128results about How to "Easy to lock and fix" patented technology

The invention provides an iron sheet cutting and length adjustment device based on machining. The iron sheet cutting and length adjustment device based on machining comprises a machining table body, two sets of transverse sliding grooves are formed in the machining table body, and press-fitting pulling mechanisms are slidably installed in the transverse sliding grooves. A discharging mechanism comprises a discharging rotary plate, a discharging drive gear and a discharging drive shaft. Iron sheets can be subjected to tight press-fitting between an upper pressing plate and a lower pressing plate by the press-fitting pulling mechanisms, the front ends of the iron sheets can further be pulled to cutting length clamping plate positions through the press-fitting pulling mechanisms and attachedto the cutting length clamping plate positions, after the press-fitting pulling mechanisms penetrate through longitudinal cutting grooves, racks I mesh with the discharging drive gear in sequence, andunder the action of an ratchet mechanism in the discharging drive gear, the rear end of the discharging rotary plate is turned upwards. The cut iron sheets are turned up and discharged from the machining table body. Press-fitting and pushing of the iron sheets can be achieved in sequence by operating a manual grip, and the iron sheets are cut and discharged; and repeated operation with both handsis not required, and the machining is improved significantly.

The invention discloses a centralized box for centralized placement of large-size articles and small-size articles for logistics. The centralized box comprises a centralized box body, a layered assembly is arranged in the centralized box body, and partition plates are arranged on one side of the layered assembly. The centralized box is scientific and reasonable in structure, and safe and convenient to use; the layered assembly is arranged, through the effects of a sliding rod supporting block, a sliding rod and a layering plate, the interior of the centralized box can be conveniently layered,the space pattern inside the centralized box can be changed according to actual requirements, the articles with different sizes can be placed, so that the orderliness of article placement is improved;through the effects of springs, fixing clamps, movable shafts and the anti-skid inner cushions, the layering plate can be conveniently arranged and disassembled; and the partition plates are arranged, through the effects of elastic clamping ball, connecting rods and connecting through holes, the partition plates with different sizes can be conveniently arranged on one side of the layering plate according to requirements to isolate the articles stored in the centralized box, so that collision between different objects in the moving process is avoided, and the safety of the articles is improved.

The invention discloses a railway truck head wall spreader, belonging to the technical field of lifting tools, wherein the spreader comprises a shackle and a lifting hook in connection with the shackle; besides, a vertical movable stop card is arranged at the opening side of the lifting hook; an opening slot is arranged in the middle on the end portion of the lifting hook; the space formed by the combination of the vertical movable stop card and the lifting hook adapts to the cross section of a rib plate in the middle of an upper beam on the head wall. The railway truck head wall spreader has the advantages of simple structure, easiness for operations, safety, and reliability and improves the working efficiency.

The invention discloses a nail feeding tail end locking device of a double-end stud, and belongs to the field of bolt assembly equipment. The nail feeding tail end locking device comprises a nail feeding assembly, a locking assembly and a body. The locking assembly is arranged at the upper end of the nail feeding assembly, and the locking assembly and the nail feeding assembly are arranged in a matched manner. The nail feeding assembly and the locking assembly are both arranged on the body and are in sliding connection relative to the body. The locking assembly is driven by a pneumatic screwdriver to rotate. The nail feeding assembly is driven by a first drive cylinder to ascend and descend. According to the nail feeding tail end locking device, the double-end stud can be automatically fedto the tail end, and after single end locking, automatic tightening of the double-end stud can be achieved; it can be ensured that after the double-end stud is tightened and a tightening end retreats, finally the tightening torque cannot change; feeding and tightening are completely automatic; the labor intensity is reduced; and the work efficiency is improved.

The invention relates to a novel bus duct type power distribution system. The system comprises a long bar-shaped bus duct structure arranged transversely and a power plug box inserted in the bus duct structure from the lower part, wherein the bus duct structure consists of a bus duct main body and a bus duct folding box which are arranged at an interval; a clamping groove which extends along a long axis of the bus duct main body is formed in the bottom of the bus duct main body; a conductive copper bar is arranged in the clamping groove; a conductive reed butted with the conductive copper bar to realize electric conduction is arranged in the bus duct folding box; and the power plug box comprises a plug apparatus plugged in the clamping groove of the bus duct main body and a box body structure. The system has the advantages that the clamping groove for the plug box to be plugged is formed in the bus duct and extends along the long axis of the bus duct, the plug box can be plugged in any position of the clamping groove, and a matched plug box can be plugged in a proper position of an electric device according to a position need.

The invention relates to a walking type electric power overhaul ladder convenient to move, and aims to solve the technical problem that when the position of a ladder needs to be moved, an operator needs to climb down the ladder, then move to a preset position and then climb up the ladder, and consequently the overhaul efficiency is low. The walking type electric power overhaul ladder comprises a bottom plate and a herringbone ladder located on the bottom plate; and a supporting table is arranged on the position, located between the herringbone ladder, of the bottom plate, a driving bevel gear is installed on the supporting table, a driven bevel gear engaged with the driving bevel gear is arranged on the supporting table, a driving worm is arranged in the center of the driven bevel gear, a rotating turbine engaged with the driving worm is arranged at the position, located at the bottom end of the driving worm, of the bottom plate, a driving shaft driven by the rotating turbine is arranged at the bottom of the bottom plate, driving wheels are arranged at the positions, located at the two ends of the driving shaft, of the bottom plate, driven wheels are arranged at the ends, away from the driving wheels, of the bottom plate, an eccentric rod is arranged on the driving bevel gear, and a driving pedal is rotationally connected to the eccentric rod. The ladder has the effects that an operator can move the ladder at a high position, and the overhauling efficiency is improved.

The invention discloses a metal sealing device for a horizontal type oil extraction wellhead system. The metal sealing device comprises a wellhead, a metal sealing ring and through holes, thread grooves are formed in the surface of the top edge of the wellhead, a different-diameter connector is arranged above the wellhead, wherein the edge of the different-diameter connector is connected with locking bolts in a penetrating mode, the locking bolts are connected with the thread grooves of the top of the wellhead, abutting grooves are formed in the inner side, in butt joint with the different-diameter connector, of the wellhead, the metal sealing ring is arranged in the wellhead and the different-diameter connector, and the through holes are formed in the surfaces of loops in a penetrating mode. According to the metal sealing device for the horizontal type oil extraction wellhead system, when pressure is generated in the wellhead, the metal sealing ring is extruded outwards under pressure, so that the metal sealing ring is correspondingly and closely compressed with the wellhead and the inner wall edge of the different-diameter connector through the surface with the two outer side ends of 19 degrees, a pressure sealing-assisting effect is conveniently realized on the device through the metal sealing ring, and thus the sealing effect of the device is improved.

The invention discloses a petroleum pipeline support for size adjustment, and relates to the technical field of petroleum pipeline auxiliary equipment. The invention includes a pressure plate, a support plate arranged under the pressure plate, and an arc-shaped lower groove is arranged on the upper surface of the support plate. An arc-shaped upper groove corresponding to the arc-shaped lower groove is arranged under the pressing plate, an opening is set in the middle of the top of the arc-shaped upper groove, and two protrusions with holes are symmetrically arranged at the opening of the arc-shaped upper groove. The two protrusions with holes are detachably fixed by the bolt 2 and the lock nut 2, the left and right ends of the pressure plate are symmetrically provided with threaded holes a and threaded holes b, and the left and right ends of the support plate are symmetrically provided with threaded holes corresponding to the threaded holes a The strip-shaped hole a and the strip-shaped hole b corresponding to the threaded hole b, a rubber gasket with holes is arranged between the pressure plate and the support plate, and the bolt 1 and the lock are used between the pressure plate, the rubber gasket and the support plate. Tight nut-removable fixation. The invention has a simple structure and meets the requirements for laying oil pipelines of different sizes.

The invention discloses a convenient-to-lock-and-fix drainage structure for municipal water supply and drainage. The drainage structure comprises a wall body, a trench cover, an external grip and a partition plate, wherein the wall body is internally provided with a draining area, a water falling area and a water channel are arranged in sequence below the draining area, the trench cover is connected to the top end of the draining area, a gasket is attached to the outer side of the trench cover, clamping devices are mounted on the left and right sides of the trench cover, the top end of a rotating wheel is provided with a connecting plate, the bottom end of the rotating wheel is connected with a bottom plate, the outer side of a locking rod is provided with a rotating groove, the partitionplate is mounted between the draining area and the water falling area, and the outer side of a filter plate is provided with a lower flow chamber. The convenient-to-lock-and-fix drainage structure formunicipal water supply and drainage reduces the working intensity and reduces the cost, the service life is convenient to ensure, the trench cover is convenient to fix, the stable use of the trench cover is benefited, the drainage speed is convenient to ensure, impurities are convenient to clean, and the long-term use is facilitated.

The invention discloses a screening device for waste rock processing. The screening device comprises a base, supporting columns are fixedly installed at the four corners of the top of the base, a crushing box is fixedly installed at the tops of the supporting columns, and a screening plate is arranged in an inner cavity of the crushing box. According to the screening device, through arrangement ofa spring, when a user uses the device, waste stone needing to be crushed is put into the inner cavity of the crushing box through a feeding pipe, an output shaft of a motor drives a rotating rod to rotate, a rotating rod rotates to drive the rotating pipe to rotate, the rotating pipe rotates to drive a crushing rod to crush the waste stone, the crushed broken stones fall into an inner cavity of acollecting box downwards through a discharging pipe after being filtered through a sieve plate, the waste stones fall onto the surface of the sieve plate downwards under the influence of the gravityof the waste stones and drive the sieve plate to move downwards, the spring is compressed downwards through movement of the sieve plate, at the moment, reacting force generated by contraction of the spring drives the sieve plate to move upwards, therefore, the sieve plate is in a shaking state and is prevented from being blocked by the broken stones.

The invention relates to a mobile vending vehicle. The mobile vending vehicle comprises a rectangular compartment main body, the compartment main body comprises a bottom plate and a frame structure onthe bottom plate, a movable compartment wall is arranged on the vertical face of one side of the frame structure, the movable compartment wall comprises an upper turnover plate and a lower turnover plate which can be turned outwards to be opened correspondingly, the upper turnover plate and the lower turnover plate can be turned upwards and downwards respectively so as to be opened or turned backwards to be closed vertically, horizontal sliding rail grooves are correspondingly connected to the upper portions of the two side vertical faces of the left end and the right end of the upper turnover plate, the groove bodies of the two sliding rail grooves are right opposite to each other, the two ends of the upper edge of the upper turnover plate extend horizontally to be provided with rotatingshaft bodies correspondingly, the two rotating shaft bodies are rotatably inserted into the groove bodies of the sliding rail grooves in the corresponding ends so that the upper turnover plate can beturned outwards to be opened and can slide along the sliding rail grooves to be stored in the compartment main body, the compartment main body is provided with a supporting mechanism for supporting the free end of the upper turnover plate when the upper turnover plate is turned outwards to be opened and slide along the sliding rail grooves to be stored. Thus, more degrees of freedom are providedfor the upper turnover plate, storage can be achieved, the safety risk can be reduced, and the occupation of the external space is reduced.

The invention discloses a quickly assembled and disassembled convenient joint. The convenient joint comprises a joint (1), a locking screw cap (2), a movable pawl (3) and a pipe clamp (4); one end of the joint (1) is provided with a pipe body connecting port (5); the locking screw cap (2) is arranged outside the pipe body connecting port (5); the locking screw cap (2) is provided with a groove A (7) and a groove B (8); the movable pawl (3) is arranged in the groove B (8); the movable pawl (3) is provided with an annular skirt edge (11); an end cover (12) is arranged in the groove A (7); the skirt edge (11) is movably positioned in the groove B (8) by the end cover (12); and an O-shaped silica gel sealing ring B (15) is arranged at the other end of the joint (1). The convenient joint has the advantages that: because the movable pawl and the locking screw cap form an integrated structure, the convenient joint is convenient for installation, has a better sealing effect and does not affect the sealing quality when being repeatedly assembled and disassembled; and the locking screw cap is a double-purpose screw cap and is convenient for installation.

The invention discloses a driving roller locking structure. The driving roller locking structure comprises a driving roller main body, groove strips are formed in the outer side of the driving rollermain body at equal intervals, a left rotating shaft is fixedly connected to the left side of the driving roller main body, and a right rotating shaft is fixedly connected to the right side of the driving roller main body. The driving roller locking structure is easy to operate and high in practicability, the left rotating shaft, the right rotating shaft, a left supporting plate, a right supportingplate, a bottom plate, a rotating motor and a bottom block are used for providing rotating force for the driving roller main body, and verification of the function of the locking structure is facilitated; a top block body, an upper telescopic rod, a lower telescopic rod, a circular ring body, an inserting strip, a connecting strip, an inserting pipe, a clamping hole, a telescopic inserting rod, an elastic strip and a clamping block are used for locking and fixing of the driving roller main body; a clamping ring body, a telescopic clamping rod, a clamping column and a clamping block are used for further locking and fixing of the driving roller main body; and the upper telescopic rod and the lower telescopic rod are used for vertical clamping of the circular ring body, the clamping column is used, accidental breakage of the telescopic clamping rod is prevented, and the supporting performance of the telescopic clamping rod is enhanced.

The invention provides cable production equipment, and belongs to the technical field of cable production. The equipment comprises a base and a cutting assembly. The base comprises a box body, a grip and a handrail, wherein the grip is fixed to one side of the box body, the handrail is slidably connected to the top of the box body, one side of the box body is provided with an opening, and the cutting assembly comprises a telescopic part, an air blowing device body, a first rotating part, a block body, a second rotating part and a cutting device body. The block body is rotationally connected with the first rotating part, the first rotating part is driven to conveniently drive the block body to rotate, meanwhile, the second rotating part and the cutting device body are conveniently driven to rotate, cutting at different angles is conveniently conducted, and the second rotating part is driven to conveniently drive the cutting device body to rotate, and the cutting angle of the cutting device body is convenient to change, so multi-angle cutting is convenient, and the production efficiency of existing cable production equipment is improved.

The invention discloses a multifunctional die positioning clamp which comprises a die containing table, a die and a positioning clamp. The two ends of the die containing table are correspondingly provided with a plurality of convex grooves, the positioning clamp comprises a pressing plate, wavy pressing teeth are arranged at the bottom of the front end of the pressing plate, and a rectangular through groove is formed in the back end of the pressing plate; and the left side and the right side of the top of the rectangular through groove are provided with a first U-shaped clamping position and a second U-shaped clamping position correspondingly, a positioning column is arranged in the rectangular through groove and movably sleeved with a U-shaped positioning piece, an external thread is arranged at the upper end of the positioning column, and a fixing block is arranged at the bottom end of the positioning column. The multifunctional die positioning clamp is simple in structure, a metric system die and an English system die can be conveniently locked and fixed, and the clamping aim is achieved.

The invention discloses visual inspection equipment with a double-limiting structure, and relates to the technical field of visual inspection. The equipment comprises a machine body, an image acquisition mechanism, a light supplementing mechanism and a display screen. A reinforcing plate is fixed on the outer side of the machine body. A fixed plate is mounted on one side of the upper part of the machine body. A telescopic adjusting structure is mounted on one side of the fixed plate. A connecting rod is fixed to one side of the telescopic adjusting structure. The image acquisition mechanism ismounted on one side of the connecting rod. A connecting plate is arranged above the connecting rod. A light supplementing plate is mounted on one side of the connecting plate. A hinge is arranged between the light supplementing plate and the connecting plate. The light supplementing mechanism is mounted below the light supplementing plate. The equipment has the advantages that by arranging the telescopic adjusting structure, telescopic adjustment of the position of the image acquisition mechanism is facilitated, and by arranging the electric push rod, movement of the push plate is facilitated, so that adjustment of the position of the image acquisition mechanism is facilitated.

The invention discloses a medical instrument disinfection equipment capable of timing for the respiratory medicine department. The medical instrument disinfection equipment comprises universal wheels and the like; mounting blocks are symmetrically connected to the left and right sides of the lower part of a shell front and back, the universal wheels are rotatably connected between the front and back sides of the lower parts of the mounting blocks, a grip is connected to the left side of the upper part of the shell, and a disinfection mechanism is arranged on the upper part of the shell. The medical instrument disinfection equipment capable of timing for the respiratory medicine department has the advantages that medical instruments can be easily driven to rotate, comprehensive disinfection and timing disinfection are guaranteed, the medical instruments are conveniently taken out, constant-speed rotation of the medical instruments is guaranteed, the disinfection time is fixed, and the cover plate is conveniently locked and fixed.

The invention relates to a milling machine, and belongs to the technical field of mechanical equipment special for roads. The milling machine comprises a frame, a seat rotationally and adjustably connected with the frame, handrails rotationally and adjustably connected with the frame and a crawling ladder rotationally, adjustably and elastically connected with the frame; and the handrails and thecrawling ladder are arranged at the outer side of the frame, the handrails can be rotationally stored inwards, the crawling ladder can be rotationally extended downwards, and the crawling ladder can be rotationally folded upwards to be stored. According to the milling machine, the handrails, the crawling ladder and the seat can be inwards contracted, and the requirements for welt milling and the whole machine transportation width can be met after contraction, so that the construction is facilitated, and the transportation is safer.