177results about How to "Not prone to damage" patented technology

The invention discloses a robot anti-collision device. The device comprises a chassis, a supporting seat is arranged in the chassis, supporting plates are arranged on the outer side of the chassis, anti-collision wheels are arranged on the outer side of the supporting plates, first grooves are formed in the outer side of the supporting seats, second grooves are formed in the inner side of the supporting plates, buffer devices are fixedly connected between the first grooves and the second grooves, first springs sleeves the outer side of the buffer device, the two ends of the first springs are connected to the bottom of the first grooves and the bottom of the second grooves respectively, the middle of the interior of the chassis is fixedly connected with a fixing seat, clamping grooves are formed in the outer side of the fixing seat. The device is novel in structure and is arranged through the supporting plate, the supporting seat, the buffer device and the first springs, so that the supporting plate firstly touches the collided object when the chassis collides with the outside, the device is arranged through the first springs and the buffer device, so that two layers of buffering can be carried out on the supporting plate, and the effect of buffering impact force of the supporting plate is improved.

The invention discloses an industrial robot arm capable of doing linear motion, and relates to the technical field of mechanical arms. The industrial robot arm comprises a base, a mounting seat and a supporting column, wherein a moving mechanism is arranged at the bottom of the mounting seat; and the moving mechanism comprises a rectangular frame body, sliding rails, sliding blocks, a screw rod, rolling wheels, rectangular grooves, a low-speed motor, mounting grooves and sliding grooves. During use of the industrial robot arm capable of doing linear motion, when goods need to be conveyed linearly after being clamped, the low-speed motor is started to drive the screw rod to rotate; the screw rod is in threaded connection with the mounting seat, and the bottom of the mounting seat is slidably connected to the rectangular frame body through the sliding rails and the sliding blocks, so that the mounting seat can perform linear motion; and therefore, the whole mechanism can perform linear motion so as to achieve linear conveying of the goods.

The invention relates to an overlying strata isolation grouting filling method for underground emission reduction of coal gangue, and belongs to the field of emission reduction of coal gangue in coal mining. The overlying strata isolation grouting filling method comprises the steps that according to information of a coal face, a grouting filling key layer is determined, and a plurality of branch holes are downwards constructed in a main hole of directional drilling from the directional drilling of an underground roadway to the interior of the grouting filling key layer; and a grouting and filling system is built underground, tunneling gangue and selected gangue of a mine are crushed and ground into filling slurry, cracks below a key layer are filled with the filling slurry through directional drilling, the key layer is effectively supported, and rock stratum movement and surface subsidence are controlled. According to the overlying strata isolation grouting filling method for underground emission reduction of the coal gangue, the coal gangue generated by the mine is directly prepared into the filling slurry underground and then is filled into the overlying strata mining-induced fractures, so that harmless treatment is realized.

The invention relates to a multifunctional mineral processing device, comprising a primary crushing system, a secondary crushing system, a primary magnetic separation system, an impurity removal system, a secondary magnetic separation system and a screening system. The mineral processing device of the invention can separately perform two-stage crushing, two-stage magnetic separation, impurity removal and screening on minerals so as to obtain desired metallic minerals with high value. The crushing systems are perfect in processing; jamming of and damage to machines hardly occur; high safety anda short beneficiation cycle are realized; waste that pollutes environment is not produced in the process of beneficiation; and the beneficiation process is environmentally-friendly and efficient. Theprimary crushing system not only has good crushing effect, but also can play the role of drying and impurity removing. The two-stage magnetic separation systems finely screen the minerals and screenout the metallic minerals with economic value; and since the screening system classifies and collects ores according to the sizes of the ores, subsequent treatment can be simplified and beneficiationefficiency can be effectively improved.

The invention relates to the technical field of hanging baskets, and discloses an external wall painting hanging basket structure for building construction. The external wall painting hanging basket structure includes a supporting plate, a protective support fixedly connected to the upper surface of the supporting plate and perpendicular to the supporting plate and a connecting rod fixedly connected to the top end of the protective support. The upper part of the connecting rod is connected with a placement assembly which can slide horizontally in the length direction of the placement assembly,and the bottom of the supporting plate is connected with a buffer assembly which can support the supporting plate. According to the external wall painting hanging basket structure, through the placement assembly, a cylinder body with powder materials can be easily clamped by a user, meanwhile, the cylinder body can slide horizontally along the connecting rod, and is easily moved to an appropriateposition for painting, so that the tediousness of taking the powder material manually is greatly reduced, the painting efficiency of an external wall is improved; and the impact force between the bottom of the hanging basket and the contact surface due to inertia is reduced through the buffer assembly, the damage degree of the hanging basket and the contact surface is reduced, and meanwhile, thenoise is reduced, so that the hanging basket is not prone to being damaged.

The invention discloses a key lifting switching device, which comprises a keycap, a telescopic assembly, a switching mechanism and a pair of frames. The key cap is positioned above a bearing plate; the switching mechanism opens and closes a key signal corresponding to the lifting and descending motions of the keycap; the pair of frames is not contacted with each other and is oppositely arranged and provided with cavities; the corresponding bottom edges of the both frames can be arranged in first and second chute assemblies on both sides of the bearing plate in a sliding mode respectively, and the corresponding tops of the both frames are pivoted with first and second pivoting assemblies on both sides of a symmetry axis at the bottom of the keycap; synchronization sliding components for causing the pair of frames to synchronously lift and descend are arranged by passing through the cavities of the pair of frames; the bottom edges of the synchronization sliding components are pivoted in a third chute assembly on the bearing plate; the top edges of the synchronization sliding components are pivoted in a third pivoting assembly at the bottom of the keycap; and the bottom edges and the top edges of the synchronization sliding components are parallel to arm components of the two frames. The invention simplifies the structure of the key lifting switching device and improves the assembly clamp and the assembly process so as to further improve the production efficiency of the keyboard and the qualification rate of the finished product.

A vent valve assembly for a car retarder comprises a plastic vent valve body (1) and a central hole (2) on the vent valve body (1). The bore diameter of one end of the central hole (2) is smaller than that of the other end of the central hole (2), oil absorption media (3) are arranged in the central hole (2), and a dust cap (4) is arranged at the end with the large bore diameter of the central hole (2) of the vent valve body (1). Compared with the prior art, the vent valve assembly has the advantages that the plastic vent valve body can bear large temperature difference change and is not easy to age, the contact area of the cone-frustum-shaped central hole and lubricating oil is decreased while the intake effect is ensured by the central hole, the lubricating oil does not easily enter the central hole, even if a small amount of lubricating oil enters the central hole, the lubricating oil can be absorbed by the oil absorption media without leaking to the outer side of the car retarder, dust cannot enter the central hole under the action of the dust cap and the oil absorption media, the car retarder is not easily damaged, and the car retarder is high in use stability.

The invention discloses a hinged dumper container assembly, and loading and unloading methods thereof. The container assembly comprises a rear frame and a container, wherein the rear frame comprises a rear frame longitudinal beam assembly, a frame anti-torsion tube, a rear frame lifting seat, a lower hinge seat, a lower bolt seat and a hinge body bearing; the container comprises a bottom plate, a rear tilted plate, a left side plate, a right side plate and a front plate, a left longitudinal beam and a right longitudinal beam are arranged on the left side plate and the right side plate respectively, a left lifting support seat and a right lifting support seat bulging out of the left longitudinal beam and the right longitudinal beam are arranged on the left longitudinal beam and the right longitudinal beam respectively, and an upper hinge seat and an upper bolt seat are arranged at the bottom of the container. The loading method is as follows: returning the container, and loading materials in the container; the unloading method is as follows: turning the container by a lifting oil cylinder, and when the container is turned to a certain position, connecting the upper bolt seat with the lower bolt seat by a bolt; during the turnover process of the container, the materials are detached from the container. The container assembly, and the loading and unloading methods thereof disclosed by the invention are capable of improving the anti-torsion capacity of the frame, improving the bearing capacity and strength of the lifting support seat realizing location for the container, and improving the safety performance of loading and unloading.

The invention discloses a garbage grab bucket, comprising a seat body (1), at least two grab bucket pedals (2) of which the upper ends are hinged with the seat body (1), a hydraulic cylinder (6) of which a free end of a piston rod is hinged with the grab bucket pedals (2), and a hoisting mechanism (5) which is fixedly connected with a crane or a travelling crane, wherein the hoisting mechanism (5) is fixedly connected with the seat body (1); a cylinder end of the hydraulic cylinder (6) is hinged with the seat body (1); the garbage grab bucket also comprises hydraulic drive mechanisms (3) of which the quantity is equal to that of the grab bucket pedals (2); the hydraulic drive mechanisms (3) are arranged outside the seat body (1); and the hydraulic drive mechanisms (3) are integrally connected with the cylinder body of the hydraulic cylinder (6). The garbage grab bucket is convenient to install and maintain, and excellent in stability and durability.

The invention discloses a horizontal spiral centrifugal machine. The horizontal spiral centrifugal machine comprises a driving device, a rotating drum, a spiral propeller and a housing; the driving device drives the spiral propeller to rotate; the rotating drum is arranged in the housing; the two ends of the rotating drum are provided with a liquid phase matter outlet and a sediment outlet; the spiral propeller is arranged in the rotating drum, and a material pond is formed between the inner wall of the rotating drum and the spiral propeller; the side, close to the sediment outlet, of the spiral propeller is provided with a rolling grinding and pressing device performing rolling grinding and pressing on a sediment layer; an elastic piece is arranged between the rolling grinding and pressing device and the spiral propeller; the rolling grinding and pressing device is connected with the spiral propeller through the elastic piece; and by means of the rolling grinding and pressing device, a grinding and pressing effect can be effectively performed on sediment, and the sediment is effectively separated from the liquid phase matter.

The invention provides a nanosheet field effect transistor and a preparation method thereof, and the method comprises the steps: forming a nanosheet layer and a sacrificial layer on a semiconductor substrate, forming an insulation isolation structure in the nanosheet layer and the sacrificial layer, removing the sacrificial layer through dry etching, etching the insulation isolation structure, andforming a nanosheet supporting part; forming continuous gate insulating layers on the surfaces of the nanosheet and the nanosheet supporting part, and forming a second gate insulating layer between the gate insulating layers on the outer sides of the connecting parts, and forming a metal gate between the gate insulating layer and the second gate insulating layer. According to the invention, the sacrificial layer is removed and the insulation isolation structure is etched to form the nanosheet supporting structure in the same equipment, so the transportation or movement of the structure is avoided, and the nanosheet is prevented from being damaged due to factors such as physical vibration and the like. And the stability of the nanosheet is further improved by the gate insulating layer. Inaddition, dry etching is adopted in the method, and the damage, caused by chemical reagents, to the nanosheet is avoided.

The invention provides a tomato picking machine and a control method thereof. The tomato picking machine comprises a rack, a picking device, a moving device, a storage device, a monitoring device and a control device. The rack comprises a top cover, a screw motor, a screw, a first supporting column and a second supporting column; the picking device comprises an end effector, a mechanical arm base, an arm joint and a large arm and is used for carrying out multi-degree-of-freedom picking operation on tomato fruits; the moving device is connected with the second supporting column and used for driving the tomato picking machine to move in a tomato planting field; the storage device is used for storing the tomato fruits after the fruit stems are cut; the monitoring device is connected to the rack and used for monitoring the position of the tomato picking machine in the tomato planting field and monitoring and classifying unpicked tomato plants and picked tomato plants; the control device is connected to the rack, and the control device is connected with the picking device, the moving device, the storage device and the monitoring device. According to the tomato picking machine and the control method thereof, the structure is simple, manual participation is not needed, manpower and material resources are effectively saved, and the picking efficiency is high.

The invention discloses a convenient punching machine for mechanical processing, which comprises an adjustment controller, a braking device, a flywheel, a driving shaft, a driving rotating wheel, a machine body, a driving motor, an electric control box, a large gear, an adjustment seat, a rail, a sliding block, a worktable, a line box, an operating panel and a fixed base, wherein the adjustment controller is connected with the braking device; the adjustment seat is fixed on the right side of the flywheel; the driving rotating wheel is positioned below the driving shaft; the driving motor is connected with the driving rotating wheel; the rail is mounted on the left side of the sliding block; the line box is positioned on the right side of the electric control box; the operating panel is mounted on the right side of the line box; and the fixed base is connected with the machine body. The convenient punching machine for the mechanical processing is high in stability, high in accuracy, and simple to operate; with the adoption of an adjustment mechanism adopted by the sliding block, a machine can be processed very well and comprehensively; the processing efficiency is high; the requirements of consumers can be met; the time is saved; and the energy consumption is reduced.

The invention discloses electronic device, and belongs to the technical field of communication. The electronic device comprises: a device main body (100) provided with a mounting part (110); a first member (200) set on the mounting part (110) via an adhesive layer (300); wherein at least one of the equipment main body (100), the first member (200) and the adhesive layer (300) is provided with a liquid flow guide groove (400), the liquid flow guide groove (400) is provided with an opening side facing the adhesive layer (300), and a viscosity reduction solvent entering the liquid flow guide groove (400) is in contact with the adhesive layer (300) through the opening side. According to the scheme, the problem that parts are prone to being damaged due to disassembly operation when being installed in a bonding mode can be solved.

The invention discloses a disc feeding machine. The disc feeding machine comprises a rack, a disc body arranged on the rack in a rotating manner, a frame arranged around the disc body, a material conveying channel communicating with internal and external space of the frame, and a forward and reversely rotating motor for driving the disc body to rotate. Guide plates used for guiding a bearing ring placed reversely to slide upwards in an inclining manner are arranged on the opposite inner walls of the material conveying channel correspondingly. The guide plates are arranged upwards in an inclining manner in the discharging direction of the material conveying channel. Turnover plates used for pushing the bearing ring to be turned over are arranged between the two guide plates in a rotating manner. A drive motor for driving the turnover plates to rotate is arranged on the material conveying channel. According to the disc feeding machine, the bearing ring placed reversely can be turned over, and the phenomenon that the bearing ring is damaged in the machining process does not occur easily.

The invention discloses an airtight deodorization intelligent garbage can. The airtight deodorization intelligent garbage can comprises a sealed garbage can shell, a sewage treatment box and a garbagebox. The left end of the sealed garbage can shell is movably connected with the sewage treatment box, the top end of the sealed garbage can shell is movably connected with a movable sealing top cover, the front face of the movable sealing top cover is in embedded connection with display lamps, and the inner wall of the inner bottom of the sealed garbage can shell is movably connected with a storage battery. The sewage treatment box is arranged, in the using process of the sewage treatment box, when sewage in the garbage box flows into the sewage treatment box through a guide pipe, abnormal smells and odors in the sewage are secondarily deodorized and filtered under the joint effect of active carbon and a filter net, the odors in the sewage can be completely removed, thus, environmental pollution caused by the sewage in garbage is avoided, meanwhile, after the sealing cover is opened by a worker, the water treated in the sewage treatment box is drawn out, and the operating process is simple and convenient.

The invention discloses mine lifting equipment with high safety performance, and relates to the technical field of lifting equipment. The mine lifting equipment solves the problems that some components with large stress are prone to being damaged due to inclined arrangement of a lifting push rod of existing lifting equipment and the standing angle of the lifting equipment is not adjustable. The mine lifting equipment with high safety performance comprises a base and a loading platform, wherein the top of the base is movably connected with the bottom of an adjusting platform; and the loading platform is movably connected to the top of the adjusting platform. According to the mine lifting equipment with high safety performance, the stress distribution inside the equipment is uniform, and therefore the phenomenon that some components with large stress are prone to being damaged due to uneven stress when the equipment works for lifting is avoided; and leveling push rods at the two ends ofthe base are matched with leveling bubbles embedded in a control switch, so that the angle of the adjusting platform is adjustable, and the loading platform at the top is still in a horizontal state by adjusting the angle of the adjusting platform when the equipment is placed on the inclined ground.

The invention discloses a bamboo joint connecting method of a logger string. The logging instrument string includes a position energy spectrum, a compensated neutron, a litho-density, a digital acoustic wave and a hole diameter logger that are sequentially strung, wherein a rotary short joint is connected between the compensated neutron and the litho-density; the loggers are connected through threaded draw rings; protective caps are arranged at the front and the rear ends of the logger string; a pose keeper is arranged between the rotary short joint and the litho-density; the hole diameter logger adopts a plate spring hole diameter logger; independent power supply units adopting high temperature-resistant lithium battery to supply power are arranged in all the loggers of the logger string; and a flexible short joint is arranged between the litho-density and the digital acoustic wave. As the independent power supply units adopting high temperature-resistant lithium battery to supply power are arranged in all the loggers of the logger string, the logging efficiency and safety are improved; and as the loggers are connected through the threaded draw rings with the combination of the pose keeper and the flexible short joint, the logger string is not only convenient to detach, but also improves the accuracy of the measurement data.