110 results about "Compression screw" patented technology

The invention discloses a battery assembling device. The battery assembling device comprises a conveying assembly, an assembling station and a first carrying assembly, a second carrying assembly, a delay positioning assembly, a pre-assembling assembly and a main body positioning assembly are arranged on the assembly station, the delay positioning assembly, the pre-assembling assembly and the main body positioning assembly are arranged at intervals, and the second carrying assembly is arranged above the delay positioning assembly, the pre-assembling assembly and the main body positioning assembly; the first carrying assembly is used for carrying the delay module and the pressing screw to the delay positioning assembly and carrying the main body assembled with the supporting block to the main body positioning assembly; the second carrying assembly is used for carrying the delay module and the pressing screw to the pre-assembling assembly in sequence; the pre-assembling assembly is used for clamping and positioning the delay module and then pre-assembling the pressing screw and the delay module; and the second carrying assembly is used for carrying the pre-assembled delay module and the pre-assembled pressing screw to the main body positioning assembly, so that the pre-assembled delay module and the pre-assembled pressing screw are assembled on the main body. By means of the mode, the problem that the pressing screw entering teeth are prone to deflection is solved.

The invention discloses a novel metal test piece end face polishing and grinding device which comprises a test piece chuck, a pressing device, a straight driven piece, a plane cam, a movable sliding block assembly body, a linear guide rail structure and a movable frame. The test piece chuck comprises a dovetail matching block, a test piece chuck block, a pressing screw and a chuck fixing screw. The pressing device comprises a cover plate, a compression spring, a lifting block, a threaded pin and a rolling bearing; the straight follower comprises a lifting block, an indexing block and a limiting screw. By means of the novel metal polishing and grinding device, the problem that after traditional manual polishing and grinding equipment conducts polishing and grinding, cambered surfaces and fillets appear on the polishing and grinding end face is solved, the yield of metallographic samples and the utilization rate of consumable items such as abrasive paper are increased, a linear one-way polishing and grinding mode is researched, developed and provided, and a novel semi-automatic mechanical polishing and grinding device is designed.

The utility model discloses an optical path adjustable flow cell which comprises a flow cell cavity, two adjusting seats are oppositely arranged in the flow cell cavity, the two adjusting seats are both in threaded connection with the flow cell cavity, lenses are arranged at the opposite ends of the two adjusting seats, compression screws are arranged on the opposite sides, facing the flow cell cavity, of the lenses, and the compression screws are in threaded connection with the flow cell cavity. A connector is arranged at the tail end of the adjusting seat; the optical path adjusting device is simple in structure and reasonable in design, rotary fine adjustment of the optical path is achieved through threaded connection of the adjusting base and the flow cell cavity, the optical path can be adjusted without disassembling and assembling the flow cell, and convenience of experimental operation is improved. The lens and the cavity are directly matched and installed, the parallelism of the lens is ensured, and the detection precision is improved. In addition, a perfluoroether O-shaped sealing ring is adopted, so that the sealing performance is better, the corrosion resistance and the pressure resistance are stronger, and the stability and the reliability of equipment in a complex environment are ensured.

The invention relates to the technical field of electric energy meter wiring auxiliary equipment, and discloses a novel electric energy meter combined junction box, which comprises a junction box main body, guide raised lines arranged on the inner wall of the junction box main body and metal connecting pieces arranged between compression screws in a sliding manner, the metal connecting pieces are divided into a transverse metal connecting piece and a longitudinal metal connecting piece, and the transverse metal connecting piece and the longitudinal metal connecting piece are arranged at intervals in a staggered manner; by arranging the control mechanism and the driving mechanism, the manual and automatic dual control mode of the metal connecting piece is achieved, an operator can manually adjust the position of the metal connecting piece by rotating a button, and the metal connecting piece can be automatically controlled by rotating the button; the metal connecting piece can be automatically adjusted through a micro motor and a micro electric cylinder, operation is convenient and fast, applicability is high, and meanwhile through cooperation of multiple transmission modes such as gear transmission and bevel gear transmission, the precision and stability of metal connecting piece adjustment are improved.

This invention relates to the field of aircraft assembly technology and discloses an aircraft assembly lift, including a fixing assembly. The fixing assembly houses a first lifting assembly, and the first lifting assembly houses a fifth lifting assembly. The bottom of the fifth lifting assembly has a supporting foot, the top of which is fixedly installed to the bottom of the fixing assembly. The fixing assembly includes a fixed outer cylinder, an electrical unit fixedly connected to the outer side of the fixed outer cylinder, a support fixedly installed at the bottom of the fixed outer cylinder, a first cover fixedly connected to the outer side of the support, the outer side of the first cover fixedly installed to the outer side of the fixed outer cylinder, and a first gasket fixedly connected to the outer side of the support. This aircraft assembly lift uses four high-strength linear guides for its slide rails. When the lift is raised, it facilitates lateral drilling. When the lift is close to the aircraft fuselage or work frame, the handle can be rotated to tighten the screws and connect to the side interface.

The utility model relates to a clamping component for welding a garden cutter, which comprises a driving cylinder, a clamping component, a clamping component and a clamping component, and is characterized in that the driving cylinder is provided with a piston rod; the driving air cylinder is mounted on the base through a pin shaft; a first support plate and a second support plate, wherein the first support plate and the second support plate are both mounted on the base; the connecting piece is arranged between the first supporting plate and the second supporting plate, and the connecting piece is connected to the first supporting plate and the second supporting plate in a pivoted mode, so that the connecting piece can pivot relative to the first supporting plate and the second supporting plate; the pressing screw rod is installed on the connecting piece, and a nut is arranged at the end of the pressing screw rod; when a piston rod of the driving air cylinder stretches out and draws back, the connecting piece is driven to pivot relative to the first supporting plate and the second supporting plate, and therefore the pressing screw rod is driven to ascend and descend.

The invention provides an edge plate machining clamping device for a turbine guide vane of a gas turbine, and relates to the technical field of machining, a turbine guide vane to be machined is supported through a knife edge ruler and a ball head positioning pin arranged on an axial positioning seat, and main positioning and positioning in the in-out direction are achieved; an outer ring positioning seat, an outer ring pressing seat, a first guide pressing mechanism, a C-shaped pressing screw and a Z-shaped pressing plate are connected, and a lateral supporting force is applied in combination with an outer ring floating support, so that the turbine guide vane to be machined is tightly attached to a molded surface outer ring air inlet side positioning point; an inner ring positioning seat, an inner ring pressing seat, a first guide pressing mechanism, a C-shaped pressing screw and a Z-shaped pressing plate are connected, and in combination with an inner ring floating support, lateral supporting force is applied, so that the turbine guide vane to be machined is tightly attached to a molded surface inner ring air inlet side positioning point; and the blade body pressing seat, the limiting pin, the second guide pressing mechanism, the connecting rod and the check block apply downward pressing force, so that the main positioning surface of the turbine guide blade to be machined is tightly attached to the profile positioning point and the axial positioning point of the turbine guide blade.

The invention relates to an oil mill device for extracting oil from oil-containing seed material, comprising an oil mill with a tubular assembly (1), with a press barrel having an oil-containing seed material input with a tubular section (5), a tubular oil discharge (18), a tubular compression section (2) for oil-containing material, an oil-containing material output (65), an adjustable throttle (58) with an integrated heat exchanger (62), the press barrel accommodating a rotating compression screw (19) which is concentric to the press barrel (5), wherein the root diameter of the compression screw increases in the direction of travel from the oil-containing seed material input to the oil-containing material output (65).

The utility model relates to a roll insert cutter of indexable gear, and relates to a cylindrical gear processing cutter. The utility model solves the problems of traditional roll insert method, such as vertical installation, non-anti-upwarping and risk of loosening and falling during processing. The cutter body is in a circular structure, and the circumference of the cutter body is provided with uniformly arranged blade grooves. The roll insert cutter blade of hard alloy is arranged in the blade groove, and is pressed in the blade groove by a pressing screw. The blade is made into an inverted inclined surface, and the blade groove is made into a corresponding positioning form, so that a pressing force is naturally formed to prevent the blade root from being upwarping. The utility model saves cost and improves work efficiency, maximally improves the strength of the roll insert cutter, increases the cutting depth and cutting speed, and shortens the processing time.

The dental implant structure with the zero-degree composite abutment comprises an implant, the zero-degree composite abutment, a compression screw and a dental crown, the implant is in threaded connection with the zero-degree composite abutment, and the zero-degree composite abutment is in inserted fit with the dental crown and then compressed on the zero-degree composite abutment by the compression screw, so that full-screw connection is realized; and the defects caused by full glue connection and full clamping connection are avoided. The dental implant structure disclosed by the utility model is stable and reliable in overall connection strength, and a dental crown can be directly mounted on a zero-degree composite abutment.

The utility model relates to the field of machining, and discloses an automotive auxiliary tool for machining a large-size elastic washer, which comprises a chassis, a pressing ring, a compression screw and an auxiliary top tray, the chassis is installed on a three-jaw chuck of a lathe, the pressing ring is installed on the right end face of the chassis, and the pressing ring tightly presses the periphery of a rubber square plate on the right end face of the chassis. The auxiliary top tray is used for tightly jacking the middle part of the rubber square plate; a center hole matched with a movable center of a lathe tailstock is formed in the right end face of the auxiliary top disc, and the movable center abuts against the auxiliary top disc through the center hole. When being used for machining workpieces, the elastic rubber pad turning clamp can adapt to different sizes, can carry out turning machining on rubber pads with large elasticity, solves the problems of clamping and positioning in turning machining of the elastic rubber pads with large inner hole sizes, and meets the requirement for large-batch production and machining of the parts of the type.

The utility model discloses a stacked multi-star release mechanism adopting modular components, which is characterized by comprising a base (1), a separation seat (2), a T-shaped pressing rod (3), a pressing rod control block (4), a large pressing rod (5), a stacking column (6), a pressing cover (7), a hinge (8), a pressure spring A (9), a push rod component (10) and a pressing screw (11). The separation seat (2), the hinge (8) and the push rod assembly (10) are all modular assemblies, are simple in structure and easy to assemble and produce, and can be compatible with stacking columns in various forms.

The utility model discloses a circuit board welding clamp which comprises a base. Supporting arms are symmetrically arranged at the left end and the right end of the surface of a plate body of the base, and a bearing plate is hinged between the two supporting arms. A pressing mechanism is installed on the rear side edge of the bearing plate, and gear mechanisms are installed on the other three side edges of the bearing plate. The multiple pressing mechanisms are distributed along the rear side edge of the bearing plate at intervals, and each pressing mechanism comprises a fixing block, a threaded seat and a pressing screw rod; the fixing block is used for being fixedly connected with a bearing plate, the threaded seat is arranged at the top of the fixing block in a supporting mode, the pressing screw rod is assembled in a threaded hole of the threaded seat through a threaded structure, a twisting handle is arranged at the top end of the pressing screw rod, and a pressing head is arranged at the bottom end of the pressing screw rod. The probability that the circuit board is separated from the clamp is effectively reduced, unnecessary damage to the circuit board is avoided, and a more reliable fixing effect is provided for welding operation of the circuit board.

The invention relates to the technical field of shear tests, and discloses a combined shear box for a soil body sample under the action of a dry-wet cycle and a test method. Wherein the shearing box comprises a dry-wet circulation mold, a shearing outer box, a sample, a permeable stone, a bearing plate and steel balls, the dry-wet circulation mold comprises an upper mold body inner frame, a lower mold body inner frame, an upper permeable frame, a lower permeable frame, a rolling row and a pressing screw, and the shearing outer box comprises an upper shearing outer box and a lower shearing outer box; and the upper shearing outer box and the lower shearing outer box are respectively provided with a left force transmission connecting end and a right force transmission connecting end. According to the invention, a plurality of samples can be subjected to dry-wet circulation synchronously, the test arrangement is optimized, the manufacturing cost is obviously reduced, the problem that the sample structure is damaged in the transfer and water adding process in the traditional method is effectively solved, the test accuracy and reliability are improved, and the test efficiency is improved. The design of the permeable frame, the drainage channel and the water outlet hole accelerates the wetting and drying process of the sample, and shortens the total test time.

This application discloses a terminal block and a circuit breaker, relating to the field of circuit breaker technology. The terminal block includes a terminal frame and a terminal plate. The terminal frame includes an integrally formed base plate, side plate, and top plate. The top plate has threaded holes and is equipped with clamping screws. The terminal plate is inserted into the terminal frame and is arranged parallel to the base plate. The base plate has a plurality of first protrusions on the side facing the terminal plate, and the terminal plate has a plurality of second protrusions on the side facing the base plate. The first protrusions and second protrusions cooperate to clamp wires. The base plate and / or the side plate have at least one first hole, and the terminal plate has at least one second hole, with the second holes and second protrusions spaced apart. The terminal block and circuit breaker provided by this application can effectively improve heat dissipation performance, thereby avoiding wire loosening due to excessive temperature rise and improving the long-term safety and current-carrying stability of the circuit breaker.

This invention discloses a bridge concrete pile strength testing device, specifically relating to the field of compressive strength testing technology. It includes a threaded sleeve, a compression screw, a pressure shaft sleeve, and a multi-dimensional strength testing component. The multi-dimensional strength testing component comprises a pressure sensor, a pressure block, an inclined pressure frame, a pressure rod, a pressure sleeve disc, an inclined rotating shaft, and an arc-shaped corner block. This invention, through its multi-dimensional strength testing component, allows the pressure sensor, pressure block, and inclined pressure frame to tilt and move downwards synchronously, enabling comprehensive testing of the strength at the arc-shaped edge of the concrete sample block. This effectively compensates for the shortcomings of traditional compressive strength testing, broadens the applicability of the testing method, and avoids affecting the effective judgment of bridge structural safety and quality. It thus solves the problem of difficulty in applying multi-dimensional stable deflection forces to the arc-shaped edge of the pile for testing, leading to poor applicability of the testing method and affecting the effective judgment of bridge structural safety and quality.

The utility model discloses a processing and positioning device and a processing system for an inspection block. The processing and positioning device for the inspection block comprises a clamp body, a workpiece mounting groove is formed in the clamp body; a to-be-processed inspection block blank is placed in the workpiece mounting groove; the front end of the clamp body is provided with a first compression screw which is longitudinally distributed; the inspection block blank piece is located right behind the first compression screw; the right end of the clamp body is provided with a screw sleeve; the thread sleeve is in threaded connection with a second compression screw which is vertically distributed; the inspection block blank is located right below the second compression screw; two first positioning pins are vertically arranged at the rear end of the clamp body in a penetrating manner; a second positioning pin is vertically arranged on the front side of the clamp body in a penetrating manner; and the front side and the rear side of the inspection block blank are respectively contacted with the second positioning pin and the first positioning pin. The positioning device can conveniently and reliably position the blank of the inspection block, ensures the positioning accuracy, is favorable for further processing the vertical through hole of the workpiece, and ensures the processing accuracy.

The utility model relates to liquid flow battery small electric pile loading technology field discloses a kind of liquid flow battery small electric pile loading auxiliary device, including base, the side surface of base is hinged with compression screw, compression nut is arranged on the compression screw;Upper pressing plate is movably arranged above the base, and accommodating groove is formed in the side wall of upper pressing plate;Electrode liquid inlet and outlet hole and fastening screw hole are formed in upper pressing plate and the base;When working, small electric pile is placed between the base and the upper pressing plate, the compression screw is folded along hinged point and placed into the accommodating groove, and the compression nut is rotated and abuts on the upper pressing plate to complete pre-compression operation;The utility model can improve the sealing performance of electric pile, reduce the probability of electrolyte leakage, and avoid the repeated disassembly caused by poor sealing performance, the emergence of the problem of time-consuming and labor-saving, simple structure, easy to operate and use, strong practicality.

The application discloses a double-stage compression screw air compressor, which comprises a base, an air compressor assembly, a transmission assembly and a driving assembly are arranged on the upper end face of the base, the air compressor assembly comprises two supports fixed on the upper end face of the base, air compressor housings are fixed on the upper end faces of the two supports, two screw rods are rotatably arranged in the inner cavities of the air compressor housings, and upper cover bodies are arranged on the upper end faces of the air compressor housings through bolts. In the application, the double-stage air compressor is composed of two oppositely arranged air compressors, a plurality of driven gears are arranged on one side of each of the two air compressors, a driving gear is arranged on the surface of a moving rotating rod, the driving gears with different diameters are engaged with the plurality of driven gears, the rotating speed of the two air compressors can be controlled and adjusted, the air pressure of the air compressor can be adjusted, the air compressor can be adapted to different working environments, the air pressure of the air compressor can be adjusted, the gas can be compressed to a proper pressure in the low-pressure stage and then sent to the high-pressure stage, and the compression efficiency of the pressure stage is improved.

The utility model discloses a thighbone inner side supporting frame, and relates to the technical field of medical instruments, the thighbone inner side supporting frame comprises a supporting frame main body, the supporting frame main body comprises a fixing part and a first body which are connected in a bending mode, and the fixing part is used for being fixedly connected with a thighbone; the second body is arranged on the first body, and the second body can slide in the extending direction of the supporting frame body. The second body is arranged and can slide in the extending direction of the supporting frame main body, so that the femoral head can be finely adjusted to a proper position along with the screw and the second body, the wound gap of the femur is reduced, and recovery of the femur is facilitated; the shear stress of the supporting frame body to the femur can be converted into favorable pressure stress, the stability of combined fixing of the supporting frame body and the hollow compression screw is improved, the failure risk of the hollow compression screw in the fracture healing process is reduced, and then the risk that the femoral neck fracture is difficult to heal is reduced.

The utility model discloses an energy-saving injection molding machine screw, which relates to the technical field of injection molding machine screws, and comprises a metering screw, a compression screw and a feeding screw, the metering screw, the compression screw and the feeding screw are respectively provided with a connecting groove, the connecting groove is of a herringbone structure, one end of the connecting rod is provided with a through hole, and the other end of the connecting rod is provided with a through hole. A connecting groove is formed in one end of the connecting rod, the connecting rod is matched with the connecting groove, a connecting groove is formed in the end of the piston rod, the interior of the piston rod is of a hollow structure, the fixing assembly is arranged at the other end of the connecting rod and used for fixing the metering screw, and the three clamping assemblies are arranged at the top of the connecting rod. According to the utility model, when one section of the feeding screw rod, the compression screw rod and the metering screw rod is damaged, only the damaged screw rod needs to be replaced, and the whole screw rod does not need to be replaced, so that the cost is saved, and the resource waste is avoided.

This invention discloses a fault-prevention device for cutting multiple pins of different lengths. It features an insertion template and a pressure plate. The insertion template is located on the upper surface of a stationary blade and has a first opening groove in the middle. The bottom surface of the groove has a shaped through hole, the shape of which matches the workpiece's shape and its position corresponds to the pin insertion holes and solid pin insertion holes. The bottom surface of the pressure plate has a third opening groove for engaging the insertion template. The pressure plate and mounting base are locked together by locking bolts. The upper surface of the pressure plate has multiple threaded holes, with tightening screws threaded into each hole to secure the stationary blade and the insertion template. This invention, by using a shaped through hole in the insertion template, ensures correct workpiece insertion direction. A fiber optic sensor detects workpiece positioning information; only when the workpiece is correctly inserted will the cylinder be activated to cut the pins. This effectively prevents incorrect pin cutting and workpiece misalignment leading to insufficient pin length tolerance, avoiding significant cost waste due to product scrap.

The utility model provides novel double-shaft-extension high-voltage motor-driven double hosts, belongs to the technical field of driving systems, and aims to solve the problems that in the mounting process of the existing double-shaft-extension high-voltage motor-driven double hosts, the axial positions of a motor and the hosts need to be repeatedly adjusted for many times to ensure that couplings are concentric, and the operation efficiency is low. Comprising a mounting plate, a first mounting bracket, a first coupling, a positioning mounting assembly and a quick centering assembly, the first mounting bracket is arranged on the mounting plate; the two first couplings are coaxially and fixedly connected to the ends of two output rotating shafts of the high-voltage motor correspondingly. The positioning mounting assembly is arranged inside and above the mounting plate; and the two groups of quick centering assemblies are respectively arranged below the two two-stage compression screw main machines. According to the utility model, the rapid blind operation positioning of the high-voltage motor is realized, the position calibration of the two-stage compression screw host and the high-voltage motor and the coupling centering process are simplified, the manual debugging steps are reduced, and the equipment installation and debugging time is greatly shortened.

This application relates to a centrifugal air compressor device and its usage method, belonging to the field of air compressor technology. It includes a worktable, a compression cylinder, and an air inlet box. The compression cylinder is disposed on the worktable and contains a compression screw. A rotating rod is coaxially inserted into the compression cylinder, driven by a rotary motor. The compression screw is sleeved on the rotating rod. Several protrusions are provided on the inner wall of the compression cylinder, forming an air passage between the compression screw and the protrusions for gas flow. The top of the air inlet box is open, and the bottom of the air inlet box is connected to the compression cylinder via an air inlet pipe. An exhaust pipe is connected to the bottom wall of the compression cylinder. A filter plate is provided in the air inlet box to prevent gas from entering the air inlet pipe. A replacement assembly is provided on the air inlet box, connected to the filter plate, for replacing the filter plate. This application has the advantage of facilitating direct replacement of the filter plate, thus improving work efficiency.

An engine stand having rotating features and an adapter to adjust the position of the center of gravity of a mounted engine. The adapter comprises a backing body and an adjustment body, the adjustment body having an adjustable linear displacement with respect to the backing body and a rotation axis of the engine stand. The linear displacement of the adjustment body is adjusted via a forcing screw.

The utility model provides a square part width detection measuring tool which is composed of a body, a screw, a mandrel, a left shaft sleeve, a bearing, a right shaft sleeve and a self-made compression screw. The body is connected with a dial indicator measuring head through a screw, and a rolling friction assembly composed of a mandrel, a left shaft sleeve, a bearing and a right shaft sleeve is arranged in a U-shaped groove of the body. The left shaft sleeve, the bearing and the right shaft sleeve are sequentially arranged outside the mandrel body; a self-made compression screw is screwed with an internal threaded hole in the center of the mandrel to compress and connect the whole assembly with the body; the bearing outer ring replaces the dial indicator measuring head to be in rolling friction contact with the square part to achieve size detection of the square part. Sliding contact friction between the measuring head and a part is improved into rolling contact friction, the technical problems of low width dimension detection precision, poor measurement stability, low efficiency and easiness in scratching the surface of the part or wearing the measuring head of the square part are solved, the structure is reasonable, the operation is simple and easy to operate, the requirement on operators is greatly reduced, and the working efficiency is improved. The production efficiency is obviously improved and the production cost is saved.

The invention belongs to the technical field of coil shaping, and particularly discloses a distribution transformer long circular coil shaping device which comprises a hydraulic device, a coil assembly and a clamping device. The hydraulic device comprises a vertical plate, a baffle arranged on the vertical plate, a fixing plate and a hydraulic cylinder, the hydraulic cylinder is fixedly connected with the fixing plate through a fixing flange, the baffle is located at one end of the vertical plate, the fixing plate is located at the other end of the vertical plate, and the telescopic end of the hydraulic cylinder faces the baffle; the coil assembly comprises at least three coils which are sequentially arranged in the radial direction. The coil assembly is arranged in the clamping assembly, and the clamping assembly is arranged between a baffle and a vertical plate of the hydraulic device. The coil short shaft is pressed to the design size through the shaping device and the hydraulic device, the pressing screw is fastened, the problems that the coil short shaft winding is too large, the phase-to-phase distance is not enough due to coil sleeving, and a device body is difficult to assemble are solved, the coil radial size and the coil axial size are guaranteed, the coil mechanical strength is effectively enhanced, and the coil winding efficiency is improved. And the anti-short-circuit capability of the transformer is improved.

This utility model discloses a bellows leak detection connector, relating to the field of bellows testing fixtures. It includes a female connector body, a male connector body, a clamping component, a sealing ring, and a clamping screw, all coaxially arranged. The female connector body has a mounting hole machined within it. One end of the male connector body and the clamping component are both disposed within the mounting hole. The male connector body is threadedly connected to the female connector body. When the male connector body is threadedly tightened, the clamping component is fixed within the female connector body. The clamping component includes two semi-circular retaining rings that engage to form a circular shape. The inner ring of the clamping component is adapted to the shape of the outer corrugated trough of the bellows to be tested. One end of the clamping screw and the sealing ring are both disposed within the male connector body. The clamping screw is threadedly connected to the male connector body, and its end is adapted to the sealing ring. A through channel is machined axially within the clamping screw. This leak detection connector can be conveniently and quickly connected to the end of a bellows, allowing the bellows end to be directly connected to a testing pipeline or used for sealing.