31results about How to "Reduce the number of specifications" patented technology

The invention discloses a large vent structure fixing support prepared from a shape memory material through injection molding. A mixed raw material comprises polycaprolactone, a filler and auxiliary materials. In the large vent structure, a ratio of a hollow area to the total area is 7-70%. The large vent structure fixing support is provided with a removable and locking tightness adjustable locking connection device. Preferably, the large vent structure fixing support contains a coupling agent. The fixing support injection molding can realize stretching and curved surface deformation. The large vent structure fixing support has no coating. Through the large vent structure, the change of the illness can be directly observed and the complication after wound is prevented. The large vent structure fixing support can adjust a clamping tightness degree in the whole course of disease, can keep the soft tissue compression, has good fixing effects, is conducive to wound care after an operation,prevents reproduction according to a patient bodily form in use and can be simply operated by a doctor. The material does not suck water, has no liner structure, can be fast dried after a bath, is good in comfort, greatly improves the skin health status, prevents pruritus and dermatitis and can be used for outer fixation of upper limbs, neck, chest, waist and lower limbs.

The invention relates to manual plate rolling equipment. The manual plate rolling equipment comprises a U-shaped support, an arc-shaped through groove is formed in a right side plate of the U-shaped support, and a corresponding arc-shaped countersunk groove is formed in a left side plate. A driving roll is arranged in the U-shaped support. The left end of the driving roll is mounted in the arc-shaped countersunk groove, and the right end of the driving roll is mounted in the arc-shaped through groove. Arc-shaped inner teeth are arranged on the right side of the left side plate, the left end ofthe driving roll is sleeved with a gear, a first driven roll and a second driven roll are horizontally arranged in the U-shaped support, a second through groove is formed in the left side plate, anda second through groove is formed in the right side plate. The left end of the first driven roll is mounted in the second through groove, and the right end of the first driven roll is mounted in the second through groove. A fourth through groove is formed in the rear side of the right side plate, and a corresponding third through groove is formed in the right side plate. The left end of the seconddriven roll is mounted in the fourth through groove, and the right end of the second driven roll is mounted in the third through groove. According to the manual plate rolling equipment, cost is reduced for enterprises.

The invention relates to a wire clamp as well as a wire pressing plate support, insulation wire pressing plates and a vehicle using the wire clamp. The wire clamp comprises the wire pressing plate support and the insulation wire pressing plates, wherein the wire pressing plate support comprises a plug-in mounting part for sequential sleeving by the insulation wire pressing plates; two or more wire pressing plate mounting positions are arranged on the plug-in mounting part; each insulation wire pressing plate comprises a plug-in mounting hole used for sleeeving the plug-in mounting part, a wire pressing plate structure used for being detachably fixed with the wire pressing plate support when the mounting is in position, and a wire fixing structure used for fixing a wire. When the wire clamp is used, the insulation wire pressing plates of which the quantity correspond to the quantity of to-be-fixed wires are sequentially fixed onto the wire pressing plate support through the plug-in mounting hole, and the to-be-fixed wires are fixed by the wire fixing structure, so as to meet the wire fixing demand; all that is needed is to produce insulation wire pressing plates of different specifications according to wires of different diameter specifications, so that the specification quantity of fixing devices can be greatly reduced, the selection and the use are convenient, the error rate can be lowered, and the operation efficiency can be improved.

The invention relates to a power distribution device and a vehicle using the same. The power distribution device comprises a shell, a base is arranged at a bottom of the shell, a wiring port arrangement space connected with the outside is arranged in the base or formed between the base and the shell, and related wiring ports are arranged in the wiring port arrangement space. According to the seattype power distribution device, the wiring port arrangement space connected with the outside is formed in the base; or the wiring port arrangement space connected with the outside is formed between the base and the shell, and the wiring ports can be arranged in the wiring port arrangement space so that the arranged wiring ports are arranged in the power distribution device, an occupied space of the power distribution device is reduced, and arrangement of the whole vehicle is facilitated.

The invention discloses a method and device for ensuring the stable operation of a gas discharger with low load. The method is to use a group of gas dischargers to supply gas to users. When the gas delivery capacity is the lowest, the excess gas is returned to the intake main pipe or the scrubber inlet through the recirculation pipe connected to the user main pipe to ensure the normal operation of the gas discharge machine. In the present invention, by adding a recirculation pipeline between the user main pipe and the intake main pipe, the excess gas is returned to the intake main pipe or the inlet of the scrubber to reduce the pressure of the user main pipe and ensure that the gas pressure at the user end is maintained within a safe range. Since the present invention adopts the same specifications of the gas discharge machine, it can avoid the frequent start and stop of the gas discharge machines of different specifications, reduce the workload of the production and operation personnel, and also greatly reduce the specification and quantity of the spare parts of the equipment, which is beneficial to the production management, greatly reducing production costs.

A modularized combined tower crane attachment rod with a large length and stepless adjustment, which has an upper connector, a lower connector, a screw adjustment device, a rod head, a rod tail, a first rod body, and a second rod body. A first shaft or a combination of two first shafts and one second shaft is provided between the club head and the club tail. When a first shaft is provided between the club head and the club tail, the club head and the club tail are respectively inserted into the installation holes at both ends of the first shaft, and are connected together by a first pin shaft. When there is a combination of two first shafts and one second shaft between the club head and the club tail, the two ends of the second shafts are respectively inserted into the mounting holes at one ends of the two first shafts, each through The two fourth pin shafts are connected together, and a rod head and a rod tail are respectively inserted into the mounting holes at the other ends of the two first shafts, and each is connected together by a first pin shaft. It is simple to connect, improves the force condition of the attachment rod itself, the attachment point and the attachment tower body, and makes the work safer and more reliable.

The invention provides a variable electro-hydraulic servo hydraulic transformer, and relates to an electro-hydraulic servo hydraulic transformer which resolves the problems that an existing hydraulic transformer is controllable in loading pressure and uncontrollable in loading flow, alternatively, the loading pressure and the loading flow are coupled, hydraulic transformers of different standards need to be applied to different areas, and universalization is not achieved. The variable electro-hydraulic servo hydraulic transformer comprises a thrust plate servo mechanism and a swash plate servo mechanism, the valve plate servo mechanism comprises a thrust plate, an end cover, a thrust shell, a bearing cover, a bearing, a first hydraulic control valve and a swing motor, the thrust plate is in detachable connection with a blade shaft, a motor shell is arranged between the end cover and the thrust shell and in detachable connection with the end cover and the thrust shell, and the first hydraulic control valve is arranged on the motor shell. The swash plate servo mechanism comprises a cylinder, a hydraulic cylinder, a second hydraulic control valve, a swash plate, a shell, a transmission shaft and a plurality of plungers, wherein the shell is in detachable connection with the end cover. The variable electro-hydraulic servo hydraulic transformer is used for a system control valve of the hydraulic field.

A combined abdominal aorta covered stent system and a utilization method thereof are applied to surgeries for endovascular interventional treatment of abdominal aortic aneurysm. The system comprises a body covered stent and a pair of branch covered stents, and each of the stent is cylindrical and provided with a delivery system. The near end of the body covered stent is a bare stent with barbs, a covered section comprises an upper half portion in a single-cavity cylinder shape and a lower half portion with a fixed outer diameter, and the lower half portion is averagely partitioned into two cavities by a longitudinal partition. Small-waveband stent rings are designed at near and far ends of the covered section of the body covered stent, and other covered parts can be either provided with stent rings or not. The upper half portion of the covered section is implanted at a neck position of infrarenal aortic aneurysm, and the lower half portion is suspended in an aneurysm cavity. The branch covered stents parallelly and internally sleeve the two cavities of the body covered stent, near ends of the branch covered stents are flush with the near end of the lower half portion of the body covered stent and fill the cavities of the body covered stent in a self-adoption manner, and far ends of the branch covered stents are implanted into iliac artery branches to better adapt to arterial aneurysms excessive in aneurysm neck torsion.

The invention discloses a permanent magnet motor rotor stamping with self-starting capability and industrial frequency conversion performance. The stamping structure includes rotor magnetic poles, permanent magnet slots, permanent magnets, slots between poles and a uniform Distributed slots; the number of punching poles is greater than or equal to 2, and the number of permanent magnet slots and permanent magnets per magnetic pole is greater than or equal to 1; the magnetic pole angle is 0.75~0.8 times of 360 / 2p, and p is the number of pole pairs of the motor; the outer circle of the rotor pole It is a circular arc that is not concentric with the rotor punch, and its radius is (0.89~0.93)×R, R is the outer circle radius of the rotor punch; permanent magnets are embedded in permanent magnet slots, and there is an inter-pole gap between adjacent rotor poles. groove.

The invention relates to a collar angle pressing die, which comprises an upper die base (1), an upper die (2), a lower die base (3), a lower die (4) and a guide rod (5), characterized in that: The lower mold (4) includes the fixed lower mold (4.1) and the movable lower mold (4.2), the fixed lower mold (4.1) is installed in the corresponding position of the two fixed lower mold installation holes (3.2), and the movable lower mold (4.2) is installed In the corresponding position of the movable lower die arc groove (3.3), and the movable lower die (4.2) can be adjusted along the movable lower die arc groove (3.3), the clamp of the fixed lower die (4.1) and the movable lower die (4.2) Angle forms lower die angle, and the lower die angle is adjustable so that the lower die angle matches the upper die angle of the upper die (2). The neck corner pressing mold of the present invention has the advantages of good versatility, cost saving, and being applicable to various neck corner styles.

The invention discloses an integrated wrench for hexagon socket screws. The integrated wrench comprises a core shaft. One end of the core shaft is inserted into a handle, the core shaft is sleeved with a hexagonal cylinder set, and the hexagonal cylinder set can slide in the axial direction of the core shaft. According to the integrated wrench for the hexagon socket screws, the mode that the hexagonal cylinder set and the core shaft are combined is adopted, it is achieved that the hexagon socket screws in various specifications can be disassembled and assembled through one wrench, and other tools are avoided in the adjusting process. The integrated wrench for the hexagon socket screws is rapid in operation, convenient to carry and practical, the number of different-specification wrenches for disassembling and assembling the hexagon socket screws can be decreased, the wrench does not need to be replaced in one process of operating the hexagon socket screws in multiple specifications, and therefore working efficiency is greatly improved.

The invention discloses an attached automatic lifting multilayer construction platform, and belongs to a building scaffold. The attached automatic lifting multilayer construction platform comprises a plurality of side-by-side inner-row upright posts and outer-row upright posts; a protective net board is arranged among the outer-row upright posts; a multilayer platform bottom plate is arranged between the inner-row upright posts and the outer-row upright posts; guide rails are arranged among the inner-row upright posts; the construction platform further comprises a central crane lifting system; the central crane lifting system at least comprises an electric hoist, a fixed hanger and a movable hanger; the mutually independent outer-row upright posts, inner-row upright posts and guide rails are adopted, and are connected into a whole by virtue of supporting rods and the platform bottom plate, the assembly and disassembly procedure of the construction platform is effectively simplified, and artificial uncertain factors in the installation process are reduced. Under the mutual cooperation of a horizontal supporting frame and a double-column offset steering device, the central crane lifting system can be directly arranged between any one outer-row upright post on the construction platform and the corresponding guide rail, and the supporting structure for the installation of the lifting system is simplified.

The invention provides a modularized water-jet propulsion steering reversing mechanism, which relates to the technical field of ship propulsion, and includes a steering reversing mechanism bracket for fixing the water-jet propulsion steering reversing mechanism; It is connected to the support of the navigation mechanism, and is used to move left and right around the first pin shaft under the drive of a steering cylinder built in the rudder, so that the jet water flow is reversed to the side to realize steering; the reversing door is connected to the rudder through a second pin shaft, It is used to realize the forward steering function when it is in the open state, and to make the jet water flow reverse to the bottom of the ship to achieve reverse sailing when it is in the closed state; the auxiliary rudder plate is installed on the rudder through fasteners, and is used to rotate together with the rudder to lift the rudder effect. The invention reduces the number of specifications of the steering and reversing mechanism through water jet propulsion, reduces design and processing costs, and shortens the processing cycle; effectively reduces the difficulty of assembly and disassembly; reduces the processing difficulty and scrap rate of guide vanes ; Improved product reliability.

The invention belongs to the technical field of new manufacturing and maintaining of a casing part with a steel wire thread sleeve needing to be mounted in a space flight and aviation gas turbine engine, and particularly relates to a device and method for cutting off and collecting the steel wire thread sleeve mounted on a casing with a complex blind cavity. The device comprises a connecting rod, a hand shank rod and a guide core bar. A groove A is formed in the portion of one end of the lead core bar. After a tail shank is inserted along an inner hole of the steel wire thread sleeve, the bent part of the tail shank can enter along an opening of the groove A, a groove B is formed in the circumferential direction of the groove A, a certain included angle is formed by the groove B and the groove A, and after the bent part of the tail shank enters the groove A, the lead core bar is rotated so that the bent part can enter the groove B. The other end of the lead core bar is connected with one end of the connecting rod, and the other end of the connecting rod is connected with the hand shank rod used for enabling the guide core bar and the connecting rod to rotate. Two process steps of cutting off the tail shank and taking out the waste tail shank of a previous steel wire thread sleeve assembling technology are combined into one process step of cutting off and taking out, the tail shank is taken out while being cut off, and broken tail shanks do not need to be found any more.