108results about How to "Play a fastening role" patented technology

The invention discloses vacuum adsorption equipment used for fixing a thin-wall plane workpiece, comprising a vacuum adsorption plate and a sealing cover plate. N suction holes penetrating through the vacuum adsorption plate are arranged on the upper surface of the vacuum adsorption plate, m vacuum grooves which are not communicated are arranged on the lower surface of the vacuum adsorption plate, and each vacuum groove is communicated with a plurality of suction holes and is also communicated with an air suction pipe of a vacuum-pumping system. Periphery of each vacuum groove is provided with surrounding vacuum grooves and annular sealing grooves which are not communicated, each vacuum groove is internally filled with a sealing material, and m vacuum adsorption regions which are not communicated are formed on the upper surface of the vacuum adsorption plate by the vacuum grooves and the sealing cover plate. By combining plugs of the suction holes, the problem that workpiece adsorption failure is caused by the fact that one suction hole is suddenly sealed in a working process of a vacuum adsorption device, the vacuum adsorption problem that a workpiece body is provided with a through hole and the problem of cutting operation inside a workpiece in the vacuum adsorption fixed mode can be solved.

The invention relates to the field of electric vehicle connectors, and in particular relates to a novel electric vehicle connector plug with a convertible contact pin. The electric vehicle connector plug comprises a power supply plug and a changeover plug, wherein the power supply plug is provided with a power supply contact pin, the power supply contact pin is connected with a power supply cable; the changeover plug is detachably connected with the power supply plug, and the changeover plug is provided with a jack connected with the power supply contact pin, and a connecting contact pin electrically connected with the jack, and the connecting contact pin is used for inserting in the plug. The electric vehicle connector plug further comprises a current detector electrically connected with the changeover plug, a temperature detector electrically connected with the changeover plug, wherein the the current detector is a current detection resistor and can be used for detecting the current system of the access current; and the temperature detector is a thermosensitive resistor and can be used for detecting the temperature of the changeover plug. The electric vehicle connector plug has the beneficial effects that the changeover plug is added to detachably connect with the power supply plug, a user can select the appropriate changeover plug according to the local power utilization system, thereby improving the applicability of the charging connector.

The invention discloses a rotary closed type unilateral bolt fastener, which is characterized in that the front-segment rod body of a screw is a threaded rod, and the tail part of the screw is a polished rod shaft neck segment; a nut is matched with the threaded rod of the screw through threads; three circular cards are respectively a front-end card, a middle card and a tail card, and the sectors of the three circular cards can be axially overlaid on the same one circumferential position through rotation; and the sectors of the three circular cards can also be combined into a round plate body positioned on the same plane. The rotary closed type unilateral bolt fastener realizes unilateral operation and can be widely applied to civil and architectural engineering, mechanical engineering and the like.

The invention discloses a potted plant soil block disengagement preventing logistics box leveled based on earth gravity, and relates to the technical field of logistics transportation. The potted plant soil block disengagement preventing logistics box leveled based on earth gravity comprises a box body, a box cover, a leveling box, a compression spring, a containing plate, first inclined blocks, transmission mechanisms, reset mechanisms and clamping mechanisms. The rear side of the box cover is hinged to the top of the inner rear wall of the box body through a hinge, the leveling box is arranged in the middle of an inner cavity of the box body, and the middle of the inner bottom of the leveling box is fixedly connected with the bottom end of the compression spring. According to the pottedplant soil block disengagement preventing logistics box leveled based on earth gravity, when a potted plant is put in the leveling box, the leveling box can carry out automatic leveling to avoid the condition that the potted plant topples over, meanwhile, a pot body of a flowerpot is fastened through the cooperative arrangement of the transmission mechanisms and the clamping mechanisms, and the problem that soil spills as the potted plant topples over along with toppling of the box body is further avoided.

A novel automobile air conditioner pipeline support comprises a support body and a damping device. The support body is composed of a first support main body and a second support main body. The two ends of an annular structure of the first support main body are bent, overlapped and combined into a plane-shaped connection portion. The connection portion is correspondingly provided with a first through hole. The second support main body is correspondingly provided with a second through hole and a third through hole. The damping device comprises a first damping cushion and a second damping cushion. An axial fourth through hole is formed in the first damping cushion. An axial fifth through hole is formed in the second damping cushion. The second damping cushion is arranged between the first support main body and the second support main body. A bolt sequentially penetrates through the second through hole of the second support main body, the fifth through hole of the second damping cushion and the first support main body to achieve fixed connection. The novel automobile air conditioner pipeline support can greatly weaken pipeline vibration and lower NVH generated by a pipeline refrigerant. The second damping cushion is arranged between the first support main body and the second support main body, and the second support main body is installed on an automobile body; and in this way, vibration transmitted by a pipeline to the automobile body can be further weakened, and noise generated by vibration of the pipeline can be lowered.

The invention relates to a wind driven generator blade lightning protection device, in particular to a wind driven generator blade lightning protection device with a metal blade tip. The device comprises a wind driven generator blade, the metal blade tip arranged on the blade tip part of the wind driven generator blade, and a metal protection sleeve arranged on the metal blade tip in a sleeving manner and connected with the metal blade tip in an electric conduction manner. At least two electric conduction belts are arranged on the upper arc curved face and the lower arc curved face of the opening end of the metal protection sleeve correspondingly in an extending manner. The electric conduction belts extend in the axial direction of the wind driven generator blade and are arranged at intervals in the radial direction. Electric conduction rings are arranged at the positions, at the rear portion of the opening end of the metal protection sleeve, of the blade tip part in a surrounding manner and are connected with the electric conduction belts in an electric conduction manner. The wind driven generator blade lightening protection device has the beneficial effects that compared with the prior art, the technical problem of lightning triggering of a blade tip end is solved effectively, the structure is simple, the cost is low, the dead load is small, the wind driven generator blade lightning protection device can be used for preassembling before the blade is delivered out of a factory and meanwhile can be used for additional installing and transforming of the wind driven generator blade in running.

The invention provides an all-working-condition intelligent solid-sealed high-voltage AC vacuum circuit breaker, and belongs to the technical field of high-voltage switches. The circuit breaker comprises a transmission chamber, an insulating cylinder and an arc extinguishing chamber. The arc extinguishing chamber is arranged in the insulating cylinder. The upper end and the lower end of the arc extinguishing chamber are connected with a supporting rod and a movable conducting rod respectively. The top of the supporting rod is connected with a sealing plate. The bottom of the movable conductingrod is connected with top end of a disc spring. The bottom end of the disc spring is connected with an insulating pull rod. According to the invention, an upper contact and a lower contact in the arcextinguishing chamber can move in opposite directions during opening, so that the burning loss of the contacts is reduced, the shaking after opening is also reduced, and the service life of the contacts is prolonged.

The invention relates to a manipulator for a tire vulcanizing machine. The manipulator for the tire vulcanizing machine comprises a rotating arm, a rotating disk assembly, connecting rods, jaw sheet assemblies, a fixed disk assembly and an adjusting steel ring mechanism. One end of the rotating arm is installed on the tire vulcanizing machine, and the other end of the rotating arm is connected with the fixed disk assembly. The jaw sheet assemblies are fixed to the fixed disk assembly. The rotating disk assembly is connected with the jaw sheet assemblies through the connecting rods. The adjusting steel ring mechanism comprises an air cylinder assembly, an adjusting rod, a connector and a plug pin connecting plate. The plug pin connecting plate is fixed to the rotating disk assembly through a bolt. The front end of the air cylinder assembly is connected with the rotating arm. One end of the adjusting rod is connected with the air cylinder assembly through a connecting assembly. The other end of the adjusting rod is connected with the connector through threads at the end of the adjusting rod. The connector is connected with the plug pin connecting plate through a plug pin. The plug pin connecting plate is provided with corresponding plug pin connecting holes arranged according to the dimensions of steel rings of green tires, so that the rapid adjusting steel ring mechanism is formed. The manipulator for the tire vulcanizing machine has the beneficial effects of being convenient to adjust, high in adjusting speed and high in efficiency.

The invention discloses automatic feeding, cutting-off and conveying equipment for cloth strips. The automatic feeding, cutting-off and conveying equipment comprises a rack, wherein a feeding end, a discharging end, a cut-off device, a control box and a display screen are arranged on the rack; a cloth reel is mounted at the feeding end; a feeding and conveying guide roller is arranged between the cloth reel and the cut-off device; a discharging conveyor belt is arranged between the cut-off device and the discharging end; a mounting base is mounted at the feeding end; the cloth reel is erected on the mounting base; the mounting base comprises mounting plates distributed on two sides; the mounting pate on one side is provided with a positioning structure used for locking the end part of a connecting shaft; the cut-off device comprises a compression roller linked with the output end of the feeding and conveying guide roller; the compression roller is connected with a cutting table; a cutter is arranged above the cutting table; and a press plate is arranged above the discharging conveyor belt. The automatic feeding, cutting-off and conveying equipment for the cloth strips can automatically feed, cut off and convey the cloth strips, maintains the evenness of the cloth strips in the conveying process, achieves automatic operation in the whole course and is high in working efficiency.

The invention discloses a water storage type grass planting brick for municipal environmental protection and a laying method thereof, and belongs to the technical field of grass planting bricks and laying. The water storage type grass planting brick for municipal environmental protection comprises a brick body, wherein a gravel permeable layer and a geotextile layer are laid on the upper end of the brick body in sequence. An annular permeable cavity, a water storage cavity and a grass planting hole which communicate with one another are formed in the brick body, the water storage cavity is used for collecting natural rainwater and slowly releasing the natural rainwater into the grass planting hole so as to provide moisture nutrients for vegetation grass, and a high-strength water retentioncone is embedded into the corner in the grass planting hole, so that one one hand, a water retention effect is achieved on water guided into the grass planting hole, on the other hand, a fastening effect is achieved on planting soil and the vegetation grass which are filled in the grass planting hole, and the water in the grass planting hole is effectively prevented from running off too fast; anda semicircular water cavity and a diversion hole which communicate with each other are formed, so that the natural rainwater can be conducted and evacuated as soon as possible during excessive rainfall, and excessive rainwater is not easy to remain on the surface of the brick.

The invention relates to the technical field of agricultural seedling raising, in particular to a degradable seedling raising pot for breeding rhizophora apiculata. The seedling raising pot is specially designed for a rhizophora apiculata growth environment, and comprises a seedling raising pot body, a base and an anchoring portion. In order to facilitate a root system to penetrate sand during planting with the pot body, an air hole is formed in the bottom of the seedling raising pot; in order to further fasten nursery stocks and prevent the same from lodging and rotting or being flushed awayby sweater, the seedling raising pot is provided with the anchoring portion and the base; the anchoring portion is arranged at the mouth of the pot and can rotate, the base is connected with the pot body through a connecting rod, and two ends of the base can be demounted. The degradable seedling raising pot is integrally made from a decomposable organic material, the pot body does not need to be taken out during planting, convenience, fastness and environment protection are achieved, the survival rate after planting is high, and the work efficiency is improved.

The invention relates to the field of fixing frames of cable bridges of photovoltaic power station lines, in particular to a clamp suitable for a color steel tile roofing and a fixing frame of a cable bridge. The clamp comprises a first clamping block and a second clamping block which are fixed through a bolt, a clamping position on the lower portion of the first clamping block is opposite to a clamping position on the lower portion of the second clamping block to form a clamping end of the clamp, an upper-lower limiting groove is formed in the upper end of the second clamping block, and a positioning flange matched with the upper-lower limiting groove is arranged at the upper end of the first clamping block. The upper-lower limiting groove in the upper end of the second clamping block can limit relative movement of the first clamping block and the second clamping block, the upper-lower limiting groove and the positioning flange are matched to enable a fastening bolt to play a role of fastening only, and the first clamping block and the second clamping block receive force as a whole, so that damage to color steel tiles caused by relative movement of the first clamping block and the second clamping block due to the fact that a single side receives the force is avoided, and requirements on strength of the bolt are lowered.

The invention discloses a self-reset single-side bolt fastener system suitable for the field of civil engineering. The self-reset single-side bolt fastener system comprises four split machine machining gaskets, a cheese bolt, a nut, a sleeve, a washer, a shape memory alloy flat ring and the like. The cheese bolt and the four split machine machining gaskets are located and mounted through an operation rod and an operation top hook. During mounting, the four split machine machining gaskets and the shape memory alloy flat ring are firstly assembled into an extrudable combined gasket, then the extrudable combined gasket, the sleeve, the washer and the nut are sequentially arranged in the operation rod in a sleeved manner, then the operation rod is screwed into a locating screw whole of a wobbler at the end of the cheese bolt, the combined gasket is extruded into an oval shape and is plugged into a bolt hole, and then the extrudable combined gasket is pushed into the bolt hole through the operation top hook; and the combined gasket can achieve springback under the action of the self-reset effect of a shape memory alloy, and the circular shape is restored. The operation rod is pulled back, a protrusion in the combined gasket is clamped into the surface of the inner side of the bolt hole, finally, the sleeve, the washer and the nut are mounted, the nut is screwed preliminarily, the operation rod is dismounted down, the wobbler is screwed off by an electric torque wrench, and final screwing is completed. According to the self-reset single-side bolt fastener system, single-side operation can be achieved, connecting and fastening of structural components can be completed, and application of pretightening force can be achieved.

A buckle type bath-room skirtboard includes a base and a buckle cover plate. A vertical side plate, a panel mounting bracket, a waterproof separation blade and a bottom horizontal plate are arranged on the base; the buckle cover plate is provided with a horizontal waterproof inserting board, a vertical side plate is matched with the wall of a bath room, the lower end of the vertical side plate is inserted in the ground of the bath room, one end of the panel mounting bracket is fixed on the vertical side plate, the lower portion of the free end of the bottom horizontal plate is provided with a waterproof boss, the waterproof boss is matched with the ground of the bath room, the buckle cover plate includes a vertical cover surface and the horizontal waterproof inserting board, the upper end of the vertical cover surface is matched with the panel mounting bracket, the lower end of the vertical cover surface is matched with the bottom horizontal plate, a waterproof groove is formed in the horizontal waterproof inserting plate, and the waterproof groove is matched with a waterproof bulge.

The invention discloses a compressor base with a buffering function for air conditioning refrigeration in the technical field of compressor bases. The compressor base comprises an upper base plate anda lower base plate, a compressor body is arranged at the bottom of an inner cavity of the upper base plate through a rubber pad, fastening devices are symmetrically screwed to the outer walls of theleft and right sides of the upper base plate, compression springs are arranged at the bottoms of guiding rods, tension springs are clamped to the sides, away from the guiding rods, of the front end faces of gears, and two buffering devices are symmetrically arranged on the outer walls of the left and right sides of a sleeve. The compressor base can conduct absorption buffering on vibration of thecompressor body three times, so that the stability of the compressor base is effectively improved; adjusting sleeves are rotated through adjusting handles, so that the adjusting sleeves move to one side of the compressor body, the effect of fastening compressor bodies different in specification and size is achieved, the practicability of the compressor base is improved, and meanwhile collision andnoise generated when the compressor body swings left and right are also avoided.

The invention discloses an irregular nut matched with a foundation bolt for a reducer and a reducer fixing method, and relates to the irregular nut matched with the foundation bolt and the reducer fixing method. The problems that a nut cannot be screwed on a foundation bolt after the foundation bolt of a seamless tube large cooling bed reducer in the conventional rolling mill is broken, a foundation steel plate of the reducer is loosened and is not firm, the reducer unstably works, severe potential safety hazard of equipment which threatens personnel exists and the normal production is influenced are solved. The irregular nut consists of an upper part and a lower part which are integrated, wherein the upper part and the lower part are coaxial with each other, and a step surface is formed between the upper part and the lower part; the outer diameter of the lower part is smaller than the diameter of a circumcircle of the upper part; and an internal thread through hole is machined along the axial direction in the irregular nut. The reducer fixing method mainly comprises the following steps of: 1, reaming; 2, manufacturing the irregular nut; and 3, screwing the irregular nut on the foundation bolt. The method is used for fixing the reducer after the foundation bolt of the reducer is broken.

The invention relates to a high voltage iron tower grounding tool, and particularly relates to a clamp specialized for a graphite grounding rope. The clamp specialized for the graphite grounding rope comprises a clamp body. The clamp specialized for the graphite grounding rope is characterized in that the clamp body is made of anti-corrosion nonmetallic material. The middle part of the clamp body is provided with a communicated connecting port. The upper surface of the internal part of the connecting port has a planar structure, and the lower surface has a slant wedge structure. The connecting port is internally provided with a fastening inserting plate which is matched with the wedge structure. The upper surface of the fastening inserting plate has the planar structure, and the lower surface has the slant wedge structure. The clamp specialized for the graphite grounding rope of the structure has the advantages of being simple in structure, convenient in construction, corrosion-resistant, pollution-free to soil, convenient to transport and economical in cost.

The invention discloses a dedicated PCD composite cutter of a gear shifting cover and especially relates to the composite cutter field. A knife rest is included. A top end of the knife rest is connected with a chuck. A tool apron is arranged at a front side position, close to the chuck, of the top of the knife rest. The tool apron is a triangular structure. A blade is installed above the tool apron. A pressing plate is arranged above the blade. Protruding blocks are evenly arranged on an edge of the tool apron, clamping grooves are evenly arranged in positions, corresponding to the outer portions of the protruding blocks, of an edge of a lower surface of the blade, a tool handle is connected to a rear end of the knife rest, clamping blocks are arranged on an inner side of the tool handle at an end portion of the knife rest, and sliding rail grooves are arranged in the tool handle and correspond to outer portions of the clamping blocks. Stability of the blade after installation is improved, then machining quality and machining efficiency are effectively increased in a machining process, the tool handle is convenient to assemble and disassemble in a using process, and wastes caused by direct discarding of an integrated cutter which is damaged are avoided.

The invention discloses a cutting machine with a network communication-based remote automatic measurement device. The cutting machine with the network communication-based remote automatic measurement device comprises a body dimension measuring device and a cutting device, wherein the body dimension measuring device comprises a standing pedal platform, a rotation driver for driving the pedal platform to rotate, a body image scanner and a computer; the computer is connected with a camera scanner through network communication; the output end of the computer is connected with the cutting device; the cutting device comprises a frame, a feeding end, a discharging end and a cut-off device, the feeding end is provided with a cloth coiler, a feeding conveying guide roller is arranged between the cloth coiler and the cut-off device, a discharging conveying belt is arranged between the cut-off device and the discharging end, the frame is provided with a control cabinet and a display screen, and the control cabinet is connected with the output end of the computer. According to the cutting machine with the network communication-based remote automatic measurement device, the automatic measuring device performs scanned measurement on the body dimension of a measured user, the cutting device cuts off cloth according to measured dimensions, and during the conveying process, pressure plates achieve flat conveying of cloth strips to avoid dents on the cloth strips.

The invention discloses processing equipment for fabrics for western-style suit. The processing equipment comprises a framework. A feed end, a discharge end and a cut-off device are arranged on the framework, the cut-off device is mounted between the feed end and the discharge end, cloth winding drums are mounted at the feed end, feed conveying guide rolls are arranged between the cloth winding drums and the cut-off device, a discharge conveyor belt is arranged between the cut-off device and the discharge end, a control box and a display screen are further arranged on the framework, and the control box is connected with an output end of a computer; the cut-off device comprises press roll assemblies, the press roll assemblies are connected with output ends of the feed conveying guide rolls and comprise press roll seats and upper and lower rollers, the upper and lower rollers are mounted on the press roll seats, cutters capable of being lifted and shifted in the up-down directions are erected above cutting tables, and pressure plates are arranged above the discharge conveyor belt and are mounted above the discharge conveyor belt via upright columns. The processing equipment has the advantages that cloth can be cut by automatic cutting devices, precise and smooth cut cloth can be guaranteed, and accordingly requirements on the cloth can be met during western-style suit manufacture.