72results about How to "Improve fastening efficiency" patented technology

The invention discloses a pop-up single-side bolt fastener which is characterized in that a tail rod body of a screw rod is a threaded rod and a front rod body of the screw rod is a cylinder polish rod; a slot is arranged on the outer peripheral surface of the cylinder polish rod in a cross shape; a T-shaped cavity is arranged in the screw rod, a top plane of the T-shaped cavity is communicated with the slot on the same plane, a longitudinal axle hole in the T-shaped cavity starts from the top plane of the T-shaped cavity and extends and penetrates through the screw rod; a T-shaped rotation piece is configured in the T-shaped cavity, and each support block is embedded into the slot or protrudes out of the outer peripheral surface of the cylinder polish rod due to the rotation of a top rotation plate of the T-shaped rotation piece. The pop-up single-side bolt fastener can implement single-side fastening from one side and can be repeatedly used through a pop-up structure.

The invention provides a calibration device and a calibration method for bolt pre-tightening force measurement and a pre-tightening force control method. The calibration device comprises an installing portion, a nut, a drive portion for driving the nut to rotate relative to the installing portion and connected with the nut, a rotation detecting portion for detecting a rotation parameter of the nut and a strain detection portion for detecting axial stain of the bolt to be detected, wherein a bolt to be detected is arranged on the installing portion, the nut is in threaded connection with the end away from a bolt head of the bolt to be detected, the detection end of the rotation detecting portion is connected with the nut, and the detecting end of the strain detection portion is in contact with the bolt to be detected. Due to the fact that the bolt to be detected is static relative to the bolt to be detected, the axial strain measurement accuracy is improved. Therefore, the calibration device is adopted for calibrating a proportional parameter K, the calibration accuracy of the proportional parameter K can be effectively improved, accordingly pre-tightening force of the bolt can be effectively measured during follow-up bolt installation, and the calibration device has the advantage of being high in measurement accuracy.

A fastener for components of a motor vehicle includes a tubular rivet, with a rivet head and a shank, wherein the shank has at least two longitudinal slits, between which lugs which can deflect in an elastically rebounding manner. The fastener includes a support bearing with a tubular mounting into which the shank of the rivet for the holding of at least a component between rivet head and support bearing can be inserted. Corresponding engagement elements are formed on the outer circumference of the shank and on the inner circumference of the mounting which, in a fixing position of the rivet in the mounting are engaged so that the rivet is held against slipping out of the mounting. The fastener includes a pin which can be inserted in the tubular rivet and which in a securing position in the rivet blocks a deflection of the lugs so that disengagement of the engagement elements is prevented.

The invention relates to an automatic device for being capable of fastening multiple screws at the same time, in particular to a synchronous fastening device. The synchronous fastening device achievesthe purpose of being simple in structure, convenient to adjust, high in reliability and uniform in stress of a fastened piece. The synchronous fastening device comprises a power source, a base, a fixing shaft fixedly installed at one side of the base, a driving gear which sleeves the fixing shaft and can rotate relative to the fixing shaft, a plurality of driven gears capable of being externallymeshed with the driving gear, a plurality of transmission shafts capable of synchronously rotating relative to the driven gears, and a fastening piece which is connected with one ends of the transmission shafts and can synchronously move along with the transmission shafts. The fastening piece is used for fastening the piece to be fastened. The fastening piece is matched with the piece to be fastened. The power source is used for supplying power to the driving gear. The automatic device further comprises a transition gear. The device adopts the single power source to achieve synchronous screwing of the screws, assembling and adjusting are easy, the cost is low, the requirement for the environment is low, and the application range is wide.

The invention discloses a control system for a bolt fastening device. The bolt fastening device comprises a support, an execution unit and a travelling unit, wherein the execution unit is installed onthe support and is used for tensioning a bolt in the extending direction of the corresponding bolt and screwing a nut on the corresponding bolt, and the traveling unit is arranged on the support andis used for driving the bolt fastening device to travel along paths of a plurality of bolts. The control system comprises an execution control module, an advancing control module and a controller, wherein the execution unit is used for controlling the operation of the execution unit, the advancing control module is used for controlling the operation of the advancing unit, and the controller is communicated with the execution control module and the advancing control module so as to command the execution unit to tension the bolt and fasten the nut, and command the travelling unit to advance forwards, so that the bolt fastening device moves to a next bolt after the fastening operation of one bolt is completed. The control system automatically achieves the fastening of the bolts, reduces the manual operation investment, and improves the installation quality.

The invention discloses a wind power generator hub robot assembling platform. The assembling platform comprises rotation platforms for fixing a hub and assembling robots for conducting bolt fasteningon the hub. Each assembling robot comprises a rotation base and a joint robot rotationally arranged on the rotation base, wherein the joint robot is provided with a hydraulic wrench for bolt fasteningthrough a floating paw. The two rotation platforms and the two assembling robots are arranged. The two assembling robots are arranged side by side, and the two rotation platforms are arranged on thetwo sides of the two assembling robots correspondingly. The platform is reasonable in design and high in automation degree. Through the arrangement of the rotation platforms, when the hub is fixed, the assembling robots can be matched for bolt fastening, the alternating assembling manner is adopted, and rapid and automatic hub bolt fastening is achieved.

The invention discloses an automobile part maintenance pressing and fixing device and a pressing method thereof. The automobile part maintenance pressing and fixing device comprises a base plate. A lifting mechanism is arranged at the top end of the base plate. A lifting frame is mounted on the lifting mechanism. A working platform is fixedly mounted in the middle of the top end of the lifting frame. The top wall of an inner cavity of the lifting frame is symmetrically provided with electric telescopic devices. Telescopic rods of the electric telescopic devices penetrate through the top wall of the lifting frame to be fixedly connected with fine adjustment screw rods. The outer side of each telescopic rod is sleeved with a pressing plate matched with the working platform. Each fine adjustment screw rod is sleeved with a fine adjustment nut in a threaded connection mode. The outer side of each fine adjustment screw rod is sleeved with a preload spring matched with the corresponding pressing plate. According to the automobile part maintenance pressing and fixing device, a workpiece is placed on the working platform; the telescopic rods of the electric telescopic devices are retractedto descend the pressing plates, and the pressing plates are pressed down to fasten the workpiece; and finally, the fine adjustment screw rods are rotated to squeeze or release the preload springs toconduct local repressing or local releasing of the pressing plates, and accordingly, the position of the workpiece is finely adjusted to ensure the pressing quality.

The invention relates to a method for quickly tightening and dismounting a bolt nut and an adjustable wrench achieving the same. The method for quickly tightening and dismounting the bolt nut comprises the following steps of clamping and holding symmetrical side ridges of the bolt nut through two V-shaped grooves and then turning the clamped bolt nut. The adjustable wrench achieving the method comprises a fixed jaw clamp and a movable jaw clamp, wherein the inner sides of two jaw opening faces are provided with the V-shaped grooves, and the size of a clamp opening formed by the two jaw clamp is adjusted through the movable jaw clamp linked by an adjusting screw rod in an accommodating groove. By adopting the method for quickly tightening and dismounting the bolt nut and the adjustable wrench, the clamped bolt nut does not easily slip, stressed nut corners are not easily abraded to be rounded corners, and accordingly deformation and damage are not caused. The bolt nut tightening and dismounting efficiency is improved by continuously turning the wrench. The flexible characteristic of continuous adjustment of the opening of the adjustable wrench is kept, the adjustable wrench can take the place of a double offset ring spanner and an open end wrench under the condition that a surrounding space of the bolt nut is allowable, and the number, the weight and the procurement cost of tools required to be carried are reduced remarkably.

The invention relates to the field of air pump electromagnetic valve detection equipment, in particular to comprehensive test equipment for an air pump electromagnetic valve. The equipment comprises alinear conveying device, a pressure-resistant testing device, a screw fastening device, an air tightness detecting device, a marking device, a sorting device, a control cabinet and a jig for being mounted on a product to be detected; a sorting mechanical arm spans the tail end of the linear conveying device and is provided with a sorting mechanical claw which moves along the conveying direction vertical to the linear conveying device; a first sorting conveyor belt and a second sorting conveyor belt are arranged in parallel to the linear conveying device; the linear conveying device, the pressure-resistant testing device and the sorting device are electrically connected with each other through the control cabinet; and the linear conveying device is provided with a slide way for guiding thejig. The comprehensive test equipment for the air pump electromagnetic valve of the invention is high in automation degree, can effectively improve the test efficiency of the air pump electromagneticvalve and the screw tightening efficiency, avoids missing test of manual testing, and can avoid unqualified products from being mixed into qualified products.

The invention discloses an application method of a tool for repair plate fastening in pipe repair. The used tool comprises a T-shaped rod, a thread disc, a connecting nut, a rotating piece and base arranged in sequence from top to bottom. As all the parts are reasonably designed, the tool can realize the dismounting and mounting process without needing special operation spanner, and the pipe repair plate fastening is quickly realized. In addition, the connecting structures of the T-shaped rod, the connecting nut and the rotating piece are reasonably designed, the several parts are more convenient and labor-saved in disassembly. The tool can fasten pipes with different shapes and different sizes. The tool can greatly improve the repair plate fastening efficiency in pipe repair; and in addition, as enough operation space is reserved around a repair plate when the tool fastens the repair plate, the continuous welding process of the repair plate can be realized, and the welding effect is good. The method can effectively improve the pipe repair efficiency.

The invention relates to a fastening type high-power LED light source module which sequentially comprises a light source mask, a lens limited on the light source mask, a uniform temperature board, an LED light source attached on the uniform temperature board and a head conduction substrate positioned at the other side of the uniform temperature board, wherein the back of the light source mask is uniformly distributed with a plurality of riveting columns, and first through holes through which the riveting columns can pass are formed in the heat conduction substrate; the outer side of the heat conduction substrate is also provided with a pinch board, and the pinch board is provided with second through holes through which the riveting columns of the light source mask can pass; and an inclined block is formed along the same side direction of each second through hole, and each inclined block is provided with an arc track communicated with each second through hole. According to the fastening type high-power LED light source module, because the riveting columns are positioned on the back of the light source mask and cannot be exposed, the appearance effect of the whole lamp body cannot be influenced; and during fastening, the pinch board is rotated, and the plurality of riveting columns are simultaneously slid along the arc tracks, that is to say, all the riveting columns are simultaneously fastened, so that the fastening type high-power LED light source module is quicker and more convenient to assemble and is also quicker to disassemble conversely.

The invention discloses an automatic packaging fastening device. The automatic packaging fastening device comprises a plurality of ratchet mechanisms which are driven by a driving mechanism. The driving mechanism comprises a connecting rod connected to a power device. Each of the ratchet mechanisms comprises a rocker, a pawl hinged to the rocker and a ratchet wheel engaged to the pawl; the first end of each of the rockers is connected to the connecting rod and a hollow disc is fixed at the second end of each of the rockers; each of the ratchet wheels comprises a mounting end and a ratchet end, the mounting end is rotatably mounted in the hollow disc, the ratchet end is engaged to the pawl, and the ratchet wheel is fixedly connected to a pressing cap of a packing box. According to the automatic packing fastening device disclosed by the invention, the ratchet mechanisms are driven by the driving mechanism to drive the pressing cap to be screwed in a single direction, so that the packing is automatically compressed; the device is simple in structure, stable and reliable to work and convenient to mount and maintain, and automatic control and intelligent control are realized.

The invention discloses an adjustable multi-pipe fork shipment fastening device. The device comprises a substrate, a mounting plate, a sliding module and fastening modules; a cross beam is transversely arranged between support plates on two grooves of the substrate; a first sliding rod is vertically and fixedly connected to the middle part of the cross beam; multiple mounting plates are distributed on the inner end surface of the substrate; chutes are recessed in the middle parts of the top surfaces of the mounting plates; the sliding module comprises a second sliding rod and lantern rings; the second sliding rod slidingly sleeves the first sliding rod; the lantern rings are respectively positioned above the chutes of the corresponding mounting plates; each fastening module comprises a slide block, a U-shaped frame, a pressing oil cylinder and a pressing plate; the fastening modules are arranged in the chutes of the mounting plates; the slide blocks of the fastening modules are positioned in the chutes; extension rods of the pressing oil cylinders penetrate through extension holes corresponding to the lantern rings; and the pressing plates are positioned in the corresponding lantern rings, and are connected with the extension rods of the pressing oil cylinders. The device is high in fastening efficiency of pipes, can synchronously realize transportation of multiple pipes, and meets the use requirements of people.

The invention discloses a nut tightening machine. The nut tightening machine comprises a chassis, a working panel, three chutes, a plurality of sliding clamps, a rotary base, a telescopic rod, a fixedplate, a grab handle, a connecting rod, a snap joint, a fixed rack and a nut tightener, wherein the chassis is a rectangular board; the working panel is mounted on the left side of the surface of thechassis and the rotary base is mounted on the right side of the surface of the chassis; the rotary base is connected to the telescopic rod; the elliptical grab handle is mounted at the top end of thetelescopic rod; the fixed plate is mounted in the central position of the telescopic rod; the snap joint is mounted on the fixed plate; the connecting rod is connected to the fixed rack; the connecting rod penetrates through the telescopic rod and the fixed plate and is vertical to the telescopic rod; the nut tightener is mounted in the fixed rack and is located above the working panel; the threechutes are formed in the working panel; and the plurality of sliding clamps are mounted in each chute. According to the nut tightening machine disclosed by the invention, a the fixed rack is mountedbased on the nut tightener, so that a user can fix a to-be-tightened apparatus with the nut tightening machine; the position of an automatic nut locker is regulated by means of the rotary base and thetelescopic rod, so that the tightening efficiency can be improved and the tightening time can be shortened, and therefore, the productivity is improved.

The invention provides a fuel cell stack fixing method, which belongs to the technical field of fuel cells, and comprises the following steps of: arranging radially distributed pressing grooves on a stack end plate in advance; neatly stacking an electric pile end plates and single cells according to a preset sequence, wherein the plurality of single cells form a battery pile body; pressing the stacked stack end plates and the single cells by using a press machine; winding a winding wire along the pressing grooves to fasten the electric pile end plate and the single cells together; winding thehead end and the tail end of the winding wire on a fastening rod, and using a fastening rod for screwing, so that the pre-tightening force of the winding wire reaches a preset value; and enabling thefastening rod to be parallel to the winding wire, and fixing the two ends of the fastening rod to the winding wire. According to the invention, the fuel cell can realize self-balancing stress in a manner of winding and fastening the winding wire, so that the problem of non-uniform internal stress caused by bolt fixation is effectively solved, leakage is reduced, the performance of the fuel cell isimproved, the service life of the fuel cell is prolonged, and the weight and the manufacturing cost of the fuel cell are reduced.

The invention discloses a modeling material, a modeling structure and a modeling process for marine propeller manufacturing, and relates to the technical field of propeller manufacturing, in particular to a modeling structure and process for manufacturing by adopting a recyclable modeling material. The molding material for marine propeller manufacturing comprises ester-hardened modified sodium silicate-bonded sand and CO2-hardened modified sodium silicate-bonded sand. According to a preparation method of the ester-hardened modified sodium silicate-bonded sand, 15% of fresh sand, 85% of reclaimed sand, 1.5-2.5% of modified sodium silicate and ester accounting for 15-20% of the modified sodium silicate are mixed according to the ratio. According to a preparation method of the CO2-hardened modified sodium silicate-bonded sand, 30% of fresh sand, 70% of reclaimed sand, 2-3% of modified sodium silicate and a hardening accelerator accounting for 20-30% of the modified sodium silicate are mixed according to the ratio.

The invention belongs to the technical field of soil loosening devices, and particularly relates to an agricultural production sweet potato planting soil loosening device to solve the problems of inconvenience in soil turning angle adjustment and poor self-locking effects of an existing soil turning plate. The device comprises a mounting plate with a flat square tube structure, a cavity is formedin the mounting plate, screw holes are formed in the middles of the upper surface and the lower surface of the mounting plate, the same external thread tube is connected between the two screw holes ina threaded manner, four sliding grooves are formed in the inner wall of the circumference of the external thread tube and close to the bottom end of the external thread tube, fixing strips are clamped into the four sliding grooves, the same internal thread tube is fixed among the four fixing strips, studs are connected onto the inner wall of the circumference of the internal thread tube in a threaded manner and close to the bottom end of the internal thread tube, a soil turning plate is welded at the bottom ends of the studs, and limit holes are formed in the top ends of the studs and close to the middles of the studs. The soil turning angle of the soil turning plate can be finely adjusted and can also be greatly adjusted conveniently, and self-locking effects are good.

The invention discloses a spanner used in a narrow space. The problem that bolts in the narrow space are not easy to lock or disassemble in the prior art is solved, the overall connection is reliable,the disassembly and assembly problems of bolts or nuts in the narrow space are solved, and the disassembly and assembly speed can be effectively increased. According to the specific scheme, the spanner used in the narrow space comprises a spanner main machine and a disassembling tool which can be clamped with the bolts or nuts, wherein the spanner main machine is bent, the spanner main machine isa pneumatic spanner main machine or an electric spanner main machine, the inner side of the spanner main machine is connected with the disassembling tool through a transmission shaft, the outer sideof the spanner main machine is connected with the disassembling tool through a connecting part, and a screwing sleeve ring is arranged on the peripheral side of the connecting part and covers the connection position of the connecting part and the disassembling tool.

The invention discloses a reusable pull rod type quick locking device which comprises a stud, the stud is sleeved with a locking nut, the locking nut is in threaded connection with the stud, a pull rod through hole is formed in the stud, one end of the stud is concaved inwards to form a containing groove used for containing an elastic piece, and the pull rod through hole penetrates through the stud. The locking pull rod penetrates through the stud, a brake rod is arranged at one end of the locking pull rod, the other end of the locking pull rod is hinged to the locking block mechanism through a connecting rod, the brake rod is limited outside the stud through the end face of the stud, the locking block mechanism comprises two locking blocks hinged to each other, and the locking blocks are hinged to the locking pull rod through the connecting rod. And when the locking pull rod moves along the pull rod through hole, the two mutually hinged locking blocks rotate around a hinge point of the locking blocks. According to the locking device, the fastening efficiency is improved, the locking difficulty of the sealing component is reduced, repeated use can be achieved, the adaptability to the component structure is high, the locking effect is outstanding, and locking operation is easy.

The invention relates to an auxiliary system for molding fastening of automobile castings. The auxiliary system comprises a material system, wherein a left supporting mechanism and a right supporting mechanism are mounted on the upper left side and the upper right side of the material system respectively, and a bearing mechanism is mounted between the lower parts of the left supporting mechanism and the right supporting mechanism; a support pillar is mounted on the left side of a left fixing support, and a feeding system is mounted at the upper part of the support pillar; a discharging pipeline mechanism is mounted on the left side of a female die, the upper part of the discharging pipeline mechanism is connected with the lower right side of the feeding system, and a material supply mechanism is mounted on the left side of the left supporting mechanism; and a supporting plate is mounted between the upper parts of the left supporting mechanism and the right supporting mechanism, a hydraulic system is mounted in the middle of the supporting plate, an automatic telescopic mechanism is arranged at the lower part of the hydraulic system, and a pushing and extruding mechanism is mounted at the lower part of the automatic telescopic mechanism. The auxiliary system can effectively fasten materials into a block in the automobile casting processing process, improves the fastening effect and the fastening efficiency, is convenient to use and reduces the labor intensity.