290results about How to "Avoid swinging" patented technology

The utility model discloses an intellectualized safety control take-up straining device, including handle subassembly, base subassembly and long braid, handle subassembly includes handle and ratchet wheel, base subassembly includes base, handle and base are pivoted and rotatingly connected through take-up shaft, ratchet wheel is fixed on take-up shaft, and the winding drum is fixed between the ratchet wheel, and the long braid is fixed on the base. The ratchet wheel, the winding drum and the tape winding shaft rotate synchronously, the winding drum is sleeved outside the tape winding shaft and is coaxially arranged, an opening for the long braid to pass through is arranged on one side of the winding drum, one end of the long braid is sleeved on the tape winding shaft and is led out from one end of the base through the opening on the winding drum, one end of the tape winding shaft is connected with the coil spring assembly, and the coil spring assembly comprises a coil spring, a coil spring box and a coil spring box cover. The coil spring box is covered with the coil spring box, a brake assembly is further arranged in the coil spring box, and one end of the tape winding shaft can be provided with a C-shaped opening, an eccentric shaft or a concentric screw hole according to the structure of the brake assembly. According to the utility model, the long braid can be prevented from swinging to hurt an operator, and the personal safety of the operator is guaranteed.

The invention relates to the technical field of cutting nippers, and discloses an unmanned aerial vehicle mounted distribution network live-line broken lead cutting nipper device which solves the problem that existing cutting nippers need manual operation and have certain dangerousness, the unmanned aerial vehicle mounted distribution network live-line broken lead cutting nipper device comprises an unmanned aerial vehicle body, and a suspension supporting mechanism is fixedly arranged in the middle of the bottom end of the unmanned aerial vehicle body; an electric telescopic rod is arranged in the middle of the suspension supporting mechanism in a penetrating mode, a shearing mechanism is arranged at one end of the electric telescopic rod, a counterweight assembly is fixedly arranged at the other end of the electric telescopic rod, the shearing mechanism is composed of a supporting arm, a shearing assembly and an anti-swing traction assembly, and the supporting arm is fixedly connected to one end of the electric telescopic rod. The shearing assembly is connected to the supporting arm, and the anti-swing traction assembly is arranged on the shearing assembly in a sleeving mode and connected with the supporting arm. Through the cutting nipper device, mounting can be carried out through the unmanned aerial vehicle, so that remote wire breaking operation is achieved, the use safety is improved, meanwhile, a lead can be pulled, and the lead is prevented from swinging.

The invention relates to the technical field of household appliances, and provides a door body assembly and refrigeration equipment. The door body assembly comprises a box door rotationally connected to a box body and suitable for opening or closing a storage space of the box body; the door plate is arranged on the outer side of the box door in a sliding manner; the first driven guide rail mechanism and the sliding door mechanism are coaxially arranged, and the second driven guide rail mechanism and the sliding door mechanism are arranged in a non-coaxial mode; the sliding door mechanism is configured to drive the door plate to move relative to the width direction of the box door in the opening or closing process of the box door, and the first driven guide rail mechanism and the second driven guide rail mechanism are configured to cooperatively guide the door plate to move relative to the box door. According to the door body assembly, the sliding door mechanism is arranged on the box door, the sliding door mechanism can drive the door plate to slide relative to the box body under auxiliary cooperation of the first driven guide rail mechanism and the second driven guide rail mechanism, and therefore the door plate can avoid obstacles in the closing or opening process of the box door.

The utility model provides an inner shuttle structure of a sewing machine, and belongs to the technical field of sewing machine accessories. The problem that in the prior art, thread throwing is prone to being generated in the sewing process is solved. The inner shuttle structure of the sewing machine comprises a cylindrical inner shuttle body, the outer edge of the inner shuttle body is provided with a needle falling groove and an anti-injury protruding edge arranged in the radial direction of the inner shuttle body in a protruding mode, the inner edge of the inner shuttle body is provided with a protruding block, and the protruding block and the anti-injury protruding edge are located on the same side of the inner shuttle body. A blocking face and a guiding face which intersect with the inner edge face of the inner shuttle body are arranged on the sides, close to and away from the needle falling groove, of the protruding block respectively, the guiding face and the blocking face are in smooth transition connection, and the included angle between the guiding face and the inner edge face of the inner shuttle body is an obtuse angle. The included angle between the blocking face and the inner edge face of the inner shuttle body is smaller than the included angle between the guide face and the inner edge face of the inner shuttle body. The sewing machine has the advantages that the probability of thread throwing and thread breaking in the sewing process can be effectively reduced, and the sewing quality is improved.

The utility model provides a high-precision guide lifting device, which is applied to the technical field of lifting machines and is characterized in that a guide post is arranged on a support frame of the lifting device, so that a top plate in the support frame moves along the guide post in the lifting process, and a limiting mechanism is arranged at the lifting upper and lower limit positions of the top plate; meanwhile, a driving motor of the guide lifting device is connected with a control mechanism, and when the top plate moves to the limiting mechanism at the upper and lower limit positions, the control mechanism controls the driving motor to stop so as to control accurate lifting of the top plate; compared with the design of a lifting system with gears, cables and chains, the lifting system has higher precision, and can ensure the lifting consistency and stability of the top plate.

The invention relates to the technical field of household appliances, and provides a door body assembly and refrigeration equipment. The door body assembly comprises a box door rotationally connected to the box body and suitable for opening or closing the storage space of the box body. And the door plate is arranged on the outer side of the box door in a sliding manner. The first driven sliding door mechanism and the driving sliding door mechanism are coaxially arranged on the box door, and the driving sliding door mechanism is configured in the mode that in the opening or closing process of the box door, the traction mechanism drives the driving sliding door mechanism, so that the driving sliding door mechanism drives the door plate to move relative to the width direction of the box door; the first driven sliding door mechanism is configured to cooperatively guide the door plate to move relative to the box door. According to the door body assembly, the driving sliding door mechanism is arranged on the box door, and the driving sliding door mechanism can drive the door plate to slide relative to the box body under the auxiliary cooperation of the first driven sliding door mechanism, so that the door plate can avoid obstacles in the closing or opening process of the box door.

The invention relates to the technical field of blood extraction, and discloses blood extraction equipment for preliminary auxiliary examination of liver cancer, which comprises a base, an arc-shaped cushion fixedly arranged at the top of the base, a cavity formed in the bottom of the base, two fixing belts movably arranged at the top of the base and symmetrically distributed, and a fixing unit arranged on the base, the fixing unit comprises a winding component and a buffering component which are arranged on the base. According to the blood extraction equipment for the preliminary auxiliary examination of the liver cancer, by rotating a rocker, driving a rotating disc and a winding shaft to rotate, driving two winding rollers to rotate, winding a fixing belt on the winding rollers, tightening the fixing belt and tightening the arm of a patient, the situation that the patient swings and shakes during blood extraction, and the blood extraction difficulty of medical staff is increased is avoided; meanwhile, multiple times of blood drawing may increase pain and discomfort of a patient and increase safety risks faced by medical staff, for example, the patient is accidentally injured by a needle, and threats are caused to the body health of the medical staff.

The invention relates to the technical field of suite machining, in particular to lathe internal and external grinding machining equipment which comprises a rack, a moving seat, an abrasive belt grinding machine, a lathe center frame, an L-shaped rod, a grinding roller and a power assembly and further comprises a mounting plate, a mounting mechanism, a driving mechanism and three supporting plates. The abrasive belt grinding machine is arranged on the moving seat, the lathe center frame is arranged above the rack and fixedly connected with the moving seat through an L-shaped rod, and the grinding roller is driven by the power assembly to rotate. The three supporting plates are used for supporting the inner wall of a sleeve part, the height position of the grinding roller is kept fixed, the grinding roller is driven to rotate through the independently-arranged power assembly, the situation that the grinding roller swings in the working process due to a lathe center frame and the gravity problem of the grinding roller is avoided, and the machining precision of the grinding roller is improved. And therefore, the grinding roller is prevented from colliding with the inner wall of the sleeve part, and the product percent of pass is effectively guaranteed.

The invention belongs to the technical field of translation side pressure doors and windows, and particularly relates to a pulley side pressure translation mechanism which comprises a main body mounting seat and a mounting movable seat. According to the pulley side pressure translation mechanism, the translation mechanism is arranged, so that the device is divided into a sash sliding mode and a sash side pressure mode. In the sash sliding mode, the rubber strip and the glass sash are in a separated state and do not act mutually, and a user can push and slide the glass sash to an ideal position; in the sash side pressing mode, the rubber strip and the glass sash are in a sealed state and interact with each other, the rubber strip is extruded, the glass sash achieves the side pressing purpose, side pressing can be conducted at any position, and wind and rain can be blocked when push-pull closing is conducted; after the transmission rod moves in place and the main connecting rod rotates by a certain angle, the main connecting rod is in the horizontal position; and the longitudinal dimension of the connecting rod sliding seat moves to a fan side pressure mode and is in a self-locking pressure maintaining state. When outdoor wind pressure blows to the glass sash, the glass sash is always in a sealed state, the adhesive tape is always extruded, and the main connecting rod does not change the current position.

The invention relates to the technical field of culvert pipe hoisting equipment, in particular to anti-cracking reinforced concrete culvert pipe machining hoisting equipment which comprises a hoisting platform, the hoisting platform is provided with a cage body hoisting mechanism for rapidly transferring a culvert pipe reinforcement cage, and the cage body hoisting mechanism is provided with an anti-shaking deviation rectifying mechanism for keeping the stability of the reinforcement cage. An anti-corrosion soaking mechanism for soaking the reinforcement cage to improve the corrosion resistance is arranged on the hoisting platform, a cage body conveying mechanism is arranged on the side face of the hoisting platform, the anti-shaking deviation correcting mechanism comprises a fixed protruding block fixedly installed at the end of a steel wire sling, and a plurality of branch steel cables are arranged on the fixed protruding block in the circumferential direction in an array mode. According to the device, the anti-shaking deviation rectifying mechanism is arranged, and a limiting convex block and a telescopic round pipe are matched with each other, so that a steel wire sling can be continuously and effectively limited in the hoisting process, the culvert pipe reinforcement cage can be effectively prevented from greatly swinging due to inertia, and a worker does not need to carry out auxiliary limiting on the culvert pipe reinforcement cage below.

The invention provides an air-drop data acquisition test device which comprises a projectile body, a projectile body empennage arranged at the tail of the projectile body and a power supply assembly arranged in the projectile body, a product to be tested and a data recorder are arranged at the bottom of the projectile body, the data recorder is connected with the product to be tested through an adapter, and the adapter is connected with the power supply assembly. The adapter is connected with the bottom of the projectile body so that the relative position of the to-be-tested product and the data recorder can be kept stable in the air-drop test process, and the adapter is connected with the bottom of the projectile body. The data recorder is simple in structure, convenient to operate, low in cost, easy to disassemble and assemble, high in repeated utilization rate and high in interchangeability, various data in the air-drop process can be directly collected and stored, it is guaranteed that the data recorder keeps stable and reliable in the air-drop data collection process, the failure of the data recorder in the complex atmosphere (pneumatic) environment of an air-drop test is avoided, and the data recorder is safe and reliable. And stable communication transmission between the to-be-tested product and the data recorder in the air-drop test process is ensured.

The invention discloses an anti-swing control method, device and system for engineering machinery and a storage medium, and belongs to the technical field of building construction.The method comprises the steps that when the engineering machinery conducts hoisting operation, a target tracking point needing to be switched currently is determined from a planned path; estimating a target rotation angle, a target rotation distance and a target working amplitude of the engineering machinery reaching the target tracking point; according to the target rotation angle and the target rotation distance, the rotation speed of the engineering machine is controlled in a closed-loop control mode, and the rotation speed at any rotation moment does not exceed the highest speed gear set according to the target rotation distance; according to the target working amplitude, the amplitude variation speed of the engineering machinery is controlled in an open-loop control mode, and when the amplitude variation speed is reduced to a preset speed gear, the engineering machinery is controlled to carry out amplitude variation operation in a sliding output mode, so that the rapid acceleration and deceleration phenomena generated by amplitude variation and rotation operation can be reduced, obvious swing is avoided, and the stability of the engineering machinery is improved. And the anti-swing effect is improved.

The invention discloses a sound production device, a sound production module and electronic equipment, and relates to the technical field of electroacoustic transduction, a magnetic circuit system of the sound production device is provided with a mounting hole penetrating through a magnetic conductive yoke and a central magnetic part, a conductive bracket is arranged in the mounting hole, and a diaphragm assembly of a vibration system comprises a vibration part, a first folding ring part and a second folding ring part, the inner side of the second folding ring part is connected with the conductive support. The two ends of the centering disk are electrically connected with a bonding pad of the conductive support and a lead of the voice coil respectively. Wherein the vibration part is provided with a convex hull part protruding in the direction away from the magnetic circuit system, and a lead of the voice coil is wired along the inner wall of the convex hull part and is electrically connected with the centering disk. According to the sound production device, the magnetic circuit system is arranged in a hollow manner and is provided with the conductive support, and the centering disk is electrically connected with the voice coil and the conductive support respectively, so that the setting volume of the edge magnetic part can be increased, the magnetic field intensity can be improved, and the BL value of a product can be increased, thereby improving the acoustic performance; in addition, the sound production device is low in magnetic flux leakage and meets the use requirements.

The utility model discloses a hydraulic engineering desilting device, and particularly relates to the technical field of desilting devices, the hydraulic engineering desilting device comprises a sludge pump and a mounting bottom plate, the sludge outlet end of the sludge pump is provided with a sludge conveying hose, one end of the upper end face of the mounting bottom plate is fixedly provided with a first vertical plate, and the first vertical plate is provided with a hose winding assembly; and one end of the upper end face of the first vertical plate is connected with a third vertical plate, the end, facing the third vertical plate, of the mounting bottom plate is connected with a second vertical plate, and a sludge pushing assembly is arranged between the second vertical plate and the third vertical plate. After desilting is completed, the end of the sludge conveying hose can penetrate through the position between the pressing plate and the supporting plate, the end of the sludge conveying hose is wound on the winding rod, then the motor can be started to drive the winding rod to rotate in order to conduct winding, and the sludge conveying hose can be wound through extrusion of the pressing plate and the supporting plate while winding is conducted. And residual sludge in the sludge conveying hose is extruded towards the end connected with the sludge pump, manual operation is not needed, the winding efficiency is greatly improved, and time and trouble are saved.

The utility model provides a special A-grade copper ingot production device, which relates to the technical field of copper ingot production and comprises a mounting plate I and a mounting plate II, a conveying device is arranged between the mounting plate I and the mounting plate II, and a reservoir is fixedly mounted at one end of the bottom side of the mounting plate I and one end of the bottom side of the mounting plate II. Supporting devices are arranged on one side of the top of the first mounting plate and one side of the top of the second mounting plate, a cleaning device is arranged between the two supporting devices, a mounting table is fixedly connected to one side of the second mounting plate, and four supporting rods are fixedly mounted on the other side of the top of the first mounting plate and the other side of the top of the second mounting plate. And a cooling device is arranged on one side of the reservoir. According to the copper ingot cooling device, copper ingots are cooled in batches through the water mist spray heads and the spray heads, it is guaranteed that the formed copper ingots meet the specification, the product quality is improved, a casting mold obtained after demolding can be cleaned by installing the supporting device and the cleaning device, and the follow-up copper ingot machining quality is improved.

The invention discloses a supporting structure for reducing the degree of freedom of an electromechanical transmission output shaft and an output gear, which belongs to the technical field of mechanical design and comprises a cylindrical pin, the output shaft, a flange plate, the output gear and a bearing. The flange plate is mounted on the box body; the flange plate is supported on the output gear through a bearing; one end of the output shaft is coaxially sleeved in an axial blind hole A in the output gear; the output gear and the output shaft are coaxially connected through a cylindrical pin; one end of the cylindrical pin is in transition fit with an axial blind hole B in the output gear, and the other end of the cylindrical pin is in transition fit with an axial blind hole C in the output shaft. According to the invention, the cylindrical pin is utilized to restrain the redundant degrees of freedom of the output gear and the output shaft in the axial direction and the radial direction, and the coaxiality between the output shaft and the output gear is improved, so that the assembly error is reduced, the dynamic load is reduced, and the overall performance and reliability of an electromechanical transmission system are improved.

The utility model relates to the technical field of impregnated paper processing equipment, and discloses impregnated paper dip dyeing, coating and airing equipment which comprises a frame body; the adsorption roller is rotationally arranged at the top end of the frame body; the driving motor is in transmission connection with the adsorption roller, and the driving motor is fixedly arranged on the frame body; and the adsorption tank is arranged on the side edge of the bottom of the frame body. The impregnated paper drying device has the following technical effects that impregnated paper can be stably adsorbed on the adsorption roller through the adsorption holes, the adsorption roller can be stably driven to rotate through the driving motor, so that the impregnated paper can be driven to be stably conveyed, then the impregnated paper at the bottom can be adsorbed and straightened through the adsorption groove at the bottom, the impregnated paper is conveniently dried, and the drying efficiency is improved. The impregnated paper can be prevented from swinging during airing, so that the impregnated paper can be stably conveyed, the decorative surface of the impregnated paper can be prevented from being in contact with a roller, and pollution to the decorative surface of the impregnated paper is reduced.

The utility model relates to an airtight electromagnetic switch for a starter, which comprises a shell assembly, a movable iron core assembly, a static iron core, a push rod assembly and a sealing bush, and is characterized in that the movable iron core assembly and the static iron core are coaxially arranged in an inner cavity of the shell assembly; the push rod assembly penetrates through a center cavity of the static iron core, one end of the push rod assembly is fixedly connected with the movable iron core assembly, the sealing bush is located at the end, close to the static iron core, of the push rod assembly, and the sealing bush is arranged in a gap between the push rod assembly and the static iron core and used for sealing. According to the utility model, the technical problem that the service life of an existing electromagnetic switch is short due to the lack of a good sealing effect is solved.

The invention provides a sliding door assembly and a sliding door comprising the same, and belongs to the technical field of shower doors. The sliding door assembly comprises a clamping piece, a first blocking piece and a second blocking piece. Wherein the clamping piece is in a long strip shape; moreover, one side edge of the clamping piece can be connected with the lower edge of a movable leaf of the sliding door, and a sliding groove is formed in the other side edge of the clamping piece. The first blocking piece is in a block shape. The first blocking piece can be detachably connected with at least one end of the clamping piece; in the direction perpendicular to the movable sash, the size of the first blocking piece is larger than that of the clamping piece; the second blocking piece is in a block shape, a clamping groove is formed in the end face of the second blocking piece, and the clamping groove is used for fixing a fixed leaf of the sliding door. In addition, a clamping piece is further arranged on one side face of the second blocking piece; the clamping piece can be connected with the sliding groove in a relative sliding mode. According to the sliding door assembly provided by the embodiment of the invention, collision caused by swinging and inertia of the movable leaf is avoided under the condition that no lower rail exists.

The utility model relates to a supporting steel bar and latticed column connecting assembly structure in deep foundation pit supporting construction, a latticed column comprises angle steel and batten plates, the angle steel is distributed at four corners, adjacent angle steel is connected together through the batten plates, and the connecting assembly structure comprises an inner positioning plate, an outer positioning plate and connecting bolts. The inner positioning plate is clamped on the inner side between the angle steel in a matched mode, the outer positioning plate is located on the outer side of the angle steel, the inner positioning plate and the outer positioning plate are provided with corresponding connecting holes and positioning holes, the connecting bolts are fixedly arranged in the connecting holes in a matched and matched mode, and the inner positioning plate and the outer positioning plate are combined and fixed to the two opposite sides of the latticed column. The positioning holes are used for allowing the supporting steel bars to penetrate through in a positioning mode. The two positioning plates are fixed through the connecting bolts, a fixing foundation is provided for the structure through clamping and fixing, the structure is prevented from moving up and down and inside and outside, the inner positioning plate is clamped in the latticed column in a matched mode, the inner positioning plate is prevented from swinging left and right, a steel bar in the middle is bent to pass through the positioning holes, and it is ensured that the position of the steel bar is determined.

The utility model relates to the technical field of high-altitude pipeline mounting and transferring, in particular to a high-altitude pipeline transferring device. Comprising a base, carrier rollers, top wheels and a clamping and fixing assembly. The carrier roller is installed on the base, the axis of the carrier roller is horizontal, and the carrier roller can rotate around the axis of the carrier roller. The top wheels are installed on the base in pairs and located on the two sides of the carrier roller and above the carrier roller, the axes of the top wheels are vertical, the top wheels can rotate around the axes of the top wheels, and the distance between the two top wheels corresponds to the diameter of a pipeline. The clamping and fixing assembly is fixedly connected to the base and used for clamping and fixing the high-altitude pipeline transferring device to a cross beam of a pipe gallery. The problem of transferring the pipeline in the high pipe gallery is solved, and the safety risk existing during operation is greatly reduced.

The utility model provides a vehicle maintenance frame which comprises a lifting frame, a limiting arm, a positioning plate and a hoisting mechanism, and the lifting frame is parallel to the ground; one end of the limiting arm is mounted on the lifting frame, and the other opposite end of the limiting arm extends downwards to form a connecting part; the positioning plate is mounted on the connecting part, and a positioning hole is formed in the positioning plate; the hoisting mechanism comprises a winch, an inhaul cable and a clamp, the winch is installed on the hoisting frame, one end of the clamp is a limiting end, the other opposite end of the clamp is a hoisting end, the limiting end can be inserted into the positioning hole to be clamped with the positioning plate, one end of the inhaul cable is connected with the power output end of the winch, and the other end of the inhaul cable is connected with the hoisting end. And the other opposite end penetrates through the positioning hole and is connected with the limiting end. The vehicle maintenance frame provided by the utility model is convenient for preventing an engine from swinging left and right and preventing the engine from being damaged due to collision between the engine and other equipment in a maintenance workshop.

The utility model discloses a floating ball valve pressure stabilizing device, which relates to the technical field of valves and comprises a first valve body, a floating ball body is arranged in the first valve body, valve seats are arranged at the left end and the right end of the floating ball body, a valve rod is fixedly connected to the top of the outer surface of the floating ball body, and the floating ball body and the valve rod are both rotationally connected with the first valve body. And a pressure stabilizing mechanism is arranged outside the first valve body. According to the floating ball valve, the first valve body, the floating ball body, the valve seat, the valve rod, the pressure stabilizing mechanism and the pressure gauge are arranged in a matched mode, in the actual process of the floating ball valve, air pressure increased in a short time can be transiently shunted, when the air pressure reaches a set value, automatic pressure relief is conducted, the interior of the floating ball valve is within a stable pressure range, and the service life of the floating ball valve is prolonged. The floating ball valve is prevented from being always in a state with a large pressure value, so that the situation that a ball body in the floating ball valve deviates or even is damaged is avoided, normal use of the floating ball valve is guaranteed, and the service life of the floating ball valve is prolonged.

According to the high-pressure pipeline anti-loosening structure, the first sleeving piece and the second sleeving piece are connected through the connecting rod, the first sleeving piece and the second sleeving piece are connected with the connectors of the adjacent high-pressure pipes respectively, and therefore the connecting structure arranged outside the high-pressure pipes is additionally arranged on the basis that the connectors of the adjacent high-pressure pipes are connected; the high-pressure pipes are connected more firmly and reliably, the connecting rods still play a role in connection when the joints of the adjacent high-pressure pipes are loosened, the strength of the connecting rods is large, and when the internal pressure of the high-pressure pipes reaches 220 bar, even if the joints of the high-pressure pipes are loosened, the connecting rods can still play a role in connection. The two ends of the connecting rod can still pull the high-pressure pipe through the first sleeving piece and the second sleeving piece, and the high-pressure pipe is prevented from breaking open and swinging to hurt people.

The application discloses an elevator braking energy collecting device and relates to the technical field of elevator kinetic energy recovery. The device comprises a braking module installed on the top or bottom of an elevator car; the braking module is in transmission connection with a direct-current generator A arranged on the top or bottom of the elevator car; the end of the direct-current generator A is connected with a CVT gearbox; the braking module comprises a vertically arranged rectangular frame, the opposite two side walls of the rectangular frame are provided with convex columns, the convex columns are rotatably connected with swing arms, the end of the swing arm is rotatably assembled with a mounting shaft through a bearing, the mounting shaft is fitted with a friction roller rolling along the elevator guide rail and a transmission wheel A; a transmission shaft is rotatably arranged between the two convex columns through a bearing, and the transmission shaft is provided with a transmission wheel B in transmission connection with the transmission wheel A. The braking module is arranged on the top and / or bottom of the elevator car to drive the rotation of the direct-current generator A, so that the device can generate electricity in the whole process of the elevator descending.

The invention discloses an automatic grounding wire assembling and disassembling device, which relates to the technical field of checking and hanging grounding devices and comprises an insulating main rod, a slidable guide unit, a lifting rope, a base anti-winding limiting unit and a tensioning device. The slidable guide unit adjusts the position and height of the grounding wire through sliding to ensure the stability of the grounding wire; the lifting rope is connected with the electricity testing function unit through the pulley system, and it is guaranteed that the operation process is not affected by wind power. The base anti-winding limiting unit is provided with two symmetrically distributed through holes to respectively guide and limit the bottom ends of the grounding wire and the lifting rope, so that mutual winding is effectively avoided; the tensioning device adjusts the tension of the grounding wire through a sliding shaft system and a spring, and ensures that the grounding wire always keeps sufficient tension and is prevented from deforming due to external force interference. The bottom end of the grounding wire forms a broken line type structure, so that tensioning force is applied to the bottom end of the grounding wire, the bottom end of the grounding wire is prevented from swinging due to wind power, the stability and safety of operation are effectively improved, and potential safety hazards caused by wind power influence are eliminated.

The utility model discloses a fresh-keeping refrigeration house, and relates to the technical field of refrigeration houses, when a person needs to enter the fresh-keeping refrigeration house, the person passes through a laser emitter and shields the laser emitter, a laser receiver cannot receive laser emitted by the laser emitter, and a portrait temperature detector detects a portrait and the temperature of the person. After successful recognition, the air cylinder drives the telescopic rod to move leftwards, the telescopic rod drives the movable door to move leftwards, the movable door leaves the cold storage door clamping groove, the movable door moves on the cold storage door rail, the movable door is tightly connected with the cold storage door rail, opening and closing are more stable, and the door can be prevented from swinging or shaking in the operation process; when people go out of the fresh-keeping refrigeration house, the human image temperature detector detects the human image and the temperature of the people, the people pass through the laser transmitter, and the laser transmitter is shielded by the people after the people go out of the fresh-keeping refrigeration house after the people go out of the fresh-keeping refrigeration house.

The invention relates to the technical field of pollution detection devices, in particular to a waterfront water and soil loss non-point source pollution detection device and method.The waterfront water and soil loss non-point source pollution detection device comprises a water and soil loss monitor, the water and soil loss monitor is installed on a supporting plate, the supporting plate is in lap joint with the top of a ditch supporting plate, and wire bunching arms are rotationally connected to the two sides of the supporting plate; the surface of the bunching arm is provided with a bunching groove, the connecting end of the water and soil loss monitor is connected with a wire, one end of the wire is provided with a sensor probe, and the wire and the sensor probe both extend into the bunching groove; the device has the advantages that the bunching arms rotationally connected to the two sides of the supporting plate are ingenious in design, the bunching arms can swing downwards to the bottom of the ditch supporting plate, and a sensor probe installed at one end of a wire can extend into a ditch to detect a flowing water source. Meanwhile, the bunching groove formed in the surface of the bunching arm provides an ordered placement space for the wire and the sensor probe, and the wire bunching arm is fixed through the cooperation of the bunching groove and the hand-twisted screw, so that the wire and the sensor probe are effectively prevented from swinging under the impact of water flow.

The utility model discloses a kind of laser cutting structures of clamping card pipe, including chassis, the side mount frame of guide rail strip is installed in the top of one side of chassis, equidistantly installed on the pipe body auxiliary support assembly of chassis, the pipe feeding travelling trolley is installed on the side mount frame, the pipe feeding chuck is installed on pipe feeding travelling trolley, the pipe body fixing mechanism is installed in the top of one end of chassis, the cutting mechanism is located in one end of chassis, and cooperates with the pipe body fixing mechanism, and the hydraulic blanking mechanism for supporting pipe body is located in front of cutting mechanism;The stability, efficiency and safety of production are improved by the precise design and automation control of this structure, and it is the effective application of laser cutting technology in pipe processing field.

The utility model belongs to the technical field of container hinges, and discloses a combined container hinge with a locking function, which comprises a first hinge plate, a second hinge plate is arranged on one side of the first hinge plate, a clamping assembly is arranged between the first hinge plate and the second hinge plate, and a limiting block is fixedly connected to the inner side of the first hinge plate. A first clamping groove is formed in the upper end of the first hinge plate, and an L-shaped plate is fixedly connected to the upper end of the first hinge plate; the first hinge plate and the second hinge plate can be locked to prevent the container door from swinging when the container is opened to load and unload goods, the clamping block is placed and limited in the first clamping groove through the external clamping rod to prevent the clamping block from affecting normal opening and closing operation of the first hinge plate and the second hinge plate when the clamping block is not used, and therefore the container door is prevented from swinging. The clamping block is placed in a combined groove of the third clamping groove and the second clamping groove to limit the first hinge plate and the second hinge plate so as to form locking.