96results about How to "Avoid reset" patented technology

The invention discloses an automatic transfer robot for warehouse logistics. The automatic transfer robot comprises a lift truck, a fixing mechanism and an extension mechanism, a carrying table is arranged at the upper end of a lifting platform of the lifting truck; the fixing mechanism comprises L-shaped vertical plates, sliding tables, overturning assemblies and rotating shafts, the sliding tables capable of moving in a front-back symmetry mode are arranged in the carrying table, the rotating shafts are rotationally connected to the upper ends of the sliding tables through rotating bases, the rotating shafts are fixedly sleeved with the evenly-distributed L-shaped vertical plates, and the overturning assemblies are arranged at the right ends of the sliding tables; the overturning assembly drives the rotating shaft to rotate; the extension mechanism comprises U-shaped plates and sliding rails, the sliding rails which are evenly distributed are fixedly connected to the top wall of the carrying table, and the U-shaped plates are slidably connected between the sliding rails on the left side and the right side. And goods can be transferred conveniently.

The invention discloses an electric leakage detection device and method for high-low voltage complete electrical equipment, and relates to the field of electric leakage detection of electrical equipment, the electric leakage detection device comprises a high-low voltage complete electrical equipment body, a supporting seat is installed at the bottom of an inner cavity of the high-low voltage complete electrical equipment body, and a coil is installed on the outer wall of an iron core. One end of the supporting seat is movably connected with a detection assembly, two ends of the connecting rod are symmetrically provided with warning assemblies, the bottom of the outer wall of the insulating panel is provided with a mounting seat, two sides of the mounting seat are symmetrically provided with limiting slide blocks, one end, close to the mounting seat, of the insulating panel is movably connected with a connecting frame, and one end, away from the insulating panel, of the rack is provided with an electric leakage detector. According to the electric leakage detection equipment of the high-low voltage complete electrical equipment and the method thereof, the equipment can detect electric leakage at any time, when electric leakage is detected, an alarm can be directly given, meanwhile, working components can be moved out, and when a worker carries out maintenance, the safety can be effectively improved.

The utility model discloses an impeller milling clamp, which relates to the technical field of impeller processing and comprises a base plate, a groove is arranged at the top of the base plate, a sliding rod is mounted on the opposite inner walls of the groove, and two sliding blocks are sleeved on the sliding rod in a sliding manner. In the use process, firstly, an impeller is placed on the base plate, then a first rotary knob is rotated, the first rotary knob rotates to enable a winding roller to rotate through a rotary rod, the winding roller rotates to enable an elastic arc-shaped block to move through a pull rope, an annular plate and a sliding block, then the impellers with different inner diameters are fixed, and then a second rotary knob is rotated to enable the winding roller to rotate. A second rotary knob rotates to enable four threaded blocks to move at the same time through a lead screw, a first bevel gear and a second bevel gear, then four arc-shaped clamping plates get close to one another, the impellers with different diameters are fixed, meanwhile, the impellers can be subjected to double limiting through elastic arc-shaped blocks and the arc-shaped clamping plates, and the clamping effect is better.

The invention relates to the technical field of building construction, in particular to a building mortar mixing preparation device which comprises mixing equipment, a feeding port is fixedly connected into an opening in the left side of the upper end of the mixing equipment, a supporting frame is fixedly connected to the periphery of the lower end of the mixing equipment, and a discharging valve is fixedly connected to an opening in the lower end of the mixing equipment. The stirring blades are in a horizontal state in the initial stage of stirring, damage to the stirring blades is small, the angles of the stirring blades are large in the later stage of stirring, compared with a traditional mechanical adjusting mode, the opportunity and the angles of the stirring blades can be automatically and flexibly adjusted according to the reaction heat release condition of mixed materials and water, and the stirring effect can be further improved; heat can be controlled to be guided out when mixed materials react with water during stirring, the mortar stirring and forming effect is improved, and it is guaranteed that the subsequent stirring effect is completed when the mixed materials release heat by locking the position of the piston plate in the piston cavity.

The utility model provides a wall-mounted swimming pool lamp, and relates to the technical field of swimming pool lamps. The wall-mounted swimming pool lamp comprises a lamp body, a connecting base, a replacement part used for maintaining the lamp body and an adjusting part used for controlling the irradiation direction of the lamp body. The replacement part comprises a connecting groove formed in the front face of the connecting base, an arc-shaped groove formed in one side in the connecting groove, a clamping groove formed in the inner wall of the arc-shaped groove, a connecting block connected with the connecting groove, an anti-disengaging plate connected with one side of the connecting block and a through opening formed in the inner wall of the arc-shaped groove. According to the wall-mounted swimming pool lamp, the problems that when an existing swimming pool lamp is used, although the anti-dazzle effect can be achieved, the color of the swimming pool lamp can be changed, however, when the swimming pool lamp is installed, holes are usually punched in the wall face, then the swimming pool lamp is fixed through bolts, and the swimming pool lamp is not prone to being damaged are solved. And the bolt is easy to rust, so that the disassembly is difficult, and the disassembly and maintenance efficiency is influenced.

This invention discloses a setting device and method for wrinkle-resistant and non-iron-feeling functional fabrics, belonging to the field of garment fabric processing technology. It aims to solve the problems of unstable fabric conveying tension, uneven dyeing, easy wrinkling during cooling, and inconvenient replacement of supporting components in existing setting devices. The device includes a frame, drive box, drying box, dyeing box, cooling box, conveyor belt, servo motor, drive shaft, and placement assembly. The dyeing box is equipped with a liquid storage chamber, hemispherical protrusions, and arc-shaped clearance grooves, which can achieve uniform dyeing of the fabric and recover excess working liquid. The cooling pipes in the cooling box form a temperature gradient to prevent a sudden drop in fabric temperature. The placement assembly can maintain stable tension as the fabric decreases and can also disconnect the supporting component from the drive shaft when little fabric remains, ensuring the conveying of the remaining fabric. It also facilitates the disassembly and replacement of the supporting component. This device is mainly used for setting processing of wrinkle-resistant and non-iron-feeling functional fabrics, improving setting quality and operational continuity, and reducing working liquid consumption.

The utility model discloses an asphalt concrete mixing arm device which comprises a mixing shaft, a first mounting seat and a second mounting seat, a connecting part is arranged between the first mounting seat and the second mounting seat, and distance adjusting parts are arranged on one side of the first mounting seat and one side of the second mounting seat. The connecting part comprises a first notch formed in one side in the first mounting seat, a second notch formed in one side in the second mounting seat, a through hole formed in one side in the first notch and a push rod arranged in the through hole. The problems that when an existing stirring arm is used, although the stirring arm and a stirring shaft can be fixed, the stirring arm and the stirring shaft are fixed through bolts, time and labor are relatively wasted during mounting and dismounting, the mounting efficiency is reduced, and meanwhile the length of an arm rod is fixed, so that the practicability becomes poor are solved.

The utility model relates to the technical field of structural columns, in particular to a steel structural column with an anti-seismic function, which comprises a steel structural column body, and a reinforcing component is sleeved on the outer side of the steel structural column body. According to the device, the abutting rod is aligned with the trapezoidal block, so that the arc-shaped surface of the abutting rod gradually abuts against the inclined surface of the trapezoidal block, the sliding sleeve is forced to move upwards, and when the sliding sleeve moves upwards, the hinge block I is driven to rise; a first hinge block pushes a reinforcing rod and a second hinge block to jack up a clamping ring to slide on the surface of a steel structure column body, when the clamping ring gradually abuts against a limiting ring, the clamping ring is subjected to resistance to force the reinforcing rod to rotate, the first hinge block slides along a limiting groove, and then the reinforcing rod is gradually unfolded; and the reinforcing rods, the steel structure column body and the sliding sleeve form triangles, so that the stability of the steel structure column body is improved, the shock strength of the steel structure column body is relatively improved, and the steel structure column body is prevented from toppling over.

The present invention discloses a Roots blower with a guide device, comprising a casing, the casing is provided with an air inlet and an exhaust port, the air inlet is provided with an air inlet guide cone, an air inlet flow channel is formed between the air inlet guide cone and the inner wall of the air inlet, the exhaust port is provided with an air outlet guide cone, an air outlet flow channel is formed between the air outlet guide cone and the inner wall of the exhaust port, an exhaust cavity with openings at both ends is provided inside the air outlet guide cone, an exhaust hole connected to the exhaust cavity is provided on the casing, the air inlet guide cone and the exhaust guide cone have concave arc surfaces on the side facing the impeller, and a limit protection valve is provided on the side facing the impeller of the air outlet guide cone. By providing the guide cone, a longer flow channel can effectively delay the reflux process of high-pressure gas, and even if the gas enters the volume formed by the impeller and the casing along the flow channels on both sides of the two guide cones, the generation of gas turbulence can be effectively avoided, thereby solving the problem of high noise of the current blower.

The utility model discloses a high -performance silica gel fuel pipe, including large diameter pipe and small pipe, the outer wall of large diameter pipe is provided with first flange joint, the one end of small pipe is integrated with the second flange joint of first flange joint's adaptation, limiting component is used for preventing the dislocation of first flange joint and second flange joint in the connecting process, prevent the component of falling off, for limiting the axial separation of first flange joint and second flange joint, the utility model limiting component guarantees first flange joint and second flange joint accurate butt joint, make sealing surface close fitting, effectively promote the sealing performance, prevent medium leakage, prevent the component of falling off and locking component cooperation, form double protection, significantly enhance the axial tension resistance and the anti -external force impact ability of large diameter pipe and small pipe connection, avoid accidental uncoupling, the locking of locking component to prevent the component of falling off, ensure that the whole connecting structure keeps stable under complex working condition.

The invention discloses a spinal nerve injury preventing aspirator for a spinal operation, and belongs to the field of medical instruments. Comprising a collecting bottle, the upper end of the collecting bottle is in threaded connection with a sealing cover, the top end of the sealing cover is fixedly connected with a connector, the inner wall of the connector is fixedly connected with a connecting pipe, the upper end of the sealing cover is fixedly connected with a liquid inlet pipe, and a semicircular block is pulled to drive a connecting rope to slide in a hollow rod and a second hollow grip. The connecting rope drives the fixing ring to rotate, the angle of the suction head is adjusted while the fixing ring rotates, the suction head makes contact with liquid in the narrow area of the inner wall of the spinal cord, then the liquid in the narrow area of the inner wall of the spinal cord is sucked away through negative pressure equipment, and the liquid enters the hollow rod through the suction head. Then the blood is sucked into the collecting bottle through the second hollow grip, the first hollow grip and the hose to be collected, and the suction head is beneficial to reducing friction and damage of the device to spinal nerves, so that the definition of the visual field of a worker in the operation process is improved.

The invention discloses a pressure reduction pad for caudal-sacral pressure sore nursing, and relates to the technical field of caudal-sacral pressure sore nursing. Comprising a protection pad body, a waist supporting part is arranged on one side of the top of the protection pad body, a leg supporting part is arranged on the other side of the top of the protection pad body, two sets of bandages are symmetrically installed on the two sides of the protection pad body, and the nursing pad further comprises a connecting groove formed in the lower portion of the interior of the protection pad body, a medicine applying part is arranged at the top of the nursing pad, the supporting assemblies are symmetrically arranged on the two sides of the interior of the protection pad body, the fixing assemblies are arranged at the ends, away from the protection pad body, of the two bandages, and the through grooves are symmetrically formed in the lower portions of the two sides of the protection pad body in a penetrating mode; the nursing pad has the advantages that the nursing pad body can be supported, the nursing pad can be conveniently placed and taken down, the pressure sore part of a patient can be conveniently subjected to dressing change, the patient can be prevented from moving or turning over in the dressing change process, the convenience is improved, and the pain of the patient is reduced.

The utility model discloses a double-locking screen window lock which comprises a base, a lock shell and a lock cylinder sliding seat, a shifting groove is formed in the upper end of the lock shell, a shifting block is installed at the upper end of the lock cylinder sliding seat, a wedge-shaped block is further installed on the lock cylinder sliding seat, the shifting block is installed in the shifting groove in a sliding mode, the base is further installed at the lower end of the lock shell, and the wedge-shaped block is installed in the shifting groove in a sliding mode. A pin sleeve is mounted on the base, a locking bolt is slidably inserted into the pin sleeve, a pair of guide seats is further mounted at the position, corresponding to the pin sleeve, of the upper end of the base, a conical protrusion is further mounted at the upper end of the locking bolt, and the locking bolt is sleeved with a reset spring. The two ends of the reset spring are connected with the corresponding sides of the pin sleeve and the conical protrusion in an abutting mode respectively. The locking assembly is arranged in the lock shell and used for positioning the lock cylinder sliding base to the locking plug pin. The device is simple in structure, the screen window can be better locked, the possibility that children open the screen window is reduced, the use safety of the device is improved, and the use requirements can be better met.

The application discloses an MCU controller violence cracking prevention system and method, comprising: a storage module which stores and updates a check failure count value in the non-volatile memory of the MCU; a response control module which returns a diagnosis negative feedback and triggers a delay timer to start according to the count value; a delay management module which sets a delay waiting time when the count value reaches a preset upper limit, and allows the request again after the timing ends; and a restart processing module which restarts the delay timer when the MCU is powered on or restarted and the count value is over the standard. The application solves the problem that the MCU is cracked by violence because the failure count is reset to zero due to the restart or session switching, and effectively improves the access security through the non-volatile storage and delay mechanism.

The utility model discloses an environmental protection equipment production mould, which mainly comprises a main body structure, a pair of upper mould bases, a pair of lower mould bases, a pair of upper fixing structures, a pair of lower fixing structures, a moving structure and a limiting structure, the main body structure comprises a base, cylinders fixedly connected with four corners of the base, and a top plate fixedly connected with piston ends at the tops of the cylinders; the upper fixing structures are fixedly connected with the top of the base and used for fixing the upper die base, the bottoms of the lower fixing structures are fixedly connected with the top of the base, the lower fixing structures are used for fixing the lower die base, and the moving structures are arranged on the sides, away from each other, of the upper fixing structures and the lower fixing structures correspondingly. And the pair of limiting structures is arranged and is used for limiting the moving structure when the moving structure retreats. The device is easy to operate, the upper die base and the lower die base can be rapidly replaced, and the production efficiency of environment-friendly equipment is not prone to being affected.

The utility model belongs to the technical field of medical instruments, and discloses a high-pressure injector connecting pipe capable of regulating and controlling flow, which comprises a shell, and a first connecting pipe and a second connecting pipe are respectively and fixedly sleeved inside the bottom end and the top end of the shell. By arranging a sealing plug, a through hole, a first spring and a tooth plate, an operator pushes a mounting frame rightwards, so that a movable rod drives a connecting plate to move rightwards, then a connecting rod drives the sealing plug to move rightwards, the through hole is staggered with a first connecting pipe and a second connecting pipe, and then flow is regulated and controlled; when the sealing plug moves rightwards, a movable plate is driven to move rightwards through a cross rod, so that a first spring is compressed, at the moment, due to the fact that the rear end of a clamping plate is clamped with a tooth plate, the situation that the sealing plug is driven to reset under the elastic force recovery effect of the first spring can be avoided, and then the sealing plug can stably stay at the current position; therefore, the flow is controlled.

The invention relates to the technical field of medical instruments, and discloses a nerve interventional operation auxiliary device which comprises a working shell, a bed body fixedly connected to one end of the top of the working shell, a telescopic rod fixedly connected to the bottom of the inner wall of the working shell, and a nerve auxiliary mechanism penetrating through the working shell and extending to the outside of the working shell, the nerve auxiliary mechanism comprises a bent plate fixedly connected to the top of the telescopic rod, one side of the top end of the bent plate is fixedly connected with a round shell, when the bearing plate descends, the bearing plate drives a sliding block to descend, the sliding block drives a vertical strip to descend, the vertical strip drives a flexible belt to descend, and the flexible belt makes contact with the head of a patient in the descending process; therefore, the head skin of the patient is tensioned, the head skin of the patient is prevented from being reset after the rollers are not in contact with the head of the patient any more, the skin stretching stability is improved, and the stability of the head of the patient during an operation can be further improved in the process that the tough belt is in contact with the head of the patient.

This utility model discloses a self-centering fixture for a CNC grinding machine, relating to the field of CNC grinding machine technology. The utility model includes a base plate, on which a supporting disc is fixedly connected. The top surface of the supporting disc has several grooves, and sliders are slidably connected to the inner walls of each groove. A fixture is fixedly connected to the top surface of each slider. An air pump is fixedly connected to the top surface of the base plate, and a threaded rod is fixedly connected to the top surface of the air pump. A hinge block is slidably connected to the outer wall of the threaded rod, and an internal thread block is threaded onto the outer wall of the threaded rod. The internal thread block is rotatably connected to the bottom surface of the hinge block. Several hinge rods are hinged to the outer wall of the hinge block, and one end of each hinge rod away from the hinge block is hinged to one of the sliders. This utility model, by providing a positioning mechanism, enables multiple fixtures to clamp and position a workpiece placed on the top surface of the supporting disc from multiple directions.

The present application relates to the technical field of foundation reinforcement, and discloses a pile sleeve for foundation reinforcement, which is composed of a front-end pipe, a connecting pipe and a filler hopper, and the front-end pipe, the connecting pipe and the filler hopper can be connected and separated with each other, the top of the front-end pipe is fixedly connected with a sleeve ring and an ear, the ear is embedded with a locking assembly, an ear groove is formed in the bottom end of the connecting pipe, and a plug hole is formed in the inner wall of the ear groove. The locking assembly is arranged in the ear, the ear is connected to the top end of the front-end pipe and the connecting pipe, the ear groove that is matched with the ear is formed in the bottom end of the connecting pipe, the front-end pipe and the connecting pipe can be connected, and the connection between the connecting pipes can be completed by inserting the ear into the ear groove, the locking assembly can lock the ear and the ear groove to prevent loosening, when separation is needed, the knob is only needed to be turned clockwise by 90 degrees, then the knob is fixed by using the locking block, the front-end pipe and the connecting pipe can be conveniently separated, and the overall structure makes it unnecessary to use a screw for connection.

The invention provides a nuclear radiation detection robot, and relates to the field of nuclear radiation detection, the nuclear radiation detection robot comprises a machine body and a grabbing assembly, the grabbing assembly comprises a rotating seat rotatably mounted at the top of the machine body, and a first telescopic arm is rotatably mounted on the rotating seat. In order to solve the problems that a nuclear accident site explodes at any time to generate explosives to damage a camera shooting detection device, meanwhile, a large amount of dust and chippings are generated, and therefore image collection and detection of the camera shooting detection device are affected, a grabbing assembly is arranged and can move to a shell, and a clamping arm is attached to the outer wall of the shell; according to the camera shooting detection device, protection of the detection camera shooting device is achieved, meanwhile, the shell can be matched with the assembly cylinder and driven to rotate in a reciprocating mode, the detection range of the camera shooting detection device is widened, meanwhile, the shell can be cleaned through rubber strips arranged on clamping arms, and under the synchronous action of axial flow fan blades, the detection efficiency is improved. And dust and chippings are effectively prevented from influencing image acquisition and detection of the camera shooting detection device.

The invention discloses a hinge assembly and refrigeration equipment. The hinge assembly comprises a movable shaft and a groove body, the groove body comprises a first track groove and a second track groove; the movable shaft is provided with a shaft body, and the shaft body sequentially moves in the first track groove and the second track groove. The shaft body is in sliding fit with the first track groove, and the hinge assembly further comprises a limiting part for limiting circumferential rotation of the shaft body in the first track groove; the shaft body can rotate in the second track groove in the circumferential direction. The whole cross section of the shaft body is flat, and the cross section of the shaft body has a length direction and a width direction; the outer wall of the shaft body is further provided with a pair of arc-shaped faces which are arranged oppositely in the length direction. The arc-shaped surface intersects with the cross section of the shaft body to form an arc line, and a central angle corresponding to the arc line is alpha; the angle beta of the shaft body rotating in the second track groove in the circumferential direction is smaller than the supplementary angle of alpha. According to the embodiment, opening of the door body is achieved through a simpler structure, and the door body is prevented from being interfered by external environment parts in the opening process.

The invention relates to the technical field of electronic product processing fixtures, and specifically to a fixture for industrial electronic production and processing, comprising a supporting mechanism, a taking mechanism, a clamping mechanism, a reinforcing mechanism and an adjusting mechanism; the clamping mechanism is connected to the supporting mechanism through an adjusting mechanism, and when the processing angle of a chip needs to be adjusted, the angle of the clamping mechanism is adjusted by operating the adjusting mechanism, which is beneficial to the processing of the chip; the two sides of the clamping mechanism are rotatably connected with the reinforcing mechanism, and after the clamping mechanism completes clamping the mobile phone chip, the chip is fixed again by the reinforcing mechanism, so that the chip is fixed more comprehensively, and a PCB board is prevented from being broken during processing; the bottom of the clamping mechanism is rotatably connected with the taking mechanism, and when the chip needs to be processed at a close distance, the clamping mechanism is disassembled through the adjusting mechanism, and the clamping mechanism is taken in hand by the taking mechanism for close-range processing, which is beneficial to the processing of parts with high precision.

The utility model relates to a mower seat, and relates to the field of mowers, the mower seat comprises a seat main body, a rotary locking assembly and a mounting seat, the seat main body is rotatably connected to the mounting seat, the locking assembly comprises a penetrating rod, a locking rod and a connecting rod connecting the penetrating rod and the locking rod, the penetrating rod is rotatably connected to the side, close to the mounting seat, of the seat main body, and the connecting rod is rotatably connected to the side, close to the mounting seat, of the locking rod. Guide sliding holes allowing the locking rod to be arranged in a sliding mode are formed in the side wall of the mounting base, the guide sliding holes comprise the first guide hole and the second guide hole, the first guide hole and the second guide hole communicate with each other and are obliquely formed, when the locking rod slides into the first guide hole, the seat body is in a flat state, and when the locking rod slides into the second guide hole, the seat body is in a non-flat state. The seat body is in a raised state. The seat has the advantages that the locking rod slides into the second guide hole to lock the seat body in the lifting state, the seat does not need to be supported to avoid resetting, and the effect that maintenance personnel maintain the structure of the bottom of the seat body conveniently is improved.

The invention belongs to the technical field of automobile accessories, and provides a self-rescue and recoverable glass lifter structure under an emergency working condition, which comprises an automobile door, a lifting assembly is arranged on the automobile door, the lifting assembly is connected with a power assembly, the lifting assembly is connected with automobile glass, and the lifting assembly is provided with a self-rescue assembly. The self-rescue assembly is connected with a limiting assembly; the power assembly comprises a synchronous gear; the self-rescue assembly comprises a winding drum connected with the synchronous gear in a sleeving mode, a lifting wedge block is arranged on one side of the winding drum and connected with a flexible shaft, the flexible shaft is connected with a handle, an elastic piece is attached to the other side of the winding drum, and the elastic piece is connected with a mounting frame. The flexible shaft is pulled through the pulling handle, then the lifting wedge block is pulled through the flexible shaft, the lifting wedge block can drive the winding drum to move through the inclined face in the moving process, the winding drum is separated from the synchronous gear, and after the winding drum is separated from the synchronous gear, the lifting assembly can move through the dead weight of vehicle glass.

The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to a gas collection device for an unmanned aerial vehicle, the gas collection device comprises a main unmanned aerial vehicle, an auxiliary unmanned aerial vehicle and a gas collection device arranged on the main unmanned aerial vehicle, the gas collection device comprises a mounting table arranged on the main unmanned aerial vehicle; the telescopic air pipe comprises an outer pipe body and a plurality of inner pipe bodies, and the telescopic air pipe is connected with an air pump and an air storage box; the driving mechanism is arranged on the mounting table and used for driving the telescopic air pipe to operate, and the driving mechanism comprises a telescopic mechanism used for driving the telescopic air pipe to move telescopically; the rotating mechanism is used for driving the telescopic air pipe to rotate; wherein the telescopic mechanism is arranged on the rotating mechanism, and the rotating mechanism drives the telescopic mechanism and the telescopic air pipe to rotate together.

The invention relates to the technical field of valves, in particular to an ellipsoid-driven oil drain valve with a locking function. Comprising a valve body and further comprises a locking mechanism, the locking mechanism comprises a first sleeve, the first sleeve is fixedly connected to the valve body, a first valve rod is movably connected into the first sleeve, a first elastic piece is arranged between the first valve rod and the first sleeve, and a connecting frame is fixedly connected into the first sleeve. Through the design of the locking mechanism, the situation that a worker carries goods and touches the first valve rod, or the first valve rod is vibrated when a steam turbine is started, so that a valve element moves, the oil drain valve loosens, and lubricating oil is discharged can be prevented, through the design of the protection mechanism, when the oil drain valve discharges old oil, a sealing ring can be prevented from making contact with the old oil, and the service life of the oil drain valve is prolonged. The sealing ring is affected by the temperature or chemical substances of old oil, aging or corrosion of the sealing ring is accelerated, the service life of the sealing ring is effectively prolonged, and the sealing effect of the oil drain valve is improved.

This utility model discloses a backpack-type hydraulic shear, relating to the field of shearing technology, comprising: a fixed plate; a sliding plate; a backpack; two shoulder straps; a chest pocket; and a waist belt. The sliding plate has a sliding state and a locked state on the fixed plate. In the sliding state, it can buffer the weight of the backpack, reducing the pressure on the user. In the locked state, it can lock the position of the backpack, thereby facilitating demolition operations. By setting a suspension mechanism, the backpack has both sliding and locked states on the fixed plate. In the sliding state, the backpack can reciprocate up and down on the fixed plate, and the suspension mechanism buffers the weight of the backpack, thereby reducing the weight on the user and easing the burden. In the locked state, the position of the backpack can be locked to prevent the backpack from moving on the fixed plate, thereby preventing the pulling of the connecting pipe used to connect the demolition tools and affecting the demolition operation.

This invention provides a calibration and grounding test device for solar cell modules, relating to the field of solar cell module grounding test technology. It includes: a test platform, with a grounding tester fixed to one side of the back of the test platform, and a crossbar fixed to the back of the test platform away from the grounding tester. After a first frame and a second frame are connected by a connecting plate, the first frame moves to the insertion end position of the solar cell module and locks. The second frame moves towards a push plate, while a first electric push rod pushes the second and first frames to slide along the surface of the crossbar via the push plate. The distance from the first frame to the terminal of the grounding tester is the same as the length of the fully retracted extension of the first electric push rod. This allows for accurate movement of the solar cell module's insertion end to the terminal position via a clamping component. Subsequently, the electric push rod at the terminal pusher inserts the solar cell module into the insertion end, thus completing the accurate connection between the grounding tester and the solar cell module.

The present invention belongs to a shielding method, and specifically relates to a shielding method for satellite Ethernet broadcast storms. It includes the following steps: (1) an Ethernet communication step to effectively shield broadcast storms based on a satellite embedded environment; (2) an Ethernet communication step. Compared with the prior art, the present invention has the following beneficial effects: (1) turning off the Ethernet broadcast receiving function, effectively dealing with broadcast storms and excessive ARP broadcasts, not frequently entering invalid interrupts, avoiding machine loss or even causing resets, preventing faults from spreading, and ensuring the normal operation of the device; (2) when the broadcast is turned off, normal Ethernet communication is achieved, effectively dealing with problems such as replacement of communication targets and power-off and restart of communication targets; (3) querying the ARP cache before sending Ethernet messages, effectively avoiding sending too many ARP broadcasts when the communication target is abnormal or the Ethernet network is abnormal, and avoiding increasing the burden on the space network and causing the space network status to deteriorate.

The utility model relates to the technical field of industrial robots, and discloses an industrial robot with a protection function, which comprises a fixed seat, a robot body is mounted at the top of the fixed seat, a base is fixed at the bottom of the fixed seat, and a protection component and a limiting component are arranged on the surface of the fixed seat; the protection assembly comprises a fixed shell used for stabilizing an internal mechanism of the protection assembly; the circular plate is used for driving the connecting holes to move synchronously; according to the industrial robot with the protection function, through the arrangement of the protection assembly, when protection needs to be conducted, a rotating gear and a tooth groove rotate synchronously, a circular plate drives a connecting hole to rotate synchronously, the inner wall of the connecting hole abuts against the surface of the short rod, and then the short rod and the fixed rod can be driven to move synchronously in the radial direction; at the moment, the fixing rods drive the universal wheels to move away from or close to the fixing bases, protection diameters with different requirements can be adjusted conveniently, and different environments can be adapted conveniently.