30results about How to "Loose realization" patented technology

The present invention discloses a washing machine belt pulley loosening detection method and a washing machine belt pulley loosening detection device. The detection method comprises the steps of detecting a load parameter of a motor of a washing machine; if a condition a and / or a condition b is / are satisfied, determining that a belt pulley loosens, wherein the load parameter and the load of the motor are directly proportional, the condition a is that the increase amount of the load parameter within a first time period is less than a first preset value, and the first time period is located at an acceleration rotation stage of the motor; the condition b is that within a second time period after the first time period, the increase speed of the load parameter is greater than a second preset value. The washing machine belt pulley loosening detection method disclosed by the present invention determines whether the belt pulley loosens according to the change condition along with the time of the load parameter which is directly proportional with the load of the motor, so that the loosening of the belt pulley is detected, and accordingly, the potential safety hazards generated by the loosening of the belt pulley can be eliminated.

The invention relates to the technical field of power equipment maintenance tools, in particular to a connecting device which comprises a chuck base and a sliding block, a static chuck is arranged atthe upper end of the chuck base, a guide hole is formed in the lower end of the chuck base, the sliding block penetrates through the guide hole and can slide in the guide hole in a reciprocating mode,the upper end of the sliding block is connected with a movable chuck, and the movable chuck and the static chuck can be matched to clamp an object. A through hole is formed in the sliding block in the axial direction, a screw rod is arranged in the through hole, the upper end of the screw rod is rotatably connected with the sliding block, a locking key is hinged to the side wall of the chuck base, locking threads are arranged on the side, facing the screw rod, of the upper end of the locking key, and a locking key spring is arranged between the lower end of the locking key and the chuck base.Therefore, the locking thread of the locking key deflects towards the screw rod in a natural state and is in threaded engagement with the screw rod; and the connecting device is convenient to operate, firm and reliable in connection, capable of greatly shortening the operation time for connecting or loosening the clamped object, simple and small in structure and suitable for construction in a narrow space.

The invention discloses a same-body different-diameter reverse spiral screw fastening assembly not loose permanently, and belongs to the technical field of fasteners. The same threaded rod is dividedinto a plurality of rod sections with the diameters sequentially reduced, and outer threads on every two adjacent rod sections are opposite in turning direction. All the rod sections are provided withmatched nuts. In addition, lock clamps different in structure are arranged to clamp the nuts and prevent every two adjacent nuts from doing opposite reverse rotation. The assembly is suitable for thesituation that fastened pieces are provided with through holes, after a same-body different-diameter reverse spiral bolt assembly is made for fastening, under the action of vibration force, due to areverse turning direction structure, the contradictory loosening and tightening rotation tendency can be generated between every two adjacent nuts, and the two nuts cannot generate same-direction rotation displacement. Meanwhile, the lock clamps lock the relative positions when every two adjacent nuts are fastened, and the two nuts cannot generate opposite reverse rotation displacement. Accordingly, the effects that after fastening, loosening does not happen permanently, and detachment is convenient are achieved.

The invention relates to a clamp for disc scissors grinding. The clamp comprises a mandrel, and further comprises a spacer bush, a screw and a locking nut, wherein a shaft shoulder is arranged on theouter peripheral surface of the mandrel; a regulating slot which passes through the axis of the mandrel and penetrates through the mandrel is formed in the mandrel in along the axis of the mandrel; the spacer brush is movably arranged on the mandrel in a sleeving mode; the screw is arranged at one end, away from the shaft shoulder, of the spacer brush; the screw is positioned in the regulating slot; and the two ends of the screw extend to the outside of the regulating slot, and each end is screwed with a locking nut, when the locking nut is screwed to cling to the mandrel on a bolt, the screwis clamped in the regulating slot. The clamp has the beneficial effects that: when the number of the disc scissors is changed, the position, in the regulating slot, of the screw is changed, so that different numbers of disc scissors can be clamped, and therefore, the clamp is better in flexibility and is more convenient.

The invention discloses a multifunctional mobile office vehicle, including a base, an upper column, a lower column, a television installation mechanism and a tray. The lower column is fixedly installed on the base. The underside of the base is provided with wheels. The upper column can be slidably inserted in the lower column. The television installation mechanism and the tray are respectively fixedly installed on the upper column. The multifunctional mobile office vehicle is characterized by also including a locking device and a telescopic support part. Both ends of the elastic telescopic direction of the telescopic support part are respectively fixedly connected with the upper column and the lower column. The locking device can achieve the fixed position of the upper column and the lower column. A friction part and a driving part are arranged on the upper column in the multifunctional mobile office vehicle and the friction part along the upper column is radially moved through driving to make the friction part and the lower column against friction or loose, thereby achieving the locking and positioning of the upper column and the lower column. A drive device utilizes an eccentric shaft with a handle, which can achieve locking by one spin and can achieve loosening by another spin, and has the advantages of simple structure, convenient operation and low manufacturing cost.

The invention discloses an allogenic different-diameter reverse-screwing bolt fastening assembly, and belongs to the technical field of fastening parts. The fastening assembly comprises two or more than two independent separated bolts; the diameters of screws of the bolts are orderly arranged from large to small and sequentially and progressively decreased, and the lengths of the corresponding screws are sequentially and progressively increased from small to large according to the order; the screwing directions of outer threads formed in the screws of every two adjacent bolts are opposite according to the order; each bolt is provided with a penetrating hole except the smallest bolt; and the fastening assembly is further provided with a locking clamp. The allogenic different-diameter reverse-screwing bolt fastening assembly has the beneficial effects that as long as one bolt is loose, another bolt can be screwed in the same direction, the screwing directions of the large bolt and the small bolt are opposite, one bolt can be always tend to be screwed in the more fastened direction when bolt loosing occurs, the two bolt heads simultaneously generate the loosing and fastening contradictory tendencies, therefore, the bolt heads actually can not generate any same-direction or opposite-direction rotating displacement, and then the long-term fastening purpose is achieved.

The invention relates to the technical field of clamp structures, in particular to a high-precision six-jaw duplex floating type self-centering clamping mechanism and a clamping method. The clamping mechanism comprises a clamp body and further comprises at least two sets of clamping jaws, and each set comprises at least three clamping jaws; an inclined mounting groove is formed in the clamp body; each clamping jaw comprises a diagonal draw bar, which is arranged in the mounting groove in a penetrating mode and can move in the length direction of the mounting groove, and a clamping jaw body, which is fixed to the end, extending out of the outer side of the clamp body, of the corresponding diagonal draw bar; plunger cylinders used for driving the diagonal draw bars to move along the mounting groove so as to tighten the clamping jaw bodies to clamp a workpiece are arranged in the clamp body; and the plunger cylinders are in one-to-one correspondence with the diagonal draw bars, the driving speeds of the corresponding plunger cylinders in the same set of clamping jaws are consistent, and the driving speeds of the plunger cylinders in different sets of clamping jaws are different. The clamp is simple in structure and convenient to operate, pre-clamping and pre-positioning of the workpiece are achieved by controlling the clamping speeds of different sets of clamping jaws, the clamping precision of the workpiece is improved, and the technical problem of turning thermal deformation is solved.

The invention relates to a locking mechanical fastener comprising a fastener head device, a limiting device and a tightening device. The left end of the fastener head device is provided with the limiting device, and the tightening device is installed at the right end of the fastener head device. The locking mechanical fastener can solve the problem that the existing two through-hole parts need tobe fastened under matching of the existing bolts and nuts during connection, the bolts and the nuts of the same specification need to be found during fastening, the process is troublesome and complex,and loosening may be caused during long-term fastening. The locking mechanical fastener can achieve the function of multiple limiting locking between the two through-hole parts. The bolts and the nuts are combined into one, and a user does not need to find matched fasteners. After the two through-hole parts are connected, multiple limiting fastening is conducted, no loosening occurs as time goesby, and the operation is simple.

The invention discloses a novel assembly type aluminum alloy anti-seismic frame structure. Each stainless steel T-shaped connecting plate is composed of a connecting plate flange and a connecting plate web integrally and fixedly connected to the middle of the flange, and two rectangular I-shaped column base plates are arranged on the inner side of the aluminum alloy I-shaped column flange; the connecting plate webs in the pair of stainless steel T-shaped connecting plates which are oppositely arranged are oppositely arranged and are connected through two aluminum alloy groove-shaped beams; at least one rectangular groove-shaped beam base plate is mounted between the two aluminum alloy groove-shaped beams; and the upper portion of each connecting plate flange is connected with a groove-shaped beam flange above the corresponding aluminum alloy groove-shaped beam through an upper stainless steel angle connecting piece, the middle of the connecting plate flange is connected with a groove-shaped beam web through a middle stainless steel angle connecting piece, and the lower portion of the connecting plate flange is connected with a lower groove-shaped beam flange through a lower stainless steel angle connecting piece. The stainless steel T-shaped connecting plates can effectively gather the beams, the columns and the supports at one position, and the integrity of the frame structure is improved.

The invention discloses a separating pulling device for loose knee joints for the rehabilitation department. The device comprises a base, a longitudinal sliding groove is formed in the middle of the upper side of the base, and bottom surface sliding blocks of sliding rail plates are respectively and slidably connected with the front and back sides in the sliding groove; threaded holes in the frontside surfaces of the bottom surface sliding blocks of the two sliding rail plates are respectively in threaded connection with the side surfaces of the front and back ends of a threaded rod, the backend of the threaded rod is connected with the back side surface of the sliding groove through a bearing, and the front end of the threaded rod is connected with the front side surface of the slidinggroove through a bearing; the extending part of the front end of the threaded rod penetrates through the front side surface of the base and is provided with a handle, threads of the front and back ends of the threaded rod are reverse threads, and sliding rails are respectively arranged on the upper surfaces of the two sliding rail plates; the practicability is high, the operation is simple, a mechanical method can replace manual pulling, the width of two legs of a person can be adjusted, one leg can be singly pulled, under the circumstance that the thighs are motionless, the knees are loosened, and the knees can be loosened under the circumstance that the thighs and the shanks move synchronously.

An efficient desilting device for a water conservancy project comprises a bottom plate, wherein the front side of the surface of the lower end of the bottom plate is slidably connected with a first sliding plate capable of reciprocating left and right, the surface of the front end of the first sliding plate is fixedly connected with a key-shaped plate, and a drill bit capable of reciprocating up and down while rotating is installed in the middle of the lower end of the key-shaped plate; a containing box capable of being overturned backwards is hinged to the upper end of the bottom plate, a tail door making contact with the surface of the rear end of the containing box is arranged on the rear side of the upper end of the bottom plate, and when the containing box is overturned backwards, a structure that the tail door is overturned upwards to be disengaged from the containing box can be formed; and extension plates are fixedly connected to the middles of the surfaces of the left end and the right end of the bottom plate respectively, long sleeve plates capable of moving up and down are mounted at the upper ends of the extension plates respectively, long mounting plates capable of moving left and right are mounted at the upper ends of the long sleeve plates respectively, and buckets capable of being folded inwards or unfolded outwards intermittently are mounted at the lower ends of the long mounting plates respectively. Blocky sundries at the river bottom can be fished through the bucket which can be intermittently folded inwards or opened outwards.

The invention provides a super capacitor module set, which comprises a shell, and a super capacitor module which is adapted to the shell, arranged in the shell and sealed by the shell. The super capacitor module comprises a plurality of super capacitor single units and a mould set guide column, wherein the plurality of the super capacitor single units are connected with each other in series and / or in parallel; each super capacitor single unit comprises a module set anode single unit and a module set cathode single unit; the module set anode single units and the module set cathode single units are provided with polar columns which are electrically connected with the outside and provided with outer threads on the surfaces; and the mould set guide column is electrically connected with the module set anode single units and the module set cathode single units. The mould set guide column comprises a connection end and a leading-out end, wherein the connection end is equipped with threaded holes which are connected with the polar columns provided with the outer threads; the threaded holes are formed by arranging openings from the end face of the connection end to the inside of the mould set guide column along an axial direction of the mould set guide column, and the threaded holes are adapted to the outer threads of the polar columns; and the leading-out end passes through the shell. The module set anode single units and the module set cathode single units are connected with the mould set guide column through the outer threads and the threaded holes, and therefore the connection is firm and the assembling is time-saving and labor-saving.

The invention discloses an Oldham coupling. A first half coupling, a second half coupling and a connecting plate form a main body structure of the Oldham coupling, a driving shaft and a driven shaft are connected through rotating shaft inserting grooves on the left side and the right side, a first inserting groove, a first threaded groove, an L-shaped screw rod, a second threaded groove and a screw are used for connecting and fixing the first half coupling, the second half coupling and the connecting plate, the L-shaped screw rod and the screw are in vertical relation so as to effectively prevent the L-shaped screw rod from being loosened, and a first connecting plate, a first mounting block, a first circular groove, a connecting groove and a triangular groove are used for forming a main body structure of the first connecting plate. According to the Oldham coupling, the L-shaped screw rod is perpendicular to the screw so as to effectively prevent the L-shaped screw rod from being loosened, motion and torque transmission between the first connecting plate and a second connecting plate are achieved, the acting force on a second mounting block can be reduced through a connecting blockand a triangular block, so that dispersion of the acting force is realized, and the service life is prolonged.

The invention discloses a structure for preventing a nut from loosening, and relates to the field of nut loosening prevention. The structure comprises a first locked object, a second locked object, a screw and the nut; a first through hole is formed in the first locked object, a second through hole is formed in the second locked object, and the nut is in threaded connection with the outwards-protruding part of the screw; the structure further comprises an anti-rotation insert and an elastic device; a plurality of clamping grooves which are sunken in the axis direction are formed in the outer wall of the nut in an annular array mode, so that a circle of teeth can be formed on the outer wall of the nut; the elastic device is arranged on one side of the nut and drives one end of the anti-rotation insert to be inserted into any clamping groove of the nut, and the end, inserted into the clamping groove, of the anti-rotation insert comprises an inclined surface, so that the nut can only rotate in the locking direction, and the other rotation direction of the nut is jammed by one end of the anti-rotation insert. The problem that the nut and the screw are loosened due to vibration is mainly solved.

The invention discloses an efficient and automatic fruit receiving device for agricultural planting in the technical field of fruit receiving, the efficient and automatic fruit receiving device for agricultural planting comprises a frame, a sliding groove is formed in the frame, a first supporting shaft is slidably connected to the interior of the sliding groove in a limited mode, a soil turning plate is fixedly connected to the first supporting shaft, and an embedding groove is formed in the soil turning plate; a brush auger is rotationally connected into the caulking groove, a second supporting shaft is rotationally connected to the frame, a screening hopper is rotationally connected to the second supporting shaft, a connecting base is fixedly connected to the soil turning plate, a hinge plate is hinged between the connecting base and the screening hopper, an axle is rotationally connected to the frame, and wheels are fixedly connected to the two ends of the axle; a cam capable of pushing the soil turning plate to move in the direction away from the screen hopper is fixedly connected to the axle. The problems that fruits under soil are directly and violently produced by existing receiving equipment for receiving, so that the fruits are damaged, storage of the fruits is affected, and income is reduced due to difference of selling of the fruits are effectively solved.

The invention relates to the field of power equipment maintenance tools, in particular to a wiring device which comprises a connecting sleeve, a static chuck is fixedly connected to the upper end of the connecting sleeve, a movable chuck is correspondingly arranged below the static chuck, the movable chuck and the static chuck can be matched to clamp a wire, and the movable chuck is connected withthe top end of a sliding rod arranged in the connecting sleeve. The sliding rod can rotate in the connecting sleeve and can slide up and down in a reciprocating mode, a threaded section is arranged on the sliding rod, a locking key is hinged to the side wall of the connecting sleeve, the upper end of the locking key is a locking end, the lower end of the locking key is an unlocking end, and locking threads matched with threads of the threaded section are arranged on the side, facing the threaded section, of the locking end. The unlocking end is elastically connected with the accommodating groove through a locking key spring, and the locking end of the locking key is meshed with the thread of the threaded section in a natural state through the elastic force of the locking key spring. The wiring device is convenient and fast to operate, leads are firmly and reliably connected, and the operation time for connecting or loosening the leads can be greatly shortened.

The invention provides a joint connecting structure, and relates to the field of framework structure design. According to the technical scheme, the joint connecting structure comprises a main beam, a cross beam, a first inclined supporting beam, a second inclined supporting beam, a connector and a connecting piece, wherein the connector is fixedly connected with the main beam; the connector comprises a transverse branch head, an upper inclined branch head and a lower inclined branch head, the upper inclined branch head and the lower inclined branch head are symmetrically distributed relative to the transverse branch head, and the transverse branch head, the upper inclined branch head and the lower inclined branch head are respectively connected with the cross beam, the first inclined supporting beam and the second inclined supporting beam; the connecting piece is provided with a plurality of first penetrating holes; the connector, the cross beam, the first inclined supporting beam and the second inclined supporting beam are provided with second penetrating holes; and the second penetrating holes are matched with the first penetrating holes. The joint connecting structure has the beneficial effects of high joint connecting strength and long service life. The invention also provides an assembly type beam frame which comprises a plurality of mutually-assembled joint connecting structures and has the beneficial effects that the joint connecting strength is high, and breaking cannot easily occur.

The invention relates to a method for operating a starting aid of a motor vehicle having at least one parking brake (8), wherein the parking brake is released in response to an actuation of a accelerator pedal (11) of the motor vehicle (8), and wherein the disengagement of the parking brake (8) is released according to an amount representative of lane gradient (FS). It is provided that when the pedal (11) of the motor vehicle (1) reaches or exceeds a predeterminable release position by the actuation, the release takes place independently of the quantity or the availability of the quantity, so that Release the parking brake (8).

The invention relates to a dispensing laser mechanism. The dispensing laser mechanism is characterized in that a laser part is fixedly arranged at the outer side of the laser fixing plate, and a dispensing-valve lifting cylinder is fixedly arranged at the inner side of the laser fixing plate; a lifting plate is connected on the dispensing-valve lifting cylinder, a dispensing-valve clamping block a is fixed on the lifting plate, a dispensing valve is arranged on the lifting plate by the dispensing-valve clamping block a and a dispensing-valve clamping block b; a sensor installing plate is arranged at the upper side of the lifting plate, and a sensor fixing block is arranged on the sensor installing plate and is provided with a sensor; and one side of a glue drum is close to the sensor, and the lower end of the glue drum is communicated together with the dispensing valve by a glue-connecting elbow. The dispensing laser mechanism has the advantages that when the dispensing laser mechanism moves to the dispensing position, the laser part measures the dispensing height and calculates the glue discharging amount; the sensor is used for detecting the glue amount in the glue drum; and the dispensing valve moves to the dispensing position to carry out dispensing, and can be used for accurately measuring the dispensing height and measuring the glue amount, and the laser part is convenient for controlling the glue discharging amount.

The invention discloses a loosening device for an underground well lid of a municipal road. The loosening device comprises a main body shell. According to the loosening device, a gear and worm principle is utilized, and the underground well lid can be cyclically and effectively loosened so that the underground well lid can be opened under the condition that the damage degree is low; moreover, thedevice is provided with a certain mechanical protection mechanism so that the well lid can be effectively protected in the working process on the premise of independence, and the phenomenon that the well lid is damaged due to excessive looseness is prevented; furthermore, the device is provided with an annular array spring compression abutting type rotation force control mechanism so that the maximum force during rotation can be controlled, and the phenomenon that a driving motor is damaged due to excessive rotation resistance is prevented; and in addition the device is provided with a reversethread structure rotary longitudinal height adjusting mechanism so that the tension degree between components can be adjusted, and then the device can effectively improve the working efficiency.

The invention provides a separating structure at the tail end of a sliding track of an unmanned plane ejector. The separating structure mainly comprises a traction ring wrapping body hook, an electric ejector rod with a hook, an ejector rod motor and the like, wherein the traction ring wrapping body hook is connected with the electric ejector rod with the hook; and the ejector rod motor which is fixed on the bottom of the separating structure is connected with the tail end of the electric ejector rod. When the motor rotates, a traction ring can be driven to move vertically, and the unmanned plane ejector can be separated from the sliding track.

The invention discloses a tunnel kiln for treating organic waste through waste heat. The tunnel kiln structurally comprises a kiln body, a heating device, a kilneye, a driving device and a hooking, rotating, water filtering and loosening device, wherein the kiln body is of a hollow rectangular structure; the heating device is arranged below the inner part of the kiln body; the kilneye is arranged at the front end of the kiln body and is integrally formed; the driving device is arranged above the middle of the kiln body; and the hooking, rotating, water filtering and loosening device is arranged at the middle position of the inner part of the kiln body and is connected with the driving device. The hooking, rotating, water filtering and loosening device first vertically lies, and is embedded in the organic garbage in a down-rotating manner with a relatively small area and under relatively high pressure intensity, so that the primary loosening of the garbage is realized; and the hooking, rotating, water filtering and loosening device is then tiled, and an inverted V-shaped filter net is adopted to filter a part of water; and meanwhile, the garbage is loosened, so that the evaporation of water in the accumulated organic garbage is accelerated, and the quick and thorough energy-saving incineration is realized.

The invention provides a super capacitor module set, which comprises a shell, and a super capacitor module which is adapted to the shell, arranged in the shell and sealed by the shell. The super capacitor module comprises a plurality of super capacitor single units and a mould set guide column, wherein the plurality of the super capacitor single units are connected with each other in series and / or in parallel; each super capacitor single unit comprises a module set anode single unit and a module set cathode single unit; the module set anode single units and the module set cathode single unitsare provided with polar columns which are electrically connected with the outside and provided with outer threads on the surfaces; and the mould set guide column is electrically connected with the module set anode single units and the module set cathode single units. The mould set guide column comprises a connection end and a leading-out end, wherein the connection end is equipped with threaded holes which are connected with the polar columns provided with the outer threads; the threaded holes are formed by arranging openings from the end face of the connection end to the inside of the mould set guide column along an axial direction of the mould set guide column, and the threaded holes are adapted to the outer threads of the polar columns; and the leading-out end passes through the shell.The module set anode single units and the module set cathode single units are connected with the mould set guide column through the outer threads and the threaded holes, and therefore the connection is firm and the assembling is time-saving and labor-saving.

The invention provides a monitoring support structure in a general aviation cockpit, which relates to the technical field of monitoring devices and comprises a base and a mounting part, the base is fixed on a cabin wall through four fixing bolts, a mounting seat A is clamped and mounted on the base, and a mounting rod is welded on the mounting seat A; the mounting seat B is in threaded connection with a stud, and the tail end of the stud is welded with a frame; the frame is in threaded connection with a locking bolt, and the head end of the locking bolt is in abutting contact with the outer wall of the mounting rod, so that the position locking of the mounting seat B and the movable ball can be realized, simply, the simultaneous locking after a plurality of adjusting structures are adjusted can be realized, and compared with the prior art, the device is more rapid and convenient to lock, a plurality of locking pieces do not need to be adjusted, and the use is convenient. The problem that although an existing device can be adjusted in multiple directions, a plurality of locking bolts need to be used for locking a plurality of adjusting parts after the existing device achieves multi-direction adjustment, and operation is tedious is solved.

The invention provides a tail end magnetic ring releasing device for an aircraft booster. The tail end magnetic ring releasing device mainly and structurally comprises a towing ring wrapping body hook, an electric ejecting rod with a hook, an ejecting rod motor and the like. The towing ring wrapping body hook is connected with the electric ejecting rod with the hook. The ejecting rod motor fixed to the bottom is connected with the tail end of the electric ejecting rod. When the motor rotates, a towing ring can be driven to shift perpendicularly, and therefore releasing is achieved.

The invention discloses a bolt loosening positioning detection method based on working mode strain fiber grating sensing. The wavelength time history before bolt loosening is collected through a fiberbragg grating demodulator, then part of bolts on the structure are loosened through a tightening torque wrench, meanwhile, all orders of modalities after bolt loosening are excited through knocking of a forcible hammer, and the wavelength time history after bolt loosening is collected. A positive strain power spectrum of a single measuring point is fit through fast Fourier transform, a Forsythe orthogonal polynomial and a least square method, a steady-state diagram is constructed to obtain an inherent frequency and a damping ratio of the structure, and a strain modal shape of the structure iscalculated by adopting a strain transmissibility method on the basis of the inherent frequency and the damping ratio; and after the inherent frequency and modal strain before and after the structureis loosened are obtained, the bolt loosening damage identification quantity and threshold value of inherent frequency and strain vibration mode hybridization are obtained to identify the bolt loosening position. According to the method, whether bolt loosening occurs in a bolt set in the structure or not can be efficiently detected, and the positions of the loosened bolts in the bolt set can be accurately positioned.

The invention relates to a locking mechanical fastener comprising a fastener head device, a limiting device and a tightening device. The left end of the fastener head device is provided with the limiting device, and the tightening device is installed at the right end of the fastener head device. The locking mechanical fastener can solve the problem that the existing two through-hole parts need tobe fastened under matching of the existing bolts and nuts during connection, the bolts and the nuts of the same specification need to be found during fastening, the process is troublesome and complex,and loosening may be caused during long-term fastening. The locking mechanical fastener can achieve the function of multiple limiting locking between the two through-hole parts. The bolts and the nuts are combined into one, and a user does not need to find matched fasteners. After the two through-hole parts are connected, multiple limiting fastening is conducted, no loosening occurs as time goesby, and the operation is simple.

The invention discloses a tunnel kiln for treating organic waste through waste heat. The tunnel kiln structurally comprises a kiln body, a heating device, a kilneye, a driving device and a hooking, rotating, water filtering and loosening device, wherein the kiln body is of a hollow rectangular structure; the heating device is arranged below the inner part of the kiln body; the kilneye is arranged at the front end of the kiln body and is integrally formed; the driving device is arranged above the middle of the kiln body; and the hooking, rotating, water filtering and loosening device is arranged at the middle position of the inner part of the kiln body and is connected with the driving device. The hooking, rotating, water filtering and loosening device first vertically lies, and is embedded in the organic garbage in a down-rotating manner with a relatively small area and under relatively high pressure intensity, so that the primary loosening of the garbage is realized; and the hooking, rotating, water filtering and loosening device is then tiled, and an inverted V-shaped filter net is adopted to filter a part of water; and meanwhile, the garbage is loosened, so that the evaporation of water in the accumulated organic garbage is accelerated, and the quick and thorough energy-saving incineration is realized.

The invention relates to a bolt detection device based on a double-ring patch antenna with a tag, which is used for detecting whether a bolt for connecting two connecting members is rotated and loosened, and comprises an RFID tag which is arranged on the connecting member and sleeves the outer edge of the bolt, and the RFID tag comprises a first assembly, a second assembly and a third assembly, the second assembly is fixedly arranged on the connecting member, the first assembly and the third assembly are fixedly connected with each other and are matched with the second assembly, an antenna capacitor of the RFID tag is formed between the first assembly and the second assembly, and a bolt fixing part used for sleeving the outer edge of a bolt is arranged on the third assembly; and the first assembly and the third assembly can rotate along with the bolt. Compared with the prior art, the device and system have the advantages of being high in precision, convenient to detect, wide in application range and the like.