51 results about "Set distance" patented technology

The application discloses a terminal block with a lock handle, which comprises a plug and a socket that can be connected, a first buckle on the plug and a second buckle on the socket can be connected by buckling, a cavity structure in the plug is provided with a first opening and a second opening, one end of the first buckle extends into the cavity structure through the first opening, the lock handle comprises a connecting plate, a pressing surface, an elastic leg and a top block, the connecting plate is slidably arranged in the cavity structure at a set distance, one end of the connecting plate extends to the outside of the plug through the second opening, the pressing surface at the upper end of the connecting plate is stopped on the outside of the upper end of the plug, the connecting plate and the elastic leg at the lower end of the connecting plate form a Y-shaped structure, one end or both ends of the elastic leg abut against the surface of the sidewall at the lower end of the cavity structure, and the top block is fixed on the lower end of the connecting plate or the close end of the elastic leg, the top block can slide along the sidewall of the cavity structure of the plug towards the first opening, so as to force the first buckle and the second buckle to be disconnected, and the application is convenient to operate and can make the product suitable for installation in a compact environment.

The application relates to the technical field of semiconductors, and provides a substrate transfer device and a transfer method.The substrate transfer device comprises a storage table, a bearing table and a transfer table; the storage table is provided with a plurality of first storage grooves; the bearing table is provided with a plurality of second storage grooves; the substrate transfer device is configured in such a way that the storage table is in contact with the transfer table and is positioned by the transfer table, so that the first storage grooves and the second storage grooves face each other along a first direction, and the substrates in the first storage grooves have a set distance from the bearing table; the transfer table carries the storage table to move relative to the bearing table along the first direction to transfer the substrates in the first storage grooves into the second storage grooves. The above substrate transfer device can solve the problem of misplacement and stacking of substrates in the substrate transfer process.

The embodiment of the invention discloses a handle pairing method and device and a head-mounted device, and is applied to the head-mounted device, and the method comprises the steps: planning a placement area of a handle needing to be paired in an environment where the head-mounted device is located; when it is detected that the handle is located in the placement area, obtaining the distance of the handle relative to the head-mounted device; and under the condition that the distance meets a set distance condition, pairing with the handle.

The application discloses a method for reducing the occurrence rate of misalignment of a coiling inner ring, comprising the following steps: providing a preparation unit, wherein the preparation unit comprises a welding machine, a tension roller, a weld detection instrument, a slitting shear, an EPC and a coiling machine arranged in sequence; adopting the preparation unit to coiling and reducing the diameter of a strip, wherein the strip has at least one weld after passing through the welding machine, and each weld is arranged with a crescent on both sides; when the weld detection instrument detects that the weld moves from a zero position to a set position by a set distance, the coiling centering device is switched to a manual mode, wherein the zero position is the position of the weld located directly below the weld detection instrument, and the distance from the crescent on both sides of each weld to the weld is less than the set distance. The method can improve the misalignment of the strip, reduce the misalignment of the strip, and further facilitate the improvement of the rolling mill output and the monthly material yield.

The invention relates to the technical field of plate processing, and provides a furniture plate processing method and device which comprises a cutting table, a placing area arranged on the cutting table and used for placing plates and a cutting assembly used for cutting the plates, and is characterized in that supporting blocks used for supporting the plates are arranged in the placing area in an array mode; each supporting block can independently ascend and descend, the supporting block perpendicularly corresponding to the cutting path is located at the lower set position and keeps a set distance from the lower side of the plate, and the other supporting blocks are located at the upper set position and keep contact with the lower side of the plate. The supporting block vertically corresponding to the cutting path descends to the lower set position, a set distance is kept between the supporting block and the lower side of the plate, so that a safe cutting space is reserved, and the other supporting blocks do not act to be located at the upper set position and keep in contact with the lower side of the plate; the supporting block cannot be damaged in the cutting process, and the service life of the plate supporting structure is greatly prolonged.

The present invention relates to the field of cutting technology, and in particular, to a cutting machine and a cutting system. The cutting machine includes a main unit, a cutting unit, and a movable unit. The driving portion of the cutting unit is detachably connected to the main unit. The cutting portion of the cutting unit is drivingly connected to the driving portion. One end of the first connecting portion of the movable unit is connected to the main unit, and the other end is connected to the clamping module of the movable unit. The cutting machine includes a cutting area and a circular cutting area. The circular cutting area is arranged on the outer peripheral side of the cutting portion. The connection between the first connecting portion and the main unit is separated from the circular cutting area. The circular cutting area coincides with the cutting portion. The cutting area is spaced apart on one side of the circular cutting area. The cutting machine includes a circular cutting state. The circular cutting state includes at least part of the clamping module being located in the circular cutting area. The minimum distance from the central axis of the space enclosed by the clamping module to the cutting portion is a set distance. The radius of the space enclosed by the clamping module is greater than the set distance. This solves the problem of the inconvenience of using the cutting machine.

The application discloses a construction method for excavation of an oblique tunnel intersection section. The method comprises the following steps: excavating and supporting a branch hole according to a design section of the branch hole intersection section until a branch hole working face is parallel to a main hole axis, and a first set distance a is reserved between the branch hole working face parallel to the main hole axis and a main hole standard section excavation section; dividing the main hole intersection section into an excavation driving section and a groove cutting driving section according to upstream and downstream sequences, carrying out a groove cutting driving process in the groove cutting driving section from the branch hole intersection section, and carrying out excavation driving of the excavation driving section along the main hole axis direction by using a main hole intersection section cut out by the groove cutting, until the position of a large included angle side intersection point A of the branch hole and the main hole is passed; and respectively carrying out driving and supporting processes of upstream and downstream working faces of the main hole standard section. The application not only meets the requirement of passing of the branch hole to the small included angle side of the main hole, but also enables the main hole intersection section to be constructed by using the same excavation section, so that the work efficiency of on-site construction is improved.

This disclosure provides an imprinting apparatus and a process control method for preparing an etching mask using the imprinting apparatus. The process control method includes: during a demolding operation, controlling the imprinting roller to move horizontally from near the first side frame to away from the first side frame while maintaining contact with a rigid transparent substrate; controlling a demolding actuator to drive the first side frame upward; and monitoring the current pressure exerted by the rigid transparent substrate on the imprinting roller; formulating a first speed adjustment strategy based on the current pressure; and executing the first speed adjustment strategy. The first speed adjustment strategy is used to ensure that the subsequent pressure on the imprinting roller is within a preset demolding pressure range. The preset demolding pressure range is a pressure range determined when the distance between the imprinting roller and the demolding separation line is less than a set distance. This disclosure embodiment ensures that the distance between the imprinting roller and the demolding separation line is less than a set distance, thus achieving smoother demolding.

This utility model provides a movable punching and positioning hardware module for QDC machines. It can adjust the operation according to the actual distance between the punch and the positioning pin, resulting in good versatility and reduced mold costs. It includes: an upper mold base, with a pair of recessed positioning holes at one end of the central area for placing the material sheet, the two recessed positioning holes being arranged on both sides of the central area in the width direction; a recessed straight groove at the other end of the upper mold base corresponding to each recessed positioning hole, the recessed straight groove extending to the other end of the lower mold base in the length direction; and two sets of positioning pin modules, each set including a positioning block and a lower convex positioning pin; a gap is left between the recessed positioning holes and the recessed straight grooves; the recessed positioning holes are used to fix the punching punch; the positioning block is embedded in the recessed straight groove; the distance between the lower convex positioning pin and the recessed positioning hole on the same side is a set distance value.

The utility model discloses a pitch changing device and a material moving device, the pitch changing device comprises a sliding plate, the sliding plate can slide in a reciprocating mode in the first direction, at least two sliding grooves formed in the first direction are formed in the sliding plate, the at least two sliding grooves are obliquely formed, and the inclination angles of the at least two sliding grooves are different; the number of the sliding pieces is equal to that of the sliding grooves, and the sliding pieces are arranged in the corresponding sliding grooves in a sliding mode; the number of the material taking assemblies is equal to that of the sliding parts, the material taking assemblies are connected with the sliding parts in a one-to-one correspondence mode, the sliding parts drive the material taking assemblies to move in the second direction when sliding so that the distance between the at least two material taking assemblies can be increased or decreased, and the second direction is the arrangement direction of the at least two material taking assemblies; the second direction is perpendicular to the first direction. After the sliding plate slides by the set distance, the material taking assemblies can stably move by the matched distance, so that the distance between the material taking assemblies meets the requirement, and therefore the distance between workpieces such as pole pieces is stable and high-precision adjustment is achieved.

The invention relates to the technical field of laser cutting, and particularly discloses an iron plate cutting device which is characterized in that a supporting frame is mounted on a rack in an up-down sliding manner, a roller is rotatably mounted at the upper part of the supporting frame, a scraper is arranged at the bottom of the roller, a positioning plate is slidably connected with the supporting frame, and a protruding part is arranged on the side edge of the positioning plate; the two limiting units are arranged in the length direction of the rack, each limiting unit comprises a plurality of limiting pieces which are arranged at intervals in the vertical direction, the two limiting units are arranged in a vertically staggered mode, a gap is formed between the two limiting units, and the ends, facing the gap, of the limiting pieces are provided with inclined faces used for being attached to the protruding parts; when the diameter abrasion of the rolling wheel reaches the set amount, the control assembly can control the positioning plate to move in the length direction of the rack, residues adhering to the rolling wheel can be scraped away through the scraper, and when the diameter abrasion of the rolling wheel reaches the set amount, the rolling wheel can move upwards by a set distance so as to compensate the abrasion loss of the rolling wheel.

The invention discloses a pulling assisting structure of a wiring module, a fixed module is provided with at least one plugging groove, a movable module can be plugged in the plugging groove of the fixed module to realize conduction connection, the bottom surface of the plugging groove of the fixed module is provided with a pushing mechanism accommodating groove, and a pushing mechanism is fixedly installed in the pushing mechanism accommodating groove. The pushing mechanism comprises a pushing moving end and a triggering end, the triggering end is pressed to enable the pushing moving end to move towards the opening direction of the pushing mechanism containing groove and jack up the movable module in the inserting groove by a set distance, and the movable module and the fixed module are in a disconnected state after the movable module is jacked up by the set distance; the movable module is provided with an avoiding through hole penetrating in the inserting direction of the movable module, a rod-shaped object can be inserted into an ejection mechanism containing groove in the bottom face of the inserting groove of the fixed module through the avoiding through hole and press the trigger end of the ejection mechanism, the movable module can be rapidly taken down from the fixed module in a narrow space, and replacement of the movable module is facilitated.

This invention relates to the field of laser cutting technology, specifically disclosing a sheet metal cutting device. A support frame is slidably mounted on a machine frame, a roller is rotatably mounted on the upper part of the support frame, a scraper is located at the bottom of the roller, a positioning plate is slidably connected to the support frame, and a protrusion is provided on the side of the positioning plate. Two limiting units are arranged along the length direction of the machine frame, each limiting unit includes multiple limiting members arranged at intervals in the vertical direction, and the two limiting units are staggered vertically, with a gap between the two limiting units. One end of the limiting member facing the gap has an inclined surface for fitting with the protrusion. When the diameter wear of the roller reaches a set amount, the control component can control the positioning plate to move in the length direction of the machine frame. This invention can scrape off the residue adhering to the roller with the scraper, and when the diameter wear of the roller reaches a set amount, the roller can move upward by a set distance to compensate for the wear of the roller.

The utility model discloses a swing in the technical field of toys, and aims to solve the problem of unstable swing amplitude of the swing in the prior art. The method comprises the steps that an input shaft is driven by the outside to rotate, the input shaft drives a crank arm to rotate, and due to the fact that a set distance exists between a movable block and the rotating center of the crank arm, the movable block can rotate around the rotating center of the crank arm; due to the fact that the movable block is located in the movable groove at the same time, when the movable block rotates around the rotating center of the crank arm, the movable block can abut against the inner wall of the movable groove to slide, the swing arm provided with the movable groove is rotationally connected with the rotating shaft, and the movable block can push the swing arm while sliding in the movable groove. The swinging arm can periodically swing back around the rotating shaft under the pushing effect; due to the fact that a structural system is relatively fixed and well designed, rotation of the input shaft is converted into regular swing of the swing arm.

The present application belongs to the field of marine pipeline structure design, and particularly relates to a method, system and device for automatically adjusting a longitudinal section curve of a marine pipeline, aiming to solve the problem of low efficiency and quality of drawing a longitudinal section curve of a marine pipeline in the prior art, and the problem of inability to automatically draw a longitudinal section curve of a marine pipeline, which leads to the problem of inability of a designed marine pipeline route to meet the requirements of minimum burial depth and smoothness. The method comprises the following steps: obtaining a seabed ground line, connecting each straight line segment on the seabed ground line in sequence, and taking the connected line as a reference line; traversing each corner point on the reference line; translating the reference line downward by a set distance; judging whether each corner point meets a set elastic laying condition; judging whether it is the end point of an initial longitudinal section curve of a marine pipeline; and adjusting the position of the corner point according to the corner direction. The present application realizes automatic adjustment of a longitudinal section curve of a marine pipeline, and meets the requirements of minimum burial depth and smoothness of marine pipeline laying.

The present invention relates to a method for calculating the effective detection distance of a lidar along the entire tunnel route, a device, and a medium. The method comprises: performing tunnel modeling on the basis of as-built drawings for post-construction survey of a track; and calculating the effective detection distance of a radar at each point on the track on the basis of an established tunnel model, wherein the calculation comprises: setting a certain point as a starting point, and the center of an object in a tunnel cross-section at a first set distance from the point as an end point; calculating, within the distance from the starting point to the end point, included angles between the lines connecting all tunnel points to the starting point and the line connecting the starting point to the end point; if there is an included angle smaller than the radar resolution, setting a point obtained by moving the end point back toward the starting point by a set distance as a new end point; and then repeating the calculation process until within the distance from the starting point to the end point, the included angles between the lines connecting all the tunnel points to the starting point and the line connecting the starting point to the end point are all greater than the radar resolution, and in this case, the distance from the end point to the starting point is the effective detection distance at the starting point. Compared with the prior art, the present invention has the advantages of high calculation precision.

A baggage position determination method, a sorting system (1), a computer storage medium, and a program product. The method comprises: acquiring a first distance traveled by a carrier (11) having a set number when passing through a first sensor (41) at a first moment; acquiring a second distance traveled by the carrier (11) having the set number when passing through a second sensor (42) at a second moment, the second moment being later than the first moment; and when it is determined that the second distance is less than the first distance, determining that the carrier (11) having the set number carries baggage, or when it is determined that the second distance is equal to the first distance and the first distance is less than a set distance value, determining that the carrier (11) having the set number carries baggage.

The test device for testing the performance of the elevator safety gear belongs to the technical field of elevator testing, and comprises a test car, a trigger rope group and an accelerating lifting device. The trigger rope group is provided with two parallel synchronous ring groups and action ring groups. The safety gear trigger rod is arranged on the synchronous ring group, and the sleeve is arranged on the action ring group. Before the test car reaches the safety gear trigger speed, the synchronous ring group and the test ring group are in a disengaged state. After the test car reaches the predetermined test speed, the synchronous ring group and the action ring group are in an engaged state, and the sleeve acts, so that the sleeve does not need to be installed at a set height at a set distance, the convenience of sleeve debugging is improved, one end of the second cable of the accelerating lifting device is fixed on the test device, the other end is fixed on a detachable clamp, and a first movable pulley is arranged in the middle, so that the test car can be accelerated at twice the speed by the weight of the first counterweight, and the height of the test device is reduced.

The present invention provides an excavator auxiliary operation method, device, system and excavator, which belongs to the technical field of excavators. The method includes: obtaining the posture information of the excavator; determining the lowest point of the excavator bucket, the target unloading point in the loading truck bucket and the target rotation area of ​​the excavator based on the posture information; when the excavator is controlled by the input operation signal to perform unloading operations, when the lowest point of the excavator bucket is located in the target rotation area, a first prompt message is issued, and when the distance between the lowest point of the excavator bucket and the target unloading point is less than the set distance, a second prompt message is issued. The present invention accurately defines the unloading interval by calculating the target rotation area and the target unloading point, thereby improving the accuracy of unloading. According to the calculated target rotation area and target unloading point, different prompt messages are issued when the bucket reaches different positions to guide the operator to quickly complete the excavator unloading operation, thereby improving the unloading efficiency.

The invention relates to the technical field of ships, in particular to a lofting method of a double-curved-surface fairlead piece, the fairlead piece and a ship, and the lofting method of the double-curved-surface fairlead piece comprises the following steps: obtaining a geometric center point; drawing a first normal vertical line of the curve through the geometric center point, wherein the first normal vertical line is a vertical center line of the fairlead piece; making a plurality of bisectors within a set distance according to a set step length, wherein the bisectors are parallel to the vertical center line; making a corresponding section solid shape line according to the plurality of bisectors and the waterline, and making a corresponding fairlead vertical solid shape line according to the vertical center line and the waterline; acquiring an intersection point of the second normal vertical line and each section solid line; connecting all the projection points to obtain a solid shape line of a second normal vertical line, wherein the solid shape line of the second normal vertical line is a normal solid shape line of the horizontal plane of the fairlead; and drawing a lofting drawing of the fairlead piece. The installation difficulty can be reduced, joints between the outer edge of the fairlead piece and the bulwark are reduced, and the attractiveness is improved.

The invention discloses a roller way installation method and device.The roller way installation device comprises a fixing part and a plurality of clamping parts, the clamping parts are connected to the fixing part, the multiple clamping parts are arranged at intervals in the length direction of the fixing part, the clamping parts are provided with clamping holes, the clamping holes are used for clamping a roller way, and the clamping holes are used for clamping the roller way. The roller way installation method comprises the following steps that the two clamping holes are clamped in the two roller ways correspondingly, so that the two roller ways are arranged at intervals according to the set distance; and the roller way is fixed on a bracket. According to the roller way mounting method, the mounting efficiency can be effectively improved.

To provide a pipe joint hardly deteriorating heat insulation performance, and a piping system using the pipe joint.SOLUTION: The pipe joint includes a joint body part 10 formed in a pipe shape, and at least two socket parts 11 integrally formed on an 10a of an opening part of the joint body part 10 and capable of connecting by inserting a pipe member 20 being the other pipe, and the socket parts 11 have a pipe abutting surface 11a on which an end surface 21 of the inserted pipe member 20 abuts. This pipe joint X has a swelling part 12 formed to swell from an outer surface 11a, on the outer surface 11a of a joint body part 10 corresponding to an area over a pipe abutting surface 11b and a separate position P2 separated to the side of an end part 10b of a socket part 11 by a predetermined set distance s from the pipe abutting surface 10b, and this piping system uses the pipe joint X.SELECTED DRAWING: Figure 1

The embodiment of the invention discloses a mapping correction method and a related device, and the method is applied to a mower, and the method comprises the steps: receiving a correction instruction when a mapping track of the mower has an error; determining a target correction point in the mapping track in the moving process, wherein the distance between the target correction point and a starting point of the mapping track is greater than a set distance; and returning to the target correction point, and continuing to perform mapping operation based on a correct mapping track and the target correction point, the correct mapping track being a partial mapping track between the starting point and the target correction point. Therefore, when an error occurs in mapping, a point in a correct mapping track is selected as the correction point instead of returning to the starting point, so that the correctness of mapping is ensured, and the safety risk caused by regression of an original path is also avoided.

To provide a pipe joint hardly deteriorating heat insulation performance, and a piping system using the pipe joint.SOLUTION: The pipe joint includes a joint body part 10 formed in a pipe shape, and at least two socket parts 11 integrally formed on an 10a of an opening part of the joint body part 10 and capable of connecting by inserting a pipe member 20 being the other pipe, and the socket parts 11 have a pipe abutting surface 11a on which an end surface 21 of the inserted pipe member 20 abuts. This pipe joint X has a swelling part 12 formed to swell from an outer surface 11a, on the outer surface 11a of a joint body part 10 corresponding to an area over a pipe abutting surface 11b and a separate position P2 separated to the side of an end part 10b of a socket part 11 by a predetermined set distance s from the pipe abutting surface 10b, and this piping system uses the pipe joint X.SELECTED DRAWING: Figure 1

The invention relates to the technical field of universal joint assembly, in particular to a universal joint assembly method and system. The method comprises the step of driving the press-fit part of the press-fit unit to move the retainer towards the first supporting part on the basis of completion of positioning. And acquiring the mounting state based on the movement of the retainer towards the first supporting part. And correcting the position of the retainer on the basis that Z1 is smaller than or equal to Z2 and the distance between the side, close to the second mounting part, of the blank cap and the abutting part is larger than or equal to the set distance. Based on the position correction of the retainer, Z1 is greater than Z2, and the pressing part of the pressing unit is driven by the first driving force F1 to move the retainer toward the first supporting part. Wherein Z1 > F1 > Z2. And on the basis that the retainer moves to the first assembly state in the direction of the first supporting part, the first driving force F1 is adjusted to the second driving force F2 to drive the pressing part to move the first mounting part to the second assembly state in the direction of the blank cap. Therefore, the problem of how to improve the assembly efficiency on the premise of ensuring that the universal joint is assembled to be qualified is solved.

The application provides a method for correcting optical proximity effect, which comprises the following steps: obtaining a first layout containing a target pattern; defining a hot spot structure in the target pattern, wherein the hot spot structure satisfies the following conditions: two convex corner structures are adjacent, the length of the adjacent edges of the convex corner structures is equal to or greater than the minimum layout design pattern size, and the distance between the opposite edges of the two convex corner structures is not less than a set distance; merging a rectangular pattern between the two convex corner structures, wherein the long side of the rectangular pattern is parallel to the opposite edges of the two convex corner structures, the short side of the rectangular pattern is perpendicular to the opposite edges of the two convex corner structures, and the center point of the rectangular pattern is located at the midpoint of the straight line segment between the two top points of the two convex corner structures, thereby obtaining a second layout; correcting the optical proximity effect of the second layout to obtain a third layout; and exposing the third layout on a wafer through photolithography. The corrected result of the application does not cause MRC error, and the pattern center position key size meets the target value, which is better than the traditional correction method.

This invention discloses a method for determining, warning, and supporting the stability of surrounding rock. The process of installing anchor bolts includes the following steps: after the tunneling machine excavates the roadway and completes each excavation advance; the drilling rig drills a first borehole in the roof, and a detection device analyzes the drilling parameters during the drilling process in real time; when the detection device analyzes that the drilling parameters have not reached the critical value of separation, anchor bolts are installed at the set distance between the anchor bolt support and the excavation face; when the detection device analyzes that the drilling parameters have reached the critical value of separation, the roof in the drilling area is determined to be an unstable roof, and anchor bolts are installed in the first borehole; during at least two subsequent excavations and support operations on the unstable roof, the unsupported roof distance is reduced, and a second borehole is drilled. If the drilling parameters are found to still exceed the critical value of separation, additional anchor cables are installed; until the drilling parameters of the second borehole are continuously less than the critical value of separation, anchor cables are not installed; until the drilling parameters of the first borehole are continuously less than the critical value of separation, the unsupported roof distance is extended.

The application relates to a rotating workpiece disc, a control method thereof and a vacuum equipment; the rotating workpiece disc comprises a rotating mechanism, a workpiece disc and a rotating shaft, the rotating mechanism is connected with the workpiece disc through the rotating shaft; a rotating mechanism is arranged on the rotating shaft and is located at an upper position of the workpiece disc; the rotating mechanism is connected with a guide component, the guide component extends along a diameter direction of the workpiece disc above the workpiece disc, a counterweight is arranged on the guide component; the rotating mechanism drives the guide component to rotate around an axis of the rotating shaft, so that the guide component rotates to a set angular position on a plane of the workpiece disc; the guide component pushes the counterweight to move along the diameter direction of the workpiece disc, so that the counterweight moves to a position with a set distance from the axis of the rotating shaft. According to the technical scheme, the automatic balancing of the feeding operation process is realized, the feeding operation work efficiency is improved, the balance of the rotating workpiece disc is ensured, the working stability of the vacuum equipment is enhanced, and the quality of workpiece coating or etching is improved.