25 results about "Scissors mechanism" patented technology

A portable folding pulling cart includes a pulling cart frame. The pulling cart frame includes a folding frame and a wheel mechanism configured to be mounted on the folding frame. The folding frame includes two first scissor mechanisms arranged at intervals in a left-and-right direction and two second scissor mechanisms arranged at intervals in a front-and-rear direction. Each of the two first scissor mechanisms includes at least two first scissor units, and each of the two second scissor mechanisms includes at least one second scissor unit. An upper part of one of connecting rods of adjacent two first scissor units is bent. The upper ends of the adjacent two first scissor units are respectively pivotally connected to two upper pivoting points, and the lower ends of the adjacent two first scissor units of the at least two first scissor units are respectively pivotally connected to two lower pivoting points.

The application discloses a strawberry picking end effector and a working method thereof. The effector comprises a grabbing mechanism, an electric scissors mechanism and a controller. The electric scissors mechanism comprises a scissors frame, a micro electric push rod and a scissors connecting rod. The scissors frame comprises two symmetrically arranged X-shaped cross rods. The two ends of the same side of the two X-shaped cross rods are connected by one scissors connecting rod. The two ends of the same side of the two scissors connecting rods are connected by one micro electric push rod. The grabbing mechanism is arranged between the two X-shaped cross rods. The grabbing mechanism comprises a mechanical palm and pneumatic fingers. The mechanical palm is installed in the middle of the scissors frame. The pneumatic fingers are arranged on one side of the mechanical palm in a plurality of and circumferential arrangement. The pneumatic fingers are located on one side of the cutting part of the scissors frame. In the application, the pneumatic flexible mechanical fingers are used to grab the strawberries, so that the picking process is beneficial to avoid the mechanical damage of the strawberries.

The utility model belongs to the technical field of food processing equipment, and particularly relates to a cutting device and a shearing machine, the cutting device comprises a conveying channel, a cutter and a shear mechanism, the conveying channel is provided with a first gap and a second gap which are arranged at intervals along the conveying direction, the first gap is located at the upstream of the second gap, and the cutter corresponds to the first gap. The cutter is arranged in the first gap, the axial direction of the cutter is parallel to the conveying direction of the sausage string, part of the cutter can stretch into the first gap, the cutter can rotate around the axial direction of the cutter to cut the part, connected with the rear end of the knot, of the deformation part, the scissor mechanism corresponds to the second gap, the output end of the scissor mechanism stretches into the second gap, and the knot is provided with a cutting-off position used for cutting off of the scissor mechanism. The distance between the cut-off position and the front end of the nodule is 2-5 mm. According to the cutting device, the cutter is matched with the scissors mechanism, so that the conditions of cutter clamping or non-cutting and the like can be avoided, the cutting device is simple in overall structure, waste of raw materials can be reduced, working efficiency can be improved, and the service life can be prolonged.

The present application relates to a kind of scissors mechanism and cutting thread clamping method, including the main scissors component, the auxiliary scissors component and the scissors part being arranged on guide rail, the main scissors component and the auxiliary scissors component are in the engagement and disengagement cooperation, scissors part is arranged between the main scissors component and the auxiliary scissors component, the main scissors component includes first thread hook and first thread clamp, the auxiliary scissors component includes second thread hook and second thread clamp, when the main scissors component and the auxiliary scissors component hook thread and clamping yarn, drive scissors part to cut yarn.This kind of scissors mechanism of the present application can be held and de-threaded by the first thread hook and the first thread clamp of the first thread hook and the first thread clamp of the present application cooperates to cut yarn with the scissors part, hide the end of thread into the interior of fabric, to realize the processing of terminal yarn, reduce labor cost and many other advantages.

The utility model provides a movable type telescopic device which comprises a frame, the frame is composed of a plurality of supporting frames arranged at intervals, a sliding rail is arranged on the inner side of any supporting frame, and a limiting groove is formed in the sliding rail; the scissor fork type mechanism is arranged among the multiple supporting frames, and the scissor fork type mechanism is movably connected into the sliding rail through a connecting rod set so that the scissor fork type mechanism can be switched between a retracting state and an opening state; at least one end of the connecting rod set is provided with an adjusting structure used for being matched with the limiting groove in a limiting mode. When the adjusting structure is adjusted to enter the limiting groove, the connecting rod set is limited to move relative to the sliding rail. The utility model solves the technical problem that the fireproof effect of the fireproof isolation device is reduced due to the fact that the shear fork type telescopic component of the existing fireproof isolation device is difficult to keep a stable working state and can retract when in use, and the flexible fireproof material is pulled to retract.

This utility model discloses a stacking scissor-type electric screw lifting platform, including a base and a platform. Symmetrical sliding grooves are formed on the upper left side of the base, with a screw rotatably connected inside the grooves. One end of the screw passes through the base and is fixedly connected to a bevel gear. A movable block is set on the outer surface of the screw. A scissor mechanism is set on the upper end of the base, and the platform is set on the upper side of the scissor mechanism. Symmetrical mating grooves are formed on the lower end of the platform, with guide rods installed inside the grooves. Guide blocks are fitted on the outer surface of the guide rods. The upper and lower right ends of the scissor mechanism are fixedly connected to the base and the platform, respectively. This utility model, through the flip-out extension mechanism at both ends of the platform, can flexibly expand the platform area, meet diverse operational needs, and is convenient to store, reducing space occupancy. The counterweight mechanism at the lower end of the platform can dynamically adjust the center of gravity according to actual conditions, preventing equipment swaying or tipping and ensuring operational safety.

This invention relates to the field of steel truss bridge installation technology, and proposes a steel truss bridge construction and installation system for installing steel trusses onto bridge piers. The system includes hoisting equipment, temporary supports, a movable lifting support, a movable adjustment frame, and a limiting bracket. Two rows of bridge piers are constructed across a river, with multiple temporary supports spaced apart between two piers in the same row. A movable lifting support is positioned between the two rows of temporary supports, and its lifting is achieved through a scissor mechanism. Several movable adjustment frames are movably mounted on both sides of the upper end of the movable lifting support. A limiting bracket is located on the upper end of the temporary supports, away from the movable lifting support, and moves up and down through a limiting plate to abut against the steel truss. This invention achieves rapid positioning through the movable lifting support, movable adjustment frame, temporary supports, and limiting bracket, simplifying the positioning operation and improving construction efficiency.

This utility model relates to the technical field of thread trimming devices and discloses an automatic thread trimming device for a winding machine, including a mounting frame, a drive mechanism, a thread guide frame, a horizontal hook, a pushing mechanism, a thread pusher block, and a scissor mechanism. Using the mechanism of this application, the horizontal hook on the thread guide frame effectively prevents the yarn from detaching from the outer end of the thread guide frame when it is rotated by the drive mechanism, thus preventing the failure to move the yarn to the corresponding position. The pushing mechanism is located at the inner end of the thread guide frame, ensuring that the pushing mechanism and the thread pusher block on it rotate with the thread guide frame, guaranteeing that the direction of movement of the pushing mechanism and the thread pusher block remains parallel to the length direction of the thread guide frame. This avoids the problem of the yarn not being accurately moved to the corresponding position in the prior art, ensuring the thread trimming effect.

The invention discloses a multi-folding type folding machine and an operation method thereof, and belongs to the technical field of material folding equipment. The folding machine comprises a rack, and a folding plate mechanism, a clamping jaw mechanism, a scissor mechanism and a pressing mechanism are arranged on the rack. The folding plate mechanism comprises a folding seam, a folding inserting plate driven by an air cylinder and folding turning plates, wherein the two sides of the folding turning plates are driven by a motor through belt transmission. The clamping jaw mechanism is used for supplying materials to the folding seam; the scissors mechanism is used for cutting the materials; and negative pressure adsorption holes are formed in two sides of the folding seam to fix materials. The device can be further provided with a secondary folding mechanism and a folding transfer mechanism, and multi-stage folding and automatic conveying of the materials are achieved. During operation, the clamping jaw mechanisms take materials from the symmetrically-arranged pressing stations on the two sides alternately, and the non-woven fabric can be efficiently folded into high-layer products through pre-folding, primary folding, secondary folding and third folding in the transferring process. The multi-folding device has the advantages of high folding layer number, high efficiency, high automation degree and the like, and is suitable for quick multi-folding processing of flexible sheets such as non-woven fabrics and the like.

A scissor lift table (1) with a base (2) and a working section (3) which is height-adjustable relative to the base (2), with at least one scissor mechanism (4) arranged between the base (2) and the working section (3), which comprises two scissor arms (5, 6) pivotally connected to each other in a cross-like manner, wherein a first end region of a first scissor arm (5) is pivotably mounted on the base (2) and a first end region of a second scissor arm (6) is pivotably mounted on the working section (3) and the respective opposite end regions are guided longitudinally displaceably on the working section (3) and on the base (2), and with a lifting drive device (7), wherein the lifting drive device (7) comprises two threaded spindles (9, 10) arranged parallel to each other, on which at least one spindle nut (11) is arranged, wherein the spindles (9, 10) can be driven together by a drive, so that the spindle nuts (11) relative to the spindles (9,10) are adjustable in the axial direction, wherein the spindle nuts (11) are mounted in a bearing housing (13) in a rotationally fixed manner, and wherein at least one engagement element is provided which is force-transmittingly coupled to at least one spindle nut (11) and force-transmittingly connected to a linear drive means which has a substantially horizontal section and a section extending in the stroke direction of the working part (3) between the base (2) and the working part (3) and is supported at least at one end on the base (2) and / or on the working part (3), such that an axial adjustment of the spindle nuts (11) causes a displacement of the engagement element relative to the spindles (9, 10) and thereby a change in the shear angle and a height adjustment of the working part (3).

The application discloses a triangular prism space stretching arm combined with Sarrus mechanism and scissors mechanism, belongs to the field of aerospace, and is characterized in that the whole stretching wall is composed of longitudinally stacked multiple unfolding units and is in the form of a regular triangular prism in the unfolded state. The planar scissors units are combined in the layout of a space triangular prism and are arranged on the three side surfaces of each unfolding unit in the form of a triangular prism, so that the bending resistance of the single planar scissors unit when bearing lateral force is avoided. The end portions of the scissors units are connected by sliding rails, so that the bending strength of the stretching arm is improved. Meanwhile, two longitudinally arranged Sarrus connecting rods are added to the three edges of the unfolding unit, and the transmission angle of the longitudinally arranged Sarrus connecting rods is 0, so that the stretching arm end is locked and the longitudinal bearing capacity of the whole stretching arm is improved. The stretching arm has the characteristics of high unfolding / folding ratio, high longitudinal bearing capacity, relatively simple structure and synchronous unfolding / folding.

The present application relates to unmanned underwater vehicle deployment and recovery technology field, provide a kind of underwater unmanned vehicle deployment and recovery device based on rotary scissor mechanism, wherein the deployment and recovery device includes buoyancy cylinder, frame, scissor mechanism, docking cone cylinder, docking guide assembly, rotating mechanism, electric cylinder, rotary drive assembly, control assembly;The buoyancy cylinder is at least two, fixedly connected on frame;Two ends of the rotating mechanism are rotatably installed on frame;The control assembly is used to realize the control of the working process of the deployment and recovery device.Simultaneously, the present application also provides a kind of deployment and recovery method of underwater unmanned vehicle.Through the present application, the deployment and recovery operation of underwater vehicle can be automatically completed, the rapidity and mobility of deployment and recovery are improved;Without complex deployment equipment and professional technical personnel, cost can be reduced;The influence of environmental factors on deployment and recovery can be reduced, various underwater complex working condition requirements are met, and the safety of deployment and recovery is improved.

A telescopic device and a vehicle. The telescopic device (10) includes: a first mounting assembly (100); a second mounting assembly (200); a scissor mechanism (300), the first mounting assembly (100) and the second mounting assembly (200) being provided at opposite sides of the scissor mechanism (300), and the scissor mechanism (300) being drivingly connected to the first mounting assembly (100) and the second mounting assembly (200) to make the first mounting assembly (100) and the second mounting assembly (200) approach or move away from each other; and a first supporting mechanism (400), one end of the first supporting mechanism (400) being connected to the scissor mechanism (300), and the other end of the first supporting mechanism (400) is movably connected to the first mounting assembly (100) to support the scissor mechanism (300) in the gravity direction. In the telescopic device, the first supporting mechanism is provided to connect the scissor mechanism and the first mounting assembly, so that the first supporting mechanism provides a supporting force for the scissor mechanism in the gravity direction, thereby reducing the possibility of bending and deformation of the scissor mechanism and the entire telescopic device, and ensuring the normal operation of the telescopic device and prolonging the service life of the telescopic device.

The utility model discloses a portable toolbox for maintenance of mine electromechanical equipment, which belongs to the technical field of maintenance tools for mine equipment and comprises base coamings, folding coamings and an independent driving device, the base coamings are arranged in pairs and are connected through a telescopic base, and the telescopic base is a shear fork mechanism and can be freely unfolded and contracted. The two sides of the telescopic base are provided with the two folding surrounding plates, the folding surrounding plates are hinged to the two base surrounding plates at the same time, the two folding surrounding plates are symmetrically folded inwards, and therefore folding deformation is completed when the telescopic base shrinks. The top of the base surrounding plate is hinged to the folding bottom plate. When the tool box is used, the folding bottom plate is turned downwards to abut against the telescopic base, so that the load capacity of the tool box is increased, when the folding bottom plate is turned upwards, the folding bottom plate can be used as a handle to pull the empty tool box to move, the moving process is achieved by driving the triangular wheel frame through the stepping motor, and the problems that in the prior art, a tool box is poor in portability and not beneficial to work in a mining area are solved.

The utility model relates to the technical field of lifting structures, in particular to a double-guide-rail scissor type large-stroke lifting structure. The double-guide-rail shear-fork type large-stroke lifting structure comprises a fixed bottom plate, double-slide-rail assemblies are arranged on the two sides of the fixed bottom plate, a shear-fork mechanism is arranged between the double-slide-rail assemblies and fixed to the fixed bottom plate, and an element mounting plate used for mounting all monitoring devices is arranged at the upper end of the shear-fork mechanism. And the equipment can be controlled to carry out large-distance lifting along a set direction. A unique double-guide-rail structure is adopted as a whole for fixing, so that transmission is more stable. Through the unique design of the acting force of the electric push cylinder, normal lifting under the load of 100 kg can be achieved, the starting angle and length of the shear fork rod are simulated through a three-dimensional simulator, and the lifting height which is 6-8 times of the contraction height can be achieved. The large-stroke and large-load scissor fork mechanism with the guiding function is suitable for being applied to various industrial devices and automatic devices.

This utility model provides a shearing and breaking drill bit for underground steel strip pipes, belonging to the field of pipeline construction technology. It includes a traction head, a pipe-pulling cap connected to the traction head, and a shell. The shell has two symmetrically arranged cutter slots, and a shear assembly is provided inside the shell. The shear assembly also includes a power mechanism fixedly connected inside the shell. The power mechanism is connected to a push plate, and a connecting plate is hinged to the push plate. The connecting plate is hinged to the shear mechanism, which extends from the cutter slots. The shell has at least two hook blades, and the pipe-pulling cap is connected to the shell through a rotating shaft. The shell also has a connecting head. Under the drive of the traction head, the uncut pipe in front of the traction head will deform and become tangled. The power mechanism drives the push plate, which in turn drives the shear mechanism to cut the pipe in front of the traction head, preventing the tangled pipe from blocking the traction head's advance and smoothly completing the removal of old pipes.

The application discloses a kind of automatic adhesive tape's tooling equipment, including rack, screw mechanism, adhesive tape feeding mechanism, adhesive tape pressing mechanism, scissors mechanism and head half-cut mechanism, screw mechanism includes driving motor, screw, guide rail and sliding block;Adhesive tape feeding mechanism includes connecting seat, adhesive tape tray and adhesive tape roller, connecting seat is fixed on sliding block, and adhesive tape roller is arranged below adhesive tape tray;Adhesive tape pressing mechanism is arranged on connecting seat, including second cylinder, pressure wheel seat and rubber-coated roller, and rubber-coated roller is located above adhesive tape feeding path;Scissors mechanism is arranged on connecting seat and is located in the side of adhesive tape feeding path;Head half-cut mechanism is arranged on the opposite side of scissors mechanism and is fixed on rack, and is located in the rear end of adhesive tape feeding path, including multiple cylinders and half-cutting knife assembly driven by cylinder.The structure can realize the stable feeding of adhesive tape, pressure paste and multi-directional composite driving cutting in limited space, and realize the half-cutting processing of adhesive tape at the end of attachment.

Embodiments of the present application provide a load weight determination method and device, a storage medium and an electronic device. The method comprises: controlling a scissor mechanism of an automated guided vehicle to perform a first lifting operation; obtaining N pairs of displacement amounts in the process of performing the first lifting operation, and determining a target curve based on the N pairs of displacement amounts, wherein the N pairs of displacement amounts represent horizontal displacement amounts of a lead screw and vertical displacement amounts of a tray collected at N time points, and the target curve represents a change relationship between the horizontal displacement amounts of the lead screw and the vertical displacement amounts of the tray; and determining a weight of a target load according to the target curve and a preset M curves, wherein the M curves represent different change relationships between the horizontal displacement amounts of the lead screw and the vertical displacement amounts of the tray in the process of the scissor mechanism performing the first lifting operation when the tray respectively carries M loads with known weights. Through the present application, the technical problem of low accuracy in determining the weight of the load in the related art is solved.

This invention relates to the field of flat knitting machines, specifically to a method for cutting yarn ends on a glove machine. The method includes the following steps: the hook of a hooking mechanism moves to the needle bed opening, hooks the yarn, and then lifts it to a designated height; the scissors of a scissors mechanism move to the position of the hooked yarn. During this movement, the main and auxiliary scissors cooperate to open and close the scissors, completing the yarn cutting. By actively moving the scissors and cooperating with the hook to cut the yarn, yarn cutting is achieved more easily with no yarn ends.

The invention discloses a high-speed cutting device for columnar workpieces, relates to the technical field of cutting machining, and solves the problems that a workpiece supporting structure of a traditional cutting device needs a worker to sequentially and independently place and fix each workpiece, and the batch production requirement is difficult to meet. A high-speed cutting device for a columnar workpiece comprises a base; the base adopts a rectangular plate structure; a second sliding rail is fixedly arranged in a rectangular through groove in the middle of the top of the base. A first roller is fixedly arranged at the top of the first sliding block; a third sliding rail is fixedly arranged in the middle of the bottom of the base. A sliding plate of a rectangular plate structure is arranged on the front side of the third sliding rail in a sliding mode. A shear fork mechanism is arranged between the sliding plate and the third sliding rail; a connecting shaft of a cylindrical structure is rotationally arranged at the intersection of the shear fork mechanism. And multiple sets of workpieces can be synchronously clamped, the fixing efficiency in the batch machining process is greatly improved, and the adaptability and the clamping stability are remarkably improved.

The application discloses a throwable robot based on a space scaling mechanism, which comprises a space scaling mechanism, a left variable wheel and a right variable wheel. The space scaling mechanism comprises three connecting modules, and the three connecting modules are connected through three circumferentially arranged supporting chains. The distance between the three connecting modules can be adjusted by control, and the width of the whole space scaling mechanism can be adjusted. The variable wheels are installed on the two sides of the space scaling mechanism, and the variable wheels can rotate around the axis of the robot and move along the rotation axis of the variable wheels. Meanwhile, the variable wheels are provided with three circumferentially arranged tire pieces connected by scissors mechanisms. The unfolding and contraction of the three tire pieces can be realized by controlling the extension and contraction of the scissors mechanisms. Thus, the robot has a certain obstacle crossing ability by controlling the unfolding of the space scaling mechanism and the variable wheels to improve the gravity center of the robot, and the rotation of the variable wheels. The robot can wriggle in the pipeline environment by alternately unfolding and contracting the space scaling mechanism and the variable wheels.

The utility model relates to the technical field of flower and fruit thinning device, a scissors subassembly for flower and fruit thinning device, including scissors mechanism, the bottom of scissors mechanism is provided with collection mechanism, the top of collection mechanism is fixedly connected with the bottom of scissors mechanism, the scissors mechanism includes left top shell, the bottom of left top shell is provided with left bottom shell, the right side of left bottom shell is pasted with right bottom shell, the bottom of left bottom shell is installed handle, the top of handle is installed with right bottom shell, the outside of handle is provided with two blades, two the inside of blade is equipped with thread hole, the inside thread hole is connected with bolt, the top of bolt is respectively with the inside thread connection of same handle. The utility model discloses the left bottom shell and right bottom shell can rotate relatively around the pivot, thereby driving the blade to complete the shearing action, so that the staff can directly cut the work with the bottom blade after cleaning by the flower and fruit thinning assembly.