257results about How to "Reduce the impact of vibration" patented technology

The invention discloses a temporary speed limiting method in an urban rail transit CBTC (communication based train control system) mode. The temporary speed limiting method includes starting normal route control after uploading and confirming temporary speed-limiting information before power interruption through a data storage unit, uploading the temporary speed-limiting information periodically to an automatic monitoring system from the data storage unit, performing interactive confirming twice between the data storage unit and the automatic monitoring system, dividing the temporary speed-limiting information and then downloading the same through the data storage unit, receiving the temporary speed-limiting information and feeding the information back to the data storage unit and then downloading movement authority speed-limiting instructions by zone controllers, saving feedback results by the data storage unit, and performing speed-limiting brake to trains through an automatic protection system. With the temporary speed limiting devices in the urban rail transit CBTC mode, the defect that effective speed limiting can be carried out by completely depending on real-time communications between dispatchers and drivers in the conventional speed limiting measures is overcome, the safety coefficient is increased, and running safety is guaranteed. The invention further discloses a temporary speed limiting system.

The invention provides a multi-lens aerial shoot cloud deck. The multi-lens aerial shoot cloud deck comprises a shell, a first camera, two camera mounting shells, two second cameras and two sets of rotary driving mechanisms, wherein the first camera is fixedly arranged in a mounting chamber of the shell; the visual axis direction of the first camera is vertically downward; a view opening is formed in the surface, corresponding to the first camera lens, of the shell; the two camera mounting shells are arranged below the shell; the two second cameras are obliquely and fixedly arranged in the inner cavities of the two camera mounting shells respectively; the visual axis direction of the second camera is obliquely downward; view openings are formed in the surface, corresponding to the second cameras, of the camera mounting shells; the two sets of rotary driving mechanisms are both arranged in the mounting chamber of the shell; each set of rotary driving mechanism is respectively connected with one camera mounting shell and drives the camera mounting shell to rotate in the horizontal plane. The multi-lens aerial shoot cloud deck is small in size and simple in structure, the shooting angle is flexibly adjusted, and a relatively large shooting visual field is easy to be obtained.

The invention relates to a controlled blasting construction method for a rock foundation pit. The method comprises the following steps: detecting a cutting line; with the cutting line as a reference line, locating the periphery of a foundation pit to excavate a damping groove; vertically excavating a damping groove in the cutting line, wherein the interior of the damping groove is a blasting area and the exterior of the damping groove is a protective area; blasting and excavating the foundation pit: crushing rocks after blasting and removing slag; and cutting and blasting the foundation pit in a layered way: repeating excavation of the damping groove and blasting of the blasting area, excavating the damping groove in a layered way, blasting and excavating the foundation pit until the foundation pit is completely excavated. The damping groove is excavated in the excavating area of the rock foundation pit so as to stop blasting vibration propagation in the excavating area and reduce vibration influences on the rock wall and the surrounding structure of the foundation pit; a cutting reference is randomly corrected by using an outwardly moving rechecking line of the foundation pit cutting line so as to satisfy requirements on foundation pit excavating accuracy; the controlled blasting construction method for the rock foundation pit, provided by the invention, has the advantages of simple process and no damage to a foundation pit surrounding rock structure and is suitable for excavating various earth-rock foundation pits; both excavating efficiency and safety can be taken into account; and the foundation pit blasting safety and the foundation pit excavating accuracy are enhanced.

The invention discloses a geocell reinforced rubber particles-sand mixture compound shock insulation layer and strip, which belongs to the technical field of structure shock absorbing and shock insulation, and is mainly used for solving the problem of serious destructions of a general multi-story building in an earthquake. According to the invention, the compound shock insulation layer and strip are manufactured by the filling and layered punning of rubber particles-sand mixture mixed by an optimal mix proportion in geocell inner layers; the shock insulation layer is arranged at the bottom of a base; shock insulation strips are arranged on two sides of the base; the geocell is a geotechnique material which can be bought easily and is low in cost; the rubber particles are rubber fragments with certain particle diameters, and are obtained by the mechanical fragmentation of junked tires; the sands are ordinary river sands used for construction. The shock insulation layer and strip have good shock insulation effect, low cost, environmental protection, simple structure, and convenience in construction, and is generally suitable for the compound shock insulation technology of the multi-story building; the technical scheme can effectively solve the problems of bad shock resistance and serious destructions of a low story dwelling in a town, and has a wide application prospect.

The invention relates to an apparatus for measuring parallel of laser beam, which adopts the tested light beam, diaphragm, a convergence lens, a semi-transmitting reflector, two column lenses, two four-quadrant detectors and a computer to form the measuring apparatus; it also adopts a convergence lens a semi-transmitting reflector, two column lenses, two four-quadrant detectors to form light beam parallel detector; it does light beam parallel detecting based on image diffusion focusing error detecting. It adopts differential method to eliminate the detecting error from the incidence light off-axis. It can own any sensitivity and linear range by designing the optical system; especially be suit for detecting the light caliber with high quality, and the laser beam with small diffusing angle and rotational symmetry.

The invention provides a laser round-cutting machine. The laser round-cutting machine comprises a bottom box; a supporting platform is fixedly connected to the middle position of an inner cavity of the bottom box; a bidirectional motor is fixedly connected to the top of the supporting platform; first bevel gears are fixedly connected to the two sides of the bidirectional motor through couplings; second bevel gears are in engaged transmission with the surfaces of the first bevel gears; first threaded rods are fixedly connected to the sides, away from the first bevel gears, of the second bevel gears; a round cutting box is fixedly connected to the top of the bottom box; an object loading platform is arranged in the middle position of the top of the bottom box; flat plates are in threaded connection with the ends, away from the second bevel gears, of the first threaded rods; and clamping devices are fixedly connected to the top of the flat plates. The invention relates to the technical field of machinery. The current situations that an existing round cutting device is not ideal, low in efficiency, small in machining range and small in machining thickness, and safety problems are easyto occur during the machining process are solved; and data are set, so that fully-automatic operation of the round-cutting machine is achieved, manual operation during the whole process is not required, and personal safety is protected.

The invention aims at providing a three-freedom-degree hydraulic drive heavy load stabilizing platform, which consists of parts including a transverse rocking mechanism, a transmission mechanism, a longitudinal rocking mechanism, a transverse rocking servo drive executing mechanism, a yawing mechanism, a base, a yawing servo drive executing mechanism, a longitudinal rocking servo drive executing mechanism, a hydraulic support shock absorption mechanism, a stabilizing platform deck and the like. An optical fiber gyro is used as an inertia measurement device for measuring transverse rocking, longitudinal rocking and yawing information of a carrier, so that the transverse rocking servo drive executing mechanism, the longitudinal rocking servo drive executing mechanism and the yawing servo drive executing mechanism are controlled; and the compensation on the disturbance received by the stabilizing platform in the transverse rocking, longitudinal rocking and yawing directions is realized, so that the stabilizing platform deck is always in a horizontal stable state. The three-freedom-degree hydraulic drive heavy load stabilizing platform has the advantages that the compensation on the interference received by a boat in the transverse rocking, longitudinal rocking and vertical swinging directions is realized, and the relatively still state is always maintained.

The invention discloses a wireless indicator mounted on a pumping unit based on laser distance measurement for receiving and sending data with a remote control system for drawing indicator diagrams, a wireless indicator system and an indicator diagram measuring method thereof. The wireless indicator comprises a laser displacement sensor, a pressure load sensor, an acquiring amplification module, a core processing module and a wireless communication module, wherein the laser displacement sensor emits laser to measure the vertical displacement with the ground to output a displacement value. The wireless indicator of the invention directly measures the displacement by the laser displacement sensor, so that the influence from the vibration of the pumping unit is small, the precision of the indicator diagrams of the wireless indicator is improved, and the troubles of the existing indicators incapable of well measuring large stroke and under stroke of the pumping unit are solved. The wireless indicator system has at least one wireless indicator respectively mounted on different pumping units for respectively acquiring data of a plurality of oil wells to send to the remote control center to realize the area networking measurement.

The invention discloses an unmanned aerial vehicle flight controller attitude calculation and control method. The attitude calculation method includes a first attitude matrix obtained by fusing an accelerometer with a magnetometer, a second attitude matrix obtained by fusing a gyroscope and a third attitude matrix of the previous control period, and a third attitude matrix including high-precision attitude information obtained by fusing the first attitude matrix and the second attitude matrix. The attitude control method takes the attitude space vector as the control object, obtains the control quantity of each motor according to the third attitude matrix, and realizes the attitude control of the unmanned aerial vehicle. The attitude calculation and control method can be applied to the control of all the attitudes of the unmanned aerial vehicle, and is high in real-timeness and stable in attitude calculation and control.

The invention discloses a glass thickness deviation detector. A column is provided with a work panel, the work panel is provided with a control panel, the control panel is provided with a fixed plate, the fixed plate is provided with a fixed support, the fixed support is provided with a detection contact device, and one end of the detection contact device is provided with a contact head; the work panel is fixedly connected with a support frame, the bottom of the support frame is provided with a positioning device, the positioning device supports a driver, the driver is provided with a rotating shaft, the work panel is further provided with a displacement adjusting device, and the displacement adjusting device is connected with a cross bar in a sliding manner; and one end of the rotating shaft is fixedly connected with a rotating disk, and the rotating disk is provided with a clamping piece. The rotating disk rotates to obtain thickness data of the same glass in different positions, the average thickness is defined as the glass thickness, the glass thickness is compared with the standard thickness of glass, unqualified finished glass is removed, the detection efficiency is improved, and the precision of glass thickness deviation detection is improved.

The invention provides an outer cavity type electrooptically tuned laser device, wherein an adopted electrooptically tuned filter adopts a liquid crystal Fabry-Perot cavity with very short cavity length and can ensure that only one mode of the fixed Fabry-Perot cavity of the filter is selected within one period interval, a broadband film is used for filtering periodic multiple waves generated by the fixed Fabry-Perot cavity and only reflecting wavelength of one peak to an optical resonant cavity, then one peak of a longitudinal mode of the optical resonant cavity can be adjusted to a main peak of the electrooptically tuned filter through an electrooptically tuned liquid crystal phase compensator, then single mold output of laser can be ensured, and the stability and reliability of the output of the laser can be improved.

The present invention provides an automatic feeder device for lathe. Said automatic feeder device is placed by workpiece holder of lathe, and includes the following several portions: material-supporting pipe placed on the machine frame, material-feeding cylinder placed at one side of said material-supporting pipe, slide plate fixedly connected on said material-feeding cylinder and can be axially moved along the material-supporting pipe and two material-feeding devices through which the rod material can be passed are placed on the machine frame. Said two material-feeding devices include one mobile material-feeding device and one fixed material-feeding device. Its operation is convenient, stable and reliable.

The invention provides a device for preventing object inversion and vibration based on axial rotation and relates to the field of object packaging protection. The device is mainly used for preventing object inversion and vibration in the transportation process and also used for decorative packaging. The invention provides an anti-inversion device which comprises an outer protective support unit, a stabilizer and an internal holder. The outer protective support unit is composed of one or more frames or modified from a box, and functions in supporting and protecting. The stabilizer is composed of two or more rotating frames which are orderly arranged inside, wherein adjacent rotating shafts are perpendicular to each other; the action of the external force on an object under the action of gravity is weakened in an oscillating manner by use of two to three superposed axial rotational degrees of freedom, and finally, the object is kept upright. The rotating shaft frame is provided with two axes of symmetry perpendicular to each other, and convex rotating shafts and through holes are distributed symmetrically. The holder is fixedly mounted in the internal rotating shaft frame in a pin hole connection manner; the holder and the internal rotating shaft frame can be of various simplified structures, or can be injection-molded integrally.

The invention provides an anti-seismic cable bridge which comprises a cable placing frame, a bottom end fixing plate and two upper end fixing seats. A buffer adjusting plate is arranged on the bottom end fixing plate, a bottom end anti-seismic mechanism is arranged between the buffer adjusting plate and the bottom end fixing plate, and the cable placing frame is slidably installed on the upper end face of the buffer adjusting plate. Fixing shaft bodies are arranged between the two upper end fixing seats and the bottom end fixing plate, a multi-stage anti-seismic mechanism is arranged between the fixing shaft bodies and the side wall of the cable placement frame, the multi-stage anti-seismic mechanism comprises two rod sleeves, and the two rod sleeves are slidably installed on the outer side walls of the two fixing shaft bodies correspondingly; the side walls of the two rod sleeves are both provided with two damping sleeves fixedly connected with the rod sleeves, the inner side walls of the two damping sleeves are both provided with buffer shaft bodies slidably connected with the inner side walls of the damping sleeves, the cable bridge is simple in structure, the adverse effect on the whole cable bridge when vibration is generated can be effectively reduced, and therefore the safety of the whole bridge is improved.

The invention discloses a novel tape winding device for a tape machine. The structure of the novel tape winding device for the tape machine comprises a base, wherein the base further comprises fixed frames, electric telescopic rods, an alarm, supporting columns, a controller and a quick stop button. The fixed frames are fixedly connected to both sides of the upper end of the base in fixed and connected mode, the electric telescopic rods are fixedly connected to the middle of the upper end of the base, the alarm is fixedly connected to the front face of the right side of the base, the supporting columns are fixedly connected to both sides of the bottom of the base, the controller is fixedly connected to the middle of the front face of the base, and the quick stop button is fixedly connectedto the left side of the front face of the base. According to the novel tape winding device for the tape machine, a dust-proof plate is arranged to prevent dust on a roof from falling on a tape; a limit block is arranged to be matched with a shock absorption spring, the tape deviation is prevented, and the motor vibration is reduced; a pressure sensor is arranged to measure the weight of a reel shaft; and the electric telescopic rods are arranged to be matched with a cutting tool, and the tape is cut directly after winding is finished.

The invention discloses a hot melt extruder for thin film packaging material processing. The holt melt extruder comprises a machine body which is a horizontally arranged cylinder, wherein an inner barrel is arranged inside the machine body; the inner barrel and the machine body are coaxially arranged; a material bin is arranged at the left upper side of the machine body; the bottom end of the material bin is connected with an unloading tube which is vertically arranged; a feeding connector is arranged at the upper side inside the unloading tube; and the feeding connector comprises a screw, a screw blade arranged on the outer wall of the screw and a motor connected with the screw. The hot melt extruder for thin film packaging can be used for continuously and uniformly feeding without a blocking phenomenon, can pre-pulverize raw materials, effectively improves extruding efficiency, can replace an extrusion mould head without stop, is convenient to clean and replace, an does not need manual operation; cooling speed in an extruding device can be controlled through a solenoid valve and a temperature sensor, so that the cooling effect is guaranteed; besides, the vibration reducing effect is good, the positioning effect is good, working stability of the extruder is improved, and noises generated by vibration are effectively reduced.

The invention relates to the field of robots, in particular to an autonomous mobile cruise and control robot. The robot comprises a driving device, a panoramic stereoscopic camera shooting tripod head, an environment detection device mounting base, a remote operation controller and two mounting platforms, wherein the two mounting platforms are arranged above the two ends of the length direction ofthe driving device through first damping buffering mechanisms correspondingly, the two first damping buffering mechanisms are arranged at the two ends in the length direction of the driving device correspondingly, the top of each first damping buffering mechanism is hinged to the corresponding mounting platform, the panoramic stereoscopic camera shooting tripod head and the environment detectiondevice mounting base are arranged on the two mounting platforms correspondingly through second damping buffering mechanisms, each second damping buffering mechanism is fixedly arranged at the upper end of the corresponding mounting platform, and the remote operation controller controls the driving device and the panoramic stereoscopic camera shooting tripod head. According to the robot, people canbe replaced for exploration detection and MR stereoscopic video acquisition, and people with a head-mounted MR display helmet can observe a scene shot by the robot at a long distance, and the MR is driven through the head action to adjust the shooting direction of the robot.

The invention discloses an electrical control cabinet. The electrical control cabinet comprises a cabinet body (100), a base (200) and an electric shock absorption part, wherein the base (200) is positioned at the bottom of the cabinet body (100); and the electric shock absorption part is arranged between the base (200) and the bottom of the cabinet body (100) so as to support the cabinet body (100) on the base (200). By adoption of the electrical control cabinet, the problem that the electrical control cabinet is damaged due to vibration caused by jolting in a transportation process is solved.

The invention discloses an automatic early warning and monitoring device system for urban road underground collapse, and belongs to a road geological disaster monitoring technology. According to the technical scheme, the system is characterized by comprising an underground early warning device and an overground early warning information receiver; a signal transmission module, a displacement sensor, a power supply and a power switch are fixedly connected to the side wall of the cavity in the body and are connected in series through wires; a horizontal transverse shaft is arranged in the sealedcavity, the two ends of the transverse shaft are rotationally connected with the inner wall of the cavity through bearings, and a displacement line is wound on the transverse shaft; a containing groove is formed in the lower end of the body, a falling body is arranged in the containing groove, one end of the displacement line is connected with the power switch, the other end of the displacement line enters the containing groove to be fixedly connected with the falling body, and the displacement sensor is close to the displacement line. The problem that the conventional monitoring technology isnot suitable for directly monitoring the underground collapse of the urban road is solved, and the effect of early warning before the pavement collapse is formed is achieved.

The invention discloses a contra-rotating gas compressor structure and a composite type anti-whirling device structure suitable for a contra-rotating gas compressor air entraining system. The composite type anti-whirling device structure is characterized in that a first-stage gas compressor wheel disc and a second-stage gas compressor wheel disc reversely rotate in a coaxial manner, the contra-rotating gas compressor structure is formed, and outer edge check rings of the first-stage gas compressor wheel disc and the second-stage gas compressor wheel disc form the air inlet slot of the contra-rotating gas compressor air entraining system; fin type anti-whirling devices are evenly distributed on the high radius position along the circumference, and fixed to the first-stage gas compressor wheel disc, and tubular anti-whirling devices are evenly distributed on the low radius position along the circumference, and mounted on the second-stage gas compressor wheel disc through a tubular anti-whirling device holder. Through the composite type anti-whirling device structure of the high-radius fin type anti-whirling devices and the low-radius tubular anti-whirling devices, the airflow pressure losses of the contra-rotating gas compressor air entraining system can be effectively reduced, the system stability and reliability are greatly improved, meanwhile, the fixed manner is simple and reliable, mounting is convenient, and later-period maintenance and repair can be achieved.

The invention discloses a hard disk shock absorber of an on-board computer system. The hard disk shock absorber of the on-board computer system comprises a shock absorption support, wherein the shock absorber support comprises a hard disk upper support, a hard disk bracket and a hard disk lower support, the hard disk bracket is arranged between the hard disk upper support and the hard disk lower support, a lifting platform is arranged in the middle of the hard disk bracket, shock absorption platforms are arranged on the two sides of the lifting platform, an elastic part is arranged between the shock absorption platforms and the hard disk upper support, shock absorption columns with guiding are arranged between the hard disk bracket and the hard disk lower support, and a pull spring is arranged between the hard disk bracket and the hard disk lower support. The hard disk shock absorption support is fixed on the front portion in an on-board computer in the vertical direction, and a hard disk is fixed in the shock absorption support, and is fixed on the horizontal direction which is vertical to a vehicle plane. The hard disk shock absorber of the on-board computer system effectively reduces influence of various frequency of shock in various directions of a vehicle by utilizing the elastic part, the shock absorption columns and the pull spring, thereby effectively releasing shock produced during the driving process of the vehicle, and really achieving the shock absorption effect.

An electromagnetic anti-vibration apparatus comprises an anti-vibration apparatus platform, a vibrating base, a spring, an electromagnetic coil, a displacement sensor and a control circuit board. The size of electromagnetic force can be controlled according to the size of elasticity of the spring, and vibrating influence of a vehicle is further relieved.

The invention discloses a chemical filter press provided with a damping device. The filter press comprises a base, a support seat, a hydraulic cylinder 3, a cylinder body, a filter barrel, a press plate, air cylinders, filter plates, filter holes, a plug and a water pipe, wherein the support seat is located at the top of the base, the support seat is in threaded connection with the base, the hydraulic cylinder is located at the top of the support seat and is in threaded connection with the support seat, the cylinder body is located at the top of the base and is in threaded connection with the base, the filter barrel is located at the bottom end in the cylinder body and in threaded connection with the cylinder body, and the press plate is located at the bottom end of the hydraulic cylinder. The chemical filter press provided with the damping device is simple in structure and has powerful functions, manual operation is replaced, the workload is reduced, solid-liquid separation is realized, liquids are directly discharged together with pressed materials, and manual material discharge is replaced, so that the working efficiency is improved; besides, the damping effect is good, the positioning effect is good, the work stability of a cutting machine is improved, and noise caused by vibration is effectively reduced.

An automatic vehicle connecting device comprises a hanging hook mechanism. The hanging hook mechanism comprises a connecting nut, and the connecting nut is inserted and hinged to a connecting seat; an involute groove is formed in the connecting seat; and a vibrating idler wheel is arranged at the connecting end of the connecting nut, and the vibrating idler wheel is arranged in the involute groove in a supported manner. An inner oriented cone is arranged at the butt joint end of a casing, a connecting screw and a first driving assembly are arranged in the casing, and an output shaft of the first driving assembly is limited in the peripheral direction and movably inserted into the connecting screw in the axial direction. A turning mechanism comprises a swinging shaft, one end of the swinging shaft is fixedly connected with the casing, and the other end of the swinging shaft is hinged to a base; the two ends of the base are respectively connected with the two ends of an involute limiting rail; a guiding wheel is arranged on the swinging shaft in a sliding manner, and the guiding wheel is supported by the involute limiting rail; and an elastic assembly is arranged on the swinging shaft. A centering mechanism comprises a screw nut, the screw nut is arranged on a screw in a sleeving manner, the screw is driven by a second driving assembly, and the first driving assembly, the second driving assembly and a photoelectric sensor are respectively and electrically connected with a controlling system. The automatic vehicle connecting device is suitable for vehicle connection.

The invention discloses a hook mechanism for an automatic vehicle connecting device. The hook mechanism comprises a connecting nut and a shell. The connecting end of the connecting nut is horizontally hinged and inserted into a connecting base on a working position apparatus vehicle. An involute groove is formed in the connecting base. The connecting end of the connecting nut is provided with a telescopic vibration roller which is supported in the involute groove in a rolling mode, the butting end of the shell is provided with an inner guide conical face matched with the abutting end of the connecting nut, and a connecting screw rod matched with the connecting nut and a first driving assembly used for driving the connecting screw rod to rotate are arranged in the shell. The first driving assembly is electrically connected with a control system. An output shaft of the first driving assembly is movably inserted into the connecting end of the connecting screw rod in the axial direction in a circumferential limiting mode, and the abutting end of the connecting screw rod faces the abutting end of the connecting nut. The hook mechanism is applicable to vehicle connection.

The invention discloses a breathing self-adaptive portable oxygen generator. The oxygen generator comprises a device shell and a support plate arranged at the bottom of the device shell; caster wheelsare arranged at corner positions of the bottom of the support plate; a damping mechanism is arranged between each caster wheel and the support plate; a handle is arranged at the top of the device shell; and an oxygen generator main body, an oxygen temporary storage box and an oxygen leading-out cylinder are fixedly arranged in the device shell from bottom to top in sequence. The device has the advantages that the structure is simple, the design is ingenious, the oxygen inhalation amount during breathing can be accurately controlled to prevent the phenomenon of excessive oxygen inhalation, self-adaptive and more accurate control of the oxygen inhalation amount of people can be ensured, and safety is high. Through arrangement of elastic cross cranks and elastic damping pieces, the effects of damping, energy absorbing, energy releasing and energy dissipating can be achieved, so that influence of excessive vibration on the whole device in a moving process can be reduced, and the service life of the whole device can be guaranteed.

The invention discloses a method to replace soft soil stone fill with medicine limited directional explosion, which is characterized by the following: adopting built-in method; processing explosive materials not more than 12 kg to pen shaped charge; imbedding dip under soil with boring tool; igniting the charge orderly; forming mud-rock flow with rock rip-rap body; sliding to stone shaped state of blasting design; cycling; forming stone body state of design engineering. This invention is simple, safe and easy, which can decreases the influence of the shock after explosion.

The invention discloses a dust-free concrete aggregate batching device.The dust-free concrete aggregate batching device comprises a fixed base and an aggregate storage tank arranged over the fixed base, the fixed base is provided with a weighing device located under the aggregate storage tank, and an aggregate receiving box is arranged over the weighing device; the top of the aggregate receiving box is provided with an aggregate receiving pipe pointing to the aggregate storage tank, the bottom of the aggregate storage tank is provided with a discharge pipe extending into the aggregate receiving pipe, and a dustproof ring is arranged between the outer circle of the discharge pipe and the inner wall of the aggregate receiving pipe.According to the dust-free concrete aggregate batching device, the dustproof ring can prevent dust from being generated at the joint of the discharge pipe and the aggregate receiving pipe and reduce the vibration influence of the discharge pipe on the aggregate receiving pipe, the working precision of the weighing device is improved, the device is beneficial for improving the concrete quality, operation is convenient, and use is flexible.

The invention discloses a portable electrocardiogram device with a shockproof function. The portable electrocardiogram device comprises a supporting plate, an electrocardiogram external machine and abase. A buckle plate is fixed to the upper portion of the supporting plate, and a magnetic attraction block is installed in the middle of the buckle plate; transverse-pressing rods are arranged on theupper side and the lower side of the surface of the supporting plate correspondingly, and vertical-pressing frames are installed on the left side and the right side of the surface of the supporting plate correspondingly; a display screen is arranged on the surface of the electrocardiogram external machine, and the electrocardiogram external machine is located between the transverse-pressing rods;and first fixed gears are installed on the left side and the right side of the base correspondingly, and the base is located on the lower portion of an embedding sleeve. According to the portable electrocardiogram device, through the retractable property of retraction rods, the electrocardiogram external machine can be fixed and clamped by clamping plates; and the electrocardiogram external machine is clamped and fixed by the transverse-pressing rods in a vertically upward mode, and is clamped and fixed by the vertical-pressing frames in a transversely upward mode, so that the electrocardiogram external machine is fixed to the supporting plate, and the electrocardiogram measuring error caused by the fact that the electrocardiogram external machine is placed on the supporting plate unstably is avoided.

The invention discloses a highly automated fly ash curing device. The highly automated fly ash curing device comprises a bottom plate, a quantitative discharging structure, a chelating agent mixing structure, a chelating structure, a curing structure and an unloading structure. A supporting table is arranged on the left side of the upper surface of the bottom plate, brackets are symmetrically arranged left and right in the middle of the upper surface of the bottom plate, the inner arc-shaped walls of the brackets are fixedly connected to an outer arc-shaped surface of a chelating barrel, L-shaped plates are symmetrically arranged front and back on the right side of the upper surface of the bottom plate, a metering water pump is arranged on the left side of the upper surface of the bottom plate, a water outlet in the right side surface of the metering water pump communicates to a water inlet in the lower end of the left side surface of the chelating barrel through a pipeline, and a conveying pipe is arranged at a discharge position at the lower end of the right side surface of the chelating barrel. The highly automated fly ash curing device can control the discharging amount of materials and further can overturn and chelate the internal materials, so that fly ash is cured to cement and the materials can be air-dried and cured quickly. Influence caused by vibration when equipmentoperates can be further reduced, and the stability of an integral structure is protected.