40results about How to "Vibration does not affect" patented technology

The invention discloses a control method, device and system for alarm clock rings, and belongs to the technical application field of wireless communication. The method comprises the steps that the remaining time of remotely-set ringing time is detected; when the remaining time is the set time, obtaining information is sent to an intelligent hand ring, wherein the obtaining information is used for obtaining sleep state information of a user; the sleep state information sent by the intelligent hand ring is received, and the sleep state of the user is determined according to the sleep state information; according to the sleep state, vibration prompt information is sent to the intelligent hand ring, wherein the vibration prompt information is used for indicating the intelligent hand ring to vibrate. According to the control method, device and system for the alarm clock rings, the user is awakened through vibration of the intelligent hand ring; due to the fact that the intelligent hand ring is worn on the wrist of the user, the user can be awakened without too large vibration intensity or too loud ringing sound; the intelligent hand ring will not influence the rest of the other people due to the fact that the intelligent hand ring is worn on the wrist of the specific user; in addition, due to the fact that vibrations with different intensities are adopted according to the sleep state of the user, user experience is better.

This invention relates to one high voltage transmission test method and fault test device, which is fixed on remote helicopter for high voltage transmission wire for automatic recycle line to realize automatic fault test, wherein, it relates to one remote helicopter fixed GPS receiver, circuit trace system, high voltage circuit distance keeper, 3G real time transmission system, distance recorder and one hanging chamber with one portable test bench for recycle and to send the images through 3G into user terminal for online test.

The invention discloses a device and method for building a trench slope gravity erosion process field test. The device comprises an outdoor test room, trench slope geography, a rainfall simulation device and a gravity erosion observation device. The outdoor test room comprises an outdoor test room body capable of being assembled and a movable rainproof observation room body placed inside the outdoor test room body. The trench slope geography is a generalization slope cut in a field according to typical geomorphic features of a studied area. The generalization slope is separated from the surrounding through steel sheet pile side walls. The rainfall simulation device comprises components including a three-barrel pressure-stabilizing water feeder, a movable assembling multi-micro-spraying-nozzle combined type rainfall device, a water collecting groove and the like. The gravity erosion observation device comprises a geography instrument main machine, a movable assembling slumping face observation support and a sight line calibrator. According to the device and method for building the trench slope gravity erosion process field test, a good observation environment is created for observation of a geography instrument through the test room, the main building components are all assembling movable facilities, the simulation and observation devices can not be disturbed, and observation accuracy is guaranteed.

The invention discloses a neck massager with a neck protective pad, including a main case, wherein annular neck plates are rotatably connected on both sides of the main case, sliding grooves are arranged on the opposite sides of the two annular neck plates, sliding blocks are slidably connected on the surface of the sliding grooves, two cylinders are fixedly connected on one side of the sliding blocks, the inner surfaces of the cylinders are fixedly connected with connecting columns through trapezoidal blocks, and one end of the connecting columns is fixedly connected with an elastic disk. Theinvention relates to the technical field of neck massager. According to the neck massager having a neck protective pad, the neck is supported by an elastic disk on the connecting column, then throughthe hanger buckle and the buckle ring on the elastic rope to carry on the limit, and then utilizes the shock-absorbing ball to absorb the shock, not only avoided the cervical vertebra partial pressure, causes the blood not to circulate, enhanced the neck massage effect, moreover may cause the massage device in the cervical vertebra the vibration not to affect the cervical vertebra both sides to produce the vibration, enhances the massage the comfort degree.

The invention relates to a working protection device for a blast vibration sensor, and belongs to the field of safety protection of sensors. The device comprises an outer protective layer, an outer protective cover, a side energy consumption ring, a top energy consumption ring, an inner protective cover, filling particles, a shock-insulation supporting seat and a sensor connection hole. When blasting occurs, blasting gravels and dust generated by the blasting are directly obstructed by an outer rubber protective layer, generated larger blasting flying stones and blasting shock wave are blockedby the outer protective layer, the outer protective cover, the side energy consumption ring, the top energy consumption ring, the inner protective cover and the filling particles together, vibrationtransmitted into the ground is reduced through the shock-insulation supporting seat, and the device is prevented from absorbing the vibration of the ground to affect the monitoring. The working protection device for the blast vibration sensor can resist the pressure waves and vibration waves in the blasting shock waves and the impact of the blasting flying stones, can protect the sensor and ensurethe smooth progress of the blasting monitoring.

A vibration part feeding apparatus is provided to easily generate vibration suitable for feeding parts by effectively preventing generation of vertical vibration resulting from horizontal vibration. A middle vibration body is connected to an upper vibration body for assembling a groove (a part feeding component) by means of a second plate spring (an elastic component for vertical vibration) facing towards a horizontal direction. The middle vibration body is connected to a base by means of a first plate spring (an elastic component for horizontal vibration) facing towards a vertical direction. When the groove is made to vibration with a natural vibration frequency Fh of the horizontal direction, the amplitude Vv of vertical vibration generated by the groove is over 6dB smaller than the amplitude Vh of the horizontal vibration generated by the groove. Accordingly, the amplitude of vertical vibration resulting from the horizontal vibration of the groove can be reduced, and the desired vibration suitable for parts moving can be easily achieved.

The invention discloses a rod screening and feeding machine which comprises a feeding machine tank composed of a feeding tank (9), a bar section (10) and a fine screen (11). The feeding machine tank is provided with an excitation system. The excitation system is a double-shaft excitation device. The excitation system is arranged on the lower portion of the feeding machine tank. According to the structure of the double-shaft excitation device, a control system of a motor (1) is connected with a frequency converter (2), a main shaft of the motor (1) is connected with a main eccentric shaft (5) through a flexible coupler (3), and the main eccentric shaft (5) is connected with an auxiliary eccentric shaft (7) through a gear (6) in a transmission mode. The rod screening and feeding machine is large in excitation force and high in processing ability, and the feeding quantity can be convenient to adjust.

The invention discloses a handheld electric angle grinder which comprises a stator shell and an electric control unit, wherein the stator shell is correspondingly divided into a transmission cavity, a motor cavity and a circuit cavity by a front cover, a middle cover, a bearing chamber and a rear cover in turn from front to back; a transmission component is arranged in the transmission cavity; a motor is arranged in the motor cavity; a control circuit of the motor is arranged in the circuit cavity; a power interface is arranged on the rear cover; the control circuit is electrically connected to a corresponding port of the power interface; a rotating shaft of the motor is connected to an output shaft of the transmission component; after the output shaft of the transmission component extends out of the front cover, a grinding wheel is arranged on end part of the output shaft; the motor is a three-phase asynchronous motor; the electric control unit is positioned outside the stator shell; and the electric control unit is electrically connected to the control circuit of the high-frequency three-phase asynchronous motor through the corresponding port of the power interface. The invention also discloses a handheld electric angle grinder, the electric control unit of which is arranged in the stator shell. The handheld electric angle grinder provided by the invention has no commutator and is more reliable in running.

The invention discloses a two-dimensional high-frequency micro-amplitude vibrator based on a flexible parallel mechanism. The vibrator comprises four symmetrically arranged micro-vibration branch chains and a micro-vibration platform, wherein each of the micro-vibration branch chains is composed of four pairs of perfect circular flexible hinge combinations, a pair of straight beam flexible hinge combinations, a pair of straight beam structures and two groups of rod members, and micro-amplitude vibration in a single direction can be generated; the micro-vibration platform is composed of two pairs of beam plate structures and vibrators and can transfer micro-amplitude vibration in two vertical directions. The four micro-vibration branch chains are symmetrically arranged in the form of a cross, and each of the micro-vibration branch chains generates the micro-amplitude vibration in one direction. The micro-amplitude vibration in the single direction is generated by five pairs of flexible hinges, one pair of straight beam structures and two groups of rod members. Vibration generated by the micro-vibration branch chains is transferred by using the beam plate structures. A guiding function to vibration in one direction is realized by using one pair of beam plate structures. The designed micro-vibrator can be used in the fields of ultra-precision machining, bioengineering, nano science and technology and the like.

The invention discloses a coal gangue separating device for intelligent separation of coal gangue. The coal gangue separating device for intelligent separation of coal gangue comprises a separating chamber; a feeding port is formed in the top of the separating chamber; a supporting rod is vertically inserted and connected in the middle of the separating chamber; a jacking mechanism is arranged atthe upper end of the supporting rod; a plurality of supporting grooves are formed in the segment, located in an inner cavity of the separating chamber, of the supporting rod; a screening plate is placed in each supporting groove; a plurality of screening holes are formed in each screening plate, and the density of the screening holes in the screening plates is sequentially increased from top to bottom; the other ends of the screening plates are rotationally connected with the side wall of the separating chamber; and a discharging box is arranged at the end, located on the screening plates, ofthe separating chamber. According to the coal gangue separating device for intelligent separation of the coal gangue, due to vertical movement of the supporting rod, one end of each screening plate islifted or lowered through the corresponding supporting groove, and the angles of the screening plates are changed, and are adjusted according to coal gangue macadam in different numbers so that the coal gangue macadam can be better screened.

The invention relates to a working protection device for a blast vibration sensor, and belongs to the field of safety protection of sensors. The device comprises an outer protective layer, an outer protective cover, a side energy consumption ring, a top energy consumption ring, an inner protective cover, filling particles, a shock-insulation supporting seat and a sensor connection hole. When blasting occurs, blasting gravels and dust generated by the blasting are directly obstructed by an outer rubber protective layer, generated larger blasting flying stones and blasting shock wave are blockedby the outer protective layer, the outer protective cover, the side energy consumption ring, the top energy consumption ring, the inner protective cover and the filling particles together, vibrationtransmitted into the ground is reduced through the shock-insulation supporting seat, and the device is prevented from absorbing the vibration of the ground to affect the monitoring. The working protection device for the blast vibration sensor can resist the pressure waves and vibration waves in the blasting shock waves and the impact of the blasting flying stones, can protect the sensor and ensurethe smooth progress of the blasting monitoring.

The invention discloses a flexible hinge based variable-angle two-dimensional ultrasonic vibration auxiliary processing platform. The flexible hinge based variable-angle two-dimensional ultrasonic vibration auxiliary processing platform comprises a bottom plate and a vibrating block, wherein the bottom plate is matched with a seat ring of a thrust bearing through a ring-shaped table arranged on the upper surface of the bottom plate; the vibrating block is matched with a shaft ring of the thrust bearing through a circular lug boss arranged on the lower surface of the vibrating block; a plurality of flange bases are arranged in the peripheral direction of the upper surface of the bottom plate; a first ultrasonic vibrator and a second ultrasonic vibrator are separately mounted on two flange bases; an amplitude-change pole on the first ultrasonic vibrator and an amplitude-change pole on the second ultrasonic vibrator separately cling to the vibrating block tightly; a mounting base is arranged on the upper surface of the base; a first flexible hinge is mounted in a U-shaped slot of the mounting base; and the first flexible hinge tightly fits to the vibrating block. The first ultrasonicvibrator and the second ultrasonic vibrator realize two-dimensional ultrasonic vibration processing of a workpiece, so that modifying on a main shaft is avoided. The thrust bearing is mounted betweenthe bottom plate and the vibrating block, so that support, in the Z direction, of the vibrating block is realized, and vibration, in an XY plane, of the vibrating block is not affected.

The invention discloses a quality measuring system for a paralleling U-shaped tube. The system is characterized by comprising the paralleling U-shaped tube, a flow distributor, an electromagnetic vibrator and displacement signal sensors, wherein a flow inlet end of the paralleling U-shaped tube is communicated with an inlet end of the flow distributor; a flow outlet end of the paralleling U-shaped tube is communicated with an outlet end of the flow distributor; the electromagnetic vibrator is mounted at the top of the paralleling U-shaped tube; the quantity of the displacement signal sensors is two; the two displacement signal sensors are respectively mounted on the two sides of the paralleling U-shaped tube. When two paralleling U-shaped tubes are used, the oscillation phases of the two tubes are opposite to each other, so that the tube vibration is cancelled out on the main body part, like the working mode of tuning fork vibration, the surrounding pipeline cannot be influenced by the vibration, the vibration of the U-shaped tubes cannot be influenced and further the stability of the flow signature can be ensured.

The invention discloses a primary smashing device for attapulgite, and relates to the technical field of attapulgite machining. The primary smashing device for attapulgite comprises a bearing mechanism and a smashing mechanism; the bearing mechanism comprises a reaction tank, supporting legs, damping rubber rings, damping springs, a discharging pipe and a filter net; the number of the supporting legs is two; the supporting legs are symmetrically and fixed connected with the two sides of the bottom of the reaction tank; the damping rubber rings are arranged on the tops of inner cavities of thesupporting legs; the discharging pipe is arranged in the center of the bottom of the reaction tank; and the filter net is arranged on the top of an inner cavity of the discharging pipe. According to the primary smashing device for attapulgite, through unordered press vibration, the attapulgite is ground and crushed, large ore is smashed at random along with unordered crushing of the attapulgite, and accordingly the better crushing effect is achieved, and the problem that existing smashing machines mechanically operates, the attapulgite is crushed in an unordered mode and crushing is complete is avoided.

The invention relates to a weighing device of an open bag packing machine. The open bag packing machine comprises a rack which is provided with a discharge port and a discharge nozzle communicated with the discharge port, the weighing device comprises a balance support and a weighing sensor which are arranged on the rack, one end of the balance support is provided with a balance arm, a weight and a fine adjustment weight are arranged on the balance arm, the other end of the balance support is connected with the discharge nozzle, one end of the weighing sensor is fixedly arranged on the rack, and the other end of the weighing sensor is connected with the balance support. The weighing device of the open bag packing machine is simple in structure and can be used for precisely weighing and metering open bags, so that the weighing precision is greatly improved.

The present invention relates to an 8-shaped traveling wave type linear ultrasonic motor and a platform feeding device. A stator assembly includes a friction material, a stator elastomer, a piezoelectric ceramic piece and a flexible printed circuit board; the stator elastomer includes three linear segments parallel to each other; a distance formed between two adjacent linear segments is equal, andends of two adjacent linear segments are connected smoothly via arc segments to form a sealed 8-shaped structure; with the linear segment located at a middle position as a symmetric axis, adjacent arc segments are also symmetric; a surface of each linear segment is higher than a surface of each arc segment; the piezoelectric ceramic piece is matched with the stator elastomer in shape and partitioned for polarization; movers are suspended on surfaces of the linear segments of the stator elastomer; and a contact portion of each mover with the stator elastomer is a transverse portion of an I-shaped structure. According to the 8-shaped traveling wave type linear ultrasonic motor and the platform feeding device provided by the present invention, the stator elastomer is stressed more symmetrically, the fragmentation probability of the piezoelectric ceramic piece is reduced, the output thrust force and self-locking force are larger, the output efficiency is higher, and more excellent stability and controllability are achieved.

The invention relates to the technical field of machinery, and discloses an anti-blocking blueberry screening machine. The anti-blocking blueberry screening machine comprises a housing, wherein a connecting groove is formed in the inner wall of the right side of the housing; a rotating shaft is movably connected to the interior of the connecting groove; a screening frame is connected to the outer surface of the rotating shaft through a short rod; a plurality of screening holes are formed in the bottom of the screening frame; the left end of the front side of the screening frame is fixedly connected with a first connecting block; and the left end of the inner wall of the front side of the housing is fixedly connected with a motor. Through the structure provided with a sleeve and a connecting plate, a reciprocating screw rotates to drive a connecting rod and a vertical rod to move front and back, so that a fixing block, a movable rod and a movable plate are driven to move; and through cooperation of a second limiting plate on the movable plate and a first limiting plate on a semicircular block, a long plate and movable balls can be driven to ascend and descend, the movable balls enter the screening holes, and blueberries blocked in the screening holes are cleaned out, so that the use efficiency of the screening frame is improved.

The invention discloses a control method, device and system for alarm clock rings, and belongs to the technical application field of wireless communication. The method comprises the steps that the remaining time of remotely-set ringing time is detected; when the remaining time is the set time, obtaining information is sent to an intelligent hand ring, wherein the obtaining information is used for obtaining sleep state information of a user; the sleep state information sent by the intelligent hand ring is received, and the sleep state of the user is determined according to the sleep state information; according to the sleep state, vibration prompt information is sent to the intelligent hand ring, wherein the vibration prompt information is used for indicating the intelligent hand ring to vibrate. According to the control method, device and system for the alarm clock rings, the user is awakened through vibration of the intelligent hand ring; due to the fact that the intelligent hand ring is worn on the wrist of the user, the user can be awakened without too large vibration intensity or too loud ringing sound; the intelligent hand ring will not influence the rest of the other people due to the fact that the intelligent hand ring is worn on the wrist of the specific user; in addition, due to the fact that vibrations with different intensities are adopted according to the sleep state of the user, user experience is better.

The invention discloses a device and method for building a trench slope gravity erosion process field test. The device comprises an outdoor test room, trench slope geography, a rainfall simulation device and a gravity erosion observation device. The outdoor test room comprises an outdoor test room body capable of being assembled and a movable rainproof observation room body placed inside the outdoor test room body. The trench slope geography is a generalization slope cut in a field according to typical geomorphic features of a studied area. The generalization slope is separated from the surrounding through steel sheet pile side walls. The rainfall simulation device comprises components including a three-barrel pressure-stabilizing water feeder, a movable assembling multi-micro-spraying-nozzle combined type rainfall device, a water collecting groove and the like. The gravity erosion observation device comprises a geography instrument main machine, a movable assembling slumping face observation support and a sight line calibrator. According to the device and method for building the trench slope gravity erosion process field test, a good observation environment is created for observation of a geography instrument through the test room, the main building components are all assembling movable facilities, the simulation and observation devices can not be disturbed, and observation accuracy is guaranteed.

The invention discloses an electronic connector with a detection device. The electronic connector comprises a housing and an insertion rod. A groove is formed in the left side of the housing; and a connection hole is formed in the groove. A connection rod is arranged at the right side of the housing. Power switching doors are installed at the upper surface and the lower surface of the housing; andindication lamps are arranged at the front surface of the housing. Power placing boxes are arranged at the left side and the right side of the connection hole inside the housing; a first button battery is installed in the power placing box at the left side of the connection hole; and a second button battery is installed in the power placing box at the right side of the connection hole. The outersides of the two groups of power placing boxes are communicated with the power switching doors. Conductive rubbers are arranged between the power placing boxes at the two sides of the connection holeand the connection hole, wherein the two groups of conductive rubbers are not connected; and the lower ends of the connection hole and the power placing boxes are fixedly connected with a base plate.According to the electronic connector, the insertion degree of the insertion rod in the connection hole is determined by the display number of the indication lamps; and the interference from the moisture and vibration is eliminated.

The invention discloses a structure for improving rigidity of an offset type swing angle milling head. The structure comprises an inner ring rotating assembly, an outer ring fixing shell and a closedlantern ring assembly. One side of the inner ring rotating assembly is fixedly connected with a swing shaft gear, and the other side of the inner ring rotating assembly is fixedly connected with a B-axis swing shaft shell. The outer ring fixing shell is fixedly connected with a C-axis rotating shaft boss. The C-axis rotating shaft boss is fixedly connected with a machine ram. The outer ring fixingshell and the B-axis swing shaft shell are connected through the closed lantern ring assembly. The structure is installed between a B-axis swing shaft assembly and a C-axis rotating shaft assembly ofthe offset type swing angle milling head, and the B-axis swing shaft assembly is connected with the C-axis rotating shaft boss through the structure, so that tension in the gravity direction is provided through the C-axis rotating shaft boss, the bending moment generated by the offset type structure is reduced, deformation of the C-axis rotating shaft assembly is reduced, and the rigidity of themilling head is improved. When a main shaft cuts, the generated vibration cannot be directly fed back to the swing shaft gear, the vibration at the gear is reduced, the machining precision is improved, and the durability of the gear is prolonged.

The invention discloses an application device, and the application device comprises an elastic component group; the elastic component group comprises a plurality of elastic components, and each elastic component comprises a first connecting part, a second connecting part and a deformation part located between the first connecting part and the second connecting part; the first connecting part and the second connecting part are respectively connected to different components in the application device, the different components can move relatively, or the different components are relatively static; the deformation part is formed by extending the first end to the second end along the same direction or different directions in a straight line and / or curve manner; the forming mode and / or the cross section size and / or the material of at least one elastic component are / is different from those of other elastic components. The elastic components not only can be adaptively changed according to different internal environments of the application device and are good in compatibility, but also are simple and convenient to manufacture; the manufacturing process is simplified, and thinning of the product is facilitated. And the compliance of the elastic components is kept good, enough displacement can be provided, and the vibration of the vibration unit is not influenced.

The Coriolis mass flow meter of this invention comprises two parallel curved flow tubes 1 and 2, a drive unit 15, and a pair of vibration sensors 16 and 17. An inlet-side manifold 24 dividing the flow of a fluid being measured into the two flow tubes 1 and 2 from the inlet thereof, and an outlet-side manifold 25 joining the fluid flows flowing in the two flow tubes 1 and 2 to discharge from the fluid outlet thereof are mechanically connected to a meter body 30 only at the inlet side of the inlet-side manifold 24 and at the outlet side of the outlet-side manifold 25, respectively. With this arrangement, the effects of vibration transmitted from the meter body 30 and all structures connected thereto can be reduced at the joint parts between the inlet-side and outlet-side manifolds 24 and 25 that serve as vibration fulcrums.

The invention discloses a pulverizer for recycled concrete with high safety, which comprises a casing, a pulverizing device, a cooling device, a water spraying device, a shock absorbing device, a material distributing device and a screening device. In the present invention, by setting the impact block and the crushing block, the crushing block can be used to crush the concrete when the first crushing roller and the second crushing roller move relative to each other, and the crushing device will not be overheated during operation by setting the cooling device and the water spraying device , By setting the shock absorbing device, the vibration generated by the crushing device will not affect other devices, and by setting the material dividing device and the screening device, the coarse aggregate and fine aggregate can be collected separately, which is more efficient.

The invention belongs to the technical field of electrical control, in particular to an anti-vibration electrical control box. Service life of an electrical control box in the prior art is affected because of vibration outside the electrical control box. In order to overcome problems existing in the prior art, the technical scheme is that the anti-vibration electrical control box comprises a box body, wherein the box body is provided with a display screen and an operation panel, and outer walls of the box body is divided into three layers, namely, a metal shell, anti-vibration filling materials and an inner layer metal support from outside to inside. The anti-vibration electrical control box can absorb outside vibration, and therefore the vibration can not affect inner electrical elements.

The invention belongs to the technical field of chicken raising feeding, particularly relates to a chicken raising feeding device capable of quantitatively feeding. The chicken raising feeding deviceaims at solving the problem that feed is adhered to the interior of a feeding machine and cannot be discharged. According to the scheme, the chicken raising feeding device comprises a connecting plateand a storage barrel, wherein a mounting plate is fixedly connected to the outer wall of one side of the connecting plate, and a relay is fixedly connected to the outer wall of the mounting plate; and symmetrically-distributed annular limiting plates are fixedly connected to the outer wall of the connecting plate, a concave sliding face is arranged on the outer wall of one side of the mounting plate, and the outer walls of the concave sliding face and the annular limiting plates are smooth faces. According to the chicken raising feeding device capable of quantitatively feeding, the feed can be fed regularly and quantitatively, a vibration mechanism is in linkage fit with an elastic sheet and an elastic rod so that the storage barrel can vibrate, and the feed adhering to the inner wall ofthe storage barrel can fall off and be discharged quickly under the reciprocating motion of a spring and the repulsion effect of a first magnet and a second magnet; and meanwhile, when the feed vibrates back and forth in the storage barrel, medicine powder and the feed can be mixed more uniformly.

A variable-angle two-dimensional ultrasonic vibration-assisted processing platform based on a flexible hinge, including a base plate and a vibration block. The base plate cooperates with the seat ring of the thrust bearing through an annular platform provided on its upper surface, and the vibration block is provided through its lower surface. The circular boss cooperates with the shaft ring of the thrust bearing. The upper surface of the base plate is provided with several flange seats along the circumferential direction. The first ultrasonic vibrator and the second ultrasonic vibrator are respectively installed on two of the flange seats. The horns on the first ultrasonic vibrator and the second ultrasonic vibrator are in close contact with the vibrating block respectively. A mounting base is provided on the upper surface of the base plate. A first flexible hinge is installed in the U-shaped groove of the mounting base. The first flexible hinge is connected to the vibrating block. The vibrating mass fits snugly. The first ultrasonic vibrator and the second ultrasonic vibrator realize two-dimensional ultrasonic vibration processing of the workpiece, avoiding the modification of the spindle. A thrust bearing is installed between the base plate and the vibration block to support the vibration block in the Z direction without affecting the vibration of the vibration block in the XY plane.

The invention relates to the field of vibrating screen treatment, more specifically, an intelligent cleaning system for vibrating screens, including a base, a screen box, a rectangular top frame, a screen mesh, a convex seat, a vertical sleeve column, a support rod, a rectangular bottom frame, and a door-shaped support beam , hook, nozzle I, gas pipe, nozzle II and liquid pipe, the present invention adopts the gas-liquid two-phase cleaning method to ensure the cleaning effect while greatly reducing the water consumption without affecting the performance of the drilling fluid. The front and rear sides of the rectangular top frame are fixedly connected with two support rods, and the four support rods are fixedly connected to the upper side of the base, the bottom of the screen box is provided with a screen, and the upper side, left side and right side of the screen box are The sides are all open structures, the screen box is set on the lower side of the rectangular top frame, the screen box is set on the upper side of the base, the front and rear sides of the screen box are fixedly connected with convex seats, and the four corners of the upper side of the base are fixedly connected There are vertical sleeve columns, the upper ends of the four vertical sleeve columns are all fixedly connected with springs, and the upper ends of the four springs are respectively fixedly connected with the four convex seats.

The invention discloses an observational method used for a trench slope gravitational erosion field test. The observational method is characterized in that a DV sight line is perpendicular to structured light rays on an abrupt slope through a geography instrument, and according to video screenshots in the test process, the gravity erosion amount and the waterpower erosion amount, namely the total erosion amount, the gravity erosion amount and the waterpower erosion amount of individual rainfall, in an individual rainfall event, the gravity erosion amount occurring after rainfall is completed, and slope direction distribution and gradient distribution of the abrupt slope at any time can be respectively calculated. The observational method is further characterized in that the definition of laser rays projected on the abrupt slope is strengthened by adjusting indoor light rays, building a rainproof observation room and installing an anti-fog filter, the DV sight line is perpendicular to a laser plane emitted by a geography instrument main machine by adjusting the sight line angles of a DV, and testing and adjustment are carried out according to a sight line calibrator. According to the observational method, the water power erosion amount can be separated from the gravity erosion amount, and the gravity erosion amount in the rainfall process and the gravity erosion amount after rainfall can be quantitatively observed and calculated.