451 results about "Spur gear" patented technology

The invention discloses a straight gear shape-free measurement method based on single-group line structured light. The method comprises the following steps: constructing an optical platform coordinate system, carrying out line structured light coordinate system calibration through a spherical calibration body, and calibrating the rotation center of a precision turntable; installing a measured straight gear, establishing a straight gear coordinate system, and adjusting the position of the linear structure optical measuring head, so that the measuring field of view of the linear structure optical measuring head covers a root circle to an addendum circle of the straight gear; the straight gear is installed on a precision rotary table, the straight gear is driven to rotate at a constant speed, a linear structure optical probe scans and collects straight gear contour point cloud data and circular grating angle information, and tooth surface three-dimensional point cloud data is obtained; based on the three-dimensional point cloud data of the tooth surface, extracting an addendum circle, a dedendum circle and an involute tooth profile, and calculating spur gear parameters; performing reverse three-dimensional shape modification tooth surface identification on the shape modification straight gear to generate a three-dimensional deviation diagram; and outputting a measurement result and printing a report. The problems of shape-free rapid measurement, modification tooth surface identification and tooth surface three-dimensional deviation characterization of the straight gear with unknown basic parameters are solved.

The present invention relates to a transmission arrangement (2) for a machine tool comprising a bevel gear stage (11), a spur gear stage (8), and a transmission housing (29). The spur gear stage (8) has a drive pinion (9) and a spur gear (10). The bevel gear stage (11) has a bevel gear shaft (12) and a ring gear (13). The transmission housing (29) has a housing element (14). The drive pinion (9) forms a drive. The spur gear (10) and the bevel gear shaft (12) are permanently and rotationally fixed to one another. The ring gear (13) forms an output. The spur gear (10) and the bevel gear shaft are mounted in the housing element (14). The housing element (14) has a journal (17) on which the ring gear (13) is mounted. The pin (17) has a recess (23) through which the bevel gear shaft (12) can be guided into its mounting position.Furthermore, the invention relates to a gearbox housing (29) for a gearbox arrangement (2) and a working machine.

The invention provides a CPVC large-diameter pipe extrusion molding cooling device and method, and relates to the technical field of CPVC pipe production.The CPVC large-diameter pipe extrusion molding cooling device and method comprise an extruder, a cooling box and a sizing box, the feeding end of the sizing box is connected with the extruder, the discharging end of the sizing box is connected with a box body of the cooling box, and the cooling box is connected with the cooling box; a cooling mechanism, a driving mechanism for driving the cooling mechanism to rotate and a water scraping mechanism are mounted at the bottom of a box cover of the cooling box; a mounting ring is arranged at the bottom of a box cover, a sliding groove is formed in the mounting ring to mount a mounting frame, nozzles distributed annularly are arranged on the mounting frame, and a driving gear with a trimming tooth part is mounted at the bottom of the box cover to drive two oppositely-arranged driven bevel gears correspondingly; and the spur gear set is arranged to drive the mounting rack, so that the mounting rack and the spray heads mounted on the mounting rack can do circumferential reciprocating motion, and the cooling liquid uniformly covers the whole outer surface of the pipe without dead angles.

A steering drive for a steering axle of a steerable vehicle includes an electric motor with a motor shaft. A steering lever is rotatable about a pivot axis that is parallel to the electric motor. First and second planetary stages each have a sun gear, planet gears, and a planet carrier. The steering drive is configured such that a force flow runs from the first sun gear via the first planet gears to the first planet carrier. The force flow furthermore runs via the second sun gear and via the second planet gears to the second planet carrier, and furthermore runs to the steering lever. The steering drive has a spur gear stage and is configured such that a force flow from the motor shaft to the first sun gear runs via the spur gear stage. Also disclosed is a steering axle and an industrial truck.

The invention belongs to the technical field of rudders, and particularly relates to a ship side high-performance rudder which comprises a rudder body, a blowing and spraying cabin is arranged in the rudder body, a propeller control assembly is installed on the side of the blowing and spraying cabin, the other side of the propeller control assembly is meshed with a gear control assembly, and an inner and outer rod control assembly is arranged in the gear control assembly. One end of the inner and outer rod control assembly is connected with a gear transmission assembly, a differential mechanism is installed at one end of the gear transmission assembly, and a blowing flow guide assembly is arranged in the blowing cabin. The propeller control assembly comprises a thin shaft, a small straight gear, a small bevel gear and a propeller shaft, the outer wall of the thin shaft is fixedly connected with the small straight gear, and the small bevel gear is arranged on the side of the small straight gear; rudder angles around the ship body can be controlled, so that flow fields at different positions on the ship side are controlled, the ship type performance is improved, meanwhile, the flow fields on the ship side are further adjusted through the blowing and spraying device, and the steering effect is improved.

The present application relates to flow detection device technical field, especially to a spur gear liquid flow detection device, the spur gear liquid flow detection device includes: gear assembly, including meshing transmission gear piece, the end face of gear piece is provided with magnet assembly, in the non-axis position of gear piece under the rotating state, the magnetic field formed by magnet assembly has the magnetic induction intensity of change; Detection assembly is arranged correspondingly with magnet assembly, to detect the magnetic induction intensity change of gear assembly under the rotating state, to obtain the accurate rotation number and / or angle of gear piece, when the liquid pushes the gear to rotate, the magnet assembly rotates with the gear, so that the magnetic induction intensity detected by the detection assembly is changed, to accurately judge the rotation condition of the gear, avoid the occurrence of the situation of missing detection, so as to improve the accuracy and accuracy of the spur gear liquid flow detection device for liquid flow detection.

The invention provides a locking ring type synchronizer conical surface composite texture optimized multi-gear gearbox structure. The locking ring type synchronizer conical surface composite texture optimized multi-gear gearbox structure is characterized in that a gearbox is composed of a shell, an input shaft assembly, an output shaft assembly, a gear transmission mechanism, a synchronous gear shifting mechanism and a lubricating and cooling system. The shell is designed by integrating light-weight aluminum alloy and nano ceramic radiating fins, the input / output shaft improves the transmission stability through a high-precision bearing and an overload protection structure, the gear transmission mechanism optimizes the efficiency through a modification straight gear and a planetary gear train, and the synchronous gear shifting mechanism is connected with an electronic sensor through a composite texture lock ring. According to the gearbox, the problems that a traditional gearbox is insufficient in heat dissipation, large in gear shifting impact, low in lubricating efficiency and the like are solved, transmission efficiency is improved, and the gearbox is suitable for high-end equipment such as new energy automobiles and heavy machinery.

The present invention provides a driving tool. The driving tool (1) has a driving mechanism (20) and a lifting device (60). The driving mechanism (20) applies force to the driving tool forward. The lifting device (60) moves the driving tool backward. The driving tool (1) has a driven spur gear (51), a transmission ring (52), and a buffer member (53). The driven spur gear (51) is arranged on the power transmission path that transmits power from the motor to the lifting device (60) and is rotatable about an axis. The transmission ring (52) rotates coaxially with the driven spur gear (51) on the downstream side of the driven spur gear (51). The buffer member (53) is disposed between the driven spur gear (51) and the transmission ring (52). The rotational power of the driven spur gear (51) is buffered by the buffer member (53) and transmitted to the transmission ring (52). Accordingly, bevel gears, spur gears, or helical gears can be used in the power transmission path between the motor and the lifting device, and the impact transmitted from the lifting device to the motor and the power transmission path can be suppressed.

This invention relates to an attached milling unit, the housing of which has an attachment bracket for attachment to a movable support arm of a carrier. The housing extends along a longitudinal axis (01). Furthermore, the attached milling unit includes at least one motor (02) and a transmission unit, the axis of rotation (05) of which is perpendicular to the longitudinal axis (01) of the housing. Two cross-cutting heads (06) driven to rotate by the transmission unit are attached to both sides of the longitudinal axis (01) of the housing and carry several milling cutters (07). Each cross-cutting head (06) has a driven output shaft (09) about which it rotates, wherein the two output shafts (09) of the cross-cutting head (06) are arranged at an angle to each other and each forms an acute angle with the longitudinal axis (01) of the housing on the side opposite to the attachment bracket. Each output shaft (09) is attached with a driven gear (10) having helical teeth, wherein each helical tooth directly meshes with the corresponding spur tooth segment of the drive spur gear (04).

The present disclosure refers to a gear assembly (502) for an actuator (400), comprising a gear assembly (502) having a secondary tilt gear (620) and a secondary fold gear (622); wherein said secondary tilt gear (620) comprises a first spur gear portion (902), a first worm gear portion (904), and a first transition point (906), wherein said first transition point (906) divides said secondary tilt gear (620) into said first spur gear portion (902) and said first worm gear portion (904); wherein said secondary fold gear (622) comprises a second spur gear portion (912), a second worm gear portion (914), and a second transition point (916), wherein said second transition point (916) divides said secondary fold gear (622) into said second spur gear portion (912) and said second worm gear portion (914); and wherein said second worm gear portion (914) and said second spur gear portion (912) are formed as a single element. It also refers to an actuator (400) with such a gear assembly (502) and a rearview device (102, 104) with such an actuator (400).

A radio-controlled model vehicle is provided including a model vehicle chassis, a vertically mounted motor, and a rear axle, configured to pivot in a vertical direction relative to the model vehicle chassis via one or more rear axle linkages. The rear axle also includes a vertical rear axle differential. The model vehicle further includes a gear reduction transmission including a spur gear comprising spur gear teeth offset from a spur gear center portion, and a pinion gear engaged with the spur gear teeth. In addition, the model vehicle includes a vertical, extendable driveshaft that has one end attached to the spur gear center portion and another end attached to the rear axle differential. Wherein the driveshaft extends through the spur gear and the motor powers propulsion wheels coupled to the rear axle via the gear reduction transmission, driveshaft and rear axle differential.

The utility model discloses a drilling dust removal hydraulic device for a rock drill, and relates to the technical field of rock drills. The wind driven generator comprises a machine head, a gear box, a middle body, a cylinder body, a handle body, an energy accumulator and a wind motor, the cylinder body is assembled at one end of the handle body, the middle body is assembled at one end of the cylinder body, the machine head is assembled at one end of the middle body, the gear box is assembled between the machine head and the middle body, and the energy accumulator is assembled on the cylinder body; in the utility model, by adopting the structure that the impact and the rotary drill rod are respectively independent, the impact energy and the rotating speed of the drill rod can be respectively adjusted according to ore rock conditions, the impact part adopts non-valve air distribution and can better utilize the expansion of compressed air to do work, and the rotary drill rod part is driven by a gear type wind motor and drives the drill rod to rotate through two-stage spur gear speed reduction; the gear type wind motor is arranged on the upper portion of the rock drill so as to shorten the total length of the rock drill and reduce the center height of the rock drill, and therefore the rock drill can be better suitable for operation in an underground narrow stope.

An industrial robot has at least one translational or rotational axis, having an output element that has a toothing and at least one axis drive assembly that is associated with the translational or rotational axis and that meshes with the output element. The axis drive assembly has a drive motor and at least one transmission arranged downstream of the drive motor. In the case of a translational axis, the output element is a toothed rod. In the case of a rotational axis, the output element is a spur gear with an outer toothing. In addition, the transmission has at least one branching stage that distributes the rotational movement of the motor shaft of the drive motor to at least two gear trains, such that at least two pinions driven by means of the drive motor mesh with the output element.

The utility model discloses efficient stirring and cleaning equipment of a cement paste stirrer, which relates to the technical field of stirring equipment and comprises an assembly box, a feed hopper, a discharge port, an outer pipe and the like. The outer pipe is rotationally connected with the assembly box, the stirring plate is arranged on the outer side face of the outer pipe and inclines downwards, cement can circulate at the bottom and the middle of the container, retention is prevented, and the side scraping plate and the bottom scraping plate are attached to the inner wall and the bottom of the assembly box respectively. A servo motor on the top of the assembly box drives the outer pipe to rotate through an output shaft, an output straight gear and an action straight gear of the outer pipe. During stirring, a closed pipe is inserted into the outer pipe to block the water spraying holes, and the pipe insertion part is used for placing the closed pipe; during cleaning, the closed pipe is taken out, the top of the outer pipe is connected with a pipe joint which is connected with a water pipe, and the pipe joint enables the outer pipe to rotate to spray water for cleaning and can be placed on a pipe inserting part. The equipment can realize efficient stirring, ensures the uniformity of cement paste, is convenient to clean, is prolonged in service life, is convenient to operate, and improves the production quality and efficiency of the cement paste.

The utility model relates to soil detection technical field especially discloses a kind of soil detection dissolving device, hollow rotating disc rotation process drives stirring rod revolution, in the stirring rod rotation process, by the second spur gear of its surface sleeve joint engagement fixed first spur gear, to make stirring rod with the center of dissolving barrel as pivot rotation process, rotation is stirred operation, to increase stirring mixing area, reduce stirring dead point, and the two triangular scrapers of stirring rod two sides installed and the surface of dissolving barrel are attached, through the rotation of stirring rod drive triangular scraper to scrape and clean operation to the inner wall of dissolving barrel, this can effectively prevent soil from adhering on barrel wall when not yet mixed evenly, avoid the problem of insufficient dissolution due to soil adhesion, ensure the smooth progress of entire dissolving process, improve dissolving effect, also help to improve the accuracy of detection result.

A medical instrument includes a roll mechanism that rotates an instrument shaft. The roll mechanism may include a first gear coupled to the instrument shaft and meshed with a second gear. One of gears may be a spur gear while the other gear may be a beveloid gear. Further, the spur gear and the beveloid gear may be in a gear train containing a compressible gear, e.g., a gear with an inner center piece, an outer ring, and a flexible interconnecting structure between the inner center piece and the outer ring. With a compressible gear, an interference fit of in the gear train may be within manufacturing variations of the gear train, and the compressible gear may deflect radially away from the interference fit.

The utility model relates to a steering wheel, in particular to a steering wheel with high stability, which comprises two fixing plates, a transmission system and a steering system, the transmission system and the steering system are arranged on the two fixing plates, the transmission system comprises a walking driving motor and a wheel arranged on one side of the walking driving motor, and an input shaft is arranged on the walking driving motor. An output helical-tooth sun gear, an output helical-tooth planet gear and an output helical-tooth gear ring are sequentially arranged on the outer side of the input shaft, the output helical-tooth sun gear and the output helical-tooth planet gear are each provided with a helical-tooth structure, and the steering system comprises a steering connecting flange and a steering driving motor fixed to the lower end face of the steering connecting flange; the output end of the steering driving motor is connected with a straight tooth gear, and a slewing bearing outer ring and a slewing bearing inner ring are sequentially arranged at the end, away from the steering driving motor, of the straight tooth gear. According to the steering wheel, the two sides of the wheel are supported through the two fixing plates, so that the bearing capacity is higher, and the overall stability is improved.

The utility model discloses a wandering star wheel grinding machining fixing device which comprises a working table, a supporting frame is fixedly installed on the lower bottom face of the working table, a groove is formed in the working table, and a fixing plate is fixedly installed at the lower end of the left wall face of the groove. A body is supported through balls, a transmission motor is started to drive two first connecting plates to move inwards, a first connecting rod is driven to rotate while the first connecting plates act, a second connecting plate is pulled to move forwards while the first connecting plates move, and a first straight gear and a second straight gear are meshed with the body; two driving motors are started to drive a driving shaft to rotate, so that two first straight gears are driven to rotate, a body is stabilized through a second straight gear, the body is fixed more stably, a user can further machine the body conveniently, the labor burden of the user is relieved, and the labor burden of the user is met.

The utility model relates to the technical field of die machining, in particular to a machining table for die machining, which comprises a shell frame. The shell frame is formed by fixedly connecting a circular ring and a hollow disc, a groove communicated with the hollow interior of the disc is formed in the surface of the inner side of the circular ring, the rotating ring is arranged on the inner side of the circular ring, and the gear ring is fixedly connected to the middle of the outer side of the rotating ring; a die to be machined is fixed in the positioning frame through the clamping plate, the first motor is started to control the straight gear to drive the gear ring to rotate, the gear ring drives the rotating ring to rotate, and therefore the die is driven to rotate in the horizontal direction, the second motor is further started to drive the whole shell frame to rotate, and the die rotates on the vertical face. The surface, needing to be machined, of the die can be rapidly adjusted to be right ahead of a worker, machining treatment is facilitated, operation is easy and convenient, the speed is high, time and labor are saved, the working efficiency of the worker is effectively improved, and use requirements are met.

Wave gear (1) with a ring-shaped, fixed, internally toothed gear (2), a flexible, externally toothed gear (3) arranged inside the internally toothed gear (2), and a wave generator (4) which is inserted into the externally toothed gear (3), wherein the flexible, externally toothed gear (3) has a flexible, cylindrical body region (301) and an annular membrane (302) extending radially from a rear end (301a) of the cylindrical body region (301), and wherein a toothed region formed in a region of the cylindrical body region (301) near an open region at the front end (301b) is deformed into an elliptical shape by the wave generator (4) over a region extending from a rear end region near the diaphragm (302) to a front end region near the opening, such that the deformation is substantially proportional to the distance from the diaphragm (302), wherein the wave gear (1) has a compound tooth profile which is engaged during positive deformation, wherein: the fixed, internally toothed gear (2) is designed as a spur gear with a module (m); the flexible, externally toothed gear (3) is designed as a spur gear with a module (m); a number of teeth of the flexible, externally toothed gear (3) is smaller by the size 2n, where n is a positive integer, than the number of teeth of the fixed, internally toothed gear (2); the deformation of a principal axis of an elliptical boundary neutral line of the flexible, externally toothed gear (3) in a cross-section which is perpendicular to an axis and is hereinafter referred to as the principal cross-sectional area, and which is selected at a predetermined position of the toothing of the flexible, externally toothed gear (3) in a tooth path direction, is set to 2κmn (κ>1); the engagement of the teeth of the fixed, internally toothed gear (2) and the flexible, externally toothed gear (3) in the main cross-sectional area is approximated by rack engagement in order to calculate a motion position curve (M) of the teeth of the flexible, externally toothed gear (3) in relation to the teeth of the fixed, internally toothed gear (2) in connection with a rotation of the shaft generator (4); characterized by the fact that a curve region (AB) is obtained from a region of the motion position curve (M) extending from the main axis of the deepest engagement position of the two gears (2, 3) to a side where the engagement of the teeth is disengaged, such that the curve region (AB) begins at position (A) of the deepest engagement of the two gears (2, 3), which is the position where the inclination angle is 90°, and reaches a position (B) where the inclination angle of the motion position curve (M) relative to a radial line of the fixed, internally toothed gear (2) is α° (0°<α°<30°); and a main area of ​​the tooth profile (30) of the flexible, externally toothed gear (3) is defined by a first similarity transformation curve (AC) in which the curve area (AB) is enlarged by a multiple of λ, and by a straight line (33) smoothly connected to an endpoint of the first similarity transformation curve (AC); a main region of a tooth profile (20) of the fixed, internally toothed gear (2) by a second similarity transformation curve (AD) in which the curve region (AB) is enlarged by a multiple of (λ+1), and is defined by a straight line (24) smoothly connected to an endpoint of the second similarity transformation curve (AD); and a value of λ is less than a maximum value of λ, where the maximum value of λ is obtained when the curve region (AB) is subjected to a similarity transformation with the factor (λ+1), where the origin of the similarity transformation of the curve region (AB) is placed at the position of the deepest intervention (A), such that a remote end of the second similarity transformation curve (AD) is arranged on the motion position curve (M).

The utility model relates to the technical field of liquid oxygen filling, and discloses a steel cylinder clamping device for low-temperature liquid oxygen filling, which is characterized in that a limiting mechanism consists of a first straight gear, a motor, a second straight gear, a rotating shaft, a third straight gear, a first bevel gear, a threaded rod, a second bevel gear, a threaded sleeve, a connecting rod and a clamping plate, the first straight gear is rotationally installed in the base, the motor is fixedly installed in the base, and the second straight gear is fixedly installed on an output shaft of the motor. According to the steel cylinder clamping device for low-temperature liquid oxygen filling, a motor is started to drive a second straight gear to rotate, under the action of a first straight gear and a third straight gear, a rotating shaft can rotate, under the action of a first bevel gear and a second bevel gear, a threaded rod can rotate, a threaded sleeve drives a connecting rod to move, and the connecting rod can rotate; and steel cylinders of different specifications can be clamped and fixed through the clamping plates, so that the steel cylinders are effectively prevented from sliding and shifting in the carrying or storing process.

The utility model discloses an efficient and energy-saving screw rod structure of a PP plastic bottle extruder, and relates to the technical field of PP plastic bottle extruders. Comprising a main body disc, a plurality of extrusion rods are arranged at the left end of the main body disc, threaded grooves are formed in the surfaces of the extrusion rods, and the main body disc, the extrusion rods, the threaded grooves, tooth grooves, a spur gear, a rotating column and a motor are used in cooperation, so that the output end of the motor rotates to drive the rotating column and the spur gear to rotate; firstly, a spur gear rotates to drive a plurality of extrusion rods to synchronously rotate, threads and threads of a plurality of threaded grooves are matched with one another, so that the extrusion rods synchronously rotate to shear plastic raw materials through the threaded grooves, the shearing efficiency is improved, and the overall energy consumption is reduced; therefore, materials can be conveniently and rapidly conveyed in the feeding section, material accumulation is reduced, the screw pitches are gradually reduced in the compression section and the metering section, and therefore multiple materials can be effectively compressed and homogenized.

The application provides a bridge hole flood discharge intercepting gate dredging structure device, belonging to the technical field of water conservancy gates, which comprises a gate frame, a gate plate is arranged in the gate frame, and the upper end of the gate plate is movably connected with the upper end of the gate frame through a lifting column; a collecting box controlled by a winch and a worm gear mechanism and capable of floating with the water level is arranged on the upstream side of the gate plate; when the gate is closed, the top box door of the collecting box is automatically opened at the end of the descending stroke of the gate plate through the corresponding toothed plate and spur gear arranged on the gate frame and the gate plate, so that the collecting box becomes a collecting port partially submerged in water; at this time, the water flow naturally pushes the floating objects gathered in front of the gate into the box, the crosswise inclined check plates in the box form a one-way labyrinth structure, allowing the water flow to pass but effectively retaining the floating objects, so that the floating objects are collected in situ, automatically and dynamically during the interception, and the floating objects are fundamentally prevented from entering the downstream when the gate is opened.

The utility model belongs to the technical field of test equipment, and particularly relates to an anti-sliding detection device for a steel structure bolt. Comprising a testing machine, clamping plates, sliding plates, an upper sample plate, a lower sample plate, a fastening mechanism and an axial force sensor, the clamping plates are arranged at the two ends of the testing machine, the sliding plates are connected to the clamping plates, the sliding plates on the two sides correspond to each other, and the upper sample plate and the lower sample plate slidably sleeve the sliding plates on the two sides respectively. The sliding plate, the upper sample plate and the lower sample plate are each provided with a plurality of through holes allowing bolt rods to penetrate through, fastening mechanisms consistent with the through holes in number are arranged at the bottom of the lower sample plate, each fastening mechanism comprises a fastening motor, a small gear, a large gear and a limiting base, the fastening motor is arranged below the lower sample plate, the small gear is connected to an output shaft of the fastening motor, and the small gear is meshed with the large gear. According to the automatic bolt fastening device, through the mode that the automatic fastening mechanism is combined with the axial force sensor, automatic control over the bolt fastening process is achieved, work efficiency is greatly improved, and labor cost is reduced.

This invention discloses a method and related apparatus for calculating the churning power loss of spur gears under oil-spray lubrication, belonging to the field of gear transmission. Gear transmission efficiency has a significant impact on the efficiency, fuel consumption, stability, and reliability of power equipment. To accurately calculate the churning power loss of gears under oil-spray lubrication in transmission devices, a method for predicting churning loss of spur gears under oil-spray lubrication is proposed. This method mainly includes several steps: extracting spur gear structural parameters, extracting spur gear motion parameters within the transmission device, calculating the Reynolds number of fluid motion characteristics, and calculating the churning power loss of spur gears under oil-spray lubrication. Compared to conventional methods for predicting churning loss of spur gears under immersion lubrication, this invention is applicable to common oil-spray lubrication conditions within transmission devices, improving the accuracy of churning power loss prediction. It can be used for the design of spur gear distribution or lubrication circuit systems within transmission devices.

This invention discloses a shape-free measurement method for spur gears based on a single set of line structured light. The method includes: constructing an optical platform coordinate system; calibrating the line structured light coordinate system using a spherical calibration body; calibrating the rotation center of a precision turntable; installing the spur gear under test and establishing its coordinate system; adjusting the position of the line structured light probe so that its measurement field of view covers the spur gear from the root circle to the addendum circle; mounting the spur gear on the precision turntable and driving it to rotate at a uniform speed; the line structured light probe scanning and acquiring the spur gear contour point cloud data and circular grating angle information to obtain three-dimensional point cloud data of the tooth surface; based on the three-dimensional point cloud data of the tooth surface, extracting the addendum circle, root circle, and involute tooth profile, and calculating the spur gear parameters; performing reverse three-dimensional tooth surface identification on the modified spur gear to generate a three-dimensional deviation map; outputting the measurement results and printing a report. This invention solves the problems of rapid shape-free measurement of spur gears with unknown basic parameters, tooth surface identification of modified gears, and three-dimensional deviation characterization of the tooth surface.

The utility model discloses a processing device for preparing cool and refreshing high-elastic fabric from regenerated polyester fiber filaments, which relates to the field of cool and refreshing high-elastic fabric processing and comprises a plate surface, one side of the upper end of the plate surface is fixedly connected with a feeding component, and the other side of the upper end of the plate surface is fixedly connected with a discharging component. An adjusting assembly is fixedly connected to the position, between the feeding assembly and the discharging assembly, of the upper end of the plate face, a cleaning assembly is fixedly connected to the inner side of the adjusting assembly, and a processing assembly is fixedly connected to the outer side of the adjusting assembly. By the adoption of the structure, the driving motor rotates to drive the gearbox to rotate so that the shaft rod can rotate, the driving bevel gear is driven to rotate under the rotation of the shaft rod, the driving bevel gear rotates to drive the driven bevel gear to rotate so that the rotating disc can rotate, and therefore the cleaning brush is driven to rotate under the rotation of the rotating disc; and therefore, the fabric can be cleaned under the action of the cleaning brush, and the double-sided cleaning effect can be achieved.

The utility model relates to resource recovery equipment technical field discloses a kind of chemical raw material pressure material recovery devices, including lift frame, lifting plate, the lifting plate is fixedly connected in the output end of lift frame, the rear side outer wall of lift frame is fixedly connected with bearing bracket, the front side outer wall of bearing bracket is fixedly connected with drive machine, separation mechanism is provided on bearing bracket, auxiliary mechanism is provided on bearing bracket, the separation mechanism includes spur gear, the spur gear is fixedly connected in the output end of drive machine by shaft coupling, the side surface outer wall of spur gear is contacted with gear ring, the side surface inner wall of gear ring is fixedly connected with supporting cylinder, vertical groove is set up in the top inner wall of supporting cylinder. In the utility model, by adopting the double solid-liquid separation mode of extrusion and centrifugal combination, extrusion disc is driven by lifting plate to exert pressure on residual material in supporting cylinder, while drive machine drives supporting cylinder to rotate by spur gear and gear ring to generate centrifugal force.

The utility model discloses a natural ventilation formula building wall structure, include: wall body, rotating rod, vane and adjusting mechanism, and the wall body surface is seted up with the ventilation groove, a plurality of rotating rod both ends respectively with the ventilation groove both ends inner wall rotation and are inserted and connect, a plurality of vane are set in rotating rod outer wall, adjusting mechanism is located in the ventilation groove, and adjusting mechanism includes rotation part and adjusting part, and rotation part is connected with rotating rod outer wall sleeve, and adjusting part and rotation part outer wall engage connection, and adjusting part is used for driving rotation part rotation, the utility model discloses setting up adjusting mechanism in the wall body, and the push pull link is promoted, and the rack bar is moved through pull link movement, and the straight spur gear is moved through the rack bar movement and drives the rotation, and the rotating rod is rotated through the straight spur gear rotation and drives, and the vane is rotated through the rotating rod rotation and drives, and the opening and closing angle of vane is adjusted, can be through the vane angle change and is adjusted to the wind direction flow rate of natural wind, improves the ventilation efficiency.

The electromechanical integrated parallel composite flexible disc type axial harmonic reducer consists of a moving part composed of a composite flexible disc (18, 35, 80, 120) that integrates a flexible thrust bearing low-speed moving ring raceway and a planar spur gear on both sides and has an integrated variable stiffness connecting part, and two rolling wave generators (12, 21, 41, 54, 78, 82, 119, 126) of the same structural size but with axial concavity and convexity perpendicular to each other in the circumferential direction, which are fixed on the motor rotor (8, 48, 87, 132). The stationary part is composed of two rigid end caps (3, 42, 63, 103) that are fixed to the planar spur bevel gear (16, 19, 39, 53, 79, 81, 118, 124) and the motor stator (5, 50, 65, 105). Due to the circumferential orthogonal axial symmetrical deformation of the shared composite flexible disk (18, 35, 80, 120), half of the motor input torque is generated by two axial harmonic drive components with the same structural parameters (12, 17, 18, 16 and 21, 20, 18, 19; 41, 49, 35, 39 and 54, 52, 35, 53; 69, 76, 78, 80, 79 and 86, 85, 82, 80, 81; 113, 114, 119, 120, 118 and 128, 127). The components 126, 120, and 124 are connected in parallel for synchronous amplification. After being superimposed by the integrated variable stiffness connector on the outer or inner circle of the composite flexible disk (18, 35, 80, 120), the output is sent to the rotating shell (15, 75, 117) or the spindle (31, 32). The total deformation of the flexible components is reduced due to the shared composite flexible disk (18, 35, 80, 120) and the integrated variable stiffness connector. The elastic deformation force cancels each other out in the moving parts and will not be transmitted to the support bearing, thus reducing frictional power consumption.