110results about How to "Prevent horizontal movement" patented technology

An erosion control ballast and soil confinement mat for use in water flow conditions is provided. The mat is made of a non-buoyant, relatively heavy and substantially flexible material with a plurality of pores stamped or pre-cast therein that allow for the inflow of water, the establishment of vegetation growth through the mat, and the in-filling of the pores with supplemental ballast materials such as gravel or soil. The bottom side of the mat has protrusions that extend into the underlying surface to prevent horizontal shifting and confine soil materials and/or another erosion control mat such as an erosion control blanket or turf reinforcement mat, while also preventing migration of the mat itself under high shear force water flow. The top surface of the mat may be provided with flaps that cover the pore openings during periods of strong water flow to prevent excessive water flow from entering the pores and eroding the underlying soil.

The invention provides a gantry type numerical control hole manufacturing system used for airplane wing body abutting joint. The gantry type numerical control hole manufacturing system comprises a gantry bracket assembly, three four-rod pose adjusting mechanisms and three terminal hole manufacturing units. The gantry bracket assembly comprises a door shaped bracket, two perpendicular lifting devices and a horizontal sliding device. Each four-rod pose adjusting mechanism comprises a movable platform, a fixed platform, a first electric telescopic rod, a second electric telescopic rod, a third electric telescopic rod and a fourth electric telescopic rod. Each terminal hole manufacturing unit comprises a T-shaped feed supporting shell body, a T-shaped revolution supporting shell body, a U-shaped revolution shell body, a U-shaped rotation supporting shell body and a rotation driving device. The gantry type numerical control hole manufacturing system is capable of remarkably improving the efficiency and the quality of hole manufacturing of wing body abutting joint and assembly and especially suitable for hole manufacturing of large-size airplane wing body abutting joint and assembly.

The invention relates to the field of spinning, in particular to a yarn correction device for spinning. By the adoption of the yarn correction device for spinning, the yarn inlet height can be adjusted while the yarn inlet direction is changed, and the problem that yarns are worn due to the angle problem when leaving a yarn drum or entering a spinning machine, and the quality of textile fabrics is affected is avoided. The yarn correction device structurally comprises a sliding rod, and the sliding rod is of a cylinder structure; the sliding rod is supported by first supports and second supports at the two ends, and one side of the sliding rod penetrates out of the first supports; the second supports are sleeved with the first supports; the outer surfaces of the first supports and the outer surfaces of the second supports are each provided with multiple locating holes, and the locating holes penetrate the first supports and the second supports; pin shafts penetrate the locating holes in the overlapped positions of the first supports and the second supports; and bases are arranged at the lower ends of the second supports. The yarn correction device for spinning is convenient and efficient to use, low in use cost and suitable for yarn correction in the spinning working procedure.

The invention discloses a method for processing an oblique oil hole in a revolving shaft, and an auxiliary processing device of an oblique oil hole in a revolving shaft of a traction motor, which is provided according to the method, is designed by using the characteristic of length consistence of fine control processing of the revolving shaft, and can be used for controlling six degrees of freedom of the revolving shaft. An entire technical process is optimized, an oil groove is subjected to technical treatment once again, processing is performed according to the practical size of a design figure, and the width of the oil groove is ensured; and secondly, a drilling technology of the oblique oil hole is improved, a special device which can be arranged on a five-axle processing center is designed according to the characteristic of length size consistence of fine control processing of the revolving shaft, the device is provided with a shaft shoulder positioning step, the revolving shaft is erected on the device, a shaft shoulder is pressed against the positioning step, and the revolving shaft is compressed by using a foundry weight and a T-shaped screw rod, so that six degrees of freedom of the revolving shaft are controlled. Through the five-axle linkage function of five small axles, the consistence of a positioning point of the oblique oil hole of each revolving shaft is ensured. The position of the oblique oil hole is ensured strictly. The method disclosed by the invention has the advantages of reliability, stable processing quality, low cost, high efficiency and suitability for large-scale production of high-accuracy revolving shafts.

The invention discloses a hollow floorslab core mold fixing device, which comprises a bottom die plate, a plate bottom bar-mat reinforcement, a plate top bar-mat reinforcement, a group of core molds and plain concrete cushion blocks, wherein the group of core molds are arranged between the plate bottom bar-mat reinforcement and the plate top bar-mat reinforcement, and are arranged in a matrix manner, the plain concrete cushion blocks are arranged between the tops of the core molds and the plate top bar-mat reinforcement; the plate top bar-mat reinforcement is in bound connection with the plain concrete cushion blocks, and is connected with the bottom die plate through a connecting piece; the cross sections of the core molds are rectangle, gaps are reserved between the bottoms of the core molds and the plate bottom bar-mat reinforcement; four vertical side faces of the core molds are all provided with rebar fixtures, so as to clamp the corresponding core molds among the rebar fixtures; the tops of the rebar fixtures exceed the plate top bar-mat reinforcement, and two side faces of each rebar fixture are respectively tightly pressed on the side faces of two adjacent core molds; vertical supports are arranged among the core molds, the upper ends of the vertical supports are connected with the plate top bar-mat reinforcement and the lower ends of the vertical supports are connected with the plate bottom bar-mat reinforcement. The hollow floorslab core mold fixing device has the advantage that the technical problems of the traditional core mold fixing method that the workload is heavy, the integral bar-mat reinforcement rigidity is low, the core mold is easy to damage and the late repair workload is heavy are solved.

Proposed is a monitoring device for monitoring and/or sensing predefined positions of a robotic device (5) having at least two axes of motion. The monitoring device comprises at least two sensors (15, 16), the first (15) of which is defined to sense a horizontal position and/or rotative position of the main support (9) and the second sensor (16) a defined horizontal position of the robotic arm (11). The monitoring device comprises furthermore sensor active faces (17a, 18a, 18b) arranged selectively for the first sensor (15) arranged in the horizontal motion zone and/or swivelling zone of the robotic device (5).

The invention discloses a coal mine large-caliber solid material vertical feeding buffer device. The coal mine large-caliber solid material vertical feeding buffer device comprises a protective cover,an energy storage damping device and a bridge type damping beam, wherein the protective cover is conical, and the topmost end of the protective cover is a platform surface; a guide shaft is vertically and fixedly arranged at the top end of the protective cover downwards, and the guide shaft is connected with the wall of the protective cover through a plurality of fixing supports; a buffer base iswelded to the bottom of the protective cover, a guide sleeve is vertically arranged in the center of the buffer base, and a guide shaft is inserted into the guide sleeve for fixed connection; and theenergy storage damping device is composed of a plurality of buffer springs, the upper portions and the lower portions of the buffer springs are fixed to the corresponding positions of the fixing supports and the buffer base of the protective cover, each buffer spring is provided with a guide rod, and the guide rods are fixed to the corresponding positions of the fixing supports and the buffer base of the protective cover; and the protective cover is connected with the bridge type damping beam through the buffer base in a sleeved mode. Falling materials can be effectively buffered, deceleratedand then fallen, and the falling materials are scattered to the storage bin at a low speed after being buffered by the protective cover.

The invention discloses a fabricated pre-embedded assembly for beam and wall connecting and further discloses a using method of the fabricated pre-embedded assembly. The fabricated pre-embedded assembly comprises a beam clamping piece and a wall clamping piece; the wall clamping piece comprises a wall clamping piece shell which is internally sequentially provided with an ejecting piece, a shear-resisting piece and a clamping head capable of being clamped on the beam clamping piece; and the ejecting piece comprises an ejecting spring, and the ejecting spring can utilize elastic potential energyto eject the shear-resisting piece and the clamping head outwards together. The using method of the fabricated pre-embedded assembly comprises the steps that a cover plate is additionally mounted onthe wall clamping piece so as to compress the ejecting spring; then the wall clamping piece and the beam clamping piece are pre-embedded in a wall and a beam correspondingly; a cover plate channel isformed in the wall, the cover plate is pulled out, thus the ejecting spring extends to eject the clamping head and the shear-resisting piece into the beam clamping piece, and the clamping head and thebeam clamping piece are clamped; and a part of the shear-resisting piece is reserved in the beam, and the other part of the shear-resisting piece is reserved in the wall, so that a wall body is prevented from horizontally moving. The technical problem that when the wall body and the beam are prefabricated, wet operation needs to be conducted is solved.

The invention provides a magnetic suspension health care mattress, which comprises two support frameworks (1) in relative arrangement at the upper side and the lower side, wherein the two support frameworks (1) are connected into a whole through a sliding element (2) and a guide tube (3); a slide block (21) of the sliding element (2) is clamped in the guide tube (3); each support framework (1) is of a hollow structure; a reinforcing element (4) is inserted in a cavity of each support framework (1); a plurality of through grooves (41) are formed in the reinforcing element (4); and a rare earth magnet (5) is fastened in each through groove (41). By using the technical scheme, the magnetic suspension health care mattress has the advantages that the structure is simple; the precise positioning of magnets in the upper and lower support frameworks is realized; and the horizontal moving of the mattress is avoided. Meanwhile, the rare earth magnets in permanent-magnet materials are used, so that the long-time good and stable magnetic therapy effect is achieved; the sleeping quality of a user can be ensured; meanwhile, the cell metabolism and the blood circulation are promoted; and the human body immunity is enhanced and improved.

The invention aims to overcome the defects of high manufacturing cost and inconvenience in use of a whole mass block in a buffer material vibration transmission characteristic test system, repeated disassembly of bolts in a combined mass system, low combination efficiency of nuts, and no horizontal limiting function of the mass system with a guide device. A slipknot screw type rapid combined circular quality system with a guide rod is developed, and the vibration transmission characteristic test of the buffer material is carried out in cooperation with a table board fixing device. The bottom face of the mass system is of a circular structure and is rapidly locked through a weight type combination and a slipknot screw combination, and the top of the mass system is provided with a single-rod guide device. Compared with a combined mass block, when the mass is adjusted, the weights of the mass system can be quickly locked and combined only by adjusting the compression nut in a small range, and the mass system is of a rigid structure after being locked; and meanwhile, the mass system is provided with a vertical movement single-rod guide device, and after the vertical movement single-rod guide device is matched with the fixing device, the mass system can be prevented from moving in the horizontal direction in the vibration process.

The invention discloses a bird repelling device for a telegraph pole. The device comprises a fixed base, bird repelling balls and a support rod. The fixed base comprises two clamp half bodies, the ends of the two clamp half bodies are butt-joined, then the clamp half bodies sleeve the telegraph pole, and each clamp half body comprises an inner clamping plate and an outer clamping plate, wherein the outer clamping plate is arranged on the outer side of the inner clamping plate, the upper end of the outer clamping plate is connected with the outer clamping plate through a connecting plate, and the inner clamping plate is provided with a compression bolt connected with the telegraph pole; a rolling wheel is arranged at one end of each support rod and arranged between each inner clamping plate and the corresponding outer clamping plate, the bird repelling balls are in rotating connection with the other ends of the support rods, and each bird repelling ball is internally provided with a chemical ball, wherein the chemical ball is internally provided with a granular bird repelling agent, outer chemical outlet holes are formed in the side wall of the bird repelling ball, and inner chemical outlet holes are formed in the surface of the chemical ball. According to the device, birds can be repelled through multiple methods at the same time, the problems that at present, a bird repelling device is monotonous in bird repelling method, and after long-term use, the effect is reduced are solved, and the bird repelling effect is obvious.