6552results about How to "Save installation space" patented technology

A diversity antenna for the meter and decimeter wave ranges installed on a conductively framed dielectric surface in the body of a motor vehicle and substantially assembled from rectangular part surfaces, for example in a roof cutout or trunk with a dielectric trunk lid. A substantially wire-shaped antenna conductor is installed parallel with the conductive frame and spaced from a part thereof of the dielectric surface less than one fourth of the width of the dielectric surface. The wire-shaped antenna conductor has an interruption site which define a pair of antenna connection terminals. A two-pole, electronically controllable impedance network is incorporated in series in at least one additional interruption site. The position of the interruption site with the pair of antenna connection terminals, and the position of the additional interruption site are selected so that the antenna signals available at the different settings of the controllable impedance network are adequately decoupled in terms of diversity.

The invention discloses an automobile frame and an automobile. The automobile frame comprises two longitudinal beams, a plurality of beams, a front anti-collision beam and energy absorption boxes. The two longitudinal beams are mutually separated, each longitudinal beam is provided with a front section, a connection section, a middle section and a back section, wherein an energy absorption structure is arranged on the back section. The plurality of beams are arranged between the two longitudinal beams. The front anti-collision beam is arranged at the front ends of the two longitudinal beams and comprises a first upper plate, a first middle plate, a first lower plate, a first lateral plate and a second lateral plate. The first lateral plate and the second lateral plate are connected between the front ends of the back ends of the first upper plate and the first lower plate respectively, the first middle plate is arranged between the first upper plate and the first lower plate and connected with the first lateral plate and the second lateral plate respectively, and the thicknesses of the first middle plate, the first upper plate and the first lower plate are approximately identical. The two energy absorption boxes are arranged between the front anti-collision beam and the two longitudinal beams respectively. The automobile frame has the improved front collision and back collision resistance, improves collision resistance, protects an oil tank and simultaneously reduces deformation of a cab.

The invention relates to the ventilation system field, in particular to an efficient automatic dust-removing and intelligent ventilation system and an automatic dust-removing method. The system comprises an intelligent energy-saving ventilation system housing component and a fan, wherein the intelligent energy-saving ventilation system housing component comprises a dual duct, a dust-discharging duct, a throttle actuating mechanism, a dust screen, a temperature and humidity sensor and a distributed pressure sensor, wherein the temperature and humidity sensor and the distributed pressure sensor are connected with a control system, and the control system drives the throttle actuating mechanism to realize time-sharing and smooth transition of the dual duct and the dust-discharging duct. The beneficial effects of the invention are as follows: the fans of the air feeder unit can be used for several purposes such as air supply and dust removing, thus reducing the equipment cost; the self-cleaning of the filtering screen can be realized, thus prolonging the service life of the filtering screen, reducing replacement frequency and lowering maintenance cost; and by turning on / off the automatic dust-removing and intelligent ventilation system, the normal operation of the devices in an equipment room can be ensured.

An electrical connector is provided and includes an insulative housing having a main body and a tongue plate with a plurality of terminal grooves extending along a mating direction. A plurality of terminals which are substantially signal terminals and grounding terminals are received in said terminal grooves, each of said terminals has a contacting portion and a tail portion. A metallic shell shields the insulative housing therein. A grounding plate is inserted into said insulative housing and in contact with said metallic shell so as to establish a grounding path between at least one grounding terminal and the metallic shell by a manner of the tail portion of said grounding terminal being electrically connected with said grounding plate.

A process and device for detecting electrically conductive particles in a liquid flowing in a pipe section, the liquid being exposed to periodic alternating electromagnetic fields by a transmitter coil which induces eddy currents in the particles, a probe made as a coil arrangement and which has an effective width producing a periodic electrical signal based on the eddy currents. The signal ha a carrier oscillation with an amplitude and / or phase which is modulated by particles passing across the effective width of the coil arrangement, the probe signal being filtered by a frequency-selective first filter unit, the filtered signal being sampled by a triggerable A / D converter stage to obtain a demodulated digital measurement signal, the digital measurement signal being filtered by a digital, frequency-selective adjustable second filter unit to obtain a useful signal, and the useful signal being evaluated to detect passage of electrically conductive particles in the pipe section.

The invention discloses a comprehensive advance geological detection system carried by a tunnel boring machine. The comprehensive advance geological detection system comprises a multifunctional combination main frame, an induced polarization detection device, an earthquake wave detection device, an integrated junction device, a drilling geological radar detection device and a comprehensive interpretation decision system. The multifunctional combination main frame comprises a time division multiplexing control module, an excitation source control module and a parallel data collecting module. The excitation source control module outputs trigger signals to the three detection devices respectively, the three detection devices respectively output measurement data and feedback signals to the time division multiplexing control module through the parallel data collecting module. The comprehensive interpretation decision system supports geological interpretations and decisions through the inversion / migration imaging joint inversion of three detection methods. The detection system greatly improves the automation degree and detection speed of detection equipment on the tunnel boring machine, and multiple kinds of detection equipment can be carried by the tunnel boring machine.

The invention relates to a method for detecting faults in cables, transmission lines or networks, in particular to a power distribution network single-phase earth fault locating method based on a transient state. The method includes: first, determining fault section in a large range according to a flow direction of detecting point transient current, and then determining a final fault section according to the similarity of zero-module current waveforms between two adjacent detecting points. The current waveform similarity calculating processing adopts a general correlation coefficient calculating method and a maximum correlation coefficient calculating method respectively. The technical scheme is that the method is a passive route selection method which is high in locating success rate and efficiency and not subject to effects of unstable arc and intermittent arc, an additional high-voltage primary device or movement coordination of other primary devices is not required, and high safety is achieved. Outage is not required for installing and detecting, and required installing space is small.

A plate material vertical processing line that is capable of subjecting large-sized and thinned glass plates to scribing, venting, etc without degrading their quality, comprises a plurality of processing devices each having a modular structure; wherein each of the processing devices includes a platform; a belt conveyor that is mounted on the platform and is configured to convey a glass plate placed in a substantially upright position while supporting a lower end of the glass plate; and a fluid guide that is mounted on the platform and is configured to apply a fluid pressure to a surface of the glass plate to support the glass plate in the substantially upright position and in a non-contact state; and wherein the processing devices include a combination of at least two processing devices selected from a scribing device, a venting device, a chamfering device, a cleaning agent washing device, a water washing device, a high-pressure water spray device, and a glass plate turn device.

The invention relates to a 'Brake-by-wire' braking system comprising a main cylinder (3) and wheel braking circuits (I, II) associated thereto and two brake booster pressure fluid circuits which are completely separated from said wheel braking circuits wheel braking circuits. In order to use a pressure control valve (34) associated with the first brake booster pressure fluid circuit for controlling a pressure in an intermediate space (21) not only by pressing on a pedal but also electrically, means (39, 40) for electrically controlling the intermediate space (21) pressure are provided with the pressure control valve (34).

The invention discloses a planetary type dual-mode petrol-electric parallel-serial hybrid power system, and aims to solve the current problems that the parallel-serial hybrid power car greatly depends on a motor, and the current planetary type parallel-serial hybrid power car cannot totally realize a parallel mode so as to cause the transmission efficiency not to be optimized enough. The system comprises an engine, a motor I, an inverter, a supercapacitor, a motor II, a front planetary row, a back planetary row, a clutch, a system output shaft and a system input shaft, wherein engine is connected with the system input shaft by virtue of a coupling, the front planetary row is sheathed in the right end of the system input shaft, the motor I is freely sheathed in the left end of the system input shaft, the right end of the motor I is in spline connection with the left end of the front planetary row, the clutch is in spline connection with the front planetary row, the front planetary row is in spline connection with the system output shaft, the back planetary row is sheathed in the system output shaft, the motor II is freely sheathed in the right end of the system output shaft, and the left end of the motor II is in spline connection with the right end of the back planetary row.

The invention relates to a temperature regulator. The temperature regulator comprises a valve body and a thermodynamic element, wherein a cavity is formed in the valve body, and the thermodynamic element is mounted in the cavity; the cavity is communicated with the outside through at least three valve ports, namely a first valve port, a second valve port and a third valve port, the two ends of the thermodynamic element are respectively mounted in the valve body through elastic components, a flow cutoff ring which is of an annular component is mounted in the cavity in a sealed and fixed manner, and a thermodynamic element body is located between the third valve port and the flow cutoff ring. When the temperature of fluid is relatively low, a heat-sensitive material in the thermodynamic element contracts, and the thermodynamic element body moves towards the flow cutoff ring and closes an internal hole of the flow cutoff ring; when the temperature of the fluid is relatively high, the heat-sensitive material in the thermodynamic element expands, and the thermodynamic element body moves towards the third valve port until the third valve port is closed by the thermodynamic element body. The temperature regulator provided by the invention has the advantage that the internal leakage of temperature regulators in the prior art is lowered greatly.

The invention discloses a full-automatic patch pocket machine which comprises a sewing machine head, a folding device, a pressing device and a feeding device, wherein the folding device comprises a mounting bracket which is capable of vertically moving and is arranged on a fixed base plate; a template for loading a pocket piece is arranged on the mounting bracket; the template can horizontally stretch relative to the mounting bracket; a pressing plate and a folding bracket are fixedly connected with a moveable bracket; the pressing plate is used for pressing by matching with the template; thefolding bracket is provided with a folding cylinder; a feeding mounting plate which is connected with the feeding device is arranged on the pressing device; an auxiliary pressing foot and a pressing frame are arranged on the feeding mounting plate; the auxiliary pressing foot is used for pressing the pocket piece on the template; the pressing frame is used for pressing cloth; pressing blocks are distributed on the periphery of the pressing frame; and the feeding device is used for driving the pressing device to send the pressed pocket piece and cloth to a sewing position of the sewing machinehead. The full-automatic patch pocket machine can be used for folding the pocket piece into a pocket and sewing on the corresponding cloth and solving the problems of complex pocket processing structure and low working efficiency of the prior art.

The invention discloses a smart factory-based multi-function data acquisition device, acquisition system and method. The acquisition device comprises a microprocessor as well as a power supply module, a 485 transceiver chip, a 232 transceiver chip, an IO signal conversion circuit and two Ethernet protocol stack chips which are connected with the microprocessor, wherein the 485 transceiver chip and the 232 transceiver chip are respectively provided with an RS-485 Interface and an RS-232 interface which are used for connecting external devices and acquiring device data, the Ethernet protocol stack chips are provided with Ethernet interfaces and are used for connecting upper computers or other acquisition devices and transmitting data, and the IO signal conversion circuit is provided with an IO port and is used for connecting external devices, acquiring signals or controlling the devices. The data acquisition device can be configured to a master station mode or a slave station mode, and is flexible in interfacing, and therefore, the data acquisition device can read data of field devices and scattered acquisition points more economically, conveniently and efficiently and provide complete and accurate bottom data for the establishment of a smart factory.

An intake system for the combustion air of a motor of a hand held implement is provided. The system includes an air filter and a centrifugal separator. The air filter has a dirt chamber and a clean chamber that is separated therefrom by a filter medium. The clean chamber is fluidically connected with a carburetor of the motor to convey combustion air to the motor. The centrifugal separator splits the air stream into a core flow having low particle density and a peripheral flow having high particle density. The centrifugal separator includes at least two cyclones, wherein the discharged flows from the cyclones are respectively combined in pairs and open out into a common suction tube.

The invention relates to a permanent magnet synchronous motor control performance automation test system, which comprises a communication subsystem, a host computer subsystem, a permanent magnet synchronous motor control subsystem, and a direct-current machine control subsystem; wherein a control circuit in the permanent magnet synchronous motor control subsystem is connected with a RS232 switching bridge device in the communication subsystem; a Siemens 6 RA 7025 direct current speed governor in the direct-current machine control subsystem is connected with a communication card CBP2 of the direct current speed governor in the communication subsystem; the communication card CBP2 of the direct current speed governor in the communication subsystem and the RS232 switching bridge device are connected with a programmable controller (PLC) in the host computer subsystem; the communication is realized between the permanent magnet synchronous motor control subsystem and the host computer subsystem by the programming. The permanent magnet synchronous motor control performance automation test system has the advantages of increasing the reliability and capacity of resisting disturbance of the system, realizing the networking control of the whole system, increasing the real time of the system, being capable of simulating any load and saving the energy.

In a connection surface (3c) of each of two members (1a, 1b) to be fastened, a communication groove (6) opened on a surface and an engagement groove (7) communicating therewith, being wider than the communication groove (6), and provided with a connection surface (9) parallel to the connection surface (3c) are formed. A fastener (8) includes: two engaging pieces (11), which can be inserted into the engagement grooves (7) and are wider than the communication grooves (6) and are provided with fastening surfaces (15); and a connecting portion (14) therebetween, wherein the entirety of the fastener (8) can be inserted into the interior of one set of communication groove (6) and engagement groove (7), which are opposed to and communicate with each other, by thrusting the respective engaging pieces (11) and connecting portion (14) thereto. In the inserted state, fastening surfaces (15) of the respective engaging pieces (11) contact with engagement surfaces (9) of the engagement grooves (7), thereby being unable to be pulled out in a direction orthogonal to the connection surfaces (3c) of the two members (1a, 1b). That is, the two members (1a, 1b) have nothing protruding from a surface by virtue of the fastening assembly, and are in a firmly fastened state via the fastener (8).

The invention discloses an automatic package machine for corrugated cartons with different lengths. The automatic package machine comprises a rack. An initial material position containing area, a wrapping forming area and a carton sealing area are sequentially arranged on the rack in the carton conveying direction. A material conveying device is arranged below the initial material position containing area. A carton containing area is arranged in the wrapping forming area. A top face folding mechanism, a front end folding system and a tail end folding system are arranged in the carton containing area. A side face folding mechanism is arranged below the carton containing area. Each of the front end folding mechanism and the tail end folding mechanism comprises a side face duck tongue folding mechanism, a top face duck tongue folding mechanism and a bottom face duck tongue folding mechanism. A plurality of powerless transmission rollers are arranged in the carton sealing area in the length direction of the carton sealing area. A two-end carton sealing mechanism, a length direction carton sealing system and a width direction carton sealing system are arranged in the carton sealing area in the carton conveying direction. By means of the automatic package machine, packaging of carton type products of different specifications and different sizes can be achieved, and the application range is wide.

The invention provides a 6 degree of freedom precision positioning platform which is used for bearing objects and adjusting the position of a suction bed plate within the scope of the 6 degree of freedom. The 6 degree of freedom precision positioning platform comprises a horizontal adjustment platform and a vertical adjustment platform, wherein, the horizontal adjustment platform can be used for adjusting the position of the suction bed in the directions of an X axis, a Y axis and a Theta z axis, comprising a horizontal output platform which is fixedly connected with the suction bed and is used for bearing the suction bed, three groups of revolute pair flexible articulated mechanisms which are distributed evenly along a circumference and a horizontal base which is connected with the horizontal output platform by the revolute pair flexible articulated mechanisms. The vertical adjustment platform comprises three groups of adjustment mechanisms which are evenly distributed along the circumference and are used for adjusting the position of the suction bed in the directions of a Z axis, a Theta X axis and a Theta y axis. In the invention, the horizontal adjustment platform and the vertical adjustment platform are connected only by a cuniform mechanism and a vertical flexible spring, thus simplifying the structure of the positioning platform, reducing manufacturing difficulty and improving assembly accuracy.

The invention discloses a fresh air conditioner integrated machine which comprises an indoor unit arranged on the inner side wall of a wall body in a hang mode, an outdoor unit arranged on the outer side wall of the wall body in a hang mode and a connecting pipe for connecting the indoor unit with the outdoor unit. The indoor unit comprises an indoor unit case which is fixedly connected with the inner side wall of the wall body; the indoor unit case is provided with a fresh air system, a temperature adjusting system and a control system, wherein the fresh air system is used for introducing outdoor fresh air into the indoor unit case, filtering the fresh air and exhausting the fresh air into an indoor space, and the temperature adjusting system is used for introducing indoor return air into the indoor unit case, heating or cooling the return air and exhausting the return air into the indoor space; the outdoor unit comprises an outdoor unit case which is fixedly connected with the outer side wall of the wall body; a part of the temperature adjusting system is located in the indoor unit case, and the rest of the temperature adjusting system is connected to the outside unit case through the connecting pipe; and the fresh air system and the temperature adjusting system are connected with the control system to act under control of the control system.

A servo drive for activating a tailgate of a motor vehicle has a drive, a sun wheel driven by the drive and rotatably mounted on a first axle, and a planetary wheel rotatably mounted on a second axle. The sun wheel engages with the planetary wheel. The first and second axles have ends, are movably arranged at their ends facing away from the drive in a common web, and are spaced apart from one another by a constant distance. The planetary wheel engages in a ring gear segment which is fixedly connected to a bodywork, and an end of the web, which faces the ring gear segment, is movably connected to a connecting rod through a third axle. An end of the connecting rod facing away from the third axle is movably connected, via a fourth axle, to an output element which is connected by an end facing away from the fourth axle to the tailgate.

In a connector to be mounted to a connection object, an insulating housing holds a first and a second contact and has a receiving portion for receiving and holding a circuit board with an electronic element mounted thereon. The first contact has a first contacting portion to be contacted with a mating connector and a first elastic contacting portion brought into elastic contact with the circuit board. The second contact has a second contacting portion to be connected to the connection object and a second elastic contacting portion brought into elastic contact with the circuit board. Conductive first and conductive second connecting portions are disposed on the circuit board to be connected to the first and the second elastic contacting portions, respectively. In addition, a pair of ground patterns is disposed on the circuit board with the first and the second connecting portions interposed therebetween.

The invention discloses a synchronous control circuit for rail-vehicle-rescue emergency braking. Normally-closed contact coupling a relay and emergency braking relays are parallelly connected into emergency-braking train-line loops of lead vehicles of rescue vehicles and failed vehicles, and are used for rebuilding the emergency-braking train-line loops after rescue trains and failed trains are coupled; meanwhile, braking isolating switches are arranged on the lead vehicles of the rescue vehicles and the failed vehicles, rescue head-and-tail relays and braking isolating relays are parallelly connected, emergency-braking-button normally-closed contact of a driver table is connected into the emergency-braking train-line loops in a series mode, braking isolating electromagnetic valves of all the vehicles are parallelly connected into an emergency train-line loop, power is supplied through the emergency train-line loop, the emergency train-line loop is controlled to control the braking isolating electromagnetic valves, and under the working condition that rescue is achieved, emergency-braking synchronous control is achieved. A control method is safe and reliable, the synchronism is accurate, the purchasing expense of a whole project is saved more than 3-million yuan, device installation space is saved, and installation space and maintaining space are guaranteed for full power vehicles and unmanned driving vehicles.

The invention provides an integrated hub motor and a control method thereof. The integrated hub motor comprises a motor shaft and a stator fixed on the motor shaft, wherein the stator is externally sheathed with a rotor casing; the front end and the rear end of the rotor casing are rotatablely fixed on the motor shaft by a rotor end cover and a bearing; two ends of the motor shaft protrude outside the rotor end cover to form a long end and a short end; a bearing end cover is fixed at the outer side of the rotor end cover; and the short end of the motor shaft is covered therein. The invention is characterized in that a bearing end cover shaft is arranged in the middle part of the bearing end cover in a protruding mode towards the direction of the motor shaft, and a position detection device is arranged at the corresponding position of the end part of the motor shaft and the bearing end cover shaft; the motor shaft is sheathed with a servo controller; and the position detection device senses rotation of the bearing end cover shaft and transmits the sensed signal to the servo controller to finally obtain the rotating angle or position of the rotor after being processed by the servo controller, thus achieving accurate control of the motor. The invention has the advantages of simple structure, energy conservation, good starting characteristic, small volume and high efficiency.

The invention relates to a spiral-arc gear mechanism for parallel-shaft external-engaged transmission. The spiral-arc gear mechanism comprises a transmission pair consisting of a bull wheel and a pinion wheel, wherein the pinion wheel is connected with an input shaft, the bull wheel is connected with an output shaft, the axis of the pinion wheel and the axis of the bull wheel are parallel to each other, spiral arc grooves are uniformly distributed in the external surface of a cylindrical body of the pinion wheel, spiral arc teeth are uniformly distributed in the external surface of a cylindrical body of the bull wheel, both center lines of the spiral arc grooves and center lines of the spiral arc teeth are cylindrical helices, and the spiral arc grooves of the pinion wheel are matched with the spiral arc teeth of the bull wheel. When the pinion wheel and the bull wheel are mounted, one pair of spiral arc groove and spiral arc tooth is firstly enabled to be engaged with each other, a driver drives the input shaft and the pinion wheel to rotate, and thus, the external-engaged transmission between the two parallel shafts is realized; the shapes of the spiral arc grooves and the shapes of the spiral arc teeth can be determined by parameters, such as a transmission ratio, and a central line equation. The spiral-arc gear mechanism is simple and compact in structure, small in size, light in weight, high in strength and rigidity, high in contact ratio and high in single-stage transmission ratio and is suitable for being applied to the fields of small, micro and conventional machinery.

The invention discloses a blade vibration blade tip timing online monitoring method and device during inconstant rotation speed, wherein the method comprises the following steps: 1) obtaining a bladetip timing signal sequence and a rotation speed signal sequence during blade vibration; 2) constructing a blade tip timing angular domain uniformly sampled blade vibration displacement model; 3) establishing a reconstruction formula for the blade vibration blade tip timing angular domain undersampled reconstruction signal; 4) calculating the order spectrum of the blade vibration blade tip timing angular domain undersampled reconstruction signal and extracting synchronous vibration order; 5) calculating the spectrum waterfall plot of the blade vibration blade tip timing angular domain undersampled reconstruction signal to extract the asynchronous vibration frequency. The method can reconstruct the blade tip timing vibration signal with inconstant rotation speed, and the reconstructed signalhas no order aliasing. The method can simultaneously recognize the synchronous and asynchronous vibration characteristics of the blades, and the calculation process is simple and easy to implement. The high-order vibrations can be identified with very few blade tip timing sensors so as to save installation costs and space.

A method for manufacturing tobacco sheet taking substrate as a carrier through a dry paper making method comprises the following steps: spraying slurry onto the right side of the substrate through a high pressure spraying method, and meanwhile carrying out negative pressure suction across a wire belt to the reverse side of the substrate; then sending the substrate into an oven and carrying out medium temperature baking and humidity discharging under the condition that the temperature of the substrate is 55 DEG to 70 DEG, and enabling hot air inside the oven to flow directional from the right surface of the substrate to the reverse surface of the substrate to carry out humidity discharging; sequentially, carrying out normal temperature humidity discharging treatment; setting medium temperature baking and humidity discharging time and the normal temperature baking and humidity discharging alternatively; and repeating the steps on the reverse side of the substrate, namely a tobacco sheet is prepared. The substrate is prepared by that scattered material is evenly paved and absorbed onto a formation fabric for dry paper making to form a fiber thin layer under the vacuumpumping of a vacuum air pumping device under the formation fabric, and carrying out antistatic-electricity treatment; and spraying adhesion agent onto a fiber thin layer, under the combination of mist spraying and vacuum take-off on sprayed back surface; and finally carrying out drying.

An automobile cleaning device includes a spraying device. The spraying device comprises a top spray boom, a left vertical spray boom and a right vertical spray boom. The top spray boom, the left vertical spray boom and the right vertical spray boom are driven by a drive motor. A plurality of spray heads are distributed on the spray booms. Switching mechanisms which can make the spray heads to spray air or water are arranged in the left vertical spray boom, the right vertical spray boom and / or the top spray boom respectively. The spray heads on the left vertical spray boom, the spray heads on the right vertical spray boom and the spray heads on the top spray boom are connected with a high-pressure water source and a high-pressure air source. The switching mechanisms are in linkage with an output shaft of a switching motor. The switching motor, the drive motor and solenoid valve switches mutually form a loop through a program control circuit, wherein the solenoid valve switches are used for controlling the high-pressure air source and the high-pressure water source respectively. According to the automobile cleaning device, through rotation of a cylindrical tube, the designated spray heads can be skillfully controlled to be communicated with or cut off from a water inlet pipeline, and then diversified spray head opening and closing state combinations are achieved; besides, as automobiles after cleaning can be dried in time, water drops can be well prevented from being stained with dust, in this way, the automobiles can be more convenient and faster to clean, and the cleaning effect is better.

The invention belongs to the technical field of damping for civil engineering structure, and particularly relates to a tuned mass damper used for controlling the low-frequency vibration of a building structure. The tuned mass damper comprises suspension components, a damping device and a mass block and is characterized by further comprising at least one swing support, when more than one swing support is arranged, the swing supports are nested from outside to inside, the lower part of each swing support is connected with the adjacent suspension component at the outer side of the swing support, and the upper part of the swing support is connected with the adjacent suspension component at the inner side of the swing support; the lower end of the adjacent suspension component at the inner side of the swing support is further connected with the adjacent swing support at the inner side of the suspension component or with the mass block; and the damping device is connected with the mass block. The tuned mass damper is compact in spatial structure, suitable for control on the vibrations of structures with frequencies of 0.15 Hz and even lower, great in cost performance, capable of effectively expanding the application range of swing-type tuned mass damper products, and very wide in market application prospect.