106results 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 relates to the technical field of engineering machineries, and discloses a landing leg locking system for locking a landing leg after the landing leg is landed. The system comprises a pressure detection device, a controller and an electric control switch module, wherein the electric control switch module is connected to an inlet oil line or outlet oil line of a landing leg expansion oil cylinder in series; the pressure detection device is used for detecting pressure in a rodless cavity of a landing leg support oil cylinder, and sending pressure signals to the controller; the controller receives the pressure signals, and compares the detected pressure with the preset value; and if the detected pressure is greater than the preset value, the electric control switch module is controlled in a close state. The landing leg locking system locks the landing leg after the landing leg is landed, so that the damage of the landing leg because of error operation can be prevented effectively, and the safety hazard is reduced; and the performances are reliable, and the locking effect is obvious. The invention also discloses mobile engineering machinery with the landing leg locking system.

The invention discloses a high-voltage DC on-off device. The high-voltage DC on-off device comprises an outer shell, a contact chamber and an electromagnetic conversion chamber; the contact chamber and the electromagnetic conversion chamber are arranged at the interior of the outer shell a drive rod in the electromagnetic conversion chamber moves up and down to drive a contact bridge in the contact chamber to move up and down and further enable a movable contact and a fixed contact to be connected or disconnected; the contact chamber is closed space formed by a guiding bottom plate and an inner shell covering the guiding bottom plate by adopting an insertion form; the guiding bottom plate and the inner shell are made of arc resistant plastic; and the electromagnetic conversion chamber is ametal framework is formed by encircling a shielding bracket and a shielding upper plate. The high-voltage DC on-off device is simple in structure, good in arc resistance and long in service life.

The invention discloses a high-voltage DC on-off device anti-deflection mechanism. The high-voltage DC on-off device anti-deflection mechanism comprises a contact chamber, a contact bridge and movablecontacts; a first contact member and a second contact member are arranged in the contact chamber; the movable contacts are arranged at the left and right ends of the contact bridge; a drive rod movesup and down to drive the contact bridge to move up and down and further enable the movable contacts to connect or disconnect with fixed contacts; the top end of the drive rod is fixedly provided witha limitation clamping spring; the limitation clamping spring is provided with a horizontal limiting frame for limiting the horizontal movement of the contact bridge; and the limitation clamping spring is also internally provided with an axial spring for limiting the axial movement of the contact bridge. The high-voltage DC on-off device anti-deflection mechanism has the beneficial effects that the limitation clamping spring performs complete limitation in the horizontal direction on the contact bridge so as to completely fix the limitation clamping spring and the contact bridge horizontally,and a horizontal movement problem of the contact bridge caused by aging failure of the spring is avoided.

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 relates to a brake baseplate machining fixture, and belongs to the technical field of brake baseplate machining equipment. The machining fixture consists of a baseplate, support nails B, a positioning nail A, a positioning nail B, a pressing block, a pressing plate, a pressing screw rod and fastening screw rods; a mounting plate and a mounting base are symmetrically arranged on the baseplate; the positioning nail A is mounted on the inner side of one end of the mounting plate through a mounting block by a thread; the pressing plate is mounted above the mounting plate through the fastening screw rods symmetrically arranged; the support nail A is fixedly mounted below the pressing plate; the pressing block is arranged at the upper end of the mounting base through the pressing screw rod; and the support nails B are symmetrically arranged on the inner side of the pressing screw rod. The brake baseplate machining fixture is simple in structure and convenient to use, solves the problems of high model change labor intensity, low working efficiency and high machining cost in clamping of the brake baseplate by a traditional fixture, and satisfies the clamping demands of the brake baseplate.

A watt connecting rod installation structure comprises a coupled lever horizontally lying above a torsion beam. The middle portion of the coupled lever is hinged to the torsion beam through a fixed shaft fixed to the upper side of the torsion beam. Two horizontally-arranged push-pull rods are hinged to the two ends of the coupled lever. The other ends of the two push-pull rods are hinged to the portions, on the two sides, of an automobile body. Due to the fact that the structure is installed at the upper end of the torsion beam and occupies the horizontal space above the torsion beam, the longitudinal space of a chassis does not need to be occupied, the structure can be suitable for a vehicle model which is provided with a low base and cannot reserve a longitudinal space for a traditionalwatt connecting rod, the application range of the structure is wider, and the structure at the bottom of an automobile is more compact. Due to the fact that the two ends of each push-pull rod are directly connected to the automobile body, an axial support is additionally provided for each of the two sides equivalently, and connection is more stable.

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.

The invention discloses a bridge cushion pad embedded installation seat machining method. The method comprises the following steps that a cushion pad limiting frame, embedded anti-floating rebars, an installation seat bottom plate and anti-deformation reinforced rib plates are machined; the above-mentioned components are welded together to form the bridge cushion pad embedded installation seat; surface oil cleaning and shot blasting treatment are conducted on the bridge cushion pad embedded installation seat; the whole bridge cushion pad embedded installation seat is immersed in a Dacromet coating solution; two corners, located at the two ends of a diagonal line respectively, of the installation bottom plate of the bridge cushion pad embedded installation seat are clamped and fixed, the level heights of the two fixed corners are the same, positions of the two fixed corners are fixed, and the bridge cushion pad embedded installation seat rotates around a connecting line between the two fixed corners to be leached; the bridge cushion pad embedded installation seat is sent to drying equipment to form a Dacromet coating; a cushion pad installation groove is fixed downwards and sprayed with a normal temperature curing blocking fluid, the attitude is kept, redundant closing fluid is leached, normal temperature curing is conducted, and a closing layer is formed.

The invention relates to the technical field of construction formworks, in particular to a sealing system for a glass reinforced plastic cylindrical formwork and a construction method. The sealing system disclosed by the invention comprises two semi-circular formwork units which are spliced together, a longitudinal groove which is through up and down is formed in the splicing face, on the side of the splicing seam, of each semi-circular formwork unit, T-shaped sealing strips are embedded into the splicing seam, each T-shaped sealing strip comprises an embedding segment and a splicing segment, the embedding segments are tightly embedded into the longitudinal grooves, and the splicing segments are arranged at the splicing seam. According to the sealing system for the glass reinforced plastic cylindrical formwork, the problem of leakage of concrete slurry at the splicing seam of the glass reinforced plastic cylindrical formwork can be effectively prevented. Meanwhile, the invention further discloses the construction method of the sealing system for the glass reinforced plastic cylindrical formwork, and the construction method is simple in process and convenient in construction.