13 results about "Cross country" patented technology

A cross country ski arrangement, comprising a cross country ski (10, 110), and a binding apparatus (30, 130) which comprises an upper chassis section (40, 140) comprising a first contact surface (43, 143) having a front end and a rear end, and a lower chassis section (50, 150) comprising a second contact surface (53, 153) having a front end and a rear end. At least one of the first (43, 143) and second (53, 153) contact surfaces exhibits a curved portion, thereby allowing the upper chassis section (40, 140) to pivot relative to the lower chassis section (50, 150) by rolling contact motion between the first (43, 143) and second (53, 153) contact surface, such that a momentary contact region (CR) of the first (43, 143) and second (53, 153) contact surfaces moves back and forth in the longitudinal direction between the front and rear ends of the first (43, 143) and second (53, 153) contact surfaces. A spring back means (60, 160) is arranged to urge the momentary contact region (CR) to a neutral position between the front and rear ends of the first (43, 143) and second (53, 153) contact surfaces. At least a portion of the upper (40, 140) and the lower (50, 150) chassis sections are recessed into the ski body (11, 111) from the upper ski surface (12, 112) such that the first (43, 143) and second (53, 153) contact surfaces are arranged below the upper ski surface (12, 112).

The utility model discloses a cross-country motor vehicle obstacle removing tool rapid installation structure which comprises a vehicle frame, and obstacle removing tools (such as a snow shovel and a snow plough) are installed at the front end of the vehicle frame. The dismounting and mounting structure is mounted at the rear end of the frame; the mounting seat is used for being connected with power equipment; the locking rod is arranged at the bottom of the mounting seat, and the mounting seat is detachably connected with the disassembly and assembly structure through the locking rod; the disassembly and assembly structure comprises a fixing frame, a fixing hook and a lock hook, the fixing hook is fixedly installed on the fixing frame, and the disassembly and assembly structure has the advantages that by driving the lock hook to move, when the lock groove is in an open state, the locking rod is placed in the lock groove, then the lock hook moves reversely to enable the lock groove to be switched to a closed state, and therefore the lock groove can be disassembled and assembled. Therefore, the mounting seat connected with the power equipment is mounted by fixing the locking rod, the effect of dismounting the mounting seat is further achieved, dismounting and mounting are more convenient, and the efficiency is higher.

The utility model discloses a novel chain guide assembly for a bicycle derailleur, which comprises a guide plate, a transmission part, a transmission part fixing cap, an upper guide wheel and a lower guide wheel, the lower guide wheel comprises a lower guide wheel body, a first lower guide wheel bearing protection pressing end cover, a lower guide wheel rotating bearing and a second lower guide wheel bearing protection pressing end cover. According to the chain guide assembly, the problems that environmental pollutants such as silt, rainwater and liquid enter a guide wheel system to cause speed change failure and even chain separation and the like of an existing chain guide assembly are solved, and a rider can have a lighter and more comfortable riding feeling; and meanwhile, the lower guide wheel main body can be freely switched in different road condition scenes such as leisure riding, mountain cross-country, daily training or competition field racing, so that the speed control system can obtain the optimal working condition.

The utility model relates to the technical field of forklifts, in particular to a detachable overhead guard of a cross-country forklift, a main guard and an auxiliary guard of the detachable overhead guard are mounted on the forklift, when an overhead frame assembly needs to be opened, a worker enables a clamping assembly to release clamping of the overhead frame assembly, the worker opens the overhead frame assembly, and after use, the overhead frame assembly can be detached from the main guard and the auxiliary guard. The top frame assembly has a free closing function, after the top frame assembly is closed, the clamping assembly automatically clamps the top frame assembly, and firmness is improved; comprising main protection frames and auxiliary protection frames, each main protection frame is provided with one auxiliary protection frame, the device further comprises a top frame assembly and a clamping assembly, the top frame assembly is installed at the top ends of the two main protection frames, the clamping assembly is installed at the top ends of the two main protection frames, and the clamping assembly clamps the top frame assembly.

The utility model relates to the technical field of antiskid chains, in particular to an antiskid chain with high antiskid performance, which comprises a side chain, a steel wire rope component and a transition chain, and the steel wire rope component is parallel to the side chain; the transition chain is arranged between the side chain and the steel wire rope assembly, the transition chain comprises a plurality of chains and circular rings, and the chains are connected in a staggered mode through the circular rings; according to the technical scheme, the P-type rings are arranged on the transition chain, the P-type rings can be used as icebreaking rings, the friction performance of the antiskid chain is greatly improved, the road holding force of the antiskid chain is more excellent, the performance of the antiskid chain is better, and the off-road vehicle can stably hold the ground on the ice and snow ground more easily.

1. Name of the designed product: Cross Country Full Face (CR-CF). 2. Use of the designed product: helmet. 3. Design points of the designed product: in shape. 4. Picture or photograph best indicating the design points: perspective view 1.

The utility model discloses a variable stiffness and variable damping nitrogen shock absorber assembly which comprises an upper support, the upper support is connected to a nitrogen shock absorber through a variable stiffness spring, the nitrogen shock absorber comprises a piston rod, a nitrogen cylinder and an oil cylinder, the top of the oil cylinder is provided with a stretching tail end hydraulic cavity, and the bottom of the oil cylinder is provided with a compression tail end hydraulic cavity. The bottom end of the piston rod extends into the oil cylinder, a stretching tail end limiting valve, a middle-position piston valve and a compression tail end limiting valve are arranged at the bottom end of the piston rod, when a vehicle runs on a smooth road surface, the shock absorber moves in the middle, only the middle-position piston valve plays a role, the shock absorber outputs small damping and is soft in filter vibration, and when the vehicle runs on large fluctuating road surfaces such as cross country and the like, the shock absorber is not prone to falling off. The shock absorber can run to the compression tail end and the stretching tail end, when the compression tail end limiting valve and the compression tail end cavity are closed, the damper is jointly composed of the compression tail end limiting valve and the middle-position piston valve, the shock absorber outputs large damping, a suspension is hardened, strong support can be provided for a vehicle, and the stability of a vehicle body is guaranteed.

The utility model provides a novel all-terrain off-road vehicle, and belongs to the technical field of all-terrain vehicles. The problems that when the off-road vehicle passes through complex terrains such as deserts, mountainous regions and marshes for a long time, performance of a rotating shaft system of the off-road vehicle is reduced and even faults are caused due to long-time rotation and continuous abrasion are solved. The novel all-terrain off-road vehicle comprises a vehicle frame and a base installed at the bottom of the vehicle frame, swing arm assemblies used for controlling the vehicle frame to swing are arranged at the two ends of the vehicle frame, each swing arm assembly comprises an upper swing arm and a lower swing arm, a swing rotating shaft is arranged between each upper swing arm and the corresponding lower swing arm and is in a hollow shape, and a fixing plate is arranged on each upper swing arm. The lower swing arm is provided with a fixing seat, and the fixing plate and the fixing seat are both provided with bearing blocks used for being connected with the swing rotating shaft. According to the utility model, the durability and the stability of the off-road vehicle under all-terrain conditions are improved.

The utility model relates to the field of running shorts, provides cross-country running pants, and solves the problems that the conventional cross-country running pants are integrally thicker and heavier, seaming positions are arranged on the inner sides of thighs, the skin is easily abraded, the seaming positions are thicker, and the pressure comfort is poorer after long-time wearing. Comprising a trouser body, a trouser waist is arranged at the top of the trouser body, a plurality of anti-skid silica gel points are arranged on the side, close to the skin, of the trouser waist, the trouser body is reversely folded by 0.5-2 cm at the top of the trouser waist and is attached and fixed through an adhesive tape, the inner sides of thighs of the trouser body are not provided with leg close seams, the leg close seams of the trouser body are located on the outer sides of the thighs, and the trouser body is made of single-layer woven fabric. And the pants body adopts a plain weave.

The utility model relates to the technical field of forklifts, and discloses a bridge refueling steel pipe assembly and a cross-country forklift, the bridge refueling steel pipe assembly comprises a lubricating pipe assembly (2), a straight-through joint body (1) and an oil cup (4), the straight-through joint body (1) and the oil cup (4) are detachably connected to the two ends of the lubricating pipe assembly (2), the straight-through joint body (1) is detachably installed on a lubricating refueling port of a bridge body, and the oil cup (4) is detachably installed on the lubricating pipe assembly (2). A sealing ring (7) is arranged in a groove in the oil cup (4), the oil cup (4) is sealed and fastened through a nozzle cover (6), and the lubricating pipe assembly (2) is detachably and fixedly connected to the axle body and transversely extends outwards. The bridge refueling steel pipe assembly is good in sealing and waterproof performance, lubricating oil (grease) can be conveniently and rapidly injected during maintenance, the maintenance cost is reduced, and the operation reliability is improved.

The base comprises a chassis frame, the end portions of the two sides of the chassis frame are rotationally connected with a left front longitudinal conversion rod and a right front longitudinal conversion rod, one end of the left front longitudinal conversion rod is connected with a left front wheel, and the other end of the left front longitudinal conversion rod is rotationally connected with a left connecting assembly. The connecting position of the left front longitudinal switching rod and the left connecting assembly is connected with the chassis frame, a left driving wheel is installed on the inner side of the left connecting assembly, and a second spiral spring is movably connected between the left connecting assembly and the left front longitudinal switching rod. The other side of the left connecting assembly is movably connected with a left rear longitudinal conversion rod, and the end part of the left rear longitudinal conversion rod is connected with a left rear wheel; the connection condition of the right front longitudinal conversion rod is the same as that of the left end; a transverse conversion assembly is movably connected between the left rear longitudinal conversion rod and the right rear longitudinal conversion rod. According to the wheelchair with the six interconnected wheels, cross-country is smoother, safer, quicker and easier, and the quick passing capacity of the wheelchair is greatly improved.

The utility model discloses an engineering machinery axle suitable for a cross-country scissors fork platform, which comprises two groups of drive axle housings, one end of each drive axle housing is fixedly provided with a wheel body, the other end of each drive axle housing is connected with a steering mechanism, and the steering mechanisms are connected and installed through two groups of turnover connecting frames. The steering mechanism and the turnover connecting frame are connected and installed through an upper cross arm and a lower cross arm respectively, turnover mounting frames are fixedly installed at the top of the turnover connecting frame, mounting cross beams are connected and installed between the turnover mounting frames, an elastic connecting structure is installed on the turnover mounting frame and located between the mounting cross beams, and the elastic connecting structure is connected with the turnover connecting frame through an upper cross arm and a lower cross arm. And the other end of the elastic connecting structure is connected with one end of the lower cross arm. The stability of the cross-country scissor-fork platform is improved under the condition that it is guaranteed that the cross-country scissor-fork platform is suitable for running on rugged terrains, and therefore stable running of the top face of the scissor-fork platform is guaranteed.