33results about How to "Guaranteed crashworthiness" patented technology

A method for reducing the weight of saloon car bodies based on the response surface method includes: a, improving the structure of the spare parts to select the optimum structure, b, carrying out code transformation to the test design variables, c, arranging test points with the isometiric design method to determine a test plan, d, setting up a response surface model based on the test result, e, validating the effectiveness of the response surface model, f, optimizing the spare parts of the body taking the quality of the spare parts as the target function and the energy absorption parameter as the restriction condition.

The invention discloses a date-pit-type composite anti-collision system for a pier and a construction method for the date-pit-type composite anti-collision system for the pier. The composite anti-collision system comprises a prepressing-type anti-collision device which is arranged at the outer side of the pier, and a floating-type external retaining device which sleeves the outer side of the prepressing-type anti-collision device, wherein the floating-type external retaining device is in a date pit shape, and is formed by connecting a plurality of anti-collision boxes which float on the water surface; the prepressing-type anti-collision device comprises one or a plurality of date-pit-type anti-collision structures; each date-pit-type anti-collision structure comprises an external cofferdam, and an energy consumption layer which is arranged at the inner side of the external cofferdam and is composed of a plurality of energy consumption rings; each external cofferdam is in the date pit shape; each energy consumption ring comprises an elastic ring which is formed through prepressing, and an external protective sleeve which sleeves the outer side of the elastic ring. The construction method comprises the following steps of (1) building a horizontal construction platform; (2) conveying parts in place; (3) constructing fixing elements at the outer side of the pier; (4) constructing the prepressing-type anti-collision device; (5) constructing the floating-type external retaining device. The date-pit-type composite anti-collision system for the pier and the construction method for the date-pit-type composite anti-collision system for the pier have the advantages that the design is reasonable, the construction is simple and convenient, the use effect is good, and the pier can be effectively protected.

The invention discloses a pedestrian protection-based automobile energy absorption column A and an optimization method thereof. The automobile energy absorption column A comprises a left-side column A and a right-side column A, wherein the left-side column A and the right-side column A are symmetrically distributed on a vehicle center line, and respectively comprise an inner shell, an outer shell and an inner core; the inner shells, the outer shells and the inner cores of the left-side column A and the right-side column A are made of a carbon fiber material; and the inner cores are formed by three-dimensional indented hexagonal negative Poisson's ratio single-cell arrays. The invention furthermore discloses the optimization method of the automobile energy absorption column A; after optimization, two working conditions such as automobile-pedestrian collision and automobile front collision can be considered, so that the automobile crashworthiness and lightweight are ensured under the premise of reducing the pedestrian head injury.

The invention belongs to the technical field of automatic production, and particularly relates to a robot chassis. Anti-collision devices are symmetrically arranged on the two sides of the length direction of a bottom plate; the fixing plate of each anti-collision device is fixedly arranged in the middle of one side of the length direction of the bottom plate, elastic parts are retractable in the length direction of the bottom plate, telescopic parts are telescopic in the length direction of the bottom plate, one ends of the elastic parts are vertically connected to the middle parts of the fixing plates, the other ends of the elastic parts are vertically and fixedly connected with anti-collision beams, and the anti-collision beams are arranged in the width direction of the bottom plate; the elastic parts are arranged in the telescopic parts, one ends of inner sleeves of the telescopic parts are fixedly arranged on the fixing plates, baffles are arranged on the outer walls of the inner sleeves, one ends of outer sleeves are arranged on the other ends of the inner sleeves in a sliding and sleeving mode, and the other ends of the outer sleeves are vertically connected to the middle parts of the anti-collision beams; and travel induction switches are symmetrically arranged on the positions, at the two sides of the telescopic parts, of the bottom plate, and the travel induction switches are used for controlling the opening and closing of a driving motor according to the positions of the anti-collision beams. The robot chassis can adapt to complex situations and environments so as to guarantee the anti-collision effect of a robot.

The invention relates to the technical field of barricades, and discloses an anti-collision road barricade based on a non-Newtonian fluid. The anti-collision road barricade comprises a base; positionresetting mechanisms are arranged on four corners of the top of the base; a mounting plate is arranged at the tops of the four position resetting mechanisms; a bearing is inlaid in the middle of the mounting plate; a supporting column is fixedly mounted on the inner ring of the bearing; a protecting ring is fixedly mounted at the top of the supporting column; and a cavity inside the protecting ring is filled with the non-Newtonian fluid. According to the anti-collision road barricade, when the protecting ring is collided, the viscosity of the non-Newtonian fluid can be increased substantiallyat the moment of stress, the non-Newtonian fluid can be changed into a hard solid instantaneously, the anti-collision performance of the barricade is guaranteed, and damage caused by the collision force to the barricade is prevented; meanwhile, the barricade can be restored by the aid of the position resetting mechanisms after collision, so that inconvenience can be prevented from being brought tomaintenance persons, and dangers to vehicles can be reduced; and the non-Newtonian fluid has the advantages of convenience in use and low cost.

The invention discloses an energy storage control cabinet safety device, and particularly relates to the technical field of control cabinets, the energy storage control cabinet safety device comprises a cabinet, the lower surface of the cabinet is fixedly connected with the upper surface of a shell, a control mechanism and a dehumidification mechanism are arranged in the cabinet, the control mechanism is arranged in the shell, The left side face and the right side face of the machine cabinet are each fixedly connected with four first springs and four telescopic rods. According to the energy storage control cabinet safety device, air in the control mechanism is heated to expand, so that air can be compressed to ensure that water flow is smoothly discharged for fire extinguishing, the fire extinguishing mechanism can burst dry powder to achieve quick fire extinguishing under the condition that the fire behavior is large, fire spreading is avoided, and then the device can achieve automatic fire extinguishing; and the operation of double fire extinguishment can be realized, so that the first-time fire extinguishment treatment work is ensured, the fire extinguishment effect is more obvious, the fire loss can be reduced to the greatest extent, and better safety guarantee can be brought.

The invention discloses a car bumper comprising an internal bumper provided with two or more through holes, two to six internal bumper connecting brackets, two to six external bumper divisions and external bumper division connecting brackets corresponding to the external bumper divisions. One end of each internal bumper connecting bracket is connected with the internal bumper, and the other end ofeach internal bumper connecting bracket is used for connecting with the car body. The number of the external bumper divisions is less than or equal to the number of the through holes. Each external bumper division corresponds to one to three external bumper division connecting brackets. The external bumper division connecting brackets pass through the through holes, one ends of the external bumper division connecting brackets are connected with the external bumper divisions, and the other ends of the external bumper division connecting brackets are used for connecting with the car body. The car bumper has the beneficial effects of greatly improving anti-collision performance, high safety degree, easiness in maintenance and low maintenance cost.

The invention discloses a speed reducer capable of stably dissipating heat and preventing collision. The speed reducer comprises a protective frame, wherein a speed reducer main body is installed at the bottom of the inner side of the protective frame, a lifting frame is movably installed at the inner side of the protective frame, two installation frames are movably installed at the inner side ofthe lifting frame, and three movable plates are installed on each installation frame. A lifting seat is movably mounted on each moving plate in the vertical direction, a mounting sleeve is fixedly mounted at one side of each lifting seat, a longitudinal rod is telescopically connected to the bottom end of each mounting sleeve, a pressing column is fixedly mounted at the bottom end of each longitudinal rod, a connecting arm is fixedly mounted at the bottom of each moving plate, and a buffer assembly is fixedly mounted at the bottom end of each connecting arm. According to the speed reducer, good ventilation inside the speed reducer can be kept while the anti-collision performance of the speed reducer is guaranteed, so that it is guaranteed that the speed reducer can dissipate heat stably, speed reducer bodies of different sizes can be installed, the applicability is high, the anti-collision performance of the speed reducer is excellent, and the service life of the speed reducer body isguaranteed.

The invention discloses a combined type railway vehicle energy absorption anticreeper. The combined type railway vehicle energy absorption anticreeper comprises a piston rod, a cylinder body, a flangeand a cooling pipe. The cylinder body is internally provided with cooling liquid. One end of the cylinder body is connected with one side of the flange. The flange is provided with a guiding hole, wherein the piston rod is connected with the guiding hole in a sliding manner. A piston is arranged at the tail end of the piston rod, wherein the piston is connected with the inner wall of the cylinderbody in a sliding manner. A cutting tool is mounted at the other side of the flange and extends into a guiding groove in the piston rod. The cooling pipe unidirectionally extends to the mounting position of the cutting tool in a communicating manner from the interior of the cylinder body. According to the combined type railway vehicle energy absorption anticreeper, the mode that the tool is cooled through the cooling liquid is adopted; the probability that the tool is molten in the cutting process is lowered; reliability of the cutting tool is improved; meanwhile, after cutting, a cutting portion pushes the piston to extrude the cooling liquid in the cylinder body, and when vehicle collision occurs, part of kinetic energy can be converted into kinetic energy and pressure energy of the cooling liquid; and the breakage probability of the tool is lowered.

The invention relates to a mine truck cab. The cab comprises a front framework, a top plate, a buffering device, an upper protection device and a front protection device; the upper protection device is connected to the top plate; the front protection device is fixedly connected to the middle power portion of the front framework; the buffering device is connected to the front framework through a bolt; the upper protection device and the front protection device are mutually welded by a plurality of cross rods and vertical rods to be in net shapes; the front protection device is fixedly connected to the buffering device. The mine truck cab is simple in structure, firm in connection, wide in vision, high in protection intensity and safe and reliable, the anti-collision intensity of the cab is guaranteed due to the fact that the protection device is arranged on the middle lower portion of the front framework, and the vision of a driver is guaranteed.

The invention relates to the field of robot battery equipment, in particular to an intelligent value protection robot battery management system which is characterized in that one side of the outer wall of a battery main body is sleeved with a battery box, one side of the outer wall of the battery box is sleeved with an upper fixing frame, one side of the bottom end of the battery box is provided with a base, and one side of the outer end of the base is fixedly provided with a fixing seat; a heat dissipation fan is arranged on the side, close to the battery box, of the inner side of the fixing base, a mounting base is fixedly mounted on the side, corresponding to the heat dissipation fan, of the inner wall of the fixing base, the mounting base is arranged between the fixing base and the heat dissipation fan, and a temperature measuring mechanism is arranged on one side of the top end of the upper fixing frame; and two groups of connecting mechanisms are arranged between the upper fixing frame and the base at equal intervals. According to the intelligent value protection robot battery management system, the battery can be cooled more timely, the practicability of the whole device is effectively improved, and a better use prospect is brought.