40results about How to "Prevent insertion" patented technology

The invention provides an external assembly type tower crane anti-climbing device, and belongs to the technical field of tower crane anti-climbing. Comprising a plurality of frames, a plurality of mounting plates are fixed to the side faces of the frames, the adjacent frames are perpendicularly arranged, the mounting plates between the adjacent frames are vertically aligned, and the vertically aligned mounting plates are fixedly connected through screws. By arranging the frame, the panel and the round rollers, when the tower body has a certain height and an entrance for entering a control room is located on the side face of the tower body, the fence composed of the frame and the panel is fixed to the periphery of the tower body, and when a person wants to climb the tower body, due to the fact that the surface of the panel is smooth and the feet of the person have no acting points, the person cannot climb the tower body, and the safety of the person is improved. When a person binds a hook on a rope and hangs the rope on the tower body, the person wants to climb the tower body with the help of the rope at the moment, and when the feet step on the panel, the round roller rotates, so that the feet of the person have no leveraging point, the person is further prevented from climbing the tower body, and safety protection for the person is achieved.

The utility model discloses a safety plugging assembly special for charging and discharging of a new energy automobile, which comprises a charging gun plug, the charging gun plug is respectively provided with a three-pin plugging sheet I and two cylindrical grooves, and probes are fixed in the cylindrical grooves; a slot matched with the charging gun plug is formed in one side of the conversion plug, the charging gun plug is connected with the slot in a pluggable mode, a three-pin jack matched with the first three-pin insertion piece and two protruding columns connected with the two cylindrical grooves in a pluggable mode one by one are arranged in the slot, spring needles are fixed in the protruding columns, and the spring needles are connected with the two cylindrical grooves in a pluggable mode. The other side corresponding to the conversion plug is an external plugging area, a resistor and ground wire hardware are fixed in the conversion plug, two ends of the ground wire hardware are respectively in one-to-one correspondence with the ground wire hole site on the three-pin jack and the external plugging area, one end of the spring needle is in contact conduction with the corresponding probe, and the other end of the spring needle is electrically connected with the ground wire hardware through the resistor. The utility model has the beneficial effect that the purpose of improving the use convenience is achieved.

The utility model relates to a front mold slide structure which comprises a stripper plate and a front mold plate, a shovel base capable of sliding up and down is embedded on the top surface of the front mold plate, a limiting mechanism for limiting the stroke of the shovel base is arranged on the front mold plate, a rubber plug is arranged on the top surface of the shovel base, a rubber plug hole is formed in the stripper plate, and the front mold plate is connected with the rubber plug hole. A front mold core is arranged under the shovel base, a plurality of sliding blocks are embedded in the front mold core, an inserting groove is formed in the top face of the front mold core, a shovel base is arranged at the bottom end of the shovel base, a plurality of shovel base grooves are formed in the end, away from the shovel base, of the side wall of the shovel base, and a limiting block is arranged between the front mold core and the shovel base. An anti-reset mechanism is arranged on the front mold core, the shovel base is driven to move upwards through the rubber plug hole and the rubber plug, at the moment, the shovel base moves upwards relative to the front mold core, the shovel base groove is matched with the limiting block to enable the multiple sliding blocks to conduct core pulling on inverted buckles on a product, the structure is small in occupied space, and core pulling of multiple parts can be completed at a time.

The utility model discloses a door and window lock seat, including lock seat main part, locating piece, locating rivet, the lock seat main part hollow has formed with the installation groove, the installation groove transversely penetrates lock seat main part, the installation groove extends along lock seat main part length direction, this lock seat is through setting up the limit hole, and the limit hole can be connected with T type lock bolt snap, so that the construction personnel can lock the position of lock seat main part and limit hole fast, improves the installation efficiency of construction personnel on the site and reduces the tedious debugging action, and maintenance and replacement are simple, and after T type lock bolt and limit hole snap connection, T type lock bolt still can go into the installation groove, has the function of anti -prizing, prevents the burglar with the tool and inserts into lock seat main part, prevents burglary and makes sabotage, simultaneously, the lock seat is integrally formed, and the overall strength is high, and the practicality is strong.

The utility model discloses a scratchproof steel roll hoisting sling and buffer protection device belongs to metallurgical product hoisting equipment technical field, scratchproof steel roll hoisting sling and buffer protection device, including main rod and ring, the ring is screwed on the top of main rod, the below of main rod is connected with riser, the below of riser is connected with the connecting seat of bolt, and the left lower corner and right lower corner position of riser are installed with conical seat respectively, through setting up by the flexible clamping structure of arc seat and arc clamp cover, realized to the full package formula, non -injury clamping of steel roll outer circumferential surface, in the hoisting process, two arc seats are driven under the four connecting rod mechanism and move inwards synchronously, and the arc clamp cover of its inside is made of flexible material (rubber), can completely adhere to the outer circumferential surface of steel roll, and this clamping mode avoids the mode of traditional sling insertion steel roll inner diameter or with metal hook, thoroughly eliminates the direct contact of metal parts and steel roll surface.

The application discloses a secondary plate threading method of a reciprocating rolling mill, and the secondary plate threading at least comprises the following steps: S10, lifting a clamping roller of an inlet tension reel and pressing an outer circle plate surface of an advanced cut plate steel coil; simultaneously, opening a roll gap of a working roller; S20, clamping a plate head of the advanced cut plate steel coil, and simultaneously, starting the inlet tension reel to make the advanced cut plate steel coil transmit to a direction of an outlet tension reel; S30, when the plate head reaches the roll gap of the working roller, pressurizing a tension force to make the working roller clamp the plate head; S40, simultaneously, rotating the working roller and the inlet tension reel, lifting an outlet guide plate to make the plate head reach the outlet tension reel; S50, clamping the plate head through the outlet tension reel, lowering the outlet guide plate to perform coiling, and completing the secondary plate threading operation; the application is safe and reliable, simple to operate, and does not affect the production cost, product quality and delivery period of the steel plate.

The application discloses an oil core separated atomizer, which comprises an oil storage device body, the oil storage device body and an atomizing core are detachably connected, the oil storage device body is internally provided with an oil storage cavity, the bottom of the oil storage device body is provided with an insertion channel communicated with the oil storage cavity, the atomizing core is inserted into the oil storage cavity through the insertion channel, the atomizing core is internally provided with a heating cavity, the heating cavity is provided with a heating core, the outer wall of the atomizing core is provided with an oil inlet hole corresponding to the heating core, and the oil inlet hole is sealed in the insertion channel; the atomizing core can move up and down along the insertion channel, the atomizing core can move the oil inlet hole from the insertion channel to the oil storage cavity to allow the oil inlet hole to take in oil, and the atomizing core can move the oil inlet hole to the insertion channel again to form a sealing structure and be isolated from the oil storage cavity. The atomizing core can move up and down in the insertion channel, the oil inlet hole on the atomizing core is communicated with or isolated from the oil storage cavity, and the application can prevent the tobacco tar in the oil storage cavity from entering the heating core through the oil inlet hole to corrode the heating core.

The application discloses a flexible sheet feeding conveying device and belongs to the technical field of feeding equipment. The feeding conveying device comprises a feeding conveying assembly, the feeding conveying assembly comprises a pressing mechanism, a transfer mechanism and a clamping mechanism arranged on the transfer mechanism, the clamping mechanism arranged on the transfer mechanism is driven to move by the transfer mechanism in the feeding conveying assembly, so that the second clamping arm in the clamping mechanism can be inserted into the gap between the top layer sheet and the secondary layer sheet along the upper surface of the secondary layer sheet, then the top layer sheet is clamped by the opposite movement of the first clamping arm and the second clamping arm, and then the top layer sheet is transferred by the clamping mechanism. And the pressing mechanism is used for pressing the upper surface of the secondary layer sheet, which fixes the secondary layer sheet on one hand and avoids the movement of the secondary layer sheet, and on the other hand, the gap between the secondary layer sheet and the top layer sheet is increased, which is more conducive to the insertion of the first clamping arm into the gap to clamp the top layer sheet.

The application discloses a video advertisement intelligent insertion method and system based on semantic segmentation and multi-modal context fusion. Through pixel-level semantic mask and multi-frame time sequence analysis, the space gap area available for advertisement embedding in the video is automatically identified, and background stability is judged in combination with structural similarity and brightness change and other indexes. A multi-modal context modeling device is constructed, a context situation vector is generated through a cross attention mechanism by fusing a character emotion vector, a video rhythm vector and a scene structure vector, and an insertion suitability score is output. When the score reaches a set threshold and the gap area meets the conditions, the system performs advertisement generation and visual fusion operation, realizes natural advertisement insertion consistent with the original video content style. The method is suitable for various content platforms such as short videos and live broadcasts, and experiments show that the click rate and the complete play rate can be significantly improved, and the jump-out rate can be reduced.

The utility model belongs to the technical field of fasteners, and particularly relates to an anti-skidding and anti-theft bolt which comprises a bolt head and a bolt rod, the bolt head is in a regular hexagon shape, a petal-shaped mounting hole is formed in the upper surface of the bolt head, an anti-theft column is arranged at the axis position of the mounting hole, and the anti-theft column is connected with the bolt rod. A socket spanner is inserted into the inner wall of the mounting hole, a groove is formed in the surface of the socket spanner, and the surface of the anti-theft column is slidably connected with the inner wall of the groove in a clamped mode. According to the anti-skid and anti-theft bolt, the petal-shaped mounting hole is formed in the upper surface of the bolt head, and the anti-theft column is arranged in the mounting hole, so that a non-professional tool can be prevented from being inserted into the anti-skid and anti-theft bolt, and only a tool matched with the anti-skid and anti-theft bolt can be used for operation, so that the bolt cannot be screwed, and the anti-theft effect is achieved; and particularly, great requirements are met in the fields of outdoor facilities and the automobile industry, and unnecessary loss is effectively prevented.

This invention relates to an anti-theft zipper, belonging to the technical field of zippers. It includes a zipper tape and a zipper head. The zipper tape has teeth, and the zipper head, through movement, engages and disengages the teeth on both sides of the zipper tape. The zipper tape also has a blocking component, with its blocking portion located above the teeth and extending towards the tooth's serration. The zipper head has a tooth passage portion and a blocking portion passage portion; the blocking portion is located above the tooth passage portion and the blocking portion is connected. When the zipper head engages the teeth through movement, the blocking portion covers the area above the tooth's serration. This invention discloses an anti-theft zipper that solves the problem that current zipper products are easily damaged by external forces inserting and prying open the middle engagement portion of the zipper tape.

The utility model relates to the technical field of packaging bags, in particular to a medical packaging bag based on a domestic flash evaporation base material, which comprises a connecting bag body, a connecting bag bottom and a connecting seal, the outer side of the connecting seal is fixedly connected with a connecting bag mouth, and the outer side of the connecting bag mouth is fixedly connected with a pull ring. A ventilation opening is fixedly connected to the outer side of the connecting bag body, a filtering piece is fixedly connected to the interior of the ventilation opening, an opening rod is fixedly connected to the outer side of the connecting bag body, the connecting bag body is folded by pressing the opening rod downwards, and a bag opening is opened by pulling two pulling rings with hands. A hand is prevented from being inserted into the bag opening and polluting the bag in the bag opening process, a bent rod is pushed forwards to move forwards, the bent rod drives an opening rod to move outwards, two connecting magnets are separated, the opening rod and the bag are opened through the elastic force of a rotary spring, and in the opening process, air is filtered through a sterilization gasket, and bacteria are prevented from flowing out.

The utility model provides a kind of needle warming device for traditional Chinese medical acupuncture physiotherapy, including the needle head of upper installation column, the top of installation column is fixedly connected with moxa column, installation column one end is fixedly connected with positioning ring, multiple heat insulating bowls are fixedly installed in positioning ring two sides, heat insulating bowl top is fixedly connected with dust collecting plate, heat insulating bowl bottom is fixedly connected with heat conducting plate, heat insulating bowl one side is fixedly connected with buckle, heat insulating bowl other side is fixedly connected with clamping groove, one end of heat insulating bowl one side is fixedly connected with butt joint boss, butt joint groove is opened in heat insulating bowl other end, the heat conducting plate of heat insulating bowl below is fixedly connected, heat insulating bowl below is fixedly connected with clamping plate, clamping plate upper side is fixedly connected with antiskid pad;By can first needle head is inserted into patient's body, then two sides heat insulating bowl and moxa column are installed to installation column, like this can play effective heat insulation and effect of dust collection, simultaneously, without affecting doctor to acupuncture and moxibustion to penetrate acupoint.

The invention relates to the technical field of quartz sand desliming, in particular to a graded desliming treatment method for quartz sand, which comprises the following steps: acquiring a second particle size of the quartz sand at an underflow port of a cyclone to determine a second site diameter, judging the qualification of the quartz sand according to the second site diameter and a second target particle size, and responding to the disqualification of the quartz sand. The effective height of a cylindrical barrel of the cyclone is determined, the extending length of an overflow pipe extending into the barrel is determined on the basis that a third bit diameter determined on the basis that the third particle size of sand-removed mud at an overflow opening is larger than a third target particle size, and the feeding pressure is determined and regulated on the basis that the third bit diameter is larger than the third target particle size in response to the fact that quartz sand is unqualified; according to the invention, the separation effect can be checked according to the obtained particle size and bit diameter of the separated target substance so as to feed back the working parameters of the cyclone, and the separation process is accurately regulated and controlled, so that high-purity quartz sand is obtained by high-precision separation of quartz sand and mud.

The utility model discloses a new energy automobile discharging plug socket, aims at providing a new energy automobile discharging plug socket that is beneficial to improve safe use performance, it includes charging gun plug, is equipped with the prong and cylindrical groove respectively on charging gun plug, and the one end fixed connection of prong and charging gun plug, and the other end fixed of charging gun plug has the cable wire electricity connection respectively with prong and cylindrical groove, the socket board is equipped with the insertion slot that is matched with charging gun plug in one side of socket board, and charging gun plug is inserted and is pulled apart and is connected with insertion slot, and the insertion hole that is matched with prong and the convex column that is inserted and is pulled apart and is connected with cylindrical groove are equipped with respectively in insertion slot, and the convex column is fixedly connected with insertion slot, and the other side of socket board corresponding is equipped with several groups of socket mouth, and the prong on charging gun plug is inserted into insertion hole and is connected with socket mouth electricity after. The utility model has the beneficial effect that: the convex column is arranged in the insertion slot, and it is also beneficial to prevent other ordinary plugs from being inserted, and the purpose of being beneficial to improve safe use performance is achieved.

The utility model relates to photovoltaic laying technical field discloses a kind of photovoltaic panel laying mounting frames for steep slope, including mounting frame body and at least two support mechanisms, and mounting frame body is suitable for carrying photovoltaic electric board;Two support mechanisms are respectively arranged in the opposite two sides of mounting frame body, and all are connected with mounting frame body, and any support mechanism includes the support drill rod and fixed structure connected with each other, one end of support drill rod is connected with mounting frame body, and the other end is suitable for inserting ground;Fixed structure includes at least two fixed components, two fixed components are respectively arranged in the opposite two sides of support drill rod, and all are connected with support drill rod, and any fixed component includes the fixed inner tube and fixed outer tube and fixed unit of sliding connection, one end of fixed inner tube is rotatably connected with support drill rod, fixed unit is connected with the one end of fixed outer tube away from fixed inner tube, and fixed unit is suitable for contact with ground, to fixed support support drill rod;The utility model is favorable to improve the stability of mounting frame.

This utility model discloses a soybean testing device, comprising: a testing instrument and a sampling device. The testing instrument is a conventional soybean testing device. The sampling device includes a sampling head and a telescopic tube. The sampling head is fixedly connected to the top end of the telescopic tube, and a connecting tube is provided at the bottom end of the sampling device. The sampling device is connected to the testing instrument through the connecting tube. The telescopic tube is equipped with a ring motor for driving. This utility model uses a ring motor to drive an internal drive ring to rotate, which in turn drives the movable tube to extend and retract via a thread, thereby controlling the extension and retraction of the sampling head to different depths required for testing. By controlling the ring motor, the drive ring drives multiple movable baffles to rotate synchronously and unfold via a rotating rod and a rotating shaft, opening the sampling tube to prevent soybeans from entering the sampling tube during insertion. The sampling tube is then opened again at the required testing depth for sampling and testing.

This utility model discloses a locking mechanism and an optical cable splice box, belonging to the technical field of optical cable splice boxes. It solves the problem that bolts may fall out of the holes in the optical cable splice box before the bolts and nuts are pre-tightened. It includes two detachably connected temporary fasteners. Each temporary fastener includes a insert and a limiting ring fixedly connected to the outer ring of one end of the insert. The inner ring of the insert, away from the limiting ring, protrudes outward to form an outward convex ring. When the two temporary fasteners are detachably connected, the insert of one set of temporary fasteners is inserted into the insert of the other set. This utility model can pre-fix the optical cable splice box body in advance. Then, when the bolt is inserted into the connection hole on the box body, the bolt needs to pass through the temporary fastener and will be threadedly connected to the bolt's thread, thus ensuring that the bolt does not fall out even when it is inserted into the box body and the nut is not pre-tightened.

The invention relates to a cooler for cooling a power electronic component, comprising a housing part having a flow channel for a cooling fluid; the invention relates to a heat exchanger comprising a flow channel, and a turbulator having a periodic alternating structure, the turbulator being arranged in the flow channel, the flow channel extending in a flow direction, and the inflow direction into the turbulator and the outflow direction out of the turbulator being oriented parallel to each other.

The invention relates to the technical field of liquid drop collecting devices, in particular to a liquid drop collecting device based on a micro-fluidic chip. According to the technical scheme, the micro-fluidic chip comprises a base and a liquid collecting box, the upper end of the base is provided with a micro-fluidic chip body located above the liquid collecting box through two supporting plates, the upper end and the lower end of the micro-fluidic chip body are connected with a liquid inlet assembly and a liquid outlet pipe respectively, and the micro-fluidic chip further comprises a liquid drop cover body, a limiting piece, a buoyancy triggering piece, a distance adjusting plate piece and a driving piece. The liquid drop cover body is arranged at the lower end of the liquid outlet pipe, so that liquid drops are effectively prevented from being in contact with air in the dropping and collecting process to influence the purity of the liquid drops, and meanwhile, the liquid drops are prevented from splashing; the driving piece and the distance adjusting plate piece are arranged in the liquid collecting box, so that the liquid outlet end of the liquid outlet pipe and the highest liquid level in the liquid collecting box are always kept between a low liquid level line and a high liquid level line, overlarge fall is avoided, the bottom end of the liquid outlet pipe is also prevented from being inserted into liquid, and the liquid drop collecting effect is further guaranteed.

The invention provides an end cover assembly, an energy storage device and a power utilization system. The end cover assembly comprises a top cover, the top cover is provided with a first surface and a second surface which are oppositely arranged, the top cover is provided with an anti-explosion hole, and the anti-explosion hole penetrates through the first surface and the second surface; the explosion-proof assembly is arranged on the top cover and seals the explosion-proof hole; the lower plastic cement is arranged on the second surface side of the top cover, the lower plastic cement comprises a plastic cement part, a fence part and a boss, the plastic cement part is connected with the fence part, and the orthographic projection of the fence part on the second surface at least covers part of the explosion-proof hole; the fence part is provided with an open hole and a first exhaust hole, the open hole is closer to the plastic part than the first exhaust hole, the open hole is communicated with a space between the explosion-proof assembly and the fence part and a space of one side, deviating from the top cover, of the lower plastic part, and the first exhaust hole is communicated with a space between the explosion-proof assembly and the fence part and a space of one side, deviating from the top cover, of the lower plastic part; the boss is convexly arranged on the surface, deviating from the top cover, of the plastic part and connected with the fence part.

The utility model provides a fuel tank, which relates to the technical field of fuel tanks and comprises a fuel tank, the top end of the fuel tank is fixedly connected with an oil filling pipe, and an anti-theft mechanism is arranged in the oil filling pipe; according to the anti-theft oil tank, the oil guide cylinder is arranged, a pipeline entering the bottom end of the interior of the oil injection pipe can be blocked, the pipeline is prevented from being inserted, oil in the oil tank is extracted, an oil discharging groove and an oil discharging hole are formed in the oil guide cylinder, and the oil discharging groove and the oil discharging hole are communicated with the oil tank. Oil can conveniently enter the oil tank through the oil discharge groove and the oil discharge hole, the guide plate fixedly connected in the oil tank can be matched with the positioning seat fixedly connected with the inner wall of the guide plate to limit and abut against the oil guide barrel, and the situation that the oil guide barrel is collided by foreign objects and is separated from the oil injection pipe is avoided.

The utility model discloses a bipolar plate air tightness detection device, which comprises an upper frame plate, a supporting rod, a lower frame plate, a cylinder telescopic rod, a pressing block, an upper die, a lower die and a to-be-detected double template, the front side and the rear side of the top of the lower frame plate are respectively provided with a first fixing plate, and the left side and the right side of the top of the lower frame plate are respectively provided with a second fixing plate. And the first fixing plate is movably connected with the second fixing plate. According to the utility model, through the arrangement of the first fixing plates and the second fixing plates, when the to-be-detected dual-template is placed at the top of the lower die, the two groups of first fixing plates and the two groups of second fixing plates are used for fixing and sealing the to-be-detected dual-template, so that gas leakage during detection is prevented, and the problem that the to-be-detected dual-template cannot be detected due to tight contact and attachment of the upper die, the lower die and the to-be-detected dual-template is solved. The problems that the air pressure in a closed cavity is difficult to reach a set detection pressure value, the detection precision is reduced and misjudgment of a detection result is possibly caused due to the fact that the air pressure in the closed cavity is difficult to reach the set detection pressure value due to the fact that effective sealing measures are lacked at the edge are solved.

The application relates to a neural network model processing method and device, equipment and a storage medium. The method comprises the following steps: calculating input channel to-be-filled values and output channel to-be-filled values of a target operator of a to-be-processed neural network model; storing the input channel to-be-filled values and the output channel to-be-filled values of the target operator in an input channel mask array and an output channel mask array of the target operator in the form of masks; performing a parameter filling operation on the target operator according to the input channel mask array and the output channel mask array storing the to-be-filled values; inserting a filling operator and / or a clipping operator into the to-be-processed neural network model according to the target operator after the parameter filling operation is performed, to obtain a target neural network model. The application can avoid inserting unnecessary operators into the target neural network model, and improve the running efficiency of the target neural network model on an AI special chip.

The utility model relates to the technical field of electric welding machines, and discloses an electric welding machine with a protection device, which comprises an electric welding machine body, and the surface of the electric welding machine body is fixedly connected with a protection assembly. According to the electric welding machine with the protection device, through the arrangement of the protection assembly and the clamping assembly, when the electric welding machine is used, a clamping plate is pulled, the clamping plate moves to drive a clamping column to move, the clamping column moves to be pulled out of the interior of the protection plate, at the moment, a torque spring is reset, the protection plate is driven to rotate, and therefore a plug can be inserted into the electric welding machine body; during storage, a protection plate is rotated, a torque spring is in a torque state, a clamping plate is loosened, a clamping spring drives the clamping plate to reset, a clamping column is inserted into the protection plate, the protection plate protects an electric welding machine body insertion opening, and during storage, dust can be prevented from entering the insertion opening and polluting the insertion opening; therefore, the service life of the electric welding machine is prolonged.

This invention provides a plug-in / plug-out mechanism for an LED display device and an LED display device. The plug-in / plug-out mechanism includes: a power socket; and a power plug, including a second base, a second conductive element movably disposed on the second base, a plurality of first driving elements, and a plurality of first reset elements. Each first driving element can be subjected to a first driving force opposite in direction to a first reset force. When the first driving force on each first driving element is less than the corresponding first reset force, the second conductive element is in a first disconnected position. When the first driving force on each first driving element is greater than the corresponding first reset force, the plurality of first driving elements can move to drive the second conductive element toward the first conductive element, so that the second conductive element moves from the first disconnected position to the first connected position. The technical solution of this application effectively solves the problem in related technologies where the plug is prone to misalignment and difficult to insert into the socket.

The present application belongs to the technical field of groundwater sampling, and particularly relates to a method for preventing layer mixing during groundwater sampling in a water well, comprising the following steps: injecting clean water into the sampling water well and flushing the well wall, and then pumping out the mixed water at the bottom of the sampling water well; setting a blocking device in the sampling water well to intercept the seepage water above the sampling layer; setting a water collector below the blocking device in the sampling water well, with the tube mouth of the water collector leaning against the well wall to collect the seepage water; after sampling is completed, the tube mouth of the water collector is closed, the blocking device is removed, and the water collector is recovered to complete the sampling. By means of the blocking device, the seepage water above the sampling layer is guided away along the blocking device, so that the water collected from the sampling layer is relatively accurate, and layer mixing is avoided. By means of the water collector leaning against the well wall to collect water, insertion into the well wall is avoided, the content of silt in the sampled water is reduced, and the water collector and the water pump can be prevented from being blocked.

This application discloses a tire gripping and moving mechanism, relating to the field of tire conveying technology. It includes: a transverse rail frame; a lifting base frame slidably mounted on the transverse rail frame; a gripping frame slidably mounted on the lifting base frame; and a clamping assembly for gripping tires mounted on the gripping frame. The clamping assembly includes a clamping base plate hinged to the gripping frame. The clamping base plate is oscillating and driven by a fourth power unit mounted on the gripping frame. A plurality of expanding plates are distributed circumferentially on the clamping base plate. These expanding plates are radially moved and mounted on the clamping base plate by a fifth power unit mounted on the clamping base plate. This solves the problems of traditional tire conveying, improves conveying efficiency, reduces labor intensity and labor costs, and enhances personnel safety.

The utility model discloses a nasopharyngoscope convenient to use, which comprises a nasopharyngoscope body, the axis of an examination channel of the nasopharyngoscope body extends forwards along the longitudinal direction, a lens is embedded at the front end of the examination channel, and a depth detection limiting component capable of sliding along the axial direction to change the position is coaxially combined on the periphery of the examination channel. And a position locking assembly is coaxially combined at the end part, far away from the lens, of the depth detection limiting assembly. The nasopharyngoscope has the advantages that the depth detection limiting assembly capable of sliding in the axial direction to change the position is coaxially combined on the periphery of the examination channel of the nasopharyngoscope body, and then the depth of the examination channel extending into the nasopharynx of a patient can be forcibly limited in the mode that the flexible fins of the depth detection limiting assembly make contact with the peripheries of the nostrils of the patient; accurate control of the depth probing into the nasopharynx is achieved, meanwhile, a certain safety effect is achieved, and the situation that an examination channel is accidentally inserted into the nasopharynx too deep is avoided.

The utility model discloses an expanded-head anchor rod hole measuring device which comprises a center rod and a sleeve, the diameter of the lower end of the sleeve is larger than that of the upper end of the sleeve, and the expanded-head anchor rod hole measuring device is characterized in that the center rod penetrates into the sleeve, scales are arranged at the upper end of the sleeve, movable arms are evenly hinged to the lower end of the sleeve, and the other ends of the movable arms extend out of the sleeve from openings in the side wall of the lower end of the sleeve. Contact balls are arranged at the ends, extending out of the sleeves, of the movable arms, bottom plates are fixedly connected to the bottoms of the sleeves, elastic connecting pieces are fixedly connected to the bottom plates, the other ends of the elastic connecting pieces are fixedly connected to the ends, close to the center rod, of the movable arms, the number of the elastic connecting pieces corresponds to that of the movable arms, and fastening bolts for locking the sleeves and the center rod are arranged at the upper ends of the sleeves. The expanded head anchor rod hole measuring device is small, exquisite, flexible, good in stability, labor-saving in operation and high in applicability. The end of the movable arm is provided with the contact ball which can prevent the end of the movable arm from being inserted into soil on the hole wall, and the hole diameter measurement accuracy is high.