1811 results about "Reciprocating motion" patented technology

The invention discloses a device for measuring flowability of explosive modeling powder, which comprises a step-press-loading analogue unit, a timing and weighing unit and a computer control unit, wherein the step-press-loading analogue unit directly and indirectly drives a screw rod which extends into a blanking bin to rotate and perform reciprocating movements along an axial line and drives a pusher dog in the blanking bin to perform the reciprocating movements along an arc section through the combined action of a cylinder and a pneumatic reversal valve so as to ensure that the explosive modeling powder in the blanking bin falls into the timing and weighing unit, and the process more truly imitates an explosive conveying process of an explosive step-press process. The timing and weighing unit transmits a weighing value of the explosive modeling powder which falls in the timing and weighing unit to the computer control unit in real time, and the computer control unit calculates the instantaneous flow speed of the explosive modeling powder of a north side and generates a flow speed-time curve according to sampling data. The device can measure the flowability of the explosive modeling powder so as to provide an objective basis for choosing a proper explosive step-press process for the explosive modeling powder.

The invention provides a multifunctional cycle power generation system and method by a gravity lever. The system comprises a supporting rack and a balance weight arranged on the supporting rack and slidably matched with the supporting rack, wherein engines are arranged on one side or two sides of the balance weight; the input shaft of each engine is connected to a transmission shaft; two or more single-directional clutches are fixedly connected to the middle of the transmission shaft; the locking directions of the single-directional clutches are same, gears are fixed to the peripheries of thesingle-directional clutches, and a rack matched with each gear to drive the transmission shaft to rotate is arranged next to each single-directional clutch; at least one pair of racks is arranged on the upper part and the lower part, separately, the racks and the balance weight which reciprocates are in driving movement and the balance weight is arranged on the supporting rack to swing through a lifting mechanism in a reciprocating manner. As the balance weight which swings in the reciprocating manner pulls the racks to drive the transmission shaft to rotate in the single direction, multiple engines can be driven synchronously to generate electricity synchronously, and the power needed by a supporting rack lifting device is alleviated greatly by means of a swing mode like to a lever, so that the energy sources are saved and the power generation efficiency is improved greatly.

This invention discloses a clothes drying rack, including a main unit, a lifting mechanism, and a bracket. The bracket is connected to the main unit via the lifting mechanism. The bracket includes a telescopic frame that can extend and retract along a first direction. The telescopic frame is linked to the lifting mechanism. During the lifting process, the telescopic frame extends and retracts along the first direction. The telescopic frame has a drying position relatively far from the bracket and a storage position relatively close to the bracket in the first direction. A movable drive component is provided on the bracket for connection with the lifting mechanism. During the lifting process, the drive component reciprocates relative to the bracket in a preset direction. The drive component and the telescopic frame are connected by a first transmission assembly. This invention allows the drying rod installed on the telescopic frame to be close to the bracket in the storage position for easy clothing storage, and in the drying position, the drying rod is located relatively far from the bracket, providing a larger drying area for the clothes.

This invention discloses a synchronous belt stroke multiplier mechanism, comprising a frame, a first extension mechanism, a second extension mechanism, and a third extension mechanism. The first extension mechanism is slidably connected to the frame, and a rotary motor is also mounted on the frame. The rotary motor further drives a first synchronous belt module, and a second synchronous belt module connected to the first synchronous belt module is also mounted on the frame. The first extension mechanism is connected to the second synchronous belt module. This invention uses a motor as a power source, and the cooperation between the multi-stage synchronous pulley group and the clamping block enables the three-layer extension mechanism to slide out sequentially from bottom to top, making full use of the vertical stacked space. With the same stroke output, the overall space occupied is smaller, making it particularly suitable for scenarios where space is limited but a large range of reciprocating motion is required.

The application provides a synchronous lifting type latex balloon forming device, which comprises a support frame, a driving mechanism, a transmission mechanism, a lifting mechanism, a latex tank and a mold. The driving mechanism comprises a driving motor and a driving wheel, the transmission mechanism comprises a synchronous belt, two driven wheels and two parallel ball screws, and the lifting mechanism comprises a synchronous plate, four vertical columns and a support. The driving motor drives the driving wheel, which is connected to the driven wheels through the synchronous belt, so that the two ball screws rotate synchronously, the synchronous plate, the vertical columns and the support are lifted, and the mold reciprocates along the axial direction of the first ball screw and the second ball screw from the initial position to the inner bottom groove of the latex tank. By controlling the operation time of the motor, stable lifting without shaking is realized, and the problems of uneven thickness and wavy lines of the balloon forming are solved.

The present application relates to the field of rock mechanics property testing, and discloses a test device for rock shear creep impact disturbance loading. The device comprises a control box, an air compressor, a fixed plate, a pressure sensor, a fixed base, an air cylinder, a speed regulating throttle valve, an anti-rotation rod, an anti-rotation plate and a ram. The control box is connected with the pressure sensor and the air compressor through wires; the loading end of the pressure sensor is connected with the fixed base, and the base is installed on the fixed plate; the rear end cover of the air cylinder is connected with the fixed base, and the piston rod end is connected with the ram; the lower part of the ram is provided with an anti-rotation rod connecting lug, and the anti-rotation rod is fixed with the anti-rotation plate through the connecting lug. The air compressor is connected with the speed regulating throttle valve, the ram reciprocating motion is controlled by adjusting air pressure through the control box, and shear impact disturbance loading is realized. The present application can simulate real disturbance working conditions such as blasting and earthquake, has intelligent regulation and control functions of disturbance frequency and load, and is suitable for rock shear creep impact disturbance test.

The riveting mechanism comprises a base, a driving assembly, a limiting plate, a profiling tool and a rivet jaw assembly. The driving assembly is arranged on the base and used for providing a driving force. The limiting plate is arranged on the base. The profiling tool is rotatably arranged on the base and driven to rotate by the driving assembly. The rivet jaw assembly can be guided by the limiting plate and move in a preset direction. When the profiling tool rotates back and forth, the rivet jaw assembly can move back and forth in the preset direction.

The present invention addresses the problem of providing a fuel supply system capable of appropriately controlling the amount of fuel supplied from a high-pressure pump to an in-cylinder injection valve of an engine in accordance with a change in the operating state of the engine. A fuel supply system is provided with: a high-pressure pump for supplying fuel stored in a fuel tank from a low-pressure fuel passage to an in-cylinder injection valve of an engine; and a control device that controls the high-pressure pump, the high-pressure pump including: a pressurizing chamber that pressurizes fuel in accordance with reciprocating motion of a plunger in conjunction with rotation of the engine; a suction passage communicating the low-pressure fuel passage and the pressurizing chamber; a discharge passage that communicates with the pressurizing chamber and the in-cylinder injection valve; an electromagnetic suction valve that adjusts the amount of fuel sucked into the pressurizing chamber from the low-pressure fuel passage; and a discharge valve which is provided in the discharge passage and which permits the flow of fuel from the pressurizing chamber side to the in-cylinder injection valve side but restricts the flow in the opposite direction.

The utility model discloses a kind of circuit board processing auxiliary tool, it is related to circuit board processing technical field, including movable movable frame, the placing assembly for storing circuit board is provided in movable frame upper portion, support assembly is provided in movable frame lower portion, support assembly includes driving part and the moving block of driving part transmission connection, two vertical blowing ion fan of surface fixed mounting is installed on moving block, driving part is configured as driving moving block ion fan is made transverse reciprocating motion along the direction parallel to the bottom surface of placing assembly.By driving part driving ion fan transverse reciprocating movement along placing assembly lower portion, dynamic, uniform electrostatic elimination can be carried out to circuit board, effectively avoid local electrostatic accumulation.Ion fan reciprocating motion coverage range is wide, can ensure that circuit board is always in non-static environment in transport process, significantly reduce the damage risk of electrostatic discharge to precision component.

This invention relates to the field of directional valve technology, specifically a miniature explosion-proof pneumatic directional valve with a redundant anti-jamming structure. It includes a housing with an internal air passage, a valve stem slidably disposed within the housing, a pneumatic piston connected to one end of the valve stem for driving the valve stem to reciprocate, a valve core slidably mounted on the valve stem and located within the air passage, and an anti-jamming component connected between the valve stem and the valve core. This component includes a positioning disc fixedly connected to the surface of the valve stem and an energy storage spring sleeved outside the valve stem, with both ends of the energy storage spring abutting against the positioning disc and the valve stem, respectively. When the valve core jams within the air passage, the valve stem can overcome the resistance of the anti-jamming component and continue moving relative to the valve core, allowing the anti-jamming component to store energy. When the stored energy reaches a threshold, the anti-jamming component releases the energy to drive the valve core to generate an impact motion.

The present disclosure provides an apparatus and method for manufacturing a secondary battery, in which it is possible to minimize damage to a separator and increase welding strength by maintaining a safety distance between a stack of an electrode assembly and a current collector and also securing good adhesion between an electrode tab and a current collector when the current collector is welded to the electrode assembly. The apparatus for manufacturing a secondary battery includes a side pusher disposed to correspond to an electrode assembly having an electrode tab and formed to move and press a sub-tab, which will be welded to the electrode tab, toward the electrode tab through linear movement, a first driving module that allows the side pusher to linearly reciprocate, a support jig installed so that a position thereof is adjustable between the electrode assembly and the side pusher, and a second driving module configured to stop movement of the support jig while the sub-tab is in contact with the electrode tab and allow the support jig to block a pressing force of the side pusher from being further transmitted to the electrode tab.

The utility model belongs to ship equipment technical field discloses a kind of wave compression device and boat. Wave compression device includes hinged six-bar mechanism, spoiler piece and rotary drive part, rotary drive part drives spoiler piece rotation by hinged six-bar mechanism, to make spoiler piece have the working position of extension into water. The utility model is driven by first connecting rod continuous rotation, by the hinged transmission of fourth connecting rod and spoiler piece, the swing angle of spoiler piece is naturally limited by the rotation range of first connecting rod, without setting rigid stroke end, allowing rotary drive part continuous rotation, without reversing, avoid the "overshoot phenomenon" of traditional reciprocating motion, eliminate the vibration, wear and tear and control deviation problem caused by overshoot fundamentally.

Provided is a hand-cranked driving device, including a shooting component and a hand crank. The shooting component includes a shell, a connecting shaft rotatably penetrating through both sides of the shell, a first groove body and a second groove body respectively fixed to both ends of the connecting shaft, a piston rod movably connected in the shell in a reciprocating manner, and a driving wheel in driving connection to the piston rod through a driving component. A first clamping portion is arranged on the first groove body. A second clamping portion clamped with the first clamping portion is arranged on the driving wheel. The hand crank includes a connecting rod. The connecting rod is detachably fixed in the first groove body or the second groove body. Further provided is a hand-cranked water gun with the hand-cranked driving device.

The utility model relates to the field of aquaculture technology, and disclose a kind of assembled aquaculture box, including box, the box top is provided with top cover, the top cover top side is fixedly connected with bait box.The utility model is through the cooperation of bolt and thread hole to realize the quick disassembly and assembly of box and top cover, significantly improve the portability and assembly efficiency of aquaculture box, applicable to different scale breeding scene, top cover integrated feeding assembly and aeration assembly, wherein feeding assembly is rotated by motor drive flail rod, so that bait is evenly thrown to the box through feeding port, avoid bait accumulation, improve feeding accuracy, aeration assembly utilizes cam to promote piston rod reciprocating motion, cooperate check valve to realize efficient oxygenation, ensure water body oxygen stability, to significantly improve the survival rate of aquatic products, the design is through mechanical linkage to realize the collaborative operation of feeding and aeration, reduce energy consumption and artificial management cost.

The present application relates to the technical field of cutting machine, disclose a kind of fixed-length cutting machine for polyester staple fiber production, including machine case, further comprising: reciprocating swing mechanism, installation in the front and back of the machine case, by servo motor output end rotation link with rocker reciprocating motion;Top pressure mechanism, installation in the top of the inner wall of the machine case, by top pressure cylinder telescopic end driving connecting frame and lifting frame complete vertical direction lifting adjustment;In the present application, servo motor will drive link do circular rotation after starting, link end portion pull rocker reciprocating motion, cooperate with the sliding limit of slider along linear slide rail, while driving sliding sleeve along the sliding of rocker outer portion, promote the first guide pulley of flatting roller both ends along path guide rail reciprocating motion, so that flatting roller can reciprocating roll along the surface of cutting platform top polyester staple fiber tow, advance the tow of slack wrinkle flatness, effectively avoid the problem of insufficient cutting length accuracy caused by wrinkle slack.

This utility model discloses an airtightness testing device, including a support structure, a testing structure, and an airtightness tester. The testing structure includes a lower mold fixed to the top of the equipment base and an upper mold fixed to the bottom of a transmission structure. The upper mold is connected to the transmission structure mounted on a fixed plate, and the transmission structure drives the upper mold to reciprocate vertically. Air pump assemblies are connected to both the lower and upper molds. A waterproof connector to be tested for airtightness is provided between the upper and lower molds, and the bottom of the upper mold and the top of the lower mold are respectively provided with a connecting groove and a insertion groove for the waterproof connector. The two ends of the waterproof connector communicate with the interior of the upper and lower molds, respectively. A pre-installed airtightness tester for testing the internal air pressure of the mold is connected to both the upper and lower molds. This utility model solves the problem that internal damage cannot be visually identified because the sealing gasket at the installation position of the waterproof connector is generally embedded in the connector.

The present invention provides a stroke control device of a multi-wire saw, the device comprising: a spool having a cylindrical shape, having flanges at both ends, which protrude from the outer circumferential surface thereof in the circumferential direction, having a starting point of a wire unwinding point formed adjacent to the inner surface of any one of the flanges, and having a wire wound thereon through rotation; a pulley which guides a wire delivered from a cutting area, to the unwinding point; a traverse which linearly reciprocates a traverse arm having the pulley installed thereon, along the axial direction of the spool to correspond to a stroke by which the wire is wound on the spool; a lidar sensor which detects a position of each flange or a distance between the flanges; and a control unit which controls the traverse such that the wire delivered from the pulley at the unwinding point formed on the outer circumferential surface of the spool maintains a direction orthogonal to the axial direction.

This utility model provides a flanging device for product flanging, comprising: an upper mold and a lower mold. The upper mold is provided with an adjacent pressure block and a side pressure block. The side pressure block has a first guide surface on the side facing the pressure block, and a first side forming surface on the side of the pressure block near the side pressure block. The lower mold is provided with an adjacent flanging part and a slider assembly. The slider assembly has a second guide surface on the side away from the flanging part, and a second side forming surface on the side of the slider assembly near the flanging part. The side pressure block drives the slider assembly to reciprocate between a separation position and a forming position through the first guide surface and the second guide surface. The beneficial effects of this utility model include at least the following: when the upper mold is driven to move downward, the pressure block contacts the flanging part to form the product to be processed, and the first side forming surface and the second side forming surface shape the side of the product to be processed, thereby simultaneously achieving the front forming and side shaping of the product to be processed.

This application relates to an arc-shaped traction device, mounted on one side of a traction bed, belonging to the field of medical devices. It includes an arc-shaped slide rail and a hollow traction trolley. Two arc-shaped slide rails are provided, bending towards the side closest to the traction bed. A toothed groove is formed on the other side of the arc-shaped slide rail along its length. The traction trolley includes a traction shaft and a guide roller assembly. The traction trolley is configured to be mounted on the arc-shaped slide rail via the guide roller assembly and to reciprocate along the arc-shaped slide rail. The traction shaft is rotatably mounted inside the traction trolley via an elastic winding member. Arc-shaped locking teeth are coaxially mounted on the traction shaft. The traction shaft is configured to engage the arc-shaped locking teeth with the toothed groove via the elastic winding member to suspend the traction trolley; or, when the traction trolley moves to the end of its stroke, the elastic winding member further contracts to buffer the impact on the traction trolley. This improves the energy efficiency of the device while also enhancing its safety in the event of emergencies.

The application discloses a kind of iron ore mining underground pollution gas reciprocating self-cleaning detection device, it is related to pollution gas detection technical field, it includes detection shell, detection shell both ends are equipped with filter screen, and the inside sliding installation movable plate separates it into two independent cavities;Movable plate is fixed with cavity plate, cavity plate is equipped with gas detection head, and gas head is respectively inserted into two cavities with control valve on the both sides of cavity plate;The driving assembly in detection shell drives movable plate reciprocating motion.This device realizes unilateral suction detection, unilateral exhaust self-cleaning alternate work by movable plate reciprocating motion, solves the problem that filter screen of traditional device is easy to block, guarantees detection precision, without manual frequent cleaning, adapt to underground harsh environment, improve detection reliability and operation safety.

This utility model pertains to medical equipment, specifically to devices designed for therapeutic and preventative self-massage and exercise. The purpose of the utility model is to improve efficiency and expand functionality by combining gymnastic exercises and self-massage, expanding technical and operational capabilities, and simplifying and compacting the design for ease of transportation and repair, as well as for use at home, fitness centers, and rehabilitation facilities.The technical result is achieved due to the fact that the massager-trainer, containing a platform and support rollers placed on the platform, is characterized in that it additionally includes seats placed between the support rollers at an angle of 15° to each other, with the possibility of longitudinal reciprocating movements of no more than half the length of the platform along rolling rollers united by separators, and stoppers with limiters secured to the platform under the seats and made with the possibility of adjusting the length of movement of the seats, wherein the support rollers are in pairs and mounted on a common platform, the upper boundary of the support rollers is located above the level of the seats, and the outer diameters D of the rollers sequentially along the seats are equal to D, 0.5D; 0.75D and D, and the seats are kinematically connected by toothed racks installed between the seats on the inside, and rack pinions engaging with the racks.The proposed device improves the effectiveness and significantly expands the functionality of the massager-trainer due to its simple and compact design, combining gymnastic exercises with self-massage. Its technical and operational capabilities are also expanded due to its ease of transportation and repairability, making it suitable for use at home, in fitness centers, and in rehabilitation facilities.

This disclosure provides a cleaning module, cleaning equipment, and cleaning system, targeting the field of smart home technology. The cleaning module includes a lifting mechanism and a cleaning head. The lifting mechanism includes a fixed component, a lifting component, a mounting component, and a first drive assembly. The first drive assembly is configured to drive the lifting component to rotate forward or backward. The lifting component is rotatably connected to the fixed component and can reciprocate between a first position and a second position relative to the fixed component along the rotation axis. The mounting component is axially upper-limit connected to the lifting component and can reciprocate along the axial direction under the drive of the lifting component. The cleaning head is connected to the mounting component. The lifting component has a first cleaning position and a second cleaning position between the first and second positions. When the lifting component is in the first cleaning position, the cleaning pressure of the cleaning head on the surface to be cleaned is less than when the lifting component is in the second cleaning position. The cleaning module provided by this disclosure has a compact structure and high space utilization.

Cleaning method for cleaning a frame unit (11) comprising a fixed object (1), a band (7) attached to a lower surface (1b) of the fixed object (1), and an annular frame (9) to which an outer circumferential section of the band (7) is attached, wherein the cleaning method comprises: a holding step involving holding the frame unit (11) on a holding surface of a rotary table (8); a cleaning step for a fixed object comprising cleaning the fixed object (1) by ejecting a cleaning fluid (38a) from a cleaning nozzle (38) during a rotation of the rotary table (8) holding the frame unit (11) and a reciprocating movement of the cleaning nozzle (38) along a first path that runs above a center point of the holding surface and extends from above one end of an outer circumferential edge of the fixed object (1) to above another end of the outer circumferential edge of the fixed object (1); and a frame cleaning step separate from the cleaning step for a fixed object, with cleaning of the frame (9) by expelling the cleaning fluid (38a) from the cleaning nozzle (38) to the frame (9) during a rotation of the rotary table (8) and a back-and-forth movement of the cleaning nozzle (38) along a second path that includes an area above the frame (9).

This utility model relates to the field of cutting device technology, specifically to a reciprocating rebar mobile saw. It includes a mobile cutting table, a cutting assembly at the lower part of the mobile cutting table, a reciprocating assembly at the bottom of the cutting assembly for driving the cutting assembly to reciprocate along an arc, and a pair of drive assemblies fixedly mounted on the top of the mobile cutting table for moving the rebar. Two clamping rings located on the same x-axis are pushed closer together along a guide rod, clamping the rebar while ensuring that the area near the cutting point remains taut, thus preventing displacement of the cutting point after bending due to differences in flexibility at different parts of the rebar. After the rebar is cut by the saw blade, both clamping rings lose the constraint of the intact rebar. Under the restoring force of two first springs, the two clamping rings drive the two cut rebar segments away from the saw blade, thus preventing the rebar cut from being worn by the side of the saw blade.

This invention discloses a sliding-rolling seal structure, comprising: a sealing housing adapted to connect with an adjusting plate; at least one elastic connecting component, one end of which is slidably disposed on the sealing housing, and the other end of which is configured as a ball head; and a sealing component having a ball head receiving cavity, the ball head of which extends into and rolls with the ball head receiving cavity, and the end of the sealing component away from the elastic connecting component being adapted to abut against a fixed sidewall. This invention solves the sealing requirements of reciprocating motion with varying fit clearance between the adjusting plate of the air intake or nozzle and the sidewall of the air intake or nozzle under ultra-high temperature environments, and replaces sliding displacement with rolling displacement within a certain stroke range, improving the lifespan, reliability, and working characteristics of the sealing component. This invention adopts a modular design, featuring simple structure, high reliability, convenient storage and transportation, and low assembly requirements.

This invention discloses an overload-resistant heat dissipation distribution transformer, comprising a transformer body with multiple heat dissipation pipes at both ends. The upper and lower ends of each heat dissipation pipe are connected to a manifold, which is interconnected with the transformer body. A heat dissipation cleaning component is slidably connected to the heat dissipation pipe, and a water storage component is installed on the upper manifold. A reciprocating screw is driven to the heat dissipation cleaning component. This device features fully automatic reciprocating pipe wall cleaning, relying on the reciprocating screw to drive the heat dissipation cleaning component to continuously move up and down. Through symmetrically arranged cleaning rings and cleaning cotton, it achieves full-stroke, dead-angle-free descaling of the heat dissipation pipe. Combined with a spring-loaded elastic contact structure and end-beveled anti-scratch design, it can continuously remove dust, oil, and stubborn dirt from the pipe wall without damaging the equipment structure, thoroughly solving the problems of easy scale accumulation and gradual decline in heat dissipation efficiency in traditional distribution transformer heat dissipation pipes.

This invention discloses a dynamic testing machine for the joint strength of abrasive belts, relating to the field of new material testing technology. It includes a worktable with symmetrically fixed vertical plates on its left and right sides. A driving mechanism is installed on the worktable, driving the abrasive belt body to move left and right in an orderly manner. Clamping structures are symmetrically installed on the driving mechanism. This dynamic testing machine for the joint strength of abrasive belts, through the clamping structures and driving mechanism, can both achieve static tensile strength testing of the abrasive belt joint via traction by a first cylinder, accurately measuring the tensile strength at joint breakage, and drive the abrasive belt to reciprocate left and right via the driving mechanism, cooperating with a first friction mechanism and a second friction mechanism to achieve dynamic friction tensile testing. This perfectly replicates the motion state and friction of the abrasive belt during actual grinding, making the test data more valuable and providing a reliable basis for abrasive belt quality evaluation.