257results about How to "Reduce disengagement" patented technology

The invention provides a hydrophilic and hydrophobic composite wetting microstructure steam cavity and a manufacturing method thereof, and relates to the technical field of heat dissipation devices. The hydrophilic and hydrophobic composite wetting microstructure steam cavity comprises an evaporation end and a condensation end, the surface of the evaporation end comprises a micro-channel hydrophilic area and a micro-array hydrophilic area, and the micro-channel hydrophilic area surrounds the micro-array hydrophilic area; the surface of the condensation end comprises condensation hydrophilic areas and condensation hydrophobic areas which are distributed at intervals, and the evaporation end and the condensation end are assembled to form a flat plate structure with a cavity in the middle. Different wettability surfaces of the condensation hydrophilic area and the condensation hydrophobic area are compounded, rapid nucleation condensation can be achieved, droplet-shaped condensation heat transfer of rapid falling of liquid drops in the condensation hydrophobic area and capillary suction rapid liquid discharge of the micro-channel hydrophilic area at the evaporation end are combined, condensation heat transfer of a working medium is enhanced, liquid backflow circulation is accelerated, and the condensation efficiency is improved. The temperature uniformity of the hydrophilic and hydrophobic composite wetting microstructure steam cavity is greatly improved, and batch forming of large-area microstructure functional surfaces is achieved through the in-situ heating imprinting forming micro-imprinting technology.

The invention relates to a handle structure of an endoscope and the endoscope. The handle structure comprises a shell and a first joint, and the shell is provided with a mounting cavity; the first connector is used for being communicated with negative pressure suction equipment, one of the first connector and the cavity wall of the mounting cavity is provided with a clamping bone, and the other one is provided with a clamping groove; the first connector is rotated to enable the clamping bone to be screwed into and clamped in the clamping groove, the groove wall of the clamping groove prevents the clamping bone from moving in the axial direction of the first connector, the clamping bone and the clamping groove which correspond to each other are arranged between the first connector and the shell, and when the clamping bone is clamped in the clamping groove, the clamping bone is prevented from moving in the axial direction through the groove wall of the clamping groove. Therefore, the possibility that the clamping bone is separated from the clamping groove can be reduced, the problem that the connection between the first connector and the shell fails due to the fact that the swing load of a negative pressure suction equipment pipeline is transmitted to the first connector in the operation process can be solved, the connection firmness degree between the first connector and the shell is improved, and the use reliability of the negative pressure suction function is improved. The visual field definition of an operation area is ensured.

The invention relates to multifunctional self-adaptive laser metal 3D printing equipment and a control method thereof.The device comprises a spray head bottom plate and a laser cladding spray head, the laser cladding spray head comprises a spray nozzle used for outputting powder and a pipeline connected to the spray nozzle and used for conveying the powder, and a first converging assembly is installed on the spray head bottom plate; the end, away from the nozzle, of the pipeline is arranged on the inner side of the first gathering assembly, the powder is magnetized when passing through the first gathering assembly in the pipeline, and a gathering processing assembly used for repelling the magnetic powder is arranged on the outer side of the nozzle. Through the design of the first gathering assembly and the gathering processing assembly, powder is magnetized through the first gathering assembly during conveying, then the magnetized powder and the gathering processing assembly generate like-pole repulsion acting force when the powder is sprayed out of the nozzle, the powder is promoted to be gathered together to form a powder beam, powder divergence and irregular arrangement are reduced, and the powder quality is improved. And the position precision and the forming quality and precision of powder conveyed to the molten pool are improved.

The FEBD seamless bridge deck connecting plate adopting the T-shaped shear nail structure comprises a semi-continuous UHPC bridge deck connecting plate arranged on the upper side of a telescopic gap at the beam end in a striding mode, and a polyurethane pavement layer used for bearing vehicle loads is laid on the upper side of the semi-continuous UHPC bridge deck connecting plate. T-shaped shear nails are arranged between the polyurethane pavement layer and the semi-continuous UHPC bridge floor connecting plate. According to the connecting plate, the seamless bridge floor can be realized, and the diseases such as pavement layer disengagement and hemming caused by large deformation difference when wheels pass through the expansion joint are obviously relieved; and in addition, the complex space stress state of the bridge deck can be better adapted, the normal use requirement of the bridge deck continuous structure is met, the construction period is effectively shortened, and the influence on traffic is small.

The invention belongs to the technical field of soil monitoring, and particularly relates to a soil pollution monitoring device which comprises a supporting frame. An ejector rod is arranged on the support frame; the bottom end of the ejector rod is fixedly connected with a drill rod; a sampling opening is formed in one side of the top of the ejector rod; a sampling barrel is arranged in an inner cavity of the ejector rod and an inner cavity of the drill rod in a sliding manner; the sampling barrel can be taken out from the sampling opening; the bottom end of the drill rod is fixedly connected with a drill bit; the driving assembly pushes the sampling barrel to slide downwards along the inner cavities of the ejector rod and the drill rod, the sampling barrel descends into the drill bit, the bottom of the drill bit is pushed to be opened, the sampling barrel is inserted into soil at the bottom of the sampling hole, and the periphery of the bottom of the sampling barrel cuts the soil, so that a cylindrical soil sample column is formed in the sampling barrel; the sampling barrel is taken out through the sampling opening of the ejector rod and is replaced by a new sampling barrel; therefore, complete columnar soil samples of different soil layers can be collected, and the pollution distribution and diffusion condition of soil can be conveniently detected.

The invention relates to the field of fuel cells, and particularly discloses a gas diffusion layer, a preparation method thereof and a proton exchange membrane fuel cell applying the gas diffusion layer, and the preparation method of the gas diffusion layer comprises the following steps: preparing porous substrate layer carbon paper; performing hydrophobic treatment on the porous substrate layer carbon paper to obtain hydrophobic carbon paper; a hydrophobic agent and water are mixed to obtain hydrophobic slurry A, conductive powder, a surfactant, a binder and an organic solvent are mixed and dispersed to obtain conductive powder slurry B, the hydrophobic slurry A and the conductive powder slurry B are mixed to form spraying slurry C, the spraying slurry C is sprayed on hydrophobic carbon paper while being stirred, drying and curing are conducted after spraying, and a microporous layer is formed. A gas diffusion layer is obtained; the invention further discloses the gas diffusion layer prepared by adopting the method and the proton exchange membrane fuel cell applying the gas diffusion layer. The application has the characteristics of solving the problems of dispersion uniformity of the conductive powder in the slurry and sedimentation in the coating process, improving the quality of the microporous layer and further improving the performance of the fuel cell.

The invention provides a wire binding device, which is used for being installed on an insulator and comprises a clamping frame, a wire binding device and a wire binding device, the clamping plate is in sliding connection with the clamping frame, an insertion block is installed on the side, abutting against the clamping frame, of the clamping plate, and the insertion block is connected with the clamping frame through a locking piece; the fixing assembly comprises a first rotating rod, a sliding sleeve rod, a fixing sleeve and a fixing pressing plate, the first rotating rod is rotatably connected to the upper surface of the clamping frame, the fixing sleeve is fixedly installed on the upper surface of the clamping frame and arranged on the outer side of the first rotating rod in a sleeving mode, and the sliding sleeve rod is slidably connected with the first rotating rod and penetrates out of the fixing sleeve; the fixed pressing plate is fixedly connected with the end, penetrating out of the fixed sleeve, of the sliding sleeve rod, a positioning rod is installed on the periphery of the sliding sleeve rod, and an inclined limiting groove matched with the positioning rod to slide is formed in the periphery of the fixed sleeve. According to the technical scheme of the invention, the problem that a binding wire is loosened due to the fact that the wire is bound and fixed by an aluminum wire in the prior art is effectively solved.

The utility model belongs to the technical field of nurse shoe antibacterial property environment simulation devices, and particularly relates to an environment simulation device for nurse shoe antibacterial property detection, which comprises a box body, a ball screw is rotationally connected into the box body, and one end of the ball screw rotationally penetrates through the interior of the box body to be connected with the output end of the servo motor. A screw nut pair on the ball screw is connected with a sliding plate; the bottom side of the sliding plate is rotationally connected with a gear. A rack is fixedly connected to the interior of the box body, and the rack is engaged with the gear; through forward and reverse rotation of the output end of the servo motor, the ball screw can be driven to drive the sliding plate to do reciprocating motion, then the shoe body is driven to do reciprocating motion in the box body, and different parts of the shoe body can be alternately exposed in a microbial environment in the box body in the reciprocating motion process; all parts of the shoe body can receive uniform microbial challenges, so that the antibacterial effect of the shoe body is comprehensively evaluated, and the diversity of detection results is improved.

The invention relates to the technical field of batteries, provides a pole piece, a preparation method thereof and a battery, and aims to solve the technical problem of powder floating on the surface of the pole piece. The pole piece comprises a current collector; the active material layer is located on the current collector, the active material layer is provided with a first surface deviating from the current collector, and a laser etching concave part extending from the first surface to the interior of the active material layer is further formed in the active material layer; and the protection layer covers the first surface and the inner surface of the laser etching concave part, and the protection layer comprises a first binder.

The utility model discloses a nasal jejunum endoscope which comprises a nasal tube, the upper end of the nasal tube is communicated with a connector used for connection, and the two ends of the connector are respectively provided with a branch tube capable of penetrating into a jejunum nutrient canal or a nasobiliary inner tube. The bullet head is connected to the end, away from the connector, of the nasal tube in a sleeved mode, a through hole is formed in the surface of the bullet head, and the through hole is communicated with the nasal tube and the connector. When the nasal jejunointestinal tube endoscope is used, the LED lamp core is turned on to position the nasal jejunointestinal tube, blind insertion is not needed, the intubation risk is reduced, pain of a patient is relieved, meanwhile, the LED lamp core and the lamp holder are wrapped by the omni-directional silica gel sleeve, the possibility that seepage flows in is prevented, safety and reasonability of the whole structure are guaranteed, the whole nasal tube, the connector, the branch tube and the bullet head form the nasal jejunointestinal tube, and the nasal jejunointestinal tube endoscope is convenient to use. The nasal tube can be smoothly introduced into the gastrointestinal part through the end part of the bullet head, and meanwhile, the hollow space of the bullet head has a small-amplitude buffer, so that the possibility of hard injury to the stomach wall and the esophageal wall is reduced.

The utility model relates to steel structure component installation equipment technical field, and specifically is a kind of steel structure component installation device, including plate seat, the plate seat top surface is equipped with the sliding slot for adjusting, and the sliding slot inboard sliding installation is equipped with the sliding base for adjusting;In the process of using steel structure component installation equipment, the steel structure component of two groups needing to be docked can be placed on the surface of the rotating roller inside the U-shaped seat and the bracket respectively, then the multiple hydraulic rods A outside the U-shaped seat and the bracket are operated and the pressing plate is pushed to move, and the two pressing plates inside the U-shaped seat and the bracket can be close to each other and can be positioned and clamped to steel structure component, so that subsequent connection to steel structure component is facilitated, and the long strip pressing plate is used to limit steel structure component, which reduces the stress concentration point and reduces the deformation of steel structure component, so that steel structure component can be installed more stably.

The utility model provides a raw material premixing and feeding device for a fermentation tank, which belongs to the technical field of manure fermentation and is characterized in that a material mixing bin is arranged on the left side of a fermentation tank body, two material crushing bins are arranged on the left side of the material mixing bin, and a feeding belt conveyor and a batching belt conveyor with the same structure are further arranged; one end of a feeding belt conveyor is arranged at the bottom of the material mixing bin, the other end of the feeding belt conveyor is located at the top of the fermentation tank body, one end of a batching belt conveyor is arranged at the bottoms of the two material crushing bins, and the other end of the batching belt conveyor is located at the top of the material mixing bin; the feeding belt conveyor comprises a belt, a rack and a driving mechanism used for driving the belt to rotate. The rack comprises a lower horizontal section, a lifting section and an upper horizontal section which are sequentially arranged from left to right. The right side of the upper horizontal section is fixedly connected with a falling frame which is inclined downwards; the utility model solves the technical problem that the treated material is inconvenient to enter the fermentation tank due to the lack of a mechanism matched with the fermentation tank.

The utility model relates to a rotary rectifier, and belongs to the technical field of motor control, the rotary rectifier comprises a rectification disc, one side of the rectification disc is provided with a plurality of diode modules and overvoltage absorption modules, the rectification disc is fixedly connected with a plurality of installation teeth uniformly distributed along the edge of the rectification disc, and an installation groove is formed between every two adjacent installation teeth. And one ends, close to the center of the rectifying disc, of the diode module and the overvoltage absorption module are inserted into the mounting grooves and are fixedly connected with the rectifying disc through bolts. The rotary rectifier has the effect of improving the applicability of the rotary rectifier to the high rotating speed.

The utility model discloses a liquid crystal display screen FPC (flexible printed circuit) structure used by bending. The liquid crystal display screen FPC structure comprises a display unit, wherein a driving IC (integrated circuit) is arranged on the surface of the display unit; an FPC connected to the display unit through the driving IC; and a decompression groove which is formed on the FPC and is used for improving the bending flexibility of the FPC. According to the liquid crystal display screen FPC structure used in the bending mode, the FPC connected to the display unit is grooved from the middle, the pressure reduction groove is composed of the triangular groove and the rectangular groove, and therefore through the structural design that the triangular groove in the top is internally provided with the right angle, signal lines can be wired from the two sides of the FPC easily; due to the fact that the right angle is close to the glass end, the flexibility of the FPC in the bending process is improved, the overall tension of the FPC in the bending use process is effectively reduced, the situation that the FPC is prone to being separated from the connecting position of the display unit due to the too large tension is reduced, the first chamfer, the second chamfer and the third chamfer are jointly designed in the pressure reduction groove in a matched mode, and therefore the flexibility of the FPC is improved. And the phenomenon that the corner of the FPC is easy to bend and tear is effectively prevented.

The utility model relates to a switching structure, a photovoltaic support and a photovoltaic system. The switching structure is used for connecting the photovoltaic frame and the supporting structure and comprises a first locking piece and a second locking piece. The first locking piece is provided with a clamping groove, and the clamping groove is used for being connected with the photovoltaic frame in a clamping mode. The second locking piece is detachably connected to the first locking piece, and a locking space is formed between the second locking piece and the first locking piece to clamp the supporting structure. The groove wall face of the clamping groove can abut against the photovoltaic frame, so that movement of the photovoltaic frame in the clamping direction is limited, and the situation that the photovoltaic frame is disengaged from the switching structure due to the fact that the photovoltaic frame is subjected to uneven wind loads can be effectively reduced. The photovoltaic frame and the first locking piece are in hoop type surface contact, a larger contact area is provided, pressure can be better dispersed and borne, local stress concentration is reduced, local abrasion and tearing are reduced, higher contact stability can be provided, external acting force can be better borne, and vibration can be better resisted; therefore, the tearing failure of the photovoltaic frame can be reduced.

The utility model discloses a prefabricated stair lateral reinforcing structure relates to the field of stair installation technology, it includes prefabricated stair, and prefabricated stair includes a plurality of tread, and the fixedly connected with connecting plate all on the tread, and the cross section of connecting plate is L type, and the screw sleeve is fixed and set up in the tread along the verticality, and the bolt is equipped on the connecting plate, and the bolt is inserted into the screw sleeve through the connecting plate, and is all screwed with the screw sleeve and connecting plate, and the side away from the tread of connecting plate is welded with the steel sheet, and a plurality of positioning block no.

The utility model relates to the field of shock absorber maintenance auxiliary tools, in particular to a shock absorber separation clamp which comprises a first clamping mechanism used for clamping an oil storage cylinder of a shock absorber and a second clamping mechanism used for clamping a pressure cylinder of the shock absorber, and the second clamping mechanism is connected with the first clamping mechanism. The shock absorber has the effect that a worker can conveniently disassemble the piston rod of the shock absorber to maintain the shock absorber.

The toaster comprises a shell, a chip removal part, a clamping block and a locking column, the shell is provided with a containing cavity, the outer wall of the shell is provided with a chip removal opening, the chip removal opening is communicated with the containing cavity, the chip removal part slides in the chip removal opening and is used for collecting bread crumbs, the outer wall of the shell is provided with a locking groove, and the locking groove is communicated with the clamping block. The locking groove is formed below the chip removal opening and communicates with the chip removal opening, the clamping block is fixedly connected to the groove bottom of the locking groove, a clamping groove is formed in the end, away from the groove bottom of the locking groove, of the clamping block and penetrates through the clamping block in the vertical direction, and the locking column is fixedly connected to the lower end of the chip removal piece. And the clamping groove is used for embedding the locking column. When the chip removal part is installed, the locking column is embedded into the clamping groove, the chip removal part is fixed relative to the shell, the chip removal part is not prone to sliding out of the chip removal opening, bread crumbs can be conveniently and stably collected, the probability of bacterium breeding in the shell is reduced, and the body health of a user is protected.

The utility model relates to a heat insulation device for feeding foam glass into a kiln, which belongs to the technical field of foam glass production equipment, and comprises a kiln opening formed in an annealing kiln, a plurality of heat insulation door plates mounted at the kiln opening, and a sliding assembly for enabling the heat insulation door plates to be in sliding connection with the kiln opening, the multiple heat insulation door plates are evenly arranged in the horizontal direction of the kiln opening, and the sliding direction of the heat insulation door plates is perpendicular to the conveying direction of foam glass blanks. The method has the effect of reducing the influence degree of the external environment temperature on the to-be-annealed foam glass blank in the annealing process.

The present invention discloses a spring disk elastic force testing device, belonging to the technical field of elastic force testing devices. A support component, a support block and a limit component; the support component is installed with a lift, a test component is installed on the lift, and the top of the spring disk is installed on the test component; the limit component includes a limit column and a plurality of top blocks, and the limit column is inserted into the spring inner ring of the spring disk; two groups of second electromagnets and two groups of connecting blocks are fixedly installed in the limit column, and a guide rod is slidably connected to the connecting block, and a second armature and a push block are installed on the guide rod, and the top block is slidably connected to the limit column, and two groups of symmetrically distributed buffer plates are slidably connected in the top block, and the buffer plate is tilted. When the spring is detached, the top block is quickly ejected to limit the oscillating displacement of the detached spring in the horizontal direction, accelerate the recovery of the spring to a stable state, and also effectively protect the limit column, reducing the risk of bending of the limit column caused by collision.

The invention relates to the technical field of scraper conveyors, in particular to a scraper conveyor space double-chain right-angle turning assembly which comprises a rack, a material guiding device is arranged on the surface of the rack and comprises a material guiding groove and a material scraping plate, the material guiding groove is formed in the surface of the rack, and the material scraping plate is located in the material guiding groove. The inner wall of the material guide groove is fixedly connected with a positioning guide rail, a positioning groove is formed in the surface of the material scraping plate, the positioning guide rail is inserted into the positioning groove, and two symmetrical positioning holes are formed in the surface of the material scraping plate. According to the scheme, the scraper conveyor achieves right-angle conveying of materials, meanwhile, the integrated scraper plate is adopted, the situation that the scraper plate is disengaged in the using process is reduced, normal operation of equipment is ensured, meanwhile, the inclined groove is designed in an inwards-concave mode, the materials are effectively stacked on the inner side of the corner of the rack, it is ensured that the equipment can stably convey the materials, and the working efficiency is improved. And the working efficiency and the reliability of the scraper conveyor are improved.

The invention discloses a battery extrusion tester for lithium battery safety detection, which relates to the technical field of lithium battery extrusion testing, and comprises a test table, wherein a die-casting placing table is slidably connected in the middle of the test table, a first cylinder is installed in the middle of the upper surface of the test table, a small driving cylinder is installed on the upper surface of the test table close to the first cylinder, and a second cylinder is installed on the outer surface of the test table, and a sliding tooth plate is engaged with an arc sliding tooth extrusion column to drive the arc sliding tooth extrusion column to extrude a clamping plate at a non-tooth surface, so that the clamping plate starts to gradually move upward and at the same time, the lithium battery can be pushed to the bottom of the clamping plate under the push of an L-shaped push plate, and the first push handle is pulled again to enable the clamping plate to quickly clamp the surface of the lithium battery, and the clamping action of the clamping plate can ensure that the position of the lithium battery is fixed during the extrusion process without movement or tilt, thereby ensuring that the extrusion force is evenly distributed on the battery, thereby improving the accuracy of the test result.

The utility model relates to the technical field of galvanized coils, in particular to a galvanized coil cutting machine which comprises a placing platform and a galvanized coil, a plurality of supporting legs used for improving cutting stability are arranged on the placing platform, a driving rod is arranged on the placing platform, a plurality of first attaching bodies used for fixing the inner wall of the galvanized coil are arranged on the placing platform, and a plurality of second attaching bodies used for fixing the inner wall of the galvanized coil are arranged on the placing platform. A plurality of second attaching bodies used for fixing the outer wall of the galvanized coil are arranged on the placing platform, and a plurality of threaded rods used for adjusting the first attaching bodies are arranged on the placing platform. Through the arrangement of the inner supporting block and the first attaching body, the stability of the galvanized coil in the cutting process is improved, meanwhile, the first attaching body can prevent the inner wall of the galvanized coil from being peeled off, the attractiveness of the galvanized coil after cutting is improved, galvanized coil waste is reduced, and therefore the use cost of the galvanized coil is reduced, and the galvanized coil cutting efficiency is improved. And the stability of the first fitting body can be improved through the threaded rod, and the phenomenon that the stability is reduced due to vibration is avoided.

The utility model discloses bicycle inner tube tensile test equipment, and belongs to the technical field of bicycle inner tubes. The device mainly comprises a mounting rack, the top of the mounting rack is provided with a cylinder, and the output end of the cylinder is provided with a tension sensor; each clamping assembly comprises a first clamping block and a second clamping block; the two groups of accommodating assemblies are respectively arranged on the first clamping block and the second clamping block, and are characterized in that each accommodating assembly comprises a first clamping block, a second clamping block, a third clamping block and a fourth clamping block, and the first clamping blocks are mounted on the first clamping block and the second clamping block; the second clamping block is arranged on the first clamping block, and a second bolt is arranged between the second clamping block and the first clamping block; and the accommodating cavity is arranged on the first clamping block and the second clamping block. According to the bicycle inner tube tensile test equipment, by arranging the clamping assembly and the containing assembly, an inner tube can be clamped more firmly in the test process, and the accuracy and reliability of a test result are ensured.

The application discloses a kind of vacuum brazing methods of conical honeycomb inner ring assembly, S1: make the conical honeycomb ring of interference fit with the inner surface of support piece, the length interference amount of honeycomb ring is 1-3mm;S2: polishing cleaning;S3: filling adhesive tape brazing material;S4: honeycomb positioning and spot welding;S5: honeycomb brazing;The application does not need to clamp positioning tool, and the clearance between honeycomb ring and support piece during assembly and brazing process is guaranteed by process combination, and the brazing rate of more than 95% of the conical honeycomb inner ring assembly can be obtained by once brazing;Excess honeycomb is used, and the honeycomb interference amount is evenly distributed on the support piece by the center alternating spot welding fixing mode, to form pressure stress on the support piece;Vacuum brazing is carried out by short-time holding and slow cooling process combination, and the synchronous shrinkage of honeycomb and support piece during cooling process is guaranteed by slow cooling process, to reduce the possibility that honeycomb is forced to separate from support piece;At the same time, the holding time is appropriately shortened, so that the time of brazing material above liquidus temperature is reduced, and the corrosion of brazing material to honeycomb is avoided.

The utility model relates to the technical field of switches, in particular to an industrial-grade switch interface module capable of being quickly plugged and unplugged, which comprises a shell, a plugging bulge, a joint, a folding pull plate and a PCBA (Printed Circuit Board Assembly), the PCBA is connected in the shell, the joint is connected on the front surface of the shell, the plugging bulge is connected on the outer part of the shell close to the front surface, and the folding pull plate is connected on the plug bulge. The upper end of the connector is connected with a folding pull plate, sliding grooves are formed in the two sides of the upper end of the shell, multiple sets of clamping grooves are formed in the two sides of the shell, multiple sets of inserting grooves are formed in the front face of the connector, an anti-slip strip is arranged at the position, close to the front face, of the upper end of the folding pull plate, and multiple sets of limiting grooves are formed in the lower end of the folding pull plate.

The utility model belongs to the technical field of fastener, and relates to a new bolt, including bolt main part, the hexagon nut is fixed with outside top of bolt main part, the hexagon nut and bolt main part are integrative cast and form, automatic glue injection subassembly, its one side is located in the outside of bolt main part, the inside of automatic glue injection subassembly includes anti -skidding mechanism and shock -resistant mechanism, and anti -skidding mechanism and shock -resistant mechanism cooperate and use, the utility model discloses through the use of liquid storage sac, flow guide groove, gasket, makes in the bolt main part is used to connect mechanical parts, through the filling of liquid storage sac to flow guide groove, makes the part connection more closely and firmly, reduces the bolt main body in the process of using, appears because high -frequency vibration and separates the situation, reduces the possibility of production accident because bolt main body loosens, simultaneously when using bolt main body, need not extraly add gasket and anaerobic glue to bolt main body outside, further improves work efficiency.

The utility model relates to a crawler-type shot blasting machine feeding device, and belongs to the technical field of shot blasting machine feeding, the crawler-type shot blasting machine feeding device comprises a shot blasting machine body, a feeding port is formed in the shot blasting machine body, the crawler-type shot blasting machine feeding device further comprises a feeding mechanism, and the feeding mechanism comprises an overturning hopper and an overturning assembly enabling the overturning hopper to rotate in the direction close to the feeding port for feeding; a collecting basket containing parts to be machined is placed in the overturning hopper, and a fixing assembly used for reducing the situation that the collecting basket is disengaged from the overturning hopper in the overturning process is arranged between the overturning hopper and the collecting basket. The automatic feeding device has the effects of fast feeding and labor saving.