30results about How to "Good surface adaptability" patented technology

The invention belongs to the technical field of welding of robots, and in particular relates to an autonomous mobile robot system for metal-inert-gas (MIG)/metal-active-gas (MAG) multilayer multipass welding of a large thick plate. The system comprises a robot body, a control system and an MIG/MAG welding system, wherein the robot body comprises a crawling mechanism and an operating mechanism; the control system comprises a sensing system, a robot body control box and a robot master control system; the MIG/MAG welding system comprises an MIG/MAG welding gun, an MIG/MAG welding power supply, a wire feeding machine, shielding gas and a weld cooling system; and the robot body, the control system and the MIG/MAG welding system are connected with one another through cables. The system has the advantages that a contact type magnet-wheel adsorption and non-contact type clearance adsorption composite mode and a three-wheel full-drive wheel type movement mode are used by the crawling mechanism, so that a robot can autonomously and flexibly move at all positions on the surface of an operating object, can be reliably adsorbed and can perform all-position welding operation, and the system is high in comprehensive performance.

The invention relates to a wheel foot type wall climbing robot mechanism, which comprises a semi-cylindrical first body 1, a semi-cylindrical second body 2, a connecting rod, a first suction disc foot and a second suction disc foot, wherein the lower parts of the first body 1 and the second body 2 are respectively provided with the first suction disc foot and the second suction disc foot, axial lines of the first body 1 and the second body 2 are parallel and are in parallel arrangement in a contact mode, two end parts in parallel arrangement of the two bodies are respectively connected into a relatively rotatable structure through the connecting rod, the first suction disc foot adopts a negative pressure absorption structure, the second suction disc foot adopts a vacuum absorption structure, and a walking wheel is arranged in the first body. The wheel foot type wall climbing robot mechanism organically combines the respective advantages of a wheel type moving mechanism and a foot type moving mechanism, the mechanism has better moving characteristics and force characteristics, the moving speed is high, the barrier getting capability is high, and the curve surface adaptability is good.

The invention discloses a high solid epoxy paint formula and a preparation process as well as application thereof. The formula comprises main agents and a curing agent, wherein the main agents comprise an epoxy resin matrix, a diluting agent, pigment and filler and auxiliary agents. The invention also discloses the preparation process of the paint. The preparation process comprises the steps of preparing, grinding, mixing and the like. The high solid epoxy paint is widely applied of petroleum drilling equipment and ship industry. The high solid epoxy paint is of high solid, low viscosity and thick coating, meanwhile has excellent surface adaptability and is extremely suitable for the current environmental protection requirement; in addition, the high solid epoxy paint can be widely applied to the petroleum drilling equipment and the ship industry, and has the characteristics of high energy saving efficiency, high construction performance, high filming quality, no strict requirements on processing of a metal surface, greatly reduced construction cost and the like.

The invention discloses a copying milling cutter for processing a complex cavity, relates to copying milling cutters, and is used for solving the problems that the owing cutting quantity is large when the existing annular knife is used for processing a high hardness complex surface, the subsequent handling workload is increased, the surface residue height is high, the cutting and vibration of next process tool are acute and the like, a tool tip speed of a bulb knife is zero, the end-milling capacity is limited, the tool tip is easy to collapse and the like. The copying milling cutter disclosed by the invention comprises a cutter body (1), wherein one end of the cutter body (1) is provided with multiple crumb containing grooves (2); the multiple crumb containing grooves (2) are uniformly arranged. The copying milling cutter also comprises multiple blades (3) with the same structures, wherein each crumb containing groove (2) is internally provided with a blade (3) through a screw; each blade (3) is of a central symmetry structure, the flat base width Dc of the cutter tip of each blade (3) is 3mm-8mm, and the bottom ends of the cutter tips of the multiple blades (3) can form a cutter hollow flat base structure. The copying milling cutter disclosed by the invention is used for secondary rough milling and semi-finishing processes of the complex cavity.

The invention discloses epoxy modified acrylic aqueous finishing paint for burglarproof doors and a preparation method for the epoxy modified acrylic aqueous finishing paint. The epoxy modified acrylic aqueous finishing paint provided by the invention belongs to green and environment-friendly coating materials and is prepared from distilled water, base materials, i.e., epoxy modified acrylic aqueous resin and aqueous amino resin, aqueous transparent color pastes, i.e., aqueous transparent blue paste and aqueous transparent white paste and adjuvants, i.e., a cosolvent, a neutralizing agent, a delustering agent, an antifoaming agent and a base material wetting agent. The aqueous finishing paint is applied to the coating of the burglarproof doors for the first time, and water serves as a solvent, so that the emission of VOC (Volatile Organic Compounds) can be lowered, and the harm to environments and human health caused by solvent type coating materials is reduced; and the existing burglarproof door coating process is not changed, the workability is relatively good, the adaptability to material surfaces is good, the coating adhesion is high, a paint film is plump and is good in decorative performance, and the weather resistance is better than that of the solvent type coating materials.

The invention provides a preparation method of high-solid epoxy abrasion-resistant coating. The high-solid epoxy abrasion-resistant coating is prepared from a main agent and a curing agent. The main agent is prepared by the method comprising the following steps that epoxy resin 1, epoxy resin 2, active diluent, n-butanol, xylene, an anti-settling agent and a dispersant are sequentially added intoa reaction kettle and stirred at a high speed, and thus mixed liquor is obtained; under high-speed stirring, 600 meshes of talcum powder, feldspar powder, mica powder and iron oxide red are sequentially and slowly added into the mixed liquor, stirred for 30 min and thus fully mixed with the mixed liquor; and epoxy resin 1, a coupling agent, n-butanol, xylene, non-floating aluminum powder, a dispersant and xylene are sequentially added into the mixing liquor, uniform dispersing is conducted through high-speed shearing, and thus the main agent is prepared. The prepared method of the high-solid epoxy abrasion-resistant coating has the advantages and positive effects that the high-solid epoxy abrasion-resistant coating has excellent corrosion resistance and excellent corrosion resistance, canbear seawater immersion and has excellent surface adaptability.

The invention discloses a continuous elastic tactile sensor and a detection method thereof. The continuous elastic tactile sensor comprises a first elastic conducting layer, an elastic insulating layer and a second elastic conducting layer which are sequentially arranged in a stacked mode from top to bottom. At least one input signal line is arranged in the center of the first elastic conducting layer, at least two output signal lines are arranged on the edge of the second elastic conducting layer, and output resistors are connected to the output signal lines in series. The continuous elastictactile sensor provided by the invention adopts an elastic material for preparing a sensor, has better adaptability to the surface of a flexible and elastic deformation object, and does not influencethe deformation of a measured surface; the structure is greatly simplified while the contact position and the pressure intensity of a measured surface with a large area are detected, the number of needed signal leads is extremely small, and arrangement is facilitated and influences on deformation of a measured object are avoided.

The present invention discloses a novel flexile shearing strength and pressure sensor structure and a manufacturing method thereof, belonging to the field of micro electro mechanical systems (MEMS). The novel flexile shearing strength and pressure sensor structure can measure the shearing strength and the pressure. A flexible substrate is employed and has advantages of flexion torsion and hook face adaptation. A flexible substrate is attached on a glass sheet, silicon dioxide is sprayed on the flexible substrate, and an etching resistance layer, a measurement line and a heating unit form a sensor having a nanometer cavity allowing a heating unit and a measurement unit to be separated. The sensor can measure the shearing strength and the pressure and can achieve installation and measurementof the physical parameters at one time; the sensor employs the flexible substrate and has the flexion torsion and hook face adaptation; and moreover, the sensor has a high length-width ratio, is highin sensitivity and fast in response speed.

The invention belongs to the field of a BOPET (biaxially oriented polyester film) and in particular relates to a BOPET for a TTR (thermal transfer ribbon) resin base. The BOPET product has a thickness of 4.2 microns and is prepared from a basic material and an organic silicon master batch, wherein the content of the basic material is 35-65 mass percent. Compared with a transitional product used in the prior art, the BOPET has the advantages that the heat stability, stripping resistance, cleanliness and surface adaptability to the coated solvent are greatly improved, and various performance requirements of the BOPET special for high-speed coating of the TTR resin base can be well met.

The invention relates to an alternate barrier-crossing traveling system which is a traveling mechanism with strong adaptability to terrains. The alternate barrier-crossing traveling system comprises a machine body and linkage barrier-crossing traveling mechanisms arranged at the two sides of the machine body; the bottom of the machine body can be provided with an anti-skidding teeth; the two sides of the machine body can consist of a linkage barrier-crossing traveling mechanism or a plurality of linkage barrier-crossing traveling mechanisms; the number of wheels used in the linkage barrier-crossing traveling mechanism is not limited; the front end and the rear end of the machine body are respectively provided with a locking device which can be used for conveniently connecting the heads and the ends of multiple machine bodies, so that the multiple machine bodies can be locked into a string. The alternate barrier-crossing traveling system is a barrier-crossing traveling mechanism which is high in efficiency and reliability, concise in mechanism and stronger in barrier-crossing ability, and can travel at a high speed on regular topographies and irregular topographies, such as rugged mountainous regions, marshes, river valleys and beaches.

The invention discloses an all-wheel same-phase driving trolley and a turning control method thereof. The all-wheel same-phase driving trolley comprises a trolley body and a plurality of round wheels arranged on the trolley body. The number of the round wheels is even and is at least four. The round wheels are symmetrically arranged on two sides of the trolley body through driving components in a pairwise mode. A plurality of large friction force circular arc segments are uniformly distributed on each round wheel. The large friction force circular arc segments on every two round wheels which are symmetrically arranged are complementary and can form a whole circle. The phase positions of the large friction force circular arc segments on the round wheels which are located on the same side of the trolley body are the same. The friction force produced by the round wheels on the two sides of the trolley body is different, and the deviation phenomenon of the trolley body occurs during speed changing, so that trolley turning is achieved. The all-wheel same-phase driving trolley is simple and reliable in integral structure, has the characteristics of being high in efficiency, good in land surface adaptability and high in obstacle crossing capability and can be used for mobile robots, obstacle crossing vehicles and other mobile devices which need to walk on the uneven ground and the even ground.

The invention relates to a tert-vinegar emulsion expansion-type fireproof paint and a preparation technology thereof. The expansion-type fireproof paint comprises the following raw materials in parts by weight: 30-40 parts of deionized water, 0.1-0.2 parts of alkaloid, 0.3-0.6 parts of a RS610 wetting dispersant, 0.2-0.5 parts of hydroxyethyl cellulose, 0.2-0.5 parts of a DF681F antifoaming agent, 0.1-0.4 parts of a RS antiseptic, 0.2-0.4 parts of an AN130 PH conditioning agent, 0.2-0.4 parts of an A401 alkali swelling thickening agent, 2-3 parts of a film forming auxiliary agent, 8-10 parts of melamine MEL, 10-12 parts of pentaerythritol PER, 20-25 parts of ammonium polyphosphate APP, 3-6 parts of titanium dioxide, and 15-25 parts of a tert-vinegar emulsion. According to the invention, water is taken as a disperse medium, a lot of resource is saved, fire risk during construction is eliminated, atmosphere pollution is reduced, a few of hypotoxic alcohol and ether organic solvents is used, work environment condition is improved, the coating adhesion is strong, and the paint has good adaptability on surface of the material.