36results about How to "Small size and light weight" patented technology

The invention relates to an on-site standard current transformer integrated device, for resolving the problems of the prior art such as disorder wiring, low safety, difficult motion, narrow detection range and low efficiency, which comprises a multi-ratio main current transformer (1) and a single-ratio auxiliary current transformer (2) for converting the secondary coil 5A of the current transformer into 1A cascade which are arranged at the left of a frame in a shell (7), and a current booster (6) at the right of the frame in the shell (7), wherein the hole of the annular iron core of the multi-ratio main current transformer (1) is opposite to the hole of the annular iron core of the current booster (6), the horizontal distance between the multi-ratio main current transformer (1) and the current booster (6) is 100 to 200mm, a front panel (4) is arranged between the multi-ratio main current transformer (1) and the current booster (6) and is provided with a through hole. The on-site standard current transformer integrated device has high integrality and fast on-site detection.

This application discloses a bridge-type cantilever crane with a suspended end beam trolley, which includes two end beams and two main beams, the ends of the two main beams are respectively connected to the two end beams; There is a set of cart driving device and a safety hook at each end; there is a pick-up frame between the tops of the two main girders, and the guide rails, pulleys and hanging cables are connected under the pick-up racks; rails are set under the two main girders ; The two rails are connected with the suspended end beam trolley; the cables on the suspended end beam trolley are connected with the hanging cables on the above-mentioned guide cable rail through the conductive frame; the trolley frame of the suspended end beam trolley is provided with a rotating mechanism; The boom shaft in the mechanism is connected with the cantilever member; there is a rotation limit device between the cantilever member and the trolley frame; the electric hoist is installed on the cantilever member and can move back and forth horizontally along the cantilever beam; the cantilever beam is under the two main beams And can rotate.

The invention discloses a miniaturized dynamic trajectory high-precision testing device. The first structure includes a communication antenna, a communication module, a positioning module, a power supply, a memory, and a positioning antenna; the communication module, the memory, and the positioning antenna are all connected to the positioning module, and the communication The antenna is connected with the communication module, and the power supply supplies power to each component. The second structure includes an air part and a ground part. The air part includes a radio module, a communication antenna, a positioning module, a power supply, a memory and a positioning antenna; the communication antenna, the memory and the positioning antenna are all connected to the positioning module, and the radio module is connected to the communication antenna. The power supplies power to each component; the ground part includes the RTK base station with a built-in radio or the RTK base station with an external radio, and the radio communicates with the radio module. The invention has the advantages of simple structure, small volume and light weight, and meanwhile, the positioning antenna and the RTK base station can realize centimeter-level positioning.

The invention belongs to the field of large steel pipe carrying, and particularly relates to a large steel pipe temporary transfer device for construction. The temporary transfer device comprises a portal frame, a holding plate A, a holding plate B, a worm, a worm gear and the like, and a moving device is mounted on the portal frame. Due to the fact that the device only acts on one end of a largesteel pipe, the device is small in size, light in weight, convenient to operate and free in steering; due to the fact that the size is small and the mass is light, the occupied space is small, and thefoldable clothes hanger is convenient to store after being used. Besides, after the large steel pipe is completely wrapped by the holding plate A, the two ends of the holding plate A are equal to theoverlapped parts of the portal frame respectively, so that the two ends of the holding plate A are stressed uniformly, and the large steel pipe is effectively supported; by means of the structure, the holding plate A is not prone to deformation after being pressed by the large steel pipe for a long time, the service life of the holding plate A is prolonged, and the maintenance cost of equipment is reduced.

The invention relates to an unmanned aerial vehicle recovery damping airbag. The unmanned aerial vehicle recovery damping airbag comprises a vehicle body, airfoils and an airbag buffer device, the airfoils are fixedly mounted on the vehicle body, and the airbag buffer device is mounted on the vehicle body and comprises a collection box, an air inlet and outlet pipeline, an air inlet fan and an airbag body. The unmanned aerial vehicle recovery damping airbag is specifically structurally characterized in that the collection box with a lower opening is fixedly mounted on one airfoil, the air inlet and outlet pipeline is mounted between the collection box and the vehicle body, one end of the air inlet and outlet pipeline is connected with the air inlet fan fixedly mounted on the vehicle body, and the other end of the air inlet and outlet pipeline extends into the collection box and is hermetically connected with the airbag body folded in the collection box. The airbag comprises an inflatable bag body made of inelastic, soft and airtight materials, and the airbag buffer device can not only absorb and release sufficient impact energy and reduce landing impact load of an unmanned aerial vehicle, but also avoid rebound during landing, so that the unmanned aerial vehicle can descend and ground stably during landing and lands safely.

This application discloses a crane with a running trolley and a balanced end beam that can rotate at any angle, including a double-girder bridge frame composed of two end beams and two main beams; one of the main beams is equipped with a power frame and hanging cables on the outside There is a track above the main beam, and the running trolley is connected to the track; the end beam is connected by two balanced end beams and a connecting rod in the middle; one end of the balanced end beam is connected to the driving device of the cart, and the other end is connected to the passive wheel set; Both ends of the beam are connected with a set of horizontal wheel devices; the outer sides of the two main beams are equipped with side rails; the gap below the side rails is connected with a safety hook, and the safety hook is connected to the running trolley; the running trolley is equipped with a rotating mechanism; The thrust bearing is connected to the upper part of the bearing seat; the lower end of the boom shaft in the rotating mechanism is connected to the cantilever member, and the upper end is connected to the collector slip ring; the electric hoist is installed on the cantilever member and can move back and forth along the cantilever beam; the cantilever beam is on the main beam bottom and can be rotated at any angle.

The invention belongs to the technical field of medical apparatus and instruments, in particular to a nuclear medical X-ray machine. The nuclear medical X-ray machine comprises a support, a 238Pu low-energy photon source, a 241Am low-energy photon source, an anti-scattering screen, a shielding protection plate, a photographic film holder, an examination bed, a programmable control type operating table, a storage battery pack, a DC low-voltage power supply and the like, wherein the two low-energy photon sources are complementary. The nuclear medical X-ray machine provides marking X-ray or single-color X-ray radiation rather than the continuous X-ray spectrum of bremsstrahlung of the traditional X-ray machine to diagnose human organs, and the nuclear medical X-ray machine can form a high-contrast sharp image on a photographic film. The invention overcomes the defect that the dose commitment of examinees and X-ray workers is aggravated because the traditional X-ray machine and the CT (Computed Tomography) machine have diagnosis radiation and scattering radiation on non-examined human organs and can save about 90% of electric energy. The invention has the advantages of clear imaging, low energy consumption, safety, small size, light weight and the like.

This application discloses a cantilever crane with a suspension trolley and a balanced end beam anti-tipping, including a double-girder bridge frame; the double-girder bridge frame includes an end beam and a main beam; the end beam is connected by two balanced end beams and a connecting rod in the middle. One end of the balanced end beam is connected to the driving device of the cart, and the other end is connected to the passive wheel group; two ends of the end beam are respectively connected to a set of anti-tipping device; there is a track under the main beam; there is a car stop on the track; The suspended end beam trolley is equipped with a buffer; the suspended end beam trolley is equipped with a rotating mechanism; the boom shaft in the rotating mechanism is connected with the cantilever member; the electric hoist is installed on the cantilever member and can move back and forth horizontally along the cantilever beam; the cantilever An electrically driven car stop device is arranged on the beam, and the cantilever beam is located under the main beam and can rotate.

The invention relates to the technical field of vehicle locks, in particular to an electric intelligent lock and a riding bicycle with the electric intelligent lock. The electric intelligent lock comprises a lock shell, a first lock rod, a second lock rod and a motor fixed in the lock shell. The outer end of the first lock rod is provided with a first spring bolt part, and the inner end of the first lock rod is provided with a first lock handle part. The outer end of the second lock rod is provided with a second spring bolt part, and the inner end of the second lock rod is provided with a second lock handle part. The first lock handle part and the second lock handle part are located in the lock shell, and the first spring bolt part and the second spring bolt part stretch out to the outer portion of the lock shell. The first spring bolt part and the second spring bolt part are mutually oppositely arranged. The motor is utilized for driving the first lock handle part and the second lockhandle part to oppositely get close to each other or get away from each other through a transmission mechanism at the same time, the first spring bolt part and the second spring bolt part do the opposite closing or opening displacement movement, and accordingly, the intelligent lock can be automatically opened and closed. Meanwhile, the structure is simple and compact, few components are needed, the fault rate is low, the size is small, the weight is small, and cost is low.

The application discloses a cantilever crane with a lifting trolley, a suspension trolley and a balanced end beam, including a double-girder bridge frame; the double-girder bridge frame includes an end beam and a main beam; the end beam is connected by two balanced end beams and a connecting rod in the middle. One end of the balanced end beam is connected to the driving device of the cart, and the other end is connected to the passive wheel group; two ends of the end beam are respectively connected to a set of horizontal wheel devices; the lifting trolley and the suspension trolley are connected to the track below the main beam; the suspension trolley is equipped with a belt fan. Gear-driven rotating mechanism; the lower end of the boom shaft in the rotating mechanism is connected to the cantilever member, and the upper end is connected to the collector slip ring; the electric hoist is installed on the cantilever member and can move back and forth along the cantilever beam; the cantilever beam is located under the main beam and can be arbitrarily The two end girders on the double-girder bridge frame are respectively connected to one electric frame, and two steel cable rails are connected between the two electric frame, and the steel cable rails are equipped with movable hanging cables.

The application discloses a crane with a suspension trolley and a balanced end beam that can rotate at any angle, including a double-girder bridge frame; the double-girder bridge frame includes an end beam and a main beam; the end beam is connected by two balanced end beams and a connecting rod in the middle One end of the balanced end beam is connected to the driving device of the cart, and the other end is connected to the passive wheel set; two ends of the end beam are respectively connected to a set of horizontal wheel devices; the suspension trolley is connected to the track under the main beam; the suspension trolley is equipped with fan gears The rotating mechanism of the transmission; the lower end of the boom shaft in the rotating mechanism is connected to the cantilever member, and the upper end is connected to the collector slip ring; the electric hoist is installed on the cantilever member and can move back and forth along the cantilever beam; the cantilever beam is located under the main beam and can be rotated at any angle. Rotation; the two end girders on the double-girder bridge frame are respectively connected to a power pick-up frame, and the steel cable rails are connected between the two power pick-up frames, and hanging cables are connected to the steel cable rails.

The invention discloses a rotary folding environmental friendly repeatedly fruit protector during growth. The rotary folding environmental friendly repeatedly fruit protector during growth is characterized by comprising at least six arc support rods and two arc side edges, upper portions of the support rods and the arc side edges are hinged together, lower portions of the arc support rods and the arc side edges are hinged together, the two arc side edges can rotate along the hinge joint to get close, the two arc side edges can clamped together through a buckle, contact faces of the two arc side edges are provided with rubber sealing strips, the arc support rods can rotate along the hinge joint and are distributed at equal intervals, a foldable film connected with the arc support rods and the arc side edges covers around the arc support rods and the arc side edges to form a ball like chamber, and one edge of the two side edges is provided with a fruit stem hole. The rotary folding environmental friendly repeatedly fruit protector during growth is simple and quickly in mounting process, hard to deform and damage, can be repeatedly used for many times, the average cost is reduced while the energy consumption is reduced, and the protector is better in environmental protection.

The invention relates to an on-site standard current transformer integrated device, for resolving the problems of the prior art such as disorder wiring, low safety, difficult motion, narrow detection range and low efficiency, which comprises a multi-ratio main current transformer (1) and a single-ratio auxiliary current transformer (2) for converting the secondary coil 5A of the current transformer into 1A cascade which are arranged at the left of a frame in a shell (7), and a current booster (6) at the right of the frame in the shell (7), wherein the hole of the annular iron core of the multi-ratio main current transformer (1) is opposite to the hole of the annular iron core of the current booster (6), the horizontal distance between the multi-ratio main current transformer (1) and the current booster (6) is 100 to 200mm, a front panel (4) is arranged between the multi-ratio main current transformer (1) and the current booster (6) and is provided with a through hole. The on-site standard current transformer integrated device has high integrality and fast on-site detection.

The oxyhydrogen inhaler comprises a main body, and a circuit system, an internal supporting system, a water path system and a gas path system are installed in the main body; the invention relates to the technical field of oxyhydrogen inhalation in the fields of human body medical treatment and health care, and the scheme has the beneficial effects that 1, the use condition is wide and is not limited, and the sealing structure system is reasonable; 2, the oxyhydrogen inhaler is small in unit oxyhydrogen discharge volume, light in weight, convenient and durable; 3, the hydrogen-oxygen inhaler adopts a spatial three-dimensional design, the calculation is optimized, and the layout of a water path, a gas path and a circuit system is reasonable and compact; 4, the water body volume per unit oxyhydrogen flow is large, the supplied water temperature is low, the effect is good, and harmful ions are not easily generated by dissimilatory reaction; 5, the circuit board is reasonable in matching of commercial power 220v, direct current 12v and direct current 4v, small in size, light in weight, high in printed circuit integration degree, reasonable in design, safe and reliable; and 6, the oxyhydrogen inhaler does not adopt a commercial power 220V direct control CPU power switch, so that no hidden danger is brought to equipment power supply.

The invention belongs to the field of large-scale steel pipe transportation, and particularly relates to a large-scale steel pipe temporary transfer device for construction, which includes a door frame, a holding board A, a holding board B, a worm and a worm wheel, etc., wherein a moving device is installed on the door frame; the present invention Because it only acts on one end of the large steel pipe, it is small in size and light in weight, easy to operate, and free to turn; because it is small in size and light in weight, the space occupied by the present invention is small, and it is convenient after the use of the present invention Collection and safekeeping. In addition, after the holding plate A completely covers the large steel pipe, the two ends of the holding plate A are equal to the overlapping parts of the door frame, so that the force on both ends of the holding plate A is even, and it forms an effective support for the large steel pipe; this structure The holding plate A is not easily deformed under the long-term pressure of the large steel pipe, the service life of the holding plate A is prolonged, and the maintenance cost of the equipment is reduced.

A multi-turn absolute position detection torque angle sensor module according to the present invention includes a main gear magnet which includes a first magnet part in which a master track and a nonius track which are formed of straps, in which magnets having different polarities are alternately disposed, are vertically disposed on a circumferential surface portion of the first magnet part and the polarity distributions of the master track and the nonius track are disposed to be shifted from each other by a difference of one or more polarities, wherein a main gear is disposed at an upper side and connected to one side of a torque shaft, a pinion gear magnet connected to the main gear and including a second magnet part including a pinion gear of which the number of gears is less than the number of gears of the main gear and a magnet installed on the pinion gear, a circuit substrate disposed under the main gear magnet and the pinion gear magnet, first and second sensor parts disposed on the circuit substrate to detect magnetic forces of the first and second magnet parts, respectively, and a case which is vertically coupled and has an accommodation space accommodating the main gear magnet, the pinion gear magnet, and the circuit substrate and through which the torque shaft passes.