213 results about "Wedge shape" patented technology

The application discloses a pressure-bearing full-seal cable anchor head structure, which comprises a cable body, a sealing cylinder, a compression ring, a sealing layer, and a wedge-shaped sealing ring. The outer wall of the wedge-shaped sealing ring is provided with a recessed annular wedge groove, and the inner wall of the wedge-shaped sealing ring is provided with a first sealing area and a second sealing area. The first sealing area is provided with a plurality of first sealing soft teeth arranged at intervals, and the second sealing area is provided with a plurality of second sealing soft teeth arranged at intervals. The inclination directions of the first sealing soft teeth and the second sealing soft teeth are opposite. The wedge-shaped sleeve is provided with a protruding annular wedge body on the inner wall. The compression ring, the wedge-shaped sealing ring, and the sealing cylinder are sequentially sleeved outside the cable body in the axial direction, the first sealing area and the second sealing area are tightly attached to the cable body, the wedge-shaped sleeve is sleeved outside the wedge-shaped sealing ring and compresses the wedge-shaped sealing ring, and the sealing layer is located at the outermost layer and wraps the compression ring, the wedge-shaped sleeve, and the sealing cylinder. The application can bear external pressure, resist strong corrosive environment, and prolong the service life of the cable under extreme working conditions.

The present invention relates to an apparatus for producing granules, the apparatus comprising: a machine frame (1); a hollow outer column (2) supported in the machine frame and having a first axis of rotation (5); and an inner column (3) disposed in the outer column (2) and having a second axis of rotation (6), a wedge-shaped gap (4) being formed between the inner surface of the outer column (2) and the outer surface of the inner column (3), the outer column (2) and / or the inner column (3) having radial holes (16) for extruding material through, and a pivot arm (7) is provided on each side of the inner column (3), the inner column (3) being rotatably supported on the pivot arm. Each pivot arm (7) is supported on the machine frame (1) by a pivot bearing having a pivot axis (10) and is pivotable about the pivot bearing (10) by means of at least two actuators (11a, 11b, 11c).

This utility model provides a clamp for testing waterproof membrane rolls, including a lower body, an upper body, and a locking screw. The upper and lower bodies are each equipped with a detachable clamping plate, each with serrations. The upper and lower bodies each have a mounting groove, and the clamping plates have mounting portions. The upper and lower bodies also each have a mounting rod, a movable rod, and a first spring. The mounting portion has a mounting hole, and the first spring drives the mounting rod to extend into the mounting groove and pass through the mounting hole. The movable rod moves perpendicular to the mounting rod. The movable rod has a wedge-shaped portion, and the mounting rod has a sliding groove that mates with the wedge-shaped portion. When the movable rod moves, the wedge-shaped portion pushes the mounting rod away from the mounting groove and out of the mounting hole. This utility model solves the technical problem of inconvenient cleaning after adhesive substances adhere to existing clamps, resulting in the technical effect of easily removing the clamping plates for cleaning and preventing adhesive substances from affecting the stability of the clamping plates in holding the waterproof membrane.

This invention discloses a molding apparatus and method for wedge-shaped metal honeycomb core adhesive products. The molding apparatus includes a tooling plate, multiple corner supports, segmented core molds, gaskets, a primary curing and equalizing plate, and a secondary curing and equalizing plate. The segmented core molds are placed along the inner walls of the beams and ribs of the wedge-shaped metal honeycomb core adhesive product. The multiple corner supports are fixed on the tooling plate and block one side of the segmented core molds. The gaps between the segmented core molds and the beams, ribs, and corner supports are adjusted using gaskets. After the wedge-shaped metal honeycomb core adhesive parts, core molds, and corner supports are assembled, secondary curing and molding are performed using the primary and secondary curing and equalizing plates. This invention solves the problems of mismatch between the wedge-shaped metal adhesive core mold and the parts, and uneven quality of the adhesive layer. It improves the quality of the manufactured parts while simplifying the assembly process, eliminating the need for continuous cold pressing to check the fit between the skin and the beams and ribs, and saving manufacturing time and money.

This utility model provides a stop block structure for an ejector plate, relating to the field of ejector plate technology. It includes a stop block body, the bottom of which is a mounting base. A positioning plate is snapped onto the mounting base, and a stop module is magnetically connected to the top of the positioning plate. This utility model employs a bidirectional wedge-shaped slider fine-tuning mechanism, using an adjusting screw to drive the inclined slider to achieve ±0.02mm precision positioning. This ensures consistent ejector plate retraction position each time, improving the stability of workpiece machining dimensions. A hard alloy wear-resistant sheet directly contacts the ejector plate, reducing frictional wear and maintaining long-term positioning accuracy.

This utility model discloses an aluminum profile housing with a self-cleaning coating, relating to the technical field of aluminum profile housings. It includes an inner housing layer and an outer housing layer. The inner housing layer is fitted onto the inner wall of the outer housing layer. Two wedge-shaped blocks are fixedly arranged on both the upper and lower inner walls of the inner housing layer. A wedge-shaped groove is formed on the inner wall of the outer housing layer at a position corresponding to the wedge-shaped blocks. The wedge-shaped blocks engage with the corresponding wedge-shaped grooves. The outer wall of the outer housing layer is coated with a self-cleaning coating. A first annular groove is formed at the front end of the inner housing layer, and a second annular groove is formed on the front side of the outer housing layer, near the first annular groove. A limiting mechanism is provided on the inner side of the first and second annular grooves to restrict the movement of the wedge-shaped blocks. This utility model enables time-saving and labor-saving replacement of the surface layer with the self-cleaning coating when the coating wears down, without the need for recoating.

The present application relates to a kind of shape correction device and its correction method for the front cover of goods loading platform, the shape correction device includes: guide wheel assembly, fixedly installed in the inner side edge of the free end of front cover, guide wheel assembly includes rotatable guide wheel;Guide block, fixedly installed on frame and with a wedge-shaped guide surface;Wherein, the installation position of guide wheel on front cover, the installation position of guide block on frame and the orientation of wedge-shaped guide surface are configured as: in the closing process of front cover, before plug lock moves to contact with lock body, guide wheel is configured to first contact with wedge-shaped guide surface and roll along it, to correct the shape deformation displacement of front cover due to gravity acting on its free end by wedge-shaped guide surface, so that plug lock can be aligned and inserted into lock body.The present application can correct the shape deformation displacement of front cover due to gravity acting on its free end, effectively avoid the hard impact of plug lock with lock body and sensor, prolong the service life of equipment.

This utility model relates to the field of prefabricated reinforced concrete well chamber technology, and more particularly to a prefabricated reinforced concrete well chamber, including a well cylinder. The inner wall of the well cylinder has a grout inlet hole. Waterproof adhesive grooves are provided on both the upper and lower sides of the well cylinder. A sliding groove and a positioning groove are provided on the top of the well cylinder. Wedge-shaped grooves are provided on both the upper and lower sides of the inner wall of the well cylinder. A wedge-shaped block is bolted into some of the wedge-shaped grooves. A lifting lug is tightly fitted to the top of the well cylinder. A positioning column is fixedly connected to the bottom of the lifting lug. A connecting plate is fixedly connected to one side of the positioning column, and a fixing plate is fixedly connected to one side of the block. In this utility model, the connecting structure of the lifting lug facilitates its fixing. The fixing rod and slider can be removed after moving within the sliding groove without affecting the assembly of the well cylinder. The detachable lifting lug avoids the process of cutting the lifting lug, making disassembly of the lifting lug more convenient and quick, and it can also be reused.

The embodiment of the present application discloses a wedge-shaped extrusion stratum structure deformation physical simulation experiment device and experiment method. The device comprises a fan-shaped wedge-shaped block, a dovetail groove guide rail, a convex block roller, a fixed baffle and a U-shaped experiment tank. The fan-shaped wedge-shaped block is fixedly connected with the first dovetail groove guide rail plane side, and the top end of the fan-shaped wedge-shaped block is fixed on the U-shaped experiment tank. The fixed baffle is provided with the second dovetail groove guide rail which is equal in length to the first dovetail groove guide rail, and the fixed baffle is fixed on the U-shaped experiment tank. The dovetail groove guide rail comprises the first dovetail groove guide rail and the second dovetail groove guide rail. The convex block roller is provided with the convex block corresponding to the dovetail groove guide rail and the external power push rod, and is installed between the first dovetail groove guide rail and the second dovetail groove guide rail. By using the scheme, the fan-shaped wedge-shaped block is pushed by external force to wedge-shaped extrude the simulation stratum to make the stratum deform, so that the wedge-shaped extrusion stratum structure deformation process and deformation state are analyzed.

A head-mounted device may have a lens module with a tunable lens. The tunable lens may include a lens element and one or more actuators that control the shape of the lens element. The actuators may be locally controlled or globally controlled. The actuators may be globally controlled by a common shape memory alloy wire. The common shape memory alloy wire may be wrapped around a pulley system and / or routed about a suitable portion of the head-mounted device. Each actuator may include one or more wedge-shaped structures. Each actuator may include a flexure that is attached between a chassis and a lens shaping element. Each actuator may include a pivot assembly and a brake assembly.

The present application relates to a kind of in-service large-span continuous box girder spanning type wide connection structure and its construction method.The structure includes: connecting main piece, including several groove pieces, top plate and several solid blocks;And connecting secondary piece, including several wedge-shaped solid blocks, and box type piece matched with another end of several wedge-shaped solid blocks;When existing old bridge and wide new bridge occur displacement or produce deflection difference, the connecting main piece occurs vertical rotation along the center axis of spherical hinge, wedge-shaped solid block and connecting main piece occur relative displacement, so that connecting main piece and connecting secondary piece occur limited displacement.The construction method includes the following steps: installing new bridge pavement, old bridge pavement;Install support;Assemble connecting main piece, connecting secondary piece and respectively install in wide new bridge and existing old bridge.Compared with prior art, the present application eliminates the problem of traditional expansion joint that may exist at the joint position, improves the comfort of vehicle driving.

This invention belongs to the field of fastener technology, specifically relating to a grooved anti-loosening nut, comprising a nut body and a threaded hole provided on the nut body. At least one end of the nut body is provided with a wedge-shaped portion and a groove, the tip of the wedge-shaped portion being the axial end of the nut body, and at least part of the groove being located at the end of the wedge-shaped portion. The grooved anti-loosening nut provided in this application utilizes the synergistic effect of the wedge-shaped portion and the groove. The tip of the wedge-shaped portion first contacts the surface of the fastener, generating a strong radial engagement force under axial pressure. Simultaneously, the surface material of the fastener undergoes plastic deformation under extrusion pressure and embeds into the groove located at the end of the wedge-shaped portion, forming a reliable mechanical locking barrier. This effectively prevents the nut from rotating and loosening due to vibration, significantly improving the reliability of anti-loosening. Furthermore, it has a simple structure, requires no additional accessories, and is easy to install and disassemble, while maintaining the versatility of the nut, suitable for fastening needs under various vibration conditions.

A carnival pantyhose for Caribbean and Brazilian carnival costumes that includes two leg portions joined at a high-rising waistband, which defines front and rear wedge-shaped cut-outs extending toward the perineal region, and two wedge-shaped lateral portions extending above the hips to a position at or just below the inframammary region. Each wedge-shaped lateral portion terminates in an opening that allows a strip of the carnival costume to pass through, enabling removable attachment without sewing, stitching, fasteners, or modification of the carnival costume. The carnival pantyhose spans the outer side of the legs, hips, and lateral sides of the upper torso while leaving the front and rear torso areas corresponding to the cut-outs uncovered, preserving carnival costume aesthetics. Made of stretchable material, it conforms to varied body shapes and maintains positional stability. Optional fasteners, such as safety pins, may reinforce attachment to the carnival costume.

The utility model discloses a kind of goods fastening devices for truck, including baffle and carriage, the bottom surface of the carriage is symmetrically provided with placing groove, the bottom of the placing groove is connected wedge-shaped sliding groove;The side of the baffle is symmetrically welded and fixed with telescopic steel pipe column, the bottom of the telescopic steel pipe column is connected with wedge-shaped sliding block;The bottom of the telescopic steel pipe column is inserted into placing groove, the wedge-shaped sliding block and wedge-shaped sliding groove sliding cooperation;The side edge of the baffle is provided with screw hole, the both side walls of the carriage are equipped with the mounting hole corresponding with screw hole, second bolt is penetrated mounting hole and inserted into screw hole.The utility model has the advantages of partition adjustment, prevent displacement accumulation, can be freely moved to any position of carriage, adapt to different goods size partition requirement.

The utility model discloses a kind of reverse ridge embedded fence mounting structures, including reverse ridge main body, fence main body and movable rod, the top of reverse ridge main body is fixedly provided with channel steel strip along its length direction, the bottom of one inner side wall in channel steel strip is fixedly connected with the base of wedge shape, fence main body includes installation rod and two vertical pipes, installation rod is set in channel steel strip, movable rod is set in channel steel strip and is set in installation rod near base side, the bottom of movable rod near base side is provided with inclined surface matched with base, the top of base is screw-inserted with bolt, the top of bolt has bolt cap, bolt cap can push movable rod and move downward along the inclined surface of base. Through the above setting, it can be inserted bolt on the top of base, and the fence main body is fixed, the operation in construction site is simplified, and the construction efficiency is improved.

The application belongs to the technical field of bridge engineering, and discloses a variable-angle self-locking reinforced tunnel type anchorage structure and a construction method, which comprises an anchor plug channel arranged in the mountain surrounding rock and a concrete anchor plug arranged in the anchor plug channel; the concrete anchor plug is divided into at least two sections along the longitudinal axis of the anchor plug channel, and comprises a first anchor plug section close to the direction of the hole and a second anchor plug section away from the direction of the hole; the first anchor plug section and the second anchor plug section are both wedge-shaped bodies, the cross-sectional size of the side surface of the first anchor plug section and the second anchor plug section is linearly increased according to a fixed expansion angle, the expansion angle of the first anchor plug section is a first expansion angle β1, the expansion angle of the second anchor plug section is a second expansion angle β2, the first expansion angle β1 is smaller than the second expansion angle β2, and the concrete anchor plug is a variable-angle wedge-shaped structure. The application has the technical effects of maintaining the stability of the hole surrounding rock, reducing the supporting difficulty and construction risk, and improving the ultimate uplift bearing capacity of the anchorage.

The invention discloses a method for manufacturing an original mold of a laminated total prism reflecting material, which comprises the following steps of: laminating metal sheets and clamping the metal sheets on an inclined surface of a wedge-shaped clamp by using the wedge-shaped clamp, keeping a planing path of a horizontal plane by using a V-shaped cutter, and planing the metal sheets in two mutually vertical directions to form a total prism pyramid array structure. By means of the device, the planing workload is reduced, the production efficiency is improved, the metal sheets are clamped and kept consistent, and operation errors caused by repositioning and tool setting due to overturning of the metal sheets are avoided. And meanwhile, planing is conducted on the horizontal plane, step lines are avoided, the number of burrs on the planed surface is small, the cleanliness is high, the machining quality of the pyramid surface is improved, the stability of the cutter is higher, and abrasion of the cutter is reduced.

This utility model discloses a grounding flat iron bending device, including a workbench and a bending drive and a clamping assembly located on the workbench. The clamping assembly has a first clamping end and a second clamping end arranged opposite to each other. The first clamping end has a first wedge-shaped surface facing the second clamping end, and the second clamping end has a second wedge-shaped surface that is opposite to and adapted to the first wedge-shaped surface. The bending drive is connected to the clamping assembly and can drive the first clamping end and the second clamping end to clamp the grounding flat iron. This utility model utilizes the first and second clamping ends of the clamping assembly to clamp the grounding flat iron. With the cooperation of the first and second wedge-shaped surfaces, the grounding flat iron can be accurately and stably bent at a specific angle, avoiding deviations, while reducing the labor intensity of on-site operations and improving construction quality and efficiency.

The invention relates to a device for conveying liquid comprising a shaft (29) extending in a longitudinal direction (1) with a pump impeller (28) held thereon, comprising an electric motor (10) operable in two directions of rotation (7, 8) with a rotor (11) fixed to the shaft (29) and a stator (12) encompassing the rotor (11), comprising a hydraulic housing which provides an inlet (25) for the liquid as well as a first pressure port (21) and a second pressure port (22) for the liquid, and comprising a flow selector (30), wherein the flow selector (30) is fixed on one side in a bearing point (26) on the hydraulic housing, wherein the flow selector (30) can be moved into a first selection position and into a second selection position and back again depending on the direction of rotation, wherein the flow selector (30) provides two sealing surfaces (31, 32),wherein the flow selector (30) in the first selection position closes the first pressure port (21) with a first sealing surface (31) or in the second selection position closes the second pressure port (22) with a second sealing surface (32), and wherein the flow selector (30) preferably tapers in a wedge shape towards the bearing point (26) and provides the sealing surfaces (31, 32) on two opposing tapered surfaces.

Crankshaft simulation device, characterized in that it comprises: a generally cylindrical fixed shaft (1) having a first axial end and a second axial end, wherein a through-hole (13) extending in the axial direction of the fixed shaft (1) and passing through the fixed shaft (1) is provided; a wedge-shaped rod (3) inserted into the through-hole (13) and movable in the axial direction of the fixed shaft (1) under an external force, wherein the first end of the wedge-shaped rod (3) is extendable from the first axial end of the fixed shaft (1), wherein the second end of the wedge-shaped rod (3) is extendable from the second axial end of the fixed shaft (1), and wherein the first end of the wedge-shaped rod (3) is provided with an inclined surface (31) such that the first end of the wedge-shaped rod (3) is wedge-shaped;a support rod (14) extending from the first axial end of the fixed shaft (1) in the axial direction of the fixed shaft (1), wherein the first end of the support rod (14) is a free end and the second end (142) of the support rod (14) is attached to the first axial end of the fixed shaft (1);a generally cylindrical movable shaft (2) in which a flat through-hole (21) is provided, wherein the flat through-hole (21) extends in the axial direction of the movable shaft (2) and passes through the movable shaft (2), wherein the support rod (14) is inserted into the flat through-hole (21) so that the movable shaft (2) is supported on the support rod (14), wherein the size of the flat through-hole (21) in the radial direction of the movable shaft (2) is such that the movable shaft (2) is displaceable in the radial direction of the movable shaft (2), wherein the flat through-hole (21) is such that the first end of the wedge-shaped rod (3) can be inserted into the flat through-hole (21) before the movable shaft (2) is displaced in the radial direction of the movable shaft (2);and a spring (4), one end of which rests against the support rod (14) and the other end of which rests against the inner wall of the flat through-hole (21) of the movable shaft (2) to push the movable shaft (2) outwards in the radial direction, wherein in the non-operating state of the crankshaft simulation device the first end of the wedge-shaped rod (3) is inserted into the flat through-hole (21) and the movable shaft (2) is not displaceable in the radial direction because the movable shaft (2) is blocked by the first end of the wedge-shaped rod (3), which results in the central axis of the movable shaft (2) being substantially aligned with the central axis OO' of the fixed shaft (1), so that the crankshaft simulation device generally has the form of a straight shaft;wherein, in the operating state of the crankshaft simulation device, the first end of the wedge-shaped rod (3) is moved out of the flat through-hole (21) and retracted into the through-hole (13), and the movable shaft (2) is displaced outwards in the radial direction of the movable shaft (2) under the elastic force of the spring (4), causing the central axis of the movable shaft (2) to deviate from the central axis OO' of the fixed shaft (1), so that the crankshaft simulation device generally has the shape of a crankshaft and the movable shaft (2) can be driven by the fixed shaft (1) to rotate eccentrically.

The application discloses a self-balancing mechanism for cleaning the inner wall mud of a wire-line core drill rod, which comprises a structure-integrated shell, a lower half cleaning column rotatably connected to the upper end of the structure-integrated shell, a transmission gear two coaxially and fixedly connected to the inside of the lower half cleaning column, a stator of a hollow motor fixedly connected to the inside of the structure-integrated shell, a rotor of the hollow motor fixedly connected to the outer wall of a driving gear, a transmission gear one rotatably connected to the inside of the structure-integrated shell and engaged with the driving gear and the transmission gear two, an upper half cleaning column fixedly connected to the inner wall of the driving gear after penetrating through the lower half cleaning column and the transmission gear two, a left-hand groove extending along the axial direction of the outer wall of the upper half cleaning column, a wedge-shaped metal belt connected to the left-hand groove, a forward cleaning brush for cleaning the well wall mounted on the outer side of the wedge-shaped metal belt, a right-hand groove extending along the axial direction of the outer wall of the lower half cleaning column, a wedge-shaped metal belt connected to the right-hand groove, and a reverse cleaning brush for cleaning the well wall mounted on the outer side of the wedge-shaped metal belt.

This invention discloses an adjustable end-sealing device for a multi-diameter pipe hydraulic testing machine. The device includes a pair of opposing end plates, at least one set of wedge-shaped sealing units comprising wedge-shaped sealing blocks and caps, and a synchronous drive mechanism consisting of at least three adjusting screws and locking nuts. Tightening the locking nuts causes the two end plates to move closer together, thereby synchronously pushing all the wedge-shaped sealing blocks radially inward. The smooth inclined surfaces of the wedge-shaped sealing blocks directly compress the outer walls of pipe ends of different diameters, achieving high-pressure sealing without independent sealing rings through the deformation of the pipe itself. This invention provides a single device that can be adapted to seal various pipe diameters, offering advantages such as high versatility, reliable sealing, simple operation, robust structure, and long service life.

The invention belongs to the technical field of lifting tables, and particularly relates to a fast-assembly type lifting table frame and a fast assembly method. The device comprises two longitudinal beams arranged in parallel, a cross beam, a motor box mounted on the longitudinal beams through a first quick mounting mechanism, a lifting leg mounted on the motor box, a side wing mounted at one end of each longitudinal beam through a second quick mounting mechanism, and a supporting leg mounted at the bottom of the lifting leg through a third quick mounting mechanism; the first quick-mounting mechanism comprises an inclined baffle, a wedge-shaped locking block, a locking mechanism, a locking groove and a guide assembly. The upper end face of the inclined baffle inclines towards the motor box, and the wedge-shaped locking block adapts to a wedge-shaped space between the inclined baffle and the motor box. The inclined baffle is combined with the wedge-shaped locking block to be wedged into the inclined space between the inclined baffle and the motor box, the small-stroke pressure of the wedge-shaped locking block is converted into huge vertical pressing force and horizontal inward locking force on the motor box, and it is ensured that rigid and shake-free connection is conducted between the lifting leg and a main frame composed of the cross beam and the longitudinal beam.

The application discloses an automatic packaging and screening device for raw and cooked meatballs, which comprises a mounting frame, a screening cylinder and a collecting frame located on the inner side of the mounting frame, a connecting plate fixedly connected to the inner side of the mounting frame, and a funnel fixedly connected to the left side of the mounting frame, wherein the surface of the screening cylinder is provided with a screening assembly. The anti-blocking assembly is driven to rotate by a second motor, and the alternate meshing transmission between the residual gear and the tooth blocks on the inner side of the annular frame is combined with the sliding guidance of the wedge-shaped plate in the wedge-shaped groove of the connecting plate, so that the annular frame and the fixed knocking plate at the bottom are driven to stably and reciprocatingly move up and down, the continuously rotating screening cylinder is continuously knocked, the raw and cooked meatballs stuck in the screen holes are automatically knocked off, the online dredging of the screen holes can be completed without stopping and manual cleaning, and the problems of the screening efficiency reduction and the insufficient screening precision caused by the screen hole blockage in the raw and cooked meatball screening process are solved.

The utility model relates to a kind of processing and assembling device on motor special for medical equipment, including vertical cylindrical clamping sleeve, the bottom end of clamping sleeve is formed with flange edge, several mounting holes are formed on flange edge, several horizontal section is trapezoidal shape's convex rib on the inner wall of clamping sleeve upper portion, the middle part of convex rib is formed with wedge-shaped block-shaped slot, wedge-shaped clamping block is inserted in slot, the side of wedge-shaped clamping block close to clamping sleeve center is formed with V-shaped clamping opening, several needle rollers are inserted on the end face of the side away from clamping sleeve center, needle roller is distributed in the upper and lower parts of wedge-shaped clamping block and respectively abuts on the bottom surface of slot, and several waist type hole-shaped clearance holes are formed on wedge-shaped clamping block between needle roller, the shell of motor is effectively clamped by this processing and assembling device, the processing of connecting hole position on shell is facilitated, and the clamping of shell is convenient and fast.