14results about How to "High movement reliability" patented technology

The invention provides underwater refueling equipment which is used for realizing refueling work of a reactor, the reactor comprises a pressure vessel, a fuel assembly is arranged in the pressure vessel, and the equipment comprises a bridge type platform arranged above the pressure vessel; the refueling device is movably arranged on the bridge type platform and comprises a fuel clamping unit; the fuel clamping unit comprises a driving assembly arranged on the bridge type platform; the fixed sleeve is fixedly arranged relative to the driving assembly; the driving sleeve is connected to the driving assembly, and the driving assembly can drive the driving sleeve to reciprocate in the fixed sleeve in the axial direction; the at least two stages of driven sleeves are sequentially nested and slidably arranged in the driving sleeve in the axial direction, the at least two stages of driven sleeves are connected with the driving sleeve through a transmission assembly, and the transmission assembly can transmit the axial displacement of the driving sleeve to the driven sleeve on the innermost layer according to a first preset proportion; the driven sleeve execution assembly arranged on the innermost layer can clamp or place a fuel assembly.

The invention discloses a high-voltage transmission line operation robot, which comprises a robot body, a walking unit, a cutting unit, a spraying unit, a visual unit and a control unit, and is characterized in that the robot body comprises a bearing platform and a bearing bracket fixed above the bearing platform; the walking unit is mounted on the robot body; the operation unit is mounted on one side of the bearing bracket and is used for cutting suspended objects on the high-voltage power transmission line or spraying conductive silver paste on a strain clamp on the high-voltage power transmission line; the visual unit is installed on the robot body and used for polling a high-voltage transmission line and monitoring the working state of the robot. And the control unit is fixed on the bearing platform. The robot has the multiple functions of walking on the high-voltage power transmission line, hanging object cutting / strain clamp conductive silver paste spraying, power transmission line inspection and the like at the same time, personnel do not need to make contact with the high-voltage power transmission line during hot-line work, and reliability and safety are high.

The utility model provides an anti-impact electric cylinder, which belongs to the technical field of engineering machinery and comprises a lead screw pair mounted in an outer pipe, a lead screw in the lead screw pair is driven by a servo motor to rotate, the lead screw drives a nut to do reciprocating rectilinear motion along the surface of the lead screw when rotating, a connecting pipe is fixed at the upper end of the nut, and a push rod is sleeved at the upper end of the lead screw. The push rod is matched with an extension block at the upper end of the connecting pipe in a hooking and pulling mode, the surface of the connecting pipe is sleeved with a compression spring, the upper end of the compression spring makes contact with the lower end face of the push rod, and when the nut pushes the push rod to do forward linear movement through the compression spring, impact energy can be absorbed and converted into elastic potential energy; direct damage of impact to core components such as a lead screw pair and a gear pair is effectively reduced, component failure caused by impact is avoided, and the service life of the electric cylinder under the high-impact working condition is remarkably prolonged.

The utility model provides a shell device and an air conditioner with the same. The shell device comprises a shell provided with a ventilation opening; the filter screen assembly is arranged on the shell, and the position of the filter screen assembly can be adjusted so as to avoid or shield the ventilation opening; and the bearing assembly is arranged on the shell, and the filter screen assembly is in sliding fit with the bearing assembly, so that the filter screen assembly is guided through the bearing assembly in the moving process of the filter screen assembly. The reversible air supply air conditioner effectively solves the problem that in the prior art, experience is poor when a user uses the reversible air supply air conditioner.

The embodiment of the application provides a robot precise landing planning method and device based on a priori terrain model, which carries out digital modeling on a preset terrain in a simulation environment, constructs a digital map containing terrain geometry and semantic information, and clearly calibrates the center coordinates of each ideal landing area as a target landing point. In the training process, the global coordinates of the robot foot end are tracked in real time, and the three-dimensional deviation of the robot foot end from the nearest target landing point is determined through map mapping, and then a reward function with the deviation size as the evaluation index is designed to drive the robot to learn a high-precision landing strategy. The present application introduces the priori terrain target point as a guide, so that the reward signal has a clear geometric meaning and can directly and efficiently drive the strategy to converge to the precise landing behavior, greatly improving the motion accuracy and reliability on the structured terrain.

The application discloses a safety seat, comprising a base, a seat, an adjusting assembly and a backrest, the base is provided with a connecting boss extending in the front-rear direction and provided with a plurality of clamping holes in the front-rear direction; the seat is provided with a connecting groove matched with the connecting boss, so that the seat is adjustably arranged on the base; the adjusting assembly is arranged on the seat, and the clamping piece of the adjusting assembly is selectively clamped into any clamping hole to fix the seat; the backrest is detachably connected to the seat through a backrest pipe, the connecting boss is provided with a limiting groove, the backrest pipe is provided with a blocking piece, and the seat is provided with a limiting piece selectively extending into the limiting groove; when the backrest is removed, the clamping piece is clamped in the last clamping hole, and the limiting groove is matched with the limiting piece to lock the seat; when the backrest is installed on the seat, at least part of the blocking piece is located between the limiting groove and the limiting piece to release the locking of the seat, so that the application range is improved, and the safety and reliability are improved.

The utility model discloses a catenary maintenance box step advancing wheel locking mechanism which comprises a fixing piece, a locking piece and a locking piece, and a pressing device is arranged in the fixing piece. The locking device is installed in the fixing piece and connected with the pressing device; when the wheel is locked, power is applied to the pressing device, so that the pressing device drives the locking device to move and be inserted into a wheel positioning hole of the wheel. Compared with the defects that a mechanical buckle device is insufficient in clamping force, easy to slip and the like, the locking mechanism has the advantages that the locking device is inserted into the wheel positioning hole, so that the wheel can be locked more stably, the locking reliability is improved, and the stability of the box step in the overhauling operation process is guaranteed.

The utility model discloses a rotary displacement mechanism. The mechanism comprises a base, a driving unit, a composite motion assembly and a tail end execution unit. Wherein the base is provided with a linear guide rail extending in the first axial direction and a composite guide groove, the composite guide groove is formed by continuously connecting a linear guide section, an arc-shaped transition section and an angle correction section, the linear guide section and the linear guide rail are arranged in parallel, and a 90-degree space included angle is formed between the angle correction section and the linear guide section. Through collaborative design of a composite motion trajectory constraint mechanism and a single driving source, the number of parts needed by a traditional multi-axis mechanism is greatly reduced, the equipment manufacturing cost is remarkably reduced, a complex electrical control system is not needed, and the compactness and economical efficiency of the overall structure are remarkably improved.

The utility model belongs to the field of robot technology, concretely relates to a bionic machine dog, including machine dog body, be provided with four groups of mechanical dog legs on the machine dog body, the mechanical dog leg is by support arm one and support arm two hinged component, support arm two is provided with the wheeled support foot away from the one end of support arm one, be provided with the reinforcing support mechanism on the mechanical dog leg, the reinforcing support mechanism includes electric telescopic handle, electric telescopic handle is hinged on the outer wall of support arm one. This bionic machine dog uses reinforcing support mechanism, makes electric telescopic handle hinged support arm one, and through the use of protection connection subassembly and connecting rod linkage support arm two, forms triangular support structure, when machine dog is under load, electric telescopic handle can adjust the length of extension, through connecting rod, the load pressure of support arm two is dispersed to support arm one, cooperates the use of protection connection subassembly, avoids the excessive bending of support arm two, effectively reduces the risk of falling down caused by the insufficient load bearing of joint.

This invention discloses an opening and closing surgical instrument, comprising: a wrist support; a palm support; and a finger opening and closing assembly, wherein the finger opening and closing assembly is rotatably disposed at the other end of the palm support. The finger opening and closing assembly includes: a first opening and closing part and a second opening and closing part; a control assembly, including a finger operating part; and two sets of guide wheel assemblies. This invention allows the finger operating part to adjust the opening and closing position of the finger opening and closing assembly. The first and second guide wheel sets in the guide wheel assembly respectively support the movement of the first and second opening and closing parts on the finger opening and closing assembly. Simultaneously, since the two sets of guide wheel assemblies are centrally symmetrically arranged on both sides of the palm support, and the finger operating part is wound around the two sets of guide wheel assemblies in opposite directions on both sides, the length of the finger operating part remains constant during movement in all degrees of freedom, thus eliminating the need for a separate decoupling mechanism. This effectively improves the reliability of movement between the instruments.

The application provides a fluid machine with a bearing and a heat exchange device, and the fluid machine with the bearing comprises a crankshaft, a cylinder sleeve, a bearing, a cross-groove structure and a sliding block, the crankshaft has two eccentric parts; the crankshaft is eccentrically arranged with the cylinder sleeve and the eccentric distance is fixed; the bearing is at least one, the bearing is arranged at the end face of the cylinder sleeve in the axial direction and is located outside the cylinder sleeve; the cross-groove structure is rotatably arranged in the cylinder sleeve, the part of the outer circumferential surface of the cross-groove structure in the axial direction is attached to the inner ring of the bearing, two limiting channels of the cross-groove structure are sequentially arranged along the axial direction of the crankshaft, and the extension direction of the limiting channel is perpendicular to the axial direction of the crankshaft; the sliding block has a through hole, there are two sliding blocks, the two eccentric parts correspondingly extend into the two through holes of the two sliding blocks, and the two sliding blocks are correspondingly arranged in the two limiting channels in a sliding mode and form a variable volume cavity. The application solves the problems of low energy efficiency and large noise of the compressor in the prior art.

The utility model relates to the technical field of window locks, and discloses an automatic locking window lock which comprises a panel, a moving groove is formed in the upper end of the panel, a plurality of first rectangular sliding grooves are formed in the bottom end of the moving groove, the upper left end of the moving groove is fixedly connected with a limiting plate, a lock catch box is arranged at the horizontally corresponding end of the panel, and a lock catch is arranged in the lock catch box. By arranging the handle, the first limiting rod, the elastic shifting piece and the clamping block, the handle is pushed to move leftwards, the clamping block at the lower end of the spring bolt is moved to the left end of the elastic shifting piece, the elastic shifting piece is clamped with the clamping block, the spring bolt can be conveniently fixed, the first limiting rod can be linked to drive the spring bolt to reset, a window can be rapidly unlocked, and complex operation steps of a traditional window lock are simplified; and by arranging a first reset spring, a spring bolt, a clamping block and a limiting base plate, the spring bolt automatically moves rightwards through the elastic force of the first reset spring, the clamping block and the limiting base plate are matched for clamping, and self-locking is completed at the moment when the window is closed.

The utility model relates to a kind of transport devices that can turn, including first slider, first drive mechanism, first bottom plate, slice box fixed assembly, limiting component;The first slider one end is installed on the first drive mechanism, the first slider other end is slidably connected on the first slide rail on the first bottom plate, the first slider is driven to slide along the first slide rail by the first drive mechanism;The slice box fixed assembly is fixed on the first slider and is located in the part of the first slide rail;The limiting component is located in the length direction one side of the first bottom plate, and the slice box fixed assembly is rotated and turned by the limiting component trigger. Advantageous effect: after the slice box is extracted, it can be rotated and turned, and the slice in the slice box can be quickly transported to other stations for scanning. No additional motor drive is needed, which simplifies the structure and improves the motion synchronization, realizing seamless collaboration of linear motion and the rotation of the slice box fixed assembly itself.