44results about How to "Guaranteed rotational flexibility" patented technology

The invention discloses an anchor drilling machine provided with a protection function and used for oil drilling. The anchor drilling machine provided with the protection function and used for oil drilling comprises an installation top seat, auxiliary drilling rods and a main drilling rod. A sliding groove is formed in the surface of the installation top seat, an inner sliding ring is arranged onthe outer side of the middle of the installation top seat, a control motor seat is arranged at the upper end of the auxiliary drilling rod, the auxiliary drilling rods are separately positioned on theleft and right sides of a collar plate, a hydraulic cylinder is arranged above the outer side of the main drilling rod, and the main drilling rod is positioned below the collar plate. According to the anchor drilling machine provided with the protection function and used for oil drilling, the sizes of the collar plate and an outer sliding ring are matched with each other, the outer sliding ring is arranged on the outer side of the mounting top seat in a clamped mode and is attached to a cushion layer on the outer wall of the inner sliding ring, and the size of the inner sliding ring is matched with the size of the sliding groove on the installation top seat, namely, the inner sliding ring has rotating capability on the installation top seat, the outer sliding ring has rotating capabilityon the cushion layer, and the collar plate has rotating capability on the outer sliding ring, so that the collar plate has very high rotating flexibility in a layer-by-layer nesting mode.

The invention discloses a rotary-feeding ligature clip running applier with replaceable chuck, and belongs to the field of medical clip appliers. The rotary-feeding ligature clip running applier comprises a shell, a trigger, an outer tube, a clip head mechanism, a clip bin mechanism, a clip head clamping and closing transmission mechanism and a clip pushing mechanism, wherein the clip bin mechanism of the continuous-shooting clip applier adopts a clip storage disc design for rotating clip replacement, and the clip pushing mechanism is used for pushing ligature clips in a clip storage disc to the clip head mechanism for clip applying; therefore, the clamping bin mechanism occupies a small size in the length direction of the clip applier, the length of an outer tube of the clip applier is conveniently and reasonably set, and the operation flexibility and stability of the clip applier are improved; moreover, the ligature clips are uniformly and independently arranged in the circumferential direction of the clip storage disc, so that the continuous shooting number of the clip applier can be flexibly set; meanwhile, the ligature clips do not influence one another, the clip applying action is more stable and reliable, the clip storage disc is simple and convenient to replace, and the clip applier is convenient to reuse; therefore, the ligation clip is compact and stable in connection before and after continuous percussion action, and flexible and convenient to operate.

The invention provides a hydraulic water retaining dam. The hydraulic water retaining dam has the advantages that a hydraulic cylinder swings flexibly, the service life is long and the fault rate is low. According to the hydraulic water retaining dam, the lower part of a flashboard is hinged to a dam foundation through a first hinged shaft; one end of the hydraulic cylinder is hinged to the surface, backing onto water, of the flashboard through a second hinged shaft, and the other end of the hydraulic cylinder is arranged in a concave part formed in the dam foundation and is hinged to the dam foundation through a third hinged shaft; the first hinged shaft, the second hinged shaft and the third hinged shaft are all arranged parallel to one another in the horizontal direction; an opening of the concave part is provided with a fixing plate for shielding the opening of the concave part; a through hole matched with the shape of the surface of the hydraulic cylinder is formed in the fixing plate; the height of the through hole is the same as the height of a shaft core of the third hinged shaft; and when the hydraulic cylinder swings in the concave part, the surface of the hydraulic cylinder is closely attached to the edge of the through hole; and a cylinder body swings in the concave part around the third hinged shaft to drive the flashboard to turn over, and the cylinder body is matched with the fixing plate all the time in a sealed mode so that impurities such as silt are prevented from entering the concave part, the rotation flexibility of the cylinder body can be ensured, and therefore the turnover of the flashboard can be ensured.

The invention discloses plasma processing equipment. An electrode opening mechanism of the processing equipment comprises a lifting component, wherein the outside part of the lifting component is installed on the inner wall of an electrode shell (22) of the plasma processing equipment and moves in the vertical direction driven by the electrode shell (22); the inside part of the lifting component is alternatively clamped with or separated from an adjusting bracket (23) of the plasma processing equipment in the vertical direction, thus the inclination of the adjusting bracket (23) caused in theprocess of reconnecting the lifting component and the adjusting bracket (23) can be avoided, the positioning reliability between a reaction cavity (0) and the lifted adjusting bracket (23) falling down again can be ensured, and then the positioning reliability of a top electrode closed again can be improved and the working performance of the plasma processing equipment can be improved.

According to the angle adjusting device, at least part of an angle adjusting assembly is located in a fixing assembly, and the angle adjusting assembly can rotate in the horizontal direction and the vertical direction relative to the fixing assembly, so that not only is the angle adjusting efficiency improved, but also the situation that communication equipment inclines after angle adjustment is avoided, and the influence on the signal coverage function of communication equipment is avoided.

The invention discloses an installation structure of a motorcycle steering column. The steering column is arranged in a head tube in a penetrating mode and is supported with the head tube through an upper steering bearing and a lower steering bearing, and the upper port and the lower port of the head tube are both provided with a sealing fin; each sealing fin is composed of a sheet metal and a sheet rubber, wherein the sheet metal and the sheet rubber are both in a circular ring structure, and the axial leads of the sheet metal and the sheet rubber are in the same straight line; the external edge of the sheet metal is embedded into the inner ring of the sheet rubber; the external ring of the sheet rubber is integrally provided with two cowls, wherein the first cowl is embedded into the head tube and is abutted with the inner wall of the head tube, and the second cowl is pressed on the end wall of the head tube. By additionally arranging the sealing fins on the ports of the head tube, the invention ensures that the inner part of the head tube is completely isolated from outside so as to effectively prevent dust, rain and the like from entering the head tube and ensure steering bearing lubrication and the rotation flexibility of steering column. The invention has the characteristics of artful conception, simple structure, convenient installation, favorable reliability and the like and can be used on various types of motorcycles.

The embodiment of the invention provides a roller (60). The roller is suitable for a Mecanum wheel (200). The roller comprises a roller body (62), a rolling shaft (61) and a rolling shaft sleeve (64),wherein a roller body through hole (622) extending in the axial direction of the roller body is formed in the roller body (62); the rolling shaft (61) comprises a connecting part (611) and a stoppingblock rolling shaft end (612) connected to one end of the connecting part ( 611 ), and the connecting part (611) is arranged in the roller body through hole (622); the rolling shaft sleeve (64) comprises a connecting sleeve part (641) and a stopping block rolling shaft sleeve end (642) connected to one end of the connecting sleeve part (641), and the connecting sleeve part (641) is arranged in the roller body through hole (622); the connecting part (611) is inserted into the connecting sleeve part (641), and the connecting part (611) is fixedly connected to the connecting sleeve part (641); the stopping block rolling shaft end (612) and the stopping block rolling shaft sleeve end (642) are separately connected to both sides of the roller body through hole (622) in a clamped mode; and theroller body can rotate around the rolling shaft (61) and the rolling shaft sleeve (64). The rolling shaft (61) and rolling shaft sleeve (64) of the roller (60) can improve connection firmness betweenthe roller (60) and a rim (20).

The invention provides a bearing retainer which comprises a retainer body and a retainer hole which penetrates through the retainer body in thickness direction of the retainer body; the side wall of the retainer hole, which contacts the rolling surface of a rolling body, is provided with a flange, and the flange extends along the rolling surface of the rolling body. By the adoption of the structural arrangement, on the basis of ensuring the rotation flexibility of the retainer, the bearing retainer provided by the invention can effectively reduce contact stress between the retainer and the rolling body. The invention also provides a bearing comprising the bearing retainer.

The invention relates to the technical field of aviation and discloses an unmanned aerial vehicle and a cross plate mechanism and a control method thereof. In the cross plate mechanism of the unmannedaerial vehicle, an outer ring is hinged to a rack and rotates around a first axis; an inner ring is sleeved with the outer ring and hinged to the outer ring, the inner ring rotates around a second axis, and the second axis is perpendicular to the first axis; in the first linear motor, a first motor body is hinged to the rack, and a first push rod is connected with an inner ring driving connectionpoint on the inner ring; in the second linear motor, a second motor body is hinged to the rack, and a second push rod is connected with an outer ring driving connection point on the outer ring. Whenthe central axis of a power device deflects, a direction angle psi to be reached by the central axis of the power device and an inclination angle [theta]1 of the central axis relative to an initial plane are determined firstly, the [theta]1 is decomposed into [theta]x and [theta]y in the first axis direction and the second axis direction, sin[theta]x is equal to sin[theta]1*cos[psi], and sin [theta]y is equal to sin[theta]1*sin[psi]; [theta]x and [theta]y are converted into travel instructions of the two linear motors. The driving mode is simple and direct, and the precision is high.

The invention discloses a disengagement prevention and single suspension ring prevention lifting system, and belongs to the field of oil drilling equipment. The system comprises a disengagement prevention component, the disengagement prevention component comprises a stop block and a lock block, the stop block is in locked connection with the lock block, a sensing component is arranged on the stop block, and a trigger block is arranged on the inner wall of a lower notch; the system further comprises a single suspension prevention component and a disengagement prevention mechanism, the single suspension prevention component comprises a controller, the controller is in wireless electric connection with the sensing component, the disengagement prevention mechanism comprises a locking block and a baffle block, the locking block is in locking connection with the baffle block, the locking block comprises a latch hook portion and a stress portion, the baffle block performs pendulum motion around a rotating shaft, the baffle block swings clockwise and is locked with a latch hook portion of the locking block, the baffle block swing anticlockwise and is unlocked with the locking block, the baffle block comprises a locking portion and a disengagement prevention portion, the locking portion is located inside the upper notch of a suspension lug, and the disengagement prevention portion is located inside a lug hole of the suspension lug. A suspension ring can be firmly blocked into the lug hole, and the using stability of the whole lifting system is ensured; lifting of the single suspension ring can be avoided, and potential safety hazards are eradicated.

The invention relates to an assembling method of a roller type overrun clutch. The assembling method comprises the following steps: putting a roller in a semi-arc on a special tool by designing the special tool; guiding the roller to a mounting position through a tool; and then mounting an outer ferrule to finish assembly. In the assembling process, under the action of the semi-arc, the roller will not fall, so that the roller is mounted conveniently and rapidly; meanwhile, during mounting, lubricating oil is not used, so that the blocking phenomenon is avoided, the rotating flexibility of theroller and a retaining rack is guaranteed, and therefore, the using stability and reliability of a product are further guaranteed.

The invention relates to the technical field of valve equipment, in particular to a pneumatic wear-resisting ceramic rotary deslagging valve. The pneumatic wear-resisting ceramic rotary deslagging valve comprises a pneumatic mechanism, an outer rocker arm, a rotary shaft component, a rotary shaft sleeve, an upper valve body, an inner rocker arm, a spring seat, a valve plate and a lower valve body;the upper valve body and the lower valve body are in fixed and sealed connection, the pneumatic mechanism is connected with the outer rocker arm, the outer rocker arm is connected with the inner rocker arm, and the inner rocker arm is connected with the valve plate through the spring seat; the rotating shaft component comprises a rotating shaft, the upper end of the rotating shaft is fixedly connected with the outer rocker arm, the rotating shaft is arranged in the rotating shaft sleeve, and the rotating shaft sleeve is arranged on the upper valve body; the lower end of the rotating shaft isfixedly connected with one end of the inner rocker arm; the other end of the inner rock arm is fixedly connected with the spring seat, a mold spring is arranged at the bottom in the spring seat, and the valve plate is connected with the spring seat through the mold spring. The pneumatic wear-resisting ceramic rotary deslagging valve disclosed by the invention is reasonable in structure, has the advantages of being resistant to wear and high heat and long in service life, and is suitable for various dust and particle conveying systems of thermal power plants, metallurgy, medicine, chemical engineering and the like.

The invention discloses a rotary docking device under pressure. The rotary docking device under pressure comprises a middle connection main body, a lower connection flange and an upper connection flange, wherein the lower connection flange is connected with a lower end of the middle connection main body; the upper connection flange is connected with an upper end of the middle connection main body;a middle connection cavity is formed in the middle connection main body; a cylinder block is arranged on an outer side of a lower end of the middle connection main body; a piston cavity is formed between the cylinder block and the middle connection main body; an oil cylinder blocking ring is arranged at a lower end of the cylinder block; a middle part of the lower connection flange is arranged between the oil cylinder blocking ring and the middle connection main body in a sliding way; a piston which is in sliding fit with the piston cavity is arranged at the upper end, extending into the piston cavity, of the lower connection flange; diving threaded holes are formed in a lower end of the lower connection flange; and a first pressure pipeline connection port which is in communication withthe piston cavity at the lower end of the piston is formed in the lower end of the cylinder block.

The invention provides a robot with universal wheel sets. First limiting pieces, second limiting pieces, universal wheels and installing structures are included. The universal wheels are rotationallyarranged on the installing structures. The first limiting pieces and the second limiting pieces are close to the universal wheels. When the universal wheels rotate to make contact with the first limiting pieces, the universal wheels are stopped at the first extreme position. When the universal wheels rotate to make contact with the second limiting pieces, the universal wheels are stopped at the second extreme position. According to the provided robot with the universal wheel sets, the rotation angle of the universal wheels can be limited through the first limiting pieces and the second limiting pieces.

The invention discloses a perforating device for cambered surface building outer wall lamp installation in the technical field of perforating devices. The perforating device for cambered surface building outer wall lamp installation comprises two upper and lower groups of rectangular fixed pillars, wherein V-shaped fixed feet are arranged at the back ends of the fixed pillars; U-shaped moving blocks are slidably arranged on the opposite end surfaces of the two groups of fixed pillars; a perforating motor is arranged between two groups of movable V-shaped clamping blocks; two left and right groups of bi-directional screw rods are vertically inserted between the positions, close to the back ends, of the two groups of fixed pillars; two groups of matched semi-circular clamping covers are inserted into the middle parts of the two groups of bi-directional screw rods in a screw-thread fit way; a perforating drill bit is arranged between the two groups of semi-circular clamping covers; and two left and right groups of push-and-pull handles are arranged between the front ends of the two groups of U-shaped moving blocks. The device is suitable to be fixed onto a house type outer wall through the V-shaped fixed feet without shaking, so that the stability in perforating is ensured; and by adopting the movable V-shaped clamping blocks and the semi-circular clamping covers rotating synchronously, the central axes of the perforating motor and the perforating drill bit are always consistent to the circle center of a lamp hole without deviating.

The invention discloses a double-row deep groove ball bearing for an automobile steering device. The double-row deep groove ball bearing comprises an outer ring, two inner rings, steel balls and a retainer; each inner ring is provided with a one-row groove; the outer ring is provided with a double-row groove; the retainer is arranged between the two inner rings and the outer ring; the steel balls are arranged on the retainer, and are uniformly distributed between the outer ring and the inner rings; and the bearing is an open bearing. The double-row deep groove ball bearing for the automobile steering device improves the assembly precision, reduces the production cost, improves the axial and radial bearing capacity, reduces the axial and radial displacement, prevents the axial and radial oscillation, finally improves the flexibility, the safety and the comfort of a steering system, and realizes prolonging of the service life of the automobile steering system.

The present invention provides a steering system and a vehicle with the same. The steering system comprises a reverser including a first input shaft; a universal joint shaft connected with the first input shaft through a transmission structure; and a circulating ball steering gear comprising a second input shaft wherein the second input shaft is connected with the universal joint shaft, and the extension line of the axis of the universal joint shaft intersects with the extension line of the axis of the first input shaft and is collinear with the extension line of the axis of the second input shaft. The reverser is additionally arranged on the circulating ball steering gear, and the first input shaft of the reverser is in transition transmission connection with the second input shaft of thecirculating ball steering gear through the universal joint shaft, so that the direction of the steering input shaft is changed, and the horizontal arrangement and steering requirements are met; and the universal joint shaft is used to absorb the axial tolerance of installation of the reverser and the second input shaft of the circulating ball steering gear, so the smoothness of the steering process is ensured, the clamping stagnation phenomenon is avoided, and the performances of the steering system in the using process are ensured.