41results about How to "Guaranteed parallel state" patented technology

The invention discloses a solid rocket motor powder column fixing device, which is used for fixing the radial stability of the combustion powder column on the entire surface of the engine. The engine grain fixing device includes a positioning sleeve, an elastic retaining ring and a gasket. The positioning sleeve has a thin circular structure and is designed with replaceable parts. The positioning sleeves of different sizes are matched according to the diameter of the rocket engine charge. A plurality of elastic retaining rings are evenly distributed along the circumferential direction of the positioning sleeve to ensure the stability of the charging axis. Arc-shaped gaskets are installed at the end of the circlip inside the positioning sleeve, and multiple groups of circlip gaskets have equal radial distances according to the center of the positioning sleeve, which can reduce the destructiveness of the charge due to stress concentration. The positioning sleeve, the retaining ring and the gasket are all processed by the same type of high-temperature-resistant metal material; during the combustion process, the parallel state of the axis of the free-filling full-surface combustion charge is guaranteed, and the pressure and thrust of the small engine on the ground are tested more accurately test.

The invention relates to a three-linkage lifting locating device for lifting and locating a tea table. The three-linkage lifting locating device comprises a fixed disc; the lower end of the fixed disc is provided with three pairs of connection columns; a Y-shaped fixing sheet is welded to the lower ends of the three pairs of connection columns; the middle of the Y-shaped fixing sheet is connected with a central shaft; the central shaft is connected with the fixed disc through a bearing; a central gear is arranged on the central shaft through a key; a firs ball bearing is arranged in the middle of the Y-shaped fixing sheet; a driving shaft is arranged on the first ball bearing; the top end of the driving shaft is connected with the fixed disc through a bearing; a driving gear is arranged in the middle of the driving shaft through a key; the Y-shaped fixing sheet is evenly provided with three locating mechanisms; the top ends of the three locating mechanisms are connected with a movably disc; the middle of the movable disc is connected with the central shaft in a clearance fit mode. The three-linkage lifting locating device for lifting and locating the tea table can achieve lifting and locating functions with high precision, and has the advantages of being simple in structure, easy and convenient to operate, good in balance performance and height locating performance in the movement process, high in working efficiency and the like.

The invention relates to a roller pelletizer for sludge ceramsite granulation and belongs to the technical field of pelletizing equipment. In order to solve the problems of low efficiency and high energy consumption at present, the invention provides the roller pelletizer for sludge ceramsite granulation. The roller pelletizer comprises a frame, a driving mechanism, a driving roller and a driven roller, wherein the driving roller is arranged on the frame in a rotatable form through a first rotating shaft; the driven roller is arranged on the frame in the rotatable form through a second rotating shaft; the driving roller and the driven roller are horizontally arranged; a plurality of through holes are formed along the circumferential directions of the roller walls of the driving roller andthe driven roller; the driving mechanism is capable of driving the first rotating shaft to drive the driving roller to rotate; a flywheel is fixed on the second rotating shaft of the driven roller; the flywheel is located on the outer side of the driven roller. The through holes and the flywheel are arranged, so that the overload damage of the power source, such as a motor, in the driving mechanism can be avoided, the energy-saving effect can be achieved, the sludge ceramsite can be prevented from attaching to the through holes, the pelletizing efficiency is increased and the performance of quickly pelletizing can be realized.

The invention discloses a quick positioning measuring device for a three-coordinate fixture. The quick positioning measuring device comprises a measuring platform, a multi-threaded-hole protective bottom plate, the part fixture, a measuring machine, positioning pin pressing columns, a quick elastic clamp and a measuring fixture quickly-adjustable device. The positioning pin pressing columns and the quick elastic clamp lock and position the part fixture through a three-point layout. The measuring fixture quickly-adjustable device is of a long-strip-shaped structure arranged on the side face ofthe bottom plate of the part fixture, one end of the measuring fixture quickly-adjustable device is fixedly connected with the bottom plate of the part fixture, and the other end of the measuring fixture quickly-adjustable device is provided with a relative position fine adjusting part of the bottom plate of the part fixture; and the side face of the middle, back onto the bottom plate, between thetwo ends is attached to one of the three-point-type positioning pin pressing columns in an abutting mode, and thus fine adjusting of the relative position fine adjusting part obtains support reverseforce from the positioning pin pressing column to push the bottom plate to move so as to adjust the parallel states of a to-be-measured part and the part fixture relative to the measuring machine. Through structural simplification and optimization, the rough adjusting and fine adjusting precision is high.

The invention relates to a damping wall with pressure-bearing and sliding features. The damping wall with the pressure-bearing and sliding features is installed on a base of mechanical equipment, on a supporting seat of a steel truss girder and between an upper floor beam and a lower floor beam of a building. The damping wall comprises an inner shear plate assembly, a lower damping groove assembly and a sliding friction assembly; the sliding friction assembly comprises sliding friction structures and positioning sliding friction structures, wherein the sliding friction structures are located between the inner shear plate assembly and the lower damping groove assembly; the shear plate assembly comprises inner shearing damping plates; the lower damping groove assembly comprises damping grooves, damping groove outer plates and a damping groove inner plate; the inner shearing damping plate is inserted into the damping grooves; viscous damping liquid is poured into each damping groove; and the positioning sliding friction structures are installed between the inner shearing damping plates and the damping groove outer plates and between the inner shearing damping plates and the damping groove inner plate. The damping wall provided by the invention provides damping, and meanwhile, a main body of the damping wall can bear the dead weight of the structure and a certain vertical load, and when relative sliding occurs, friction coefficient of a pressure-bearing plane is small.

The invention relates to a CT coplanar puncture template provided with identifier guiding devices. The CT coplanar puncture template comprises a plate body, puncture needle holes, marking lines and lead wires, wherein the puncture needle holes are uniformly distributed in the plate body in rows and columns; the marking lines are arranged on the portions, positioned between any two rows of puncture needle holes and positioned between any two lines of puncture needle holes, of the surface of the plate body; the lead wires are embedded in portions, right below the marking lines, of the plate body; and the lead wires are consistent with the marking lines in length and are parallel with the marking lines. According to the coplanar puncture template provided with the identifier guiding devices, puncture directions of puncture needles can be precisely guided, the template can be placed in accordance with the position and size of a focus before an operation so as to avoid dangerous organs around the focus, the puncture needles can be precisely inserted, and by virtue of the template, the various puncture needles can be kept under a parallel state. The CT coplanar puncture template can shorten an operation time, reduce operation risks and reduce operation difficulty. The template is provided with the guiding lead wires as the puncture needle guiding devices, so that a doctor can intuitively predict moving trends of the puncture needles before inserting the puncture needles, and therefore CT scanning times and puncture difficulty are further reduced.

The invention discloses welding equipment for processing a rail damping backing plate. The welding equipment for processing the rail damping backing plate comprises a conveying belt, wherein an inverted U-shaped plate is fixedly arranged in the conveying belt; the width of the inverted U-shaped plate is larger than that of the conveying belt, and a transverse plate is horizontally arranged on theupper side of the conveying belt; two electric telescopic rods are symmetrically arranged on two sides of the conveying belt; one end of each electric telescopic rod is fixedly connected with the transverse plate, and the other end of each electric telescopic rod is fixedly connected with the inverted U-shaped plate; a welding gun is arranged on the lower side of the transverse plate, and is fixedly connected with the transverse plate through a horizontal moving mechanism; a carrying plate is fixedly arranged on the conveying belt; a first fixing mechanism and a second fixing mechanism are arranged on the carrying plate; and a welding groove is formed between the first fixing mechanism and the second fixing mechanism. The welding equipment can be used for processing the rail damping backing plate, strip-shaped pieces or parts can be stably welded to the edge of a plate-shaped main body, uniform welding is achieved, and the effect is good.

The invention discloses an unmanned aerial vehicle carried high-altitude cable foreign matter cleaning device which comprises a hanging bracket and clamping arms symmetrically arranged on the two sides of the hanging bracket, and an unmanned aerial vehicle is connected with a hanging ring through a connecting piece. U-shaped grooves are formed in the middle of the hanging bracket, and the clampingarms on the two sides are connected through torsional springs. A first clamping block is hinged to the lower end of the left clamping arm, and a second clamping block is hinged to the lower end of the right clamping arm; one end of the top plate is rotatably connected with the first through groove, a clamping groove is formed in the other end of the top plate, a clamping rod is arranged in the first through groove in the right side, and the clamping groove is clamped to the clamping rod when the clamping arms are unfolded. The device is hoisted and landed on the cable by using the unmanned aerial vehicle, one end of the top plate is separated from the clamping rod of the clamping arm under the action of the supporting force of the cable, the clamping arm is contracted under the action ofthe elastic force of the torsional spring, and the first clamping block and the second clamping block clamp and clean foreign matters on the cable, so that the labor intensity of operators is reduced,and the foreign matter cleaning efficiency is improved; and the cable is prevented from being damaged during foreign matter cleaning.

The invention discloses a concealed integrated stove for stoves and an installation method thereof. The stove comprises a body, wherein the bottom of the body is provided with a cabinet, the top of the cabinet is provided with a stovetop, the top of the stovetop is provided with a stove, the top of the cabinet is provided with an installation cavity that is internally equipped with a lifting device, the lifting device controls the stove to lift on the stovetop, the back of the cabinet is equipped with a suction box, the back of the top of the stovetop is equipped with an air inlet box that usconnected to the suction box, a rotating assembly is provided between the air inlet box and the stovetop, the rotating assembly and the air inlet box are connected with the suction box, the rotating assembly controls the rotation of the air inlet box, and the air inlet box matches the stovetop. The method comprises the following steps of a, preparation before installation; b, installation of the lifting device; c, installation of the stovetop; and d, installation of the air inlet box and rotating assembly. The invention greatly increases the space utilization of the kitchen, facilitates the cleaning of the kitchen wall, avoids the accumulation of oil stains on the wall, and eliminates hidden safety hazards caused thereby.

The invention discloses insertion fin assembly equipment of a radiator shell applied to a 5G base station and relates to the technical field of communications. The insertion fin assembly equipment comprises a rack, a base body, insertion fins, a conveying mechanism, an installation mechanism and a limiting mechanism. According to the equipment disclosed by the invention, a split-type processing technology is used, and a phenomenon that a product yield is reduced due to height changes in an integral die-casting formation technology is avoided; cooling time is greatly shortened; a box body is disposed at the middle of the rack, and the limiting mechanism is disposed on the box body, and the base body and the insertion fins are laminated in the area, so that semi-automatization of the equipment is realized, and processing efficiency is increased; top cutters are disposed in the installation mechanism, and form two sets of V-shaped blades which are symmetrically distributed, so that the thickness of each insertion fin is thin enough, and thus a configuration quantity significantly increases within a certain formation scope, and better heat dissipation effects are realized; and reeds and limiting bolts are disposed on the top cutters, so that structural strength and the heat dissipation effects of the product are further ensured.

The invention provides a multifunctional integrated ship stern support device. The device includes a centering ring, an outer rigid shock absorbing layer, an elastomer, an inner rigid shock absorbinglayer and a limiter; the centering ring is connected with a hub through an end flange, the outer rigid shock absorbing layer and the inner rigid shock absorbing layer are fixedly connected with the centering ring and a bearing respectively, and the middle of the inner rigid shock absorbing layer is a spherical bulge. The elastomer is arranged between the inner rigid shock absorbing layer bulge andthe outer rigid shock absorbing layer, the limiter is fixed at the end of the outer rigid shock absorbing layer, the bottom of the limiter is a certain distance away from the surface of the internalrigid shock absorbing layer so as to limit relative motion between the internal rigid shock absorbing layer and the external rigid shock absorbing layer under the abnormal transient work condition. The device can solve the unbalanced load problem of an existing ship stern bearing in the dynamic use environment and meanwhile has the dynamic vibration reduction function and the limiting function under the abnormal working condition.

The invention discloses a vertical cutting device for road and bridge construction, and relates to the technical field of engineering machinery. The vertical cutting device can solve the problems thatan existing cutting device is generally fixed in height, parts need to be placed on the cutting device to be machined in use, large parts are difficult to carry, consequently, the existing cutting device is not convenient to use, meanwhile, the turning angle of a cutter of the cutting device is small in use, and a complex structure is not convenient to cut. The vertical cutting device comprises acutting machine main body, wherein the lower part of the front end face of the cutting machine main body is rotationally connected with a lifting driving piece, and the upper part of the cutting machine main body is rotationally connected with a storage plate. The vertical cutting device has the advantages that the lifting is convenient, workpieces with different heights can be conveniently machined without being carried, the operation is simple, the support is stable, the applicability is high, the rotation angle of a cutting part is larger, meanwhile, a cutter groove can be parallel to thecutting part all the time, consequently, the workpieces are convenient to cut, the cutting rotation angles are large, and the vertical cutting device is more flexible and convenient to use.

The invention belongs to the technical field of ships, and particularly relates to a ship anti-collision device. The ship anti-collision device is characterized in that the ship anti-collision devicecomprises a bottom plate, the bottom plate is fixedly connected with a hull through a bolt hole, a fastening bolt is arranged in the bolt hole, the bottom plate is connected with a mounting plate through a plurality of airbags, the end, away from the bottom plate, of the mounting plate is fixedly connected with a force unloading plate, the force unloading plate is fixedly connected with an arc-shaped rubber plate through a binding layer, a buffering layer is arranged between the bottom plate and the hull and made of rubber, one ends of the airbags are fixedly connected with the bottom plate, the other ends of the airbags are fixedly connected with the mounting plate, the mounting plate is fixedly connected with the force unloading plate through a bolt, the bottom plate is provided with a plurality of guiding columns, the mounting plate is provided with guiding column holes, the guiding columns penetrate through the guiding column holes, the airbags supply air through an external air pump, the upper surface of the arc-shaped rubber plate is an arc surface, and the lower surface of the arc-shaped rubber plate is a flat surface. According to the ship anti-collision device, the damageto the ships during collision can be reduced.

The invention discloses an automobile running direction control device capable of receiving power during running and an automobile, wherein the automobile running direction control device comprises aside deflection swing arm mechanism, wherein the side deflection swing arm mechanism comprises a main force transmission arm, an active telescopic slave force transmission arm with controllable extension length and a lifting driving mechanism for driving the main force transmission arm to move up and down; one end of the active telescopic slave force transmission arm is hinged with the main forcetransmission arm; a guide block is arranged at the end part of the main force transmission arm; a guide clamping groove is arranged on the guide block and is in sliding fit with a guide rail; the automobile running direction is limited through sliding of the guide block along the guide rail; and an anode collector and a cathode collector are arranged on the guide block. According to the invention,the guide block moves along the guide rail to guide the running direction of the automobile, so that the automobile is changed from the prior trackless running to the combination of trackless runningand track running, the problem that the running stability is influenced by arranging the deflection power receiving device on the automobile is solved, and the technical problem that a driver is required to control the running direction of the prior automobile is solved.

The invention provides an anti-torsion threaded steel roller assembly, and belongs to the field of rolling mills. The anti-torsion threaded steel roller assembly comprises a roller pair, a torsion detection device and a water tank, wherein the roller pair is fixed on a base; a fixing rack of one roller is provided with a rotating shaft and is further connected with the water tank through a push rod; the torsion detection device is arranged behind the roller pair and comprises two detection wheels which are clamped oppositely; semicircular grooves are formed in the detection wheels along the circumference; the pass and position formed after the two detection wheels are clamped oppositely are the same as those of the roller pair; a detection pull rod is hinged to the side surface of each detection wheel; the detection pull rods are connected with the water tank; the water tank is provided with a water inlet valve and a water outlet valve; the water inlet valve and the water outlet valveare connected through a connecting rod; the opening and closing directions of the water inlet valve and the water outlet valve are opposite through linkage of the connecting rod; the middle of the connecting rod is connected with the detection pull rods; a piston is further arranged inside the water tank; and the piston is connected with the push rod. According to the anti-torsion threaded steel roller assembly, a cooling water system of an original rolling mill is used as power, the angle of the roller is automatically adjusted, the parallelism is guaranteed, and the torsion of the threaded steel is prevented.

The invention discloses a convenient-to-adjust incision expansion support for general surgery department operation, and relates to the technical field of general surgery department operation tools. A first support rod and a second support rod; a first universal rotating head; the direction fine adjustment assembly comprises a base connected with the first universal rotating head, the outer side of the base is connected with a supporting plate through a second universal rotating head, annular sliding grooves are formed in the base and the supporting plate, sliding blocks are arranged in the two sliding grooves in a sliding mode, and first screw rods are hinged to one sides of the sliding blocks arranged in the supporting plate; a threaded cylinder is rotationally arranged on one side of the other sliding block, and the end of the first screw extends into the threaded cylinder and is in threaded connection with the threaded cylinder; the first sliding rod is provided with a distance fine adjustment assembly, and an expansion assembly is arranged between the first sliding rod and the second sliding rod in a sliding mode. When the position of the expansion assembly is adjusted, the general position of the expansion assembly is adjusted through the first universal rotating head, then the precise position of the expansion assembly is adjusted through the fine adjustment assembly, and follow-up operation is facilitated.

The invention proposes a welding machine for forming and processing cable trays, which relates to the field of welding processing technology, and includes a placing frame, a clamping device and a welding device. The upper end of the placing frame is provided with a clamping device, and the placing frame is provided with a welding device. The top of the clamping device, in addition the present invention can solve the following problems: a. The existing cable tray forming welding machine has poor clamping stability to the main bridge and the barrier plate, which easily causes the main bridge and the barrier plate to be blocked in the welding process The board is in an inclined state. b. During the forming process of the existing cable tray, there will be unevenness between the main bridge frame and the front and rear ends of the barrier plate, so the processed products will affect the subsequent use, and the existing cable tray molding processing efficiency is slow, not good It can realize fast welding in the form of assembly line.

The invention relates to the technical field of diamond production, and discloses a diamond production equipment monitoring device which comprises supporting columns, a monitoring room, a dust collection chamber, a transverse plate and a discharging opening. There are two supporting columns, the monitoring room is transversely arranged above the position between the two supporting columns, the two supporting columns are the same in height, a bottom plate is fixed to the bottoms of the supporting columns, and two sleeves are welded and fixed to the upper surfaces of the two sides of the monitoring room correspondingly; the sleeves at the front end and the rear end of the monitoring room are slidably arranged on the outer rings of the supporting columns at the front end and the rear end of the monitoring room in a sleeving mode respectively, and bolts are screwed and fixed to the outer rings of the sleeves. A plurality of spotlights capable of moving left and right are installed in the monitoring room, the spotlights irradiate in the inclined direction, after the monitoring room is fixed to the upper portion of the transmission belt, light rays are continuously irradiated to a drill mine, existing diamond particles can reflect the light rays and are detected by a photosensitive sensor, the monitoring purpose is achieved, and compared with manual troubleshooting, missing selection can be effectively avoided, and the labor cost is reduced.

The invention discloses a deformable wood board combining machine scraping structure adopting overlapped magnetic positioning. The deformable wood board combining machine scraping structure comprisesa workpiece, four air cylinders, four installing plates, a platform, a main guide rail and a scraper; the four air cylinders are installed on the surfaces of the installing plates; and the four installing plates are installed on the left side and the right side of the platform separately. According to the deformable wood board combining machine scraping structure adopting overlapped magnetic positioning, after glue is dried, the scraper moves on the main guide rail through a translation device and then is aligned with the combination line position, a parallel scraping frame is dragged by reverse pulling strips to stretch to the combination line end position, and then a deformation shovel frame conducts scraping; a movable sliding rod drives a one-way shovel plate to be attached to the surface of a wood board in parallel, the reverse pulling strips reset and are wound to drive deformation shovel frame to reset to the position of the translation device, and dry glue is scraped off in thetranslation process; and in the overall using process, the manual labor is saved, the condition that the surface of the wood board is scratched can be avoided, and the convenience is high.

The invention discloses a synchronous control system for a longitudinal beam hydraulic machine. The synchronous control system comprises a machine body of the hydraulic machine, a beam, a worktable and a sliding block, wherein a plurality of groups of master cylinders connected with the sliding block are inserted into the beam; a power mechanism is arranged above the beam; the power mechanism comprises a variable oil pump motor assembly and a proportional servo oil pump motor assembly; the sliding block is a flexible beam; the variable oil pump motor assembly controls corresponding one or theplurality of groups of master cylinders according to the pressing lengths and the pressing positions of workpieces; the machine body is provided with a position detecting mechanism which induces displacement information of a plurality of positions on the sliding block corresponding to the worktable; and the proportional servo oil pump motor assembly provides compensation oil pressure for one or the plurality of groups of master cylinders corresponding to the position needing compensating power on the sliding block according to displacement signals of the plurality of positions on the sliding block. The improved system can set corresponding pressing ways according to different pressing lengths and pressing positions, ensures synchronous pressing and return trips of the sliding block, and improves the unbalance loading resistance of the hydraulic machine and the pressing quality of products.

The invention discloses a riveting machine for eyelets of a hand bag. The riveting machine structurally comprises a case, a driving box, push rods and a workbench. The driving box is horizontally installed above the front end of the case and mechanically connected with the case, the push rods are embedded in the inner side of the driving box and movably connected with the driving box, and the workbench is arranged at the front end of the case and located below the push rods. The workbench comprises connecting frames, a base, a containing table and guide structures, the base is horizontally installed between the connecting frames and welded to the connecting frames, the containing table is vertically installed at the upper end of the base and mechanically connected with the base, and the guide structures are arranged on the two sides of the base and fixedly connected with the base. By means of the riveting machine for the eyelets of the hand bag, the containing table is arranged at theupper end of the base, and the inner sides of the eyelets are perforated while eyelet riveting of the hand bag is facilitated, so that the fastening degree of the eyelets is prevented from being influenced by later perforation; and the guide structures are arranged on the two sides of the containing table to ensure that the hand bag is kept in a parallel state, riveting of the eyelets is relatively perpendicular to the hand bag, riveting is tighter, and gaps formed between the eyelets and the hand bag are reduced.

The invention belongs to the technical field of ships, and particularly relates to a high-energy anti-collision device for a ship. The high-energy anti-collision device is characterized in that the high-energy anti-collision device comprises a bottom plate, the bottom plate is fixedly connected with a hull through a bolt hole, a fastening bolt is arranged in the bolt hole, the bottom plate is connected with a mounting plate through a plurality of airbags, the end, away from the bottom plate, of the mounting plate is fixedly connected with a force unloading plate, the force unloading plate is fixedly connected with an arc-shaped rubber plate through a binding layer, a buffering layer is arranged between the bottom plate and the hull and made of rubber, one ends of the airbags are fixedly connected with the bottom plate, the other ends of the airbags are fixedly connected with the mounting plate, the mounting plate is fixedly connected with the force unloading plate through a bolt, the bottom plate is provided with a plurality of guiding columns, the mounting plate is provided with guiding column holes, the guiding columns penetrate through the guiding column holes, the airbags supply air through an external air pump, the upper surface of the arc-shaped rubber plate is an arc surface, and the lower surface of the arc-shaped rubber plate is a flat surface. According to the high-energy anti-collision device, the damage to the ship during collision can be reduced.