36results about How to "Guaranteed second use" patented technology

The invention provides a rocket fairing recovery system and method, and belongs to the technical field of rocket sublevel recovery. The rocket fairing recovery system provided by the invention comprises a deceleration system, a control system and an aerial grabbing system, wherein the deceleration system comprises a controllable parafoil and a thrust reverser which are arranged on a fairing; the control system is used for controlling operation of the controllable parafoil and the thrust reverser; and the aerial grabbing system comprises an air vehicle which is provided with a mechanical arm for conducting aerial grabbing on the fairing. According to the rocket fairing recovery system, the fairing grabbed in the air does not need to be received on the ground, the aerial grabbing mode has better maneuverability compared with other receiving modes, safe landing of the fairing can be ensured, and secondary use of the fairing is ensured.

The invention discloses a mower. The mower comprises a main body of the mower and a mowing mechanism arranged at the bottom of the main body of the mower. The mowing mechanism comprises a driving motor and cutting blades arranged on a driving shaft of the driving motor and connected with the driving shaft. The cutting blades comprise a first cutting blade and a second cutting blade arranged between the first cutting blade and the driving motor. A double-layer of cutting blades is arranged on the mowing mechanism. When the driving motor drives the double-layer of cutting blades to operate, the first cutting blade and the second cutting blade can rotate in the same or opposite directions. Therefore, weeds absorbed into the mowing mechanism are smashed. Compared with a signal-layer cutting blade of a conventional mower, the above double-layer cutting blade has fine weed-smashing effect such that secondary utilization of smashed weeds can be fully ensured.

The invention discloses a pre-stressed flexible support inclined uniaxial tracking support system which comprises a flexible support, a tracking device and a transmission device. The flexible supportis arranged by multiple groups of support column structures. Each group of support column structure is composed of two groups of columns and load-bearing steel cables. The tracking device comprises adriving rotary reduction motor. The transmission device is connected with the corresponding photovoltaic module through each driving swing arm. The driving steel cable is annular, and the middle partis wound and fixed on the output shaft of the driving rotary reduction motor and the two ends respectively pass through a driving pulley I and a driving pulley II. The left and right sides of the active steel cable are respectively connected with the corresponding connecting steel cable I and the connecting steel cable II along the front-and-rear direction. Compared with the traditional tracking bracket, the cost is reduced. Compared with the traditional fixed support, the power generation efficiency is improved and the secondary utilization of land can be realized.

The invention provides an automatic machining machine and method for producing and manufacturing a composite thermal insulation pipe, and relates to the technical field of manufacturing and machining of the composite thermal insulation pipe. The automatic machining machine comprises a bottom plate, a fixing device and a cutting device, the fixing device is arranged on the bottom plate, and the cutting device is arranged on the fixing device. The automatic machining machine and method can solve the following problems that firstly, when a traditional composite thermal insulation pipe is machined, a heat insulation layer and a protection layer on the surface of the thermal insulation pipe are firmly pasted to the surface of a steel pipe for conveying a medium through a glue solution, and when the heat insulation layer and the protection layer on the surface of the thermal insulation pipe are cleaned, the heat insulation layer and the protection layer on the surface cannot be thoroughly cleaned, and therefore, the subsequent secondary utilization of the steel pipe for conveying the medium can be influenced; and secondly, when the traditional composite thermal insulation pipe is machined, the clamping stability of the composite thermal insulation pipe is poor, and the situation that the pipe is disengaged occurs during machining.

The invention is suitable for the field of environment-friendly devices, and provides a clothing recovery box with the functions of convenient taking and overall drying. The clothing recovery box comprises a supporting assembly and a functional assembly. The supporting assembly comprises a recovery box body, a partition plate, an inlet baffle, an outlet baffle, a gripping handle, a transmission rod and a supporting seat. The partition plate is arranged and rotationally connected to the recovery box body, keeps balanced through the outlet baffle, and rotates along with opening and closing of the outlet baffle through the transmission rod; when the outlet baffle is opened, the partition plate is inclined so as to conveniently take recovery clothing, and thus the working efficiency is improved; and after the clothing is thrown into the recovery box body to be accumulated, a fan arranged on the lower surface of partition plate can blow air to the clothing on the bottom surface through holes formed in the partition plate, so that the clothing keeps ventilating drying overall, and the situation that secondary using of the clothing is affected by moist mildew is avoided.

The invention discloses a balance type dripping prevention wall-plastering device in the technical field of buildings. The device comprises a fixing bottom plate, rollers are arranged at the bottom ofthe fixing bottom plate, a hand rail is arranged on the top left side of the fixing bottom plate, hydraulic telescopic rods are arranged on left and right sides of the top of the fixing bottom platerespectively, and a fixing support frame is arranged at tops of the hydraulic telescopic rods. An outer protective shell is arranged at the top of a bottom plate of the fixing support frame, an innerprotective shell is arranged at the top of an inner cavity of the outer protective shell, a servo motor is arranged at the bottom of the inner cavity of the outer protective shell, an output end of the servo motor is connected with a rotating shaft, and the other end of the rotating shaft penetrates an inner cavity of the inner protective shell to connect with stirring rods. A liquid inlet pipe isarranged at the upper end of a left outer wall of the inner protective shell, wall surfaces can be plastered more uniformly through a plastering cotton pad, the plastering speed is increased, and airenvironment pollution caused by dripping of coating on the ground can be prevented; in addition, secondary utilization of coating can be guaranteed, and dripping coating can be treated more conveniently.

The invention relates to the technical field of vehicles and provides a vehicle air conditioning system and a condensate water recycling system thereof. The invention comprises a condensate water conveying pipeline. Condensate water flowing into the condensate water conveying pipeline flows to a first heat exchange device through a first electromagnetic valve to be subjected to heat exchange so asto reduce the temperature in a vehicle or flows to a second heat exchange device through a first outlet of a first three-way electromagnetic valve to be subjected to heat exchange so as to reduce thetemperature of condensate water; the condensate water feedback pipeline is communicated with the second heat exchange device and the first heat exchange device; the temperature detection device is used for detecting the temperature of condensate water; control device. Moreover, a control device is configured as follows: when the temperature of the condensate water is smaller than or equal to a set temperature threshold value, the first three-way electromagnetic valve and the first electromagnetic valve are controlled, so that the condensate water enters the first heat exchange device to be subjected to heat exchange and cooling, and otherwise, the condensate water enters the second heat exchange device to be subjected to heat exchange and then flows to the first heat exchange device through the condensate water feedback pipeline. The problem that heat exchange cannot be conducted due to insufficient temperature of condensate water is solved.

The invention discloses a building underground space seismic energy conversion and utilization device. The device comprises a box body, magnetic fluid, a spring, a balloon, an inflator pump and an annular permanent magnet. A spiral pipe is arranged at the top of the box body; an inner cavity of the spiral pipe is communicated with an inner cavity of the box body; the spiral pipe is sleeved with the annular permanent magnet; the bottom of the box body is connected with the upper end of the spring; the lower end of the spring is fixed in the underground space of a building; the box body is filled with the magnetic fluid; the balloon is located in an inner cavity of the box body; the air inlet of the balloon is communicated with the outlet of the inflator pump; and an electrode used for leading out induction current is arranged on the lower portion of the box body. The invention further provides an operation method of the building underground space seismic energy conversion and utilization device. The device is low in cost, high in efficiency and environmentally friendly, and has a certain self-adjusting function.

The invention relates to the technical field of petroleum pipelines, and discloses a continuous heating furnace for oil pipe surface treatment. The continuous heating furnace comprises a processor, wherein a storage barrel is fixedly mounted at the right end of the top of the processor; a high-pressure air pump is fixedly mounted on the left side of the storage barrel; a supporting base is fixedlymounted at the bottom of the processor; protective covers are fixedly mounted in the middles of the two sides of the processor; and two sprayers are fixedly mounted at the right end of the interior of the processor. According to the continuous heating furnace for oil pipe surface treatment, the processor, spraying pipes, a heating plate and the like are arranged, so that the purposes of convenient use and good effect are achieved; hydraulic rods at the two ends are used for controlling threaded pipes to fix the position of a large oil pipe, then the hydraulic rods start to extend and retract,that is to say, the oil pipe slowly moves in the processor, the sprayers are arranged in the mode, the high-pressure air pump can be used for quickly realizing the spraying work of the sprayers, andannular material pipes and material spraying heads are uniformly distributed on the periphery of the oil pipe in an annular shape.

The invention relates to an outdoor fitness equipment positioning and mounting device, and relates to the technical field of fitness equipment. The device comprises mounting cylinders and mounting columns, wherein the mounting cylinders are pre-buried in concrete and are arranged in sequence, the mounting columns are arranged on the fitness equipment and are inserted in the mounting cylinders, and fixing devices are arranged between the mounting cylinders and the mounting columns. According to the device, in an actual outdoor fitness equipment mounting process, the mounting columns are mounted on the outdoor fitness equipment by means of bolts or in other rapid mounting modes, then the mounting columns are rapidly mounted by means of the fixing devices, the outdoor fitness equipment can be conveniently and rapidly mounted, the outdoor fitness equipment is more rapid and convenient to dismount, the fitness equipment cannot be damaged, secondary utilization is guaranteed, and the actual cost is saved.

The invention relates to the field of vegetable cleaning devices, in particular to a household device for cleaning vegetable pesticide residues. The device comprises a box body, a shaking structure, acleaning structure, an extracting structure, a limiting structure and a filtering structure. Through cooperative use of the box body and the shaking structure, vegetables placed in the box body can be sufficiently shaken during washing, and the function of simulating manual vegetable washing is achieved, so that silt and pesticide residues on the vegetables can be sufficiently removed, and the edible safety of the vegetables is guaranteed. The shaking structure can synchronously drive the cleaning structure to work while working. Through cooperative work of the cleaning structure and the shaking structure, the vegetables in the shaking structure can be comprehensively cleaned, and therefore silt and pesticide residues on the vegetables can be further removed. When the shaking structure works, the filtering structure can be synchronously driven to work. Through the work of the filtering structure, the sewage for cleaning the vegetables can be coarsely filtered.

The invention discloses a packaging carton for furniture packing. The packaging carton comprises a panel. A first soft plate is fixedly connected to the right side of the panel. A left side plate is fixedly connected to the right side of the first soft plate. A second soft plate is fixedly connected to the right side of the left side plate. A back plate is fixedly connected to the right side of the second soft plate. A third soft plate is fixedly connected to the right side of the back plate. A right side plate is fixedly connected to the right side of the third soft plate. A bottom plate is fixedly connected to the bottom of a fifth soft plate. Locking devices are correspondingly arranged on the front face of the panel, the front face of the left side plate, the front face of the back plate and the front face of the right side plate. According to the packaging carton for furniture packing, through cooperative use of sleeves, clamping strips, clamping blocks, positioning cylinders, springs and clamping sleeves, the problems that a traditional packaging carton is quite not convenient to disassemble and assemble are solved, and through the cooperative use of the panel, the left sideplate, the back plate, the right side plate, the top plate, the bottom plate and limiting grooves, the problem that all cartons are protected by thickened cartons by means of the traditional packagingcartons and consequently the cost is high is solved.

The invention discloses an earth excavation dust disposal device for road construction, relating to the technical field of road construction. The earth excavation dust disposal device for road construction comprises a body, a fan, a dust guide pipe, a water pump, a water guide pipe and a dividing plate, wherein the fan is arranged on the left side of the top of the body, and an air outlet of the fan is communicated to one end of the dust guide pipe; one end, far from the fan, of the dust guide pipe penetrates through the body and is communicated to an inner cavity of the body; the water pump is arranged on the right side of the top of the body, and a water outlet of the water pump is communicated to one end of the water guide pipe. When the water level reaches a preset value, a sealed baffle plate is opened by operating an air cylinder, so that a water body is discharged into a water filter mechanism through a guiding mechanism, and therefore, the water filter mechanism operates to filter water and discharge the water to a water storage tank through a water delivery pipe, so that the problem that the surrounding grounds and plants of a construction environment are affected by a mixture of dust and water after dust removal in the prior art is solved while a water resource effect is saved.

The invention provides a fluorescence detector. The fluorescence detector comprises an excitation light source, an excitation light filter, a first dichroscope, a first converging lens, a detection pool, a curved surface reflector, a second dichroscope, a light trap, an emission light filter and a photoelectric detector, the fluorescence detector adopts a collinear light path structure, fluorescence and unused exciting light are collected and reflected by a curved reflector, and the exciting light and stray light doped in the fluorescence are eliminated through a second dichroscope on a fluorescence emission light path and a light trap behind the second dichroscope. Therefore, on the premise that secondary utilization of the exciting light and efficient collection of the fluorescence are ensured, adverse effects of the exciting light and stray light which are reflected into the fluorescence emission light path by the curved surface reflector on the detection signal-to-noise ratio are avoided, and the detection signal-to-noise ratio can be improved by more than four times.

The invention relates to the technical field of electroplating, in particular to a hard chromium electroplating process. The hard chromium electroplating process comprises the steps of plating part cleaning, acidizing and grinding, multiple cleaning and chromium plating and packaging. Cleaning equipment adopted in multi-cleaning comprises a standing bath, a water bath and a controller; brackets are arranged on two sides of the standing tank, and rotating disks are arranged on the brackets; and hanging rods which are eccentrically installed are arranged on the disks. Impurities can still remainin modeling notches in the surface of a workpiece to affect the cleaning effect of the surface of the workpiece. Therefore, the disks arranged on columns cooperate with the hanging rods eccentricallyinstalled on the disks, the workpiece in the standing tank is driven to swing under the action of the controller, the swinging workpiece is in an irregular motion state under cooperation of variable-speed drive of a servo motor, so that dead angles at the modeling notches of the workpiece are also cleaned, and the completion effect of the subsequent hard chromium plating process is improved.

The invention discloses a convenient-to-clean tubular MBR membrane bioreactor which comprises a reactor body, a supporting column is fixedly mounted on one side of the bottom end of the reactor body, a stable base is detachably mounted on the surface of the bottom end of the supporting column, a mounting plate is fixedly mounted in the reactor body, and a connecting sliding groove is formed in the mounting plate. One side of the reactor body is communicated with a water inlet pipe, one side of the water inlet pipe is detachably provided with a sealing cover, the other side of the reactor body is detachably provided with a first sealing ring, and one side of the first sealing ring is communicated with a recovery pipe. According to the scheme, the tubular MBR adopts the principle that the membrane component is clamped in the mounting plate and can be directly drawn out, so that the device is convenient to clean, and the problem that the membrane component is arranged in the device, so that the removal of impurity particles is hindered, and the cleaning work is not facilitated is solved.

The invention relates to the field of secondary water supply, in particular to an automatic pump room of secondary water supply equipment, which comprises a water tank, a floating ball valve, a reservoir, an annular pipeline and an overflow protection assembly, each anti-overflow mechanism comprises a high-pressure water drainage mechanism, a one-way circulation mechanism and a water purification mechanism, the water purification mechanism is arranged on one side of the water tank, one end of the water purification mechanism is connected with the one-way circulation mechanism, and the other end of the water purification mechanism is led into the reservoir. Firstly, the underground reservoir is arranged at the fixed position of the water tank, and the water tank and the reservoir are communicated through the intelligent control valve, so that water can be automatically drained to the reservoir when the pressure in the water tank is relatively high; and secondly, a plurality of filtering and purifying devices are arranged in the pipeline between the water tank and the water storage tank, so that water leaked into the water storage tank can be reutilized to a certain extent.

The invention discloses a deep foundation pit side wall steel mold trolley traction device. The device comprises a lower base, a support, an upper base, a rotating shaft, a bearing, a rotating handle,wooden blocks and a steel wire rope. The base is fixed to the ground. The support is a support in a quadrangular table shape, and the support is fixed to the base. The upper base is fixed to the topof the support. The bearing is mounted in the upper base. The bottom end of the rotating shaft is movably arranged on the lower base. The top end of the rotating shaft penetrates through the bearing to be fixedly connected with the rotating handle. One end of the steel wire rope is wound on the rotating shaft, and the other end of the steel wire rope is connected with a side wall steel mold trolley. The two or more wooden blocks are arranged at the bottom of the lower base. Materials of the device are obtained from materials left or wasted in field construction, waste is turned into wealth infield, the materials can be repeatedly used, and the device is simple in machining operation and high in speed; and in the construction process, flexibility is high, field practicality is high, the safety of surrounding construction personnel can be protected to the largest extent, cost is saved, the building construction period is shortened, and good social and economic benefits are generated.