39results about How to "Easy to use alternately" patented technology

The invention relates to an adjustable spanner, in particular to a quick-operation adjustable spanner. The quick-operation adjustable spanner comprises a movable spanner head and a spanner body with a fixed spanner head. The movable spanner head is movably connected with the spanner body. The spanner body is provided with a worm gear component which can drive the movable spanner head to move and an adjusting device capable fast adjusting movement of the worm gear component. Compared with the prior art, the quick-operation adjustable spanner is fast, efficient, flexible and convenient, and great convenience is brought to alternating use for workpieces of different sizes.

The invention relates to a flat-bottom solar electric boat comprising a boat unit and a power drive and action execution mechanism. The boat unit comprises a flat-bottom boat base, a boat tip, a guardrail, a deck equipment platform, and a float unit. The power drive and action execution mechanism comprises a propeller unit, a large-area efficient light-catching solar photovoltaic panel composed of fixed and deflectable photovoltaic panels, a storage battery, an electric control device, and the float unit; the storage battery and the electric control device are fixed in a battery box; the float unit is composed of multiple streamlined barrels. The flat-bottom solar electric boat operates safely and reliably, has good stability, is convenient to wash and is free of environmental pollution; daily using cost of the flat-bottom solar electric boat is low, and appearance thereof is attractive; the flat-bottom solar electric boat is ideal, energy-saving, environment-friendly and practical overwater work vehicle and applied to usage situations with low speed requirement and high safety requirement, such as inland river aquaculture management, inland river or lake clearing or treatment, and tourism.

The invention discloses a sawing and shearing integrated machine. The sawing and shearing integrated machine is structurally characterized in that double rails are arranged on the upper top face of a fixing base; a main rack is supported by the double rails, and a reciprocating moving drive mechanism is connected to the side face of the main rack; a shearing device and a sawing device are arranged on the inner side of the main rack side by side; and the reciprocating moving drive mechanism drives the main rack to drive the shearing device and the sawing device to move in a reciprocating manner along the double rails, so that reinforcing steel bars penetrating the main rack are cut off through the shearing device or the sawing device. The sawing and shearing integrated machine has the beneficial effects that the reinforcing steel bar sawing device and the reinforcing steel bar shearing device are arranged in the main rack, the main rack is driven by the reciprocating moving drive mechanism to move, a reinforcing steel bar sawing process and a reinforcing steel bar shearing process which are different from each other can be freely switched, the cut reinforcing steel bars are prevented from being carried so as to be stacked in a concentrated manner, the occupied area is reduced, and the use rate of equipment is increased; and the sawing and shearing integrated machine is simple and compact in structure, convenient to use alternately and suitable for being arranged and installed on the movable main rack.

The invention belongs to the field of random number generation, in particular to a device and method for improving the random effect of random numbers. For the existing devices for improving the random effect of random numbers, they often cannot effectively and quickly dissipate heat themselves, and the general heat dissipation device has The dust filter often needs to be cleaned and replaced from time to time, which leads to cumbersome problems in use. The following solution is now proposed, which includes a device body, the bottom of the device body is fixedly connected with a heat dissipation shell, and the bottom of the heat dissipation shell is slidably installed. With two support rods, the present invention can quickly and comprehensively dissipate heat effectively, and at the same time, can effectively reduce the vibration effect, and alternately use multiple dust-proof mesh panels, effectively avoiding the need for a single dust-proof mesh panel. The tedious behavior of high-frequency disassembly and cleaning is more convenient to use.

The invention discloses a medical bed mattress and a mattress installation structure thereof, comprising a bed board, supporting legs, a leaning frame, an infusion stand, a No. 1 turntable, a No. 1 adjustment rod and a No. 1 mattress; The No. 1 guide rail, the No. 2 guide rail are provided above the bed board, and the horizontal fixed support plate and the longitudinal fixed support board are provided on the surface of the bed board; the No. 2 turntable and the No. 3 turntable are symmetrically arranged on the No. 1 guide rail; The No. 2 turntable is provided with the No. 2 adjusting lever; the No. 3 turntable is provided with the No. 3 adjusting lever; the No. 2 turntable and the No. 3 turntable are connected through the No. 1 transmission belt; the No. 4 turntable is symmetrically arranged on the No. 2 guide rail and the No. 5 turntable; the No. 4 turntable is connected with the No. 5 turntable through the No. 2 transmission belt; the No. 3 turntable is connected with the No. 4 turntable through a connecting shaft, and the No. 3 turntable controls the movement of the No. 4 turntable through the connecting shaft. The flipped mattress is well ventilated, and at the same time, the bottom mattress can be disassembled for drying and cleaning without affecting the normal use of the hospital bed.

The invention discloses a fracturing flow-back fluid treatment system and a treatment technology and aims to solve the problems that the existing fracturing flow-back fluid treatment technology pollutes the environment, waste the resources and is high in fracturing construction cost. The fracturing flow-back fluid treatment system comprises a flow-back fluid reaction device, a first screw pump, a press filter, a filtrate fine filter, a third screw pump, a filter membrane assembly and a water storage tank, which are sequentially connected, and a solid phase collecting tank connected with the press filter. The fracturing flow-back fluid treatment system is reasonable in structure, simple in process and convenient to operate, and can greatly reduce environment pollution, improve the recycling utilization value of fracturing flow-back fluid and reduce treatment cost and later fracturing construction cost, thereby having high application value.