506 results about "Abnormal shaped" patented technology

The invention particularly relates to a double-sealing special-shaped ball valve which comprises a valve body, a valve rod rotating and lifting operation mechanism movably installed at the top of the valve body and a connector arranged at the bottom end of the valve rod rotating and lifting operation mechanism. A notch is formed in the top of the special-shaped ball valve clack movably installed in the valve body and can be tensioned, a thin-layer slotting plate part is arranged at the bottom of the special-shaped ball valve clack, deformation is easier, a side through opening is formed in the middle of the special-shaped ball valve clack and used for switching rapid water passing, and therefore the whole structure is an inverted-C-shaped special-shaped ball, and the special-shaped ball valve has the high opening and contracting functions. The left side and the right side of the special-shaped ball valve clack shrink and deform towards the middle portion, the two inclined holes close the notch in the top of the special-shaped ball valve clack, so that the second sealing gasket is separated from the first sealing gasket, and at the moment, in the whole rotating opening and closing process of the valve, the second sealing gasket of the special-shaped ball valve clack and the first sealing gasket of the connecting pipe do not rub; the service life is long.

The invention relates to the technical field of positioning machining clamps, in particular to an engine right suspension support positioning machining clamp which is characterized in that a rocker is rotated to drive a first bevel gear to rotate, and a second bevel gear meshed with the first bevel gear rotates along with the first bevel gear and drives a rotary disc to rotate synchronously. The shifting grooves in the surface of the rotary disc push the shifting rods inserted into the shifting grooves to move in the radial direction, the bottoms of the shifting rods are fixedly connected with the sliding blocks, and the sliding blocks slide in the sliding grooves of the fixed disc, so that the three sets of positioning blocks in a circumferential array synchronously move centripetally or centrifugally, and reference positioning of supports of different sizes is achieved; and then the L-shaped shifting piece is loosened and is automatically clamped between teeth of the limiting gear under the action of the first spring to achieve self-locking, displacement is prevented in the machining process, the outer surfaces of the engine right suspension supports of special shapes or different sizes can be positioned through the three sets of positioning blocks arranged in a circumferential array mode, and the application range is wide.

According to the forest and fruit tree body profiling flapping fruit harvester based on the special-shaped crankshaft structure, transmission is achieved through special-shaped crankshafts with different crank throw eccentricity degrees, and the movement amplitude of flapping strips is limited through the inner side edges of amplitude limiting plates; the purpose that the flapping strips are arranged in a manner of imitating the contour of a tree crown can be achieved while the flapping strips are flapped, the flapping strips are arranged in a shape of imitating a tree shape, missed flapping of the top of the tree crown and the pole position of the symmetry axis is avoided, and the net picking rate of different positions is increased. The device comprises a chassis vehicle body and a tree-like flapping device, in the tree-like flapping device, a crankshaft with a plurality of crank throws is rotationally arranged on a base, and the eccentric distances of the crank throws are different; the lower end of each beating strip is hinged to a crank throw of the crankshaft; opposite amplitude limiting plates are arranged on the higher parts of the two sides of the base, and an amplitude limiting hole is formed between the opposite inner side edges of the two amplitude limiting plates; the distance between the inner side edges of the two amplitude limiting plates close to the center of the amplitude limiting plate in the direction parallel to the axial direction of the crankshaft is smaller than the distance between the inner side edges of the two amplitude limiting plates close to the two ends of the amplitude limiting plate.

The invention relates to a multi-station cold heading forming process for a special-shaped pipe fitting of an automobile shock absorber, and belongs to the technical field of cold heading of special-shaped pipe fittings of automobiles. A combined female die with a three-stage gradual-change fillet structure is adopted, and the diameters of fillets are gradually increased to be matched with a gradient stiffness belleville spring buffer unit, so that staging release of stress is realized; a cross section sudden change stress peak value of the root of the flange is eliminated, the crack risk is reduced, a special-shaped punch of a 45-degree helical angle gradually-shrinking type flow guide groove is designed, axial and radial flow of materials is dynamically guided, meanwhile, the filling amount is controlled in real time through a hydraulic adjustable limiting mechanism, and the problems of folding and wall thickness fluctuation are radically solved; three sets of gradient clamping force clamping jaws distributed at 120 degrees and V-shaped pre-indentations are arranged, asymmetric deformation generated by preorder cold heading is compensated in a self-adaptive mode, and the coaxiality error of a special-shaped contour and a flange is reduced. The problems that in the multi-station cold heading process in the prior art, cracks are caused due to stress concentration of a fixed fillet die, and folding defects are caused due to out-of-control flowing of a linear flow guide groove material are solved.

The invention discloses a precision clamp device for machining special-shaped workpieces in mechanical design, and relates to the technical field of mechanical manufacturing, the precision clamp device comprises a base main body, a reference bottom plate, a plurality of rotating shafts and corresponding elastic clamping blocks, the reference bottom plate is arranged on the base main body, and positioning slots are formed for the rotating shafts to be rotatably mounted; the rotating shafts can independently rotate and drive the elastic clamping blocks to deflect to adapt to the irregular surface of the special-shaped workpiece, the rotating shafts comprise rotating blocks matched with the inserting grooves and adjusting sliding grooves extending along the shaft length, and the rotating shafts are evenly distributed on the circumference of the reference bottom plate; an elastic clamping block is connected with a transmission screw and an adjusting nut, a linear sliding block is arranged to be matched with an adjusting sliding groove, a self-adaptive contact is arranged on the side, facing the clamping center, of the elastic clamping block, the contact is provided with an elastic protection contact end cover, and a stress sensing connecting rod and an elastic buffering spring are installed in the contact. A movable rod penetrates through the base body, one end of the movable rod is connected with a control handle, the other end of the movable rod is connected with a self-adaptive pressing plate, the movable rod is sleeved with a reset spring, the pressing plate is provided with a profiling abutting block, and the clamping stability is improved.

The invention discloses a clamping mechanism for special-shaped metal part machining, and relates to the technical field of flexible clamps, the clamping mechanism comprises at least one positioning unit which is arranged at intervals in the workpiece clamping direction, and a clamping driving unit which is connected with the positioning unit and is used for driving the positioning unit to move towards the workpiece side so as to realize clamping, the positioning unit is provided with a positioning column capable of stretching and retracting in a self-adaptive mode along the contour of the workpiece and an adjusting rod used for locking the stretching and retracting state of the positioning column, and the clamping driving unit comprises a U-shaped base, a U-shaped frame connected with the positioning unit and a linear driving piece driving the U-shaped frame to move in the direction close to or away from the workpiece. The clamping mechanism is convenient to operate on the whole, low in manufacturing cost, capable of being suitable for effectively clamping different metal pieces, reliable in structure and good in use performance.

The invention discloses a numerical control planer type milling machine convenient for clamping workpieces, which belongs to the technical field of numerical control machine tools and comprises a bottom frame, an H-shaped frame is fixedly mounted in the bottom frame, a linear module is fixedly mounted on the upper surface of the H-shaped frame, a placing plate is fixedly mounted on the upper surface of a moving block of the linear module, and a lifting mechanism slidably sleeves the upper end of the outer surface of the placing plate. The inner ring wall of the lifting mechanism is engaged with the four pressing and clamping mechanisms, and the four pressing and clamping mechanisms slide on the upper surface of the lifting mechanism at the same time and can slide and adjust the pressing and clamping directions on the upper surface of the lifting mechanism by taking the frame appearance of the lifting mechanism as a guide rail through engagement transmission force. Through the design of the lifting mechanism and the pressing and clamping mechanism, only manual workpiece placement, follow-up parameter recognition, height and direction adjustment and full-automatic clamping force control are needed, manual clamp adjustment is not needed, the special-shaped workpiece can be adapted, and the machining quality consistency is guaranteed.

According to the mechanical gripper with the self-adaptive grabbing function, the exposed end of a piston rod is sleeved with a connecting rod base through a vertical through hole A, and the connecting rod base is fixedly connected with a cylinder barrel; the exposed end of the piston rod is fixedly sleeved with the pushing seat through a vertical through hole B, two pairs of movable seat lug plates A are symmetrically arranged at the left end and the right end of the upper portion of the pushing seat, and two movable seat lug plates B are symmetrically arranged at the left end and the right end of the lower portion of the pushing seat; the two clamping jaw mechanisms are oppositely distributed on the left side and the right side of the piston rod. The clamping jaw mechanism comprises a clamping jaw base, a plurality of elastic jaw teeth and a shovel body; the two transmission assemblies are distributed corresponding to the two clamping jaw mechanisms correspondingly. Each transmission assembly comprises a connecting frame A, a connecting frame B and a connecting frame C; each transmission assembly is connected with the corresponding connecting rod base, the corresponding pushing base and the corresponding clamping jaw mechanism on one side. The mechanical claw has the self-adaptive posture adjusting capacity, self-adaptive grabbing operation of objects in different shapes or special-shaped workpieces can be achieved under the condition that the mechanical claw is not replaced, and the grabbing operation efficiency can be remarkably improved.

The invention provides a pneumatic swing head tool for machining a sealing surface of a gate valve body, and belongs to the technical field of valve machining. Comprising a machine tool, one side of the machine tool is provided with a control center, the surface of the machine tool is slidably connected with a sliding support, one side of the sliding support is provided with a sliding groove disc, the interior of the sliding groove disc is rotatably connected with a rotating handle with a rod, the top of the machine tool is provided with a square box body, and the top of the square box body is connected with a pressing disc in an inserted mode. By arranging the hydraulic clamping assembly and the angle adjusting assembly, dynamic balanced distribution of clamping force of multiple sets of synchronous cylinders is achieved, the problem of stress concentration in the clamping process is avoided, the deformation probability of a valve body is reduced, modules are rapidly replaced, the fault maintenance time is shortened, a multi-angle adjustable swing head is achieved, and the working efficiency is improved. The adaptability to special-shaped valve bodies with different pipe diameters is improved, the cutting fluid is clamped, the service life of a cutter is prolonged, meanwhile, the machining stability and the production efficiency are guaranteed, and the smoothness of the sealing face of the valve body is improved.

The invention discloses an intelligent grinding and polishing device suitable for special-shaped parts, and relates to the technical field of part machining, the intelligent grinding and polishing device comprises a bearing assembly, the bearing assembly comprises a supporting table, an empty groove is formed in the top of the supporting table, an anti-skid groove is formed in the bottom in the empty groove, and an auxiliary frame is fixed to the supporting table; and the positioning assembly is arranged on the supporting table and comprises a workbench located at the top of the supporting table, and storage shells are fixed to the two sides of the top of the workbench correspondingly. The special-shaped part machining device has the beneficial effects that through the arrangement of the positioning assembly and the processing assembly, special-shaped parts of different shapes can be preliminarily positioned through the multiple positioning rods, then locking is conducted in cooperation with the upward-moving displacement frame, the clamping stability of the special-shaped parts is guaranteed, and meanwhile the machining efficiency is improved according to different grinding and polishing machining requirements. And the surface of the special-shaped part is treated in cooperation with different machining heads, the machining heads are convenient to disassemble and assemble, and the overall machining efficiency is guaranteed.

The invention provides a bidirectional variable-curvature special-shaped barrel roll bending forming method and system and electronic equipment, and belongs to the technical field of roll bending forming. The method comprises the steps that a working roll displacement expression of roll bending equipment is determined based on shape parameters of the roll bending equipment and material performance parameters of a plate; the roll bending equipment comprises a working roll and a servo motor; the working roll comprises a convex upper roll, a concave lower roll and a concave side roll which are meshed to form a variable-curvature forming surface; determining a displacement parameter of the working roll based on the plate thickness parameter and the working roll displacement expression; the displacement parameters are input into the trained network model to obtain servo motor control parameters, the servo motor control parameters are input into a PI controller, a servo motor is controlled, and a working roller is driven to move to conduct roller bending forming on the plate; the network model is obtained based on WNN neural network training. According to the method, the problems of low machining efficiency and low forming precision of a bidirectional variable-curvature special-shaped barrel roll bending forming method can be solved.

The invention belongs to the technical field of ring piece rolling forming and manufacturing, and discloses a design method for a complex special-shaped ring rolling preformed blank with inner and outer grooves based on metal flow regulation and control. The shape of a preformed blank is designed to be a special-shaped section annular blank with the height of an outer side groove lower than that of an outer side groove of a target ring piece; the deformation amount of the pre-rolling step and the deformation amount of the final rolling step are distributed, the total deformation amount, the deformation amount of the pre-rolling step and the deformation amount of the final rolling step in the ring rolling process are determined through the outer diameter ratio, and the numerical value relation among the three deformation amounts is met; on the basis of the deformation distribution result, various size parameters of the preformed blank are determined, and the size parameters comprise the height, the outer side transition area bevel angle, the outer side groove depth, the outer side groove outer diameter, the end face outer diameter and the inner diameter. According to the method, metal flowing regulation and control are achieved through multi-step rolling, metal is effectively promoted to fill the cavity, the defect of under-filling is avoided, and the material utilization rate and the preformed blank design efficiency are improved.

The invention provides a special-shaped test piece fatigue test loading device. The special-shaped test piece fatigue test loading device comprises an upper connector, a lower connector, a main shaft, a transverse shaft, a lower connector transverse shaft, a clamping plate, a bolt, a support and a clamping block. The test piece is connected through the main shaft and the two transverse shafts, and the support and the test piece are connected through the clamping plates and the bolts. The pull rods on the single-lug upper connector and the double-lug lower connector are clamped on an electro-hydraulic servo fatigue testing machine, and loading of a test piece is achieved through pulling and pressing of the testing machine on the lugs of the upper connector. The strain measuring device comprises a strain gauge and a signal transmission processing device, and the strain gauge is installed on a main examination part of the test piece according to test requirements. Through the fatigue test device, accurate load application of the special-shaped structural member is realized, and a fatigue test is completed.

The utility model relates to the technical field of welding fixtures, and particularly discloses an automobile maintenance welding fixture which comprises a bearing mechanism and a clamping mechanism, the bearing mechanism comprises a base and a movable rail plate installed on the base, a movable groove is formed in one surface of the movable rail plate, and a movable protruding block is installed in the movable groove. The clamping mechanism comprises a second extrusion plate fixedly installed on the vertical plate and an open groove formed in the vertical plate, the open groove penetrates through the vertical plate, a sliding protruding block is slidably connected into the open groove, and one end of the sliding protruding block is fixedly connected with a first extrusion plate; according to the device, the movable rail plate with the two movable seats is arranged, some special-shaped workpieces with radians can be clamped and fixed, meanwhile, the stand columns, provided with the arc-shaped positioning plates, on the movable seats can contract or expand along with movement of the movable seats, and therefore circular workpieces of different sizes can be clamped and fixed; the device can be suitable for various types of workpieces, operation is easy and convenient, and practicability is high.

The invention discloses an industrial mechanical clamping jaw, and relates to the technical field of mechanical clamping jaws, the industrial mechanical clamping jaw comprises mounting plates, one end between the mounting plates is connected with a first hinge rod through a driving assembly, the front and rear ends of the mounting plates are both provided with second hinge rods, and the first hinge rod is connected with the second hinge rods; a clamping box is mounted at the lower end of one end between the second hinge rods; a clamping mechanism used for limiting the special-shaped workpiece is arranged on the inner side of the clamping box, and adjusting mechanisms used for adjusting the height of the clamping mechanism are arranged at the front end and the rear end of the clamping box. According to the industrial mechanical clamping jaw, the upper end of the clamping box can be matched with a workpiece, the workpiece is clamped, when the special-shaped workpiece needs to be clamped, a positioning hole is reserved in the surface of the special-shaped workpiece, and a limiting block on the outer side of a gear ring is clamped into the positioning hole to limit the position of the special-shaped workpiece; and then the special-shaped workpiece is clamped through the upper end of the clamping box.

The present invention relates to a special-shaped interface inflation sealing device for airtightness testing, which includes a bracket, a housing arranged on the bracket, an inflation sealing assembly arranged in the housing, and a cylinder arranged on the bracket for driving the inflation sealing assembly; the inflation sealing assembly includes a U-shaped frame with its tail connected to the driving end of the cylinder, a slider arranged in the U-shaped frame, a spring arranged between the inner end of the slider and the tail of the U-shaped frame, a guide post arranged at the outer end of the slider, a pressing block arranged at the head of the U-shaped frame and sleeved on the guide post, a pressing part arranged on the pressing block and sleeved on the guide post, a limiting part arranged at the head of the guide post with a diameter larger than that of the guide post, and a sealing ring sleeved on the guide post and located between the pressing part and the limiting part; an inflation hole is arranged in the guide post along the length direction of the guide post; since the inflation sealing mechanism of the present invention uses internal expansion for sealing, it can effectively seal the special-shaped interface, thereby improving the testing accuracy.

A method for closing a facility (1) for extrusion of a profiled element (2) comprising a roller (3) supported by a bearing (4), a tool module (10) intended to interact with the roller (3) so as to form an air gap (12) for shaping the profiled element (2), and at least a first head module (13) having a first extruder (14) comprises an engagement step (s1), during which the tool module (10) is urged against the first bearing (4) by a preload force (F_Z), in an engagement direction (Z), then a clamping step (s2) during which the tool module (10) is clamped between the first head module (13) and a second head module (23), on either side of the tool module (10), and by subjecting them to a clamping force (F_X), in a coupling direction (X) which is transverse to the engagement direction (Z).

The utility model provides a tool fixture of special-shaped joint, including fixture base, fixed structure and clamping structure, wherein, fixed structure and clamping structure are installed in fixture base respectively, and fixed structure is used to position special-shaped joint, and clamping structure can move relative to fixture base, and clamping structure includes clamping drive assembly, flexible clamping assembly and clamping assembly, and flexible clamping assembly and clamping assembly are connected with clamping drive assembly respectively, and special-shaped joint is positioned and clamped through the cooperation of flexible clamping assembly and fixed structure, and after special-shaped joint is positioned and clamped, special-shaped joint is fixed through the cooperation of clamping assembly and fixed structure, so as to reduce the positional deviation of special-shaped joint in the clamping process, thereby improving the inner hole machining precision of special-shaped joint.

The utility model relates to the technical field of shock absorbers, in particular to a shock absorber structure of a washing machine, which comprises a shock absorber barrel body, a shock absorber column body, a connecting assembly, a connecting column, a stud, a special-shaped clamping block, a mounting seat, a limiting column, a lifting lug, a spring, a special-shaped clamping groove, a limiting groove, a lifting sliding groove and a spring groove. The connecting assemblies are arranged on the shock absorber cylinder body and the shock absorber column body, when overhaul and maintenance are needed, the lifting lugs are lifted through cooperation of all parts in the connecting assemblies, the springs are compressed, the limiting columns are separated from the limiting grooves, then the special-shaped clamping blocks slide out of the special-shaped clamping grooves of the connecting columns, and the shock absorber cylinder body and the shock absorber column body are connected. The shock absorber cylinder body and the shock absorber column body can be separated from the connecting assembly, so that the shock absorber can be conveniently and quickly taken down from the washing machine; the special-shaped clamping block is pushed into the special-shaped clamping groove, the limiting column is pressed into the limiting groove under the action of the spring, fixing of the connecting assembly, the shock absorber barrel and the shock absorber column is achieved, dismounting and mounting are convenient and fast, and later maintenance and replacement of the shock absorber are greatly facilitated.

The utility model discloses a special-shaped ring for reciprocating motion sealing of a clutch piston and a retainer, and belongs to the technical field of sealing rings. Comprising a main body part, a sealing lip part and an extension part, the main body part is integrally connected with the sealing lip part and the extension part, the main body part is arranged in an annular groove formed in the clutch piston, the sealing constraint area of the main body part and the outer surface of the clutch piston is increased through the extension part, and the main body part and the retainer are sealed through the sealing lip part. According to the special-shaped ring, by changing the external structure, the assembling boundary of the special-shaped ring and the assembling position is matched as much as possible under the condition that performance indexes are met, and an O-shaped structure is changed into a special-shaped structure, so that the sealing area of the special-shaped ring is enlarged, and the friction force is increased; the rubber body in contact with the mounting limit of relative movement is specially designed in structure, so that the rubber body still has better sealing performance during reciprocating movement, and is firmer and better in adaptability and sealing performance after being mounted under a complicated assembly limit.

The invention discloses a petal-shaped elastic polishing wheel structure, and relates to the technical field of elastic polishing wheels, the petal-shaped elastic polishing wheel structure comprises a polishing wheel main body which is arranged in a clamping device in a limiting manner and is used for polishing a workpiece; the ejector pin is elastically inserted into the polishing wheel main body to sense the abrasion condition; the deformation plates are coaxially and symmetrically arranged on the inner wall of the polishing wheel body and used for elastically expanding the polishing wheel body; the adjusting rod is movably inserted into the deformation plate to drive the deformation plate to elastically deform; the moving columns are symmetrically arranged on the surface of the special-shaped clamping block and elastically move along with the displacement of the special-shaped clamping block. The characteristics that the elastic petal polishing head is in an independent hollow shape and can elastically deform during machining, and elastic materials can be gradually abraded, reduced and irreversible are ingeniously utilized, the backward retraction distance of the ejector pin during machining is combined with a one-way limiting structure, gaps generated by loss of the polishing head can be automatically made up in real time, and the machining precision is improved. And the preset fitting pressure between the working surface and the workpiece is kept all the time.

The utility model provides a special-shaped metal plate shell transfer frame. The special-shaped metal plate shell transfer frame comprises a frame base and a fixing unit. The frame base comprises a bearing plate and a forklift bracket base; the multiple fixing units are arranged on the bearing plate at equal intervals in the front-back direction. The fixing unit comprises a back plate vertically arranged on the bearing plate in the left-right direction and an adjusting clamping rod assembly. The clamping rod and the back plate are arranged in a spaced mode, and the shaft seat and the angle locking seat are fixed to the bearing plate. The lower end of the clamping rod is rotationally mounted on the shaft seat through a rotating shaft rod; the clamping rods rotate on a vertical surface by taking the rotating shaft rod as a circle center and are fixed by the angle locking seat; the four adjusting clamping rod assemblies are located at the left end and the right end of the front side and the rear side of the back plate. Protective layers are arranged on the front and rear side surfaces of the back plate and the surfaces, facing the back plate, of the clamping rods. The special-shaped metal plate shell transfer frame can be adjusted at multiple angles, is suitable for fixing special-shaped metal plates in complex shapes, and is high in adaptability and safe and stable in the transfer process.

The utility model relates to the technical field of numerical control lathe chuck clamp equipment, and discloses a special-shaped flange inclined hole lathe machining clamp which comprises a base 1, a fixing assembly is arranged at the top of the base, a collecting assembly is arranged on the inner wall of the base, the fixing assembly comprises a sliding groove, a fixing bearing is arranged on the inner wall of the sliding groove, and the collecting assembly is arranged on the inner wall of the sliding groove. A threaded rod is arranged on the inner wall of the fixed bearing, and one end of the threaded rod is fixedly connected with a rotary knob. The special-shaped flange inclined hole lathe machining clamp is provided with a sliding groove, a fixed bearing, a threaded rod, a rotary knob, a movable frame, a clamping arm, a fixed plate, a positioning rod and a pressing disc, a worker places the concave face of a special-shaped flange on the fixed plate, the clamping arm is moved by rotating the rotary knob, the special-shaped flange is clamped, the pressing disc is pressed downwards by rotating the pressing disc, and the special-shaped flange inclined hole is machined. Therefore, the special-shaped flanges with different sizes and thicknesses can be fixed, the adaptability is improved, and the requirements of people are met.

The trimming die for the special-shaped square box aluminum part comprises a bottom plate and a telescopic cylinder, a push seat is installed at the output end of the telescopic cylinder through a bolt, an adjusting assembly is arranged on one side of the interior of the push seat, and a limiting assembly is arranged on the other side of the interior of the push seat. And the adjusting assembly comprises a moving groove and a transmission groove, and a reciprocating screw rod is movably mounted in the moving groove through a bearing. Through the arranged adjusting assembly, when a rotating ring in the adjusting assembly is rotated, the rotating ring drives a screw rod to rotate synchronously, and due to the fact that the screw rod is in threaded connection with a pressing mold plate, drives the pressing mold plate to generate displacement and drives a telescopic rod to act synchronously, the device can conduct equipment adjustment on trapezoidal materials through the design, and meanwhile the device is convenient to operate. By means of the synergistic effect of the reciprocating rod, the reciprocating screw rod, the one-way bearing and the gear, the position of the movable seat can be flexibly adjusted, so that a user can precisely limit the trapezoidal materials according to the trapezoidal materials with different sizes and thicknesses, and the material limiting effect is remarkably improved.

The utility model belongs to the technical field of valve core detection, particularly relates to a detection device for valve core processing, and aims to solve the problems of poor stability and incomplete detection data in the background technology, and provides the following scheme: the detection device comprises a detection table, an electric guide rail is mounted on the outer wall of the top of the detection table, and a sliding block of the electric guide rail is fixedly connected with an arm support; a sliding seat is fixedly connected to the outer wall of one end of the arm frame, a vertical seat is arranged on one side of the sliding seat, symmetrically-distributed side plates are welded to the outer wall of the top of the detection table, a horizontal air cylinder is fixedly connected to the inner wall of one side plate, a connecting piece is fixedly connected to a piston rod of the horizontal air cylinder, and a sealing cover is welded to the inner wall of one end of the connecting piece; the outer wall of one side of the sealing cover is fixedly connected with an air pipe. The valve core detection device has high stability, is well adaptive to the special-shaped structure of the valve core, is beneficial to improving the accuracy of the detection result of the device, and adopts diversified detection modes, so that the quality of the valve core can be known in multiple aspects.

The utility model relates to special-shaped gear machining technical field and disclose a positioning tool for special-shaped gear machining, including installation box, the inside fixed mounting of installation box has second rotating electrical machine, the output fixed mounting of second rotating electrical machine has rotary disc, the top of rotary disc is provided with detachable receiving block, and the receiving block is semicircular ring, and the side surface of receiving block is provided with receiving cavity, and both ends of receiving block all fixed mounting have two first connecting blocks. In the utility model, first rotating electrical machine drives U -shaped pull block horizontal movement, drives first connecting rod linkage first extrusion block and second extrusion block synchronous movement, and the adaptive clamping: second extrusion block promotes the rotation of clamping block around the C -shaped groove of second connecting block, makes the recessed groove camber of clamping block tightly cover special-shaped gear non -circular profile, simultaneously, its addendum is pressed tightly to the inner wall of receiving cavity, and special-shaped gear is under the action of bidirectional extrusion force automatic correction center hole position, improves the positioning accuracy.

The utility model provides a gear pitch external diameter testing fixture tool, which comprises a mounting plate, the surface of the mounting plate is provided with three sliding chutes, positioning assemblies are assembled in the sliding chutes, and the mounting plate is connected with fixing assemblies at the end parts of the three sliding chutes. The positioning block and the fixing block are arranged on the base, the elastic buffering effect of the spring is utilized, impact force generated when the gear is placed can be effectively absorbed, it can be guaranteed that the relative position between the positioning block and the fixing block is stable, and in the special-shaped gear measuring scene, the diameter of the center circle of the positioning block is accurately measured through quadratic element measuring equipment; and the outer diameter size of the gear pitch is indirectly obtained.

A replaceable, tightly fitting tapered motor shaft includes a first sealing shaft, a positioning shaft, a support shaft, a rotor shaft, a second sealing shaft, and a tapered shaft. The positioning shaft is fixedly connected to one end of the first sealing shaft, and the support shaft is fixedly connected to the other end of the positioning shaft. The other end of the support shaft is detachably connected to one end of the rotor shaft. A toothed bushing is fitted onto the rotor shaft, and the other end of the rotor shaft is also detachably connected to the second sealing shaft. The other end of the second sealing shaft is fixedly connected to one end of the tapered shaft. This invention allows for easy disassembly and replacement of the vulnerable rotor shaft when it is damaged, thanks to springs and a special-shaped groove. Furthermore, the toothed bushing allows for quick installation of the motor rotor. Thus, after wear or damage, only the vulnerable parts need to be repaired and replaced, eliminating the need for complete replacement and reducing costs while improving work efficiency.

The utility model discloses an auxiliary supporting device for a special-shaped part, which belongs to the field of supporting devices and comprises a mounting seat, a supporting device, a locking device and a limiting device. The supporting device is fixedly arranged on the mounting seat, and the locking device and the limiting device are arranged on the supporting device. By means of the device, the problems of deformation, vibration and other quality deviations, caused by machining force, of the suspended part of the special-shaped part are solved, and the machining quality and efficiency of products are effectively improved.

The invention discloses a special-shaped spring envelope diameter detection method and tool, the tool comprises an upper disc body and a lower disc body, the upper disc body and the lower disc body are used for being installed on a force measuring machine, the top of the lower disc body is fixedly provided with a base, and the outer side of the base is rotatably provided with a tool rotating disc. A special-shaped spring body is arranged at the top of the base, and a telescopic assembly is arranged in the special-shaped spring body. The method and tool for detecting the envelope diameter of the special-shaped spring can be customized according to special-shaped springs of different shapes and specifications, can meet the detection requirements of diversified special-shaped springs in the market, reduce the purchase cost and maintenance cost of detection equipment, can accurately detect the envelope diameter of the special-shaped spring, ensure that the size of the spring meets the design requirement, and improve the detection efficiency. Compared with the prior art, the device has the advantages that the product quality is greatly improved, product faults and potential safety hazards caused by unqualified spring sizes are reduced, the special-shaped spring can be quickly detected, the detection time is obviously shortened, and the production efficiency is improved.