41results about How to "Play a role in error prevention" patented technology

The invention discloses a testing fixture of position accuracy of a back hole of an exhaust pipe. The testing fixture includes a base plate; cushion blocks are respectively arranged at a left end and a right end of the base plate; cylindrical positioning pins are arranged on all the cushion blocks; supports are arranged at a left end and a right end of an upper edge of the base plate and an intermediate section of a lower edge of the base plate; guide blocks are arranged at top ends of all the supports; plug holes are arranged on the guide blocks; and plugs are arranged inside the plug holes. According to the invention, the testing fixture has advantages of simple structure, convenient detection, fastness, and high detection efficiency.

The invention discloses a detection device for the lateral position and end surface of a gas exhaust manifold, wherein the detection device comprises a base plate and a support; a support is fixed at one side of the base plate, and a plurality of vertical detection plates are arranged at the other side of the base plate; the detection plates are provided with detection pins; rapid clips are respectively arranged at the left and right ends of the support; and a plurality of backing plates are arranged between the left and right rapid clips. The detection device for the lateral position and end surface of the gas exhaust manifold is compact in structure, is simple to detect and is convenient to use.

The invention relates to an automatic assembly line unclamping system. The system comprises a locking mechanism, an automatic unlocking device, an optoelectronic switch and a controller, wherein the locking mechanism comprises a guide rail, a sliding block and a spring; the unlocking device comprises an air cylinder, an electromagnetic valve, a push rod and a bracket; a pneumatic device of the air cylinder is connected with the controller through the electromagnetic valve; the optoelectronic switch transmits detection signals to the controller; the controller controls the electromagnetic valve to act; when the electromagnetic valve is energized, the air cylinder acts to enable the push rod to move and push the sliding block to move in the direction opposite to a workpiece, so as to unlock the workpiece; when the electromagnetic valve is de-energized, the air cylinder is restored, the push rod is separated from the sliding block, and the sliding block continuously locks the workpiece under the restoring force of the spring. The system realizes the linked automatic clamping and unclamping of the workpiece by a clamp, and when the clamp reaches a position, the unlocking device performs automatic unlocking on the clamp, so that the system is not only convenient to operate, but also ensures that the clamp can not be unlocked manually, and has a mistake proofing effect.

The invention discloses a perpendicularity and location degree gauge of an end face size of an air exhaust pipe, comprising a gauge body, wherein brackets are respectively arranged at the left and right two ends of the gauge body; detection pins are arranged on the left and right two brackets in a penetrating manner; a plurality of cushion blocks are arranged on the gauge body between the left and right two brackets; left and right two double-head studs are arranged at one side of the gauge body between the left and right two brackets; the double-head studs are sleeved with springs; pressing plates are arranged at the upper ends of the springs and butterfly-shaped nuts are arranged above the pressing plates. According to the perpendicularity and location degree gauge, the detection pins can be ensured to be not abraded, the accidental loss of the detection pins can be prevented, and the detection efficiency is improved.

The invention discloses an intelligent narcotic and psychotropic medicine management cabinet. A main cabinet body is internally provided with a plurality of groups of storage partition layers, storagebuckets are arranged on each group of storage partition layers, a cabinet door is rotatably arranged on the main cabinet body, and a door handle is arranged on the cabinet door; an auxiliary cabinetbody is connected side by side to the main cabinet body, and a control screen is arranged at the front end of the auxiliary cabinet body; a fingerprint recognition device and an RFID card reader are arranged at both ends of the control screen correspondingly, a facial recognition device for recognizing face and a code scanner for scanning medicine barcode information are arranged under the controlscreen; a medicine review desk is arranged on the auxiliary cabinet body and is located under the code scanner, and a medicine placement tray for storing review medicines is placed on the medicine review desk; a state indicator for displaying the working state of the medicine review desk is arranged under the medicine review desk; a file placement drawer and a medicine bottle recovery drawer arearranged on the auxiliary cabinet body; and foot cups are arranged at the bottom of the main cabinet body and the bottom of the auxiliary cabinet body correspondingly. According to the intelligent narcotic and psychotropic medicine management cabinet, the medicine storage effect is good, and the accuracy of medicine data and the safety of devices are ensured.

The invention discloses a mistake-proof detection method for a structural member assembly in manufacturing industries of automobiles, machines or home appliances. The mistake-proof detection method comprises the following steps: I, defining a structural member assembly to be detected; II, setting a detection mold, and arranging the detection mold in detection equipment, wherein the detection mold is matched with the size of the structural member assembly to be detected; III, arranging a plurality of photoelectric switches in the detection equipment; IV, arranging a plurality of RGB digital optic fiber sensors in the detection equipment; V, arranging a plurality of digital laser sensors in the detection equipment; VI, calibrating the RGB digital optic fiber sensors and the digital laser sensors; VII, placing the structural member assembly to be detected in the detection mold, starting the detection equipment and an industrial control computer, analyzing and processing received data by the industrial control computer, and outputting a detection result to a display for displaying. The mistake-proof detection method can be widely applied to automated test systems in the fields of the automobiles, the motorcycles, the machines, the home appliances and the like.

The invention discloses a motor stator and engine base positioning structure and a fault diagnosis method thereof. The motor stator and engine base positioning structure comprises a rotor, a stator punching plates and an engine base; positioning protrusions are arranged on the outer circumference of the stator punching plates and are used for positioning; positioning grooves arranged in the engine base are capable of being mutually matched with the positioning protrusions, and circumferential positioning with the stator is achieved; the shape of the positioning protrusions and the positioning grooves is one of semicircular shape, trapezoid shape and rectangular shape. A protrusion structure is arranged on the outer circumference of the stator punching plates, the stator punching plates are pressed in an overlaying manner to form the stator with the positioning protrusions, the stator is matched with the positioning grooves in the inner wall of the engine base, and circumferential positioning of the stator is achieved; noise reduction signals are decomposed by adopting an EMD decomposition method, the neighboring signals are combined by adopting a CMF method, and the vibrating signals which are more smooth, stable and complete can be acquired; motor fault diagnosis is performed through a wavelet packet decomposition and BP neural network method, motor fault can be detected timely and accurately, and loss brought by the motor fault is prevented.

The invention discloses an oil pressure buffer, and relates to the technical field of elevator safety components. The oil pressure buffer comprises a cylinder body, a piston, a piston rod, a throttlering and a throttle cone rod, wherein the throttle ring is positioned in the center of the piston; the throttle cone rod is installed in the cylinder body below the piston; the inner diameter of the throttle ring is larger than the outer diameter of the throttle cone rod and the throttle ring and the throttle cone rod are coaxially arranged; a first communication hole is formed in the bottom of the piston rod; a second communication hole positioned above the throttle ring is formed in the center of the top of the piston; a third communication hole positioned below the throttle ring is formed in the center of the bottom of the piston; and the first communication hole, the second communication hole and the throttle ring communicate with the third communication hole in sequence. According tothe oil pressure buffer, a gap between the throttle ring and the throttle cone rod is increased, and communication holes with different pore diameters are formed in the upper portion and the lower portion of the throttle ring, so that the oil feeding rate and the oil feeding amount are increased, the oil feeding speed is obviously improved, and the problem that the oil pressure buffer takes too long to fill hydraulic oil is solved.

The invention discloses a transfer tooling for semi-finished products in an automobile welding workshop. The transfer tooling comprises a tooling frame, workpiece hooks, a handle, universal wheels and directional wheels, wherein the tooling frame comprises support plates which are arranged on the right side and the left side and a support which is arranged on the support plates, support rods are arranged on the support, the workpiece hooks are arranged on the support rods, the support plates, the support, the support rods and the workpiece hooks are welded and fixed, the universal wheels are arranged below the left-side support plate, the directional wheels are arranged below the right-side support plate, and the handle is arranged on the left side surface of the bracket. When the tooling is used, the labor of staff is saved, the shape of the tooling is simple, the transfer tooling is convenient to use, the staff knows that the workpieces on the tooling can not be warehoused, so that mistakes can be prevented; the quality problem such as extrusion deformation caused by conventional box storage is reduced, the number is clear, the transfer tooling is standardized, and the in-situ 5S management is improved.

The invention discloses a detection device for dimensions of a flange thread hole and an end surface of an exhaust pipe, wherein the detection device comprises a base plate and multiple detection plates; the lower side edge of the base plate is provided with of the multiple detection plates; each detection plate is provided with a plurality of detection pins; the upper surface of the base plate is provided with a plurality of cushion blocks; each cushion block is provided with a plurality of spacing pins; a double-end stud is fixedly installed at the right end of the base plate; a pressing plate is sleeved on the double-end stud; the middle of the pressing plate is provided with a strip-shaped hole; a butterfly nut is installed on the top end of the double-end stud in a matching mode; and the upper and lower positions of the pressing plate are regulated through the butterfly nut. According to the invention, the detection pins can be ensured not to be abraded, and the detection is prevented from the loss by accident.

The invention discloses a device for preventing the errors of the rotation direction of a connector of an air compressor. The device comprises a connecting block, a scaleplate, a swing rod screw, a swing rod and a pendulum bob, wherein a cylindrical plug connected with the connector of the air compressor in an adaptive inserting mode is arranged at one end of the connecting block; arc scales are marked on the scaleplate, and the scaleplate is fixed to the other end of the connecting block; the swing rod screw is fixed to the circle center of the arc scales of the scaleplate in a threaded mode, a swing rod via hole is formed in the head of the swing rod screw, and two end openings of the swing rod via hole are both provided with ball sockets; a stop head is arranged at one end of the swing rod, and the inner end of the stop head is provided with a bulb in spherical surface contact with the ball sockets of the end openings of the swing rod via hole; the pendulum bob is arranged at the other end of the swing rod in a penetration manner. The device for preventing the errors of the rotation direction of the connector of the air compressor is inserted into the connector of the air compressor. The angle relationship between the central line of the connector and the air compressor is freely adjusted according to the scale of the pendulum bob relative to the scaleplate. The installing quality is guaranteed. The error-prevention function is actually realized. The assembling quality is guaranteed.

The invention belongs to the technical field of intelligent controllers, and particularly relates to a novel 12-core intelligent controller and cable connector. The novel 12-core intelligent controller and cable connector comprises a mining electric control product communication cable, and is characterized in that the mining electric control product communication cable comprises a shell, a cable copper joint, a cable wire, a cable shielding layer and a steel wire braided sheath wire. The mining electric control product communication cable is connected with a liquid crystal screen and a 12-core cable, and efficient, rapid and multi-path communication of information between underground electric appliance products such as electro-hydraulic controllers and between electric control systems can be achieved. Through setting of the controller, simultaneous multiplexing of CAN communication and network communication can be realized, correct and efficient transmission of signals are ensured, and a plug-and-play function is realized. Communication signals of a 12-core cable conductor in the cable are in one-to-one correspondence with terminal wire sequences, and the cable is provided with a power supply cable, two communication cables and eight core network cables; outer skins with different colors are adopted for different types of cables, so an error-proofing effect is achieved; and the eight core network cables are formed by winding four twisted pairs (eight twisted wires) of super 6-type data cables.

The invention discloses a detection device for dimensions of a flange thread hole and an end surface of an exhaust pipe, wherein the detection device comprises a base plate and multiple detection plates; the lower side edge of the base plate is provided with of the multiple detection plates; each detection plate is provided with a plurality of detection pins; the upper surface of the base plate is provided with a plurality of cushion blocks; each cushion block is provided with a plurality of spacing pins; a double-end stud is fixedly installed at the right end of the base plate; a pressing plate is sleeved on the double-end stud; the middle of the pressing plate is provided with a strip-shaped hole; a butterfly nut is installed on the top end of the double-end stud in a matching mode; and the upper and lower positions of the pressing plate are regulated through the butterfly nut. According to the invention, the detection pins can be ensured not to be abraded, and the detection is prevented from the loss by accident.

The invention discloses a mold oil cylinder core-pulling sliding block retaining circuit used in the injection process of an injection molding machine. The mold oil cylinder core-pulling sliding block retaining circuit comprises a core-pulling input end, a core-pulling output end, an injection input end and an injection output end. The core-pulling input end is connected with the core-pulling output end, and the core-pulling input end transmits a signal to control action of a core-pulling valve. A diode D1, a diode D2, a relay KM1 and a mold mode locking pole stop signal circuit are further included. According to the mold oil cylinder core-pulling sliding block retaining circuit, an injection voltage signal is provided for the core-pulling valve at the injection ends, the core-pulling valve is opened, and oil pressure of an original machine can achieve a pressure maintaining function on a core-pulling oil cylinder; and the problems that in the injection process of the original injection molding machine, due to the counter acting force of injection pressure on a mold sliding block, the sliding block retreats slightly, and injection molding defects of trimming, burrs and the like are generated to products are solved.

The invention discloses a device for intelligently displaying medicine information. The device comprises a plurality of goods allocations for storing medicines and an electronic display screen arranged below the goods allocations, the electronic display screen is connected with an electronic display screen driving circuit, a control circuit is connected with the electronic display screen drive circuit, the control circuit is connected with a CAN transmit-receive drive circuit and realizes bidirectional communication, the control circuit is connected with a weighing drive circuit and realizes bidirectional communication, the control circuit is connected with a touch key drive circuit, and the electronic display screen is a TFT display screen. The device is mainly used for displaying information such as names, specifications, quantity and expiration date of medicines on the intelligent medicine shelf, key characters and common identifiers can be highlighted, and medicine taking and placing counting and medicine inventory can be highlighted. By combining the technologies of light guidance, background color change and the like, intelligent display is provided for doctors when the doctors put medicines on shelves and take the medicines, fool-proof and mistake-proof effects are achieved, and early warning is carried out on the expiration date of the medicines.

The invention discloses a tooling for quickly crimping a faucet, which comprises a worktable, a placement component is arranged in the middle of the surface of the worktable, clamping components are arranged on both sides of the worktable, and the clamping component It is symmetrically arranged on both sides of the placement component, and a water nozzle installation component is provided on the worktable away from the clamping component. One side of the water nozzle installation component is slidably connected with a pressing component, and the water nozzle installation component The connection side of the pressing component is symmetrically provided with an error-proofing component. The present invention provides a placement component and a faucet installation component, so that the position of repeated positioning of the product and the faucet is unified each time, and the error-proofing component is provided , when the faucet is not released, directly close the pneumatic control valve of the pressing cylinder, then the error prevention plate will hinder the error prevention protrusion from retreating in the error prevention channel, resulting in the failure of the pressing cylinder to retreat, thus effectively preventing misoperation risk and reduce the rate of defective products.

The present invention discloses an assemblage-error proofing device for sliding-column assembly. The invention comprises the first locating piece used to locate the bumping block and the second locating piece that lies under the first locating piece and is used to locate the shock absorber. Two locating pieces of the assemblage-error proofing device for sliding-column assembly can be set up to avoid errors in process of assemblage the sliding column assembly, avoid the uncertainty in case the operator cannot differentiate between left and right, save the time for left and right discriminating, and avoid the incorrect assemblage of bumping blocks. The operator just identifies the fixture once, the parts discriminating frequency is reduced, work efficiency is improved, and the product assemblage quality is boosted.

The invention discloses an associated control device and method for screw hole detection and oiling of an automobile door lock. On the working surface of a detection box body, a positioning column isfixed to the working surface, a detection column is inserted into the detection box body from the working surface, the bottom of the detection column is connected with a locking base fixed into the detection box body through elastic parts, a probe rod is inserted horizontally into the detection box body and fixed with the detection column, a guiding groove A allowing the probe rod to move vertically is formed in the detection box body, a sensor is located below the initial height of the probe rod and fixed with the detection box body, the diameter of the detection column is smaller than that of a threaded light hole formed in a lock body of the door lock and larger than that of a threaded hole after tapping of the threaded light hole; and an oiling opening communicating with an oiling pipeline is formed in the working surface, and a control system is associated with the sensor and the oiling opening through signals. On the same associated control device, the logical functions of two associated processes of screw hole detection and oiling can be completed on the lock body of the automobile door lock, whether threaded holes are assembled in the lock body can be detected timely and automatically, and the mistake-proofing action is effectively achieved.

The invention discloses a sectional type detachable neck ring mold of a hollow blow molding machine, and relates to the technical field of blow molding machines. The sectional type detachable neck ring mold comprises a neck ring mold body, the neck ring mold body comprises an inner mold core and an outer neck ring mold, the inner mold core comprises an inner upper mold core body and an inner lowermold core body, an inner lower groove is formed in the top of the inner lower mold core body, an annular groove corresponding to the inner lower groove is formed in the top of the inner upper mold core body, and the outer neck ring mold comprises an outer upper neck ring mold body and an outer lower neck ring mold body. According to the sectional type detachable neck ring mold of the hollow blowmolding machine, the neck ring mold body is divided into the inner mold core and the outer neck ring mold, the inner mold core is divided into the inner upper mold core body and the inner lower mold core body, and the outer neck ring mold is divided into the outer upper neck ring mold body and the outer lower neck ring mold body, so that when the neck ring mold body is replaced, only the two partsof the inner lower mold core body and the outer lower neck ring mold body need to be replaced, the size is small, the weight is light, assistance of carrying tools and other people is not needed, only the replaced inner lower mold core body and the replaced outer lower neck ring mold body need to be heated, time and heating energy are saved, the occupied space is small, and maintenance resourcesare saved.

The invention discloses a tool for quickly crimping a water nozzle. The tool for quickly crimping the water nozzle comprises a working table plate, wherein a placing assembly is arranged in the middleof the surface of the working table plate; clamping assemblies are arranged on two parallel sides of the working table plate and are symmetrically arranged on two sides of the placing assembly; a water nozzle mounting assembly is arranged at the position, far away from the clamping assemblies, on the working table plate; one side of the water nozzle mounting assembly is slidably connected with apressing-fit assembly; and mistake-proofing assemblies are symmetrically arranged on the connecting side faces of the water nozzle mounting assembly and the pressing-fit assembly. According to the tool for quickly crimping the water nozzle provided by the invention, through arranging the placing assembly and the water nozzle mounting assembly, the repeated positioning positions of a product and awater nozzle every time are unified; and through arranging the mistake-proofing assemblies, when the water nozzle is not loosened, a pneumatic control valve of a pressing-fit oil cylinder is directlyclosed, mistake-proofing plates prevent mistake-proofing protrusions from retreating in mistake-proofing through grooves, and the pressing-fit oil cylinder cannot retreat accordingly, so that the riskof misoperation is effectively prevented, and the reject ratio of products is reduced.

The invention discloses an automobile headlamp cleaning structure which comprises a nozzle, a support and an elastic piece. The nozzle comprises a nozzle round head, a connecting rod and a hoop structure, a spray head is arranged on the nozzle round head, the input end of the nozzle round head is connected with the hoop structure through the connecting rod, the nozzle round head is arranged close to the outer wall of the automobile bumper skin, the connecting rod and the hoop structure are arranged close to the inner wall of the automobile bumper skin, the connecting rod is connected with the automobile bumper skin in a clamped and matched mode, the support is connected with the connecting rod in a clamped mode, the elastic piece is connected between the support and the hoop structure in a clamped mode and abuts against the elastic piece, so that the support is tightly attached to the inner wall of the automobile bumper skin, and then the nozzle round head and the support are tightly attached to the outer wall and the inner wall of the automobile bumper skin. The automobile headlamp cleaning structure has the advantages that the structure is simple, the nozzle round head only needs to be arranged outside an automobile, disassembly, assembly and maintenance are easy, and the manufacturing cost is greatly reduced.

The invention relates to a car radiator with an improved core body side plate. The car radiator comprises a car radiator core body and a water chamber, the car radiator core body and the water chamberare sequentially connected, the car radiator core body comprises a main piece, the side plate, radiating pipes and radiating belts, and the radiating pipes and the side plate are arranged on the mainpiece; the side plate is connected with the radiating pipes, the radiating belts are fixedly connected between the radiating pipes, and the side plate is provided with a deflection end tooth connected with the main piece. Compared with the prior art, the car radiator with the improved core body side plate has the advantages that using is convenient, labor hours are saved, the cost is saved, and the scrap rate is decreased.

The invention discloses a device for quickly repairing pins of a semiconductor laser, and the device comprises a main body frame; a Y-axis moving device is arranged above the main body frame, a fixing disc capable of moving front and back in the Y-axis direction is connected to the Y-axis moving device, and a fixing clamp used for fixing a laser is arranged on the fixing disc; the main body frame is connected with a bracket, the bracket is connected with an X-axis moving device, and the front side of the X-axis moving device is connected with a fixed frame capable of moving left and right in the X-axis direction; a Z-axis moving device is arranged on the fixed frame, and a lifting frame capable of moving up and down in the Z-axis direction is connected to the front side of the Z-axis moving device; a repair disc is connected below the lifting frame through a connecting shaft, and a guide groove corresponding to an upper base pin of the laser is formed in a repair head at the lower end of the repair disc; the device further comprises a PLC. The device is simple in structure, convenient to operate and high in production efficiency and repair qualification rate.

The invention discloses a bushing assembly fixture for a stabilizer bar product. The bushing assembly fixture comprises an upper die, a lower die and connecting arms, wherein the upper die and the lower die are matched with a bushing, the upper die and the lower die are arranged in half of the bushing to be matched in an involution manner, and lap joint side lugs are machined at the two sides of the upper die; and an anti-disengaging groove is formed in each lap joint side lug, extending-out steps are machined at the two sides of the lower die and rotationally matched with one ends of the connecting arms, the other ends of the connecting arms are rotationally matched with a locking rotating roller, the locking rotating roller is matched with the anti-disengaging grooves, a first guide column and a second guide column are further arranged on the lower die, and the first guide column and the second guide column are located at the two sides of the lower die respectively. The stabilizer bar and the bushing assembly clamp have a good heat preservation effect, the bonding temperature of the bushing can be conveniently controlled, the device is reasonable in structural design, high in strength and capable of being repeatedly used, the problem of abnormal sound after a stabilizer bar is loaded is solved by bonding the bushing through the assembly clamp, and meanwhile the service life of the stabilizer bar is prolonged.

The invention discloses a stable four-purpose device for oxygen production, nitrogen production and vacuumizing. The stable four-purpose device comprises an air compressor system, an oxygen productionsystem, a nitrogen production system and a vacuum pump system; the air compressor system is connected with the oxygen production system and the nitrogen production system through two branch pipelines; an oxygen generator air inlet of an oxygen generator and a nitrogen generator air inlet of a nitrogen generator are respectively connected with an air outlet of an air tank A through the branch pipelines; and an air inlet of the vacuum pump is connected with a first-stage air filter through an exhaust pipeline. The service lives of the oxygen generator and the nitrogen generator can be prolonged, maintenance is reduced, and maintenance cost is reduced; maintenance is easier, and the reliability of the equipment is improved; vacuum treatment is achieved, the working capacity of the whole system is improved in integrated multifunctional equipment, and a certain mistake-proofing effect is achieved; a plurality of filters are arranged to prolong the mechanical service life and reduce the working noise so as to ensure efficient and reliable operation of the equipment; and a colorless and odorless safe gas source is provided.

The invention belongs to the technical field of mechanical equipment, and particularly relates to a gear broaching clamp for a steering gear rack, which comprises an upper leading-in device, a lower positioning device, a jaw 1 device and a jaw 2 device, the upper guiding-in device is located at the upper end of the gear broaching clamp and comprises a clamping module, a detecting module and a flushing module. A vertically-through cylindrical pipeline is arranged in the clamping module and used for allowing a workpiece to pass through and clamping the workpiece. The detection module is used for detecting whether a workpiece enters the upper guide-in module or not; the flushing module is used for externally connecting an oil way and flushing a workpiece; the lower positioning device is located at the lower end of the gear broaching clamp and used for detecting the axial position of the workpiece. The first jaw device and the second jaw device are located between the upper guiding-in device and the lower positioning device, arranged on the left side and the right side correspondingly and used for being matched with each other to clamp a workpiece. The sensor can play a role in mistake proofing, damage to a mechanical structure is avoided, and the consistency of repeated positioning is guaranteed; the oil pipe can prevent the surface of the workpiece from generating pits and even causing size out-of-tolerance.

The invention relates to a universal self-closing wear-resisting erosion-resisting soil sample press station; the resisting soil sample press station comprises a bottom plate, two first side plates, two second side plates and a cuboid top block, wherein two first trapezoid dovetail grooves and another two rectangular grooves are arranged on the bottom plate; the first trapezoid dovetail grooves are crossly symmetrical linear grooves of which openings are narrower than the bottom parts and the dip angle of oblique side is 20 degrees; the bottom parts of the first side plates are trapezoid wedges, and the matching gap between the first trapezoid dovetail groove and the trapezoid groove is lateral-sided 0.05 mm-0.07 mm; the side faces of the first side plates are further provided with two second trapezoid dovetail grooves of which dip angle of the oblique side is 15 degrees; the bottom parts of the second side plates are rectangular wedges adapted to the rectangular grooves, both ends of the side faces are provided with trapezoid wedges, and the matching gap between the second trapezoid dovetail groove and the trapezoid wedges is lateral-sided 0.05 mm-0.07 mm; the whole station is treated by cadmium plating; a neodymium iron boron magnetic block is further arranged on the bottom plate. The universal self-closing wear-resisting erosion-resisting soil sample press station is strong in university, self-closing, self-wear-resisting, and acid and alkali corrosion resisting.