88results about How to "Not prone to offset" patented technology

The invention provides an automatic loading-unloading device of a machine tool, and belongs to the technical field of a machine, and solves the problems for more accurately and stably grabbing a workpiece by virtue of a pneumatic claw. The automatic loading-unloading device comprises a connecting plate, a telescopic air cylinder, a pneumatic claw air cylinder and a pneumatic claw connected to the pneumatic claw air cylinder, wherein a hinge circular hole and at least one arc hole are formed in the connecting plate; the center of an arc line of each arc hole in the length direction is concentric to that of the hinge circular hole; a positioning part I is arranged in the hinge circular hole; a positioning part II is arranged in each arc hole; an installation block is positioned on the connecting plate by virtue of the positioning part I and the positioning part II; the installation block can rotate around the center of the hinge circular hole relative to the connecting plate, so that the positioning part II slides along the arc hole; the pneumatic claw comprises a claw head I and a claw head II; the inner side surface of the claw head I is provided with a flat clamping surface I; the inner side surface of the claw head II is provided with a V-shaped clamping surface II which is concaved inwards; the position of the clamping surface I corresponds to that of the clamping surface II, so that the pneumatic claw more accurately and stably grab the workpiece.

The invention provides a method and a structure for waterproofing a floor slab excellent in adhesion between the floor slab and an asphalt mixture, and waterproof effect, and durability. After a waterproof layer (3) formed of two-part curing resin A has been formed on the floor slab (1), an adhesive layer (4) formed of two- part curing resin B having a longer curing time than the two-part curing resin A is formed on the waterproof layer (3) and then, the adhesive layer (4) is paved with the asphalt mixture (5).

The invention discloses a novel model rocket. The whole arrow is composed of, from top to bottom, a nose cone, a control cabin, an arrow body, a tail fin and an engine. In structural design, the modelrocket innovates with the use of vector, removable tail fins. The nose cone is made of PLA material, printed in 3D and designed with the von Karman curve of aerospace, which ensures the minimum air drag of the arrow during flight, and the control circuits are integrated in the control module. The main structure of the arrow body is made of wood, and the carbon tube is used as the supporting framework to increase the stability of the arrow body and reduce the weight of the arrow. The control cabin is connected with the nose cone by a quick disassembly structure, so that the arrow body can be quickly assembled. The invention can ensure the stability of the model rocket body to the maximum extent, realize the controllability of the flight trajectory, and reach the designated target point inthe air. At the same time, the model rocket has an excellent aerodynamic configuration, can reduce the flight resistance, and thus achieves a higher flight height.

The invention relates to the technical field of coal-cutting machinery, and discloses a hydraulic support, which comprises a supporting beam and a flexible beam, wherein at least one guiding device is arranged between the lateral surface of the flexible beam and the supporting beam; rolling friction is formed between the flexible beam and the supporting beam due to the guiding device; under the action of the guiding device, the flexible beam is unlikely to offset under the driving of a driving device; the rolling friction is formed between the flexible beam and the supporting beam, so the frictional force between the flexible beam and the supporting beam is far smaller than the acting force applied by the driving device on the flexible beam; and thus, the flexible beam avoids being lockedand blocked and can make flexible motion normally all the time; and when a top plate of a working surface is broken, the flexible beam can extend out in time to reduce the end-to-end distance of the beam, and the problems of wall caving and falling which are generated in the operating process of the hydraulic support are solved consequently.

The present invention discloses a connection-type insulator for a cable butt joint. The connection-type insulator comprises a first cable and a second cable which are connected, external thread sleeves are bonded on the first cable and the second cable through glue to allow internal thread sleeves to conveniently drive extruding discs to perform spacing fixing of the insulator and allow the position of the insulator not to easily generate migration, the right end of a locking guide bar is in threaded connection with a dislocation indication rod to better observe whether positions of the extruding discs generate movement or not so as to determine whether the position of the insulator generates movement or not and facilitate timely regulation of the insulator, a location plate sleeves a screw, and hairbrushes are fixedly installed at opposite sides of the location plate to allow a guide block to conveniently drive a fixed mount to move left and right and allow the fixed mount to drive left-right movement of the hairbrush, namely, the substances, such as surface dust, of the insulator is cleaned.

The invention discloses a damping base of a prefabricated substation, and belongs to the technical field of power equipment. The damping base comprises a prefabricated substation main body and a mounting base. A mounting groove is formed in the top of the mounting base. Two support frames are fixedly arranged on each of the left and right sides of the bottom of the mounting groove. Adjusting sliders are in sliding connection with the four support frames. Damping springs are fixedly arranged on the opposite sides of every two left-right opposite adjusting sliders. According to the damping baseof the prefabricated substation, when the prefabricated substation main body is hit by a downward impact force, a mounting plate is impacted through a T-shaped mounting base and and elastic blocks, sothat damping support components and the damping springs at the bottom of the mounting plate play the role of damping and buffering, the impact resistance effect of the damping base of the prefabricated substation is relatively good, ultimately the damping effect of the damping base of the prefabricated substation is relatively good. When a substation is impacted, inner electric elements are not prone to being damaged, and the protection effect is relatively good.

The invention relates to a high cutting accuracy type ceramic tile cutting device. The device comprises a main body, a working block, a propping mechanism, a cutting mechanism, a dust collecting mechanism, two limiting blocks and two fixing plates, wherein a clamping mechanism comprises a chute, a sliding block, an extending groove, an extending block, an extending rod and a plurality of first springs; the propping mechanism comprises a returning block, a returning groove, a second spring, a returning plate, a returning rod and a rolling unit; and the dust collecting mechanism comprises a connecting rod, a moving block, an air pump, a storing chamber, a filtering net and a scrapping unit. According to the high cutting accuracy type ceramic tile cutting device, the clamping mechanism and the propping mechanism are matched with each other, so that the cutting position can be accurately adjusted by the ceramic tile cutting device, and meanwhile, deviation is greatly avoided during cutting. Therefore, the ceramic tile cutting device is high in cutting accuracy; and moreover, the dust collecting mechanism is provided, so that the ceramic tile cutting device is capable of collecting a large number of dust produced by cutting, and the problem that the dust pollutes the air environment and influences the health of workers can be avoided.

The invention relates to a mechanical puller for disassembling impellers and balance plates. The problem of lacking of a tool capable of effectively disassembling the balance plates, balance disks and the impellers at present is solved. Two impeller disassembling devices are arranged in a symmetrical mode according to a central axis of the impellers, each pulling plate is located between the corresponding first-stage impeller and first-stage pump section, one end of each connecting bolt is connected with the corresponding pulling plate in a threaded mode, each pulling plate makes close contact with one end face of the corresponding first-stage impeller through a first lock nut arranged on the corresponding connecting bolt, the other end of each first lead screw is installed on a corresponding connecting plate in a penetrating mode and locked through a second lock nut, one end of each head jackscrew is matched with one end of a corresponding ejector bush machined with a shoulder, each head jackscrew is installed in the center of the corresponding connecting disk in a penetrating mode and connected with the connecting disk in a threaded mode, and each balance plate is fixedly connected with the corresponding connecting plate through a second lead screw and a third lock nut. The mechanical puller is used for disassembling the impellers and the balance plates.

A leakage-free special pump comprises a pump body, an eccentric shaft, an inner movable sleeve, an outer movable sleeve, an upper cover inner plate, a lower cover inner plate and a cylindrical capsule, wherein the eccentric shaft, the inner movable sleeve, the outer movable sleeve, the upper cover inner plate, the lower cover inner plate and the cylindrical capsule are disposed in the pump body. The capsule is provided with a plurality of capsule cavities in radial arrangement, the eccentric shaft is bridged between the upper cover inner plate and the lower cover inner plate through a bearing, and the inner movable sleeve and the outer movable sleeve are both sleeved inside and outside the eccentric shaft respectively. The capsule is mounted between the inner wall of the pump body and the outer movable sleeve, and a water inlet pipe opening and a water outlet pipe opening of each capsule cavity are correspondingly communicated with a water inlet valve assembly and a water outlet valve assembly on the pump body. The inner wall of the pump body is provided with an outer dovetail groove, the outer lateral wall of the outer movable sleeve is provided with an inner dovetail groove, and the inner lateral wall and the outer lateral wall of the capsule are provided with an inner dovetail protrusion and an outer dovetail protrusion which are in inserting fit with the inner dovetail groove and the outer dovetail groove respectively. The leakage-free special pump is satisfactory in structural design, water sucked in the capsule is high in quantity by forcedly stretching and extruding the capsule, and integral performance of the pump body is improved.

Provided is a simultaneous molding-decorating apparatus, in which the axis of rotation of a decorative sheet let-off roll (2) of a decorative sheet feeding device (83) and the axis of rotation of a guide roller (3) are made parallel to a parking face (27) to have a decorative sheet (21) arranged thereon, so that the appearance defect of a resin molding due to the break and wrinkle of the decorative sheet (21) and the crack of a pattern layer may not be caused in the state where the parking face (27) is inclined with respect to a platen face (24a).

The invention discloses a scrap cleaning device for an engineering machinery machining table board, and belongs to the technical field of scrap cleaning for engineering machinery machining. According to the scheme, when iron metal is cut, an electric heater performs continuous heating in a protective cover, a graphite diaphragm adsorbs heat in the protective cover and transmits the heat to an expansion air bag, the expansion air bag expands due to the heat, and magnetism-insulating powder is gradually separated from the original mutual contact and abutting state due to expansion of the expansion air bag, so that magnetic balls emit magnetic attraction force to the outside, the magnetic balls have certain attraction force on the iron metal scraps, the iron metal scraps are attracted into a machining platform, and the scraps are not prone to splashing all around; when the magnetic balls generate magnetism, the multiple magnetic balls swing back and forth due to the fact that the multiple magnetic balls are homopolar, the iron metal scraps on the surface of the machining platform can be attracted in a large area, and the iron metal scraps are not prone to splashing all around.

The invention discloses stamping and overturning equipment for processing an environment-friendly new energy building plate, and belongs to the field of board stamping. When the stamping and overturning equipment is used for stamping the new energy building metal plate, a piston adsorbs air in a stamping die into a piston sleeve through extrusion, so that a cleaning flat plate is in a plane at the moment, adsorption capacity on the metal plate placed on the surface exists, and the metal plate is not prone to deviation in the stamping process; after stamping is finished, air at the upper side of the piston is extruded when the piston moves upwards, air pressure is guided into a stamping die connected with the piston from a hose, the cleaning flat plate on the upper surface of the stamping die is blown to form an inclined angle, and waste and sundries left on the surface of the cleaning flat plate after stamping are cleaned up; and meanwhile, heat generated during stamping enables an expansion air bag to be gradually heated and expanded, magnet blocks magnetically attract the metal plate, and the separation efficiency of the stamping equipment and the metal plates is improved.

The invention discloses a construction method of a tree branch column inclined column of a natatorium, and belongs to the technical field of building construction. The construction method comprises the following construction steps of: (1) measuring and positioning, mounting an inclined frame column joint bar, and positioning positions of an inclined frame column main bar and a horizontal additional stirrup; (2) mounting a steel rib frame column steel bar, and embedding vibrating equipment at the root part of the steel rib frame column steel bar; (3) mounting a steel rib frame column template; (4) mounting an inclined frame column and a beam steel bar, and mounting an embedded part; (5) mounting a round rib column template; (6) mounting the inclined frame column and a beam template, and reinforcing; and (7) pouring concrete. According to the construction method disclosed by the invention, acquired BIM (building information modeling) space data is expanded by utilizing expansion software to obtain an accurate through-opening graph, so that reinforcing construction operation is further simplified; and a finally-molded building can be guaranteed to have relatively high structural strength, so that actual utilization requirements are met. Meanwhile, the construction method is simple and convenient and has high efficiency, and the construction cost is remarkably reduced.

The invention discloses an automobile brake pad abrasion sensor. The sensor comprises a butt joint block, a probe and a sensor body, wherein a multi-stage alarm structure is arranged in the sensor body, and the butt joint block is arranged on one side of the probe. According to the sensor, by arranging a limiting structure, when wire bodies are buried in the sensor body, the wire bodies can be aligned with a first mounting groove, a second mounting groove and a third mounting groove correspondingly, movable blocks on the two sides of the top ends of the wire bodies slide into sliding grooves in the two sides of the first mounting groove, the second mounting groove and the third mounting groove, the wire bodies are limited, when the wire bodies are mounted in the first mounting groove, thesecond mounting groove and the third mounting groove, clamping blocks at the top ends of the wire bodies can be clamped into clamping grooves of the sensor body to further limit the wire bodies, and the wire bodies are stably mounted in the sensor body and are not liable to deviate to influence normal use in the use process, so that the safety of the sensor is effectively improved.

The invention relates to a stationary cam cylinder which comprises a cylinder body, a guide slot, a first action slot and a second action slot, wherein the guide slot is formed on the cylinder body; the first action slot is formed on the cylinder body and comprises a first slot section and a second slot section which are communicated with each other; the first slot section is staggered with the guide slot; the first slot section of the first action slot is wider than the second slot section of the first action slot; the second action slot is formed on the cylinder body and also comprises a first slot section and a second slot section which are communicated with each other; the second slot section of the second action slot is staggered with the guide slot; the second slot section of the second action slot is wider than the first slot section of the second action slot.

The invention relates to the technical field of steel coil storage, in particular to an automatic steel coil conveying and storing device and a working method. The automatic steel coil conveying and storing device comprises a base and a storage bin, wherein a plurality of placement grooves are formed in the storage bin at equal intervals; the automatic steel coil conveying and storing device further comprises a controller, a conveying mechanism and a storing mechanism, wherein the controller is fixedly arranged at the top of the base; the conveying mechanism is arranged at the top of the baseand used for conveying steel coils, and the conveying mechanism comprises a putting basket, a lifting assembly, a transverse sliding assembly and a longitudinal sliding assembly; and the storing mechanism is arranged at the top of the base and used for storing the steel coils, the storing mechanism comprises a plurality of storage baskets, a plurality of locking assemblies and a plurality of guiding assemblies, and the lifting assembly, the transverse sliding assembly, the longitudinal sliding assembly, the plurality of locking assemblies and the a plurality of guiding assemblies are electrically connected with the controller. According to the automatic steel coil conveying and storing device and the working method, the storage steps is few, the speed is high, the positions of the stored steel coils are not prone to deviate, and meanwhile, the steel coils are not prone to fall off from a stereoscopic bin, so that potential safety hazards are light.

The invention relates to a construction site assembling mechanical auxiliary tool for a steel structural member. The construction site assembling mechanical auxiliary tool comprises a worktable, a clamping device and a pushing device. The clamping device is mounted on the upper end surface of the worktable, the pushing device is arranged right above the clamping device, and the lower end of the pushing device is mounted on the upper end surface of the worktable. According to the construction site assembling mechanical auxiliary tool for the steel structural member, the steel member is splicedonsite in an auxiliary manner by adopting an adjustable multiple design concept, so that the steel member splicing accuracy is improved. The tool is suitable for steel members of different dimensionsby adopting the adjustable clamping device, so that the utilization ratio and the working efficiency of the tool are improved.

The invention relates to the field of part processing and particularly discloses a plate cutting device. The plate cutting device comprises a machine table and cutters, and further comprises a rotating conveying wheel and a limiting mechanism for limiting plates. The conveying wheel is rotationally installed on the machine table and is in contact with the plates. The machine table is provided witha plurality of cutter holes allowing the cutters to penetrate through, and the distances between the cutter holes and the limiting mechanism are different. The cutting device in the scheme can perform accurate cutting on the plates.

The invention discloses a high-efficient fixed-distance pipeline drilling machine convenient for pipelines to use. The high-efficient fixed-distance pipeline drilling machine convenient for the pipelines to use comprises a base, wherein support pillars are fixedly arranged on the periphery of the lower surface of the base; universal wheels are connected to the periphery of the lower surface of thebase through the support pillars, so that the base can conveniently move; a screw rod and a guiding rod are arranged on the inner sides of the upper parts of a first fixing plate and a second fixingplate, so that a motor can conveniently move through a positioning sleeve and a guiding sleeve; a graduated scale is engraved on the guiding rod, so that the motor can move conveniently at the fixed distance, and the drilling space of a steel pipe can be conveniently and accurately controlled; electric push rods are fixedly arranged on the periphery of the upper surface of the base, so that the up-and-down height of a placement plate can be conveniently adjusted, so that the motor drives a reamer punch to drill the steel pipe; and pressing plates are in threaded connection to two sides of theupper part of the placement plate through screws, so that the steel pipe can be conveniently limited and fixed to the inner side of a positioning groove, and the position is not easy to deviate when the steel pipe is drilled.

The invention relates to trimming equipment for non-woven fabric production. The trimming equipment comprises a main body, blades and a containing groove, wherein a ventilating fan is arranged on theinner wall on the top of the main body; a telescopic rod is arranged on the inner side of the main body; the blades are arranged at the right end of the telescopic rod, and a first bolt is arranged atthe inner sides of the blades in a penetrating way; a chute is fixed inside the main body; a slide block is arranged on the inner side of the chute; the containing groove is formed in the top of theslide block; a handle is fixed at the right end of the containing groove; rollers are movably arranged at the bottom of the main body; and a pressing plate is arranged on the inner side of the main body. The trimming equipment disclosed by the invention has the beneficial effects that due to the arrangement of the main body, the telescopic rod, the first bolt and the blades, the blades and the telescopic rod form a detachable structure by virtue of the first bolt, and when screwing operation is performed by the first bolt, the blades can be stabilized, so that the phenomenon that the blades are uneasy to offset when non-woven fabrics are trimmed by the device is avoided.

The invention discloses an automatic discharging machine. The automatic discharging machine comprises a machine frame and a support arranged above the machine frame, the machine frame is provided witha first conveying mechanism and a sliding driving part, wherein the first conveying mechanism is used for conveying materials to the support, and the sliding driving part is used for driving the support to slide along the material conveying direction of the first conveying mechanism on the machine frame; a telescopic mechanism extending outwards from the two sides of the machine frame is arrangedon the support, and the telescopic mechanism is provided with an induction detection assembly for detecting the stacking height of the materials so as to control the support to slide on the machine frame. According to the machine, the support is automatically controlled to automatically move on the machine frame, manual operation is not needed, so that a certain working load is relieved for workers; and meanwhile, the automation degree of the automatic discharging machine is improved.

The invention relates to the technical field of anti-falling of communication equipment, and discloses portable communication equipment with an anti-falling function, which comprises a shell, two sideplates are fixedly mounted in the shell, and at least two first buffer springs are fixedly mounted on the top wall of an inner cavity of the shell. According to the portable communication equipment with the anti-falling function, the communication equipment body is placed on the inner wall of the shell; during placement, the top of the communication equipment body is pushed onto the pressing plate; when the pressing plate is under pressure, the upward pressure is transmitted to the first buffer spring, and at the moment, the first buffer spring starts to contract; the bottom of the communication equipment body is pressed on the rubber plate, the communication equipment body starts to restore through deformation force of the first buffer spring, the two sides of the communication equipmentbody are stressed to be fixed up and down at the moment, the communication equipment body is not prone to deviating through the large resistance of the rubber plate, and the purpose of a good anti-falling effect is achieved.

The invention discloses a landscape plant climbing device for a science and technology park. The landscape plant climbing device comprises a base. A fixing bar is fixedly connected to the top of the base; fixing nails are fixedly connected to the bottom of the base; screws are movably hinged to the middle of the surface of the fixing bar through connectors; a threaded sleeve is in threaded connection with the end, far away from the fixing bar, of each screw; one end of each threaded sleeve is movably connected with a connection bar through a bearing; the end, far away from the corresponding threaded sleeve, of each connection bar is fixedly connected with a fixing jaw; cross beams are fixedly and symmetrically connected to the left and right sides of the top of the fixing bar. The landscape plant climbing device has the advantages that the fixing nails and the fixing jaws can be inserted into the ground during supporting such that the landscape plant climbing device rarely moves duringsupporting; the base can be mounted fixedly through mounting through holes; the screws can be extended inside the threaded sleeves by rotating the threaded sleeves, reinforcement for supporting of the fixing bar can be facilitated, and stability of the landscape plant climbing device is guaranteed.

The invention discloses a clamping device. The clamping device is characterized by comprising a main shaft and a chuck fixed to the main shaft; a stop block used for making contact with the end portion of a part is fixed to the chuck; a pull rod is connected to the main shaft in a sliding manner; a clamping head is connected to the chuck; the clamping head comprises a connecting pipe and three elastic blocks which are evenly distributed in the axial direction of the connecting pipe and used for making contact with the outer wall of the part, wherein the connecting pipe and the three elastic blocks are fixedly connected. The ends, back to the connecting pipe, of the elastic blocks incline in the direction away from the stop block, the pull rod is in threaded connection with the connecting pipe, and the sides, back to the part, of the three elastic blocks are in contact with the chuck. In addition, the invention discloses a core passing machine comprising the above clamping device, and the problem that the surface of a part is prone to damage when an existing clamping device is used is solved.

The invention discloses a trademark retrieval device based on feature comparison of a graph and a character. The trademark retrieval device comprises supporting legs, a working table is fixedly arranged above the supporting legs, a winding roller is arranged on the inner side of a first supporting rod so as to facilitate cooperation with a trademark pulling roll through the willing roller for winding a trademark roll, a unwinding roller is arranged on the inner side of a second supporting rod so as to facilitate unwinding usage of the trademark roll, positioning columns are inserted into cavities formed in the two ends of the winding roller and the unwinding roller, so that the positioning columns are made to be inserted into positioning grooves under cooperation of springs and chucks, thetrademark roll and the trademark pulling roll can be conveniently installed, the upper surfaces of positioning plates are provided with universal ball bearings, so that the trademark roll and the trademark pulling roll operate smoothly under the action of the universal ball bearings, the trademark roll can be more rapidly detected, limiting plates are fixedly arranged on the two sides of the upper surface of each positioning plate, the position of the trademark roll is not easy to deviate, and the detection efficiency of the trademark roll is improved.

The metal steel surface treatment device comprises a workbench, supporting legs are fixedly connected to the periphery of the bottom of the workbench, universal wheels are arranged at the bottom ends of the supporting legs, transmission rollers are rotationally connected to the two ends of the inner side of the workbench, and a conveying belt is in transmission connection to the transmission rollers; a first motor is fixedly connected to the right side of the front wall of the workbench, the first motor is connected with the front portion of a right side transmission roller, metal steel is placed on a conveying belt, a waste collecting box is attached to the right wall of a right side supporting leg, positioning plates are fixedly connected to the front portion and the rear portion of the left wall of the waste collecting box correspondingly, and the positioning plates are inserted into the right wall of the right side supporting leg. And pin rods are inserted into the supporting leg on the right side and the positioning plate, so that the metal steel can be better ground, and meanwhile, sundries such as waste materials generated by grinding the metal steel can be cleaned.