63results about How to "Easy to transport" patented technology

The invention relates to a device suitable for ring shear test and soil sample preparation of a vertical shearing surface. The device comprises a shearing box, a lifting system, a power rotating system, a monitoring control system, a soil sample preparation system and a frame, wherein shearing plates are uniformly fixed on an annular base plate along the radial direction of the annular base plate; an outer cover of the shearing box is covered on the annular base plate and the shearing plates and is assembled and fixed with the annular base plate through a guide strip and a guide slot; the outer cover of the shearing box is connected with a rotating force arm of the power rotating system and is used for transmitting torque; a coupling pressing plate is aligned and embedded into a central hole of a top plate of the outer cover of the shearing box and is driven by the lifting system to load normal force; the annular base plate is aligned and embedded into a cylindrical support platform; and under the effect of driving torque, an inner cylindrical side wall generated by the circling motion of the annular base plate under the driving of the shearing plates is the vertical shearing surface. According to the invention, the shearing displacement and the uniform distribution of the shearing stress on the shearing surface can be guaranteed, the thickness of the vertical shearing surface is not limited and the device has the functions of sample preparation and vertical shearing test.

The invention relates to a hollow floor system filled with an air-filling bag and a construction method thereof, belonging to the field of the structure of the common building. The hollow floor system consists of the air-filling bag (1), upper steel bars (2), lower steel bars (3), hidden girder steel bars (4) and concrete (5), wherein the air-filling bag (1) is positioned among the upper steel bars (2), the lower steel bars (3) and the hidden girder steel bars (4); a bag wall (8) of the air-filling bag (1) consists of four side walls (9), an upper wall (10) and a lower wall (11); the shapes of at least two side walls (9) adjacent to the hidden girder steel bars (4) in the air-filling bag (1) are planes; the shapes of the upper wall (10) and the lower wall (11) are heaved-outward arc surfaces; and positioning pieces (12) are arranged among the inner sides of the side walls (9) so as to ensure that the two side walls (9) are parallel mutually. The hollow floor system has large span, better reliability, earthquake resistance and crack resistance, and good economy and applicability.

The invention relates to a glutamic acid synergist urea and a preparation method of glutamic acid synergist urea. The glutamic acid synergist urea provided by the invention consists of a glutamic acid synergist and urea. The production method of the glutamic acid synergist urea comprises the steps of preparation of the glutamic acid synergist, preparation of glutamic acid synergist urea, high tower cooling granulation and the like. By the fertilizer growth promotion effect of active ingredients in the glutamic acid synergist of the fertilizer on crops, the storage state of nitrogen elements in the plants can be improved, the ability of the crops to absorb nutrients is strengthened, the crop yield and the crop quality are improved, the utilization ratio of the fertilizer is increased (by 5%-10%), the loss of soil nutrients is reduced, and secondary pollution is avoided. The fertilizer product prepared by the invention is wide in source of raw materials, and has excellent application prospect.

The invention discloses an anti-roll adjustable hydro-pneumatic suspension hydraulic system which comprises a suspension hydraulic control unit and an oil pipeline which are arranged on each axle, each suspension hydraulic control unit comprises two groups of suspension control mechanisms on the left side and the right side respectively, and each suspension control mechanism comprises an oil cylinder, a valve piece, a pipeline and an energy accumulator; a rod cavity of an oil cylinder on one side of each suspension hydraulic control unit is communicated with a rodless cavity oil way on the other side of the same unit through a valve piece and a pipeline, and a rodless cavity of each oil cylinder is connected with an energy accumulator of the suspension control mechanism in the same set through a valve piece. The stability of speed control when the suspension oil cylinder bears large load and descends is achieved; meanwhile, the suspension oil cylinder can bear the load borne by a suspension system when a hydraulic system does not act, the hydraulic system is prevented from being overloaded, so that the safety of the hydraulic system and the whole vehicle is protected; vehicle posture adjustment and speed adjustment such as vehicle body lifting, front-back pitching, left-right inclining and vehicle body leveling can be achieved.

A waste receptacle particularly useful for scooping-up and removing canine waste and a blank for making the receptacle. The blank and receptacle are made from a single thin sheet of material such as cardboard. The receptacle can be used with only one hand. It is stored and transported nearly flat and can be popped into operative configuration by applying pressure on the sides. Further application of pressure on the sides changes the size and shape of the receptacle opening and controls the position of a flap over the opening for more control of the scooping and closing process. A hook structure is formed on one end of the receptacle. The receptacle has a tapered shape which allows use and control of the receptacle by people with large or small hands.

The invention discloses a hollow composite floor slab and a construction method of the hollow composite floor slab. The hollow composite floor slab comprises a prefabricated hollow bottom plate and an upper cast-in-place slab, continuous fully-closed preformed holes and semi-closed preformed holes are distributed in the prefabricated hollow bottom plate at intervals, or the continuous fully-closed preformed holes and plate ribs are distributed on the prefabricated hollow bottom plate at intervals, bottom plate rebars are distributed on the prefabricated hollow bottom plate at intervals in the longitudinal direction and the transverse direction, prestress rebars or prestress rebars and non-prestress rebars distributed at intervals are adopted as the bottom plate rebars, and the rebars penetrate through the semi-closed preformed holes or plate rib preformed holes. Concrete is poured on the prefabricated hollow bottom plate to form the upper cast-in-place slab, multiple sets of top rebars are distributed on the cast-in-place slab in the longitudinal and the transverse directions parallel to the bottom plate at intervals, and reinforced concrete is integrally poured on the bottom plate to form the hollow composite floor slab. Only the prefabricated bottom plate needs to be produced and transported, transportation and installation are convenient and fast, formworks are not needed, the crack resistance and the integrity are good, and the construction efficiency is high.

The invention relates to the technical field of equipment for plant protection, in particular to a pesticide sprayer with a self-propelled spraying frame and of which the height is adjustable to adaptto various crops with high or short stalks. The pesticide sprayer comprises a rack, a walking transmission device and a spraying device; a driving chamber is arranged at the upper end of the front part of the rack, and a left stand shaft frame and a right stand shaft frame are fixed to the left and right sides of the front part of the rack, and a left front walking wheel and a right front walkingwheel are installed at the left and right sides of the front part of the rack respectively; left and right pesticide boxes are arranged at the left and right sides of the lower end of the rack respectively, and thus the stability of the equipment is ensured; the chassis height of the equipment is increased through the left stand shaft frame, the right stand shaft frame, a left rear wheel frame and a right rear wheel frame, and thus the equipment can adapt to spraying of the high-stalk crops, while the crops will not be damaged; pesticide spraying operation in a wide work range can be achievedby spreading a folding arm frame, the equipment can be convenient to transport and park by folding the folding arm frame, the occupation area is reduced, and the pesticide sprayer with the self-propelled spraying frame and of which the height is adjustable to adapt to the various crops with the high or short stalks has the advantages of being high in pesticide spraying speed and efficiency, simple in structure and low in cost.

The invention belongs to the technical field of garment design, and particularly relates to a display model for garment and leather product design. The display model comprises a base, a bearing blockis arranged at the top of the base, and a lower threaded sleeve is inserted into an inner cavity of the bearing block; the top of a rotating handle is provided with an upper threaded rod, the top of the outer wall of the upper threaded rod is in threaded connection with an upper threaded sleeve, an exhibition stand is arranged at the top of the upper threaded sleeve, and a display model body is arranged at the top of the exhibition stand; the top of the exhibition stand is in sliding connection with bottoms of two shanks, the other side of each universal connecting ball is provided with a screw rod, and the other side of each screw rod is in threaded connection with the top of the side wall of the upper body part. The model is convenient to move, convenient to disassemble and assemble, convenient to convey and capable of saving occupied area. During use, the display model can make various poses, the display effect is improved, defects of garment and leather product design can be foundconveniently, and use requirements are met.

The invention discloses a belt conveyer and mobile crushing and sieving equipment, relates to the field of engineering machinery, and is used for improving the transport convenience of the mobile crushing and sieving equipment. The belt conveyer comprises a conveyer body and a first angle adjusting device, wherein the conveyer body comprises a conveyer section I and a conveyer section II which are rotationally connected; one end of the first angle adjusting device is connected with the conveyer section I, and the other end of the first angle adjusting device is connected with the conveyer section II; the first angle adjusting device can drive the conveyer section I to rotate relative to the conveyer section II. The belt conveyer can be folded, so that the whole conveyer is convenient to transport.

The invention relates to a textile yarn tensioning, adjusting and conveying integrated system. The textile yarn tensioning, adjusting and conveying integrated system comprises a workbench, a sleeving mechanism, a tensioning mechanism and a conveying mechanism, wherein the sleeving mechanism and the tensioning mechanism are installed on the upper end face of the workbench, and the conveying mechanism is arranged at the right side of the sleeving mechanism. According to the textile yarn tensioning, adjusting and conveying integrated system, the adopted tensioning mechanism drives yarns on rolling cylinders to move upwards to conduct primary tensioning, and then lifting plates move to enable the rolling cylinders to drive the yarns to conduct secondary fine adjustment tensioning, so that it is guaranteed that the yarns are not broken due to too large tensioning force; meanwhile, the yarns are tensioned, so that the stability of the yarns in the conveying process is guaranteed, and the phenomenon of conveying deviation or conveying failure caused by yarn looseness is avoided; and meanwhile, the conveying mechanism can convey the yarns in the corresponding grooves, so that the phenomenon that because the yarns are wound together, hard knots are caused is avoided.

The invention relates to the field of inspection and quarantine and aims to provide a dual fluorescent quantitative RT-PCR (Reverse Transcription-Polymerase Chain Reaction) detection kit for detectingPEDV-TGEV (Porcine Epidemic Diarrhea Virus-Transmissible Gastroenteritis Virus) nucleic acid. The kit comprises (1) an inverse transcription and fluorescent quantitative RT-PCR amplification mixed liquid, wherein the mixed liquid comprises an inverse transcription and fluorescent quantitative amplification primer and a probe and has sequence of SEQ ID NO: 1-6 as shown in the specification, and the inverse transcription primer is a 12 basic group random primer; (2) negative control; (3) positive control, wherein the positive control comprises positive control plasmid for the porcine epidemic diarrhea virus and the transmissible gastroenteritis virus. Compared with the prior art, the kit has the advantages of being high in flux, low in cost, good in specificity and high in sensitivity.

The invention discloses a symmetric Y-shaped steel branch pipe which comprises a main pipe, a left branch pipe, a right branch pipe and a crescent rib, wherein the main pipe comprises a main pipe straight pipe section, a main pipe transition pipe section and a main conical pipe section in sequential connection; the left branch pipe comprises a left branch conical pipe section, a left branch pipe transition pipe and a left branch pipe straight pipe section in sequential connection; the right branch pipe comprises a right branch conical pipe section, a right branch pipe transition section and a right branch pipe straight pipe section in sequential connection; the main conical pipe is connected with the left and right branch conical pipes respectively and tangent with a maximum common tangent ball; the left and right branch pipes are symmetric along the axle wire of the main pipe; the crescent rib is arranged at the position where the left and right branch conical pipe sections are connected; and all the pipe sections are in a same plane along the hemline of the longitudinal section of the axle wire. The symmetric Y-shaped steel branch pipe has the advantages of solving the problem that the bottoms of the original pipe sections are uneven and providing convenience for the free drainage and the traffic in the construction period and the overhaul period.

The invention relates to the technical field of steel structure painting, and discloses a steel structure painting device which comprises a painting box with openings on two sides. Treatment groups are arranged on the two sides of the painting box; each treatment group comprises a roller grinding mechanism and a painting mechanism positioned on one side of the roller grinding mechanism, wherein heroller grinding mechanism comprises a plurality of grinding rollers driven by a driving piece, and the painting mechanism comprises a manhole formed in the painting box, a first supporting plate anda second supporting plate are arranged on the two sides of the manhole correspondingly, a painting assembly is mounted on the first supporting plate, the painting assembly faces the middle of the painting box, and a plurality of air injection assemblies are rotatably mounted on the second supporting plate. The steel structure painting device has the simple structure and can quickly grind and painta steel structure.