52results about How to "Limited location" patented technology

The invention provides a long-handled probe interventional ultrasonic puncture depth control device, and relates to the field of interventional ultrasonic instruments in medical instruments. The long-handled probe interventional ultrasonic puncture depth control device comprises a puncture needle guide device and a depth control device, the puncture needle guide device is provided with a puncture guide cylinder for guiding a puncture needle, a probe fixing wing connected with a long-handled ultrasonic probe is arranged below the puncture guide cylinder, a clamping device for fixing the position of the puncture needle is arranged on the depth control device, and a connecting device for connecting the depth control device with the puncture needle guide device is further arranged on the depth control device. By the aid of the puncture needle guide device and the depth control device, the position of the puncture needle in the puncture guide cylinder can be conveniently limited, the puncture needle is locked in the surgical operation process according to treatment requirements, and hands of a doctor are released to perform other diagnosis and treatment operation. The depth control device can be conveniently mounted and detached in the surgical process, and ultrasonic detection and puncture operation cannot be affected.

The invention discloses a multi-specification particle sieving synchronous packaging line and a sieving synchronous packaging method thereof. The packaging line comprises a multi-stage sieving deviceand automatic packaging equipment, wherein particles are classified by vibrating conveying and sieving mesh with at least two-stage mesh aperture increasing in sequence, and each kind of particle meeting the size standard is output from independent feeding lines; and the automatic packaging equipment at least comprises feeding speed doubling lines which are matched with the number of feeding linesand correspond to the feeding lines in an one-to-one mode, feeding speed doubling lines are movably provided with tool boards which can receive the particles output from the feeding lines, and feeding speed doubling lines are further provided with weighing stations which can measure the weight of the particles received by the tool boards in real time. The multi-specification particle sieving synchronous packaging line realizes the whole process automation of sieving, weighing and bagging with multi-specifications at the same time. The automation degree is high, and efficiency is greatly improved. The pollution of polycrystalline silicon particles in the process of manual operation and transferring is avoided, and the organic combination of efficiency improvement, polycrystalline silicon quality improvement and enterprise human resource cost reduction is effectively realized.

The invention discloses a lifting appliance for a cylinder. The lifting appliance comprises a lifting ring, a cross rod and a grabbing device. The lifting ring is arranged above the grabbing device through the cross rod, and a lifting point position is provided for lifting of the grabbing device. The lifting appliance is characterized in that the lifting appliance further comprises a clamping device; the grabbing device comprises a left pawl and a right pawl, and the left pawl and the right pawl are symmetrically arranged at the two ends of the clamping device; each pawl comprises a front pawl arm and a rear pawl arm, wherein the front pawl arm and the rear pawl arm are hinged to each other and are in a crossing shape, and the lower end of the front pawl arm and the lower end of the rear pawl arm are bent oppositely to form a clamping part; and the clamping device is used for adjusting the distance between the clamping parts in the front pawl arms and the rear pawl arms. The lifting appliance has the beneficial effects that the lifting appliance is simple, easy to operate and stable in lifting process, the quality problem caused by premature wear of a spindle cover is avoided through lifting under fixing of the pawls, and the lifting appliance can be suitable for multiple machine types.

The invention discloses a medical PVC aggregate collecting device, and belongs to the technical field of medical PVC aggregate manufacturing. The medical PVC aggregate collecting device comprises a receiving hopper, a movable guiding hopper, a suspension bracket, a bottom platform, an overturning oil cylinder, a weighing unit and a bag transferring mechanism, wherein the receiving hopper is used for receiving aggregates and is arranged obliquely; a connecting end of the movable guiding hopper can be mounted on the suspension bracket in an up-down rotating manner; a cylinder barrel of the overturning oil cylinder is hinged to the suspension bracket; a piston rod of the overturning oil cylinder is hinged to a free end of the movable guiding hopper; a containing cavity, a feeding opening and a pouring opening are formed in the movable guiding hopper; the movable guiding hopper is hinged to an opening and closing tongue plate which is used for opening and closing the pouring opening; a tongue plate opening and closing cylinder which can control opening and closing actions of the opening and closing tongue plate is further arranged on the movable guiding hopper; the weighing unit is used for monitoring the weights of bags; and the bag transferring mechanism is used for transferring full-loaded bags out. The full-loaded bags can be transferred automatically, and a temporary collecting barrel is not required when the bags are changed.

The invention relates to the technical field of unlocking of mobile digital equipment, in particular to an unlocking interface shortcut generation and display method. According to the method, a shortcut displayed on an unlocking interface of a user can be correspondingly adjusted along with changes of current time according to setting of the user, and accordingly, position resources of the unlocking interface are effectively used, and the problem that positions of the unlocking interface are limited is solved; meanwhile, the user can adjust the shortcut display mode of the unlocking interface in time according to habits of the user self, use experience of the user is improved, and by means of building of a function module structure, the method is completed by the fact that computer program commands control a computer system.

The invention discloses full-automatic particle secondary balance weight packaging equipment and a balance weight packaging method thereof. The equipment comprises tool plates capable of containing particles and circularly moving on a circular conveying line, a weighing device capable of obtaining the rough weight of the particles on the tool plates, a two-dimensional code or bar code or RFID tagfor storing rough weight data of the particles on each tool plate and / or rough weight and standard weight difference value, and a precision balance weight station obtaining the rough weight and / or therough weight and standard weight difference value through recognition of the two-dimensional code or bar code or RFID tag and supplementing the rough weight and standard weight difference value through powder. According to the scheme, circular movement of the tool plates is utilized, the weighing device is used for obtaining the rough weight of the particles on the tool plates and storing the rough weight to the two-dimensional code or bar code or RFID tag, rough weight information is obtained through recognition equipment, and accordingly powder can be accurately supplemented for reaching ofthe standard weight; and through two-time weighing and powder supplementing, rapid polycrystalline silicon particle weighing and uniform weight and precision guaranteeing are effectively achieved, and the automation degree is high.

The invention discloses a wind sensor testing device, comprising: a bracket; a horizontal rotating table mounted on the upper part of the bracket, wherein the horizontal rotating table is provided with a rotating seat capable of rotating around a vertical axis; an angle displacement platform mounted on the rotating seat, wherein the angle displacement platform is provided with a fixing seat capable of rotating around a horizontal axis; and a support rod, wherein the lower end of which is fixed to the fixing seat, and a wind sensor is mounted on an upper end of which. The wind sensor is mounted on the upper end of the support rod of the wind sensor testing device, the support rod can be used for adjusting the angle at a horizontal position via the horizontal rotating table and adjusting the angle at a vertical position via the angle displacement platform, therefore the wind sensor testing device disclosed by the invention can adjust the position of the wind sensor at multiple angles, the wind sensor testing device is mounted in a wind tunnel in use, and can test the wind sensor under non-horizontal wind conditions of various angles and various orientations.

The invention discloses a trash can clamping device, and belongs to the technical field of environmental sanitary equipment. The trash can clamping device comprises a support, and further comprises an overturn frame and an overturn air cylinder. A piston rod of the overturn air cylinder is hinged to the overturn frame. A cylinder barrel of the overturn air cylinder is hinged to the foot of the support. The overturn frame comprises a front baffle. Side baffles are arranged at the two ends of the front baffle respectively. A supporting table is arranged at the lower end of the clamping side of the front baffle and provided with a limiting plate used for hooking the can edge. The two side baffles are provided with can pressing mechanisms. The front baffle is provided with a compression driving mechanism. Each can pressing mechanism comprises a first rotating shaft, wherein the first rotating shaft is installed on the overturn frame in a rotatable manner, and the power input end of the first rotating shaft penetrates the front baffle and is located on the non-clamping side of the front baffle. The clamping section of each first rotating shaft is at least fixedly provided with two pressing blocks. When the trash can clamping device is used, the first rotating shafts are controlled by the compression driving mechanism to rotate to the compression position, and the pressing blocks press the opening end on the upper portion of a trash can; and accordingly, the clamping stability can be ensured, and the edge of the trash can further can be prevented from being damaged by clmaping.

The invention discloses a fish mouth-like anchor lip structure for ships, which comprises an upper anchor lip and a lower anchor lip with arc-shaped end faces, and the two ends of the upper anchor lip and the lower anchor lip are concave The curved surface transition forms the entire end face of the lip, and the through hole running through the upper mouth of the anchor lip and the lower mouth of the anchor lip is the anchor chain tube, and the inner surface of the upper mouth of the anchor lip is provided with a downward extending limit block. The upper mouth and the lower mouth of the anchor lip imitating the fish mouth type anchor lip of the present invention form the end surface of the anchor lip through the inner concave surface, so that the upper mouth and the lower mouth protrude outward, and when the anchor is finally attached to the anchor lip, the The contact area between the anchor lip, the anchor fluke and the anchor seat better limits the position of the anchor when it fits the anchor lip. The limit block set on the top of the anchor lip can effectively limit the upward movement of the anchor rod and anchor, preventing the anchor rod from being stuck. Anchor pulling and anchoring are affected inside the anchor chain barrel. While the anchor chain ring can be guided and pulled smoothly through the anchor chain groove, the position of the anchor in the process of fitting the anchor lip is relatively determined, reducing the impact caused by the shaking of the anchor relative to the anchor lip. Impact, improve the reliability and service life of the structure.

The invention provides a tri-cylinder self-adaption type anti-falling shock absorber, and belongs to the technical field of automobile accessories. The tri-cylinder self-adaption type anti-falling shock absorber comprises an oil storage cylinder, a work cylinder, a piston rod, a base, an outer cylinder and a guider. The work cylinder is arranged in the oil storage cylinder, the guider is fixed to the top end of the oil storage cylinder and the top end of the work cylinder, the base is fixed to the bottom end of the oil storage cylinder and the bottom end of the work cylinder, the oil storage cylinder is arranged in the outer cylinder, and a flowing hole communicated with the top end of the work cylinder and the top end of the outer cylinder is formed in the guider. A first check valve is arranged on the end portion of the inner end of the piston rod, a second check valve is arranged at the bottom end of the work cylinder, the one-way guiding direction of the first check valve is identical to that of the second check valve, a longitudinal inertial valve is arranged at the bottom end of the outer cylinder, a transverse inertial valve is arranged on the base, and the bottom end of the outer cylinder is communicated with the bottom end of the work cylinder and the bottom end of the oil storage cylinder through the longitudinal inertial valve and the transverse inertial valve. The tri-cylinder self-adaption type anti-falling shock absorber has the advantages of being good in heat radiating effect, improving the side falling resisting capacity and the nodding resisting capacity of the automobile and the like.

The invention discloses a steel bar bender for building construction. The steel bar bender comprises a base, a lock sleeve, a hydraulic cylinder and a piston rod. The base is sleeved with the lock sleeve, and the lock sleeve and the base are welded. The hydraulic cylinder is arranged in the lock sleeve, and the hydraulic cylinder and the lock sleeve are in clamping connection. The lock sleeve is provided with fastening screws, the piston rod is arranged in the hydraulic cylinder, a sliding block is arranged at the front end of the piston rod, and the front end of the sliding block is in an arc shape. Idler wheels are installed at the two ends of the base, and rotating shafts are arranged in the middle portions of the idler wheels and are welded to the base. The hydraulic cylinder is provided with hydraulic connectors and a handle. The steel bar bender for building construction is compact in structure, convenient to operate, high in structure stability and free of noise in use.

The invention relates to the technical field of equipment for tipping paper production, in particular to a gilding press for tipping paper. The gilding press comprises a rack. A disc coil roll and a gilding roll are mounted on the rack. A shaft head clamping groove for containing the gilding roll is formed in the rack. A shaft head is arranged on the side face of the gilding roll. The shaft head of the gilding roll is mounted in the shaft head clamping groove in a left-right sliding manner. A support is mounted on the rack. A nut seat is mounted on the support. A nut is arranged on the nut seat. A screw is mounted in the nut. The center line of the screw is parallel to the center line of the gilding roll. A hand wheel is arranged at the outer end of the screw. An adjusting disc is mounted at the inner end of the screw. A limiting clamping groove is formed in the end of the shaft head of the gilding roll and is matched with the periphery of the adjusting disc. The adjusting disc is a bearing. The gilding press for the tipping paper has the beneficial effects that the gilding roll can be adjusted left and right conveniently, the operation is convenient, and the precision is high.

The invention discloses a special conveyor for a degradable occluder. The special conveyor comprises a sheath pipe, a cap, a clamping device, a lock catch, a positioning rod, a pull rod outer pipe anda pull rod. The degradable occluder is arranged in the sheath pipe and is fixedly connected with the cap through compilation. The front part and the middle part of the lock catch penetrate through the degradable occlude from its tail part, the front part is provided with a clamping part suitable for clamping with the cap, and a rear part is arranged in the clamping device. The front side wall ofthe pull rod outer pipe is provided with a through hole. The front part of the pull rod is provided with a deformation part which penetrates out of the through hole at the front end of the pull rod outer pipe. By adopting the structural design, the position of the occluder in the conveying process can be limited, and the separation of the auxiliary occluder from the conveyor can be realized. The operation is convenient. By combining the transportation and locking functions of the degradable occlude, one product can realize two functions, so that the operation process is simple and convenient.

The invention relates to an apparatus for radiometrically investigating a plurality of samples, with: a radiation device providing a plurality of radiation elements, a radiation element comprising at least one emitter element, wherein the radiation device preferably provides at least two emitter elements which provide radiation with different radiation spectra, wherein at least two of said emitter elements are adapted to emit radiation during time periods which at least partially overlap, and a control device, controlling said radiation elements, a sample holder member providing a plurality of sample positions for supporting a plurality of samples, wherein preferably at least a part of the radiation device and the sample holder member are adapted to be moved against each other during the investigation procedure and wherein at least one radiation element is adapted to irradiate a sample with radiation via a first optical path which causes the sample to emit sample radiation with at least one sample radiation frequency via a second optical path towards at least one detection device, said at least one detection device being adapted to detect the sample radiation of at least two samples as a sum signal during time periods which at least partially overlap; and an evaluation device which is adapted to evaluate the sample radiation of at least one individual sample from said sum signal. The invention relates further to a method for photometrically investigating sample radiations of at least one sample, which are caused by the radiation of N emitter elements of at least one radiation element wherein said N emitter elements are emitting radiation during time periods which at least partially overlap, to detect the sample radiation of at least two samples as a sum signal during time periods which at least partially overlap and to evaluate the sample radiation of at least one individual sample from said sum signal.

The invention relates to a storage box for surveying and mapping benchmarks, which belongs to the field of surveying and mapping tools. The purpose is not to limit the number of benchmarks, but to limit the benchmarks. Including hinged box body and box cover; bottom support block, several middle support blocks and top support block against the box cover arranged in sequence from bottom to top; one end is fixed to the bottom of the box; bottom support block, middle support block and top support block The support block is inserted on the latch; a row of circular through holes is provided at the joint surface between the bottom support block, the middle support block and the top support block; In the vertical direction, the length of the pole is the same; it includes baffles equal in number to a row of semicircular bottom slots; one end of the pole is against the side wall of the box, the other end is against the baffle, and the bolt is threadedly connected with the nut. And the nut leans against the top support block. The surveying and mapping pole placement box limits the position of the poles without being limited by the number of poles, and prevents the poles from moving toward the box cover or the bottom of the box.

The embodiment of the invention provides a normal delivery dirt storage bag, which belongs to the technical field of normal delivery delivery, and acts on a puerpera lying on a delivery bed in a lithotomy position posture. The normal delivery dirt storage bag comprises leg sleeves, an accommodating bag and two sets of extension connecting parts, wherein the accommodating bag comprises a bag body, the bag main body is arranged between two legs of the puerpera, an accommodating space is formed in the bag body, and dirt can be accommodated in the accommodating space; a delivery port relative to the lower body of the puerpera is formed in the middle upper part of the accommodating space; the two sets of extension connecting parts are arranged on the left side and the right side of the bag body correspondingly; and one end of each extension connecting part is connected with the bag body, the other end of each extension connecting part is connected with the corresponding leg sleeve, and the bag body is maintained at a certain height through the extension connecting parts. The normal delivery dirt storage bag has the technical effects that the accommodating capacity of discharged dirt is enhanced, and the workload of nursing staff is reduced.

The invention discloses a finished product packaging device for the production of polyaluminum chloride and a working method thereof, comprising a base plate 1 and a base plate 2, a splint 1 is fixedly installed on the upper end of the base plate 1 close to the rear end, and the upper end of the splint 1 is positioned close to both sides. A movable groove is provided, and a movable block is inserted inside the movable groove, the upper end of the movable block is provided with a second splint, the upper end of the first splint is provided with several groups of grooves, and the lower end of the second splint is provided with several groups of protrusions, A horizontal plate is fixedly installed near the edges of both sides of the bottom plate, and a long groove is opened at the right end of the horizontal plate, and a baffle plate is inserted inside the long groove, and the left side of the horizontal plate near both ends runs through There is a slot hole, and a screw is inserted inside the slot hole; the present invention can limit the position of the packaging bag filled with finished products, prevent the packaging bag from moving during the sealing process, and thus seal the packaging bag well and facilitate the work Personnel transport the packaged finished product.

The invention provides an arc extinguishing structure of a miniature circuit breaker. The arc extinguishing structure comprises a shell, and a static contact, two flash barriers, an arc striking piece and an arc extinguishing chamber which are arranged in the shell, wherein the two flash barriers are respectively arranged at two sides of the static contact, the arc striking piece is suitable for guiding an electric arc to the arc extinguishing chamber, and a limiting structure suitable for limiting the positions of the flash barriers is arranged between the arc striking piece and the flash barriers. Therefore, the relative positions of the two flash barriers are limited, so that the distance between the two flash barriers is kept at the preset optimal distance, the stability of airflow is improved, and the reliability of arc extinguishing is improved.

The invention provides a tibial prosthesis holder. The tibial prosthesis holder comprises a holding seat, a middle shaft, a driving nut, a holding arm and a supporting rod, wherein the holding seat is provided with a hollow inner cavity, and the middle shaft is movably inserted into the hollow inner cavity to realize installation; the driving nut is mounted on the holding seat, is used for driving the middle shaft to move up and down relative to the holding seat, and can limit the position of the middle shaft when driving the middle shaft to reach a target position; the holding arm is rotatably mounted on the holding seat, and the end part of the holding arm is provided with a holding end suitable for being matched and connected with a tibial prosthesis; and one end of the supporting rod is rotatably mounted on the middle shaft, the other end of the supporting rod is rotatably mounted on the holding arm, and when the middle shaft moves up and down, the supporting rod moves up and down along with the middle shaft to drive the holding arm to open or retract inwards, so that the holding end is controlled to be separated from or combined with the tibial prosthesis. According to the tibial prosthesis holder, the tibial prosthesis can be taken out rapidly, and therefore the operation efficiency can be improved.

The invention relates to the technical field of ball valves, in particular to an integrated jacket ball valve. The integrated jacket ball valve is used for solving the problems that in the prior art, an integrated jacket type ball valve is poor in end cover sealing effect and large in end cover assembling difficulty. The integrated jacket ball valve comprises a valve body, an end cover and a valve ball are installed in the valve body, a sealing pressing ring and a supporting ring are further installed in the valve body, a valve seat is installed in the supporting ring, and a sealing piece is installed between the supporting ring and the sealing pressing ring; and a clamping groove is formed in the valve body, an outer ring is integrally formed on the outer surface of the end cover, the outer ring can be clamped into the clamping groove, a plurality of fastening holes are evenly formed in the end cover, and fasteners capable of making contact with the sealing pressing ring are installed in the fastening holes. The end cover is clamped in the clamping groove through the outer ring, so that the end cover can be installed, and the end cover is easier to install; and the pressing degree of the sealing piece can be adjusted by adjusting the fastening piece, so that the sealing effect of the end cover is better.

The invention discloses a finished product packaging device for polyaluminum chloride production and a working method. The finished product packaging device comprises a first bottom plate and a secondbottom plate; a first clamping plate is fixedly installed at the position, close to the rear end, of the upper end of the first bottom plate, movable grooves are formed in the positions, close to thetwo sides, of the upper end of the first clamping plate, and movable blocks are inserted into the movable grooves; a second clamping plate is arranged at the upper ends of the movable blocks, a plurality of sets of grooves are formed in the upper end of the first clamping plate, and a plurality of sets of protruding blocks are arranged at the lower end of the second clamping plate; transverse plates are fixedly installed at the positions, close to the edges of the two sides, of the first bottom plate, long grooves are formed in the right ends of the transverse plates, and baffles are insertedinto the long grooves; and groove holes are formed in the positions, close to the two ends, of the left side face of each transverse plate in a penetrating mode, and screw rods are inserted into thegroove holes. According to the finished product packaging device, the position of a packaging bag filled with finished products can be limited, the packaging bag is prevented from moving in the sealing process, therefore the packaging bag is well sealed, and workers can conveniently convey the sealed finished products.

The invention discloses a medical PVC aggregate collecting device, and belongs to the technical field of medical PVC aggregate manufacturing. The medical PVC aggregate collecting device comprises a receiving hopper, a movable guiding hopper, a suspension bracket, a bottom platform, an overturning oil cylinder, a weighing unit and a bag transferring mechanism, wherein the receiving hopper is used for receiving aggregates and is arranged obliquely; a connecting end of the movable guiding hopper can be mounted on the suspension bracket in an up-down rotating manner; a cylinder barrel of the overturning oil cylinder is hinged to the suspension bracket; a piston rod of the overturning oil cylinder is hinged to a free end of the movable guiding hopper; a containing cavity, a feeding opening and a pouring opening are formed in the movable guiding hopper; the movable guiding hopper is hinged to an opening and closing tongue plate which is used for opening and closing the pouring opening; a tongue plate opening and closing cylinder which can control opening and closing actions of the opening and closing tongue plate is further arranged on the movable guiding hopper; the weighing unit is used for monitoring the weights of bags; and the bag transferring mechanism is used for transferring full-loaded bags out. The full-loaded bags can be transferred automatically, and a temporary collecting barrel is not required when the bags are changed.

The invention discloses a sewing machine for gathering operation. The sewing machine comprises a processing table, a pressing unit, a gathering unit, a sewing device and a thread wheel frame, whereinthe sewing device is arranged on the right side of the top end of the processing table; the thread wheel frame is arranged at the top end of the sewing device; a storage unit is arranged at the bottomend of the processing table; a fixing unit is arranged on the rear side of the top end of the thread wheel frame; a limiting unit is arranged on the rear side of the top end of the processing table;adjusting units are arranged on the left side and the right side of the bottom end of the processing table; the pressing unit comprises a rubber roller, a connecting plate, a main motor, an insertingblock, a supporting block, an electric telescopic rod and a linear motor; the linear motor is arranged on the left side face of the processing table; the electric telescopic rod is arranged at the topend of a rotor base of the linear motor; the supporting block is arranged at the top end of the electric telescopic rod; and an inserting groove in the top end of the supporting block is inserted with the inserting block. The sewing machine for the gathering operation is easy to use, convenient to adjust, high in practicability and high in working efficiency.

The invention provides semiconductor refrigerating equipment which comprises a shell, heat conducting liners and semiconductor refrigerating assemblies. Each semiconductor refrigerating assembly comprises a semiconductor refrigerating module, a cold-end heat radiator and a hot-end heat radiator, wherein the hot-end heat radiator is connected to the hot end of the semiconductor refrigerating module. Each cold-end heat radiator comprises a heat conductor and a plurality of heat pipes, wherein the heat pipes are connected to the heat conductor. Each heat conductor is connected to the cold end of the corresponding semiconductor refrigerating module. The heat pipes bend and extend to be attached to the heat conducting liners. Positioning pieces are arranged on the bent portions of the heat pipes. The positioning pieces are fixed to the heat conducting liners. The heat conducting liners are located in the shell. The space between the shell and the heat conducting liners is filled with a foaming layer. The heat pipes and the positioning pieces are embedded in the foaming layer. The bent heat pipes are positioned through the positioning pieces, and therefore the heat pipes can be installed on and fixed to the heat conducting liners firmly and reliably. The positions of the heat pipes can be effectively limited through the positioning pieces in the foaming process, the effect that the accurate positions of the heat pipes remain unchanged after foaming is finished is guaranteed, and thus the assembling reliability is improved.

An automatic locking shoe dewatering device is characterized by being at least composed of two shoe baskets, two telescopic supporting devices and a locking device, each shoe basket is a caged body with an opening in the upper portion, each telescopic supporting device is composed of a rack provided with a ratchet and a sleeve arranged outside the rack in a sleeving mode, one end of each sleeve and one end of the corresponding rack are each connected with one shoe basket, the two sides of the shoe baskets are each provided with one telescopic supporting device, the locking device is movably connected with the sleeves, one end of the locking device is provided with a locking pin, the locking pin is arranged between the ratchets of the racks, and an elastic element is installed between the locking device and each sleeve. By means of the automatic locking shoe dewatering device, shoes can be more rapidly dried after being cleaned; the automatic locking shoe dewatering device is convenient to use, low in cost and easy to promote and popularize.

The thin-wall normal-section robot bearing comprises an inner ring and an outer ring which are coaxially arranged in a sleeved mode, the outer wall of the inner ring and the inner wall of the outer ring are each provided with a roller path used for rolling of a ball, each roller path comprises a radial perpendicular bisector, and a contact part making contact with the ball is arranged between each roller path and the ball. The contact parts are symmetrically arranged on the two sides of the perpendicular bisector, the included angle between the normal of each contact part and the perpendicular bisector is a contact angle, and the contact angle is larger than 30 degrees. The outer wall of the inner ring and the inner wall of the outer ring are respectively provided with the raceways for rolling of the balls, the contact parts of the raceways and the balls are symmetrically arranged on the two sides of the perpendicular bisector, and the contact angle is set to be larger than 30 degrees, so that the bearing capacity of the axial overturning moment of the bearing can be improved.