31results about How to "Expand the operating horizon" patented technology

The invention discloses a disengagement device for a large unmanned aerial vehicle. The disengagement device comprises a body, a push rod motor, a feedback module and a receiving module. The body comprises a lock arranged at one end and a connecting mechanism located at the other end, and the lock and the connecting mechanism are used for being connected with the unmanned aerial vehicle and a launching cradle respectively. The push rod motor is contained in a cavity of the body and provided with a telescopic push rod and can stretch into the lock of the body or retract from the lock. The feedback module is arranged in the cavity of the body and used for detecting the locked or disengaged connecting state of the push rod motor and the lock in real time and feeding the connecting state to an external control platform. The receiving module is arranged in the cavity of the body, electrically connected with the push rod motor and used for receiving an external control signal and sending the external control signal to the push rod motor to drive the push rod motor to stretch into the lock or retract from the lock so as to control the connecting state of the push rod motor and the lock. The invention further discloses a corresponding disengagement take-off method. By means of the disengagement device and the disengagement take-off method, stable and reliable connection in the unmanned aerial vehicle loading and transporting and lunching processes can be effectively guaranteed; besides, effective and reliable disengagement in lunching can be guaranteed.

A method for detecting antiallergic effect of compounds comprises the following steps: placing fertilized chicken eggs, which are sterilized by 75% alcohol in an incubator with humidified water pond to incubate the fertilized chicken eggs for 75-100h; opening egg shells; moving chick embryos into a sterile glass plate with diameter of 75-90mm; pre-adding buffer solution pre-heated to 37 DEG C foropening shells into the plate; selecting and placing chick embryos with un-damaged vitelline membrane into a constant-temperature incubator at 37.5 DEG C to continuously incubate the chick embryos tothe 8th to 15th day; grouping the chick embryos randomly; placing the chick embryos into the constant-temperature incubator to continuously incubate the chick embryos after adding compounds to be tested; when the chick embryos is incubated for 1h or 12h or 24h or 48h, adding materials which have stimulation to chick embryo allantoid vitelline membrane veins; assessing the changes of veins according to simulating factors; and calculating the suppression ratio of antiallergic compounds with different concentration. The method is simple, cheap and clear in observed index.

The invention discloses a trolley special for cow hoof trimming. The trolley comprises wheels and a trolley base plate. A roller-shaped trolley box rack is arranged in an arc-shaped groove of the center area of the trolley base plate, a crescent-shaped movable supporting plate on the bottom section of the trolley box rack is provided with a trapezoidal groove in the front-rear direction, and the movable supporting plate and an upper section trolley box rack are movably connected; n-shaped binding racks are arranged in the upper section trolley box rack side by side front and back, and binding belts are arranged on the bottom sections of four side stand columns of each n-shaped binding rack. The two ends of the trolley box rack are opened, an annular gear ring is arranged on the front-end side wall of the trolley box rack, and the trolley base plate is provided with a motor and a transmission gear which is engaged with the annular gear ring. The trolley special for cow hoof trimming has the advantages that by the adoption of the roller-shaped trolley box rack, various body positions of cows can be switched stably, and width adjusting sleeves on the n-shaped binding racks can meet the needs of the cows with different body shapes; due to the arrangement of the movable supporting plate, the hoof areas of the cows can be fully exposed, and the operating field of view is widened; backing plates are attached to the inner sides of the stand columns on the right side so that the cows can feel more comfortable in a side-lying state.

The invention relates to a remote wireless remote control device, a crane outrigger control system and a method thereof. The remote wireless remote control device includes: a radio signal for sending a corresponding radio signal corresponding to a crane outrigger control command, including: an encoding circuit (11) and a radio frequency transmitting circuit ( 12), the coding circuit (11) is used to convert the crane outrigger control command into a coded signal; the radio frequency transmitting circuit (12) is used to amplify the coded signal and send it to the receiver. The remote wireless remote control device of the present invention enables personnel to operate freely and effectively at any position near the crane on the ground, solves the disadvantage that the operation can only be performed in the control room, avoids the inconvenience caused by personnel going up and down the control room, and effectively reduces Labor intensity; and the way of operation on the ground can greatly improve the operating field of vision, eliminate blind spots in the field of vision, and can fully observe the movement of the horizontal outriggers and vertical cylinders, thereby improving the operational safety of the crane.

The present invention relates to the technical field of medical devices, in particular to a catheter for taking a ureteral stent, including a catheter, an elbow part, an end part, a protective sealing plate, a perfusion channel, grasping forceps, a main pipe, a perfusion tube, an optical fiber access tube and a bladder Mirror, the right end of the catheter is fixedly connected to the left side of the elbow part, the right side of the elbow part is fixedly connected with the left side of the end part, and a working channel is opened in the middle of the lower part of the end part , a fiber channel is opened in the middle of the upper half of the end part. The present invention achieves the purpose of reusable use of the fiberscope in the postoperative shell, without any contact with human tissue without hindering the operation field of view generated by the optical fiber, so it can meet the requirement of one-time use, with low cost and price, no Pollution is generated, so after the operation, the fiberscope does not need to be sterilized and can be operated continuously.

The invention belongs to the technical field of agricultural machinery and particularly relates to a vegetable field operation power machine which is used for dragging vegetable field operation agricultural machines and implements. The power machine comprises a front wheel (1), a rear wheel (6), a hydraulic motor (8), an engine heat radiator (10), an engine (11), a diesel tank (12), a hydraulic pump (13), a hydraulic oil bulk assembly (14), a seat (15), a steering wheel (16), a supporting frame (19), a frame (20), a swinging bridge (2), a transverse swinging frame (3) and an inter-axis suspension device (4). The vegetable field operation power machine provided by the invention can be used for dragging various types of field operation agricultural machines and implements and can freely walk between narrow-line rows of relatively high crops; and the operation view of a driver is expanded and multifunction of the agricultural machinery is realized.

The invention discloses an illumination cannula device for a small animal, which comprises an LED (Light-Emitting Diode) light source, wherein the front end of the LED light source is connected with a light-guide fiber joint; the front end of the light-guide fiber joint is connected with a light-guide fiber; an optical fiber stabilizing device, a three-way tube and a trachea cannula which are connected with one another are sleeved in sequence at positions close to the front tail end of the light-guide fiber from back to front; the three-way tube is laterally connected with an injector which is communicated with the trachea cannula; and the front tail end of the light-guide fiber is accommodated in the trachea cannula. The illumination cannula device for the small animal disclosed by the invention has the advantages of smaller damages to the tracheae of animals, realization of high animal survival rate, wide view field, sufficient light rays and higher accuracy of insertion of the hose into the trachea cannula.

The invention discloses a rope fixing structure, a surgical instrument, a split surgical device and a robot. The rope fixing structure includes a first traction rope, a second traction rope, a rigid connector and a locking sleeve. The rigid connecting piece is provided with a first rope groove and a second rope groove, and the first rope groove and the second rope groove intersect to form at least one intersection point. The first traction rope is embedded in the first rope groove and extends from the first end of the rigid connector, and the second traction rope is embedded in the second rope groove and extends from the first end of the rigid connector. At the intersection point, the first traction rope or the second traction rope protrudes from the surface of the rigid connector, and the locking sleeve is set on the surface of the rigid connector. At the intersection point, the locking sleeve is connected to the first traction rope or the second traction rope. Interference fit. The present invention uses two traction ropes to cross and overlap to form bumps to form an interference fit connection relationship. It does not require the use of many other accessories. The fixing structure is relatively simple and compact, which is conducive to expanding the operating field of view of surgical instruments.

The invention relates to the technical field of sewing machines, in particular to a sewing material thickness modular detection device and a sewing machine comprising the sewing material thickness modular detection device. The sewing material thickness modular detection device includes: a support body, the support body and the sewing machine body are separate parts independent of each other and has a mounting part for detachable connection with the sewing machine body, and a closed accommodation space is formed inside the support body; A body, which can be movably arranged in the accommodation space, one end of the movable body extends out of the accommodation space and is located above the sewing material, when the thickness of the sewing material changes, the movable body moves through the contact between the sewing material and the movable body; and detection The mechanism is arranged in the accommodation space, and is used for detecting the movement range of the movable body and sending the detection information to the control module of the sewing machine body. Both the movable body and the detection mechanism are arranged in the accommodating space of the supporting body to form an independent modular device and form a closed overall structure with good dust-proof effect and convenient disassembly and assembly.