37 results about "Conical pendulum" patented technology

The invention relates to a window breaker, which comprises a conical pendulum hammer, a spring, a trigger switch and a window breaker box, wherein the spring can be used for enabling the conical pendulum hammer to be horizontally ejected; the trigger switch is used for limiting and triggering the conical pendulum hammer to be horizontally ejected; the window breaker box is used for guiding the conical pendulum hammer to be horizontally ejected; the conical pendulum hammer and the spring are arranged in the window breaker box; the trigger switch is arranged outside the window breaker box; one end of the conical pendulum hammer is connected with the spring; the other end of the conical pendulum hammer is connected with the trigger switch; one side, which is close to a glass window, of the window breaker box is provided with a window breaking hole through which the conical pendulum hammer can pass; the other side, which is close to a glass window, of the window breaker box is provided with the spring. The window breaker has the characteristics that the loss is difficult, the reliability is good, the repeated percussion can be carried out, the operation is convenient, and further, the operating time is short.

The invention discloses an automatically levelled theodolite device. The automatically levelled theodolite device comprises a theodolite body and a support, wherein the support comprises a suspension arm and a theodolite body levelling and centering mechanism, the theodolite body levelling and centering mechanism comprises a horizontal fine turning component the bottom of which is connected with the tail end of the suspension arm, as well as a gravity pendulum bob, the horizontal fine turning component is connected with the gravity pendulum bob in a manner of holding a spherical pendulum head of the gravity pendulum bob by virtue of multiple extending downward ball claws which are arranged on the working platform of the horizontal fine turning component, a locating component which can fix the position of the spherical pendulum head is arranged on each ball claw, the gravity pendulum bob also comprises a conical pendulum body, the gravity center of the conical pendulum body is located on the central axis of the conical pendulum body, the vertebral point of the conical pendulum body is arranged downward and is provided with an external screw thread structure, a screw hole matched with an external screw thread structure is formed in the top of the theodolite body, and the central axis of the screw hole is coincided with the vertical axis of the theodolite body. The automatically levelled theodolite device has the advantages that automatic levelling and locating can be realized, and centering is convenient, so that operation is relatively easy and relatively conveniently.

A handheld massage device includes an actuator mechanism and a massage unit received in an outer housing. The actuator includes a motor, a bearing and a tilting piece having a first shaft coupled with the motor and a second shaft fitted into the bearing. The crank-shaped first and second shafts do not lie on a straight line. The massage unit has a base plate and massage elements mounted on the base plate. The massage elements protrude from one end of the outer housing. The bearing is fitted in the base plate. Because the first and second shafts form an angle therebetween, the base plate is tilted and swings like a conical pendulum. Therefore, the massage elements on the base plate move back and forth along a direction of an axle of the motor, thereby providing kneading and percussion massages on the user's body.

The invention discloses a simple pendulum system. The system comprises a simple pendulum body, an attitude sensor, a processor and a prompting device. The simple pendulum body is connected to the attitude sensor. The processor is connected to the attitude sensor and the prompting device. The processor is used to prompt the three-dimensional motion attitude of the single pendulum body measured by the attitude sensor during moving through the prompting device. In the invention, the processor can prompt the three-dimensional motion attitude of the single pendulum body measured by the attitude sensor during moving through the prompting device; compared with naked eye observation, the three-dimensional motion attitude of the single pendulum body measured by the attitude sensor during moving canbe used to greatly improve the accuracy of judgment; and a user can learn and know a conical pendulum phenomenon and an automation degree is increased.

The invention discloses a sample uniform mixing mechanism, which comprises a support, wherein the support is provided with a sample container seat used for placing a sample container; and a uniform mixing driving mechanism, which is used for driving the sample container to do conical pendulum motion. The mechanism also comprises an anti-rotation mechanism used for preventing the sample container from rotating around the axis of the sample container in the process of performing the conical pendulum motion. According to the sample uniform mixing mechanism disclosed by the invention, the uniform mixing driving mechanism is arranged to drive the sample container to do the conical pendulum motion, so that samples in the sample container generate eddy current to realize sample mixing, but if the sample container rotates in the conical pendulum motion process, the eddy current may be weakened or even cannot be generated, the uniform mixing effect is reduced, and even the samples cannot be uniformly mixed; by arranging the anti-rotation mechanism, the sample container can be prevented from generating rotation or only generating slight rotation in the process of performing conical pendulum motion, so that eddy current in the sample container is not influenced by rotation, and the sample uniform mixing efficiency and the uniform mixing effect can be effectively improved.

The invention relates to a multifunctional supersonic vibration auxiliary machining machine tool and a control method thereof. Compared with an ordinary machining mode, supersonic vibration auxiliarymachining can effectively reduce cutting force, reduce tool abrasion, improve the surface machining precision of workpieces, improve the machining efficiency and the like. Most of traditional supersonic vibration is in a single vibration mode, with continuous expansion of the application fields of a supersonic vibration auxiliary machining technology, traditional supersonic vibration auxiliary machining machine tools cannot meet the actual production requirements, and in order to solve the problems, the multifunctional supersonic vibration auxiliary machining machine tool and the control method thereof can achieve axial vibration, circumferential vibration, conical pendulum vibration and tool rotary speed fluctuation at the same time, provide convenience for further using supersonic vibration auxiliary machining to reduce cutting force and improve the machining efficiency in the cutting process, and have great application value.

The invention provides an air damping type positioning device of an energy balance suspension system. The air damping type positioning device of the energy balance suspension system comprises at least two damping elements. One damping element is evenly distributed on the bottom of a current carrying coil (2) of an energy balance (1). Each damping element comprises a damper (3) and a damping box (4). The damper (3) is movable arranged in the damping box (4). The top of the damper (3) is connected with the bottom of the current carrying coil (2) in a hardwired mode through a connecting rod (8). The air damping type positioning device of the energy balance suspension system achieves the goal of measuring quality of weights from 100g-1000g, errors caused by simple pendulum, conical pendulum and rotational motion around a center shaft generated in the working process of the energy balance can be effectively reduced, and quasi-static measurement of the energy balance can be achieved.

The invention belongs to the technical field of steel metallurgy, and concretely relates to a slag water separation apparatus. The apparatus comprises a slag tank, a centrifuging disc is arranged at the center of the slag tank, the centrifuging disc can rotate along the self axis, a first driving motor for driving the centrifuging disc to rotate is arranged in the slag tank, the inner wall of theslag tank is provided with a cooling water jacket, a spraying device is arranged at the top of the slag tank, the centrifuging disc is assembled to be able to perform conical pendulum movement along avertical axis, and a driving mechanism for driving the centrifuging disc to perform conical pendulum movement is arranged in the slag tank; and a slag water collecting pool is arranged at the bottomof the slag tank, an overflow member is arranged at the upper end of the slag water collecting pool, a sediment tank is arranged at the lower end of the slag water collecting pool, a slag dredging mechanism is arranged in the sediment tank, and an aeration tube is arranged at the bottom of the slag water collecting pool. The slag water separation apparatus has the advantages of directness in collection of steel slag and wastewater generated in the slag granulation process, implementation of cleaning and separating works in the first time, improvement of the recycling efficiency of the steel slag, compact structure and small occupied space.

The invention discloses a mechanical earthquake self-detection device which comprises an earthquake amplitude control plate, a pointed conical pendulum supporting frame, a pendulum bob and a ground fixed connecting plate. The pointed conical pendulum supporting frame is located between the earthquake amplitude control plate and the pendulum bob. The earthquake amplitude control plate, the pointed conical pendulum supporting frame and the pendulum bob are fixedly installed on the upper portion of the ground fixed connecting plate in a mutually-parallel mode. When an earthquake occurs, the pointed conical pendulum supporting frame is installed on the ground fixed connecting plate, therefore, a pointed conical pendulum will swing at the frequency same as that of the ground under the inertial effect of gravity swinging, when swinging of the pointed conical pendulum reaches the certain amplitude, a convex cone at the upper end of the pointed conical pendulum is separated from an earthquake amplitude control circular truncated cone, a pendulum bob head on the earthquake amplitude control plate loses supporting, the pendulum bob head drives a pendulum rod to drop in an overturn mode, a sector gear at the other end of the pendulum rod is in meshed transmission with a cylindrical gear externally connected with a control mechanism, a protection mechanism, connected with the cylindrical gear, in the control mechanism is driven to be started instantaneously, 360-degree earthquake wave all-dimensional automatic detection is achieved, and the prevention effect on sudden disasters is good.

The invention relates to a conical pendulum type few tooth difference speed reduction device. The conical pendulum type few tooth difference speed reduction device is characterized in that an output disc with a tooth ring on the inner side is arranged on one side of a machine shell through a bearing, the other side of the machine shell is provided with a fixing tooth ring and connected with a connection base, a tooth-ring gear is arranged in the fixing tooth ring, and an oscillating zero tooth difference gear coupler is formed by the tooth-ring gear and the fixing tooth ring; an input bent axle is arranged in the center of the machine shell, the two ends of the input bent axle transversely penetrate the machine shell and are borne by a center bearing of the output disc and a center bearing of the connecting base, and an eccentric shaft of the input bent axle is provided with an oscillating duplex gear through a self-aligning roller bearing; and one end of the duplex gear is engaged with a tooth ring of the tooth-ring gear to form a few tooth difference planetary transmission gear pair, and the other end of the duplex gear is matched with the tooth ring of the output disc to form an oscillating zero tooth difference gear coupler. The conical pendulum type few tooth difference speed reduction device is simple in structure, large in transmission ratio, small in size, small in weight, high in performance cost ratio and long in service life.

The invention discloses a horizontal detection apparatus. The horizontal detection apparatus comprises an apparatus body, wherein the apparatus body comprises a bracket; the bracket comprises a bottomplate and a top plate; the bottom plate is provided with a dial scale; a conical pendulum with an adjustable pendulum length is hoisted on the top plate; when the top plate or the bottom plate is located on the horizontal plane, a pendulum needle of the conical pendulum is aligned to the central position of the dial scale. In an actual utilization process of the horizontal detection apparatus, the top plate or the bottom plate is placed on a floor surface of a vehicle and the adjustable pendulum length adjusted so that the top of the pendulum needle of the conical pendulum gets close to the dial scale; when the conical pendulum does not swing, the pendulum length is adjusted again so that the top of the pendulum needle of the conical pendulum slightly abuts against the dial scale; a numerical value on the dial scale is read, is a distance, deviated from the center of the dial scale, of the pendulum needle and then is recorded. The maximum deviation amount delta of a vehicle accordingto a similar triangle principle, and delta is equal to (L / S)*h. The horizontal detection apparatus only needs to be placed on a measurement point to read and calculate; the horizontal detection apparatus is very convenient to use and a detection position is flexible and diverse, so that the detection precision is greatly improved.

The invention provides a three-wire torsional pendulum method rigid body dynamic parameter test console which comprises a test console chassis, a cycloid curve and a tray and is characterized in that a lifting device and a centering device are arranged on the test console chassis, wherein the lifting device comprises three jacks; the jacks are circumferentially and uniformly distributed through taking the center of the chassis as the center of a circle; the centering device is positioned at the center of the chassis and comprises a jack and a centering shaft; and the centering shaft is installed at the upper end of a jack piston in the centering device and ascends or descends along with the piston. The three-wire torsional pendulum method rigid body dynamic parameter test console has the beneficial effects that through the lifting device of the test console, the tray can be conveniently and repeatedly lifted for multiple times, measured objects are convenient to put, load and unload, the tray can be fixedly arranged and put in a non-test state, and the service lives of the cycloid curve and the sensor can be prolonged; and through the centering device, the tray can be enabled to carry out pure torsion vibration around a central lead vertical axis without generating mixed pendulum or conical pendulum movement, so that the measurement precision and the measurement efficiency are improved.

A swing-motion conversion device of a tower crane stay rope, and a tower crane are disclosed. The conversion device comprises an installation support, a detection assembly and a sleeve connecting rod. The detection assembly is fixed to the installation support and comprises a shell. The shell is provided with a first motion state sensor and a second motion state sensor which are perpendicular to each other and are disposed in the same horizontal plane. One end of the sleeve connecting rod is provided with a thrust bearing having a rope passing hole, and the other end of the sleeve connecting rod is separately connected to the first motion state sensor and the second motion state sensor. The tower crane comprises the swing-motion conversion device. According to the swing-motion conversion device and the tower crane, swing-motion conversion of the tower crane stay rope can be achieved, the swing quantity measurement problem during simple pendulum motion and conical pendulum motion of a hoisting stay rope is effectively overcome, detection of states comprising a swing angle, a swing speed, a swing accelerated speed, and the like of the swing motion of the stay rope can be achieved, measurement precision is high, and safety and reliability are good.

An apparatus for recording radiation image data of an object comprises a radiation source arrangement (3) provided for emitting radiation; an object holder (5) arranged in the radiation path of the emitted radiation and provided for housing the object during the recordation of the radiation image data; a detector arrangement (6) for detecting radiation which has interacted with the object; a support structure (2), to which the radiation source and detector arrangements are secured; and a scanning device (1) provided for moving either one of the support structure or the object holder with respect to the other one of the support structure or the object holder in a conical pendulum movement while the detector arrangement is provided for detecting radiation which has interacted with the object.