404 results about "Four-slide" patented technology

The invention discloses a part assembling and welding robot for a box-type steel component, relates to the technical field of welding of box-type steel components, and solves the technical problems that the operation is inconvenient and the assembling efficiency of the box-type steel component is easily influenced when a welding gun is manually held by hand to weld a partition plate between two webs. Comprising a walking frame moving in the length direction of webs, a combined welding mechanism is installed on the walking frame, and the combined welding mechanism is used for synchronously welding four gaps formed after a partition plate is attached to the two webs; the combined welding mechanism comprises a portal frame, a welding gun, sliding telescopic pieces, a lifting mechanism, a linkage mechanism and elastic telescopic pieces, the portal frame is installed on the top of the walking frame, and the four sliding telescopic pieces are all rotationally connected with the top of the portal frame. Four gaps formed after the partition plate and the two web plates are attached can be conveniently and synchronously welded, the welding speed is effectively increased, and therefore the overall assembling efficiency of the box type steel component is improved.

The invention relates to the technical field of steel structure welding, in particular to a steel structure welding robot convenient to position and a positioning method.The steel structure welding robot convenient to position comprises a base and a welding robot body and further comprises a positioning assembly; the positioning assembly comprises a moving component, a support, clamping seats, a contact seat, a sliding block and a transmission component, during use, a to-be-welded steel structure is placed between every two adjacent clamping seats, then the first motor is started to drive the two-way screw to rotate, the two-way screw drives the clamping seats on the upper side and the lower side to get close, and then the contact seat makes contact with the surface of the steel structure; at the moment, the contact seat stops moving, the clamping seat continues to move under the action of the two-way screw rod, so that the contact seat moves relative to the clamping seat, vertical movement of the clamping seat is converted into transverse movement of the sliding block through the transmission component, and therefore the sliding block can make contact with the front side and the rear side of the steel structure; at the moment, the upper and lower sides of the steel structure are clamped and positioned through the two clamping seats, and the front and rear sides are clamped and positioned through the four sliding blocks.

The utility model discloses a device for continuously sticking an adhesive tape on a sectional material, which relates to the technical field of sticking the adhesive tape on the top surface of the sectional material, and comprises a horizontal guide rail fixedly arranged between a left rack and a right rack, an automatic pasting mechanism used for tearing off release paper on the adhesive tape and pasting the adhesive tape on the sectional material is installed on the horizontal guide rail in a sliding mode. The automatic pasting mechanism comprises four sliding blocks installed on the horizontal guide rail in a sliding mode, a frame is fixedly connected between the top surfaces of the four sliding blocks, a vertical plate is fixedly arranged in the frame, a cylinder inclining leftwards is fixedly arranged on the front end face of the vertical plate, a spring A is fixedly connected between one end of a movable rod and the cylinder bottom of the cylinder, and a spring B is fixedly connected between the other end of the movable rod and the cylinder bottom of the cylinder. The other end of the movable rod extends out of the barrel, a supporting plate is fixedly arranged at the extending end, and a rolling wheel is rotationally installed on the rear end face of the supporting plate. The adhesive tape pasting device has the advantages that the working intensity of workers is greatly relieved, and the adhesive tape pasting efficiency is greatly improved.

The invention belongs to the technical field of stacking machine portal production, and particularly relates to an automatic welding system and method for a stacking machine portal assembly. A sliding rail clamping assembly is used for clamping two sliding rail components; the beam and plate components are clamped and mounted at the two ends of the sliding rail component through the beam and plate feeding assembly; two sliding sleeve components are installed on the outer side of each sliding rail component in a sleeving mode through the sliding sleeve feeding assembly; a carrier plate component is jointly clamped and mounted on the four sliding sleeve components through a carrier plate feeding assembly; a plurality of anti-falling inner supporting components are installed in the sliding rail component through an inner supporting filling assembly; a first fastening piece and a second fastening piece are additionally installed through a screw turning machine; the beam plate component and the sliding rail component are welded and fixed through a first welding assembly; the carrier plate component and the sliding sleeve component are welded and fixed through the second welding assembly, and automatic welding and assembling of the stacking machine portal frame assembly are achieved; the anti-falling inner supporting component can provide multi-stage buffering and is suitable for loading explosive objects, fragile objects or high-value objects.

The utility model discloses a plate shearing mechanism for an automatic plate shearing machine, which relates to the technical field of plate shearing machines and comprises a shell, two rotating rods are rotatably mounted on the inner wall of the shell, and two sliding strips are fixedly mounted on the outer walls of the two rotating rods. The outer walls of the two rotating rods and the outer walls of the four sliding strips are slidably sleeved with four sliding bevel gears and four rotating connecting sleeves, and positioning conveying assemblies are arranged at the bottom ends of the four sliding bevel gears correspondingly. The positioning and conveying assembly comprises a machine shell, a set of conveying rollers are rotationally installed on the inner wall of the machine shell, one ends of the outer walls of the conveying rollers penetrate through the top end of the machine shell, and a chain wheel and chain set is arranged at the top end of the conveying rollers, so that angle correction can be conducted on plates by moving the conveying rollers on the two sides at the same time, and the plates are prevented from inclining; and meanwhile, the plates can be prevented from shaking during shearing, one set of conveying rollers can be driven to rotate at the same time through the chain wheel and chain set, then the plates can be driven to be conveyed, and the cutting efficiency of the plates is improved.

The invention belongs to the technical field of welding assistance, and discloses a steel structure welding device. The steel structure welding device comprises a bottom plate, linear rails are fixedly mounted at the four corners of the upper surface of the bottom plate correspondingly, sliding blocks are slidably connected into the linear rails, first hydraulic rods are mounted in the linear rails in an embedded mode through containing grooves, and the output ends of the first hydraulic rods and the sliding blocks are fixedly mounted; and arc-shaped plates are fixedly mounted on the four sliding blocks correspondingly, and anti-skid assemblies are arranged on the linear rails. According to the welding device for the steel structure, the tubular body and the flange plate can be in butt joint more accurately through the mutual matching, positioning and limiting effects of the first positioning assembly and the second positioning assembly, the situation that debugging work is needed due to manual butt joint or other auxiliary butt joint is avoided, and deviation occurs in the machining process is avoided; and the machining efficiency and the welding precision are improved.

The utility model relates to the related field of cylinder body grinding removal, and discloses a quartering hammer cylinder body interior refined grinding removal tool which comprises a bottom plate, a first installation frame and a second installation frame are fixedly arranged on the bottom plate, a grinding mechanism is installed on the first installation frame, and a grinding table is rotatably installed on the second installation frame. Two clamping blocks are slidably installed on the grinding table, a power mechanism is installed on the grinding table, and the power mechanism is in transmission fit with two of the sliding blocks; a linkage assembly is mounted on the polishing table; the linkage assembly is in transmission fit with the power mechanism, and the linkage assembly is in transmission fit with the other two clamping blocks. According to the automatic clamping device, the power mechanism and the linkage mechanism are arranged to drive the four sliding blocks to slide, the four sliding blocks drive the four clamping blocks to clamp and unclamp the breaking hammer cylinder body, therefore, automatic clamping and unclamping are carried out, manual participation is not needed in the whole process, the automation degree is high, time and labor are saved, and people are not prone to being hurt.

The utility model relates to the technical field of stainless steel water tanks, in particular to a buried stainless steel water tank not prone to displacement. According to the technical scheme, the device comprises a shell, and four sliding grooves are formed in the bottom face of the shell; the water tank is arranged in the shell and used for storing water, a bottom plate is arranged at the bottom of the water tank, an adjusting threaded rod is rotationally arranged on the bottom plate, and the lower end of the adjusting threaded rod penetrates through the shell in a threaded mode; a limiting assembly used for limiting the water tank is arranged on the bottom face of the bottom plate. Soil around the buried water tank does not need to be compacted, the water tank is prevented from being damaged, meanwhile, the overall stability of the water tank is improved, displacement of the water tank caused by soil movement or external force is prevented, position change of the water tank caused by soil settlement is effectively prevented, and it is guaranteed that the water tank is always kept at the designed position.

The invention discloses a stamping device with an automatic automobile part carrying structure, and relates to the technical field of automobile part stamping, the stamping device has the advantage of being capable of carrying steel automatically, and the technical scheme is characterized in that the stamping device comprises a fixing ring, a punching mechanism, a stamping mechanism, a stamping and bending mechanism and a placing table; a collecting box is placed on the portion, between the containing table and the punching and bending mechanism, of the ground, the device further comprises a storage mechanism used for storing Y-shaped steel and placed at the top end of the containing table, a feeding mechanism arranged on the containing table and used for taking out the steel stored by the storage mechanism, and a lifting mechanism arranged on the containing table and used for lifting the Y-shaped steel. A mounting ring is arranged at the top end of the fixing ring through a lifting mechanism, the top end of the mounting ring is coaxially and rotatably connected with a rotating ring and clamping mechanisms through a driving mechanism, the top end of the rotating ring is horizontally and slidably connected with four sliding seats through a moving mechanism, the four sliding seats are uniformly distributed in the circumferential direction of the rotating ring, and the clamping mechanisms are arranged at the top ends of the four sliding seats.

The invention belongs to the technical field of welding, particularly relates to welding equipment and a welding method for a building steel structure, and aims to solve the problems that when an existing device is used for welding a steel structure plate, the angle of a welding gun body cannot be adjusted, and the operation is complicated when all positions of the steel structure plate are welded, so that the welding efficiency of the steel structure is influenced. According to the technical scheme, the welding device comprises a supporting frame, a welding platform is fixedly connected to the top of the supporting frame, four sliding grooves are formed in the top of the welding platform, and moving modules are arranged in the four sliding grooves correspondingly. All positions of a steel structure needing to be welded can be welded, the accessory welding quality is improved, meanwhile, the angle of the welding gun body can be automatically adjusted, the welding gun is suitable for welding of different welding positions, the welding efficiency is improved, and the using effect and diversity of the device are improved.

The utility model relates to the technical field of machine tools, in particular to a numerical control plane drilling machine which comprises a machine tool body and a working table, the working table comprises a mounting plate and a dovetail groove plate, four L-shaped sliding blocks are annularly arrayed on the mounting plate, and the four sliding blocks are driven by a driving device to synchronously move oppositely or oppositely; positioning plates are slidably mounted on the horizontal portions of the sliding blocks, ejector rods are arranged at the ends, opposite to each other, of the positioning plates, and the ejector rods are slidably connected with crow bars rotationally mounted on the vertical portions of the sliding blocks. During use, a workpiece is placed on the dovetail groove plate, the four sliding blocks are driven to get close to each other through the driving device, when the positioning plate abuts against the side wall of the workpiece, the positioning plate moves backwards to abut against the embedded frame to move in the straight groove so as to abut against the crow bar to deflect, and when the pressing end of the crow bar abuts against the surface of the workpiece, the crow bar and the positioning plate cannot continue to move to clamp the workpiece. Therefore, centering, positioning and clamping of the workpiece are completed, practicability is high, centering, positioning and clamping are conducted firstly, the preliminary positioning step of the drill bit is simplified, and operation is easier and more convenient.

The utility model belongs to the technical field of feeding tables of plate punching machines, and particularly relates to an extension mechanism for a feeding table of a plate punching machine, which comprises a plate punching machine, a fixed plate, an extension plate and two hinges and further comprises a sliding plate, the sliding plate is slidably mounted at the bottom of the fixed plate, the extension plate is arranged on one side of the fixed plate, and the two hinges are arranged on the fixed plate. The two hinges are both fixedly installed between the fixed plate and the extension plate, one side of the sliding plate extends into the extension plate, one side of the sliding plate is matched with the extension plate in an inserted connection mode, and the fixed plate is fixedly installed at a feeding port of the plate punching machine; the four sliding grooves are formed in the two sides of the fixed plate and the two sides of the extension plate correspondingly, sliding blocks are slidably installed in the four sliding grooves correspondingly, and rectangular columns are arranged on the two sides of the fixed plate correspondingly, so that the length of the feeding area is increased, operation is convenient, tools are not needed, and the use range of the whole device is widened; and meanwhile, it is ensured that the fixed plate and the extension plate are tightly and stably connected in use, and the stability of the whole device in use is ensured.

The utility model provides a raised head rivet disassembling auxiliary device which comprises a guide sleeve (1), a drill rod (2), a first bearing (3), a drill rod spring (4), a second bearing (5), a four-claw sliding block (6), a sliding block spring (7) and a drill bit (8), the guide sleeve (1) is in a barrel shape, a straight hole is formed in the upper end of the barrel shape, and a step hole is formed in the lower end of the barrel shape and used for installing the second bearing (5), the drill rod (2), the drill rod spring (4) and the first bearing (3); four sliding grooves are formed in the outer surface of the lower end of the barrel shape and used for installing a four-claw sliding block (6) and a sliding block spring (7), and the guide sleeve (1) provides an installation supporting structure for other parts. The drill rod (2) is in a round straight rod shape with a boss in the middle, the upper end of the drill rod is installed in the first bearing (3), the lower surface of the boss makes contact with the upper end of the drill rod spring (4), the lower end of the drill rod is installed in the second bearing (5), the drill rod (2) is used for transmitting power, and the upper end of the drill rod is connected with a pneumatic tool and a drill bit (8).

The utility model discloses a kind of transfer spreader, including spreader main body and the spreader frame being installed on spreader main body, four sliding cavities are opened in spreader main body, sliding cavity is slidably arranged with slide bar, the same side part pallet is installed on the two minimum spacing slide bar, the end of slide bar away from side part pallet is provided with stop block, the through hole that is communicated with outside and is adapted to the diameter of slide bar is opened in the inner wall of one side of sliding cavity, when the size of spreader main body itself needs to be adjusted, two racks can be driven to each other close or each other away by rotating transmission gear, two side part pallets can be driven to each other close or each other away by the sliding block connected on two racks at this time, to realize the size of spreader itself is adjusted, by the setting of slide bar, the moving direction of side part pallet can be guided, and the moving range of side part pallet can be limited by the stop block set in the end of slide bar, avoid the connection between side part pallet and spreader main body to be separated.

The present application relates to sheet metal parts processing technical field, especially to a kind of sheet metal parts processing with straightening device, including pedestal, the rack being fixed in the upper portion of pedestal by four slide columns, first electric oil cylinder being installed in the upper end of rack middle part and movable installation in the lower end of first electric oil cylinder and four slide columns between pressing plate, the upper end middle part of pedestal is embedded with ceramic electric heating plate below pressing plate, the middle part of left and right ends of pedestal is all set with side groove.The present application, by setting ceramic electric heating plate, side groove, first trapezoidal slider, second electric oil cylinder and clamping plate on the original pedestal, while setting slide buckle, second trapezoidal slider and spiral extrusion spring on pressing plate, can be two ends of sheet metal part is drawn in middle hot-pressing comprehensive straightening treatment, reduce the occurrence of bending deformation problem in sheet metal machine straightening process, effectively reduce the workload of sheet metal part straightening processing, to improve the convenience and effect of sheet metal part straightening processing.

The utility model discloses a counterweight shell for mine machinery relates to mine machinery technical field. The utility model discloses a counterweight device main part is internally equipped with adjusting device, and the top of counterweight device main part is equipped with fixed block, and the inside of fixed block is equipped with transmission, and adjusting device includes four sliding rods. The utility model through staff starting drive motor, makes transmission link drive stop block and rotate, and staff starts electric push rod, and makes stop block move to the junction of rotary rod no.

The double-tool-bit cutting device comprises a main frame, a first sliding rail and a second sliding rail are symmetrically arranged along an opening of the main frame, a third sliding rail and a fourth sliding rail are slidably arranged between the first sliding rail and the second sliding rail, and sliding block bearings are slidably arranged on the third sliding rail and the fourth sliding rail correspondingly; the sliding block bearing is connected with an operation table so that the operation table can slide. A first moving assembly is arranged on the operation table, the output end of a first gear rack of the first moving assembly is connected with a second moving assembly to drive the second moving assembly to rotate, and the two ends of the second moving assembly are connected with cutting tool bits correspondingly so that the cutting tool bits can rotate for cutting. According to the double-tool-bit cutting device, rectangular steel plates can be cut by moving the cutting tool bits in the X-axis direction and the Y-axis direction, the cutting tool bits can rotate to cut the steel plates through the transmission bearings, round steel plates are obtained, the cutting quality of rectangular and round steel plate cutting is improved, and the working efficiency is improved.

The carton flattening device comprises a base, supporting columns are connected to the four corners of the top of the base, a supporting plate is connected to the tops of the supporting columns, a hydraulic telescopic rod is connected to the top of the supporting plate, and the output end of the hydraulic telescopic rod penetrates through the supporting plate and is connected with a sliding plate which is provided with four sliding openings. Through cooperation of the base, the supporting column, the supporting plate, the hydraulic telescopic rod, a sliding plate, a limiting hole, a limiting column and a flattening plate, an electric telescopic rod can be used for driving the flattening plate to flatten cartons, through cooperation of a transmission cavity, a lead screw, a servo motor, a transmission strip, an arrangement groove, an arrangement strip, a lifting groove and a lifting strip, the carton flattening device can rapidly adapt to cartons of different sizes, and the carton flattening device is convenient to use. And both small express cartons and large industrial packaging cartons can be effectively flattened, so that the application range of the flattening device is expanded.

The utility model discloses an integral forming die for a thermostat shell. The integral forming die comprises a lower die holder and a mounting mechanism, a clamping groove is formed in the upper surface of the lower die base, and an upper die base is arranged in the clamping groove; the mounting mechanism comprises a connecting block, a bayonet, clamping plates, tension springs, U-shaped seats and four sliding blocks, the four sliding blocks vertically slide on the front inner wall, the rear inner wall, the left inner wall and the right inner wall of the clamping groove respectively, the U-shaped seats are fixedly connected to the upper surfaces of the sliding blocks, the clamping plates are rotatably connected to the interiors of the U-shaped seats, the tension springs are fixedly connected between every two adjacent clamping plates, and the clamping grooves are formed in the clamping grooves. The connecting blocks are fixedly connected to the lower surface of the upper die base, bayonets are formed in the connecting blocks, the integral forming die for the thermostat shell can ensure accurate butt joint when the integral forming die for the thermostat shell is closed, the closing gap is reduced, plastic melt can flow uniformly in the injection process, and the production efficiency is improved. And the forming precision and the product quality are improved.

The utility model relates to the technical field of non-metal expansion joints, and discloses a non-metal expansion joint with installation compensation, which comprises a non-metal corrugated pipe and an installation compensation component, flange plates are fixedly connected to the outer walls of the upper side and the lower side of the non-metal corrugated pipe, and the installation compensation component comprises two circular rings and four threaded shafts. The two circular rings are welded to the outer walls of the two flange plates correspondingly, annular sliding grooves are formed in the outer walls of the circular rings, and four sliding parts are slidably connected into the annular sliding grooves. The positions of the sliding pieces in the annular sliding grooves are slid, so that every four sliding pieces are located on the periphery of pipelines needing to be communicated, then the positions of the threaded shafts penetrating through the transverse holes are adjusted, the fastening nuts are rotated for fastening, and the non-metal corrugated pipe can incline so as to be connected and fixed with two pipelines in different axial directions. The function of installation compensation is achieved, and installation is flexible.

The utility model relates to food processing equipment field, specifically is a kind of toast device, including toast mechanism, and the toast mechanism is provided with dismounting mechanism, and the dismounting mechanism includes four sliding rods, and the sliding rod opposite side is fixedly connected with circular clamping block in front and back on both sides, and the sliding rod front and back are fixedly connected with sliding block, and the sliding block is all set with threaded hole in rear, and the threaded hole inner wall screw thread is connected with bidirectional threaded rod on both sides, and the bidirectional threaded rod both sides are fixedly connected with No. Handle;The utility model passes through bidirectional threaded rod linkage, just need to rotate No. Handle, and the insertion locking or pulling out unlocking of both sides circular clamping block can be completed simultaneously, and single-time dismounting time is greatly shortened, and it is more simple and convenient to operate, and dismounting mechanism transmission is rigid connection, and there is no spring, plastic buckle and other easy-wear spare parts, and service life is long, and it is far more than the service life of traditional elastic fixed structure under normal use.

The present application relates to the technical field of angle iron frame welding, and particularly relates to a four-head automatic welding device for bed angle iron frame and a welding process; the device comprises a rack and four-head welding assemblies, the four-head welding assemblies comprise right-angle plates, vertical plates, carriages, air cylinders, horizontal plates, sliding seats, welding machines, adjusting members and supporting members, the adjusting members drive the four sliding seats to slide along the horizontal plates respectively, so that the welding torches of the welding machines are aligned with the joints to be welded; the air cylinders are started to drive the carriages to slide downward along the vertical plates, so that the welding machines are lowered to the set welding stations; meanwhile, the four welding machines are started to synchronously and automatically weld the angle iron joints at the four corners of the frame; by the above-mentioned mode, the four corners of the bed angle iron frame are synchronously and automatically welded by four groups of independent welding units, the whole process does not need manual point-by-point operation, and the problems of long manual welding time and high labor intensity in the prior art are effectively solved.

The utility model relates to a detachable clamping type accessory, which belongs to the technical field of cargo transfer equipment and comprises a bottom plate, a left clamping mechanism and a right clamping mechanism, the bottom plate is mounted on a forklift, four slide rails are fixedly arranged on the bottom plate, each clamping mechanism comprises a side plate and a hydraulic cylinder, two strip-shaped plates are fixedly arranged at the inner end of each side plate and are mounted on the slide rails in a sliding manner, and the hydraulic cylinders are mounted on the slide rails. One end of the hydraulic cylinder is connected with the inner end of the side plate, and the other end of the hydraulic cylinder is connected with the bottom plate. When the auxiliary tool is installed, the auxiliary tool is similar to a fork knife feeding magazine, the auxiliary tool is installed on a forklift and locked through the reinforcing device, and safety and firmness of the auxiliary tool in the using process are guaranteed. The problem of shortage of field operation equipment is solved, the straight holding clamping device can meet the operation requirements of cylindrical objects such as paper pulp and roll paper at the same time, the utilization rate and efficiency of the equipment are improved, operation is convenient and fast, and cost is low.

The utility model relates to the technical field of hub bearings, in particular to a high-rigidity bearing for riveting a hub, which comprises a spline nut, six riveting grooves are distributed at one end of the spline nut, an outer ring is arranged on the outer side of the spline nut, four sliding mechanisms are arranged between the spline nut and the outer ring, and the riveting grooves are matched with the sliding mechanisms. The end, close to the riveting groove, of the outer ring is fixedly connected with a connecting flange, the outer side of the outer ring is slidably connected with a locking mechanism, the locking mechanism and the connecting flange are connected with a hub, specifically, bolts and nuts are used for fixed connection, the annular sleeve is slidably connected with the outer ring, and the nuts can be connected in a sleeved mode through the rotation stopping sleeve fixedly connected with the annular sleeve. According to the hub bearing, the nut cannot rotate after being sleeved with the rotation stopping sleeve, the rotation stopping sleeve is made of elastic rubber, the rotation stopping sleeve has certain adaptability and can wrap the nut, the rotation stopping effect is achieved, and the problems that when an existing hub bearing is used, abnormal sounds are possibly generated, and the service life is short are solved.

The utility model discloses safety protection equipment for oil field underground operation, which comprises a base, a top plate is arranged above the base, the upper end of the base is provided with two and four sliding chutes, and a buffer mechanism for buffering the top plate is jointly arranged in the two sliding chutes on the same side. The buffering mechanism comprises two sliding blocks slidably connected into the two sliding grooves, grooves are formed in the upper ends of the two sliding blocks correspondingly, rotating rods are rotationally connected into the two grooves correspondingly, fixing blocks are rotationally connected to the ends, away from the sliding blocks, of the two rotating rods correspondingly, and the upper ends of the two fixing blocks are fixedly connected to the lower end of a top plate. The side walls of the two sliding blocks are elastically connected with the inner wall of the sliding groove on the same side through springs. The device is reasonable in structure, falling objects can be blocked through the buffering mechanism and the top plate, meanwhile, when the falling objects make contact with the top plate, the top plate is buffered, top plate damage caused by impact force is avoided, and the service life of the device is prolonged.

The invention discloses a safety device for tunnel construction, and belongs to the technical field of tunnel construction. The problem that an existing tunnel construction safety supporting device is prone to breakage and damage when collided by falling stones is solved. The device comprises a fixing base, four connecting rods are arranged on the bottom side of the fixing base, supporting columns are arranged at the bottom ends of the connecting rods, and a lifting assembly is arranged between each supporting column and the corresponding connecting rod; a through groove is formed in the top end of the fixing base, sliding ways are arranged at the four ends of the bottom, sliding blocks are slidably arranged in the sliding ways, and first springs fixedly connected with the sliding blocks are fixed to the two ends in the sliding ways. A supporting plate is arranged at the top end of the vertical frame, a first fixing column is arranged at the bottom end, and a guide assembly is arranged between the first fixing column and the fixing base; a pair of second fixing columns are symmetrically arranged at the two ends of the bottom side in the fixing base, the top ends of the sliding blocks extend out of the sliding ways and are fixedly connected with the second fixing columns, and multiple sets of first fixing arms are connected between the first fixing columns and the second fixing columns through rotating shafts. The device can effectively buffer gravel impact and improve anti-collision protection and safety.

The utility model discloses an anti-vibration transportation device for galvanic piles, and relates to the technical field of galvanic pile transportation, the anti-vibration transportation device for galvanic piles comprises a bottom plate, the upper side surface of the bottom plate is provided with a damping assembly, the upper side surface of the damping assembly is fixedly connected with a mounting plate, the upper side surface of the mounting plate is provided with two limiting grooves, and the upper side surface of the mounting plate is fixedly connected with the damping assembly. Two clamping plates are arranged on the mounting plate, the lower side surfaces of the two clamping plates extend into the limiting groove and are in sliding connection with the limiting groove, a pressure plate is arranged above the mounting plate, four connecting rods are rotationally connected to the lower side surface of the pressure plate, four sliding grooves are formed in the upper side surface of the mounting plate, and the upper side surface of the mounting plate is provided with a clamping plate. The pressure plate is driven to descend by means of the gravity of the galvanic pile, and then the fixing assembly is matched to automatically drive the two clamping plates to get close to each other to complete clamping of the galvanic pile, so that the problem that the clamping speed is low by means of a lead screw in a traditional structure is avoided, and the fixing efficiency is improved.

The utility model discloses a gear hobbing machine C-shaft working table which comprises a gear hobbing machine table, a gear hobbing machine base, a gear hobbing machine base, a gear hobbing machine base, a gear hobbing machine base, a gear hobbing machine base and a gear hobbing machine base, the C-axis assembly is installed in an inner cavity of the gear hobbing machine table and comprises a base, a driving part is assembled in an inner cavity of the base, an annular groove, four sliding balls and a main shaft seat are assembled above the base, an operator fixes the driving part in a clamping groove formed in the base firstly, four positioning pins and the four sliding balls are spirally fixed, and then the main shaft seat is assembled on the base. The driving component can be started through the control console, the main shaft seat rotates through the driving component, the four sliding balls connected to the lower portion of the main shaft seat rotate in the annular groove through the rotation of the main shaft seat, and part of impact force generated in the cutting process can be absorbed through the use of the four sliding balls; and stable operation of a transmission system is protected, and then precise cutting of a machined part is achieved.

The application discloses a solid propellant biaxial tensile testing device and a testing method, and relates to the technical field of solid propellant mechanical property testing. The device comprises a vertical support, a mounting plate, sliding rails, fixed pulleys, movable pulleys, moving clamps, a loading mechanism and ropes. The mounting plate is fixedly installed on the vertical support. Four sliding rails are installed on the mounting plate. The four sliding rails are distributed at equal angles in a cross shape. One moving clamp is slidably arranged on each sliding rail. One end of the moving clamp is used for connecting a solid propellant biaxial tensile sample. The other end of the moving clamp is provided with a plurality of movable pulleys. A plurality of fixed pulleys are arranged on the outer sides of the sliding rails. The fixed pulleys are installed on the mounting plate. The loading mechanism is provided with a plurality of loading mechanism movable pulleys. The ropes are used for connecting the loading mechanism movable pulleys, the fixed pulleys and the movable pulleys, and suspending the loading mechanism below the mounting plate. The application can realize biaxial tensile testing of solid propellant creep load under different loading ratios. The structure is simple, small and low in economic cost.