33results about How to "Guaranteed crashworthiness" patented technology

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 reducer with stable heat dissipation and anti-collision, which comprises a protective frame. There are three moving plates installed on the two mounting frames. A lifting seat is installed on the moving plate along the vertical direction. One side of the lifting seat is fixedly installed with a mounting sleeve. The bottom end of the mounting sleeve is telescopically connected with a longitudinal The bottom end of the vertical rod is fixedly installed with a pressure column, the bottom of the moving plate is fixedly installed with a connecting arm, and the bottom end of the connecting arm is fixedly installed with a buffer assembly; the present invention can maintain the speed reduction while ensuring the anti-collision performance of the reducer. The internal ventilation of the reducer is good, so as to ensure that the reducer can dissipate heat stably. It can be installed on the main body of the reducer with different sizes.

The invention relates to the technical field of roadblocks, and discloses a non-Newtonian fluid-based anti-collision road barrier, including a base, and position reset mechanisms are arranged at the four corners of the top of the base, and the tops of the four position reset mechanisms are arranged There is a mounting plate, the middle part of the mounting plate is inlaid with a bearing, the inner ring of the bearing is fixedly installed with a support column, the top of the support column is fixedly installed with a protection ring, and the cavity inside the protection ring is filled with non- Newtonian fluid. In the present invention, when the protection ring is hit, the viscosity of the non-Newtonian fluid will be greatly increased at the moment of force, so that the non-Newtonian fluid will instantly become a hard solid, which ensures the anti-collision performance of the roadblock and prevents the impact force from causing damage. The roadblock is damaged, and at the same time, the position reset mechanism will restore the roadblock after the collision, avoiding inconvenience to the maintenance personnel and reducing the danger to the vehicle itself, and the non-Newtonian fluid has the advantages of convenient use and low cost.

The invention belongs to the technical field of automatic production, and in particular relates to a robot chassis. Anti-collision devices are symmetrically arranged on both sides of the length direction of the bottom plate; the fixing plate of each anti-collision device is fixedly installed in the middle of one side of the bottom plate in the longitudinal direction, and the elastic parts and the telescopic parts are stretched along the length direction of the bottom plate, and the elastic parts One end of the elastic piece is vertically connected to the middle of the fixing plate, the other end of the elastic piece is vertically fixedly connected to the anti-collision beam, the anti-collision beam is arranged along the width direction of the bottom plate, the elastic piece is arranged in the telescopic piece, and one end of the inner sleeve of the telescopic piece is fixed A fixed plate is set, the baffle is set on the outer wall of the inner sleeve, one end of the outer sleeve is slidably sleeved on the other end of the inner sleeve, the other end of the outer sleeve is vertically connected to the middle of the anti-collision beam, and the stroke induction switch Symmetrically arranged on the bottom plate on both sides of the telescopic piece, the travel sensing switch controls the opening and closing of the drive motor according to the position of the anti-collision beam. The invention can adapt to complex and formal environment to ensure the anti-collision effect of the robot.

The invention provides a bridge anti-collision system based on multiple protection devices. The bridge anti-collision system comprises a primary bridge body, fences, a secondary bridge body, bridge road-danger warning light devices, primary fixing plates, primary supporting rods, a wind indicator device, a secondary fixing plate, a secondary supporting rod, an inflatable air sac device, an adjustable maintaining plate device, an installing clamping plate device, a damping rebound pad device and an anti-collision rotating wheel device. According to the bridge anti-collision system based on the multiple protection devices, as a rubber wheel, a wheel shaft, a primary U-shaped protection frame and a secondary U-shaped protection frame are arranged, the protection effect can be achieved; meanwhile, when an automobile is crashed into a bridge, the automobile can be forced to be away from the bridge, and the once safety protection effect on the automobile and the bridge is achieved; as anti-playing clamping rings are arranged, it can be avoided that the rubber wheel is clamped, and the protection capacity is guaranteed; as a primary protection plate, buffer springs, a secondary protection plate and X-shaped frames are arranged, the multi-protection capacity can be improved, and the anti-collision effect of the bridge is guaranteed.

The invention relates to the field of differential pressure flowmeters, and discloses a differential pressure flowmeter in a waste water pipeline, which includes a pipe body, the outer surface of the upper end of the pipe body is provided with a pressure guiding tube, and the lower end of the pressure guiding tube Extending to the inner side of the pipe body, and the pressure guiding tube is fixedly connected with the tube body, the outer surface of the pressure guiding tube is provided with a buffer structure, the upper end of the pressure guiding tube is connected to the main body of the flowmeter, and the flowmeter The front end of the main body is movably equipped with a protective structure, the rear end of the flowmeter main body is provided with an anti-collision structure, and the outer surface of the upper end of the pipe body is provided with a dredging structure on the side close to the pressure guiding tube. The differential pressure flowmeter in the waste water pipeline has the advantages that the pressure guide tube is not easy to be damaged, the instrument panel is not easy to be scratched, plays a good protective role during the transportation process, and is easy to clean the dirt accumulated in the pipe body.

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 relates to a novel side protective fence. The novel side protective fence comprises an upper protective beam, a lower protective beam and a plurality of connecting rods, wherein the upper protective beam is parallel to the lower protective beam, the upper end and the lower end of each connecting rod are fixed to the upper protective beam and the lower protective beam through rivets respectively in a hinged mode. When the upper end of a locking rod is fixed into a circular hole I, the upper protective beam and the lower protective beam are spread, a fixed side protective fence assembly can be formed, the collision preventing strength is guaranteed, and the side protection function is achieved. After the locking rod is dismounted from the circular hole I, the lower protective beam can be driven to swing through the connecting rods and finally swing to the position where the lower plane of the upper protective beam makes contact with the upper plane of the lower protective beam, the side protective fence is folded and stored, the locking rod is fixed to a circular hole II, and fixing is achieved. Due to the fact that the lower protective beam moves upwards, a worker can conveniently enter the part below a vehicle to maintain the vehicle. The novel side protective fence is easy and convenient to use.