233 results about "Cruciform" patented technology

A first dental drill bit for creating a particularly shaped osteotomy in human jawbones includes: a mounting shank and cutting head. The cutting head includes: four blades protruding from an axis of the bit, each blade having a thickness and being positioned 90 degrees to each adjacent blade to form a cruciform-shaped cross-section. Each of the pair of blades are positioned 90 degrees apart, and the blades of each pair are offset laterally a distance about equal to one-half of the blade thickness. Each blade has a shaped periphery that includes: a first radiused periphery; and a second radiused periphery. The first radiused periphery is shaped to form a spherical frustum-shaped socket portion when rotated about the axis of the drill bit, and includes embedded diamond particles. The second radiused periphery is shaped to form a bullet shaped socket portion when rotated about the axis of the drill bit.

A dental drill bit for creating a particularly shaped osteotomy in a human jawbone includes: a mounting shank and cutting head. The cutting head includes: four blades protruding away from an axis of the drill bit, each blade having a thickness and being positioned 90 degrees to each adjacent blade to form a cruciform-shaped cross-section, with two pairs of the blades each positioned 180 degrees apart. Each of the pair of blades positioned 180 degrees apart are offset laterally a distance about equal to the blade thickness, and each blade has a shaped periphery that includes: a first radiused periphery; and a second radiused periphery. The first radiused periphery is shaped to form a hemisphere frustum-shaped socket portion when rotated about the axis of the drill bit, and the second radiused periphery is shaped to form a bullet shaped socket portion when rotated about the axis of the drill bit.

The present application provides a clamping apparatus for a planar biaxial loading test for a composite material. The composite material is made into a test piece in the shape of a regular octagon. The clamping apparatus comprises a clamping mechanism used for fixedly clamping the test piece in a loading plane, cross-shaped reinforcing pieces, and destabilization-preventing press plates. The clamping mechanism comprises four pairs of clamping arms which are mutually spaced apart and are respectively arranged on four sides of the test piece. Four legs of each cross-shaped reinforcing piece respectively extend towards sides of the test piece not provided with the clamping arms, and a through hole is formed in the center of each cross-shaped reinforcing piece. The clamping apparatus further comprises a first destabilization-preventing press plate and a second destabilization preventing-press plate detachably arranged on opposite surfaces of each pair of clamping arms, and each pair of clamping arms grips the test piece, two cross-shaped reinforcing pieces respectively arranged on an upper surface and a lower surface of the test piece, the first destabilization-preventing press plate, and the second destabilization-preventing press plate therebetween. The present application further relates to a method for carrying out a planar biaxial loading test by using the clamping apparatus.

The invention provides a perforated cross plate grouting connection node and a connection method, and relates to the technical field of construction engineering, a concrete filled steel tube upper column and a concrete filled steel tube lower column are connected through a connecting piece, an upper accommodating cabin of the concrete filled steel tube upper column is provided with a first independent space, and a lower accommodating cabin of the concrete filled steel tube lower column is provided with a second independent space; the connecting piece comprises a horizontal connecting plate, the upper plate face and the lower plate face of the horizontal connecting plate are provided with a second cross-shaped plate and a third cross-shaped plate respectively, and through holes are evenly formed in the plate faces of the second cross-shaped plate and the third cross-shaped plate; each second cross-shaped plate is correspondingly matched with the position size of each first independent space, and each third cross-shaped plate is correspondingly matched with the position size of each third independent space; a large amount of shear key welding work can be avoided, the technical requirement is low, the working efficiency is improved, the joint rigidity and bearing capacity are improved, and the connecting performance is improved.

To provide a cruciform tensile specimen with slits, when a biaxial tensile test is performed, capable of preventing fracture by reinforcing arms, and manufacturing method of the cruciform tensile specimen with the slits.SOLUTION: A cruciform tensile specimen 1 with slits comprising a square measurement part 3, and arms 5 extending from four sides of the measurement part 3 in a direction of applying a tensile load to the measurement part 3 and including a plurality of slits 7 formed parallel to the extending direction, is used for a biaxial tensile test for applying the tensile load in two orthogonal directions to the measurement part 3 via the four arms 5 to acquire a stress-strain relation under biaxial stress. The cruciform tensile specimen 1 with the slits comprises reinforcing materials 11 joined to cover the respective arms 5 and reinforcing the arms 5, where the reinforcing materials 11 are longer than at least the slits 7 in the direction applying the tensile load in the arms 5, and formed not to close the slits 7 by covering the arms 5.SELECTED DRAWING: Figure 1

The utility model discloses a concrete construction abutted seam fixing device which is clamped on a formwork and comprises a connecting structure and a lock catch structure, the connecting structure is inserted into the formwork and used for being connected with other formworks, the lock catch structure is arranged on the connecting structure and used for being fixed when the connecting structure is inserted into the formwork, and the lock catch structure is connected with the formwork. The connecting structure at least comprises the following three shapes: a cross shape, a linear shape and an L shape, so that three connecting modes can be provided according to the requirement of the template. According to the concrete construction abutted seam fixing device, the formworks need to be inserted into the connecting structures, the formworks are fixed through the lock catch structures, and the situation that gaps are generated in the connecting position of the two formworks can be eradicated, so that the quality problems that the formworks are not tightly spliced and exceed standard allowable deviation, and grout leakage, slab staggering and the like are extremely likely to be caused after concrete pouring are completed are eradicated.

A staple driving tool that is dumbbell shaped having a first end, a second end, and a handle intermediate the first and second ends. The first end includes a staple receiving slot. The slot includes a concealed or recessed magnet to secure the staple within the slot for driving the staple into a support (i.e., a fence post). The second end has a flat surface for striking with a hammer to drive the staple into the post. The staple driving tool is generally symmetrical along a first axis, with the first and second end having a larger circumference than the handle. Alternatively, the staple receiving slot may be a cruciform slot. The cruciform slot has a first slot having a first length and a second slot having a second length, where the first slot is perpendicular to the second slot, and the first length is greater than the second length.

The utility model discloses a green building insulation board which comprises a cross-shaped positioning board, first insulation boards are connected to the two sides of the upper portion of the cross-shaped positioning board respectively, and second insulation boards are connected to the two sides of the lower portion of the cross-shaped positioning board respectively. Edge pressing discs are arranged at the left side corner of the top of the first heat preservation plate on the left side, the left side corner of the bottom of the second heat preservation plate on the left side, the right side corner of the top of the first heat preservation plate on the right side and the right side corner of the bottom of the second heat preservation plate on the right side correspondingly, so that the heat preservation and weather resistance of the cross-shaped positioning plate are further improved; the situation that the heat preservation effect is not comprehensive due to the arrangement of the cross-shaped positioning plate is avoided, the situation that the edges of the connecting positions of the heat preservation plates are warped is avoided through installation of the edge pressing discs, the overall protection effect of the heat preservation plates is effectively improved, the service life of the heat preservation plates is effectively prolonged, and the heat preservation effect is improved while the heat preservation plate body is protected and prevented from being damaged through the facing frame. And the overall attractiveness of the insulation board can be improved.

The formwork assembly comprises a column formwork sleeve and a plurality of sets of cross-shaped formwork tie frames fixedly arranged in the column formwork sleeve, and the height positions of the cross-shaped formwork tie frames correspond to the arrangement positions of tie bars of a to-be-constructed secondary structure masonry wall around a frame column. The cross-shaped template tie frame is used for providing a mounting position for tie bars after the template is removed; by the adoption of the formwork assembly for frame column pouring, the construction quality of the frame column can be guaranteed, flying dust pollution is reduced, and meanwhile the construction efficiency and the construction quality of secondary structure masonry wall tie bars around the frame column can be improved.

Embodiments of the present disclosure relate generally to medical devices, and more particularly to controlled flush syringe assembly for controlled flushing of fluid The flush syringe assembly features barrel with chamber for holding fluid. The barrel has finger grips with grooves at proximal end and circular protrusion element beneath them. A flat ring, equipped with radial grips, is rotatably coupled between circular protrusion element and finger grips. The assembly also includes stopper ring with butterfly-shaped aperture, pulsing elements, grooves, and locking notch. A plunger rod, extending through stopper ring, has stopper pulsing elements on opposite walls of its cruciform-shaped body. The plunger rod enables controlled flushing of fluid by contacting pulsing elements in stopper ring. This contact occurs through alternating rotations of plunger rod in clockwise and counterclockwise direction. Flat ring and finger grip provide resistance between plunger rod and user's fingers during simultaneous rotation of plunger rod.

The utility model relates to the technical field of water permeable bricks, in particular to a water permeable brick for sponge city roads, which comprises a brick body, limiting clamping blocks and right-angle clamping grooves, the whole brick body is of a square structure, and two groups of separated limiting clamping blocks are arranged at the centers of the front side face and the rear side face of the brick body. Right-angle clamping grooves matched with the limiting clamping blocks are formed in the four corners of the brick body correspondingly, a flow guide groove of a cross-shaped structure is formed in the upper surface of the brick body, and a plurality of sets of water permeable holes penetrating through the brick body are evenly formed in the bottom of the flow guide groove. Through the design of the limiting clamping blocks and the right-angle clamping grooves, the water permeable bricks can be quickly and accurately clamped in the laying process, complex measurement and alignment are not needed, the construction complexity is reduced, the laying speed is greatly increased, the construction time and the labor cost are saved, the laying area of a single brick is increased through the square structure of the water permeable bricks, and the construction efficiency is improved. And the laying efficiency is improved.

The utility model belongs to the technical field of concrete pre-stressed plates, and discloses a honeycomb grid type heat preservation composite GRC concrete pre-stressed plate which comprises a pre-stressed plate body, side ribs are arranged on the edge of the bottom end of the pre-stressed plate body, and a cross-shaped middle rib is arranged in the middle of the bottom end of the pre-stressed plate body. A plurality of small ribs are vertically arranged at the bottom end of the prestressed plate body in a staggered mode, a plurality of positioning blocks are installed on the two sides, perpendicular to each other, of the prestressed plate body, a plurality of positioning grooves are formed in the other two sides of the prestressed plate body, installation grooves are formed in the four corners of the top end of the prestressed plate body, and hanging rings are rotatably installed in the installation grooves. Reinforcing ribs are arranged in the prestressed plate body, a honeycomb layer is arranged at the top ends of the reinforcing ribs, a heat preservation layer is arranged at the top end of the honeycomb layer, and a waterproof layer is arranged on the surface of the prestressed plate body. According to the device, the two prestressed plate bodies can be quickly aligned during installation, the hanging rings are retracted after installation is completed, and the working efficiency during installation and the overall attractiveness after installation are improved.

1. Name of the product in this design: Concrete formwork support node (early removable cross-shaped side plate connection type). 2. Purpose of this design: To support formwork during concrete pouring. 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.

A resonator apparatus, a filter apparatus as well as a radio frequency and microwave device are disclosed. According to an embodiment, the resonator apparatus comprises an electrically conductive case and a dual-mode dielectric resonator provided in the electrically conductive case. The dual-mode dielectric resonator comprises a first dielectric block having a shape of a columnar body whose cross section is a cruciform. A mode coupling structure for coupling two resonant modes of the dual-mode dielectric resonator is provided in the columnar body. A bottom face of the columnar body is supported by an inner face of the electrically conductive case or by a supporting member provided on the inner face of the electrically conductive case. In at least one extending direction of a first extending direction and a second extending direction of the cruciform which are perpendicular to each other, lateral end faces of the columnar body are spaced apart from inner faces of the electrically conductive case.

The invention discloses a building ganged brick outer wall protection repairing and reinforcing structure and method.The building ganged brick outer wall protection repairing and reinforcing structure comprises a wall body, the front face and the back face of the wall body are each provided with an opposite supporting pile, the supporting piles are tightly attached to the wall body, and the opposite side faces of the two supporting piles are provided with a plurality of transverse plate clamping grooves with the side faces open at equal intervals from top to bottom; a transverse plate is installed on the transverse plate clamping grooves, the transverse plate and the supporting piles are arranged in a cross shape, the transverse plate is tightly attached to the wall body, a connecting plate stretching across the wall body is arranged between the tops of the two supporting piles, and the connecting plate is fixedly connected with the supporting piles; the wall body is reinforced and supported through the two opposite supporting piles arranged on the front face and the back face of the wall body, the supporting piles are driven into soil manually or through a machine to be fixed, and in order to enlarge the action range of the supporting piles, the multiple transverse plates staggered with the supporting piles in a cross shape are arranged on the supporting piles; and the connecting plate is used for connecting the two supporting piles into a whole, so that the reinforcing and supporting effects of the supporting piles are enhanced.

A transport system for conveying a plastic tray for transporting and unloading goods is described, wherein the plastic tray has a bottom, a frame and openings with a cruciform cross-section in the bottom for the reach-through of lifting pins of the transport system, and wherein the transport system has a conveyor belt and an unloading station with lifting pins. The lifting pins have a cruciform cross-section, which is complementary to the cruciform openings of the plastic tray.

The invention discloses a building component of a cross-shaped special-shaped structure and a mounting method thereof. The building component comprises a central supporting mechanism, and the central supporting mechanism comprises a square pipe; and the reinforcing mechanism is fixedly arranged on the surface of the center supporting mechanism in a sleeving mode, the reinforcing mechanism comprises an installation sleeve arranged on the surface of the square pipe in a sleeving mode, fixing plates are fixedly connected to the four corners of the surface of the installation sleeve, welding blocks are fixedly connected to the surfaces of the fixing plates, and traction pieces are fixedly connected to one sides of the welding blocks. The invention aims to solve the technical problems that when an existing cross-shaped building component forms a steel structure column, flexible adjustment is not convenient to carry out according to different building requirements and load conditions, the diameter of the steel structure column is easily too large or too small, and the internal space and bearing requirements of a building are difficult to meet.

A candle holder assembly includes a support panel has a pair of arms each extending in opposing directions from central member such that the support panel defines a cross shape. Each of the arms is offset from a middle of the central member such that the support panel defines a crucifix to facilitate the ornamental celebration of religious holidays. A base is attached to the support panel thereby facilitating the base to support the support panel in a vertical orientation with respect to a support surface. A plurality of holders is provided and each of the holders is attachable to the support panel to support an object for the purposes of an ornamental display. A light strip is positionable to extend around the support panel to enhance the ornamental appeal of the support panel.

The utility model discloses a protective fence for constructional engineering, and relates to the technical field of safety protection of constructional engineering, the protective fence comprises a rectangular frame, grooves are formed in the inner walls of the four sides of the rectangular frame, baffles are arranged in the four grooves, second sliding grooves are formed in the four side parts of the baffles, and the second sliding grooves are arranged in the second sliding grooves. Cross-shaped rods are fixedly installed on the inner walls of the four sides of the rectangular frame, and limiting mechanisms are installed on the side portions of the cross-shaped rods. When the device is used, the device is fixed on the ground through the first fixing plate and the second fixing plate, then the first connecting plate of another device is connected with the second connecting plate of the device, splicing of a plurality of devices can be achieved, if the device needs to be rotated by a certain angle, the second connecting plate of the device is rotated, and when the baffle needs to be replaced, the device can be conveniently replaced. The rotating disc is rotated to enable the four limiting blocks to move, fixing of the baffle can be relieved, and after the baffle is replaced, the baffle can be rapidly fixed in four directions by reversely rotating the rotating disc.

The utility model belongs to the technical field of carrying devices, and particularly relates to a device for carrying a large pressure vessel, a horizontal beam of a first portal frame is erected above a horizontal beam of a second portal frame, and the first portal frame and the second portal frame are arranged in a cross shape; the bottoms of the vertical beams of the first portal frame and the second portal frame are located on the same plane, and the first portal frame and the second portal frame are connected through a portal frame connecting mechanism. The first portal frame and the second portal frame can support each other, so that the weighing capacity of the whole device is improved. And moreover, the whole device is arranged in a cross shape, the position for hoisting the heavy object is arranged in the center of the cross shape, the whole device is balanced in stress and very good in stability, and toppling caused by too heavy heavy objects is avoided. And a plurality of inclined supporting mechanisms are arranged, so that the vertical beam and the horizontal beam can be supported at the same time, damage such as local fracture of the device caused by uneven stress and the like is prevented, and the service life of the whole device is prolonged.

The utility model discloses an internal corner buckling strip for a fabricated building and the fabricated building, and belongs to the technical field of buildings, the internal corner buckling strip comprises a strip-shaped piece which is formed by two strip-shaped plates which are staggered and combined with each other, the cross section of the strip-shaped piece is in a cross shape, and each strip-shaped plate is composed of a front end part and a tail end part; a matching plate is arranged on the outer side of the tail end part; and the matching plate is combined with the front end part of the other opposite strip-shaped plate to form a clamping groove for clamping a wall panel. The internal corner buckling strip is used for solving the problems in the background technology, after the internal corner buckling strip is adopted, clamping connection of wall panels at the internal corner of a wall can be rapidly achieved, the clamping connection sealing performance is good, and installation is firm after the internal corner buckling strip is combined with concrete.

The utility model discloses a variable cross-section combined through-height column for an open building, which belongs to the technical field of constructional engineering and comprises a lower steel reinforced concrete column connected with an upper concrete filled steel tubular column. The lower steel reinforced concrete column comprises a main body steel reinforced concrete column and a circular composite column; the upper concrete-filled steel tubular column comprises a main concrete-filled steel tubular column and a square composite column; the circular composite column comprises concrete, a square steel tube is arranged in the concrete, a cross-shaped web is connected in the square steel tube, and the cross-shaped web is connected with a square steel core column. The square composite column comprises a square steel tube, concrete is arranged in the square steel tube, a cross-shaped web plate is connected in the square steel tube, and the cross-shaped web plate is connected with a square steel core column. The steel reinforced concrete column is adopted on the lower portion of the through-height column, site construction is facilitated, steel bar binding is reduced, the column section is reduced, and the material cost can be controlled. And the upper part adopts the concrete filled steel tubular column with the reduced section, so that formwork erecting is not needed, the high formwork erecting measure cost is saved, and part of material cost is also saved.

The application relates to the technical field of a jack-up platform, and discloses a fixed pile room of a cross-shaped lifting system of a jack-up platform, which comprises a surrounding wall, a working space of the fixed pile room is formed in the surrounding wall, a top plate is arranged at the top of the surrounding wall and connected to the surrounding wall, a ventilation lifting hole is formed in the top plate, a ventilation cover is arranged at the ventilation lifting hole, a box-type fixed pile structure is fixedly connected to the inner top of the surrounding wall, and a pile leg is arranged in the working space and connected to the center of the box-type fixed pile structure. When the fixed pile room is installed, the ventilation lifting hole is used for lifting the fixed pile room, and when the jack-up platform works, the ventilation lifting hole is used for ventilation in the room. The ventilation lifting hole and the ventilation cover are matched, the ventilation lifting hole has the functions of equipment lifting and natural ventilation, the hatch cover does not need to be frequently opened and closed during operation, rain and snow are prevented from entering, the temperature and air pressure in the fixed pile room are effectively reduced through air convection, and the working environment of maintenance personnel is obviously improved.

The utility model relates to a wood structure wood column extension joint device, which belongs to the technical field of constructional engineering and comprises a lower column, an upper column is arranged at the top of the lower column, connecting grooves are arranged on wall surfaces of close sides of the lower column and the upper column, a butt joint pipe fitting is arranged between the lower column and the upper column, and transverse steel pins are arranged on side walls of the lower column and the upper column. Two transverse steel pins are arranged between the upper column and the lower column and penetrate through the side wall of the butt joint pipe fitting, the two transverse steel pins both penetrate through the side wall of the butt joint pipe fitting, two longitudinal steel pins distributed longitudinally are arranged between the two transverse steel pins, and the two longitudinal steel pins penetrate through the side wall of the lower column and the side wall of the upper column correspondingly and also penetrate through the side wall of the butt joint pipe fitting; the two transverse steel pins and the two longitudinal steel pins penetrate through the lower column and the upper column in the cross shape and penetrate through the side wall of the butt joint pipe fitting at the same time, so that the upper end and the lower end of the butt joint pipe fitting are tightly connected with the upper column and the lower column respectively, the processes of grooving, hooping and the like of a wood structure are omitted, and the problem that an existing wood column lengthening joint is not attractive is solved.

The proposed technical solution relates to military defense structures, and more specifically, to military fortification structures used for engineering the positions of troops, checkpoints, guard outposts, border areas, and other critical facilities to ensure their effective protection and defense. A defensive fire structure comprises a body (1) assembled from blocks (2) with a cross-sectional shape corresponding to sector of a ring. The outer arc surface (3) of blocks (2) is bounded by a broken line, and congruent surfaces of blocks have cruciform projections (4) and cruciform recesses (5). At least three of said blocks (2) have through openings (6) of a stepped shape, which serve as embrasures. The defensive fire structure has a roof (7) made of elements shaped as sectors (8, 9) of a circle. Chords of sectors (8) of a circle located above the through openings (6) have length extended compared to the chord length of the other sectors (9) of the roof (7) circle. Sectors (9) of the roof (7) circle with the shorter chords rest on flat sections (12) of deflectors (10) mounted on both sides of the blocks (2) with through openings (6).

This invention provides a device for spatial positioning of steel disc components, belonging to the technical field of spatial positioning of steel disc components. The device comprises a steel disc component, square tube 1, scale, square tube 2, lead screw 1, nut 1, lead screw 2, nut 2, and steel lugs. There are four square tubes 2, each a 50mm x 20mm x 2mm rectangular structure, which intersect to form a cross-shaped assembly. There are also four square tubes 1, each a 50mm x 20mm x 2mm rectangular structure, which are vertically fixed at the four ends of the cross-shaped assembly. This invention solves the problem of existing positioning methods where, after a certain point is adjusted to its correct position, the already positioned point is moved to locate other points, resulting in a vicious cycle of repeated positioning and movement, leading to a large workload, low positioning accuracy, and poor performance in three-dimensional spatial positioning.

The utility model relates to an inner compartment wall board mechanism which comprises a compartment wall board, the compartment wall board comprises a main board body, the left end and the right end of the main board body are respectively provided with a main board body butt joint portion which is concave inwards, and the compartment wall board is detachably connected with a butt joint assembly through the main board body butt joint portions. The butt joint assembly is in an L shape or a straight line shape or a cross shape or the like. The butt joint assembly comprises a first butt joint plate and a second butt joint plate. In the implementation process, between every two adjacent compartment wall plates, the first butt joint plate is detachably connected with the main plate body butt joint part of the first compartment wall plate, and the butt joint plate is detachably connected with the main plate body or the main plate body butt joint part of the second compartment wall plate.

The utility model discloses a solid wood rapid drying device, and relates to the technical field of solid wood drying. The device comprises a base, wherein a supporting plate is fixedly matched with the upper side of the base; the device comprises a supporting plate and a plurality of cross-shaped plates arranged in the supporting plate in a sliding fit mode, placing rods are fixedly arranged on the two sides of each cross-shaped plate in a matched mode, sliding blocks are elastically arranged on the peripheral sides of the placing rods in a sliding fit mode, a sliding plate is arranged on one side of each cross-shaped plate in a sliding fit mode, and two rotating plates are arranged between each sliding plate and the corresponding sliding block in a rotating fit mode. Through the arrangement of the sliding block, the sliding block drives the pointed end to release the positioning of the supporting plate under the action of the rotating plate, so that the placement rod slides on one side of the supporting plate under the action of the cross-shaped plate, the adjustment of the position of the placement rod is completed, and the adjustment efficiency of the position of the placement rod is improved; and the process of adjusting the position of the placing rod is more convenient.