53results about How to "Avoid Offset Situations" patented technology

The invention discloses a mechanical arm and a semiconductor device. The mechanical arm comprises an adsorption part, a connection arm, a sliding part and a deviation detection module, wherein the adsorption part is used for absorbing a wafer; the connection arm is connected with the adsorption part, the connection arm is provided with a sliding guide rail, and the extending direction of the sliding guide rail is consistent with that of the connection arm; the sliding part starts sliding from a preset triggering point of the sliding guide rail to abut against the edge of the wafer; and the deviation detection module is used for at least determining the deviation state of the wafer according to the sliding distance of the sliding part. The scheme of the invention can effectively judge the deviation state of the wafer, a deviation condition happening when a wafer is placed in a subsequent process can be avoided, the product yield is thus improved, and the downtime times are reduced.

The invention discloses a flange plate positioning hole machining tool, and belongs to the field of flange plate drilling. The flange plate positioning hole machining tool comprises a bottom plate, asupporting plate, a flange plate, a bracket, an electric air cylinder, a fixture, laser heads, a connecting plate, an operation button and a power source, wherein a support plate is arranged on the bottom plate, the supporting plate is inserted into an inserting groove through inserting blocks on the two sides, a positioning clamp is arranged on the support plate, a fixed cylinder is arranged on the supporting plate, the flange plate is fixedly connected to the fixed cylinder in a sleeved mode, the bracket is arranged on one side of the bottom plate, the laser heads are arranged on the connecting plate, the connecting plate is fixed on an execution arm of the bracket, the electric air cylinder penetrates through a through hole in the connecting plate to be fixedly connected with the bracket, and the execution tail end of the electric air cylinder is connected with a chuck. The flange plate positioning hole machining tool has the advantages that the design is simple, the operation is convenient, safe and reliable, the flange plate can be effectively fixed, laser is used for positioning a punching position, so that the probability that defective products appear during the punching ofthe positioning holes of the flange plate is reduced, and the cost is saved.

The invention discloses a flange plate positioning hole machining tool, and belongs to the field of flange plate drilling. The flange plate positioning hole machining tool comprises a bottom plate, asupporting plate, a flange plate, a bracket, an electric air cylinder, a fixture, laser heads, a connecting plate, an operation button and a power source, wherein a support plate is arranged on the bottom plate, the supporting plate is inserted into an inserting groove through inserting blocks on the two sides, a positioning clamp is arranged on the support plate, a fixed cylinder is arranged on the supporting plate, the flange plate is fixedly connected to the fixed cylinder in a sleeved mode, the bracket is arranged on one side of the bottom plate, the laser heads are arranged on the connecting plate, the connecting plate is fixed on an execution arm of the bracket, the electric air cylinder penetrates through a through hole in the connecting plate to be fixedly connected with the bracket, and the execution tail end of the electric air cylinder is connected with a chuck. The flange plate positioning hole machining tool has the advantages that the design is simple, the operation is convenient, safe and reliable, the flange plate can be effectively fixed, laser is used for positioning a punching position, so that the probability that defective products appear during the punching ofthe positioning holes of the flange plate is reduced, and the cost is saved.

The invention discloses a spliced pile foundation protection formwork convenient to disassemble for bridge construction. The spliced pile foundation protection formwork comprises a base formwork, transverse supporting seats, a belt pulley, a straight rack and a plane gear, wherein a pile foundation supporting seat is arranged right above the base formwork, first supporting column formworks are arranged right above the pile foundation supporting seat, a second supporting column formwork is connected between the first supporting column formworks, reinforcing ribs are welded and fixed to the outer side of the second supporting column formwork, the transverse supporting seats are connected to the outer sides of the first supporting column formworks in an attached mode, a positioning sleeve is connected between the transverse supporting seats in a clamped mode, and a top cap formwork is arranged right above the second supporting column formwork. According to the spliced pile foundation protection formwork convenient to disassemble for bridge construction, locking concave blocks and stress supporting blocks are arranged, the left side and the right side of the second supporting column formwork are clamped and locked through the locking concave blocks, then the joints of the second supporting column formwork and the first supporting column formworks are sealed, and the convenience of formwork assembly and disassembly is improved.

A power rail socket is disclosed in the invention, and comprises a socket rail and a sealing seat cover, alloy buckles are arranged on the back of the socket rail, a guide sliding groove is formed inthe upper surface of the socket rail in a penetrating mode, a socket panel is connected to the outer side of the guide sliding groove in a nested mode, and a plug hole is formed in the outer side of the socket panel in a penetrating mode; the sealing seat covers are installed on the two sides of the socket rail, a power supply line is connected to the outer side of the socket track in a nested mode, positioning holes are formed in the outer side of the socket rail in a penetrating mode, a double-sided adhesive tape is bonded and fixed between the positioning holes, and an electric wire connecting seat is fixedly welded to the interior of the socket rail; and a vertical conductive column is arranged under the wire connecting seat, and a conductive panel is connected to the bottom of the vertical conductive column in a nested mode. According to the power rail socket, the alloy buckles and a guide sliding rod are adopted, the back of the socket rail is fixed and limited through the alloybuckles with different widths, and the stability of the socket rail in the assembling and fixing process is ensured.

The invention discloses an internal intercepting and killing type pest pheromone trap. The internal intercepting and killing type pest pheromone trap is characterized in that a device box door is hinged and fixed to the outer side of a trapping shell, a ventilation net plate is connected to the outer side of the trapping shell in a penetrating mode, a storage tank is connected to the lower portion of the trapping shell, a material collecting tray is connected to the lower portion of the storage tank, side orientation bases are welded and fixed to the left side and the right side of the trapping shell, a shell cover is placed over the trapping shell, an equipment support is welded and fixed to the upper portion of the shell cover, a gauze cover is welded and fixed to the lower portion of the shell cover, and a driving motor is fixedly mounted in the shell cover. The internal intercepting and killing type pest pheromone trap is provided with an eccentric wheel and a rectangular sliding groove, the eccentric wheel is driven by the driving motor to rotate, the bottom of a supporting force arm is vertically fixed through the eccentric wheel, the rotating range of the supporting force arm is controlled according to the size of the trapped insect, and therefore, separation operation can be conveniently carried out on insects which killed through electric shock and the electric net cover body.

The invention discloses an intelligent cloud box for information monitoring. The cloud box comprises a cloud box chassis, a hinge seat, a signal supporting plate, a bevel gear, a ball screw, a sub-equipment box body and an internal thread block, and a heat dissipation base is welded and fixed under the cloud box chassis; auxiliary rollers are welded and fixed under the heat dissipation base; lateral supports are connected to the left sides and the right sides of the hinge bases through shafts, a cloud box support is arranged between the hinge bases, a driving box body is fixedly welded to theouter side of the cloud box support, a belt wheel is connected to the outer side of the cloud box support through a shaft, a monitoring box body is arranged over the cloud box support, and a supporting rod is fixed to the position under the monitoring box body through a bolt. The intelligent cloud box for information monitoring is provided with the cloud box support and the plane gear, the bottomof the monitoring box body is lifted through the cloud box support, on one hand, the height of the monitoring box body is adjusted according to the transmission requirement of the cloud box, and on the other hand, the position of the monitoring box body is adjusted according to the cloud box adjusting requirement.

The invention discloses a pathogenic bacteria killing and environment control breeding house applied to an epidemic prevention of swine influenza. The pathogenic bacteria killing and environment control breeding house comprises a breeding house body, shutter bodies and a device box, a house door is hinged and fixed to an outer side of the breeding house body, positioning columns are welded and fixed to a top part of the breeding house body, outer sides of the shutter bodies are connected with the breeding house body in an embedded mode, flexible solar panels are bonded and fixed to the outer side of the breeding house body, a waste collecting box is welded and fixed to a bottom plate of the breeding house, chassis supporting piles are welded and fixed to two sides of the waste collecting box, and pollution discharge pipelines are welded and fixed to a bottom plate of the waste collecting box. The pathogenic bacteria killing and environment control breeding house applied to an epidemicprevention of swine influenza is provided with first eccentric wheels and bevel gears, the first eccentric wheels are used for driving spraying supports to move left and right, a moving range betweenthe spraying supports is adjusted according to a width of the breeding house, and an interior of the breeding house can be conveniently and automatically sterilized.

The invention discloses an electrolyte supplementing device applied to soft package lithium cell production. A conveying belt is arranged right above a device base, a battery bracket is connected right above the conveying belt in a clamping manner, the outer side of the conveying belt is in shaft connection with a guide back plate, and a rectangular clamping groove is formed right above the conveying belt. The device comprises a liquid storage box body, wherein a driving water pump is connected to the upper surface of the base in a penetrating mode, a liquid injection pipeline is connected to the output end of the driving water pump, a liquid injection needle is fixedly nested to the outer side of the liquid injection pipeline, and a sealing force arm is arranged on one side of the liquid injection needle; and the sealing force arm. The invention discloses an electrolyte supplementing device and method applied to production of a soft package lithium battery cell. The battery bracket and the clamping force arm b are arranged, the clamping force arm a at the bottom of the battery bracket is used for clamping and limiting the upper surface of the conveying belt, the clamping force arm a is clamped and fixed according to the width of a clamping groove of the conveying belt, and the stability of the battery bracket in the assembling and locking process is ensured.

The invention discloses a soil rotary tillage composite improvement device and remediation method applied to saline-alkali soil. The soil rotary tillage composite improvement device comprises a tractor body, auxiliary wheels, a traction support and a rotary tillage box body, a cab is fixedly welded to the position over the tractor body, and the outer side of the cab is fixedly hinged to a drivingvehicle door; and the auxiliary wheels are in shaft connection to the two sides of the tractor body, a coulter disc is connected to the position under the tractor body through a shaft, a guide slidingrail is arranged at the outer side of the coulter disc, a rectangular sliding block is connected to the position under the guide sliding rail in a nested manner, and a coulter blade is connected to the position under the rectangular sliding block in a nested manner. A traction support is welded and fixed to the outer side of the tractor body, and a rotary tillage box body is welded and fixed to one side of a medicine liquid box body. A bevel gear and an eccentric wheel are arranged, the bevel gear is used for driving rotary tillage blades at the two sides to rotate, the number of the rotary tillage blades at the two sides is adjusted according to the width of soil, and the convenience of breaking and rotary tillage of the rotary tillage blades for land with different widths is improved.

The invention provides a laminated plate microstructure damage detector based on vibration excitation. The laminated plate microstructure damage detector comprises a test bed, a detection mechanism, aclamping mechanism, a translation mechanism, a cooling mechanism and a lifting mechanism; the detection mechanism is installed on the test bench and comprises a vibration exciter body, a hammer handle, a hammer head, a supporting seat, a supporting block, a laminated plate, a cooling cover, a strip-shaped opening and an infrared thermal imager; the vibration exciter body is installed on the upperside wall of the test bed, the hammer handle is installed at the output end of the vibration exciter body, and the hammer head is fixedly installed at the end, away from the vibration exciter body, of the hammer handle; the supporting base is installed on the upper side wall of the test bed, and the supporting block is fixedly installed on the upper side wall of the supporting base. The laminatedplate microstructure damage detector method based on vibration excitation provided by the invention has the advantages of being convenient and rapid in detection work, high in efficiency, good in stability and high in data accuracy.

The invention discloses a CNC machining center capable of improving the product quality. A fixing mechanism comprises an object needing to be processed, a fixed clamping column, a gear box, an output gear, an auxiliary gear, a double-end column, a double-end thread, a fixed double-end cylinder and a gear protection box; the auxiliary gear is fixedly connected to the middle of the side part of the double-end column; the two ends of the side part of the double-end column are fixedly connected with the double-end thread; the fixed double-end cylinder is movably connected with the gear protection box; the top end of the fixed double-end cylinder is fixedly connected with the fixed clamping column; the fixed clamping column is in an L shape; the top of the gear box is movably connected with the object needing to be processed; and the object needing to be processed is fixed through the fixed clamping column, so that when equipment operates to work, the object needing to be processed is prevented from deviating. According to the CNC machining center capable of improving the product quality provided by the invention, the fixing mechanism is adopted to clamp the object needing to be processed , so that the problem that the quality of a finished product is not high due to the fact that the the object needing to be processed deviates is avoided; and the deviation condition can be effectively avoided through fixing of the fixed clamping column, so that the quality of the product is improved.

The invention discloses a treatment and construction method for grooving an underground diaphragm wall encountering with an underground stirring pile. The construction method comprises the following steps: (1) judging a beyond-limit range and a hole guiding position of the stirring pile; (2) putting a percussion hammer in position and preparing slurry; (3) guiding a hole by a round drill bit and filling the hole with rock blocks; (4) trimming the hole by a square drill bit and filling the hole with the rock blocks; and (5) grooving a groove section below the depth range of the stirring pile. By means of a method which comprises the steps of backfilling gravels, using the round percussion drill to impact the beyond-limit stirring pile in advance, brushing a wall by the square percussion drill to control the perpendicularity and then grooving by using a grooving machine, the construction method solves the problem that the grooving speed of the grooving machine is slow and the grooving quality is hard to control as the strata in the grooving range are not uniform in hardness as a result of beyond-limit of the stirring pile in a construction process of the underground diaphragm wall, so that the progress of station construction is completed on schedule while the cost is saved, and a good economical benefit is obtained.

The invention provides a movable agaricus bisporus planting frame which comprises a placing plate, extending threaded heads, fastening nuts, extending plates, supporting bases, guide wheels and positioning screws, the supporting bases are symmetrically installed on the left side and the right side of the lower end face of a bearing plate, the guide wheels are installed on the inner sides of the supporting bases, and the extending plates are symmetrically installed on the front end face and the rear end face of the bearing plate. Positioning screws are engaged with the lower sides of the interiors of the extension plates, placement plates are attached to the inner walls of the side supporting plates, extension threaded heads are symmetrically welded to the left and right end faces of the placement plates, and fastening nuts are engaged with the left sides of the annular side faces of the extension threaded heads; according to design, problems that original planting frame cannot be movedand adjusted, and use range is limited are solved, and the planting frame is reasonable in structure, and the movable adjustable capacity is achieved, the high-low position and the left-right position of the planting frame can be conveniently adjusted, and practicability is high.

The invention discloses a multifunctional health testing device for measuring students' physique, comprising a device chassis, a vertical pole, a horizontal bar, an internally threaded pipe, a worm wheel, a worm screw and a screw rod. The top of the device chassis is fixed with a force-bearing bolt. panel, and a running base is arranged directly above the force-bearing panel, one side shaft of the running base is connected with a hinge seat, and one side shaft of the running base is connected with a first pulley, and one side shaft of the first pulley is connected There is a running belt, a handle is welded and fixed on the top of the running base, an equipment box is connected to one side shaft of the hinge seat, a drive motor is connected to one side shaft of the equipment box, and the bottom bearing of the cross bar is A first ball screw is connected. The multifunctional health test device for students' physical fitness measurement is provided with a positioning block and a bevel gear. The positioning block drives the stretching handle to slide horizontally, and the position of the positioning block is adjusted according to the student's height and arm length.

The public place electronic touch screen with the protection structure comprises a screen base, file box bodies are welded and fixed to the left side and the right side of the screen base, a vertical supporting arm is connected to the position over the screen base in a nested mode, and a screen shell is welded and fixed to the position over the vertical supporting arm; a vertical supporting arm is arranged on the outer side of the screen shell, a threaded hole is formed in the outer side of the vertical supporting arm in a penetrating mode, a curtain pulling clamping base is fixedly bonded to one side of the screen shell, a touch display screen is connected to the outer side of the screen shell in a nested mode, a protective check curtain is connected into the storage box in a nested mode, and a transverse pull rod is connected to the outer side of the protective check curtain in a wrapping mode. The outer side of the storage box body is connected with a camera through an electric wire, and one side of the storage box body is connected with the output end of a driving motor through a shaft. According to the public place electronic touch screen with the protection structure, on one hand, one side of the storage box body is positioned through the traction support, the situation that the storage box body deviates in the moving process is avoided, and meanwhile, the outer side of the storage box body is positioned.

The invention discloses an explosion-proof ship electrical control device capable of efficiently discharging moisture and preventing moisture, which comprises a device base, a rectangular guide rail is welded and fixed to the outer side of the device base, a coupling seat is connected to the outer side of the rectangular guide rail in a nested manner, a locking rod a is connected to the outer side of the coupling seat through a shaft, and a locking rod b is in threaded connection with the interior of the locking rod a; the device comprises a device base, an operation platform is welded and fixed right above the device base, a grouping electric box is welded and fixed on the outer side of the operation platform, a control box body is welded and fixed right above the operation platform, and an equipment box door is hinged and fixed on the outer side of the control box body and penetrates through the top of the control box body. The explosion-proof ship electrical control device capable of efficiently discharging moisture and preventing moisture is provided with a coupling seat and a ball screw, the coupling seat slides on the outer side of the device base, the positioning height of a locking rod a is adjusted, the supporting angle of the locking rod a is adjusted, and the supporting angle of the locking rod a is controlled according to the size and supporting strength of a ship.

The invention discloses cigarette box lined paper thin film coating equipment. The equipment comprises a coating equipment processing box and a base storage box, wherein the base storage box is located under the coating equipment processing box, the outer surface of the upper end of the coating equipment processing box is provided with a liquid storage tank and a stepping motor, the stepping motoris located at one side of the liquid storage tank, and the outer surface of one side of the coating equipment processing box is provided with a control machine. The cigarette box lined paper thin film coating equipment has the advantages that a drying box, a first baffle plate and the base storage box are arranged, processed lined paper thin film can be effectively dried and can be directly stored after being dried, thereby omitting the next drying process and improving the processing efficiency, the problem of the offset caused when the cigarette box lined paper thin film is processed can besolved, maintenance tools and use tools can be stored and finished respectively to prevent the maintenance tools and use tools from being lost, the cigarette box lined paper thin film coating equipment has a certain practicability and brings a better use prospect.

The invention discloses an indoor air purification device with an air inlet pipeline automatic detection and cleaning structure. The indoor air purification device comprises a suspended ceiling purification box body, vertical support rods, a filter element shell and an exhaust baffle plate, wherein a rectangular guide rail is welded and fixed to the outer side of the suspended ceiling purification box body; a rectangular sliding block is nested and connected to the outer side of the rectangular guide rail; locking seats are welded and fixed to the upper portions of the vertical support rods correspondingly; a detection box body is arranged over the suspended ceiling purification box body; gas conveying pipelines are welded to the left side and the right side of the detection box body; and a treatment box body is welded and fixed to the lower portion of the suspended ceiling purification box body. The indoor air purification device with the air inlet pipeline automatic detection and cleaning structure is provided with the rectangular guide rail and a ball screw; and the vertical support rods are driven by the rectangular guide rail to horizontally slide, the distance between the multiple sets of vertical support rods is adjusted according to the width of the suspended ceiling purification box, and the suspended ceiling purification boxes of different sizes are locked and limited.

The invention discloses a plate edge machining cutting device facilitating position adjustment during clamping, and particularly relates to the field of plate edge machining, the plate edge machining cutting device comprises a plate fixing mechanism used for clamping and fixing a plate, and a limiting mechanism used for limiting the edge position of the plate is fixedly installed on one side of the plate fixing mechanism; a cutting mechanism used for cutting the edge of the plate is arranged on the side, away from the limiting mechanism, of the plate fixing mechanism, the plate fixing mechanism comprises a first supporting table, a second pressing plate used for containing the plate is arranged at the top of the first supporting table, and a first pressing plate used for pressing the plate downwards is arranged at the top of the second pressing plate; the top of the first pressing plate is provided with a first telescopic rod used for adjusting the supporting length of the first pressing plate. The position of the second sliding block is adjusted by moving back and forth on the second sliding rail, and the second sliding rail is manually controlled to move left and right on the first sliding rail, so that the edge of a plate can be more comprehensively and rapidly cut and machined by a cutting blade, and actual use is more convenient.

The invention discloses a sludge purification and dam body dredging device used for self-treatment of a barrier lake. The device comprises a dredging device shell, an equipment base, lateral bracketsand supporting grabbing arms. A sealing box door is hinged and fixed to the outer side of the dredging device shell, and solar cell panels are attached and connected to the outer side of the dredgingdevice shell. Transverse push arms are arranged on the left side and the right side of the dredging device shell correspondingly, and a stacking box body is welded and fixed under the dredging deviceshell. The equipment base is welded and fixed to the bottom of the stacking box body, and pumping pipelines are connected to the bottom of the stacking box body in an embedded mode. The lateral brackets are welded to the two sides of the dredging device shell correspondingly. According to the sludge purification and dam body dredging device used for self-treatment of the barrier lake, bevel gearsand worms are arranged, the bevel gears drive corresponding ball screws to rotate, the ball screws drive the corresponding supporting grabbing arms to slide horizontally, and the positions of the supporting grabbing arms are adjusted conveniently according to the depth of the barrier lake and the unevenness of the bottom of the lake.

The invention relates to a multifunctional trimming and grinding machine used for ceramic machining. The multifunctional trimming and grinding machine used for ceramic machining comprises a grinding base, equipment box doors and a driving motor, wherein drainage pipelines are arranged at the outer side of the grinding base in a penetrating mode, a treatment box is fixedly welded to the position over the grinding base, the equipment box doors are fixedly hinged to the outer side of the treatment box, the driving motor is connected with the top of a liquid storage box in a penetrating mode, first rotating rods are arranged in the treatment box in a penetrating mode, and second rotating rods are connected with the positions under the first rotating rods in a nested mode. According to the multifunctional trimming and grinding machine used for ceramic machining, a bevel gear and face gears are arranged, grinding turntables at two sides are driven by the bevel gear to rotate, the widths of the grinding turntables are adjusted according to the widths of ceramic blanks, thus the efficiency of machining and grinding the ceramic blanks with the different widths is improved, equipment box bodies at the two sides are driven by the face gears to rotate, and surfaces of ceramics are ground according to the types of the ceramics, so that the trimming and grinding uniformity of the ceramics of the different types is ensured.

The invention discloses a self-adjustment type nozzle assembly for a full encapsulation mold. The self-adjustment type nozzle assembly comprises a glue spray pipe and an adjusting baffle. The sectionof the glue spray pipe is square, and the glue spray pipe is arranged at the front end of a glue pipe in a sleeving manner. Adjusting grooves and inserting holes are formed in the two opposite end faces of the inner wall of the glue spray pipe, and a connecting rod is fixed between the two side walls of the glue spray pipe. A supporting plate is mounted in the center of the rear end face of the connecting rod and is perpendicular to the connecting rod. Protruding clamp columns are arranged on the two sides of the rear end of the adjusting baffle, and the center of the rear end face of the adjusting baffle extends to form a rod body. A trigger rod is hinged to the end of the rod body. The adjusting baffle is clamped in the inserting holes of the glue spray pipe through the clamp columns onthe two sides, the rod body at the rear end and the trigger rod are located in the glue pipe, and the bottom of the trigger rod abuts against the supporting plate. The adjusting baffle rotates with the clamp columns as the center, and switching of the inclined state and the horizontal state of the adjusting baffle is achieved.

The invention discloses a constant-temperature protection high-voltage transformer with a chassis anti-sedimentation structure. The transformer comprises a transformer shell, an insulation binding post and a first lifting chassis, wherein a transformer base is welded and fixed under the transformer shell, and outer heat dissipation box bodies are arranged on the left side and the right side of the transformer shell; a solar cell panel is connected right above the outer heat dissipation box body, the insulation binding post is installed right above the transformer shell, a vertical supporting column is welded and fixed right below the transformer base, a rectangular guide rail is welded and fixed on the outer side of the vertical supporting column, an instrument box body is placed and fixed in the transformer shell, and a power source is arranged in the instrument box body. And the output end of the driving motor is connected with blowing fan blades. The constant-temperature protection high-voltage transformer with the chassis anti-sedimentation structure is provided with the rotating pull rod and the eccentric wheel, the eccentric wheel is used for driving the transverse supporting arm to vertically ascend and descend, and the height of the positioning chassis is adjusted according to the depth of frozen soil at the bottom of the transformer shell.

The invention relates to a stacking device numerical control plate shearing. The device comprises a conveying mechanism, a supporting frame, a containing frame, stacking mechanisms, a conveying platform, a U-shaped frame and an air suction mechanism, the conveying mechanism is installed on the front side of the upper end of the containing frame, the supporting frame is installed on the lower side of the front end of the conveying mechanism, the stacking mechanisms are symmetrically installed at the front end and the rear end of the containing frame, a conveying platform is placed in the containing frame, a U-shaped frame is installed in the middle of the upper end of the containing frame, and an air suction mechanism is installed on the U-shaped frame. The problems that a single plate has a certain weight, is repeatedly carried for a long time, greatly consumes physical strength of staff, is difficult to carry for a long time continuously, and is difficult to stack tidily when being observed by naked eyes, and the problems that due to the fact that the area of a single plate is large, the single plate needs to be lifted by multiple persons together, the plate needs to be unloaded after being carried to a designated position, and when one person pulls out the material too quickly, the hand of the worker which pulls out the material slowly is prone to being pressed between the plates, and the like can be solved.

The invention discloses a silt purification and dam dredging device for self-treatment of barrier lakes, which comprises a dredging device shell, an equipment base, a side azimuth bracket and a supporting grab arm, and a sealing box is hinged and fixed on the outer side of the dredging device shell door, and the outer side of the dredging device shell is attached and connected with solar panels, the left and right sides of the dredging device shell are provided with horizontal push arms, and a stacking box is welded and fixed directly below the dredging device shell, and the base of the device is welded It is fixed at the bottom of the stacking box, and the bottom of the stacking box is nested and connected with an extraction pipeline, and the side azimuth bracket is welded on both sides of the dredging device shell. The silt purification and dam dredging device used for the self-treatment of barrier lakes is equipped with bevel gears and worms. The depth of the lake and the unevenness of the bottom of the lake adjust the position of the support grabbing arm.

The invention discloses a fallen person rescue and protection device applied to the intercity rail transit, which comprises a device shell, buzzers, a rectangular guide rail and a threaded hole. A sealing cover plate is fixed on the outer side of the device shell through bolts; a cable winding rod is welded and fixed to the outer side of the sealing cover plate; a cable buckle is in threaded connection right above the cable winding rod; the buzzers are installed on the left side and the right side of the device shell; a solar cell panel is fixedly welded to the position over the device shell;induction equipment boxes are installed on the left side and the right side of the device shell; idler wheel supports are fixedly welded to the bottom of the device shell; and the rectangular guide rail is arranged under the device shell. The fallen person rescuing and protecting device applied to the intercity rail transit is provided with an inner threaded pipe and a clamping block. A ball screwshaft is used for driving the inner threaded pipe to rotate and stretch out and draw back, and the positions of the inner threaded pipe and the induction equipment boxes and the distances between theinduction equipment boxes of various kinds of equipment are adjusted according to the length of a getting-on area.

The invention discloses a multifunctional health testing device for student physique measurement. The device comprises a device chassis, a vertical rod, a cross rod, an internal thread pipe, a worm wheel, a worm and a lead screw, wherein a stress panel is fixed to the top of the device chassis through bolts, a running base is arranged right above the stress panel, one side of the running base is in shaft connection with a hinge seat, one side of the running base is in shaft connection with a first belt wheel, one side of the first belt wheel is in shaft connection with a running belt, a handleis fixedly welded to the top of the running base, one side of a hinge seat is in shaft connection with an equipment box body, one side of the equipment box body is in shaft connection with a drivingmotor, and a first ball screw is in bearing connection with the bottom of the cross rod. According to the multifunctional health testing device for student physique measurement, a positioning block and a bevel gear are arranged, the positioning block drives a stretching handle to slide horizontally, and the position of the positioning block is adjusted according to the height of a student and thelength of an arm.