127results about How to "Easy to contradict" patented technology

The invention discloses a food processing device capable of improving the raw material crushing quality. The food processing device capable of improving the raw material crushing quality comprises a base. A fixing plate and a control panel are separately fixed to the two sides of the base. A groove is formed in one side of the control panel, and an adjustment mechanism is arranged in the groove. Arotary disc, an installation block and an ejection plate are arranged on the adjustment mechanism. A power mechanism is arranged on the ejection plate and corresponds to the installation block. A crushing barrel is detachably connected to the ejection plate. The food processing device is convenient to move and fix, and the stability of the food processing device is well guaranteed; the positionsof crushing knives can be rapidly adjusted to prevent raw material from adhering to the inner wall of the crushing barrel, and the angle of the crushing barrel can be adjusted to enable the crushing knives to rise or fall during rotation, so that the crushing quality and efficiency are improved; accumulation of the raw materials can be effectively avoided, so that all the raw materials are effectively crushed; and the food processing device can be sealed effectively and is convenient to clean, and the service life of the food processing device is prolonged.

The invention discloses a yarn sizing device for textile, and belongs to the technical field of textile equipment. The device comprises a sizing mechanism, a receiving mechanism, a discharging mechanism and a scraping mechanism, wherein the discharging mechanism comprises a discharging assembly and a yarn limiting assembly, the yarn limiting assembly is arranged at the right end of the dischargingassembly, the scraping mechanism comprises a top-surface scraping assembly and a bottom-surface scraping assembly, the top-surface scraping assembly is arranged above the bottom-surface scraping assembly, the bottom-surface scraping assembly comprises a scraping assembly and a lifting assembly used for driving the scraping assembly to rise and fall, and the scraping assembly is arranged at the top of the lifting assembly. The yarn sizing device for textile has the advantages that scraping can be automatically performed on yarn through the scraping mechanism, thereby ensuring the surface thickness of warp yarn; the tension of the yarn can be automatically adjusted through the yarn limiting assembly, thereby avoiding the phenomena of breakage, abrasion and the like of the yarn during transport.

The invention relates to the technical field of concrete pipe pile preparation, in particular to a concrete pipe pile preparation device which comprises a pouring mechanism, a supporting mechanism, a braking mechanism, a rotating mechanism, a locking mechanism and a limiting mechanism. The pouring mechanism can be conveniently placed under the action of the supporting mechanism, subsequent placing and injecting of concrete and a reinforcement cage are facilitated, accordingly, production and prefabrication of concrete piles are conducted, the braking mechanism is installed on the inner side of the bottom of the supporting mechanism, the supporting mechanism can be conveniently limited under the action of the braking mechanism, and random movement is prevented; meanwhile, under the action of the limiting mechanism, the pouring mechanism can be pressed against and limited, the pouring mechanism is prevented from rotating at the top of the supporting mechanism, the pouring mechanism can be conveniently closed and separated under the action of the locking mechanism, and concrete pouring and demolding work are facilitated; and under the action of the rotating mechanism, centrifugal work can be conveniently conducted on the pouring mechanism, and concrete pile forming and firmer forming are facilitated.

The invention relates to the technical field of steel bar machining equipment and discloses a steel bar bender. The steel bar bender comprises a workbench. The workbench is provided with a rotary table and a positioning block. The rotary table is eccentrically provided with a movable bending pin and concentrically provided with a positioning pin. The workbench is further provided with a feeding device. The feeding device comprises a storage frame, a feeding arm, a feeding motor and a feeding slide rail which are all sequentially arranged. The storage frame is arranged on the workbench. Steel bars are sequentially arranged on the storage frame. The feeding motor is arranged on the workbench. One end of the feeding slide rail is arranged near the feeding arm, and the other end of the feedingslide rail is arranged above the positioning block and the positioning pin. The feeding slide rail is obliquely and downwards arranged in the steel bar conveying direction. The feeding motor drives the feeding arm to rotate so that the steel bars on the storage frame can be sequentially sent onto the feeding slide rail. According to the steel bar bender, the feeding device is used for carrying out automatic feeding on the steel bars, the structure is simple, and the labor intensity of workers is reduced.

The invention relates to the technical field of municipal water conservancy equipment, and discloses a municipal water conservancy pipeline dredging and cleaning device. The pipeline dredging and cleaning device comprises a base; moving wheels are fixedly installed at the four corners of the bottom of the base; a cavity is formed in the base; a hydraulic cylinder is fixedly installed in the cavity; a piston rod of the hydraulic cylinder is fixedly connected with a supporting plate; two side plates are fixedly connected to the upper surface of the supporting plate; an L-shaped plate is fixedly connected to the side wall of one end of the supporting plate; a double-shaft motor is fixedly installed on the side wall of the side plate close to the L-shaped plate; two output ends of the double-shaft motor are fixedly connected with a rotating shaft and a driving shaft respectively; the end, away from the double-shaft motor, of the rotating shaft sequentially penetrates through the two side plates and is fixedly connected with a column body; the rotating shaft is rotationally connected with the corresponding side plate; and the end, away from the double-shaft motor, of the driving shaft penetrates through the L-shaped plate and extends outwards. According to the pipeline dredging and cleaning device, a blocked pipeline can be dredged conveniently, and garbage and residual dirt attached to the inner wall of the pipeline can be cleaned conveniently.

The invention relates to the technical field of motors, in particular to a motor with an anti-corrosion driving shaft. The motor comprises a motor body, wherein a driving shaft is arranged on the motor body, an abutting mechanism is installed on the driving shaft, a plurality of sets of fixing mechanisms are installed on the motor body, a lubricating mechanism is installed on the motor body, an oil injection mechanism is installed in the lubricating mechanism, and the motor body is connected with a dustproof mechanism and is provided with a sealing mechanism. Through the effect of the fixing mechanisms, the motor and external equipment can be conveniently installed and fixed; an external gear can be conveniently installed under the effect of the abutting mechanism, and the gear can be stably clamped and conveniently disassembled; under the effect of the sealing mechanism, an external cable of the motor can be conveniently sealed to prevent water from entering the interior of the motor to cause damage; the motor and the driving shaft are indirectly lubricated under the action of the lubricating mechanism, so the working efficiency of the motor is improved; and lubricating oil is conveniently injected under the action of the oil injection mechanism, and the lubricating oil is prevented from overflowing.

The invention relates to the technical field of overturning type manipulators, in particular to an overturning type adjustable manipulator based on an intelligent robot and a using method of the overturning type adjustable manipulator. The overturning type adjustable manipulator comprises a manipulator body, an adsorption mechanism is detachably connected to the manipulator body, a plurality of clamping mechanisms are connected to the manipulator body, an adjusting mechanism is installed in the adsorption mechanism, a limiting mechanism is mounted in the adsorption mechanism, a connecting mechanism is mounted in the adsorption mechanism, a protection mechanism is mounted in the adsorption mechanism, and a moving mechanism is mounted in the manipulator body. The adsorption mechanism is used for conveniently and rapidly adsorbing and overturning plates, the connecting mechanism and the protection mechanism are matched for conveniently and rapidly connecting and disassembling the adsorption mechanism and the manipulator body, looseness and separation caused by air pressure change are prevented, the plates of different sizes are conveniently adsorbed and machined under the action of the adjusting mechanism and the limiting mechanism, and under the action of the moving mechanism, the manipulator body can conveniently move on the ground and can be conveniently used in different areas.

The invention discloses a compression cracking prevention necking machine for the shell head of a clamping plate type male joint shell. The necking machine structurally comprises a bottom control box,a top supporting plate, a necking box and a necking pressing pipe. The bottom end of the top supporting plate is welded to the upper surface of the bottom control box. When an object is guided in through a necking channel, an ejector head buckle angle can be jacked along the necking top plate, and the end head of the object is enabled to butt an outer sticking layer according to an outward push force; an external force is borne by an inner top arc opening in the outermost side, and the inner top arc opening is clamped between a middle supporting corner and the outer sticking layer, and an outer propping arc can uniformly distribute and slide the force of the outer layer, so that the external force can be better propped against the inside; when the pockets are stressed to swing, the stacked layer is compressed so that the object is clamped in the outer sticking layer in a better way, and the object is subjected to double-layer fixed necking so that the whole object performs extruding against a necking and expanding corner to come out smoothly. When the clamping plate type male joint is subjected to necking compression, the two layers of the clamping plate type male joint can be clamped and fixed and necked at the same time, so that the clamping plate type male joint is prevented from cracking due to stress on the upper layer.

The invention discloses a computer case which can efficiently dissipate heat and is excellent in protection performance. First openings are formed in the two sides of the machine box, a second openingis formed in the other side of the machine box, a power mechanism is arranged on one side of the top in the machine box, a first synchronous belt is arranged on the power mechanism, a reciprocating transmission mechanism is arranged on the first synchronous belt, and a vertical plate is arranged on the reciprocating transmission mechanism. According to the invention, the fan blades can do reciprocating motion during rotation; efficient flow of air is facilitated, the quality of air entering the case can be ensured; therefore, efficient and high-quality heat dissipation can be carried out in the case; and the rotating speed of the fan blades can be automatically controlled, adjustment can be conveniently conducted according to the use condition of equipment, the heat dissipation quality isbetter guaranteed, the temperature in the case is effectively reduced, protection can be effectively conducted, external collision can be effectively resisted, the stability of the case is guaranteed, and the service life of internal parts of the case can be prolonged.

The invention relates to the technical field of tableware recycling, in particular to a cart for quickly and conveniently cleaning canteen tableware. The cart comprises a box body, a placement mechanism, a collecting mechanism, a recycling mechanism, a driving mechanism, a shaking mechanism and an abutting mechanism; under the action of the placement mechanism, tableware needing to be recycled canbe stacked for one-time recovery; meanwhile, under the action of the recycling mechanism, residues adhered to tableware can be collected and stored, thus facilitating subsequent cleaning; under the action of the collecting mechanism, soup and water infiltrated into the inner side of the bottom of the box body can be collected and stored, so that pollutions are reduced; and meanwhile, under the action of the abutting mechanism, tight abutting against the collecting mechanism is facilitated, and shaking is prevented; through installation of the driving mechanism and the bottom of the box body,the box body can be moved conveniently; meanwhile, when the box body moves, the driving mechanism drives the shaking mechanism to act, and therefore chippings adhering to tableware placed in the placement mechanism fall off.

The invention provides a water storage device located at a floor drain of a house. The water storage device at the floor drain of the house comprises a limiting sleeve, a connecting pipe, a sealing structure, a first filter structure, a second filter structure and a drainage structure, wherein the second filter structure comprises two water storage sleeves, a positioning rod, a filter sleeve, a second limiting ring, a plurality of first anti-blocking blocks, a plurality of anti-blocking teeth and a plurality of drainage holes, the second limiting ring is clamped with the connecting pipe, the filter sleeve for filtering hair is fixed to the second limiting ring, the multiple first anti-blocking blocks are arranged on the inner surface of the latticed filter sleeve of a hemispherical structure in a staggered mode, and the multiple anti-blocking teeth are linearly distributed on the first anti-blocking blocks; and the drainage structure comprises a plurality of through holes, a third limiting ring, a reset spring, a sliding rod, a sealing plug and a check block. The water storage device at the floor drain of the house has the advantages that a pipeline in a bathroom is automatically sealed conveniently, anti-blocking performance is good, and the hair is convenient to clear.

The invention relates to the field of crankshafts, in particular to a crankshaft. The crankshaft comprises a main shaft, cavities, sliding grooves, oil filling holes, oil filling channels, crankshaftarms, main journals, connecting rod journals, supporting mechanisms, balls, sliding rods, baffle blocks, first springs, pistons, a bearing, oil filling mechanisms, clamping blocks, rotary columns, connecting blocks and second springs. According to the crankshaft, through the use of the supporting mechanisms arranged on the connecting rod journals, when connecting rods rotate on the connecting rodjournals included in the crankshaft, the connecting rods are supported by the supporting mechanisms, and the friction between the connecting rods and the connecting rod journals is reduced; and when the connecting rods rotate to extrude the supporting mechanisms, the supporting mechanisms extrude lubricating oil, so that the lubricating oil can better abut against the oil filling mechanisms, the oil filling mechanisms can better block off the oil filling holes, and in the back-and-forth movement process of the supporting mechanisms in the sliding grooves, the connection parts of the supportingmechanisms and the connecting rods are moistened by the lubricating oil, so that the friction between the connecting rods and the connecting rod journals is reduced advantageously.

The invention relates to the technical field of unmanned aerial vehicle dry powder spraying, in particular to an electric power inspection unmanned aerial vehicle dry powder spraying device facilitating feeding, which comprises an unmanned aerial vehicle body, a supporting mechanism, a discharging mechanism, a spraying mechanism, a locking mechanism, a stabilizing mechanism and a control mechanism, the unmanned aerial vehicle body can be supported under the action of the supporting mechanism, the damping and compression resisting effects are achieved during landing, meanwhile, the supporting mechanism can abut against the ground stably and is resistant to skid under the action of the stabilizing mechanism, dry powder can be stored and carried under the action of the discharging mechanism, follow-up feeding work is facilitated, and meanwhile, under the action of the spraying mechanism, dry powder can be sprayed out to extinguish fire, under the action of the locking mechanism, the discharging mechanism and the unmanned aerial vehicle body can be stably clamped, disassembly is convenient, under the action of the control mechanism, the locking mechanism can be conveniently controlled and unlocked, and the discharging mechanism can be conveniently disassembled by itself.

The invention discloses a high-rise building hollow glass high-speed cleaning device. The device comprises a building body, wherein a lifting mechanism is arranged on the building body, a box body is connected to the lifting mechanism, an adapting mechanism is arranged on the box body, two supporting shafts are arranged on the adapting mechanism, a transverse shaft is arranged on the adapting mechanism, four transverse rods are slidably connected to the box body in a sleeving mode, every two transverse rods in the same horizontal plane form a group, a rotating shaft is rotationally connected between every two transverse rods, cleaning rollers are installed on the rotating shafts, every two rotating shafts are in transmission connection through a transmission belt, and transmission wheels are installed on the transverse rods. The cleaning device can well ascend and descend according to needs, can effectively and automatically operate, can enable a cleaning roller to rapidly rotate, can well recycle and improve the utilization rate of a cleaning solution, improves the cleaning quality, can effectively scrape water to improve the cleaning quality, and guarantees cleaning of glass.

The invention discloses a precise numerical control machine tool. The precise numerical control machine tool comprises a machine body. One side of the lower end of the machine body is rotatably connected with an oil cylinder. A bearing rod is rotatably connected to the tail end of a piston rod of the oil cylinder in a sleeving mode. Connecting rods are rotatably connected to the two ends of the bearing rod in a sleeving mode. One ends of the connecting rods are rotatably connected to one side of the lower end of the machine body in a sleeving mode. Two ends of the bearing rod are provided withfirst rotating wheels. One side of the lower end of the machine body is fixedly provided with two mounting pieces. A first fixing shaft is rotatably connected to the two mounting pieces jointly in asleeving mode. According to the precise numerical control machine tool, the position of a roller can be conveniently controlled, so that the roller or a bottom plate makes contact with the ground; when the roller makes contact with the ground, the position of the roller is convenient to adjust, positions of the bottom plate and the machine body relative to each other can be well adjusted and fixed, the stability of the machine body can be guaranteed, the machining quality can be improved, and meanwhile, the position of a first baffle can be well fixed, the situation that the first baffle collides with the machine body excessively is avoided, effective shielding can be ensured, and workers are protected.

The invention discloses a handheld reconnaissance instrument with an auxiliary supporting structure and application, and relates to the technical field of handheld reconnaissance instruments. The handheld reconnaissance instrument comprises an instrument body and a supporting device, the supporting device is located at the lower end of the instrument body, and detection lenses are fixedly installed at the two sides of the front end face of the instrument body; and a lower disc is fixedly mounted at the lower end of the supporting device, supporting legs are rotationally connected to the periphery of the lower end face of the lower disc, a lower rotating disc is rotationally connected to the middle of the lower end face of the lower disc, and a rotating threaded rod is rotationally connected to the middle of the upper end face of the lower rotating disc. According to the handheld reconnaissance instrument, the instrument body can be well supported, the height of the instrument body can be conveniently adjusted by external personnel, a better adjusting effect is achieved, the whole instrument body can be separated from the supporting device, the instrument body can be conveniently disassembled and assembled by the external personnel, and therefore better disassembling and assembling efficiency is achieved.

The invention relates to a fluid mixing mechanism. The fluid mixing mechanism comprises a joint assembly, one-way valves and a mixing tube. The joint assembly has two or more fluid channels. A fluid to be mixed is fed into the fluid channel through one end of the fluid channel. The one-way valves comprise two or more valves. The one-way valves are corresponding to the fluid channels. The one-way valves are arranged in the fluid channels. The mixing tube is communicated with the other end of the fluid channel. After the fluid to be mixed enters the fluid channels of the joint assembly, the fluid channels are provided with the one-way valves so that the fluid to be mixed only can flow along a single direction and is mixed in the mixing tube and countercurrent phenomenon is avoided. In preparation of coagulated mixed glue or mixed slurry, the fluid mixing mechanism prevents coagulation and clogging caused by the mixed glue or mixed slurry countercurrent flowing into a feeding channel or a feeding pipe.

A dental extraction auxiliary device for stomatology department comprises a first partition plate, a second partition plate is arranged on one side of the first partition plate, second openings are formed in the first partition plate and the second partition plate, a square tube is fixed to one side of the second partition plate, one second opening corresponds to the square tube, and the other second opening corresponds to the square tube. One end of the square pipe penetrates through the second opening and extends to one side of the first partition plate, the second partition plate is connected with a positioning mechanism, the positioning mechanism is connected with the first partition plate, the second partition plate is provided with a regulation and control mechanism, and the regulation and control mechanism is connected with the first partition plate. The mouth of a patient can be opened, the opening size can be effectively fixed, meanwhile, the tongue of the patient can be wellpressed, it is avoided that random movement of the tongue affects tooth extraction of medical staff, saliva in the oral cavity of the patient can be effectively absorbed through gauze, and the patientis prevented from being choked; and the patient can stably cooperate with medical personnel to carry out a tooth extraction operation.

The invention discloses a mist sprayer for forestry pest control and a using method, and relates to the technical field of mist sprayers. The mist sprayer comprises a frame plate and an ejector, wherein a connecting hose is fixedly connected between the frame plate and the ejector, movable wheels are fixedly mounted at the corners of the periphery of the lower end face of the frame plate correspondingly, a storage frame is fixedly mounted on one side of the upper end face of the frame plate, and a water tank is fixedly mounted on the other side of the upper end face of the frame plate; screw covers are rotationally connected to the two sides of the middle of the upper end face of the water tank, a built-in rotating cylinder is rotationally connected to the middle of the inner part of the water tank, and a rotating gear disc is fixedly mounted at the position, close to the lower end, of the annular outer surface of the built-in rotating cylinder. According to the mist sprayer for forestry pest control and the using method, not only can a material body in a transmission rotating cylinder be effectively and fully mixed with liquid in the water tank, so that a better mixing effect is achieved, but also external personnel can conveniently hold and pinch a built-in holding and pinching shaft, and the phenomenon that the built-in holding and pinching shaft falls off in the holding and pinching process is avoided.

The invention relates to the technical field of steel plate cutting, in particular to a steel plate cutting device with high in positioning precision based on laser cutting. The device comprises a cutting machine body, a mounting frame, an abutting structure, a telescopic structure, an adjusting structure, a clamping structure and an opening and closing structure, wherein the side face of a placed steel plate can be supported in an abutting mode through the abutting structure, so that the fixing effect on the steel plate is improved, and meanwhile, the steel plate positioning efficiency is improved. The other side of the steel plate can be clamped through the clamping structure, and therefore the stability of the steel plate in the cutting process is guaranteed. Sweeps and finished products generated in the steel plate cutting process can be received through the telescopic structure, and meanwhile, the finished products can be conveniently taken out, and accurate butt joint of receiving positions is guaranteed. The received cutting sweeps can be conveniently swept away through the opening and closing structure, so that the practicability is high. The cutting position of the steel plate can be accurately adjusted through the adjusting structure, so that the long steel plate which is longer can be accurately positioned and cut.

The invention discloses a thermal shrinkage film cutting device for packing boxes. The device comprises a table body, an upper cutting knife, an anti-sticking structure, a lower cutting knife, an ejection structure, a fixed structure, a fixed groove, a rotating structure, support columns, grooves, a handle, a film sticking groove and a slide chute. The thermal shrinkage film cutting device for packing boxes has the beneficial effects as follows: when a fixed block drives an ejection block to rotate, the ejection blocks extrudes a fixed rod, the fixed rod is enabled to rotate in the table body,a compression spring shrinks to produce elastic force, the fixed rod pushes an ejection rod upwards during rotating, the ejection rod slides out of the lower cutting knife, the upper cutting knife and the lower cutting knife are contacted better, cutting of a thermal shrinkage film is facilitated, the fixed rod is propped against the bottom end of a slide rod during continuous rotating, the sliderod is pushed upwards, the ejection rod enters the upper cutting knife from a fixed hole, a lever is pushed to rotate in the upper cutting knife, a press rod is pushed to slide out of the upper cutting knife, the press rod is enabled to push a thermal shrinkage film which is cut between the upper cutting knife and the lower cutting knife, and the cut thermal shrinkage film is enabled to turn downwards.

The invention discloses a box girder support mounting trolley which comprises a chassis, universal walking wheels, a driving lifting frame, a driven lifting frame, a driving cylinder, a tray, a fine adjustment device and an antiskid device. The universal walking wheels are connected on the lower end surface of the chassis, the bottom end of the driving lifting frame is hinged onto the chassis, the driven lifting frame is connected with the driving lifting frame in an intersected manner, the driving cylinder is fixed on the chassis, the tray is connected at the top end of the driving lifting frame and the driven lifting frame, and the fine adjustment device and the antiskid device are arranged in the tray. According to the trolley, the tray is lifted through the lifting frames, a box girder support is supported by the tray, alignment of the box girder support is adjusted through the fine adjustment device, and the box girder support is firmed through the antiskid device. By the aid of the box girder support mounting trolley, operating efficiency is improved, equipment investment is decreased, safety and quality accidents caused by improper operation are eliminated, and finished products and semi-finished products are effectively protected.

The invention discloses a quick replacement system device for a highway guardrail plate. The device comprises a movable base, wherein a material containing mechanism is arranged on the movable base; a power mechanism is arranged on the movable base; a supporting frame is fixed to the movable base; two fixing plates are installed on the supporting frame; pulleys are mounted at the two ends of the two fixing plates; and two positioning mechanisms are arranged on the supporting frame. The invention further provides an application method of the quick replacement system device for the highway guardrail plate. The application method comprises the following steps that S1, the guardrail plate is placed at the upper ends of the two sliding plates, and the guardrail plate is located between the supporting frame and a baffle. The guardrail plate can be well placed, the guardrail plate can be conveniently driven to move according to needs, the labor intensity of workers is reduced, meanwhile, clamping plates and fixed parts can be well matched to clamp the guardrail plate through the cooperation of springs and first screws, the guardrail plate can be well adjusted to the proper height and fixed, and installation is convenient.

The invention discloses a building hollowing detection repairing device for puncture material injection and a detection method thereof. The device comprises a supporting main plate, wherein main driving motors are fixedly connected to the lower left side of the supporting main plate in pairs in a front-back mode, main pin rollers are horizontally and fixedly connected to the main shaft ends of themain driving motors, a wall attaching mechanism is arranged on the upper side of the supporting main plate, an electric guide rail is arranged above the supporting main plate, and a detection hammerhead is arranged on the electric guide rail. According to the device, when the impact frequency of the detection hammer head is adjusted according to the wall surface condition needing to be detected,several groups of paired linkage top plates are selected to slide to the front end of a rotating column along a third strip-shaped sliding groove, so that the linkage top plates with the corresponding number can conveniently abut against and impact a linkage plate in sequence; and when the whole device moves along the wall surface, a linkage roller rolls along the wall surface, so that the linkage top plates on the rotating column continuously extrude the linkage plate leftwards, the linkage plate moves leftwards to enable a second spring to be stretched, and then the detection hammer head moves leftwards to store force and then collides with the wall surface.

The invention discloses a multifunctional mobile hard disk cartridge for a computer. The cartridge comprises a bearing box, a cover plate is hinged to one side of the bearing box, a rotating groove isformed in one side of the cover plate, two connecting grooves are formed in the side wall of one end in the rotating groove, an adjusting mechanism is arranged in the two connecting grooves together,a rotating shaft is arranged on the adjusting mechanism, and one end of the rotating shaft is rotatably connected to the cover plate in a sleeving mode. According to the invention, the machine body can be firmly clamped, so the machine body can be effectively protected; meanwhile, heat can be effectively dissipated during working; therefore, the service life of the machine body is prolonged; through structural matching, an external force can be effectively prevented from directly acting on the machine body; the machine body can be well fixed through double clamping, so collision among the machine body, the bearing box and the cover plate under the action of the external force can be avoided, the purpose of protecting parts in the machine body is achieved, loosening of connection of the parts in the machine body due to excessive collision is avoided, and efficient and rapid data reading and use are guaranteed.

The invention discloses a positioning clamp for a precise numerical control lathe. The positioning clamp comprises a fixed base and a sliding base. The sliding base is fixedly mounted in the middle ofthe upper end of the fixed base. A sliding abutting block is arranged in the middle of the upper end of the sliding base. An adjusting screw is arranged on the inner side of the outer end of the sliding abutting block. A shaft rod fixing block is arranged at the position, located on the fixed base, of the outer side of the rear end of the adjusting screw. A rotating handle is arranged at the outer end of the adjusting screw. Through the sliding abutting block comprising a sliding convex block, an abutting soft cushion, an abutting metal block and an inner screw hole, fixed abutting is facilitated; the sliding abutting block is connected to the sliding base in a sleeving manner through the sliding convex block, the abutting metal block is more convenient to move, and therefore sliding usage is facilitated; and the abutting metal block passes through the inner screw hole in the rear end, and therefore an object is fixed conveniently, and during abutting, abutting is more stable and convenient through elasticity of the abutting soft cushion.

The invention discloses a contact support supporting mechanism in an auxiliary switch, which comprises a shell, wherein the shell is internally provided with a contact support arranged in a sliding mode, the contact support is provided with a moving contact, the shell is further internally provided with a static contact, the moving contact moves along with the contact support so as to be abutted against or away from the static contact, the contact support and the shell are provided with a kicking elastic member therebetween in an abutting manner, the kicking elastic member includes a first position which is abutted against the contact support to enable the moving contact to be away from the static contact and a second position which is abutted against the contact support to enable the moving contact to be abutted against the static contact, one end of the kicking elastic member is arranged on the inner wall of the shell in a swinging manner, and the other end is abutted against the side wall of the contact support in a swinging manner. The contact support supporting mechanism is simple in structure, the contact support can be effectively supported, the excitation energy required for state switching is small, the contact support is small in stress, and the service life is prolonged.