185results about How to "Won't swing" patented technology

The invention discloses a roof wind-sheltering adjustable lighting ventilator, which comprises a bracket, wherein the bracket is provided with a lighting rain blocking plate, an arc-shaped wind blocking plate, an air outlet and a collecting ditch. The ventilator is characterized in that: wind-sheltering valve plates are hinged on the bracket at the upper end of the arc-shaped wind blocking plate respectively; both sides of the bracket are provided with window opening machines respectively; the window opening machines are connected with the wind-sheltering valve plates respectively; the heightof the arc-shaped wind blocking plate can be increased after the wind-sheltering valve plates are opened; the overall height of the ventilator can be lowered after the wind-sheltering valve plates are closed; and a collecting groove is formed between the arc-shaped wind blocking plate and a ventilation port. The ventilator has the advantages of simple structure, capability of realizing comprehensive adjusting function, including wind sheltering, ventilating, lighting and reducing wind load damage according to the climate environment, good ventilating, wind sheltering, lighting and sealing effects, difficulty in being damaged by wind power, long service life, wide application range, applicability to civil buildings after being provided with a protective net, capability of preventing rain, snow and dust from entering rooms and polluting the environment, high safety performance, convenience for installing and maintaining and low manufacturing cost.

The invention relates to an antenna positioning device. A screw rod is fixed at the lower end of an antenna rod, the screw rod is matched with a rotating connecting element through screw threads, a first connecting sheet and a second connecting sheet are fixed in parallel on a base, a rotating fixed element is arranged between the two connecting sheets, the rotating fixed element is in an annular structure, a screw nut is embedded on the top of the rotating fixed element, the screw nut and the screw rod are connected through screw threads, the middle of the rotating connecting element is positioned in the rotating fixed element, both ends of the rotating connecting element are provided with assembling steps, each assembling step extends into assembling holes formed on the corresponding connecting sheets, positioning lug bosses are arranged on the assembling steps of the rotating connecting element, and the positioning lug bosses are clamped into positioning grooves formed on the connecting sheets. The inclination angle of the antenna rod can be regulated as required, the regulation is convenient, the operation is simple, and in addition, the antenna rod has reliable positioning at a certain inclination angle without swinging. The invention simplifies the structure, simultaneously and effectively reduces the cost, and has the advantages of compact structure, easy installation, antitheft and disconnection prevention effects and reliable use.

The invention discloses an auxiliary device for installation of a steel structure. The auxiliary device comprises a fixing frame, the fixing frame is of the U-shaped structure, bolts are correspondingly and rotatably connected to the two sides of the fixing frame in a penetrating mode, fixing plates are arranged on the sides, close to the inner side of the fixing frame, of the bolts, first connecting plates are arranged at the upper ends of the bolts, the first connecting plates are fixedly connected with the fixing frame, rotating shafts are arranged on the first connecting plates in a penetrating mode, and are connected with second connecting plates, the other ends of the second connecting plates are provided with guide rollers, and two second connecting plates are locked with each otherby connecting a fixing rod. According to the auxiliary device, when the steel structure is butted, the steel structure lifted by a crane can absorbs the auxiliary device by a strong magnet, then theauxiliary device is pulled to the position of the steel structure fixed by the fixing frame by a pull rod, abutting is conducted, the dangerous operation of dragging the steel structure in the artificial high attitude is avoided, the steel structure cannot swing during connecting, and the connection is fast and easy.

The invention discloses an LED (light-emitting diode) chip cutting cutter with a novel structure and an LED chip cutting method, which belong to the field of semiconductor device processing. The LED chip cutting cutter comprises a flange plate and a blade, wherein the flange plate is shaped like a disk, the center of the flange plate is provided with a flange bulge, the edge is provided with a flange transition, and the center of the flange bulge is provided with a mounting hole; the blade is shaped like a ring, and is fixed at the outer edge of the flange transition. The LED chip cutting cutter is highly stable under the condition of high-speed rotation, and is convenient to mount and dismount. By taking the cutting cutter as a cutting tool, the cutting method can be adopted to directly cut out chips with a trapeziform structure, cutting time is shortened, cutting efficiency is increased, and the cut chips are not damaged, and are high in luminous efficiency.

The invention relates to a sample pull stress corrosion tester comprising a bracket, a corrosion cup, weights, an upper traction rod and a lower traction rod. The sample pull stress corrosion tester is characterized in that the bracket comprises a transverse beam; the upper end of the upper traction rod is connected with the transverse beam and the lower end of the upper traction rod is connected with a sample; the upper end of the lower traction rod is fixedly connected with the bottom end of the corrosion cup and the lower end of the lower traction rod is provided with a weight base; the weights are stacked on the weight base; and a sample clamping device is arranged at the bottom of the corrosion cup. The upper part of the corrosion cup is further provided with safety ropes which are fixedly connected with the transverse beam. The sample pull stress corrosion tester has the beneficial effects that the structure is simple; detected data is accurate and reliable; and different alloy samples can be adjusted by the weights and the utilization is convenient.

The invention discloses a tire protection cover spin-edge machine which comprises a rack, wherein a spin-edge moving mechanism is arranged on the rack. A sliding fixing block is arranged on an execution part of the spin-edge moving mechanism, and a rotating shaft and a swing-arm drive motor are arranged on the sliding fixing block. An output shaft of the swing-arm drive motor is connected with the rotating shaft, and a spin-edge mechanism is arranged on the rotating shaft. The spin-edge mechanism is provided with a swing arm, and an internal pressure wheel and a spin-edge gear ring are arranged on the swing arm. A moving seat is arranged on the outer periphery of the spin-edge gear ring in movable mode, and the moving seat can move along the spin-edge gear ring. A drive motor is arranged on the moving seat, and a rotating gear wheel is arranged on an output shaft of the drive motor. The rotating gear wheel is in mesh connection with the spin-edge gear ring, and a spin-edge actuator is arranged on the moving seat. An external pressure wheel is arranged on an output shaft of the spin-edge actuator, and the external pressure wheel and the internal pressure wheel are arranged side by side. The tire protection cover spin-edge machine can replace the manpower to proceed with edgefold handling. The tire protection cover spin-edge machine has the advantages of greatly improving the production efficiency, guaranteeing the processing quality, lowering the rejection rate, and finally achieving the aim of greatly reducing cost.

The invention relates to a rapid test sample tensile stress corrosion tester which comprises a corrosive cup and a corrosive liquid timing stirring device, wherein the corrosive liquid timing stirring device comprises a main air tube which is inserted into the corrosive cup, branch air tubes connected with the main air tube and an air pump connected with the main air tube; the tester further comprises a bracket, weights, an upper traction rod and a lower traction rod, wherein the bracket comprises a transverse beam; the upper end of the upper traction rod is connected with the transverse beam; the lower end of the upper traction rod is connected with a test sample; the upper end of the lower traction rod is fixedly connected with the bottom end of the corrosive cup; a weight base is arranged at the lower end of the lower traction rod; the weights are stacked on the weight base; a safety rope which is fixedly connected with the transverse beam is further arranged at the upper part of the corrosive cup; and the tester further comprises a test sample breakage timing alarm device. The tester has the beneficial effects that the structure is simple, the detection data are accurate and reliable, and different alloy test samples can be adjusted by the weights, with convenience in use.

The invention aims to solve the problem that lamp boxes are prone to deformation and even loosening connection with walls when encountering wind and provides a stable advertising lamp box which comprises a lamp box body. The lamp box body comprises a frame mounted on a wall and a lamp mounted on the frame, the lamp comprises a plurality of sets of lamp blocks, each set of the lamp blocks include amain lamp block and an auxiliary lamp block, a lighting lamp is arranged in each main lamp block which is fixedly connected with the frame, and each auxiliary lamp block is hinged to the corresponding main lamp block and can swing along the same; a through hole is formed in each main lamp block, a U-shaped airbag with two ends contacting with the corresponding auxiliary lamp block is penetratingly arranged in each through hole, a front-end air inlet and a rear-end air inlet are arranged in the main lamp block, each U-shaped airbag is divided into a front-end airbag and a rear-end airbag by awind membrane, each front-end airbag is communicated with the corresponding rear-end air inlet through a rear-end inflation pipe, and each rear-end airbag is communicated with the corresponding front-end air inlet through a front-end inflation pipe.

The invention discloses a cleaning machine which comprises a cleaning head, a brush head, a cleaning rod, a miniature motor and a miniature water pump, wherein the cleaning head is positioned at one end of the cleaning rod, a miniature motor is arranged in the cleaning head and is a dual-shaft motor, and the miniature motor is provided with a first motor shaft and a second motor shaft; the brush head is fixedly arranged at one side of the cleaning head, and the brush head is fixedly provided with wools; the other side of the cleaning head is fixedly provided with the miniature water pump, the first motor shaft of the miniature motor drives the brush head to rotate, and the second motor shaft drives the miniature water pump to work; the interior of the cleaning rod is provided with a power transmission line and a water inlet pipe, the first end of the power transmission line is connected with the miniature motor, and the tail end of the power transmission line is connected with a power supply; one end of the water inlet pipe is connected with a water source, the other end of the water inlet pipe is connected with a water inlet of the miniature water pump, a water outlet of the miniature water pump is connected with a water outlet pipe, and an outlet of the water outlet pipe is arranged near the brush head. The cleaning machine has the advantages that the area, which cannot be cleaned under normal condition, is cleaned; by arranging the miniature water pump, the water or the water mixed with cleaning agent is sprayed to the brush wools, so the area can be cleaned, and the dust lifting is avoided.

The present invention belongs to the field of hydrological observation technology, in the concrete, it is an anchoring equipment of water environment automatic observation system for long-period automatic observation in set accurate place of some water area. Said anchoring equipment is characterized by that the lower end of main steel wire rope is equipped with weight sunken down into the water bottom, and placed in position-fixed place, the upper end of said main steel wire rope is fastened and fixed on the platform by means of electric winch, and stretched and fixed on the platform by means of obliquely-pulling steel wire rope, pulley and electric winch, and the main steel wire rope is pulled into perpendicular line by means of weight and pulley, and is positioned perpendicularly to sea bottom in the sea level which has a certain distance from the platform, and the observation system box is fixed in the proper position on the main steel wire rope.

The invention provides an improved EMD algorithm based on polynomial, which comprises the following steps: 1, selecting a window with the start point of the signal as the center point, and carrying out polynomial fitting on the signal value in the window; 2, taking the center point of the window as an average point to construct a discrete Gaussian signal; 3, multiplying that fitting sequence valuein the window and the correspond Gaussian signal value and summing to obtain the denoising value of the center signal point of the window; 4, sliding the window in steps of 1; repeating Step 1-3, completing denoising of all signal points of that signal; 5, Empirical mode decomposition being performed on the de-noised signal to obtain a reconstructed signal. The invention improves the traditionalEMD algorithm, decomposes the EEG signal with the algorithm of the invention, obtains the intrinsic mode function signal with relatively concentrated frequency, distinguishes the intrinsic mode function of each frequency band, greatly suppresses the problem of the end effect when decomposing, and improves the problem of the mode aliasing at the same time.

The invention discloses a connection structure for wheel shaft assemblies for an angle sensor of a wireless inclinometer and a sleeve. An upper wheel shaft assembly (A) is disposed right above a lower wheel shaft assembly (B). The upper wheel shaft assembly and the lower wheel shaft assembly are in the same structure. All the wheel shaft assemblies comprise wheel shafts (1). Elongated through holes (1a) are formed in shaft bodies of the wheel shafts (1) and internally provided with a wheel carrier (2). Two ends of the wheel carrier (2) stretch out of the peripheral side wall of each wheel shaft (1). End portions at two ends of the wheel carrier (2) are provided with rollers (3). A sleeve (7) is arranged between the upper wheel shaft assembly (A) and the lower wheel shaft assembly (B). The end opening of the sleeve (7) enables an end head of a corresponding wheel shaft (1) to be sleeved and fixed. The connection structure for the wheel shaft assemblies for the angle sensor of the wireless inclinometer and the sleeve has following beneficial effects: the connection structure is few in component, simple and compact in structure, small in size, convenient in assembly, fine in connection firmness and low in cost; the rollers rotate flexibility and do not oscillate; and the angle sensor can move more smoothly and reliably.

The invention discloses hoisting equipment which comprises a supporting frame, a hoisting device, a grabbing device and a moving device. The supporting frame is a supporting main body of the hoisting equipment. The hoisting device is mounted on the upper portion of the supporting frame and acts on a hoisting material, so that the hoisting material is smoothly hoisted to a required height. The grabbing device is located on the lower portion of the supporting frame to adapt to the effect of limiting of the high hoisting material, and the situation that swinging of the hoisting material during hoisting affects the hoisting effect can be prevented. The moving device is also located on the lower portion of the supporting frame to cooperate with the grabbing device, so that the purpose of upward moving of the grabbing device is achieved. Through the hoisting equipment provided by the invention, specific functions can be achieved. The hoisting equipment provided by the invention has the functions of adapting to the high hoisting material and smoothly hoisting the hoisting material to a certain height through cooperation of the hoisting device and the grabbing device.

The invention belongs to cable-stayed bridge field and relates to a cable-stayed bridge with the suspended girders externally anchored. The cable-stayed bridge is mainly characterized in that at least three stay cables are connected between each side of each unit girder and two adjacent cable towers; external anchorage cables are arranged on the two outmost cable towers. Compared with the current anchorage and connection mode of the cable-stayed bridge, the invention enables the girders to be stably suspended and pulled in the air, and interaction force among the unit girders is greatly weakened. The cable-stayed bridge can make use of the strength of the components thereof, thereby not only reducing material consumption and weight of the components like the girders but also increasing the span and height between the cable towers, which is good for choosing the bases for the cable towers according to landform and geology and good for developing navigation capacity.

The invention belongs to the technical field of concrete pouring, and discloses a concrete pouring device. The concrete pouring device includes a tower crane body, the tower crane body is provided with a folding pipe for conveying concrete, one end of the folding pipe is connected with a damping conveying device, and a concrete hose is arranged at the end, away from the damping conveying conveyor,of the folding pipe. According to the concrete pouring device disclosed by the invention, a tower crane is used for concrete pouring, in the process of pouring, high floors can be poured without theneed of building pipelines layer by layer manually, disassembling of the pipelines layer by layer is not needed after pouring, operation is easy, use is convenient, the range of high-efficiency concrete pouring is expanded, the work of needing to build a plurality of conveying pipe and materials are reduced, the workload of workers is greatly reduced, the working efficiency is advantageously improved, and the construction time is shortened. According to the damping conveying device, vibration of the conveying pipes during concrete conveying is eliminated, the folding pipe cannot swing freely in the conveying process, and the stability of the tower crane body is not affected.

The invention belongs to the technical field of vibration ball milling devices, and discloses a design parameter determination method for a double-machine-driven high-frequency vibration ball mill, and the vibration ball mill comprises two vibration exciters, a mass 1, a mass 2, a spring A and a spring B; Wherein the plastid 1 and the plastid 2 are both of a central symmetry structure and an axialsymmetry structure, and the plastid 1 is located in the central space of the plastid 2 and connected with the inner wall of the plastid 2 through the spring A; The symmetrical edges of the plastid 2are connected with a foundation through springs B; Wherein the two vibration exciters are symmetrically arranged in the mass 2, an eccentric rotor is arranged in each of the two vibration exciters, the eccentric rotors are driven by respective induction motors to rotate around the centers of rotation axes respectively, the rotation directions are anticlockwise, the rotation speeds are the same, and the self-synchronizing vibration drives the ball mill to work. Relative motion of the plastid is discussed by establishing a kinetic model and a motion differential equation, and a synchronism condition and a stability condition are derived. And the crushing efficiency and the energy utilization rate of the vibrating ball mill are improved.

The invention relates to an inner circle run-out testing fixture, which comprises a rotating seat, a lever, a meter and an anti-backlash mechanism. A lever seat is fixed on the upper end surface of the rotating seat, the middle part of the lever is rotationally arranged in a through hole through the rotating shaft, and a tension spring is arranged between a meter seat and the lever. The anti-backlash mechanism comprises a taper sleeve, balls and a pre-tightening adjusting sleeve. Concave conical surfaces are arranged at the two ends of the taper sleeve, and the taper sleeve is arranged betweenthe rotating shaft and the lever. The plurality of balls are respectively arranged in the conical surfaces at the two ends of the taper sleeve. A shaft shoulder abuts against the balls in the conicalsurface at one end of the taper sleeve. The rotating shaft is sleeved with the pre-tightening adjusting sleeve, and one end of the pre-tightening adjusting sleeve abuts against the balls in the conical surface at the other end of the taper sleeve. A gasket sleeves the rotating shaft, abuts against the other end of the pre-tightening adjusting sleeve and is locked through a nut. The gap between the lever and the rotating shaft is eliminated through the ball and the taper sleeve, so that the lever can bear large force in the axis direction of the rotating shaft, the lever cannot swing in the axis direction of the rotating shaft, and the measurement stability is high.

The invention discloses an assembling tool for an electromagnetic switch of a starter, relates to the technical field of starter production, and provides a tool capable of ensuring that an electromagnetic switch can be assembled smoothly. The tool comprises a tool base, a pressing plate, guiding sleeves and assembling columns, two guiding sleeve holes are formed in the tool base, the guiding sleeves and the guiding sleeve holes are arranged in a one-to-one correspondence mode, the guiding sleeves comprise guiding sleeve main bodies and connecting flanges, the rear ends of the guiding sleeve main bodies are inserted into the guiding sleeve holes and are matched with the guiding sleeve holes, the connecting flanges abut against the tool base, guiding holes are formed in the guiding sleeves,two pressing plate holes are formed in the pressing plate, the pressing plate is arranged on the two guiding sleeve main bodies in a sleeving mode through the two pressing plate holes, the pressing plate holes are matched with the guiding sleeve main bodies, the pressing plate is connected with the tool base and is used for tightly pressing the connecting flanges, the assembling columns and the guiding sleeves are arranged in a one-to-one correspondence mode, the assembling columns are loaded in the guiding holes and are matched with the guiding holes, a switch screw driving head is arranged at the front ends of the assembling columns, and an input connecting structure is arranged at the rear ends of the assembling columns.

The invention discloses a cleaning machine used for the building field and convenient for ground cleaning. The cleaning machine used for the building field and convenient for ground cleaning comprises a frame; a moving device is arranged on the bottom surface of the frame; a water spraying device is arranged at the head part of the top surface of the frame; a ground cleaning device is arranged at the middle part of the bottom surface of the frame; and a dust collecting device is arranged at the tail part of the top surface of the frame. According to the cleaning machine used for the building field and convenient for ground cleaning, no flying dust is ensured in the cleaning process by using the water spraying device and no influence can be caused to other construction units; as the ground is cleaned by using the ground cleaning device, convenient cleaning, high efficiency and good effect are achieved and human, material and financial resources are saved; and the cleaned crushed wastes are collected by the dust collecting device.

The invention discloses a platform circling and butt welding all-in-one machine. The machine comprises a machine body; a straightening mechanism, a conveying mechanism, a forming mechanism and a welding mechanism are arranged on the machine body in sequence from right to left; the forming mechanism comprises an adjusting plate, a first chute, a second chute, a first guide wheel, a second guide wheel and a limiting base; the limiting base is arranged on one side, far from the conveying mechanism, of the adjusting plate; the adjusting plate is arranged on the machine body; the first chute and the second chute are both formed in the adjusting plate, and are parallel to each other; and the first chute is parallel to raw materials positioned on the conveying mechanism. The platform circling and butt welding all-in-one machine is simple in operation, high in efficiency, simple in structure and low in cost.

The invention discloses a lifting device for oxygen acetylene cylinder detection. A frame is composed of four stand columns and cross beams constructed on the stand columns and fixed to a foundation ground by means of embedded bolts. A rack is vertically welded along the inner side face of each stand column. Rails are welded to the positions where the racks face one another. A lifting platform is arranged in a working area in the frame. Guide wheels are assembled at the four corners of the lower surface of the lifting platform through guide wheel carriers. Ratchet wheels are installed on the guide wheel carriers. A space used for containing an oxygen acetylene cylinder is defined by the periphery of the lifting platform through guardrails. Motors are connected with speed reducers through couplings and fixed to the frame in the mode of corresponding to the racks of the stand columns respectively. Gears are installed on output shafts on the speed reducers and rotate in the mode of being engaged with the racks. By the adoption of the technical scheme, the lifting device can meet the use requirement of an oxygen acetylene monitoring station, and swing is avoided during lifting; the lifting device has the advantages of being stable, safe, high in efficiency and the like.

The invention discloses a mounting rack for an integrated cooker fan. The mounting rack comprises a base and an arc-shaped clamping seat, the arc-shaped clamping seat is arranged on the base, the arc-shaped clamping seat comprises a bottom support and an arc-shaped frame, and the arc-shaped frame is located in the bottom support. A mounting method comprises the following steps that 1) the arc-shaped clamping seat is mounted; 2) the arc-shaped clamping seat and the base are mounted; 3) a motor supporting part and an air inlet pipe supporting part are mounted; and 4) the fan and the mounting rack are mounted. According to the mounting rack for the integrated cooker fan, mounting and fixing between the mounting rack and the inner wall of an integrated cooker are realized through the base, thearc-shaped clamping seat can be used for clamping and fixing a turbine casing on the fan, meanwhile, a motor on the fan is supported through the motor supporting part, and then an air inlet pipe on the fan is supported by using the air inlet pipe supporting part, so that the mounting firmness and reliability between the whole fan and the mounting rack are effectively guaranteed, the structural stability of the integrated cooker is improved, moreover, the angle of an air outlet pipe can be adjusted according to the actual position of an air duct pipe in the integrated cooker after the fan is mounted on the arc-shaped clamping seat.