39results about How to "Reduce the chance of tipping over" patented technology

The invention discloses a vehicle warning device capable of automatically detecting a highway guardrail position. The vehicle warning device comprises a warning board and a warning board installation base, wherein the warning board installation base is provided with a power supply module, and the vehicle warning device also comprises a distance measurement module capable of measuring a distance from the warning board installation base to the highway guardrail position, and the distance measurement module is electrically connected with the power supply module. The warning board is high in arrangement speed, the intelligence degree is high, the manual intervention is reduced, the moving route is precise, the vehicle warning device can be well adaptive to the unfavorable weather condition and curve road conditions, the windproof performance is good, the warning board is flexible and diversified in transport way and is adaptive to different road conditions and weather situations, the warning board can be rapidly moved to a designated place, the warning board can be automatically restored after rolling over, and the cost is low.

The present invention relates to an aseismatic support unit, and more particularly to an aseismatic support unit capable of being easily and fitly in-situ assembled to become an aseismatic system. The aseismatic support unit is mounted between a base and a loaded article, comprising a lower support member, an upper support member and a plurality of aseismatic units mounted therebetween. Each of the aseismatic units includes a lower carry member having an upward carry surface, an upper carry member having a downward carry surface and a support roller mounted therebetween. When an earthquake happens, shakes are transmitted from the base. Then, the aseismatic support unit of the present invention diminishes the extent of the shakes of the load article placed over the upper support member and thus prevent the loaded article from overturn and damage as a result of the earthquake.

An article of luggage comprises a suitcase (1) having a substantially cuboid fabric structure (10) defining an enclosable storage volume (20), the fabric structure (10) supported by frame (100). Also mounted upon the supporting frame (100) are a set of wheels (150) and an upward and rearward projecting towing handle (140). The suitcase (1) is stable in an upright position and a user may incline the suitcase (1) rearward from the upright position to wheel the suitcase along. In view of the inclination of the handle (140), the suitcase (1) need not be orientated far from the vertical when being wheeled by a user. As such, the user need not support a significant proportion of the weight and the suitcase (1) is less readily upset by an uneven surface. The handle (140) may be fixed but is preferably telescopic allowing it to be retracted and thus allowing suitcase (1) to be packed more easily in a confined space. The towing handle can be arranged inside the storage volume (20) via a cover (21) that can be tightly covered again. The cover (21) includes almost a whole front portion (15) and about a half of forward portion of a side surface (13). The supporting frame (100) comprises a plurality of stretching members connected together, so that a support pedestal (110) and the top of a support (120) are separated by a diagonal line length member (130) connected between the front portion of the pedestal (110) and the rear portion of the top (120). The handle (140) is arranged on the diagonal line length member (130). The wheels (150) are arranged on the support pedestal (110).

The invention relates to the technical field of railway traffic, in particular to a railway vehicle. The railway vehicle comprises a transmission shaft and a bogie frame, the bogie frame comprises a beam provided with a longitudinal groove, and the transmission shaft passes through the longitudinal groove through erecting to locate at the same height region with the bogie frame. Through forming the longitudinal groove structure in the beam, the beam can pass through the longitudinal groove in an erecting mode, and therefore, the longitudinal space occupied by the transmission shaft and bogie frame is integrated, the overall height and gravity center of the railway vehicle are lowered, and the running stability, safety and riding comfort of the railway vehicle are obviously improved.

The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to an amphibious landing gear for an unmanned aerial vehicle. The problems of small application rangeof an existing landing gear for an unmanned aerial vehicle and poor protection effect on the unmanned aerial vehicle are solved. According to the following scheme, the amphibious landing gear for theunmanned aerial vehicle comprises a base. Sleeves are fixed to both sides of the inner wall of the top of the base through screws, and a first sliding groove and a second sliding groove are formed inthe inner walls of the two sleeves separately. A first sliding rod and a second sliding rod are slidably connected to the inner wall of the first sliding groove and the inner wall of the second sliding groove separately. A supporting wheel is connected with the inner wall of the second sliding rod in a sleeving mode. A rotating frame is connected to the outer wall of the bottom of the first sliding rod through a hinge, and universal wheels are fixed to two sides of the outer wall of the bottom of the rotating frame through screws. According to the amphibious landing gear for the unmanned aerial vehicle, the stability of the base on the water surface can be improved, the possibility of tilting and rolling over of the base can be reduced, the tilting angle of a fixing plate can be effectively reduced, the stability of the unmanned aerial vehicle can be improved, and the protection effect on the unmanned aerial vehicle is improved.

The invention discloses an anti-toppling test tube storage box for biotechnology. The anti-toppling test tube storage box comprises a square outer box body; a box cover is mounted on one side of the outer box body; a spherical inner box body is rotationally mounted in the outer box body; the sphere center of the inner box body is located at the center point of the outer box body. The outer wall isin sliding contact with the inner wall of the outer box body through a sliding assembly; the sliding assembly comprises a plurality of mounting blocks; the mounting blocks are fixedly connected withthe inner wall of the outer box body; a rolling ball is embedded in the side, close to the inner box body, of the inner box body in a rolling mode, the rolling ball makes rolling contact with the outer wall of the inner box body; a balance weight piece is mounted under the inner box body, so that the gravity center of the inner box body is at bottom; a groove is formed in the position over the inner box body, and a containing groove used for containing a test tube body is formed in the bottom wall of the groove. When the outer box body inclines, the inner box body can rotate relative to the outer box body, the balance weight piece can be kept at the position under the balance weight piece, then the inner box body cannot incline along with the outer box body, and thus reagents in a test tube can be prevented from flowing out.

The invention discloses a telescopic control system and method for support oil cylinders and mechanical equipment. The telescopic control system comprises the multiple vertical support oil cylinders. The vertical support oil cylinders (1a) comprise the first vertical support oil cylinders and the second vertical support oil cylinders with the telescopic action start speed lower than that of the first vertical support oil cylinders. Rod end chambers of the vertical support oil cylinders (1a) are connected with first work oil ways (2) respectively, non-rod chambers of the vertical support oil cylinders (1a) are connected with second work oil ways (3) respectively, and the first work oil ways (2) and the second work oil ways (3) of the vertical support oil cylinders (1a) are connected to a shared hydraulic oil supply element through corresponding reversing control valves. At least the first work oil ways (2) of the first vertical support oil cylinders or the second work oil ways (3) are provided with flow control valves, and the hydraulic oil conveying resistance of the first vertical support oil cylinders is adjusted through flow control over the flow control valves.

The invention discloses a scaffold with adjustable height. The scaffold comprises four sets of mounting pipes, lifting rods are arranged in the mounting pipes, cross rods are jointly mounted at the tops of the two sets of lifting rods at the same end, pin holes are evenly formed in the outer sides of the lifting rods, a scaffold assembly is jointly arranged at the tops of the two sets of cross rods, and two groups of second bearings are symmetrically arranged at the bottoms of the outer sides of the four groups of mounting pipes. According to the scaffold with the adjustable height, through cooperative use of a lifting adjusting assembly, a lifting rod, a connecting plate, the pin holes and a second steel pipe buckle, an operator stands on the top of the connecting plate, two hands support the scaffold assembly upwards, a second operator manually pulls a hand pulling pipe, and after the operator manually lifts or lowers the scaffold assembly, the operator only needs to push the hand pulling pipe towards the outer side of the scaffold with feet, plug pins can be rapidly clamped into the corresponding pin holes, and therefore the height of the scaffold can be rapidly adjusted and fixed.

The invention discloses an overwater surveying and mapping device for ocean engineering surveying and mapping, and belongs to the technical field of flow measurement. The device comprises a surveyingand mapping ship body, detection equipment, a propeller and a power supply for supplying power to all electrical elements, and an obstacle avoidance element, an anti-winding element and an anti-tipping element are arranged on the surveying and mapping ship body. Through the detection equipment, the detection of the ocean current flow velocity in a shallow water environment and a deep sea water area can be met, and relevant parameters are obtained, so the marine condition can be known conveniently, the application range of the detection equipment is greatly expanded, and the detection equipmentis widely applied to various application occasions such as water transportation safety guarantee and underwater navigation and positioning and has the advantages of being accurate in measurement, stable in operation, safe and reliable.

The invention belongs to the A47G19/10 field. A glass for children comprises a glass body and a first sucker, wherein the glass body comprises an inner glass part and an outer glass part, the inner glass part is fixed to the bottom of the outer glass part and located in the outer glass part, and the first sucker is fixed to the bottom of the outer glass part. When children use the glass, the glass is fixed to a table through the first sucker, children can drink water with a straw or other tools, and therefore the probability that the glass is knocked down by children is reduced. Due to the fact that the glass body is divided into an inner glass part and an outer glass part, the heat insulation effect of the glass body is effectively improved, and children are prevented from being scalded by water. Compared with traditional glasses for children, the glass has the advantages that safety performance and protection performance are higher, and the probability that the glass is knocked down by children is effectively reduced.

A container including an outer shell (3), a flexible bag (5) within the outer shell (3), a mouth (7), and a handle (25). The outer shell (3) has a top, a bottom and sidewalls. The outer shell (3) also defines an opening (48). The flexible bag (5) within the outer shell (3) defines an aperture. The mouth (7) is sized and shaped such that fluid can be poured through the mouth (7) from a source having an outlet spaced above the mouth (7). The handle (25) extends outward from said top of said outer shell (3) and has sufficient strength to provide essentially all support for said container when the bag (5) is filled with liquid in either of two positions, with the first position being where the opening (48) is facing upwards and the second position being where opening (48) is facing sidewards. Desirably, the mouth (7) and opening (48) are sized and shaped such that when the opening (48) is facing upwards the human eye can detect when a level of fluid in the container is approaching the mouth (7).

The invention discloses a stackable pallet. The pallet comprises a bearing surface and a back surface opposite to the bearing surface, and particularly comprises a central flat part and a ridge part located on the periphery of the central flat part, wherein the ridge part protrudes out of one side of the bearing surface of the central flat part, and the back surface of the ridge part comprises at least one bulge. That is to say, when a plurality of pallets are stacked up and down, the ridge parts on the peripheries of the central flat parts ensure the stability of the multiple stacked pallets, the bulges on the back surface of the upper pallet abut against the bearing surface of the ridge part of the lower pallet, the contact area between the two pallets is small, the frictional resistance is small when the pallets are separated from one another, and consequently the probability that the pallets are stuck and even turned over when separated from one another is reduced. Therefore, the fragment rate in the production process of display panels can be reduced, the tape-out efficiency is improved, and the cost is saved.

The invention relates to the technical field of electronic commerce, and discloses an express carrying device based on a balance principle. The device comprises a vehicle body, a rotating rod is fixedly connected to the interior of the vehicle body, a supporting plate is movably connected to the exterior of the rotating rod in a sleeving manner, an electromagnet I is fixedly connected to the interior of the supporting plate, and a supporting rod is movably connected to the interior of the supporting plate in a sleeving manner; and a magnet I is fixedly connected to the outer portion of the supporting rod, and the outer portion of the supporting rod is movably connected with a spring I. Through interaction of a glass tube, a steel ball, a power connection sheet, a supporting plate, the spring I, the supporting rod, the electromagnet I, the magnet I, a supporting assembly and a limiting assembly, when the express carrying device meets the uneven ground in the express carrying process tocause inclination of the carrying device, auxiliary supporting can be performed on the express carrying device in time; and therefore, the express can be prevented from toppling over due to the fact that the carrying device continues to incline, and unnecessary troubles are reduced for express carriers.

The invention discloses a balance weight adjusting structure and method for self-walking equipment. The balance weight adjusting structure comprises a balance weight adjusting mechanism, the balance weight adjusting mechanism can adjust the gravity center position of equipment according to the pitching angle of a machine body of the self-walking equipment, the balance weight adjusting mechanism comprises a balance weight block, a moving part and an angle sensor, and the position of the balancing weight can be changed under the driving of the moving part. Whether the self-walking equipment is in the uphill and downhill states or not is judged according to the angle numerical value measured by the machine body angle sensor, when the self-walking equipment is in the uphill and downhill states, the balance weight adjusting structure adjusts the gravity center of the whole machine to move forwards by adjusting the position of the balance weight block, and the overturning possibility of theequipment is reduced.

The present invention discloses a seat and a function frame thereof. The function frame comprises a fixation frame, leg supporting plate connection frames, connection members A, connection members B, connection members C, connection members D, connection members E, connection members F, connection members G, cushion connection frames, backrest connection frames, connection members H, connection members I and connection members J, wherein the leg supporting plate connection frames, the connection members A-J, the cushion connection frames and the backrest connection frames are arranged on the left side and the right side of the fixation frame in a pair manner, a connection rod A is fixed between the two connection membranes E oppositely arranged in a left-and-right manner, and a driving device drives the connection rod A to swing in a forward and backward movement manner so as to drive the whole function frame to move. According to the present invention, the mechanical connection rod structure is improved, such that the complexity of the system is reduced, the movement mechanism is optimized, the possibility of the forward flipping of the seat frame is reduced, the stroke distribution is reduced, the motor stroke is shortened, and the weight and the cost are reduced; and the closing, the opening and the lifting of the electromechanical stretching device are achieved by using the linear assistance, and the three-position limiting function is used during the lifting process, such that the product is stable and safe.

The invention discloses a floating breakwater. The breakwater comprises a breakwater body floating on water, and a balance part A protruding downwards in the vertical direction is arranged on the breakwater body. The breakwater comprises the breakwater body floating on water, by the adoption of the design, a seabed cannot be damaged, water flow cannot be blocked, and the influence on a marine ecosystem is reduced; the floating breakwater can be prefabricated in a factory before construction, the water quality cannot be influenced during construction, the construction cost is low, and the construction period is short; the floating breakwater can be moved after construction is completed, construction waste cannot be formed, and recycling is convenient; the balance part A of the breakwater body can reduce the possibility that the breakwater body is knocked over by dark surges flowing in the horizontal direction, and the balance of the breakwater body in the horizontal direction can be improved; and a balance part B can reduce the possibility that the breakwater body is knocked over by dark surges flowing from bottom to top, and the balance of the breakwater body in the vertical direction can be improved.

The invention discloses a dual-purpose trolley capable of being transformed into a dining chair, which comprises two symmetrically arranged base rods, A support rod of a rear wheel is arrange on eachof that base rods, A rear wheel is rotatably connected to each of that rear wheel struts, one end of each of the base rods is provided with a mounting rod through a hinge mechanism, pedal seats are arranged on side walls of the two mounting rods; Two front wheel supports are symmetrically installed on the lower surfaces of the two mounting rods, front wheels are rotatably connected to each front wheel support, seats are jointly installed on the upper ends of the two mounting rods, and two abutment rods are symmetrically installed on the lower surfaces of the seats. The invention has the advantages of ingenious structure, realizing the conversion of two states of the dining chair and the pushcart, saving the parents' physical strength in the walking process, converting the pushcart into thedining chair at any time and anywhere under the condition of inconvenient going out, reducing the children's articles purchased by the parents, and saving the space where the funds have been placed.

The high-utilization-rate economical photovoltaic power station comprises a lifting rod, a planting frame, an electric telescopic rod and an auxiliary photoelectric box, the top of the lifting rod is slidably connected with a movable rod, and a main photoelectric box is fixed to the top of the movable rod; an electric telescopic rod is installed on the surface of the movable rod through a shaft piece, an auxiliary photoelectric box is connected to the tail end of the electric telescopic rod, the surface of the auxiliary photoelectric box is movably connected with the surface of a main photoelectric box through a hinge, and transparent top covers are installed in the auxiliary photoelectric box and the main photoelectric box correspondingly; and a thermoelectric conversion mechanism is mounted on the inner wall of each transparent top cover. By arranging four groups of auxiliary photoelectric boxes and electric telescopic rods, the angle between the auxiliary photoelectric boxes and the main photoelectric box is adjusted, night high-temperature utilization is realized under the assistance of the thermoelectric conversion mechanism and the winding mechanism, and the energy utilization rate and the economic effect of the photovoltaic power station are further improved.

The invention discloses a prefabricated decoration wallboard assisting carrying and stacking mechanism which comprises a trolley body and a first clamping assembly. The first clamping assembly is used for clamping wallboards and transferring the wallboards to the trolley body, and a second clamping assembly is arranged inside the trolley body and used for clamping the wallboards and transferring the wallboards out of the trolley body. The prefabricated decoration wallboard assisting carrying and stacking mechanism is scientific and reasonable in structure and safe and convenient to use, the wallboards can be clamped and transferred to the carrying trolley body through the first clamping assembly, and the carrying strength of workers can be reduced; and meanwhile, the first clamping assembly can separately place the wallboards with different areas, the wallboards are roughly divided into two kinds and are correspondingly placed in the first area and the second area, the probability that the stacked wallboards can turn over due to the fact that the area difference is excessively large can be effectively reduced, and therefore the transportation efficiency of the wallboards is improved, the abrasion of the wallboards can be reduced, and the safety of the wallboards is guaranteed.