24results about How to "Prevent excessive displacement" patented technology

The invention relates to the technical field of steel bar machining and shearing equipment, and discloses a lifting roller bed before cold shearing, which comprises a bottom frame, a comb plate assembly and a plurality of groups of lifting roller bed assemblies, the comb plate assembly is installed on the upper end face of the bottom frame and comprises a plurality of comb tooth parts, and a first gap used for lifting of the lifting roller way assembly is formed between every two adjacent comb tooth parts. The lifting roller way assemblies are arranged on the bottom frame at intervals and correspond to the first gaps in a one-to-one mode, and each lifting rail assembly comprises a roller way, a bearing seat, a driving mechanism and a lifting mechanism. The two ends of the roller way 3 are arranged on the bottom frame in a liftable mode through bearing seats, the roller way protrudes out of the first gap so as to make contact with steel on the comb plate assembly, the driving mechanism is used for driving the roller way to rotate around the axis of the roller way, and the lifting mechanism is used for driving the bearing seats to ascend and descend so as to adjust the height of the roller way. The high-low position of the single-set roller way can be independently adjusted, the height of the roller way can be adjusted in time according to different steel incoming conditions, and it is guaranteed that steel smoothly runs on the roller way.

The invention discloses a three-way shock insulation support for outdoor substation strut equipment. The device is characterized in that the rod core is fixedly connected to the check block, two horizontal springs are arranged at the two ends of the rod core, a force transmission sleeve is arranged in the middle of the rod core, and outer sleeves are arranged on the outer sides of the force transmission sleeve and the horizontal springs. A hole is formed in the upper side of the force transmission sleeve and connected with the force transmission rod in a riveted mode, and a horizontal hole is formed over the outer sleeve. The bottom plate is of a locally-hollowed X-shaped structure, the center of the bottom plate is a circular steel plate, the friction ring is installed above the bottom plate, and check blocks are arranged at the four corners of the bottom plate. The bottom face of the sliding unit is fixedly connected with the friction ring, the middle plate and the sliding unit are welded through a sliding unit top plate, the dowel bar penetrates through the sliding unit, eight vertical restraining rods are arranged on the periphery of the middle plate, and the vertical restraining rods are welded to the middle plate through base plates below the vertical restraining rods. Vertical springs are arranged on the outer sides of the vertical restraining rods, and top plates are arranged on the upper portions of the vertical springs. A vertical friction unit is arranged between the top plate and the vertical constraint rod and is composed of two semicircular clamps, the clamps are connected through screws, and friction plates are arranged in the semicircular clamps. The three-way shock insulation support is simple in structure, the total height of the three-way shock insulation support is two layers, the risk of derailment is avoided, and the three-way shock insulation support has good spring in-plane constraint and anti-overturning performance.

The utility model relates to the technical field of packaging machines, and discloses a packaging machine convenient to operate, which comprises a working table and a fixing frame, a first motor is fixedly connected to the side wall of the working table, a discharging roller is rotatably connected to the interior of the working table, materials are placed in the fixing frame, and a second motor is fixedly connected to the side wall of the working table. A hot melting bridle is arranged on the roller wall of the discharging roller in a surrounding mode, a guide groove is formed in the fixing frame in a surrounding mode, the hot melting bridle is arranged in the position, located in the guide groove, of the fixing frame in a surrounding mode, and a second motor is fixedly connected to the side wall of the fixing frame. The hot-melting bridle recycling package is arranged on the outer side of a material, an output shaft of the second motor rotates to drive the rotating shaft and the gear to rotate, the gear rotates to push the rack to move, the rack pushes the pressing block to be arranged at the overlapping position of the hot-melting bridle in a pressing mode, the hot-melting block is heated through the power source to conduct hot-melting bonding treatment on the hot-melting bridle, and the packaging effect is guaranteed.

The utility model discloses a cable, which belongs to the field of cables and comprises a core wire, a middle coating layer, a first shielding layer, a second shielding layer and a ground wire, the middle coating layer is coated outside the core wire, the first shielding layer is coated outside the middle coating layer, the second shielding layer is coated outside the first shielding layer, and the ground wire is positioned between the middle coating layer and the first shielding layer. According to the cable provided by the utility model, through the combined action of multiple layers of structures, the middle coating layer, the first shielding layer and the second shielding layer can be dispersed to each layer when bearing external bending stress, so that the stress concentration of the core wire is reduced, the probability of deformation of the core wire due to repeated bending is reduced, the characteristic impedance stability is maintained, the signal transmission is ensured, and the data transmission abnormity is reduced.

This utility model relates to the field of steam turbine technology and discloses a self-tightening internal hole gripping device, including a mandrel and a first positioning sleeve. The first positioning sleeve has a small-diameter end and a large-diameter end, and the small-diameter end and the large-diameter end are coaxially provided with through holes. The mandrel passes through the through holes of the small-diameter end and the large-diameter end in sequence, and the mandrel can move axially relative to the first positioning sleeve. One end of the mandrel is connected to a lifting ring, and the other end is connected to a truncated cone with a radius that gradually increases from left to right. The radius of the through hole at the large-diameter end is larger than the maximum radius of the truncated cone, and the radius of the through hole at the small-diameter end matches the radius of the mandrel. At least two equidistant movable parts are slidably installed on the large-diameter end. One end of the movable part is located inside the first positioning sleeve, and the end is an arc-shaped structure that matches the side wall of the truncated cone. The other end is located outside the first positioning sleeve. When the mandrel moves axially towards the lifting ring, the truncated cone pushes the movable parts to move outward of the first positioning sleeve. This utility model is beneficial for reducing labor intensity and safety risks, as well as improving installation accuracy.

The utility model discloses a monitor for golf real-time remote positioning, which comprises a monitoring camera body, the surface of the monitoring camera body is sleeved with a shell, the shell can slide back and forth on the surface of the monitoring camera body, the two sides of the shell are fixedly connected with supports, and the supports are fixedly connected with the monitoring camera body. The side, away from the shell, of the support extends to the bottom of the monitoring camera body and is fixedly connected with a sleeve plate, the bottom of the monitoring camera body is movably connected with a transmission rod through a bearing, the surface of the transmission rod is fixedly connected with a rotating wheel, and the bottom of the rotating wheel is fixedly connected with a sliding rod located in the sleeve plate. And the sliding rod is in sliding connection with the sleeve plate. According to the utility model, the housing slides back and forth on the surface of the monitoring camera body, the amount of light entering the camera is directly controlled, the housing moves forward to enlarge the shading area, overexposure or identification interference caused by direct sunlight is avoided, the housing moves backward to reduce the shading range, the amount of light entering is increased, and the imaging quality in a low-light environment is improved.

The utility model discloses a heavy load hanger for cable bridge, including support rod, the support rod between being connected with cross bar, the both ends of cross bar are installed with switch mechanism, the support rod is equipped with the connecting rod, the bottom of connecting rod is installed with fixed plate, install the buffer mechanism on the mounting bracket, open the rectangular mounting hole on the mounting bracket, the rectangular mounting hole is slidably connected with the fixed frame, the both sides of support rod are installed with auxiliary mechanism. The utility model discloses a heavy load hanger for cable bridge, buffer mechanism adopts the combination design of limit seat no.

The invention provides a high-speed food refrigerator which comprises an L-shaped outer shell, a refrigeration bin is arranged on the outer shell, a storage frame corresponding to the refrigeration bin is arranged above the refrigeration bin, one side of the storage frame is connected with a lifting structure arranged in the outer shell, the upper portion of the storage frame is connected with a stirring structure connected with the lifting structure, and the stirring structure is connected with the lifting structure. A plurality of uniformly distributed stirring fan blades are arranged at one end, far away from the stirring structure, of the storage frame, and the stirring structure comprises a crank connecting rod arranged above the outer shell; the problems that in the prior art, an object to be cooled and a heat conduction medium are relatively static, the temperature of the heat conduction medium (air, a metal carrier and the like) making contact with the object to be cooled gradually rises along with reduction of the temperature of the object to be cooled, and the temperature of the object to be cooled is too high are solved. The problems that the freezing speed and the production efficiency are relatively low, frozen food is inconvenient to take out by a food freezer, and the operation is inconvenient are solved.

The manhole correcting device comprises a fixing disc and a driving device which is arranged on one side of the fixing disc in a penetrating mode and provided with an output end, the output end is provided with a supporting part, the driving device is sleeved with a first sleeve, and a first transmission rod and a second transmission rod are rotationally arranged on the peripheral side of the first sleeve in an operable mode; the first transmission rod and the second transmission rod are oppositely arranged, the first transmission rod is movably provided with a first pull fork used for correcting a manhole, and the second transmission rod is movably provided with a second pull fork used for correcting the manhole. According to the device, the supporting part abuts against the outer side face of the flange edge of the manhole, the first pull fork and the second pull fork move to clamp the manhole, the driving device drives the output end to extend, and the first pull fork and the second pull fork pull the manhole, so that correction of the manhole is achieved, only one to two operators are needed for operation, operation is convenient, and time and labor are saved.

The utility model discloses a disc brake block structure with an easy-to-install component, which relates to the technical field of disc brake, and comprises a brake, the front side of the brake is provided with a dismounting mechanism used for realizing easy dismounting of the brake block, the dismounting mechanism comprises an insertion unit, a mounting seat, an insertion unit, a locking unit, a locking unit and a locking unit, and the insertion unit is arranged on the right side of the brake and comprises the mounting seat mounted on the right side of the brake; a sliding circular groove and a rectangular groove are slidably formed in the mounting base, a set of inserting columns are symmetrically slidably arranged in the rectangular groove, and the inserting columns are symmetrically slidably inserted into brake block connecting holes in one side of the mounting base, so that the brake blocks are rapidly disassembled and assembled. The driving unit is arranged in the mounting base and used for driving the inserting columns, the rotary knob drives the rotary disc to rotate, the linkage columns are driven to move through the arc grooves, the inserting columns synchronously move, the inserting columns are symmetrically inserted into the brake block connecting holes in a sliding mode, a traditional bolt fixing mode is replaced, and mounting can be completed without special tools.

The utility model discloses an aluminum alloy lamp cup convenient to install, which belongs to the field of lamp cups and is characterized by comprising an installation plate and a lamp cup body, the lamp cup body is integrally formed by a cup base and an umbrella-shaped lamp cup body, a first cavity and a second cavity are formed in the cup base and communicated, a vertical plate is installed in the second cavity, and the vertical plate is connected with the lamp cup body. A micro motor is installed in the first cavity, a first bevel gear is arranged at the output end of the micro motor, a first lead screw and a second lead screw are rotationally installed between the two vertical plates respectively, and a second bevel gear and a third bevel gear are fixed to one end of the first lead screw and one end of the second lead screw respectively and meshed with the first bevel gear. The first lead screw and the second lead screw are connected with a first fixing plate and a second fixing plate in a threaded mode, a round hole is formed in one surface of the installation plate, two rectangular grooves are formed in the installation plate, a limiting mechanism for limiting the first fixing plate and the second fixing plate is arranged on the upper surface of the second cavity, and the installation structure has the effect of being convenient to install.

The utility model provides a throwing toy convenient to store, which comprises a large target piece, a small target piece, a first limiting piece and a second target piece, wherein the bottom of the large target piece is concavely provided with a large accommodating groove, the top of the large target piece is circumferentially concavely provided with a first limiting groove, and the side wall is convexly provided with a plurality of first target parts; the bottom of the middle target piece is concavely provided with a middle containing groove, the top of the middle target piece is concavely provided with a second limiting groove in the circumferential direction, and the side wall is convexly provided with a plurality of second target parts; the bottom of the small target piece is concavely provided with a small accommodating groove, and the top is concavely provided with a small target area; a plurality of throwing pieces; in the storage state, the large target piece and the small target piece are placed upside down, the middle target piece is placed upside down, the small target piece is contained in the large containing groove, the middle target piece covers the outer side of the small target piece and is clamped in the large containing groove, and a containing cavity used for containing a plurality of throwing pieces is formed between the small containing groove and the middle containing groove. Therefore, all target pieces and throwing pieces are completely stored, the size of the throwing toy is reduced to the maximum extent when the throwing toy is not used or transported, storage is facilitated, and the transportation cost is saved.

The seat track support convenient to adjust is applied to the field of seat accessories and comprises two installation guide rails, the two installation guide rails are connected through a driving assembly, adjusting sliding grooves are formed in the upper surfaces of the two installation guide rails, and connecting assemblies are slidably connected into the two adjusting sliding grooves. Two output ends of the driving assembly extend into the mounting guide rail, the double-end motor can drive the two driving gears to rotate, and the driving gears drive the connecting assembly to displace, so that displacement adjustment in the horizontal direction is carried out on a seat mounted on the connecting assembly, and the seat is mounted on the mounting guide rail. The limiting guide plate is limited and supported through the arranged limiting connecting plate, the double-end motor is controlled through the external control switch, horizontal regulation and control of the seat can be completed, horizontal displacement of the seat can be completed through the arranged driving assembly, connecting assembly and limiting assembly, the needed cost is low, and economical efficiency is good.

This invention relates to the technical field of low-smoke halogen-free flexible busbar products, and discloses a low-smoke halogen-free flexible busbar including a busbar and an insulating sleeve. This low-smoke halogen-free flexible busbar utilizes a movable component. When a damaged insulating sleeve needs to be replaced, a sliding plate is operated to slide within a retaining sleeve. The sliding plate drives the insertion shaft to move, and the insertion shaft inserts into the interior of a limiting block. When the insertion shaft moves to a groove in the limiting block, a telescopic rod inside the movable shaft resets under the action of a fixed spring, causing the insertion rod to reset and be fixed inside the limiting block. This creates conditions for subsequent installation of a new insulating sleeve. When the insulating sleeve is damaged, it can be quickly replaced and re-fixed, preventing air, moisture, or dust from entering the busbar surface, avoiding problems such as reduced insulation resistance and partial discharge caused by external media corrosion, extending service life and improving replacement efficiency.

The utility model relates to the technical field of hard pipe clamping devices, in particular to a pipe diameter adjustable hard pipe clamp and a vehicle. A base of the hard pipe clamp comprises a supporting part, a first vertical plate and a second vertical plate, the top of the supporting part is concaved inwards to form a cylindrical-surface-shaped bearing area, and a hollowed-out groove is formed in the middle of the bearing area; the left clamping jaw extends towards the supporting part from the end, away from the supporting part, of the first vertical plate, and the right clamping jaw extends towards the supporting part from the end, away from the supporting part, of the second vertical plate. One end of the elastic cantilever is connected with the base, the other end of the elastic cantilever extends into the hollowed-out groove to form a free end, a bearing part is formed at the free end, and in a natural state, the bearing part protrudes out of the hollowed-out groove. The clamping jaw of the inverted-splayed structure is matched with the deformable design of the elastic cantilever, pipe diameter changes of the hard pipe within a certain range can be compatible, the bearing area and the elastic cantilever form a synergistic effect, the displacement path of the hard pipe can be limited and restrained, and excessive displacement of the hard pipe under the dynamic working conditions such as external force impact or vehicle body vibration is prevented.

The utility model discloses a folding knife fixing assembly. Comprising at least one supporting frame, at least one vertical moving device which is detachably arranged on the supporting frame in the vertical direction and provided with a sliding end, a mounting frame detachably arranged at the sliding end, a connecting block detachably arranged on the lower side of the mounting frame, and a fixed pressing block detachably arranged on the lower side of the connecting block. The fixing pressing block is provided with a limiting groove penetrating through the fixing pressing block in the transverse direction, two limiting plates are inserted into the limiting groove, the two limiting plates are symmetrically arranged at intervals, and the limiting plates are detachably connected with the fixing pressing block. The fixed pressing block in the fixed folding knife assembly can tightly press the flexible plate, the bent part of the flexible plate enters the position between the two limiting plates to be limited, excessive displacement of the flexible plate is prevented, the yield is improved, the bending effect is improved, and the assembling efficiency is improved.

The electromagnet internally provided with the buffering function comprises a supporting guide seat, a limiting clamping groove is formed in the position, close to the front portion, of the inner end face of the supporting guide seat, and positioning clamping plates are symmetrically arranged at the bottom of the side end face of the supporting guide seat. By arranging the buffer device, when the electromagnet is subjected to buffer protection, the front and rear groups of buffer spring shafts can firstly elastically buffer the protection chuck, the threaded rotating plate and the iron core, so that the protection chuck, the threaded rotating plate and the iron core are prevented from being in rigid contact with the sealing clamping plate or the electromagnet sleeve shell; and meanwhile, after the buffering spring shaft conducts elastic buffering, the buffering guide shaft can conduct rigid limiting on the protection chuck, the threaded rotating plate and the iron core, displacement of the protection chuck, the threaded rotating plate and the iron core is prevented from being over-limited, and the buffering protection performance of the interior and the exterior of the electromagnet can be effectively improved through the dual protection structure.

The utility model relates to line detection technical field discloses a kind of line flaw detection equipment, including workbench, the top of the workbench is fixedly connected with mounting bracket, the inside top of the mounting bracket is provided with detection mechanism, the detection mechanism is used to detect line, the top of the workbench is provided with conveying mechanism in front and back side, the conveying mechanism is used to convey line, the inside of the conveying mechanism is provided with clamping mechanism, the detection mechanism includes integrated board, the top of the integrated board is fixedly connected in the inside top of mounting bracket, the bottom of the integrated board is fixedly connected with telescopic link. In the utility model, high-definition camera, infrared scanner and energized needle are integrated by integrated board, so that optical detection and energized test are carried out synchronously, line surface flaw and electrical performance anomaly can be accurately identified simultaneously, detection efficiency and accuracy are improved, and high-precision comprehensive detection requirements are met.

The utility model discloses an anti-clogging EDI ultrapure water tank, which comprises a water tank, a dirt removing device, a driving device and a dirt scraping plate, and is characterized in that a water source is stored in the water tank, impurities in the water source are discharged through a dirt discharging opening, and an external filtering device is connected through a water discharging opening, so that the water source in the water tank is discharged; an external water pipe is connected through the water inlet, so that a water source is input into the water tank, the filter plate is lifted through the air cylinder, impurities in the water source are filtered and are reserved on the filter plate, the dirt scraping plate is driven by the driving device to move, and the impurities on the filter plate are swept to the left side of the partition plate and are discharged from the dirt outlet.

The utility model discloses an umbrella honeycomb structure to solve the problem that an existing umbrella honeycomb structure is inconvenient to open and close or poor in overall stability. The device comprises an upper honeycomb, an outer sleeve, an inner sleeve, a check ring and a spring, the upper honeycomb is installed at the top end of a middle rod of the umbrella, and the outer sleeve is arranged outside the inner sleeve in a sleeving mode and moves in the axial direction of the middle rod along with the inner sleeve; according to the honeycomb structure, the outer sleeve and the upper honeycomb can rapidly achieve the locking function through the clamping hole and the first guide inclined plane which are arranged on the first pull strip and the clamping block and the second guide inclined plane which are arranged on the upper honeycomb, meanwhile, the direction does not need to be distinguished during use, an umbrella can be easily opened and closed, and use is convenient and fast; according to the structural design of the middle rod, the outer diameters of the inner pipe, the middle pipe and the outer pipe are sequentially increased, and the overall supporting performance and stability of the umbrella are improved; the structural stability of the umbrella is enhanced through the check ring, the umbrella can be prevented from swinging in the using process, and the using safety and reliability of the umbrella are improved.

The utility model discloses a corrugated pipe expansion joint which comprises two sets of installation seats, a corrugated pipe is fixedly installed between the two sets of installation seats, a sleeve installation ring is fixedly installed on the inner side of the upper end of the corrugated pipe, and a sleeve is fixedly installed on the inner side of the sleeve installation ring. By means of the wear-resistant lining plates detachably installed on the inner side of the sleeve, the sleeve does not make direct contact with ore, the service life of the sleeve is prolonged, the wear-resistant lining plates are installed through the inside hexagonal bolts, when a certain wear-resistant lining plate is damaged, the wear-resistant lining plates can be independently replaced, operation is convenient, the corrugated pipe is protected through the rubber telescopic pipe arranged on the outer side of the corrugated pipe, and the service life of the sleeve is prolonged. According to the corrugated pipe expansion joint, the corrugated pipe can be prevented from being corroded and damaged, when the corrugated pipe expansion joint works, the two sets of mounting bases generate relative displacement, the two sets of mounting bases can be prevented from generating excessive displacement through the arranged first limiting plate and second limiting plate, and the corrugated pipe expansion joint is protected to a certain degree.

The utility model relates to electric smelting magnesium smelting equipment and automatic regulation control technical field, especially a balance of preventing electrode derailment of electric smelting magnesium furnace. The clamping wheel of the device is hinged in the clamping wheel controller through the swing type pivot support, and the spring card provides elastic tension and stroke limit for the clamping wheel, the fixed pulley is fixedly installed through the fixed pulley seat, the movable pulley is hung below the fixed pulley through the movable pulley seat, and the counterweight is hung at the bottom of the movable pulley seat, the lower end of the steel wire rope hangs the electrode, is turned after the electrode guide wheel steering and is wound on the steel wire rope reel, and then is guided through the clamping wheel and is wound into the pulley group formed by the fixed pulley and movable pulley downwards. The utility model solves the problem that the electrode steel wire rope of electric smelting magnesium furnace electrode often appears excessive displacement due to friction and running deviation of the steel wire rope winding and unwinding device or electrode movement causes electrode steel wire rope derailment, causes the economic problem of production interruption and equipment damage, realizes the accurate positioning of electrode operation.

The invention discloses a building construction anti-toppling scaffold which comprises a scaffold support, a rotatable safety hanging basket is installed between the two ends of the scaffold support, a grid frame is fixedly arranged between the inner walls of the two sides of the scaffold support, and a worker can climb into the safety hanging basket through a safety crawling ladder to conduct construction operation. If the scaffold accidentally topples over, the safety crawling ladder can be always perpendicular to the ground under the action of gravity, in the process, the inclined supporting plates incline synchronously, the adaptive concave blocks slide downwards along the T-shaped sliding grooves, and the supporting pins cross the multiple grooves till the supporting foot plates horizontally make contact with the ground. The anti-skid protrusions can guarantee that enough friction force exists between the supporting foot plate and the ground so as to prevent the scaffold from excessively displacing due to impact force after toppling over, the supporting pins abut against the straight faces of the grooves, the safety ladder stand can be prevented from being folded inwards, the whole scaffold forms a right-angle triangular structure, and the situation that the scaffold topples over completely is avoided.

The utility model provides a kind of electronic fence warning device for large goods transportation belongs to the technical field of transport safety, including bearing mechanism, including support frame, and the support post of fixed installation in the support frame top;Automatic dust removal mechanism, including cylinder, and the dust removal subassembly of setting in the cylinder outside;The dust removal subassembly includes the connecting rod of fixed installation in the cylinder outside.This utility model is rotated by wind force rotator using natural wind power drive cylinder, drive the cleaning brush strip on connecting rod continuous cleaning heat dissipation hole sleeve inner wall, the precise cooperation of limiting block and annular channel ensures that cleaning range is full coverage, limiting ring prevents excessive displacement simultaneously;The collaborative design of heat dissipation hole sleeve and ring is both guaranteeing heat dissipation efficiency, and providing guiding surface for cleaning action, can completely rely on wind power driven self-cleaning system, without additional energy consumption, modular design makes dust removal subassembly can be quickly replaced maintenance, to effectively solve the problem of heat dissipation hole blockage.