1019results about How to "Play a shock absorbing effect" patented technology

The invention discloses a track walking device having an independent damping function. The track walking device comprises a track frame, a driving wheel, a guide wheel, a plurality of supporting wheels and a track. The driving wheel is rotatably arranged on the track frame and is in transmission connection with the track, and the track is sleeved outside the driving wheel, the guide wheel and the plurality of supporting wheels. The guide wheel is rotatably arranged on the track frame, the plurality of supporting wheels are located below the track frame and are arranged at intervals along the front and back walking directions of the track walking device, and each supporting wheel is connected with the track frame through a supporting wheel shaft, an oscillating rod and an oscillating shaft. One ends of the oscillating rods are rotatably connected with the track frame through the oscillating shafts, and the other ends of the oscillating rods are rotatably connected with the supporting wheels through the supporting wheel shafts. The track walking device is further provided with a plurality of damping units, and each damping unit corresponds to one oscillating shaft. Accordingly, compared with the prior art, the track walking device has good damping performance and terrain self-adaption capability.

The invention relates to an ultra high speed test CRH train bogie and belongs to the field of railway vehicle bogie devices with elastic deformation buffering capacity, the problem of welding stress centralization is solved by a horizontal and longitudinal beam integrated type tray frame, and a wing-shaped elastic support arm of an elastic frame can have a damping effect by own elastic deformation. According to the novel bogie, by the aid of matching usage of the elastic frame and motor suspension devices with vibration absorption functions, high cut-down and inhibition effects can be realized on motor vibration, and accordingly, the vibration frequency control difficulty of a power system is reduced greatly and surplus vibration damping buffering components can be effectively cut down, so that redundant components can be simplified greatly, the structure dimension is shortened, and the weight is reduced. Master pin backward titling structures of traction wheel sets can swing consistently in S shapes. The ultra high speed test CRH train bogie can overcome inherent mutual contradiction of dual requirements on two aspects of lightweight design and speed lifting of a 500km/h ultra high speed train and is a novel breakthrough in the field of localization ultra high speed bogies.

The invention relates to the technical field of mechanical equipment, and discloses a grinding machine with the dust removal function. The grinding machine comprises a grinding box, a motor is fixedlyarranged on the inner top wall of the grinding box, the output end of the motor is fixedly connected with a transmission shaft, the end, away from the motor, of the transmission shaft is fixedly provided with a grinding wheel, and a worktable is fixedly connected to the middle of the inner bottom wall of the grinding box. According to the grinding machine with the dust removal function, through an air inlet pipe, under the effect of an air blower, dust in the grinding box can be blown, through the effect of an exhaust fan, the dust enters a dust collection box through a dust suction pipe anda connecting pipe, through a sliding plate, under the effect of a connecting rod, a sliding block is pushed to move towards the two sides, under the effect of a spring, a supporting column can be reset, noise generated during work can be avoided, it is ensured that the work environment is better, and work fatigue of a worker is reduced.

The invention discloses a UAV landing shock absorbing device, which includes a turntable, and the center of the upper end surface of the turntable is connected to the UAV body through a second spring. Inside, oil is installed under the first piston. When the drone body lands on the ground from the air, the sixth spring is stretched, converting the kinetic energy into the internal energy of the sixth spring, which has a shock absorption effect, and inserts The rod moves downward relative to the sleeve, and the oil is poured into the cylinder through the first through pipe, so that the second piston moves downward to inflate the air bag, which further acts as a buffer. The drone body and multiple first springs The connection, the connection between the first pipe and the third spring, also converts the kinetic energy of the drone body when it lands, protecting the drone body from damage and improving the service life of the drone body.

The invention belongs to the technical field of pipeline detection, and discloses a natural gas pipeline quality detection device. The natural gas pipeline quality detection device comprises an annular block, wherein an annular groove is formed in the front of the annular block, a rotating motor is fixedly mounted in the annular groove, and the rotating motor extends to the outer side of the annular groove. While in use, according to the inner diameter of a natural gas pipeline to be detected, the lengths of four second telescopic members are simultaneously adjusted through an adjusting assembly, so that four travelling wheels can be in contact with the inner wall of the natural gas pipeline, and the length of a first telescopic member is adjusted, so that a miniature high definition digital camera is close to the inner wall of the pipeline; and through cooperation of a driving motor, a walking shaft and the travelling wheels, the entire device is driven to move in the pipeline, and atthis time, the motor rotates to drive the rotating shaft, the first telescopic member and a mounting block to rotate so as to drive the miniature high definition digital camera to shoot the inner wall of the pipeline, and perform comprehensive detection on the quality of the inner wall of the pipeline. The natural gas pipeline quality detection device is simple to operate, and good in effects, and can be suitable for detection of the inner walls of pipelines of different sizes.

The invention discloses a medical beauty treatment operating table comprising a table body; the table body bottom center is connected with a movable seat; the bottom of a damping spring is connected with a support plate; the support plate top center is connected with a sleeve; a slide groove is respectively arranged on two sides in a through pipe; a stop plate is arranged in the through pipe cavity; two sides of the stop plate are respectively provided with a connecting rod; the outer side of a bead is movably connected with the inner side of the slide groove; the stop plate top is connected with a second support spring; the second support spring top is connected with the bottom of the table body; the stop plate bottom is connected with an electric push rod; the left side of the support plate bottom is connected with a fixed block; a nut seat is movably clamped in a card slot; the inner side of the nut seat is screwed with a thread rod; the right side of the thread rod is connected with an electric motor. The medical beauty treatment operating table has cost advantages, thus solving the problems that a high cost operating table will reduce the operating table practicality.

The invention discloses a red phosphorus dipping device for match production, and relates to the technical field of match processing. With the device, the problem that a common dipping device in the prior art is simple in working mode, mainly completes the dipping action through power, does not have the function of guaranteeing the uniformity of dipping, and does not have the structure or functionof leveling a dipping material, and therefore it is not beneficial for quickly making matches is solved. The red phosphorus dipping device for match production comprises a base. A vertical plate is fixedly arranged on the rear side of the base through bolts, and the vertical plate is of an L-shaped structure and is arranged inverted. Two guide rails are fixedly arranged on the two sides of the inner side of the vertical plate through bolts, and a sliding block is arranged on the rear side of each of the two ends of the driving plate and is in sliding connection with the corresponding guide rail. Because a rack, a gear, a ratchet and a winding mechanism are arranged, the dipping device can have the function of carrying out one-way force accumulation to overturn an oscillation mechanism; and in the process that the gear goes up, the winding mechanism and the ratchet are of a forward structure and do not move synchronously with a barb, and it is guaranteed that no influence is caused tothe winding mechanism in the ascent process.

The invention discloses a support for chemical pipelines, which comprises a first fixing groove, a second fixing groove and a shock absorbing device, a second fixing groove is arranged below the first fixing groove, the bottom end of the first fixing groove and the second The top of the groove is connected by bolts, and the outer wall of the bottom of the second fixed groove is equipped with a shock absorbing device, which can play a shock absorbing effect when the pipeline shakes due to pressure changes or vibration of the connected equipment. The lower end of the shock absorbing device is connected with a base , the inner wall of the first fixing groove is connected with a worm through a bearing, the side wall of the worm is keyed with a worm wheel, the bottom side wall of the worm wheel is rotatably connected with a support rod, the lower end of the support rod is welded with a fixed block, and the inner wall of the fixed block is glued with a pad Sheets and gaskets can play the role of anti-slip and shock absorption. The lower end of the worm is equipped with a baffle, which can prevent the support rod from rotating with the rotation of the worm wheel. When using it, the inner diameter of the support frame can be adjusted according to different pipe diameters. It is suitable for many Various types of chemical pipelines.

The invention discloses a deformation adaptive macromolecule bearing composite material and a preparation method and application thereof, and belongs to the technical field of sliding bearings. The problems that a rubber sliding bearing friction layer in the prior art is large in low-speed friction coefficient and has stick slip noise, and a resin sliding bearing friction layer cannot adapt to stress concentration and bearing damage caused by shaft deformation are solved. A backing enhancement layer, an elastic middle layer and a friction surface layer are tightly arranged from outside to inside in sequence according to the composite material. The backing enhancement layer is prepared from fiber reinforced resin composite materials, the elastic middle layer is prepared from flexible polyurethane, the hardness value of the elastic middle layer is Shaw 70-85 A, the friction surface layer is prepared from the composite material of rigid polyurethane and lubricating agent, and the hardness value of the friction surface layer is Shaw 50-80 D. The composite material can produce adaptivity for deformation of a shaft, has low water lubrication and dry friction coefficients, produces no stick slip noise under low-speed conditions, and is applicable to being used as the sliding bearing friction layer material.

The invention relates to a full-automatic building indoor floor tile laying machine which comprises a crawler traveling device, wheeled traveling devices, an electric turntable, a redundancy parallelization mechanism, a suction device and a tile seam putty filling device. The wheeled traveling devices are symmetrically arranged on the left side and the right side of the crawler traveling device respectively, the electric turntable is positioned at the center of the upper end of the crawler traveling device and fixedly connected with the crawler traveling device, the redundancy parallelization mechanism is positioned between the electric turntable and the suction device, the lower end of the redundancy parallelization mechanism is connected with the electric turntable while the lower end of the same is connected with the suction device, and the tile seam putty filling device is positioned right above the suction device. The full-automatic building indoor floor tile laying machine integrates various functions of compound traveling, multi-degree-of-freedom direction adjusting, floor tile sucking and tile seam puffy filling fixing, can be used for laying floor tiles for municipal sidewalks and is high in automation level, laying speed and laying attractiveness, and the problem that existing floor tile laying is large in occupied space, low in laying efficiency and high in laying cost is solved.

The invention provides an electro-hydraulic hybrid power drive system of a tunneling machine and a control method and belongs to the field of tunneling machinery. The system comprises a main motor, the main motor is connected with a cutting head through a speed reducer and a cutting arm and is connected with a hydraulic pump/motor, an oil supplement motor is connected with an oil supplement pump, and the oil supplement pump is communicated with an energy accumulator, an overflow valve and a pressure sensor; an oil tank passes a first one-way valve and then is connected with an oil inlet of the oil supplement pump and an oil inlet of a two-position two-way electromagnetic reversing valve through pipelines, the two-position two-way electromagnetic reversing valve is communicated with the energy accumulator, the overflow valve and the pressure sensor, and an oil outlet of the overflow valve is communicated with the oil tank; the pressure sensor detects pressure of the energy accumulator and transmits an output signal to a controller; a rotation speed sensor detects the rotation speed of the main motor and transmits a rotation speed signal to the controller and a frequency changer. The tunneling machine can overcome a peak load smoothly during working if the tunneling machine runs across a barrier in the tunneling process, and the reliability of the tunneling machine is improved.

The invention discloses a GPS positioning device. The GPS positioning device comprises a shell, a GPS chip, an RFID chip, an electronic compass chip and a lithium battery are arranged inside the shell, a solar cell panel is arranged on the outer side of the shell, and the solar panel cell is connected with the lithium battery; the GPS chip structurally comprises a central processing module, GPS input signals enter the central processing module through a noise suppression module and a gain amplification module, GPS output signals are output by a modulation module, and the RFID chip and the electronic chip are connected with the central processing module. The GPS positioning device can overcome the defects in the prior art, due to the fact that the module with the signal filtering enhancing function is designed, the disturbing-resisting capability of the GPS positioning device is improved, the RFID chip identifies the identity of a user, the electronic compass chip provides the moving direction of the user when the GPS signals cannot be received temporarily, a solar cell can charge the lithium battery in real time, and the GPS positioning device is convenient to use and practical.

The invention relates to a novel communication wire cable fire extinguishing unmanned plane. The unmanned plane comprises an unmanned plane main body, supporting columns, a connecting disc, a redundancy parallel mechanism and a fire extinguishing device; the quantity of the supporting columns is 4, the supporting columns are respectively positioned in four vertex angles of the fire extinguishing device, the bottom ends of the supporting columns are connected with the fire extinguishing device, the top ends of the supporting columns are connected with the connecting disc, the redundancy parallel mechanism is positioned between the connecting disc and the unmanned plane main body, the lower end of the redundancy parallel mechanism is connected with the upper end surface of the connecting disc, and the upper end of the redundancy parallel mechanism is connected with the unmanned plane main body. The novel communication wire cable fire extinguishing unmanned plane carries out high-altitude fire fighting and fire extinguishing work on communication wire cables when a fire hazard occurs, and has the advantages of high automatic degree, stable and flexible flight in the fire extinguishing process, large fire extinguishing injection range, high fire extinguishing efficiency, high safety, and solving of the problem of large danger of artificial fire fighting and fire extinguishing of the communication wire cables.

The invention relates to the technical field of computer accessories, in particular to a waterproof heat dissipation base for a computer. The waterproof heat dissipation base comprises a base body; asupporting plate used for placing a host computer is arranged on the upper side of the base body; a lifting mechanism is arranged between the supporting plate and the base body; a clamping mechanism is arranged on the top of the supporting plate; and a heat dissipation mechanism is arranged on the inner side of the supporting plate. By arranging the lifting mechanism, a motor drives a rotating rodto rotate; the rotating rod drives a threaded rod to rotate through a bevel gear; the threaded rod drives a movable block to move to change the height of the supporting plate, so that water is prevented from soaking the bottom of a computer case, and the service life of equipment can be prolonged; and a spring arranged between a connecting rod and a fixed rod can achieve the damping effect to lower influnence of vibrationto the host computer and improve the device stability; and the heat dissipation mechanism is arranged, heat in the case can be absorbed through flowing of water flow, heat dissipation of the case is achieved, and the heat dissipation efficiency of the device is improved.

The invention relates to the technical field of tea machines, in particular to a tea screening device. According to the tea screening device, the technical problems that the screening effect is not ideal, and stability is poor are solved. The tea screening device comprises a mounting seat. The top of the mounting seat is fixedly connected with a base, a first vertical column and a second verticalcolumn sequentially from right to left; the top of the base is fixedly connected with a motor; an output shaft of the motor is fixedly connected with a rotating shaft through a coupler; and the rotating shaft is fixedly sleeved with a driving wheel. The motor works and operates to enable the rotating shaft to rotate, the rotating shaft rotates to enable a first swing device and a second swing device to rotate, accordingly, a swing frame can be made to swing leftwards and rightwards, impurities and crushed residues in tea fall off from a sieve, the screening effect is better through the swing frame swinging leftwards and rightwards, and the tea screening quality is improved.

The invention provides an air conditioner unit and a suspension type overhead rail vehicle with the air conditioner unit. An indoor unit of the air conditioner unit is mounted on the top of one end of a compartment of the rail vehicle, and an outdoor unit is mounted on a floor at one corresponding end of the interior of the compartment. The outdoor unit is mounted inside the compartment, and idle space at a hall can be fully and reasonably utilized; the dilemma that no place on the outer portion of the vehicle is provided for installing the outdoor unit is solved, and meanwhile installing and maintenance are also convenient; and the construction efficiency is improved, and installing quality is ensured. Meanwhile, the length of a pipe between the outdoor unit and the indoor unit is decreased, and the cost is reduced; and the outdoor unit is mounted on the floor, the stability of the outdoor unit is improved, and the running noise can be effectively reduced.