32results about How to "Circumferential force uniform" patented technology

The invention discloses a digital reversing valve driven by a servo motor, and relates to the technical field of hydraulic and pneumatic transmission control valves. The problems of vibration, flow pulsation and uneven stress of a valve element of an existing digital reversing valve driven by a servo motor are solved, the valve element is sleeved with a valve body, the valve body is an O-shaped meso-position function three-position four-way valve body, and when the valve element is located at the meso-position of the valve body, the valve element is driven by the servo motor to rotate. A working cavity A, a working cavity B, an oil inlet P and an oil return opening T of the O-shaped meso-position function three-position four-way valve body are not communicated with one another, a servo motor rotates to drive a threaded sleeve to rotate, the threaded sleeve rotates to drive a threaded connecting rod to move leftwards or rightwards in the axial direction, when a valve element moves rightwards, the working cavity A of the O-shaped meso-position function three-position four-way valve body is communicated with the oil return opening T, the working cavity B is communicated with the oil inlet P, and the working cavity A is communicated with the oil return opening T; the working cavity B works; when the valve element moves leftwards, the working cavity A is communicated with the oil inlet P, the working cavity B is communicated with the oil return opening T, and the working cavity A works. The reversing valve is suitable for oil reversing.

The invention provides a spin-drying and infiltrating device for a battery core of a cylindrical battery. The spin-drying and infiltrating device is provided with a liquid collecting cylinder, an injection pipe and a roll core rotating device, wherein a battery core is arranged in the liquid collecting cylinder, the roll core of the battery core is connected with the roll core connecting part of the roll core rotating device, the driving connecting part of the roll core rotating device is directly or indirectly connected with the rotating shaft of a motor, and the injection pipe can extend into the hollow part of the roll core. When the rotating shaft of the motor drives the roll core rotating device to rotate, the whole battery core is driven to rotate, and under the action of centrifugalforce, a liquid in the winding part of the battery core can be thrown out or a liquid continuously injected into the roll core fully infiltrates the whole battery core. The invention also provides aspin-drying and infiltration method of the battery core of the cylindrical battery. Through the spin-drying and infiltrating device and the spin-drying and infiltrating method, the whole battery corecan be spin-dried and infiltrated, so that the production efficiency is improved, the spin-drying and infiltrating effects are guaranteed, and the energy consumption can be reduced.

The present invention provides a pressing block assembly, a door assembly and a clothes processing device. The pressing block assembly includes: a connecting piece; ; The fixing piece, one of the fixing piece and the connecting piece is provided with a through hole for the threaded fastener to pass through, and the other is a rigid component and is provided with a threaded hole corresponding to the through hole, and the through hole and the threaded hole are used for connecting with the through hole. The connecting holes on the inner ring of the door cooperate, so that the pressing block assembly is fixedly connected with the inner ring of the door through threaded fasteners. The pressing block assembly provided by the present invention can press the door glass onto the inner ring of the door, and realize the fixed connection between the pressing block assembly and the inner ring of the door by screwing common threaded fasteners and rigid parts. The connection method between the self-tapping screw and the plastic part significantly improves the connection strength, thereby reducing the risk of the door glass coming loose. Simultaneously, the briquetting block assembly has small structure and low cost, and is suitable for popularization.

The invention provides a spin-drying and soaking device for electric cores of cylindrical batteries, which is provided with a liquid collecting cylinder, an injection pipe and a winding core rotating device. The battery core is placed in the liquid collection cylinder, the winding core of the battery core is connected to the winding core connection part of the winding core rotating device, and the driving connection part of the winding core rotating device is directly or indirectly connected to the rotating shaft of the motor, and the injection pipe can be extended into the In the hollow part of the core. When the rotating shaft of the motor drives the winding core rotating device to rotate, it drives the entire battery core to rotate. Under the action of centrifugal force, the liquid in the winding part of the battery core can be thrown out or the liquid continuously injected into the winding core can fully soak the entire battery core. In addition, the invention also provides a drying and soaking method for the battery core of the cylindrical battery. Through the drying and soaking device and the drying and soaking method of the present invention, the whole battery cell can be dried and soaked, which is beneficial to improve production efficiency, ensure drying and soaking effects and save energy consumption.

The invention discloses a connecting structure of a main shaft and a rotor and an integrated rolling rotor compressor and belongs to the technical field of compressors. The connecting structure of a main shaft and a rotor comprises the rotor and the main shaft; a circumferential fixing part in concave-convex match with the inner circle wall of the rotor is arranged on the circumferential wall of the main shaft; and an axial fixing component for fixing the rotor in the axial direction is arranged on the end face of the main shaft, so that the main shaft and the rotor are fastened both in the circumferential direction and the axial direction to prevent mutual separation due to relative movement of the rotor and the main shaft in the axial direction during the rotating process of the main shaft and the rotor.

The invention discloses a gripping device for conveying wafer carrying discs of chemical vapor deposition equipment. The gripping device mainly comprises a base, a guide rod, a rotation arm and a mechanical arm. According to the gripping device for conveying the wafer carrying discs, the circumferential stress of the wafer carrying discs is more uniform in the manner that the wafer carrying discs are evenly hoisted in the circumferential direction, stable conveying of the wafer carrying discs and wafers in the wafer carrying discs is guaranteed, and in addition, by means of reverse application of a swinging guide rod mechanism, the gripping and placing actions of the mechanical arm are achieved. The structure is simple and reliable, operation is more stable and safer compared with manual operation, and the production efficiency is improved.

The invention relates to the field of sea water pumps, in particular to a radial multi-row vertical piston pump. The radial multi-row vertical piston pump comprises a stator 1, a rotor 2, a pluralityof piston 3 and a flow distribution shaft 4, wherein the stator 1 is of a cylindrical cavity structure with end covers arranged on the upper part and the lower part; the cross section of a cavity of the stator 1 is oval; the flow distribution shaft 4 is arranged in the stator 1, and the flow distribution shaft 4 is coaxial with the stator 1; the rotor 2 capable of rotating is arranged between theflow distribution shaft 4 and the cavity of the stator 1 in a sleeving mode; the upper end of the rotor 2 passes through a ball pair 6 and a transmission shaft 7 to be connected with a motor; the rotor 2 is vertically provided with a plurality of groups of plug groove groups, each plug groove group consists of a plurality of plug grooves in a circular array mode, and each plug groove is internallyprovided with a piston 3; the extending end of each piston 3 is attached to the cavity wall of the stator 1 through external force; and the two ends of the bottom of the stator 1 are separately provided with a water inlet 10 and a water outlet 11.

The invention discloses a crank throw positioning clamp. The crank throw positioning clamp is characterized by comprising a positioning plate, an ejection rod, a taper sleeve, a spring clamping sleeve and a pair of positioning rotary arms. The positioning plate is provided with a first positioning hole and a second positioning hole in parallel; the taper sleeve is installed in the first positioning hole; the ejection rod is installed in the second positioning hole; the spring clamping sleeve is installed in the taper sleeve, and the outer taper face of the spring clamping sleeve is matched with an inner taper hole of the taper sleeve; a stopping ring is arranged on the outer side of the spring clamping sleeve; the positioning rotary arms are symmetrically arranged along the center connecting line of the first positioning hole and the second positioning hole, and the middle portions of the positioning rotary arms are both hinged to the outer side face of the positioning plate; the outer end of the ejection rod is provided with a taper part, a gap exists between the first ends of the pair of positioning rotary arms, and the second ends of the pair of positioning rotary arms are located on the two sides of the spring clamping sleeve. By means of the crank throw positioning clamp, accurate positioning can be achieved, and eccentricity is not prone to occurrence.

The invention discloses a crawler-type segment secondary lining equipment, which includes a main body frame, a steel support frame similar to the segment section is arranged at the front end of the main body frame, and a plurality of squeezing frames are evenly distributed on the support frame. Oil cylinder, the squeeze oil cylinder corresponds to the lining segment, a segment assembly machine is arranged on the main body frame, a walking crawler type walking chassis is arranged under the main body frame, and the segment assembly machine is located on the main body frame A plurality of locking devices are arranged at the rear, and the locking devices are used to lock the entire equipment during segment assembly and unlock when the entire equipment is walking. During the propulsion process of the present invention, as the squeeze cylinder advances against the segment, the caterpillar moves synchronously, and can provide the reaction force required for the squeeze cylinder to tighten the segment, ensuring the force acting on the segment during the advance process. Keep it large enough and stable, and the locking between equipment segments adopts self-anchor locking and squeeze oil cylinders to work together, which further ensures the quality of segment lining.

The invention provides a liquid injection and liquid replacement device for a cylindrical battery, which is provided with an injection and discharge device and a battery rotation device. The battery rotating device can be connected and fixed with at least a part of the cylindrical battery, and the battery rotating device can be connected with the rotating shaft of the motor, so that the motor drives the battery rotating device to rotate and then drives the cylindrical battery to rotate. The drainage device includes a rotating part that rotates together with the cylindrical battery and a fixed part for docking with the external fluid storage device / fluid recovery device. The fixed part is sleeved on the rotating part and communicated with the internal fluid, so that the cylindrical battery rotates while enabling fluid communication with an external stationary fluid storage / fluid recovery device. Under the action of centrifugal force, the liquid injected into the cylindrical battery can fully soak the entire cell, or the liquid in the cell in the cylindrical battery can be thrown out and new liquid can be continuously injected to quickly replace the original liquid .

The invention provides a flange sealing structure suitable for a high temperature and large heat flow environment and an installation method thereof, which solves the problems of inconvenient maintenance, high production and maintenance costs, and difficult reuse after damage of the existing integrated high temperature and large heat flow equipment. The sealing structure includes two inner cylinders, and matching groove flanges and tenon flanges; the groove and the tenon respectively separate the butt end faces of the two flanges into an inner end face and an outer end face; the two inner cylinders are welded on the two flanges respectively. On the inner side of each flange, there is a gap between the two inner cylinders and the two flanges, the end faces of the two inner cylinders are flush with the inner end faces of the two flanges respectively, and the wall surfaces of the two inner cylinders are flush or formed Steps along the airflow direction; gaskets are arranged in the groove, inorganic high temperature glue is arranged between the inner end faces of the two flanges and between the butt end faces of the two inner cylinders; An anti-adhesive layer that is easy to vaporize at high temperature is provided, and the thickness is not more than 0.1mm; the outer sides of the two flanges are fastened by fasteners.

The invention discloses a synchronous self-centering lifting linear cutting type banana combing device, which comprises a frame, a lifting mechanism, a synchronous self-centering variable diameter mechanism and a cutting tool set; the lifting mechanism is installed on the frame, and It can move up and down under the drive of its lifting power source; the synchronous self-centering diameter-reducing mechanism is installed on the lifting mechanism and can move up and down synchronously with the lifting mechanism, and the synchronous self-centering diameter-reducing mechanism can Driven by the source, it is unfolded or folded; the cutting tool is assembled on the synchronous self-centering diameter-reducing mechanism, and can be unfolded or retracted synchronously with the synchronous self-centering diameter-reducing mechanism, so as to adapt to the change of the diameter of the banana fruit cob. The invention can effectively solve the problems of low combing efficiency of continuous combing in the combing operation process of bananas, easy damage of banana combs in the combing cutting process, poor adaptability to banana cobs, and easy omission of comb handles during combing cutting.

The invention relates to a crushing device, and particularly discloses a pair roller crushing machine. The pair roller crushing machine is provided with a driving roller assembly and a driven roller assembly, wherein when too hard materials pass through a position between the driving roller assembly and the driven roller assembly, the driven roller assembly can realize the active avoiding. A sievescreen is arranged under the driving roller assembly and the driven roller assembly; the sieve screen is driven to swing by a crank rocker mechanism; a material pushing plate is arranged on the sievescreen and is driven by an air cylinder; gas is supplied to the air cylinder by a gas generating mechanism; the material pushing plate is driven to do clearance reciprocating movement, so that wastematerials on the sieve screen can be discharged. Through the sieve screen arranged under the driving roller assembly and the driven roller assembly, after the retreating avoidance of the driven roller, uncrushed raw materials can be mixed into the crushed raw materials; through the sieve screen, unqualified waste materials are screened out.

The invention discloses a construction method for internally piercing steel pipes for pipe jacking in water diversion projects, which comprises the following steps: (a) construction preparation; (b) placing the first steel pipe in place; (c) positioning the first steel pipe; (d) step by step Root piercing tube. The invention has low construction difficulty, high efficiency, flexible application, orderly step-by-step, convenient control, guaranteed construction quality, convenient steel pipe advancement, low equipment investment cost, firm connection of the front and rear steel pipes, stable structure, strong sealing performance, and long service life long.

The invention relates to the field of mechanical fixtures, and discloses a circular plastic impeller fixture. The circular plastic impeller fixture comprises a linear guide rail, and a clamping module slidingly arranged on the linear guide rail; the clamping module includes two sets of opposite clamping parts; a clamping station is formed between the two sets of clamping parts; two clamping arms are arranged on the clamping parts; clamping end surfaces of the two clamping arms are perpendicular; two adjacent clamping end surfaces on the two sets of clamping parts are also perpendicular; the two sets of clamping parts are linked, and can make mirror image movement along a linkage axis surface; the linkage axis surface is a plane passing through a linkage axis point and being perpendicular to the direction of the linear guide rail; and the linkage axis point is a center point of the moving direction of the two sets of clamping parts. The impeller fixture clamps workpieces or products through two sets of clamping parts linked on the same linear rail; and the two sets of clamping parts are consistent in working frequency, so that the clamping station accuracy is guaranteed, and the product machining quality is guaranteed.

The invention discloses a robot for repairing the inner wall of a pipeline, which relates to the technical field of pipeline maintenance. The key points of the technical solution are: a main body of a supporting frame for repairing a pipeline, a driving device for a repairer, and an operation control device. The main body of the supporting frame for repairing a pipeline includes a main support The main support frame is a cylindrical frame, the repair device is installed on the main support frame, and the pipeline positioning camera is installed on the front end of the main support frame; the main support frame is also provided with a cleaning component, which includes the front end of the main support frame. The mounting frame on the upper part and the cleaning air bag arranged on the side of the mounting frame away from the main support frame are connected with an air intake pipe, which is used to connect to the air source so that the cleaning air bag expands and fits the inner wall of the pipe for cleaning. The cleaning component can clean the inner wall of the pipe before repairing, and at the same time, it can also form the effect of blocking and isolating, so that the hot-melt light-curing adhesive of the colloidal adsorption layer can be more firmly bonded to the inner wall of the pipe, making the repairing effect of the pipe better.