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46results about How to "Avoid Misfits" patented technology

Face replacement method and device

The present invention discloses a face replacement method and device. The face replacement method includes the following steps that: the face characteristic parameters of a first person are extracted from an image to be processed; the original face image of a second person is selected; a face model is constructed for the second person according to the original face image of the second person; and the face characteristic parameters of the first person are fitted into the face model of the second person, so that the target face image of the second person is obtained; and the face image of the first person in the image to be processed is replaced with the target face image of the second person. With the face replacement method and device provided by the embodiments of the present invention adopted, a problem that a replacement target person is not matched with an original image can be solved, and therefore, a replacement effect can be enhanced.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Method and system for intelligently recommending background music based on video multi-dimensional features

The invention discloses a method for intelligently recommending background music based on video multi-dimensional features. The method comprises the following steps: acquiring a to-be-matched video, extracting video features of the to-be-matched video, performing tagging processing, outputting a video feature tag of the to-be-matched video, and extracting a music style mapped with the video feature tag according to a preset mapping relationship to serve as a recommended style; and calculating the weight of each video feature tag, extracting background music from a preset music material libraryaccording to the recommendation style, and arranging the extracted background music according to the corresponding weight to generate a background music recommendation list. The background music is recommended to the user based on the video feature tag of the to-be-matched music video, so that the user does not need to select the background music from the music material library, and the working efficiency is improved.
Owner:新华智云科技有限公司

Method and device for setting frequency points

ActiveCN103220683AAvoid missing neighborsReduce workloadNetwork planningWorkloadPoint sequence
The invention provides a method and a device for setting frequency points, which are used for solving the problems of missed matching, high workload and the like existing in frequency point setting. The method comprises the following steps of acquiring a cell where a terminal is positioned for serving as a cell, determining an adjacent cell of the cell according to an adjacent cell relation; sequencing each frequency point of the cell and the adjacent cell of the cell according to a selected frequency point sequencing mode, and determining the priority sequence of each frequency point; and selecting frequency points according to the priority sequence to construct the frequency point information.
Owner:DATANG MOBILE COMM EQUIP CO LTD

Joint drum structure for connecting steel structural part

InactiveCN104420543AThe structure is complex and beautifulSophisticated node structureBuilding constructionsBolt connectionThin-shell structure
The invention relates to a joint structure, in particular to a joint structure of a single-layer reticulated shell structure, more particularly, is a joint drum structure for connecting a steel structural part, and belongs to the technical field of roof building. A bolt drum joint structure of a rigid single-layer reticulated shell structure is characterized by comprising a bolt drum (1) and six hollow rod pieces (3), wherein the bolt drum (1) is of a hollow cylinder structure; detachable cover plates (101) are arranged on the two end surfaces of the bolt drum; six groups of bolt holes are uniformly distributed in the circumferential direction of the bolt drum (1); the angle of the tangent plane of each hollow rod piece (3) can be adjusted; each hollow rod piece (3) is welded and fixed with a sealing plate (2); a group of bolt holes are formed in each sealing plate (2); the six hollow rod pieces (3) are in bolted connection with the bolt drum (1) through the bolt holes after being welded and fixed with the sealing plates (2).
Owner:上海岑晨钢结构网架有限公司

Control system of lifting transverse-moving type stereo garage

PendingCN107905594APerfect self-service functionEnsure safetyParkingsControl systemConnection control
The invention discloses a control system of a lifting transverse-moving type stereo garage. The control system comprises a display screen, a control device, an executing device, a detecting device, amonitoring device and a protecting device; the display screen is connected with the control device and used for a vehicle owner inputting a parking or picking-up instruction; the control device is connected with the executing device and the monitoring device and used for sending an execution signal to the executing device and sending a monitoring signal to the monitoring device; the executing device comprises a lifting transmission mechanism used for achieving up-down moving of a vehicle carrying plate and a transverse moving transmission mechanism used for achieving left-right moving of the vehicle carrying plate; the detecting device is connected with the control device and comprises a plurality of limiting switches arranged along the edge of the vehicle carrying plate; the monitoring device is used for obtaining image information of the stereo garage and displaying the image information on the display screen; and the protecting device is connected with the control device and comprises an emergency stop button, a vehicle blocking mechanism and a vehicle carrying plate fixing mechanism. The control system of the lifting transverse-moving type stereo garage realizes that the vehicle owner completes parking or picking-up work with self-service, and quick and convenient effects are achieved.
Owner:NANJING UNIV OF INFORMATION SCI & TECH

Manual welding device and method for barrel and mounting edge of thin-wall casing

The invention relates to a manual welding device and method for a barrel and a mounting edge of a thin-wall casing. One end of a connecting frame of the device is fixedly connected to a welding gun body, and the other end of the connecting frame is hinged to an adapting seat. A supporting rod mounting hole is formed in the middle of the adapting seat. One end of a hollow supporting rod is located in the supporting rod mounting hole, and the other end of the hollow supporting rod is connected with a protection dragging cover. A central hole of the hollow supporting rod is a ventilation hole, one end of the ventilation hole is communicated with an argon gas source, and the other end of the ventilation hole is communicated with an inner cavity of the protection dragging cover. A housing opening of the protection dragging cover corresponds to the back surface of a weld joint of the barrel and the mounting edge of the thin-wall casing, and an argon rectification net is arranged at the housing opening. The method includes the steps that the barrel and the mounting edge of the thin-wall casing are assembled and positioned together and subjected to positioned welding, and argon is supplied to a welding gun and the hollow supporting rod simultaneously; the relative positions and the included angle of the hollow supporting rod and the connecting frame are adjusted manually, and the housing opening of the protection dragging cover is located on the back surface of the weld joint; the angle of the welding gun is adjusted manually, the welding gun is located in a welding position, and then a power source is switched on for welding.
Owner:SHENYANG LIMING AERO-ENGINE GROUP CORPORATION

Integrated production system of circuit breaker

The invention discloses an integrated production system of a circuit breaker. The central part of an indexing rotary disc is fixed on a rotary part on an indexing rotary driving device; a circuit breaker shell feeding mechanism, a dustproof ring assembling mechanism, a guide pipe assembling mechanism and a discharging mechanism are located beside the indexing rotary disc in a surrounding mode andarranged in an annular array mode; the guide pipe pressing mechanism is arranged between the guide pipe assembling mechanism and the discharging mechanism, and the indexing type rotary driving devicedrives the indexing rotary disc to rotate by 45 DEG each time so as to convey a workpiece positioning piece at a previous station to the next station in a displacement mode; and eight workpiece positioning mechanisms which are arranged in an annular array are arranged on the side of the indexing rotary disc, the positions of the circuit breaker shell feeding mechanism, the dustproof ring assembling mechanism, the guide pipe assembling mechanism, the discharging mechanism and the guide pipe pressing mechanism respectively correspond to those of five workpiece positioning mechanisms. The workingefficiency of circuit breaker production and processing is improved, and the labor cost and the labor intensity are reduced.
Owner:WENZHOU BEIJIAFU AUTOMATIC TECH CO LTD

Cross-border e-commerce overseas warehouse accurate inventory management system and method

The invention discloses a cross-border e-commerce overseas warehouse accurate inventory management system and method. Each goods or shelf is provided with a record label, each warehouse is provided with an ex-warehouse traceability machine, the label of the goods to be ex-warehouse is recorded in a video recording mode, and the ex-warehouse traceability machine carries out label identification to record the goods ex-warehouse condition. Meanwhile, the warehousing system carries out goods ex-warehouse recording according to a previous recording mode; the overall planning system regularly checks goods conditions and ex-warehouse conditions recorded by the ex-warehouse traceability machine and the warehousing system, feeds back abnormal data to a warehouse for self-inspection and feeds back an error correction report; each warehousing system forms a demand sequence of each goods according to supply and demand conditions of each goods in each warehouse in a certain time period, predicts goods demand conditions in a period of time to form a goods demand table, and feeds back recent expected demand conditions to the overall planning system in combination with existing goods quantity conditions; and the overall planning system carries out cargo transfer according to the expected demand condition fed back by each warehousing system and the existing warehousing quantity condition.
Owner:杭州大萝卜网络科技有限公司

Error-proofing clamp for press-mounting wind wheel

The invention relates to an error-proofing clamp for press-mounting a wind wheel. The error-proofing clamp comprises a control handle controlled by an electromagnetic valve, left and right cylinders on which ejector rods are arranged, left and right push blocks on which guide cylinders are arranged, left and right guide tracks capable of enabling the guide cylinders to slide on the guide tracks, and an intermediate bottom plate on which a positioning column for a position-limiting motor is arranged. As a plurality of error-proofing convex fins with the shape and size which are in line with the shape and size of a gap between two adjacent blades on the wind wheel in a stretched state are additionally arranged on the outer surfaces of the push blocks and guide cylinders in the axial direction, the wind wheel can only be sheathed on the guide cylinders under the condition that the shape and size of the gap between the blades are in line with the shape and size of the error-proofing convex fins in the stretched state, thus the occurrence of the wrong sheathing situation of the wind wheel can be avoided, the correctness of the directions of the blades of the wind wheel which is mounted on the motor is ensured, the error-proofing clamp is further favorable for ensuring the product quality, improving the production efficiency, lowering the production cost as well as relieving the working strength and mental pressure of operators, and the error-proofing camp further has very strong practicality.
Owner:上海合愉电机有限公司

Flexible manufacturing system of circuit breaker

The invention discloses a flexible manufacturing system of a circuit breaker. The central part of an indexing type rotating disc is fixed on a rotating part on an indexing type rotating driving device; a circuit breaker shell feeding mechanism, a dustproof ring assembling mechanism, a guide pipe assembling mechanism and a discharging mechanism are located beside the indexing type rotating disc ina surrounding mode and are arranged in an annular array mode; a guide pipe pressing mechanism is arranged between the guide pipe assembling mechanism and the discharging mechanism, and the indexing type rotating driving device drives the indexing type rotating disc to rotate by 45 degrees each time so as to convey a workpiece positioning piece at a previous station to a next station; and eight workpiece positioning mechanisms which are arranged in an annular array mode are arranged at the side position of the indexing type rotating disc, and the positions of the circuit breaker shell feeding mechanism, the dustproof ring assembling mechanism, the guide pipe assembling mechanism, the discharging mechanism and the guide pipe pressing mechanism correspond to the five workpiece positioning mechanisms respectively. According to the system, the working efficiency of circuit breaker production and processing is improved, and the labor cost and the labor intensity are reduced.
Owner:WENZHOU BEIJIAFU AUTOMATIC TECH CO LTD

Automobile steering system gear shaft and lengthened rod connection structure

The invention discloses an automobile steering system gear shaft and lengthened rod connection structure, comprising a base, an inner sleeve, a spring and an outer sleeve; the base is welded to one end of a lengthened rod; the inner sleeve is fixed to one side of the base far away from the lengthened rod; the inner sleeve is sleeved with the outer sleeve; the spring is arranged between the base and the outer sleeve; one end of the spring is in contact with the base; the other end of the spring is in contact with the end face of the outer sleeve; the end, close to the base, of the inner wall ofthe inner sleeve is provided with splines matching with a gear shaft; the end, far away from the base, of the inner sleeve is extended out to form a stop protrusion for controlling a movement distance of the outer sleeve; the inner sleeve is provided with a plurality of spherical holes, evenly along the periphery, between the splines and the stop protrusion; each spherical hole is internally provided with a steel limiting ball; the inner wall of the outer sleeve is provided with a stop step corresponding to the stop protrusion. The automobile steering system gear shaft and lengthened rod connection structure has the advantages that assembly and disassembly time is shortened so that efficiency is improved, poor assembly of bolts in the prior art is avoided, and chances for generating noiseare slimmed.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD

Traceable informatization boxing method and system

The invention provides a traceable informatization boxing method and system in the technical field of computers, and the method comprises the following steps: S10, obtaining items associated with a product based on a product model, and obtaining product information corresponding to each item; S20, distributing a corresponding number of box bodies based on the product information, wherein each box body corresponds to a unique box number; S30, scanning a product bar code on each product to obtain a product serial number, and verifying the product serial number based on the product information; S40, binding the verified product serial number with a box number to generate a boxing code; and S50, printing the boxing code and adhering to a box body, and calculating informatization boxing on the product through the boxing code. The method has the advantages that the traceability of products is greatly improved, and the boxing cost is reduced.
Owner:FUJIAN NEWLAND COMM SCI TECH

Plunger pump cylinder leather cup assembly device and method

The invention discloses a plunger pump cylinder leather cup assembly device and method. The plunger pump cylinder leather cup assembly device comprises a fixed bottom plate, an installation core rod perpendicularly installed on the fixed bottom plate, and a limiting support arranged outside the bottom of the installation core rod in a sleeving mode. A leather cup installation groove is formed in the top of the installation core rod, and a leather cup is folded into a U shape to be placed into the leather cup installation groove. The radial outer side of the installation core rod is provided with a protective sleeve capable of moving up and down in a nesting mode. The top of the limiting support is provided with a through hole, the limiting sleeve penetrates out of the through hole, and the open end of a plunger pump cylinder penetrates into the through hole. The top face of the limiting support limits steps of the open end of the plunger pump cylinder during downward pressing of the plunger pump cylinder. A movable lever pushing the leather cup into a leather cup groove of an inner hole of the plunger pump cylinder under the downward-pressing driving of the protective sleeve is arranged in the protective sleeve. Through the plunger pump cylinder leather cup assembly device and assembly method, one-time assembly in place rate of the leather cup is very high, and the edge warping and edge turning phenomena after in-place assembly of the leather cup can be avoided effectively.
Owner:ZHEJIANG ASIA PACIFIC MECHANICAL & ELECTRONICS

External gear-shaped reinforced composite pipe

The invention provides an external gear-shaped reinforced composite pipe. The external gear-shaped reinforced composite pipe is characterized in that the external gear-shaped reinforced composite pipe comprises a pipe body, a spigot and a socket, wherein the spigot and the socket are arranged at the two ends of the pipe body respectively, the pipe body comprises an inner layer and an outer layer, the cross section of the inner layer is in a circular ring shape, the outer layer comprises a plurality of gear-shaped circular ring protrusions, and the gear-shaped circular ring protrusions are of hollow structures; and the cross section of the outer layer is in a gear ring shape, and the cross section of the spigot and the cross section of the socket are both in a ring shape. According to the external gear-shaped reinforced composite pipe, the outer layer of the pipe body is of a gear circular ring structure, the contact area of the pipe body and soil can be enlarged, good anti-sedimentation capacity is achieved, water and soil loss is prevented, higher rigidity and higher load resistance are achieved, the axial flexibility of traditional double-wall corrugations is reserved, stress is uniform, and collapse caused by local buckling deformation or reverse bending deformation is not liable to occur.
Owner:GUANGDONG YONGGAO PLASTIC INDUSTRY DEVELOPMENT CO LTD

Node structure of rigid single-layered latticed-shell structure

The invention relates to a latticed-shell structure, in particular to a single-layered latticed-shell structure, more particularly, a node structure of a rigid single-layered latticed-shell structure, and belongs to the technical field of roof buildings. The node structure is characterized by comprising six hollow rod pieces (3) welded and fixed with seal plates (2), and the welding angle is adjustable. The node structure further comprises a bolt drum (1) adopting a hollow cylindrical structure, wherein a detachable cover plate (101) is arranged on at least one end surface of the bolt drum (1); six groups of bolt holes are uniformly distributed in the circumferential direction of the bolt drum (1); the seal plates (2) welded with the hollow rod pieces (3) are in bolted connection with the bolt drum (1) through the bolt holes; and the bolt drum (1) is further provided with an axial bolt (4) through which the cover plate (101) is in bolted connection with the main body of the bolt drum (1).
Owner:上海岑闵新材料科技有限公司

Broken bridge aluminum product gulleting device

A broken bridge aluminum product gulleting device comprises a workbench, an input mechanism, a main limiting mechanism, a gulleting mechanism and an output mechanism, and the input mechanism, the main limiting mechanism, the gulleting mechanism and the output mechanism are sequentially connected to the workbench along the working procedure. The input mechanism comprises a rotating shaft, a vibration reduction outer sleeve and a vibration reduction external member, and the vibration reduction outer sleeve is arranged outside the rotating shaft in a sleeving mode and connected with the rotating shaft through the vibration reduction external member; and the broken bridge aluminum product gulleting device further comprises an auxiliary limiting mechanism arranged on the workbench, and the auxiliary limiting mechanism is arranged between the tooth punching mechanism and the output mechanism. According to the broken bridge aluminum product gulleting device, vibration generated during gulleting is weakened through vibration reduction design, meanwhile, the auxiliary limiting mechanism is additionally arranged after the gulleting procedure to improve the overall bearing capacity, and therefore the overall machining precision is improved, it is guaranteed that the subsequent strip penetrating procedure is conducted in order, the situation that due to insufficient precision, a machine is stuck, and consequently a profile and a rubber strip cannot be aligned is avoided, so that the processing efficiency is effectively improved.
Owner:佛山市三水凤铝铝业有限公司 +1

Method for cleaning bottom of manual plate steel door

The invention discloses a method for cleaning the bottom of a manual plate steel door. The method comprises the following steps that S1, a bearing strip is fixed to the bottom of a door plate; S2, a lower horizontal plate B of a middle strip with an I-shaped cross section is inserted into a sliding groove in a bearing piece, the bearing piece is an elastic rubber strip, and the bottom of the bearing piece is connected with bristles; S3, the top of the upper horizontal plate B of the middle strip is connected with the bottom of the bearing strip through a spring; and S4, stop pins are installedat two ends of the bearing strip, buckling pieces are connected to two ends of the middle strip through hinges, the ends, away from the hinges connected with the buckling pieces, of the buckling pieces are rotated, the stop pins located above the buckling pieces are sleeved with stop pin holes in the buckling pieces, the spring is in a compressed state, and the upper side hole walls of the stop pin holes are attached to the upper side walls of the stop pins. The bristles are arranged at the bottom of the door plate and make contact with the ground every time the door is opened and closed, sothat the ground at the bottom of the door plate is swept, dirt is prevented from accumulating at the entrance and exit, subsequent ground cleaning is facilitated, and the cleaning difficulty is reduced.
Owner:FOSHAN HUA AO COLORS STEEL SANDWICH PANEL CO LTD

Express delivery vehicle and delivery method

The invention provides an express delivery vehicle which comprises a driving vehicle and a driven vehicle, wherein the driving vehicle and the driven vehicle are connected through a detachable connecting structure; the driving vehicle drives the driven vehicle to move together, and an express cabinet is arranged in the driven vehicle; the driving vehicle and the driven vehicle are connected through a detachable connecting structure, and in the delivery process, the whole driven vehicle can be placed at a delivery point so that a recipient can take the express items from the express item cabinet, and the driving vehicle can leave to conduct other work tasks, and the driven vehicle is retracted after the express items are taken; the driven vehicle is formed by grouping a plurality of vehiclesections; after being grouped, the locomotive sections are connected with the driving locomotive; the driving vehicle can carry a plurality of vehicle sections at one time; different delivery requirements are met; and the situation includes the situation that multiple express items exist at a single delivery point and need to be borne by multiple car sections, and the express items can be placedinto the multiple car sections to be delivered to the delivery point at a time, and the situation includes the situation that multiple delivery points exist on the same delivery route, and the car sections can be placed at the corresponding delivery points respectively, and the multiple delivery points are delivered at a time, and the delivery efficiency can be improved.
Owner:SHANGHAI DIANJI UNIV

Strip penetrating packaging combination line as well as tooth punching and strip penetrating method

The invention provides a strip penetrating packaging combination line. The strip penetrating packaging combination line comprises a profile tooth punching and strip penetrating machine; the profile tooth punching and strip penetrating machine comprises a workbench, an input mechanism, a main limiting mechanism, a tooth punching mechanism and an output mechanism; the input mechanism, the main limiting mechanism, the tooth punching mechanism and the output mechanism are sequentially connected to the workbench along the working procedure; the profile tooth punching and strip penetrating machine further comprises an auxiliary limiting mechanism arranged on the workbench, and the auxiliary limiting mechanism is arranged between the tooth punching mechanism and the output mechanism; and supporting legs are connected to the bottom of the workbench, buffering assemblies are arranged on the supporting legs, and meanwhile the invention further provides a tooth punching and strip penetrating method. According to the strip penetrating packaging combination line as well as the tooth punching and strip penetrating method, vibration generated during tooth punching is weakened through the vibration reduction design, so that the overall machining precision is improved, it is guaranteed that the subsequent strip penetrating procedure is conducted in order, the situation that due to insufficient precision, a machine is clamped, and consequently a profile cannot be aligned with an adhesive tape is avoided, and the machining efficiency is effectively improved.
Owner:佛山市三水凤铝铝业有限公司 +1

Novel heavy truck car hub unit

InactiveCN106274282AKeep the working environment cleanTo achieve the purpose of maintenance-freeHubsEngineeringTruck
The invention belongs to the technical field of car spare parts, and relates to a novel heavy truck car hub unit. The unit mainly comprises a hub, a first bearing and a second bearing. The first bearing and the second bearing are located at the two ends of the hub correspondingly. The first bearing and the second bearing are each comprises a retainer, an inner collar, an outer collar and a plurality of rolling bodies. A combined sealing ring, an O-shaped ring, a single sealing ring, a sing sealing ring, an O-shaped ring and a combined sealing ring are sequentially arranged at the right end in the hub from right to left. The combined sealing rings are arranged between a large flange of an inner ring of the first bearing and the hub as well as between a large flange of an inner ring of the second bearing and the hub correspondingly. The single sealing rings are located between inner and outer rings of the first bearing as well as between the inner and outer rings of the second bearing. The O-shaped rings are located between the first bearing and a shaft as well as between the second bearing and the shaft. According to the novel heavy truck car hub unit, the bearing base planes and a shaft shoulder are used positioning, an original space ring structure is omitted, and the assembling process can be simplified; and the structure is simple, the unit has the advantages of being convenient to mount and replace, the mounting efficiency can be improved, and the unit has high market popularization value.
Owner:山东朝阳轴承有限公司

Outer polygonal impeller-shaped reinforced composite pipe

The invention provides an outer multilateral impeller-shaped reinforced composite pipe. The outer multilateral impeller-shaped reinforced composite pipe comprises a pipe body, a spigot and a socket, wherein the spigot and the socket are arranged at two ends of the pipe body respectively, the pipe body comprises an inner layer and an outer layer, the cross section of the inner layer is in a circular ring shape, and the outer layer comprises polygonal circular ring protrusions and corrugated protrusions; and the corrugated protrusions are arranged on the surfaces of the straight edges of the polygonal annular protrusions, the polygonal annular protrusions and the corrugated protrusions are each of a hollow structure, the cross section of the outer layer is in the shape of a polygonal impeller ring, and the cross section of the spigot and the cross section of the socket are each in the shape of a ring. The outer layer of the pipe body is of a multilateral impeller circular ring structure with circular rings and corrugations, so that the contact area of the pipe body and soil can be enlarged, the pipe body has good anti-settling capacity, water and soil loss is prevented, the pipe body further has higher rigidity and higher load resistance, the axial flexibility of traditional double-wall corrugations is reserved, stress is uniform, and collapse caused by local buckling deformation or reverse bending deformation is not liable to occur.
Owner:GUANGDONG YONGGAO PLASTIC INDUSTRY DEVELOPMENT CO LTD

Mold assembly for air conditioning outdoor unit panel

PendingCN107520302AAdd free endsImprove fitEngineeringAir conditioning
The invention discloses a mold assembly for an air conditioning outdoor unit panel. The mold assembly comprises a first mold and a second mold, wherein a containing groove is formed in the first mold, a bulge is formed on the second mold, the bulge is matched with the containing groove, the panel is located between the outer wall surface of the bulge and the inner wall surface of the containing groove, a raised line is arranged on the bulge, and the raised line is close to the ridge of the bulge. According to the mold assembly for the air conditioning outdoor unit panel, the raised line is arranged in a position, which is close to the ridge, of the bulge, so that when the first mold is matched with the second mold so as to process the panel, the bonding effect of the free end surface of the raised line and the corresponding surface of the panel can be increased, the phenomenon that the plane of the panel is partially bonded and the plane of the panel on the ridge is not bonded is avoided, the fillet of the ridge of the panel is regular, and the ridge is clear. In addition, when the first mold slightly deforms in positions except the raised line, the part preparing effect is not influenced.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD

Novel light truck hub unit

InactiveCN106195025AKeep the working environment cleanTo achieve the purpose of maintenance-freeRolling contact bearingsHubsEngineeringTruck
The invention belongs to the technical field of automobile parts, and relates to a novel light truck hub unit. The novel light truck hub unit mainly comprises a hub, a first bearing and a second bearing. The first bearing and the second bearing are located at the two ends of the hub correspondingly. The first bearing and the second bearing each comprise a holder and a plurality of rolling bodies, and the hub is further connected with a plurality of hub bolts. A combined seal, an O-shaped ring, a single seal, a single seal and a combined seal are arranged in the hub, wherein the combined seals and the single seals are both located between the inner rings and the outer rings of the first bearing and the second bearing, and the O-shaped ring is located between the inner ring large end face of the second bearing and a shaft. It is guaranteed that pre-tightening of the hub unit is proper through matching of the first bearing and the second bearing with the hub, and backlash self-adjustment between the bearings is achieved; and through usage of the double combined seals, the double single seals and the O-shaped ring, the cleanliness in the hub is improved, the cleanliness of the bearing operating environment is guaranteed, and therefore the service life of the bearings is prolonged.
Owner:山东朝阳轴承有限公司

A concrete uniaxial tensile test fixture and test method

The invention provides a concrete uniaxial tensile test fixture and test method, which include two clamp bodies with the same structure, the two clamp bodies are respectively arranged at the two ends of the concrete test piece, and there is a gap between the clamp body and the concrete test piece The specimen clamping part is horizontally embedded in the clamp body; the specimen clamping part is provided with a specimen installation groove, and the clamping end of the concrete specimen is fitted in the specimen installation groove; the concrete specimen The clamping end of the specimen is in close contact with the mounting groove surface of the test piece, and the two sides of the clamping end of the concrete specimen are in contact with the surface of the clamping body; in the present invention, the clamping end of the specimen is in contact with the mounting groove surface of the specimen Close fit, using the geometric constraints of the clamp body and the specimen clamping piece, to achieve the clamping and fixing of the specimen, avoiding the local stress concentration at the clamping end of the concrete specimen, and reducing the occurrence of cracks and slowing at the clamping end of the specimen. Variable and other additional damage ensures that the tensile fracture surface occurs in the middle of the specimen, improving the reliability and stability of the test process.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Error-proofing clamp for press-mounting wind wheel

The invention relates to an error-proofing clamp for press-mounting a wind wheel. The error-proofing clamp comprises a control handle controlled by an electromagnetic valve, left and right cylinders on which ejector rods are arranged, left and right push blocks on which guide cylinders are arranged, left and right guide tracks capable of enabling the guide cylinders to slide on the guide tracks, and an intermediate bottom plate on which a positioning column for a position-limiting motor is arranged. As a plurality of error-proofing convex fins with the shape and size which are in line with the shape and size of a gap between two adjacent blades on the wind wheel in a stretched state are additionally arranged on the outer surfaces of the push blocks and guide cylinders in the axial direction, the wind wheel can only be sheathed on the guide cylinders under the condition that the shape and size of the gap between the blades are in line with the shape and size of the error-proofing convex fins in the stretched state, thus the occurrence of the wrong sheathing situation of the wind wheel can be avoided, the correctness of the directions of the blades of the wind wheel which is mounted on the motor is ensured, the error-proofing clamp is further favorable for ensuring the product quality, improving the production efficiency, lowering the production cost as well as relieving the working strength and mental pressure of operators, and the error-proofing camp further has very strong practicality.
Owner:上海合愉电机有限公司

Piston pump cylinder cup assembly device and assembly method

The invention discloses a plunger pump cylinder leather cup assembly device and method. The plunger pump cylinder leather cup assembly device comprises a fixed bottom plate, an installation core rod perpendicularly installed on the fixed bottom plate, and a limiting support arranged outside the bottom of the installation core rod in a sleeving mode. A leather cup installation groove is formed in the top of the installation core rod, and a leather cup is folded into a U shape to be placed into the leather cup installation groove. The radial outer side of the installation core rod is provided with a protective sleeve capable of moving up and down in a nesting mode. The top of the limiting support is provided with a through hole, the limiting sleeve penetrates out of the through hole, and the open end of a plunger pump cylinder penetrates into the through hole. The top face of the limiting support limits steps of the open end of the plunger pump cylinder during downward pressing of the plunger pump cylinder. A movable lever pushing the leather cup into a leather cup groove of an inner hole of the plunger pump cylinder under the downward-pressing driving of the protective sleeve is arranged in the protective sleeve. Through the plunger pump cylinder leather cup assembly device and assembly method, one-time assembly in place rate of the leather cup is very high, and the edge warping and edge turning phenomena after in-place assembly of the leather cup can be avoided effectively.
Owner:ZHEJIANG ASIA PACIFIC MECHANICAL & ELECTRONICS

Rope end safety locking mechanism of elevator compensation system

The invention discloses a rope end safety locking mechanism of an elevator compensation system, and belongs to the field of elevator equipment. The technical scheme is characterized in that the mechanism comprises an upper cover plate, a lower cover plate, a connecting base and high-strength bolts used for making the upper cover plate connected with the lower cover plate; the high-strength bolts penetrate through the four corners of the upper end face of the upper cover plate, and the lower end surface of the upper cover plate is fixedly connected with the lower cover plate; a car bottom plateis tightly attached to the gap between the upper cover plate and the lower cover plate; and a rubber pad layer is tightly attached to the upper end face of the lower cover plate. The lower cover plate and the car bottom plate are connected more tightly through the rubber pad layer, and a protection cover plate is used for blocking a front opening of an arc-shaped groove, so that the stability ofconnection between a base station and a compensation chain is enhanced. The compensation chain is fixed through a connection pile, and secondary locking is carried out on the compensation chain through thin bolts, so that the use safety of the compensation chain is guaranteed. The compensation chain is locked through stainless steel buckles, so that the connection stability of the compensation chain is enhanced.
Owner:TIANJIN XINBAOLONG ELEVATOR GRP
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