77results about How to "Small space volume" patented technology

The invention relates to the technical field of drying equipment, in particular to clothing cloth drying equipment. The clothing cloth drying equipment comprises a box body, a discharging shaft for discharging cloths, a drying module, an ironing module, an air-drying module, a rolling shaft for rolling the cloths and a controller. The top of the left side of the box body is provided with a storinghole for storing the cloths, a damping piece mounted at the bottom of the box body is arranged under the storing hole, and the discharging shaft is vertically mounted on the damping piece. The dryingmodule is used for drying the cloths, the ironing module is used for ironing the cloths, and the air-drying module is used for air-drying the ironed cloths. The rolling shaft is located on the rightside of the air-drying module, a material taking hole for taking out the cloths is formed in the top of the box body over the rolling shaft, the rolling shaft is driven through a rolling motor, and the rolling motor is electrically connected with the controller. The clothing cloth drying equipment is mainly suitable for being used in a clothing manufacturing shop and has the characteristics that the size is small, the weight is small, the price is low, and energy consumption is little.

The utility model relates to the technical field of engineering machinery, in particular to a shear forklift hydraulic control system and a shear forklift. Due to the fact that the walking reversing valve is communicated with the oil tank through the balance valve, hydraulic oil flowing out of the first motor and the second motor flows into the balance valve through the walking reversing valve, and due to the arrangement of the balance valve, it can be guaranteed that the pressure of the hydraulic oil flowing out of the walking reversing valve is adjusted when the shear forklift goes down a slope. Compared with the prior art, the balance valve arranged between the walking reversing valve and the oil tank enables the overall space size of the hydraulic system to be reduced, and an oil way is relatively simple.

The utility model discloses an underground wet-spraying concrete mixing plant with a multi-layer composite structure, and belongs to the technical field of mining. Comprising a gravel storage chamber, a dosing machine chamber, a stirrer chamber and an auxiliary material chamber which are sequentially communicated, and the height of a bottom plate of the stirrer chamber is lower than that of bottom plates of the dosing machine chamber and the auxiliary material chamber; the sandstone material storage chamber is communicated with the batching machine chamber through a forklift transportation connection way; a batching machine storage bin, a gravel weighing hopper and a horizontal conveying belt are arranged in the batching machine chamber, and the front end of the horizontal conveying belt extends into the stirrer chamber; the mixer chamber is communicated with the main slope ramp through the cement tanker linking way; a concrete mixing tank and a cement vertical tank are arranged in the mixer chamber; the auxiliary material chamber is internally communicated with the main slope ramp through a roadway, a cement horizontal tank, an additive tank and a mixing water tank are arranged in the auxiliary material chamber, and the additive tank and the mixing water tank are communicated to the upper part of the cement vertical tank through pipelines.

A sensorless built-in permanent magnet synchronous motor comprises a rotor, the rotor comprises a rotor iron core and a plurality of permanent magnets embedded in the rotor iron core, and the magnetic poles of every two adjacent permanent magnets in the same end face of the rotor are different; the rotor core is provided with a plurality of magnetic barriers and magnetic isolation bridges, the magnetic barriers and the magnetic isolation bridges are respectively close to the outer side of the rotor, each permanent magnet is provided with a magnetic barrier corresponding to one side close to the outer side of the rotor, one pair of two adjacent permanent magnets is not provided with a magnetic barrier, and the two magnetic barriers respectively close to the two adjacent permanent magnets form a magnetic barrier group. The widths and the thicknesses of the magnetic barrier groups are respectively the same, and the widths of the magnetic barrier groups are different; a magnetic isolation bridge is arranged between each permanent magnet and the outer side of the rotor, the two magnetic isolation bridges close to the two adjacent permanent magnets respectively serve as a set of magnetic isolation bridges, the lengths and the thicknesses of the magnetic isolation bridge sets are the same, and the thicknesses of the magnetic isolation bridge sets are different. The invention has the advantages of low cost and small space volume. The invention also provides a rotor mechanical angle detection method.

The present invention relates to the technical field of lamps, and in particular to a salt water lamp for emergency lighting. A salt water lamp for emergency lighting comprises a liquid storage mechanism, a lighting lamp and a heating mechanism. The liquid storage mechanism comprises a first outer shell, a second outer shell and a first liquid storage capsule. The lighting lamp comprises an aluminum plate, and the heating mechanism comprises a first plug-in boss and a second plug-in boss. When the salt of the salt water in the first liquid storage capsule is precipitated, the spatial volume of the first liquid storage capsule gradually increases and decreases, and the salt water in the first liquid storage capsule is stirred, which is conducive to the dissolution of precipitation. The first plug-in boss and the second plug-in boss move relative to each other, thereby generating heat by friction, and heating the salt water inside the first liquid storage capsule and the second liquid storage capsule. The present invention provides a salt water lamp for emergency lighting to solve the problem that in existing salt water lamps, when precipitation is precipitated and the concentration of salt water is reduced, the brightness of the bulb becomes dim, affecting the use effect.

The utility model relates to the field of cooking equipment, in particular to a heat dissipation door body. A heat dissipation door body is applied to cooking equipment and comprises a door body provided with a cavity, the door body is at least provided with an air inlet and an air outlet, and the air inlet and the air outlet are both communicated with the cavity; the partition assembly is mounted in the cavity and can divide the cavity into a first cavity and a second cavity; the screen assembly is installed in the first cavity and connected with the cavity wall forming the first cavity, and information can be displayed to the outside through the door body. The air cooling assembly is installed in the first cavity and connected with the cavity wall forming the first cavity, and the heat exchange speed of the first cavity and the external environment can be increased. The display device has the advantages that the curtain assembly and the door body are integrated, information can be displayed to the outside through the door body, the cost of additionally arranging parts such as a screen assembly support is saved, the integration of a whole machine system is improved, the air cooling assembly can enable the door body to dissipate heat actively, and the heat dissipation capacity of the door body is improved.

The present invention discloses a municipal sewage treatment system, which belongs to the field of municipal sewage. The municipal sewage treatment system includes a combined inclined transmission structure, an elastic grille structure and an angled transmission structure. A chain group is provided in the internal engagement of the combined inclined transmission structure, and one end of the outer wall of the chain group is connected to the elastic grille structure. A double transmission structure is provided on one side of the outer wall of the combined inclined transmission structure, and one end of the outer wall of the double transmission structure is connected to the angled transmission structure. A solid-liquid separation unit is provided below the angled transmission structure. The first connecting block and the second connecting block of the present invention can be slidably adjusted inside the staggered connecting block, respectively. The movable space inside the staggered connecting block is used to relatively expand the first connecting block and the second connecting block to change the size of the gap formed by the assembly in the elastic grille structure, so that the engaged impurities and debris can fall off due to the enlargement of the gap, thereby reducing the blockage of the elastic grille structure.

The utility model relates to lathe technical field provides a good micro - numerical control lathe of chip removal, solve the problem that lathe horizontal work surface falls the chip not easy clearance and the chip falls into the guide rail and influences the problem of tool rest feed. Scheme, the work surface of bed body is inclined surface, the lathe still includes: X axle assembly, include: a) X axle bottom plate, set up on the work surface of bed body, have X axle guide rail on it, b) workbench, slide connection in X axle guide rail, its upper portion is fixed with tool rest, c) first linear drive assembly, drive workbench and move along X axle direction, d) X axle protection assembly, install in workbench X axle direction both ends, protect X axle guide rail, Z axle assembly, include: a) Z axle guide rail, set up in the work surface of bed body, X axle bottom plate bottom slide connection in Z axle guide rail, b) second linear drive assembly, drive X axle bottom plate and move along Z axle direction, c) Z axle protection assembly, install in X axle bottom plate Z axle direction both ends, be used for protecting Z axle guide rail.

This utility model's electric mining truck gearbox features a three-speed design that allows selection of the most suitable gear based on different working conditions, optimizing power output to meet the power requirements of mining trucks, increasing the coverage of the motor's high-efficiency zone, improving the overall efficiency of the gearbox, and effectively reducing energy consumption. Based on the powerful performance provided by the multi-motor configuration, it enhances the flexibility and efficiency of the drive system. The front intermediate shaft assembly is coaxially connected to the output end of the power coupling assembly, and the rear intermediate shaft extends into the front intermediate shaft assembly and is coaxially aligned with the output end of the power coupling assembly, forming a compact parallel shaft structure. This fully utilizes the radial space of the gearbox and reduces its axial dimensions, thereby reducing the gearbox's volume and facilitating overall vehicle layout. Furthermore, the front and rear intermediate shaft assemblies share the radial and axial loads during transmission, reducing gear stress and improving the transmission stability and reliability under harsh working conditions, thus enhancing the gearbox's adaptability to various operating conditions.

The invention belongs to the technical field of polymerization reaction equipment, and provides a spiral tube type polymerization reactor which consists of two sections of spiral tube type reactors, comprising an outer shell, an end socket, a ground support, a cooling medium feeding pipeline, a cooling medium discharging pipeline, a spiral pipeline, a flow guide pipe, a prepolymerization feeding port, a propylene feeding port, a polypropylene material outlet, a polypropylene circulating material feeding port and a heat preservation material. Reaction materials flow in a tube pass, the two spiral tubular reactors are connected through a spiral pipeline, cooling media flow in a shell pass, and the feeding directions of the cooling media of the two reactors are opposite. The heat exchange process of the polymerization reaction is enhanced, the stability of the polymerization reaction process is improved, and meanwhile, the occupied space is saved.

The present application relates to a kind of integrated force arm structure, double rear axle suspension system and its vehicle, it includes: first force arm, the first force arm has first body, and from the first body towards one side extends to form two first arms spaced apart, each the first arm is rotatably connected with pin shaft, two the pin shaft on the first arm coaxially arranged and interval distribution;Second force arm, the second force arm has second body, and from the second body towards the side close to the first force arm extends to form two second arms spaced apart, two the second arm is arranged with two the first arm one by one, and each the second arm is rotatably connected to the pin shaft corresponding with the first arm;The first body extends to form first axle connecting arm towards away from the second body direction, the second body extends to form second axle connecting arm towards away from the first body direction.Two force arms integrated connection, simple structure, realize lightweight design.

PCB board-mounted surge protection device, including the surge protection components which form surge protection for the protected circuit on the PCB board, the surge protection components are welded on the PCB board, characterized in that: further comprising a tripping device for tripping protection of the surge protection components, the tripping device is welded on the PCB board and is in series with the surge protection components to form a tripping protection circuit, the tripping protection circuit is in parallel with the protected circuit, the tripping device trips off with the overheat, overcurrent or overload of the surge protection components, and the tripping protection circuit is disconnected. The present application realizes reliable and effective front-end protection for the surge protection components on the PCB board, ensures that the surge protection circuit is disconnected in time when the surge protection components are overheated, overcurrent or overloaded, prolongs the service life of the surge protection components, improves the surge protection reliability of the protected circuit on the PCB board, and meets the installation requirements of compactness on the circuit board.

The invention provides an expandable light shield based on a slider-crank mechanism, which is used for solving the technical problems that the existing expandable light shield is low in precision and low in rigidity after being expanded, and the existing rigid light shield can only be applied to a space optical system with a smaller size. According to the deployable light shield based on the crank sliding block mechanisms, the two sets of crank sliding block mechanisms which are symmetrically arranged serve as unfolding driving mechanisms of the plane light shield, and the plane light shield can be folded in the launching process of a rocket in cooperation with the pressing base and the locking device so that the small space size can be achieved; meanwhile, when a rocket arrives at an expected on-orbit position, two groups of slider-crank mechanisms are matched with the driving of an elastic driving hinge, so that the planar light shield is unfolded from a completely folded state and locked, the planar light shield has relatively high precision and structural rigidity in a working state, a new idea is provided for on-orbit application of the large-size light shield, and the application range of the large-size light shield is widened. And the blank of a large-size high-rigidity light shield is filled.

This utility model discloses a reciprocating shaver head assembly, including a fixed blade, a rigid support, and a reciprocating moving blade assembly. The fixed blade is mounted on the support and includes a skin-contacting piece located at the top for shaving. The skin-contacting piece is an arc-shaped piece or a flat plate structure from left to right, and fixed blade teeth are provided on the skin-contacting piece. The moving blade assembly includes a moving blade and moving blade teeth that can move in a back-and-forth direction. A rigid support fixing part is provided on the support along the arrangement direction of the fixed blade teeth. The support fixing part is located inside the fixed blade teeth and moving blade teeth. The bottom of the skin-contacting piece is attached to the support fixing part and fixed thereto. By providing a support fixing part inside the fixed blade teeth and moving blade teeth for support and fixing the skin-contacting piece, the skin-contacting piece and the corresponding fixed blade teeth are strengthened. This allows the fixed blade to be manufactured with a thinner material and eliminates the support structure directly below the fixed blade teeth, thereby simplifying the structure and reducing costs while maintaining a clean shave.

This utility model discloses a bottom structure for a dishwasher and the dishwasher itself. The bottom structure is adapted to be arranged on the lower side of the inner tub. The bottom structure includes a base, a flow guide, and a sound insulation plate. A hinge seat is provided on the base. At least a portion of the flow guide is located on the upper side of the base. The sound insulation plate is located on the upper side of the base and is connected to at least one of the flow guide and the hinge seat. According to the bottom structure of the dishwasher of this utility model, by setting a sound insulation plate that cooperates with the flow guide, the noise generated by the water flow impacting the bottom of the inner tub and the motor pump is effectively isolated, making the dishwasher quieter during operation and reducing the impact of operating noise on the user. The sound insulation plate is connected to the flow guide and / or the hinge seat, realizing the integrated design of the sound insulation plate, the flow guide, and / or the hinge seat, which facilitates modular assembly, improves production assembly efficiency, and has a compact overall structure and small space volume.

The invention relates to the technical field of vacuum units, in particular to an exhaust pressure pulsation adjusting device for a vacuum unit and the vacuum unit comprising the exhaust pressure pulsation adjusting device. The adjusting mechanism comprises a cylindrical structural part and an adjusting buffering body. And a second airflow channel is formed among the air inlet end of the cylindrical structural part, the inner cavity and the communicating hole. The adjusting buffer main body is arranged in an inner cavity of the cylindrical structural part and divides the cylindrical structural part into a buffer area and a pneumatic buffer area. In the exhaust process, the buffering body is adjusted in a self-adaptive mode according to the pressure difference condition between the buffering area and the pneumatic buffering area to conduct separation of the airflow channels, and impact and acting force on a pipeline are small. When the exhaust pressure is too large, the adjusting and buffering body can conduct damping and buffering, and the purpose of adjusting exhaust pressure pulsation can be achieved. The exhaust pressure pulsation adjusting device has the advantages of being small in space size, good in sealing performance, simple in structure and the like.

The invention provides a non-contact wafer resistance measuring device and method, and belongs to the field of semiconductor testing, a rotating motor is used for driving a loading platform to rotate, and distribution point switching in the circumferential direction of a tested wafer is achieved; the linear guide rail is used for driving the probe linear module to move along the radial direction of the tested wafer so as to realize distribution point switching in the radial direction; the probe linear module drives a coil probe in the data acquisition module to move in the direction perpendicular to the tested wafer, and the distance between the coil probe and the tested wafer is adjusted; the distance sensor is used for measuring the distance between the measured wafer and the coil probe in real time; and the coil probe is used for measuring the resistance of each measuring point of the to-be-measured wafer under the action of the current. According to the invention, the precision of wafer resistance measurement is greatly improved.

The utility model relates to the technical field of electronic cigarettes, in particular to an electronic cigarette liquid bin sealing power device. Comprising a stand column support, an ejector rod, a sealing plug, a coil, a shielding cover and an elastic piece, the stand column support is provided with a hollow stand column, the middle of the ejector rod is movably connected with an inner cavity of the stand column, the top of the ejector rod is connected with the sealing plug, and the sealing plug is used for sealing an oil inlet between an oil bin and an atomization cavity; the shielding cover is connected to the stand column support and covers the coil, the elastic piece is installed on the ejector rod and exerts elastic force on the ejector rod, the ejector rod is magnetic, and the coil generates axial electromagnetic force on the ejector rod when powered on. The coil is fixed through the stand column structure on the stand column support, and the space volume occupied by the power device in the electronic cigarette is reduced. The combination of the ejector rod is optimized, so that the number of parts is reduced, and an assembly procedure is omitted.

This invention provides a pyrolysis gas treatment system and method. The system includes a pyrolysis furnace, a dust removal device, and a hot air furnace. The dust removal device includes a cyclone dust collector for removing large-particle-size dust (10 μm or larger) from the pyrolysis gas. The dust removal device also includes a terminal dust collector disposed between the cyclone dust collector and the hot air furnace for removing remaining small-particle-size dust from the pyrolysis gas. The terminal dust collector includes: a terminal cylinder having a terminal inlet for pre-treated pyrolysis gas to enter, a terminal dust outlet for small-particle-size dust to flow out, and a terminal outlet for pyrolysis gas to flow out; a cover sealing the terminal outlet and connected to the hot air furnace via a pipe; a sealing plate held between the terminal cylinder and the cover; a metal microporous membrane filter bag detachably suspended inside the terminal cylinder; and a dust baffle plate disposed on the inner wall of the terminal cylinder, located between the terminal inlet and the metal microporous membrane filter bag. This invention ensures efficient separation and treatment of small-particle-size dust (less than 10 μm) from the pyrolysis gas.

The utility model provides a waste recovery device for fireproof door processing, which comprises a recovery box body, the top of the recovery box body is provided with a feed port, the top side of the feed port is provided with a crushing mechanism, and the left side and the right side, close to the feed port, in the recovery box body are both provided with guide plates inclining leftwards. A first limiting plate and a second limiting plate are horizontally mounted on the left side and the right side in the recycling box correspondingly, and one side of the first limiting plate and one side of the second limiting plate are fixedly connected with one side of the bottom end of the guide plate correspondingly. A first hydraulic cylinder is fixedly mounted on the bottom side, close to the second limiting plate, in the recycling box, and a push plate is fixedly mounted at the telescopic end of the first hydraulic cylinder. According to the metal scrap briquetting device, the second hydraulic cylinder and the push plate in the recycling box body are used in cooperation, metal scraps entering and exiting from the feeding port can be subjected to briquetting treatment, the space size occupied by the scraps is reduced, meanwhile, sharp corners of the metal scraps can be subjected to briquetting, and the safety of later concentrated recycling operation is effectively improved.

The utility model relates to the technical field of smear preparation, and discloses a push broach cleaning and drying device which comprises a cleaning module, a drying module and a push broach mounting module. The drying module is installed above the cleaning module and provided with two opposite strip-shaped air blowing openings, the opening width of the two strip-shaped air blowing openings is not smaller than the width of the push broach, the two strip-shaped air blowing openings can blow linear contact airflow, and when the push broach installation module drives the push broach to move downwards, the push broach can pass through the drying module till the push broach is immersed in a cleaning pool to be cleaned; when the push broach mounting module moves vertically upwards, the push broach can be separated from the cleaning pool and withdraws reversely through the drying module, residual liquid on the two faces of the push broach can be covered and dried at a time by linear contact airflow along with movement of the push broach, the push broach can be dried comprehensively and rapidly in time, and the overall working efficiency is improved. The structure is simple and stable, occupied space is small, and operation cost is reduced; defects such as deposition and dirt hanging caused by residual cleaning fluid on the surface of the push broach are avoided, and the coating quality of the blood smear is guaranteed.

The utility model provides a chain type groove body structure device which comprises an upper groove and a plurality of transmission rolling wheels which are installed on the upper groove side by side, and is characterized in that arc-shaped grooves corresponding to the transmission rolling wheels in a one-to-one mode are formed in the groove bottom of the upper groove, and the transmission rolling wheels are rotationally suspended above the arc-shaped grooves in a one-to-one mode; the arc-shaped grooves are obliquely arranged, liquid drainage grooves are formed in the lowest ends of the arc-shaped grooves in the inclination direction, and the arc-shaped grooves are communicated with the liquid drainage grooves; the liquid discharging groove is communicated with a lower groove positioned below the upper groove through a liquid discharging pipe; and the liquid discharge pipe is provided with a control valve. According to the chain type groove body structure device, the medicine cost is reduced.

The invention relates to a subminiature high-bandwidth single-ended fiber-outgoing film lithium niobate electro-optical modulator, which comprises an SSMP radio frequency assembly, a high-frequency transition film substrate, an electro-optical modulator chip, a dual-core FA, a terminal matching film substrate, an input optical fiber, an output optical fiber and a packaging shell. According to the thin-film lithium niobate electrooptical modulator chip, the waveguide is of a U-shaped structure, the waveguide input port and the waveguide output port are located on the same side of the chip, the dual-core FA is adopted to align the waveguide input port and the waveguide output port for coupling, the space needed by coupling is reduced, and the coupling convenience is improved; a mode field conversion structure is designed on the double-core FA, and the size of an optical fiber spot size is reduced; an SSC spot size converter structure is designed on a chip waveguide, the size of a waveguide spot size is amplified, the size of an optical fiber spot size and the size of a waveguide spot size are converted into the same size, and efficient and low-loss coupling is achieved. The radio frequency feed-in port, the optical input and output port and the direct current pin are located on the opposite side of the device, so that the user terminal array type dense arrangement is facilitated, and the small-sized integration of the system is realized.

The slope concrete pouring construction equipment comprises a moving trolley, a rotating shaft, a power unit, a winding drum, a pull rope and a construction mechanism. The construction mechanism comprises a transverse frame, a pressing plate, a vibration motor, an auger and a rotating roller, a push plate which is obliquely arranged upwards is further arranged on the side, close to the auger, of the pressing plate, and a transmission control mechanism used for controlling and driving the auger and the rotating roller is further arranged on the transverse frame. The slope concrete pouring construction equipment can adapt to slope construction of different gradients and angles, meanwhile, the whole equipment can be conveniently moved, the whole construction mechanism is powerful in function, concrete laying, compacting, leveling and other work can be carried out at the same time, the slope construction efficiency is greatly improved, and the construction cost is reduced. And constructors do not need to operate on a slope, so that the manual labor amount is reduced, and the construction safety is improved.

The application relates to a preparation device for environment-friendly recycled concrete and relates to the technical field of recycled concrete production equipment, which comprises a support, a tank body mounted on the support and a crusher arranged on the support, a working cavity is formed in the tank body, the working cavity top is communicated with the crusher through a pipeline, a connecting rod is mounted on the tank body top, one end of the connecting rod extends into the working cavity and is connected with a motor, a stirring paddle is arranged on the motor output shaft, a plurality of feeding ports are integrally connected on the tank body side wall in the circumferential direction, the plurality of feeding ports are communicated with the working cavity, different mixtures for making concrete are respectively filled in the plurality of feeding ports, a discharge port is formed in the working cavity bottom, an electromagnetic control valve is mounted on the discharge port, a material box containing concrete is placed in the support, and a screening and recycling mechanism for preventing large-particle concrete from falling into a mixing position is arranged in the tank body. The application integrates the structure of the recycled concrete preparation device, and the recycled concrete operation is more convenient and efficient.

The utility model relates to the field of ship frequency conversion cabinets, in particular to a ship modularized frequency conversion cabinet, which comprises a cabinet body, a fire extinguishing mechanism, a plurality of mounting seats, a plurality of L-shaped mounting plates and a plurality of mounting mechanisms, the cabinet body is internally provided with a plurality of module units, and the mounting seats are fixed in the cabinet body at equal intervals. Each module unit is mounted on one side of one L-shaped mounting plate, a mounting mechanism is arranged between each L-shaped mounting plate and one mounting seat, each mounting mechanism comprises a mounting hole, an inserting block, two positioning assemblies and two unlocking assemblies, and the fire extinguishing mechanism comprises an atomizing nozzle, a smoke sensor, a storage cylinder and an extrusion assembly. According to the modularized frequency conversion cabinet for the ship, under the condition that a high protection grade is achieved, the whole cabinet body is small in space volume, the modularized frequency conversion cabinet can be suitable for different places of the ship, the installation position is wider and more convenient, and the utilization space of related places of the ship is increased.

A multi-circle angular displacement measuring device based on a single gear structure comprises a shell, a rotating shaft, a driving wheel, a driven wheel, magnetic steel, a deep groove ball bearing, a circuit board and a Hall chip. Three deep groove ball bearings are respectively mounted in holes in the upper and lower end faces of the bottom of the shell; the small-section end of the rotating shaft penetrates through the first deep groove ball bearing and the second deep groove ball bearing, and the root of the rotating shaft is inserted into a mounting hole of the driving wheel. The driving wheel is fixed with the inner ring of the deep groove ball bearing II; the first magnetic steel is installed in a groove of the driving wheel. A driven wheel is fixed with an inner ring of the deep groove ball bearing III, and teeth of the driven wheel are meshed with teeth of the driving wheel; the second magnetic steel is installed in a groove of the driven wheel. The circuit board is arranged on a boss in the shell; the first Hall chip and the second Hall chip are installed on the circuit board and axially correspond to the first magnetic steel and the second magnetic steel respectively. The device is high in vibration resistance, small in accumulative error, high in positioning precision, absolute in mechanical measurement, capable of achieving real absolute multi-circle angle measurement and capable of being used for application needing to track multiple rotation periods.

The present invention relates to the technical field of semiconductor testing equipment, and discloses a mechanical anti-slip device, which is provided with a plurality of anti-slip parts, which are arranged at intervals between a carrier board of the semiconductor testing equipment and an interface board of a test head, and include an anti-slip part and a release plate, both of which are connected to an elastic mechanism, wherein the anti-slip part cooperates with an opening on the release plate, one end of which passes through the opening and extends toward an anti-slip notch arranged on the carrier board, and the other end is provided with a pressing surface, and an unlocking protrusion is arranged on the release plate, and the pressing surface or the unlocking protrusion is manually driven to change the matching position of the anti-slip part and the opening via the elastic mechanism, thereby realizing the locking or unlocking of the anti-slip part and the anti-slip notch, thereby completing the locking or unlocking between the carrier board and the interface board. The entire device has a simple structure, is easy to operate, and has a wide range of application value.

This utility model discloses a current-carrying terminal, wherein the current-carrying terminal (100) includes a first U-shaped groove (10), a first connecting end (20), and a second connecting end (30). A first fixing hole (11) is provided between the two side walls of the first U-shaped groove (10). The first connecting end (20) and the second connecting end (30) are used to connect cables for current transmission. The first connecting end (20) and the second connecting end (30) are arranged side by side. The first connecting end (20) and the second connecting end (30) are connected to the first fixing hole (11) by bolts (60), and the first connecting end (20) and the second connecting end (30) are fixed to the first fixing hole (11) by nuts (61). After being energized, the first connecting end (20) and the second connecting end (30) are conductive. This utility model reduces the copper busbars used in the past. Through structural improvements, the terminal volume is reduced, the fastening process and production and development costs are reduced, and the current-carrying capacity, product competitiveness and production efficiency are improved.

The utility model relates to the technical field of coiled material transfer operation robot, concretely relates to a coiled material transfer robot, adopts mobile chassis and operation machine unit, and operation machine unit includes coiled material buffer mechanism, XYZR four -axis drive assembly and coiled material transfer mechanism. When the coiled material transfer robot shifts the roll core, mobile chassis drives operation machine unit to move to the side of coiled material unwinding machine or the side of coiled material winding machine, and XYZR four -axis drive assembly drives coiled material transfer mechanism to move along XYZR four -axis direction, and coiled material transfer mechanism takes out the roll core of full coiled material or empty coiled material from coiled material unwinding machine or coiled material winding machine and shifts to coiled material buffer mechanism, and coiled material transfer mechanism takes out the roll core of empty coiled material or full coiled material from coiled material buffer mechanism and shifts to coiled material unwinding machine or coiled material winding machine, and its compact structure, high stability are more favorable to save space volume, can more adapt to narrow space, and are applicable to the coiled material loading and unloading demand of narrow space batch.