33results about How to "Angle control" patented technology

The invention discloses a connecting device of a badminton ball. The connecting device comprises a flocking device which is used for connecting feathers and a badminton ball head into a whole. The flocking device further comprises a group of flocking rods and a connecting rib, wherein the flocking rods are the same with the feathers in number, the connecting rib is used for connecting the flocking rods in series, and the flocking rods and the connecting rib are integrally manufactured. Each flocking rod is provided with a flocking end and a plug-connection end, wherein each flocking end is used for flocking a feather, and each plug-connection end is used for being plugged and connected on the badminton ball head of the badminton ball.

The invention discloses a height adjustable pillow core structure which comprises an upper load bearing plate and a lower load bearing plate, wherein at least one group of support rod assembly is arranged between the upper and the lower load bearing plates; and the upper and the lower ends of each group of support rod assembly are respectively and rotatably connected with the upper and the lower load bearing plates. In the invention, the thickness of the height adjustable pillow core structure can be adjusted according to individual needs so that the pillow is more comfortable and beneficial for sleep.

The invention relates to grinding machinery, particularly relates to a special needle grinding machine for drawing die forming. According to the special needle grinding machine for drawing die forming, structures such as a main motor, a sliding plate and a dividing head are arranged; a steel needle is driven to rotate by the main motor during the grinding process; an included angle between a grinding wheel and the steel needle is adjusted by the dividing needle; the grinding wheel is driven to rotate by an auxiliary motor; the included angle between the steel needle and the grinding wheel can be accurately controlled and the steel needle accuracy is improved due to the fact that the included angle between the grinding wheel and the steel needle is adjusted by the dividing head; grinding particles are avoided from splashing to damage workers due to a protective cover and accordingly the special needle grinding machine for the drawing die forming is improved.

The invention discloses an advertisement billboard with an easy-to-adjust angle. The advertisement billboard comprises a base and a mounting shelf, the mounting shelf is fixedly connected with one endof the base, an advertisement board is fixedly connected to the upper end of the base, a leaflet is fixedly connected into the advertisement board, a first supporting foot is fixedly connected to theend, away from the advertisement board, of the mounting shelf, a supporting pillar is arranged at one side of the base, a second supporting foot and a third supporting foot are fixedly connected to the supporting pillar through a fixing clamp, the second supporting foot is rotatably connected with the first supporting foot, a ball head is rotatably connected into the first supporting foot, a cavity is formed in the end, close to the ball head, of the base, an end cover is in threaded connection with the inside of the cavity, a guide rod is fixedly connected to the ball head through a fixing board, and the end, away from the ball head, of the guide rod penetrates through the end cover and is fixedly connected with a wheel shelf. The advertisement billboard with an easy-to-adjust angle is novel in structure, the problem that an existing device is poor in applicability is solved, the advertising boards of various shapes and advertising design can be conveniently installed for use, and the applicability is high.

The invention discloses a dredging device with anti-corrosion function for marine engineering technology, which comprises a conduction mechanism, a flushing mechanism and a driving mechanism. One side of the conduction mechanism is installed with an epoxy resin coating, and the epoxy resin coating The inside of the layer is provided with a stainless steel shell, one side of the drive mechanism is installed with a hydraulic column, and the drive mechanism is located inside the stainless steel shell, and the end of the flushing mechanism away from the vertical centerline of the epoxy resin coating is installed with a limit mechanism , and the flushing mechanism is located in the middle of the epoxy coating. The marine engineering technology uses a servo motor, an inner toothed disc, a driving gear and a turntable set by a dredging device with an anti-corrosion function. The servo motor drives the turntable to rotate stably and continuously through the cooperation between the inner toothed disc and the driving gear, and the turntable is driven by a pull rod The fixed disc and the blade rotate, so that the blade can effectively open up the silt on the inner wall of the pipe to ensure smooth circulation inside the pipe.

The invention relates to an angle-controllable manual angle folding device for metal plate machining and a construction technology. The angle-controllable manual angle folding device for metal plate machining comprises a rack. The device also comprises a clamping device arranged on the rack and used for loosening and clamping the plate; a bending device comprising an overturning plate rotationally connected with the rack and an angle control instrument panel for limiting the overturning angle of an overturning plate; and a distance controller comprising a positioning part, and the positioning part is arranged to be placed between the two forming faces of the bent plate when the plate is bent so as to control the distance between the two forming faces after the plate is bent; a multi-curvature flat lock catch system plate bending device meets the bending requirement for various plate modeling designs of a multi-curvature flat lock catch system, angle positioning is accurate, the plate machining process is simple, the lock catch connecting quality is greatly improved, the machining and construction efficiency is improved, the construction cost is reduced, rapid machining and installation of plates are achieved, and the construction precision is guaranteed.

The invention relates to a training badminton racket with wind power generated electricity serving as a power source and belongs to the technical field of the application of the internet of things of a sensor. An energy storage battery and an axis acceleration sensor are installed in a racket handle hole of the bottom of a racket handle, a wind driven generator is connected with a wind power controller through an electric lead, the wind power controller is connected with the energy storage battery through a charging plug and a charging socket by electric leads, and the energy storage battery is connected with the axis acceleration sensor through an electric lead. When training is conducted, sensed moving information is converted into electric signals by the axis acceleration sensor and the electric signals are sent out by a sending antenna; the electric signals are received by an information processor through a receiving antenna; meanwhile, according to a set procedure, the electric signals are processed, the processed information is stored by the information processor and is input into a display screen, and the specific data of the force used by a player and the angle of the badminton racket in the process of badminton hitting are displayed on the display screen. Meanwhile, wind power generated electricity free of pollution is adopted to serve as the power source, so that the training badminton racket can be conveniently charged and used.

The invention discloses a height adjustable pillow core structure which comprises an upper load bearing plate and a lower load bearing plate, wherein at least one group of support rod assembly is arranged between the upper and the lower load bearing plates; and the upper and the lower ends of each group of support rod assembly are respectively and rotatably connected with the upper and the lower load bearing plates. In the invention, the thickness of the height adjustable pillow core structure can be adjusted according to individual needs so that the pillow is more comfortable and beneficial for sleep.

The invention relates to grinding machinery, particularly relates to a special needle grinding machine for drawing die forming. According to the special needle grinding machine for drawing die forming, structures such as a main motor, a sliding plate and a dividing head are arranged; a steel needle is driven to rotate by the main motor during the grinding process; an included angle between a grinding wheel and the steel needle is adjusted by the dividing needle; the grinding wheel is driven to rotate by an auxiliary motor; the included angle between the steel needle and the grinding wheel can be accurately controlled and the steel needle accuracy is improved due to the fact that the included angle between the grinding wheel and the steel needle is adjusted by the dividing head; grinding particles are avoided from splashing to damage workers due to a protective cover and accordingly the special needle grinding machine for the drawing die forming is improved.

The invention discloses an inward-concave glass and outward-convex metal plate combined fabricated curtain wall and a construction method thereof. The inward-concave glass and outward-convex metal plate combined fabricated curtain wall comprises curtain wall keel units and metal plate modeling units; and the curtain wall keel units are fixed to a main structure, each metal plate modeling unit is connected between the two corresponding horizontally-adjacent curtain wall keel units in a hung mode, and all the metal plate modeling units are arranged in the mode of protruding towards the outdoor space from a vertical face formed by all the curtain wall keel units, wherein vertical columns of every two up-down adjacent curtain wall keel units are connected through a hinge-type insert core assembly enabling the curtain wall to achieve a double curved surface effect. The inward-concave glass and outward-convex metal plate combined fabricated curtain wall is reasonable in structural design, reliable in force bearing, the site construction amount and the construction cost are reduced greatly, the good double curved surface effect can be achieved, and the controllability of the curved surface angle is good.

The downward back light module includes several light sources to emit light; arced reflecting concave mirrors, each of which has one raised first reflecting surface in the center, right and left symmetrical structures of one second reflecting surface and one third reflecting surface, in the same amount said the light sources hemi-surrounding each light source separately; one non-printed light guiding plate to guide light upwards and with several arced scattering transparent notches in the side opposite to the light sources; and one covering hood to cover and support the reflecting concave mirrors and the light guiding plate while leaving the transparent side of the light guiding plate un-covered.

The invention discloses an auxiliary adjusting device for the installation of prefabricated prefabricated stairs, relates to the technical field of building construction, and solves the problem that the existing prefabricated stairs generally use steel wire ropes for hoisting during the hoisting process, and there are certain safety hazards during hoisting. The hoisting stability is poor, and at the same time, when adjusting the inclination of the stairs, it is difficult to ensure the accuracy of the inclination angle, and the installation and operation are inconvenient, including the hoisting support frame; the lower part of the hoisting support frame is hinged at the front and back. A support rod; a set of angle adjustment drive screws are rotatably connected to the front and rear of the hoisting support frame; a set of hoisting sliding blocks are slidably connected to the left and right sides of the angle adjustment support rod. The invention has higher hoisting safety, can finely adjust the installation angle of the stairs, can precisely control the angle of the stairs, ensure that the angles on both sides of the stairs are uniform, provide good conditions for the construction of the stairs, and is simple to use and easy to operate.

The invention relates to a pipe bending machine, in particular to an intelligent pipe bending machine for building plastic pipes. The technical problem of the present invention is how to provide an intelligent pipe bender for architectural plastic pipes that is relatively labor-saving and can control the bending angle. An intelligent pipe bending machine for building plastic pipes, including a bottom plate, a pipe bending device, an angle limiting mechanism, etc.; An angle limiting mechanism is provided, and the angle limiting mechanism is connected with the pipe bending device. The present invention can bend the plastic pipe through the pipe bending device, thereby replacing the manual operation, so that people can save more effort, and the angle limiting mechanism can detect the bending angle, so that the bending angle of the plastic pipe can be effectively controlled; through The bending pipe spring guiding mechanism can facilitate people to put the bending pipe spring in a proper position; the plastic pipe can be blocked by the fixing mechanism, so as to prevent the plastic pipe from moving out of the sliding sleeve.

The invention discloses a connecting device of a badminton ball. The connecting device comprises a flocking device which is used for connecting feathers and a badminton ball head into a whole. The flocking device further comprises a group of flocking rods and a connecting rib, wherein the flocking rods are the same with the feathers in number, the connecting rib is used for connecting the flocking rods in series, and the flocking rods and the connecting rib are integrally manufactured. Each flocking rod is provided with a flocking end and a plug-connection end, wherein each flocking end is used for flocking a feather, and each plug-connection end is used for being plugged and connected on the badminton ball head of the badminton ball.

The invention discloses an auxiliary adjusting device for assembling type prefabricated stair installation, and relates to the technical field of building construction. The problems that in a hoistingprocess of an existing prefabricated stair, a steel wire rope is generally adopted for hoisting, certain potential safety hazards exist during the hoisting, the hoisting stability is poorer, and meanwhile, when inclination adjustment is conducted on the stair, the accuracy of the inclination angle is hard to guarantee, and the installation operation is convenient is solved. The auxiliary adjusting device comprises a lifting support frame, the front portion and the rear portion of the lower portion of the hoisting supporting frame are connected to angle adjusting supporting rods through hinges, the front portion and the rear portion inside the hoisting supporting frame are each rotationally connected to angle adjusting driving lead screws, and the left side and the right side of the angleadjusting supporting rods are slidably connected with hoisting sliding blocks. According to the auxiliary adjusting device for the assembling type prefabricated stair installation, the lifting safetyis higher, meanwhile, the installation angle of the stair can be finely adjusted, the angle of the stair can be accurately controlled, it is guaranteed that the angles of the two sides of the stair are uniform, better conditions are provided for stair construction, use is easy, and operation is convenient.

The invention relates to the technical field of battery production, in particular to an automatic lug angle alignment mechanism for a rewinding cell winding machine, which includes a positive electrode pressing and conveying assembly arranged adjacent to the winding needle of the winding machine, installed on the winding machine, and used It is used to compress the positive electrode sheet to feed the winding needle of the winding machine; the negative electrode compression conveying assembly is installed on the winding machine, and is used to compress the negative electrode sheet to feed the winding needle of the winding machine; and the distance between the output end of the positive electrode pressing and conveying assembly The distance of the winding needle is smaller than the distance from the output end of the negative electrode pressing and conveying assembly to the winding needle. The automatic lug angle alignment mechanism of the rewinding cell winding machine of the present invention adopts the positive electrode pressing and conveying assembly and the negative electrode pressing and conveying assembly, and performs the operation of first pressing and positioning the positive electrode sheet and the negative electrode sheet respectively, and then feeding and winding, which can Effectively control the angle formed between the positive tab and the negative tab.