110results about How to "Achieve loosening" patented technology

The invention discloses a self-clamping linkage clamp capable of preventing shaft rotation. The self-clamping linkage clamp capable of preventing shaft rotation comprises a front clamping mechanism used for clamping a shaft and a rear clamping mechanism used for clamping a fixing piece installed on the shaft in a screwed mode. A connecting mechanism is arranged between the front clamping mechanism and the rear clamping mechanism, and the front clamping mechanism and the rear clamping mechanism are connected and can rotate relatively in one direction through the connecting mechanism. The connecting mechanism can stretch in the axial direction, and the maximum stretching distance of the connecting mechanism is larger than the axial length of the fixing piece. According to the self-clamping linkage clamp capable of preventing shaft rotation, through the arrangement of the front clamping mechanism, the rear clamping mechanism and the connecting mechanism, the purpose of preventing the shaft from rotating when the fixing piece on the shaft is dismounted is achieved, oil leakage and even falling of internal connecting lines caused by shaft rotation are prevented, and using is convenient. After dismounting is completed, a handle is rotated so as to rotate a stop lever out of a clamping groove, an auxiliary handle rebounds automatically under the action of a return spring, the clamped piece is loosened, and thus the clamp can be dismounted from the shaft, and operation is easy and convenient.

The invention relates to the field of crop planting, in particular to a peanut planting device. The peanut planting device comprises an inner cylinder and an outer cylinder, wherein the inner cylinderand the outer cylinder are provided with a plurality of through holes respectively; the top of the inner cylinder is provided with a first lifting handle; a stirring shaft is arranged in the inner cylinder; a plurality of stirring blades are arranged on the stirring shaft; a telescopic rod is arranged on the wall of the inner cylinder; a first spring is connected between one end of the stirring shaft and the wall of the inner cylinder; the other end of the stirring shaft is connected with one end of the telescopic rod; the telescopic rod penetrates through the inner cylinder and the other endof the telescopic rod is butted with a baffle; and a pull rope is connected between the baffle and the first lifting handle; an annular first chute and an annular second chute are arranged on the inner wall of the outer cylinder at intervals, the depth of the first chute is greater than that of the second chute; and a connecting groove is arranged on the inner wall of the outer cylinder and connects the first chute and the second chute to form a thread groove. The peanut planting device provided by the invention solves the problem that a planting basket cannot be easily pulled out of soil during harvesting.

The invention relates to an attached type steel jacket box cofferdam, and relates to the technical field of bridge construction. The attached type steel jacket box cofferdam comprises a steel jacket box body connected with an existing structure object, a connector device is arranged between the existing structure object and the steel jacket box body and comprises a connecting guide device fixedlyconnected with the steel jacket box body and an insertion plate device moving in the connecting guide device; and a gap between the connecting guide device and the existing structure object is filledwith the insertion plate device and forms a filling space. According to a semi-encircling steel jacket box structure, the problem about construction of the steel jacket box cofferdam is solved throughthe connector device.

The invention relates to an intelligent lock gasket based on a force-induced color change coating. Safety and reliability of bolt connection are guaranteed. The intelligent lock gasket is composed ofthe force-induced color change coating and a lock gasket body. The force-induced color change coating is arranged at the top end of the gasket body. According to the intelligent lock gasket, safety and reliability of gasket connecting can be achieved, the structural weight is low, and demounting and mounting are convenient; and maintainability is good, and the accident caused by gasket loosening and breakage to key structure connection can be effectively avoided.

The invention discloses an automatic gap compensating bolt which comprises a screw cap and a screw rod. A travel cavity is formed in the screw cap, an elastic compensating device is arranged in the travel cavity, and when a gap is generated between the screw cap and a fastening face, the elastic compensating device can move towards the fastening face and compensates the gap between the screw cap and the fastening face. The automatic gap compensating bolt has the advantages of being simple in structure, convenient to mount and capable of achieving automatic gap compensating.

The present invention relates to a torque transmission device for a motor vehicle, with a blocking mechanism for locking at least one motor vehicle wheel connected to an output shaft of the torque transmission device. The torque transmission device comprises a differential gearing connected to the output shaft and a drive unit, and said differential gearing and the drive unit are connected to each other effectively in terms of drive via a clutch unit. The blocking mechanism can be brought into engagement with a rotatable component of the torque transmission device, which component is functionally arranged between the wheel and the clutch unit.

The invention discloses a method for rapidly cold-extracting a scrapped nylon sleeve in a concrete sleeper and a special drill jig. The method comprises the following steps of: adopting a stepwise working method, namely, drilling a plurality of key slots in the inner wall of the scrapped nylon sleeve at first, and then clamping wedges in the inner cavity of the scrapped nylon sleeve along the plurality of key slots, then locking the wedges by a torque wrench to loosen the scrapped nylon sleeve relative to the concrete sleeper until the scrapped nylon sleeve is unscrewed out of the concrete sleeper. The special drill jig is provided with a drill jig body, wherein drill bushings are arranged on the drill jig body; and the special drill jig is characterized in that the drill bushings are uniformly distributed on the drill jig body, a location boss matched with an unthreaded hole in the upper part of the inner cavity of the nylon sleeve extends outwards from one side of the drill jig body, a guide rod inserted in the inner cavity of the nylon sleeve extends from the location boss, and arc-shaped grooves concentric with the drill bushings are formed in the periphery of the guide rod. The whole operation method is simple and reliable, and free from damages on cement internal threads in the nylon sleeve and the concrete sleeper, thus guaranteeing time-saving, labour-saving and high-efficiency replacement of a new nylon sleeve.

The invention discloses an electric vehicle charging device base gangway. The electric vehicle charging device base gangway comprises a main body unit, an initial prestressed tension adjusting unit, ahighest prestressed tension adjusting unit and a maximum movement range adjusting unit, the main body unit is composed of a gangway hook, a gangway lug, a gangway support and an adjusting screw rod,the initial prestressed tension adjusting unit is composed of elastic force of the prefabricated radian of the gangway hook and the adjusting screw rod, the highest prestressed tension adjusting unitis composed of a gangway lug upper limit point and an adjusting screw rod center line position, and the maximum movement range adjusting unit is composed of a gangway lug starting acting point, a gangway hook starting position and a gangway hook position stopping acting point. According to the electric vehicle charging device base gangway, standard quality control in batch production, installation, debugging and use of a whole gangway part and a part is effectively realized, and prevention and control of loosening and separation of batch bases and a ground are further realized.

The invention discloses a muskmelon early-maturing efficient cultivation combined box which comprises a supporting plate, cultivation boxes and combined supports. A supporting columns are fixedly connected to the center of the upper surface of the supporting plate, the cultivation boxes are movably connected into the supporting column, and universal wheels are symmetrically connected to the lowersurface of the supporting plate; and a lifting rod is fixed to the center of the lower surface of each cultivation box, hinge seats are symmetrically connected to the lower surface of each cultivationbox, and the combined supports are hinged to the hinge seats. The muskmelon early-maturing efficient cultivation combined box is formed by combining the plurality of cultivation boxes, the cultivation boxes are connected through the combined supports, the supporting plate is used for controlling the moving positions of the cultivation boxes, the distances between the cultivation boxes can be controlled through the combined supports, and the combined supports provide supporting for muskmelon vines to climb; after first support rods and second support rods are completely unfolded, protruding columns can be automatically pressed, loosening of a lifting rod and the supporting column is achieved, and therefore the cultivation boxes can be integrally moved downwards, and adjustment is convenient.

A regulating-locking mechanism for the telescopic pipe of suction cleaner is composed of internal pipe, external pipe with a slotted end for mounting a lock seat to it, push-button mounted in the axial translation mechanism on lock seat, and a swinging block hinged to said lock seat. Its feature is that the shape of said swinging block is designed to form a 3D crossed self-locking structure.

The invention discloses an anti-loose nut capable of being interlocked. The anti-loose nut is mainly applied to the field of machinery. The anti-loose nut capable of being interlocked has an interlocking function, the tightened nut cannot be loosened from a bolt, and the nut is convenient to manufacture and use. The anti-loose nut is composed of a nut body A and a nut body B; according to the working principle of the anti-loose nut, first an extruding part of the nut body A is upwards screwed up on the bolt, the lower end of the nut body A presses a workpiece, then a clamping part of the nut body B is downwards screwed on the bolt, moreover, the clamping part of the nut body B abuts against the extruding part of the nut body A, a plurality of convex ribs of the extruding part of the nut body A are used for extruding a plurality of clamping pieces of the nut body B, inner threads B of the plurality of clamping pieces are used for extruding outer threads of the bolt to tightly hoop the external threads of the bolts, and the purpose of preventing looseness is achieved. According to the anti-loose nut, at least one convex rib is clamped into a groove of the nut body B in the process, so that interlocking is realized; under the action of the vibration load, the nut body B is loosened first, the convex rib clamped in the groove of the nut body B is used for preventing the nut body Bfrom loosening, at the same time, the plurality of convex ribs tightly hoop the external threads of the bolt, so that the purpose of preventing looseness is achieved.

The invention provides an improving method of saline and alkaline soil for planting of vegetable, melon and fruit crops. The method comprises the steps as follows: step 1, turning over the saline andalkaline; step 2, scattering 200-250 kg of desulfurization gypsum, 50-80 kg of attapulgite, 8-12 kg of sulfur, 30-50 kg of ferrous sulfate and 5,000-10,000 kg of plant straw on the saline and alkalinesoil per mu and perform uniform mixing. With the adoption of the improving method of saline and alkaline soil, the effects of removing and reducing salt of the saline and alkaline soil, reducing thepH value, loosening the soil, supplementing crops with iron and increasing organic matter of the soil are realized through reasonable proportioning of desulfurization gypsum, attapulgite, sulfur, ferrous sulfate and plant straw, and the effects of regulating the PH value of the soil, loosening the soil, developing root systems and increasing the survival rate of plants under different soil conditions.

The invention discloses a concrete pile head crushing device. The device comprises a machine body, a movable base and supporting arms, wherein the movable base is arranged at the bottom of the machinebody, rolling wheels are installed at four corners of the bottom of the movable base, and the supporting arms are welded on the two sides of the upper surface of the movable base; a rotating shaft ishorizontally arranged at the upper part of the machine body, and the machine body is characterized in that the left end of the rotating shaft is rotationally connected with the supporting arms on theleft side, and the right end of the rotating shaft penetrates through the supporting arms on the right side and extends to the right side of the machine body; and a first servo motor is arranged on the right upper portion of the machine body, the right end of the rotating shaft is welded with an output shaft of the first servo motor, the rotating shaft is provided with two first bevel gears withthe same size, an inner threaded pipe is vertically arranged below the rotating shaft, and the lower end of the inner threaded pipe is connected with a screw rod in a rotating mode. According to the device, the design is reasonable, the pile head which can be crushed is quickly realized, time and labor are saved, the construction difficulty is lowered, the life safety of constructors is guaranteed, and the device is suitable for popularization.

The invention discloses a friction welding fixture, which includes a base and two compressing mechanism arranged symmetrically on both sides of the upper part of the base. The compressing mechanism includes a vertical column, a top compressing assembly for compressing the top of a workpiece and a side face compressing assembly for compressing the side face of the workpiece; the vertical column isinstalled on the upper part of the base, and the top compressing assembly includes a motor, a guide rail, a screw rod, a sliding block, a first lifting part, a top fixing plate, a top moving block, atop flexible pressing plate, a second lifting part and a first spring; the motor is installed in the vertical column, the guide rail is installed horizontally on the upper part of the inner side faceof the vertical column, the screw rod is rotatably connected with the motor, the sliding block is slidably installed on the guide rail, the bottom of the sliding block is connected with a nut, the nutexternally sleeve the screw rod, and the bottom of the inner end of the sliding block is connected with the upper part of the first lifting part; and the lower part of the first lifting part is connected with the top fixing plate, and the sliding block is connected with the top fixing plate through the second lifting part. According to the friction welding fixture, to-be-welded workpieces are conveniently fixed, and the friction welding fixture can be applied to mass production and friction welding of thin plate type workpieces.

The invention belongs to the technical field of anti-vibration hammers and particularly relates to an automatic locking anti-vibration hammer. The hammer comprises a main hammer head and a connectingrod, the two ends of the connecting rod are connected with connecting ejector blocks, and the connecting ejector blocks are connected with the main hammer head which is connected with an adjusting balancing weight; and a pressing arc plate is arranged in the connecting ejector block and connected with a pressing bolt. The middle part of the connecting rod is connected with a connecting sleeve; theconnecting sleeve is sequentially connected with a middle connecting block, a middle connecting rod and a self-locking wire clamp; the self-locking wire clamp comprises an upper clamping plate, a lower clamping plate and a locking pull rod, the lower part of the locking pull rod is provided with second ring teeth, the outer sides of the second ring teeth are provided with locking ring plates, theinner side surfaces of the locking ring plates are provided with first ring teeth, the outer side surfaces of the locking ring plates are connected with pressure springs and guide rods, and the end part of the locking pull rod is provided with a threaded head; the anti-vibration requirements of various overhead lines can be met by adjusting the balancing weight, the position and the angle of thehammer head and other measures, the rapid installation on the overhead lines can be achieved, and meanwhile, the loosening of wire clamping after long-term work can be effectively avoided.

The invention relates to a machine-tool chip discharging device. The machine-tool chip discharging device comprises a chip discharging hopper, a filtering net, an insert rod component and a liquid storage tank, wherein the filtering net is detachably installed on the bottom end of the chip discharging hopper, the insert rod component is located below the filtering net, and the liquid storage tankis located below the insert rod component; the chip discharging hopper comprises two first inclined plates which are oppositely arranged and two second inclined plates which are oppositely arranged, the bottom ends of the two second inclined plates are both provided with gaps, and the outer side of one of the second inclined plates is provided with a push-and-pull component; and the filtering netcomprises a supporting plate and a plurality of through-holes which are arranged in the supporting plate. The machine-tool chip discharging device is simple in structure and convenient to use, a pushing plate passes through one of the gaps and pushes filtered waste chips on the filtering net out towards the other gap, the situation of the waste chips piling up on the filtering net is avoided, theblocking to the filtering net is avoided, a plurality of insert rods insert into the plurality of through-holes, the loosing of the waste chips inside the plurality of through-holes is realized, the waste chips are conveniently pushed out from the filtering net, a cutting-peeling liquid conveniently drops and falls into the liquid storage tank, the recycle of the cutting-peeling liquid is realized, and the cost is lowered.

The invention discloses a home-kept chicken outdoor automatic feeding device. A sliding rod is connected with a supporting rod, the sliding rod and the supporting rod are crossed and arranged at the upper end of the base; a feeding frame is arranged at the front end of a feeding rod; a first sliding block is arranged on the edge side of the feeding rod and cooperates with a sliding rail at the upper end the sliding rod, a rope sleeve is arranged at the lower end of the left side of the feeding rod, the rope sleeve is connected with a winding rube through a pull rope, the winding tube is arranged at the upper end of a winding tube supporting frame, a transmission device cooperates with the winding tube, a pneumatic device cooperates with the transmission device; the sliding rail is arrangedon the left side of the base, a second sliding block is arranged at the lower end of the transmission device and cooperates with the sliding rail, a compression spring is arranged in the spring sleeve tube, the upper end of the compression spring is connected with the feeding rod, a supporting frame is arranged on the left side of the base, a discharging device is arranged on the upper plane of the supporting frame, and a control device is arranged at the upper end of the supporting frame. The invention provides the home-kept chicken outdoor automatic feeding device, free range raising of thechickens on a mountain is convenient, the moving amount of the chickens is improved through feed scattering, and the device has the advantages of simple structure and convenient use.

The invention discloses Zanthoxylum bungeanum cultivation equipment in the technical field of Zanthoxylum bungeanum planting, which comprises two groups of control devices and a plurality of ropes; each control device comprises a mounting assembly, a transmission assembly and a lifting plate; each mounting assembly comprises a base and a plurality of limiting rods fixedly connected to the base; limiting holes penetrating each lifting plate are formed in the lifting plate in the length direction, and one ends, far away from the base, of the limiting rods are positioned in the limiting holes; each transmission assembly comprises a controller for controlling lifting and horizontal movements of the lifting plates, and two ends of the ropes are fixedly connected to the two lifting plates respectively. When the soil of a Zanthoxylum bungeanum land hardens, the lifting plates are controlled to move downwards through the controllers until the ropes are positioned at the depth where the soil issuitable for turning. And then the controllers control the ropes to move back and forth between Zanthoxylum bungeanum plants so as to scarify the hardened soil. When turning is not needed, the heightof the ropes is adjusted, and the ropes are contacted with Zanthoxylum bungeanum, so that stalks of Zanthoxylum bungeanum can be supported, and skewed growth of Zanthoxylum bungeanum is greatly reduced.

The invention relates to a coaxiality adjustment device for camera modules, which comprises a fixed module unit, a module clamping unit, a six-axis unit and a connecting unit. The module clamping unitis supported by the six-axis unit, and can be driven by the six-axis unit to move relative to the fixed module unit. The coaxiality adjustment device for camera modules of the invention has the advantages of simple overall structure, high coaxiality adjustment precision, and convenience of operation.