35results about How to "Scientific and reasonable structure setting" patented technology

The invention provides a collision test device and relates to a test device. The collision test device aims at solving the problems that an existing collision test device is complex in structure, capable of conducting emission only through matching between a balancing body and a collision body, low in gunpowder utilization rate and serious in pollution to a test field. According to the collision test device, a working table is horizontally arranged and fixedly connected to a foundation; a first base, a second base and a third base are sequentially and fixedly connected to the working table; a first braking unit is mounted on the first base; a second braking unit is mounted on the second base; a counter-recoil unit is mounted on the third base; a transmitting tube body penetrates through the first braking unit, a first transmitting tube through hole, the second braking unit, a second transmitting tube through hole, the counter-recoil unit and a third transmitting tube through hole in sequence, and the transmitting tube body, the first transmitting tube through hole, the second transmitting tube through hole and the third transmitting tube through hole are arranged in a spaced mode. The collision test device is scientific and reasonable in structural design and low in manufacturing cost and is applied to high-speed large-mass collision physical tests, and the transmitting track of the collision body is accurate.

The invention discloses a searching and rescuing grabbing device of a game model helicopter and relates to the searching and rescuing grabbing device. The searching and rescuing grabbing device aims at solving the problems that due to a specific competition field and strict rules, the flexibility of the used searching and rescuing device of the model helicopter is poor in competition, the time consumed in putting substances is long in a substance grabbing process due to the poor flexibility, and the requirement of competition can not be met. A driving gear and a driven gear are both arranged on a landing gear, the driving gear is meshed with the driven gear, a power source module, an information processing module, a first steering engine and a second steering engine are arranged at one end of a rotating arm in sequence, an output shaft of the second steering engine is sleeved with the driving gear, a slide block is arranged on the rotating arm and matched with a slide rail in a sliding mode, an output shaft of a third steering engine is hinged to one end of a rocker arm, the other end of the rocker arm is fixedly connected with a grabbing component, a fourth steering engine is arranged on the rocker arm, and the other end of a rope is connected with an output shaft of the fourth steering engine after surrounding the circumference direction of a soft clamping port for a round. The searching and rescuing grabbing device of the game model helicopter is used in disaster simulation rescue.

The invention discloses an all-terrain mine clearance and removal device. The all-terrain mine clearance and removal device comprises a traveling supporting board, two main caterpillar band drive mechanisms and four auxiliary caterpillar band drive mechanisms, wherein the traveling supporting board is provided with a rotary workbench; the rotary workbench is connected with a steering engine located on the traveling supporting board and used for enabling the steering engine to rotate by 360 degrees; and the rotary workbench is provided with a mine clearance mechanism and a mine removal mechanism. Through arrangement of the main caterpillar band drive mechanisms and the auxiliary caterpillar band drive mechanisms, the mine clearance and removal device can travel on complex terrains and achieve all-terrain traveling, because the mine clearance mechanism and the mine removal mechanism are further arranged, mines can be automatically positioned and recognized and then removed, existing complex mine clearance modes like manual mine clearance are changed, operation is automatic and mechanical, the mine clearance and removal efficiency is high, the mine clearance and removal effect is good, and the safety performance is high.

The invention relates to a production device for a natural dry casing. The production device for the natural dry casing comprises a rack, wherein a plurality of layers of casing support frames are sequentially arranged on the rack from top to bottom; the casing support frames are parallel and horizontally arranged; each casing support frame comprises a plurality of casing support strips which arearranged at intervals; the casing support strips are inflation tubes; two ends of the inflation tubes are detachably connected with the rack; and inflation units and pressure relief units are correspondingly arranged on the inflation tubes. The production device provided by the invention has scientific and reasonable structure design; the drying field can be obviously saved and the drying efficiency can be improved during the drying process of the casing, the casing can be completely and rapidly peeled off after the drying is finished, the yield of products is effectively improved, and the casing is convenient to popularize and use in large areas.

The invention discloses a clothes display device adopting a ballscrew to push and pull. The clothes display device comprises upper and lower display racks. An upper exhibition rack comprises an upper display rod with multiple limiting bosses, and upper display support rods arranged on two ends of the upper display rod. Two upper support rods are provided with installing racks fixed on fixed objects. A lower display rack comprises two lower support rods, and a lower display rod with multiple clothes hangers. The two installing racks are connected with double-acting air cylinders connected to one upper display support rod and connected to a lower display support rods. The display rack comprises upper and lower layers of display racks so that many clothes of all sizes can be hung. By the ballscrew connected to a driving unit, the upper and lower display racks can be mechanically staggered so that good display effect is obtained and the rack looks attractive and a customer can see clearly all display clothes. Conflicts are avoided and buy desire is improved. The clothes display device is worthy of broad promotion by improving economic benefit.

The invention discloses a minimally invasive positioning tool for a laparoscopic surgery and a protected supporting and positioning method of the tool, and relates to a minimally invasive positioning tool and a minimally invasive surgery method. A pneumoperitoneum operation mode of an existing laparoscopic surgery is very harmful to human bodies and large in wound, surgical difficulty and dangerousness are increased, other pneumoperitoneum modes are very harmful to patients and cause many complications, and standard operation is difficultly realized as an affected part of an abdominal cavity needs to be cut by the aid of experience of a doctor due to a narrow surgical field. A unilateral slide can be connected with a detachable base, a movable base is in sliding fit with the unilateral slide, a supporting component is arranged on the movable base, a buffer type guide head is arranged at one end of an intubation tube, a gas filled bag is arranged inside the intubation tube and communicated with a gas source, and a plurality of slot holes are formed in the intubation tube. The protected supporting and positioning method is characterized in that the gas source is started, gas flow with a gas pressure value P is led into the gas filled bag of the intubation tube, and the gas filled bag is filled with gas to form multi-point supporting or arc-shaped supporting. The minimally invasive positioning tool and the protected supporting and positioning method are used for the laparoscopic surgery.

The invention discloses a hand-slid hanging garment display rack, comprising upper and lower display racks; the upper display rack comprises an upper display bar, the upper display bar is provided with a plurality of limiting terraces, two ends of the upper display bar are each provided with an upper display support bar, the two upper display support bars are each provided with a mounting rack fixable to a fixture, the lower display rack includes two lower support bars and a lower display bar, the lower display bar is provided with a plurality of clothes hooks along its length, the two mounting racks are each connected with an elastic belt, one elastic belt is connected to one upper display support bar, the other elastic belt is connected to one lower display support bar, and the upper and lower display racks are each provided with an extending mechanism. The hand-slid hanging garment display rack comprises the upper and lower display racks, is available for hanging many garments of various lengths, has good displaying and attractiveness, can avoid bump of customers, enables greatly improved desire of customers for purchase and improved economic benefit, and is high in practicality and worthy of the wide range of popularization.