57results about How to "Guarantee Oriented" patented technology

The invention relates to the field of gauze production and machining devices, and specifically relates to a temporary winding device with a cleaning function and used for gauze production and machining. The temporary winding device with the cleaning function and used for gauze production and machining comprises a bottom plate, a winding structure, a fixed plate, a compression structure, a flatly-laying structure, a guide structure, a cleaning structure and a side plate. The winding structure is capable of synchronously driving the cleaning structure to work during working, so that a better cleaning effect of the cleaning structure can be achieved; two oppositely-arranged brush plates are fixed into a cleaning sleeve, and cleaning working can be carried out on a gauze being wound, so that impurities on the surface of the gauze can be cleaned, and then the cleanliness of the wound gauze can be ensured; gas blowing holes communicate with the interior of a gas storage groove separately, and therefore, gas in the gas storage groove is blown out via the gas blowing holes, so that ash blowing cleaning working can be carried out before the gauze enters the two brush plates, and then the cleanliness of the wound gauze can be ensured.

The invention discloses a modular low-pressure cutting type gas explosion valve. The modular low-pressure cutting type gas explosion valve comprises a storage tank 7, a filter screen and a shell, wherein the storage tank 7, the filter screen and the shell are connected together through connection screws, and the storage tank 7 is provided with an O-shaped ring V; a guide sleeve with an O-shaped ring III is arranged in the shell; a piston with a stop ring and an O-shaped ring II and a cutter with double O-shaped rings I are arranged in the guide sleeve; a membrane with an O-shaped ring IV is installed in the storage tank; the cutter is fixed on the membrane through a limiting lug; and the membrane is free of indentations and uniform in thickness. By adopting the membrane free of indentations and uniform in thickness, the aim of long-term reliable sealing of propellant prepackaging before a power system runs is achieved; and as gas of 2 MPa is adopted to replace an electric detonator asthe driving force and the storage tank module can be reused at the same time, only the gas explosion valve needs to be replaced, the product cost is greatly reduced, and electric resources are saved for the system.

The invention discloses a novel linear rolling and sliding composite guide rail pair, comprising a guide rail and a sliding block fit with each other, wherein the guide rail is trapeziform, two side faces of the trapeziform guide rail are guiding faces, the upper surface of the trapeziform guide rail is a bearing surface, the bottom of the sliding block is provided with a trapeziform groove fit with the trapeziform guide rail, the two side faces of the trapeziform groove are respectively provided with at least one row of cylindrical rollers along the length direction, a guide rail soft strip is arranged between the upper surface of the trapeziform groove of the sliding block and the bearing surface of the trapeziform guide rail along the length direction of the guide rail. The novel linear rolling and sliding composite guide rail pair integrates the advantages of a rolling guide rail and a sliding guide rail, ensures the guiding and positioning accuracies of the motion guide rail and the bearing capacity of the guide rail and simultaneously reduces motion resistance reasonably in the case of loading heavily and cutting heavily, promotes sensitivity, rigidity and vibration resistance of the motion guide rail, improves machining efficiency and prolongs the service life of the guide rail.

The invention discloses a heavy truck lifting air suspension system. The heavy truck lifting air suspension system comprises three part, which are a guiding part, a bearing part and a lifting part, wherein the guiding part comprises a guiding bracket, a lower push force rod, an upper push force rod and a crossbeam; the bearing part comprises a lifting axle, a bearing air spring assembly, a locating bracket and a vibration absorber; and the lifting part comprises a lifting air spring, a lifting bracket and a fixed bracket. According to the scheme, as the air lifting spring is connected with the lifting axle through adoption of the locating bracket and the top of the air lifting spring is fixed on the locating bracket, a suspension is lifted through inflating the air lifting spring; as the bottom of the locating bracket is connected with the lower push force rod, the suspension is guided so that the operation direction of the lifting axle is ensured; and meanwhile, as the bearing air spring for bearing body load is also fixed on the locating bracket, guiding, bearing and lifting are combined through adoption of the locating bracket so as to ensure the realization of system functions. The heavy truck lifting air suspension system disclosed by the invention has the advantages of simple structure and high reliability.

The invention discloses a rotary steerable system and a rotary steerable executor for drilling, which are used for solving the problems that the numbers of hydraulic cylinders and pistons are limited and the steering is not easy to control in the conventional rotary steerable tool. The rotary steerable system of the invention comprises at least three rotary steerable executors fixedly arranged ina drill collar (1); and the at least three rotary steerable executors are distributed in the circumferential direction from the top to bottom. The rotary steerable executor of invention comprises a hydraulic executing module, a lead wire seal module, and an electromagnetic valve module used for controlling a fluid to enter and exit a piston cavity (27); the lead wire seal module is fixed on a sealing cover (19) and comprises a connecting plug (24); and a lead wire is connected with the electromagnetic valve module through the connecting plug (24) in a sealing mode. The rotary steerable systemand the rotary steerable executor for drilling can perform all-around continuous precise automatic control on a wellbore trajectory safely and reliably, and has no influence on accuracy indexing caused by mud property.

The invention relates to a calcium carbide conveying line and a conveying track thereof. The calcium carbide conveying line comprises a conveying track and a calcium carbide trolley; the conveying track comprises an upper layer supporting track used for supporting the calcium carbide trolley; the calcium carbide conveying line further comprises a lower layer hanging track used for hanging the calcium carbide trolley; the upper layer supporting track is provided with an upper track bent section which is smoothly bent downwards; the lower layer hanging track is provided with a lower track bent section which is positioned on the external side of the radial direction of an inwardly bent section and smoothly bent upwards; and a space adaptive to a wheel of the calcium carbide trolley is formedbetween the upper layer supporting track and the lower layer hanging track. By using the calcium carbide conveying line and the conveying track thereof, the calcium carbide trolley can directly turn over downwards without arranging a bearing device to be longer along the conveying track and arranging the bearing device to be wider; and therefore, the cost can be reduced; and meanwhile, as the conveying track does not need to bear rollover moments of the left and right sides of the extending direction, requirements on structural stability and rigidity of the conveying track can be reduced so that the cost can be further reduced.

In a bearing assembly of a centrifugal revolving drum (1) around a spin axis (6), the revolving drum (1) is fixed by rotation through a drum hub (2) and a hanger bracket (21) of the revolving drum (1) and connected with a drive shaft (3). The drive shaft is connected with a drive set (12) and extends along the spin axis (6) in the bearing block (4, 7, 8, 9, 20, 24). The revolving drum (1) is supported on the bearing block (4, 7, 8, 9, 20, 24), thereby basically separating supporting force generated by power from the drive shaft (3).

The invention particularly relates to a hollow divergent type electrochemical reaction chamber, and solves the problems that the existing electrochemical reaction chamber is poor in electromagnetic field distribution uniformity, uneven in water flow distribution and large in scale layer resistance and the current working efficiency is affected. The hollow divergent type electrochemical reaction chamber comprises a cylindrical box body of which the cylindrical surface is an inner cathode plate, wherein an outer cathode plate is arranged on the outermost side of the cylindrical box body, and anelectrode plate is arranged between the inner cathode plate and the outer cathode plate; a driving mechanism which comprises an annular mounting plate and a stand column arranged below the annular mounting plate, wherein fixed gear rings are arranged above the inner cathode plate, the outer cathode plate and the electrode plate, a rotating shaft and a gear ring rod are connected to the output shaft of the gear motor, and a rotating gear ring is arranged on the gear ring rod; a water inlet and outlet mechanism which comprises a conical drainage cover, wherein a water inlet pipe is arranged on the side wall of the conical drainage cover; and a descaling mechanism which comprises a brush rod provided with brushes, wherein the upper end and the lower end of the brush rod are each provided witha guide wheel and a gear at the upper end. The uniformity of water flow velocity in the reaction chamber is realized and the uniformity of the electromagnetic field in the reaction chamber is improved.

The invention relates to the technical field of welding devices, in particular to an auxiliary welding device, welding equipment and a welding method. According to the auxiliary welding device, a guide support assembly is connected with a synchronous beam, and two sets of flange pressing components are arranged symmetrically on both sides of the guide support assembly and are separately connectedwith the synchronous beam so that welding channels can be formed on the inner and/or outer sides of the two sets of flange pressing components to ensure that each welding energy beam can move synchronously in the corresponding welding channel and form symmetrical welds on each flange when the plurality of welding energy beams are emitted in simultaneously. The auxiliary welding device can achievesimultaneous welding of both flanges of components by one-time running. The welding seams obtained by the welding equipment of the auxiliary device are symmetrical, beautiful compared with the prior art, and the flange welding deformation is small, so that the auxiliary welding device improves the welding efficiency and welding quality significantly.

The invention relates to an expanding device for combining a liquid species and a particulate solid species, which includes a vessel 200 in which a stirrer 800 having paddles that rotate about a shaft 810 is arranged, the stirrer being optionally provided with a flow guide tube 210, wherein the vessel 200 also includes a static obstacle 830 that is generally centred around said shaft and aligned with the stirrer, characterised in that the static obstacle 830 has, in a plane passing through the shaft, an outer transverse dimension that increases as it moves away from the stirrer 800 parallel to said shaft 810, having a constant or increasing slope relative to said shaft.

The invention concerns an adjusting unit for automotive applications, in particular motor vehicle door closures or locking systems (1). The adjusting unit is provided with a housing (3); a drive (2) disposed in the housing (3), in particular a worm gear,; an actuator which can be acted upon by the drive; and at least one sliding bearing (11) for accommodating a bearing point (10) of the drive (2), in particular a worm (6) of the worm gear. According to the adjusting unit, the adjusting unit comprises at least one sliding bearing (11) which is provided in sections with an elastomer covering (12).

The invention discloses a beating machine for paper production, belongs to the field of paper production equipment, and aims at providing the beating machine with a uniform pulverizing effect. The machine is characterized in that a sliding groove is formed in a lifting housing, a sliding block which moves in the length direction of the sliding groove is arranged in the lifting housing, a cam is arranged between power transmission blocks, the main shaft of the cam is connected with a motor, and two other side faces of the sliding block are connected with bucket wall beating assemblies; the bucket wall beating assemblies comprise moving rods which are slidably connected with the sliding block, the other ends of the moving blocks are connected with racks, the racks are arranged on the outer side of a beating bucket, a plurality of beating blades are arranged on the inner wall of the beating bucket, the main shafts of the beating blades penetrate through the beating bucket, and the other ends of the main shafts of the beating blades mesh with the racks. The invention provides a beating machine with a targeted pulverizing effect on pulp on the wall of a pulverizing bucket and capable ofachieving uniform pulverizing density of the pulp in the whole pulverizing bucket.

The invention discloses a support disconnected type braking device for a hub motor. The support disconnected type braking device for the hub motor comprises an annular braking disk, a support and a pincer body. The pincer body is provided with an upper friction block acting on one face of the braking disk and a lower friction block which corresponds to the upper friction block and acts on the other face of the braking disk. The upper portion of the pincer body is provided with an oil path acting on the upper friction block. The support comprises a left support body located on the left side ofthe pincer body and a right support body located on the right side of the pincer body. The left support body is provided with a left guide pin parallel to the axial direction of the braking disk, theright support body is provided with a right guide pin parallel to the axial direction of the braking disk. The pincer body is in sliding fit with the left guide pin and the right guide pin. The mounting and demounting difficulty of the support disconnected type braking device for the hub motor is lowered.

The invention relates to a machining protecting device, in particular to a hinge synchronization type telescopic protecting cover which comprises a telescopic protecting cover body, an upper guide rail, a middle guide rail and a lower guide rail. All the guide rails are installed on a machine tool engine. The telescopic protecting cover is of an L shape. An upper guide wheel and a lower guide wheel are arranged at two ends of the upper side and the lower side of the telescopic protecting cover body correspondingly. The upper guide wheel travels along the upper guide rail. The lower guide wheel travels along the lower guide rail. A middle guide wheel is arranged at the right-angle end of the middle portion of the telescopic protecting cover body. The middle guide wheel travels along the middle guide rail. An upper hinge and a lower hinge are arranged on the outer sides of the two straight edges of the telescopic protecting cover correspondingly. Three independent guide rails are adopted for supporting, two synchronous hinges are adopted for driving, and the hinge synchronization type telescopic protecting cover is good in guide performance and reliable in protection.

The invention relates to the technical field of glass processing, and discloses a self-cleaning type glass product processing device which comprises a processing table. A processing mechanism is arranged on the top surface of the processing table, and a cleaning mechanism is arranged in the processing table. Through the arrangement of the cleaning mechanism, when a cutting step is started, water flow is automatically guided to a channel passing through a filter plate for filtering operation, so that chippings and powder removed through the water flow in the cutting step are filtered out, and the problems that the chippings and powder removed through the water flow are difficult to remove, and equipment is damaged due to the fact that the chippings and powder enter a water pump are solved;and guiding of the water flow is automatically stopped after the cutting step, and the water flow without the cleaning effect is guided to a channel without passing through the filter plate, so that the problem that the service life of the filter plate is greatly shortened due to continuous impact of the water flow on the filter plate is avoided, and the problem that water circulation cannot be achieved due to low water flow backflow efficiency due to the fact that the flow speed and flow of the water flow are reduced due to the fact that the powder needs to pass through the filter plate and holes of the filter plate are small are solved.

The invention provides a lathe spindle safety protection device comprising a safety circuit and a wrench fixing seat matched with a lathe chuck wrench. The safety circuit is connected with a lathe drive circuit. The wrench fixing seat is provided with a sensing mechanism. The sensing mechanism comprises multiple travel switches connected with the safety circuit. Contacts of the travel switches point to a wrench storage area at the wrench fixing seat. When the wrench is not fixed to the wrench storage area, the on-off states of all the travel switches are the switch idle states. When the wrench is contained in the wrench storage area, the contacts of the travel switches are all triggered by the wrench, so that the on-off states of the travel switches are changed. When the on-off states of all the travel switches are different from the switch idle state, the safety circuit allows the lathe drive circuit to work. When the on-off state of any one travel switch is the switch idle state, the safety circuit forbids the lathe drive circuit to work. The lathe spindle safety protection device can use the resetting state of the chuck wrench as the lathe starting authentication mechanism, so that the safety is improved.

The invention relates to a medical grinding tool preventing rotation jamming. The medical grinding tool for preventing rotation jamming comprises a grinding head, a knife tube assembly, a connecting sleeve, a driving sleeve, a reciprocating driving member and a connecting handle. The distal end of the knife tube assembly is hinged with a grinding head. The front end of the knife tube assembly is provided with a grinding head. The rear end of the knife tube assembly is provided with a connecting sleeve. The outer periphery of the connecting sleeve is provided with a driving sleeve. The axial engagement of the driving sleeve is provided with a connecting handle. The connecting handle butts against the outer circumferential surface of one end of the driving sleeve and is provided with a reciprocating driving part. The reciprocating drive member and the connecting handle are both plastic parts and have a screw thread preventing locking mechanism. The invention has the advantages that the medical grinding tool which prevents the rotation from being stuck can prevent the deformation of the connecting handle from being stuck after high-temperature sterilization and is difficult to be rotated out, thereby realizing the rotation and pitching motion of the grinding head smoothly, having good adaptability and accuracy to the operation part and improving the operation efficiency.

The invention relates to a technology field of edge chipping after solar energy assembly lamination, to be specific, relates to a circulating type edge chipping driving system. Four-edge chipping operation is realized under driving of a single motor, and therefore a structure is simple, and a cost is low. The edge chipping driving system comprises an installation plate, and one corner of the installation plate is provided with a driving synchronous pulley, and the other three corners are respectively provided with a commutating synchronous pulley. A synchronous belt is sequentially wound around the driving synchronous pulley and the commutating synchronous pulleys to form a rectangle. The inner side of the synchronous belt is provided with four guide rails, which are arranged in the shape of a rectangle corresponding to the rectangle shape formed by the synchronous belt. Each of the guide rails is provided with a slider, which is fixedly connected with the synchronous belt, and is provided with an edge chipping knife.

The invention discloses a roller and roller shutter component, and related to the field of external shading roller shutter window structures. The roller and roller shutter component comprises a rollerand a roller shutter, the roller shutter comprises a plurality of shutter sheets which are sequentially connected from top to bottom, each shutter sheet comprises an arc-shaped shutter sheet body, hooks are integrally arranged at the upper ends of the shutter sheet bodies and face to arc-shaped inner sides of the shutter sheet bodies, hook seats and guide wheel mounting seats are integrally arranged at the lower ends of the shutter sheet bodies and positioned on the arc-shaped outer sides of the shutter sheet bodies, the hook seats are positioned below the guide wheel mounting seats, the hookof each shutter sheet is hooked in the hook seat of the adjacent shutter sheet, the upper ends of the shutter sheets positioned at uppermost end are not provided with hooks and connected with the roller through screws, and the hook seats of an outer ring are sequentially arranged on one side of the guide wheel mounting seats of an inner ring after the component is rolled. The shutter sheet can penetrate each other, rolled space is compact, a smaller roller shutter box can be manufactured to adapt to smaller mounting space, structure strength needed by the shutter sheet is ensured, and the rolled space is reduced.

The invention discloses a rocking arm type mold change transmission car. The rocking arm type mold change transmission car comprises a car body, a transmission bracket, a hand wheel, a transmission shaft, a bearing base for the transmission shaft, a tension mechanism, a chain, a chain wheel, an intermediate shaft, a working shaft, wheels, a feeding bearing, a guide bearing and an adjusting bracket. The transmission bracket is fixed with the car body; the chain wheel and the chain change the torque through the transmission shaft, the intermediate shaft and the working shaft, so that the car loaded with twenty or thirty tons of molds or materials can be easily driven through manual hand rocking; the car is provided with the feeding bearing and the guide bearing for easily realizing mold or material loading and unloading; and the adjusting bracket is mounted on the car for adjusting the height of the car in a certain range to realize matched use of different equipment. The car is compact in whole structure, simple, feasible, convenient for operation and simple in use conditions, saves the energy, and improves the working efficiency.