58results about How to "Won't fly out" patented technology

The invention discloses a tool anchor used for dismantling an unbonded prestressed concrete structure and a using method thereof and belongs to the field of civil engineering. The tool anchor and the using method thereof are used for dismantling the unbonded prestressed concrete structure and solving the problem that safety is poor when the unbonded prestressed concrete structure is dismantled. The tool anchor used for dismantling the unbonded prestressed concrete structure is composed of three parts of an anchor cup provided with an irregular notch, an irregular plugging bock and a matched clamping piece. The method comprises the steps that at the beginning of dismantling the unbonded prestressed concrete structure, concrete which is located around an unbonded tendon and located within the range being no less than 120 mm and with the clear distance from a work anchorage device at the anchoring end on one side being about 1.0 m or above is removed; an unbonded tendon protective sleeve is stripped, the anchor cup provided with the irregular notch is used to encircle a prestressed tendon, the matched clamping piece is inserted between the prestressed tendon and the inner wall of the anchor cup, the irregular plugging bock is pushed into the notch of the cup wall, and a small hammer is used to strike the matched clamping piece to enable the matched clamping piece to be in a jam-pack state between the prestressed tendon and the inner wall of the anchor cup; and a work anchorage device on the other side is removed, and then follow-up dismantling work is conducted.

The invention discloses a system and method to destroy bomb in underground chamber that is made up of destroying underground chamber located in wall rock and the bottom has impacting resistance material layer, adit and communicating laneway that has laneway structure. The destroying underground chamber connects to adit through laneway. After setting the system, laying the bomb and blasting charge into the underground chamber to take remote detonation and take forced draught after detonating to release the waste gas into atmosphere and the harmful gas thickness would be lowered to safe range. The system would destroy 200kg detonator equivalent weight bomb, and the bow wave would not harm human over 200m distance. Even in the area of popuousness.

The invention relates to an automatic polyester button processing assembly line. The assembly line comprises a workbench, a material pushing device, a feeding device, a drilling device and a clampingdevice; the material pushing device, the feeding device, the drilling device and the clamping device are sequentially arranged on the upper end face of the workbench from left to right; and the clamping device comprises a concentric-square-shaped block, a first rectangular groove, a clamping plate, a protruding block, an electric push rod, a push plate, a guiding rod and a supporting rod. According to the automatic polyester button processing assembly line, firstly, a cutter is adjusted according to a needed hole, and therefore the mechanical applicability is greatly improved; a plurality of buttons are fed at the same time through the feeding device, the buttons are pushed to the positions below the drilling device through the material pushing device at the same time, and the buttons areclamped and fixed through the clamping device; and finally, the buttons are drilled by the drilling device, and the working efficiency of machinery during drilling is improved.

The invention relates to the technical field of linear vibrating screens, in particular to a linear vibrating screen which comprises a vibrating box. A top cover is arranged on the top part of the vibrating box; a feed inlet is formed in the position, close to the right end edge part, on the upper surface of the top cover; a feeding device is arranged above the feed inlet; a sieve plate is arranged in the middle of the vibrating box; an opening is formed in the left end surface of the vibrating box; a collecting box is arranged on the left side of the opening; an opening is formed in the bottom part of the collecting box; an L-shaped baffle plate is arranged in the collecting box; the protruded end of the L-shaped baffle plate corresponds to an outlet groove; support leg devices are arranged at the positions, close to four corner parts, on the bottom part of the vibrating box; an L-shaped fixed plate is arranged on the lower surface of the vibrating box; and a vibrating motor is arranged on the L-shaped fixed plate. The linear vibrating screen is provided with the feeding device and the collecting box; and by sealing the whole device, in the use process, flying dust cannot fly outof the whole vibrating box, so that a user can operate the device conveniently without being affected.

The invention provides a U-shaped grooving machine for pavement bending crack repairing construction. The grooving machine comprises a dust collecting device, a grooving device, a motor, a triangularbelt, a motor belt wheel, an upper twisting seat, a grooving device belt wheel, a bearing, a depth scale, a handrail, a nut, a guide sleeve and a dust collecting spring which are installed on an uppermachine frame, and a lower twisting seat, a screw rod seat, a universal wheel and a supporting ground wheel which are installed on a lower machine frame. The left ends of the upper machine frame andthe lower machine frame are hinged through a rotating shaft through which the upper hinge seat and the lower hinge seat are communicated in series; the grooving device is positioned at the right end through a hand wheel and a screw rod according to the depth scale; the grooving machine is characterized in that a cutter body of the grooving device is formed by combining a cylinder and a cone, thesurface is provided with different cutting edges which are arranged along in a dual-head spiral line and protruded outside, the grooving device is surrounded by an inner hollow drum type dust collecting device, a U-shaped groove can be formed in the road surface crack bending direction at a time, cut crushed materials and dust settle in a dust collecting cavity of the dust collecting device, and the road surface crack cutting machine is simple in structure and excellent in working performance.

The invention relates to a rope stranding and combining all-in-one machine for producing a 7 * 7 structural steel wire rope. According to the stranding and stranding all-in-one machine, the stranding process and the stranding process in steel wire rope production are completed on the same machine at the same time, so that the working characteristics of a tubular stranding machine in the stranding process and a basket type stranding machine in the stranding process are combined, and a design scheme of the stranding and stranding all-in-one machine for producing 7 * 7 structural steel wire ropes is provided. According to the scheme, a pipe type stranding machine is derived into stranding pipes, a basket type rope combining machine is derived into a revolution disc, the stranding pipes rotate to drive seven steel wires on the stranding pipes to be stranded, the revolution disc revolves to drive the seven stranding pipes on the revolution disc to revolve to combine ropes, and therefore the 7 * 7 structural steel wire rope is produced.

The invention discloses an aluminum profile cutting device for producing an automobile motor shell. The device comprises a supporting table, supporting columns are fixedly installed in the middles of the left end and the right end of the supporting table, sliding grooves are formed in the opposite faces of the two supporting columns, and a supporting frame is jointly and fixedly installed at the upper ends of the two supporting columns. Three telescopic rods distributed at equal intervals are fixedly installed at the lower end of the supporting frame. According to the aluminum profile cutting device, through the arranged sound reduction assembly, an extrusion plate can drive a mounting box to move downwards while moving downwards, the mounting box drives a sound insulation block to extrude aluminum profiles downwards, the downward moving distances of the sound insulation block are different due to different shapes of the aluminum profiles, and the sound insulation block pushes a sliding rod to slide in a round hole and extrudes a spring to stretch out and draw back. The sound insulation block can be attached to the aluminum profile needing to be cut, it is guaranteed that no chippings fly out, the good sound insulation effect is achieved, and the aluminum profile cutting device can be suitable for aluminum profiles of different shapes.

A packaging device, comprising a filling device (30) for filling granular substances with adsorbing capability in a storage bag (90) opened at one end thereof, an air removal device (50) for discharging air from the storage bag (90) filled with the granular substances, and a sealing device (40) for sealing the opened end of the storage bag (90) from which the air is discharged. The sealing device (40) is formed to be operated a very short time interval after the air is discharged from the storage bag (90) by the air removal device (50).

A method for manufacturing an information display panel which displays information such as an image by sealing at least one kind of display medium composed of at least one kind of particles and having an optical reflectance and a chargeability in a cell (14) formed by partitions between two substrates (1, 2) at lest one of which is transparent, applying an electric field to the display medium, and thereby moving the display medium. The method comprises a display medium placing step of placing the display medium in the cell. The display medium placing step includes a display medium charge supporting substep of supporting the charged display medium, a display medium arranging substep of arranging the supported display medium according to an electrostatic latent image, and a display medium transfer / placing substep of transferring / placing the arranged display medium into the cell.

The invention discloses a wood board cutting chip prevention device for decoration. The device comprises a protective mounting base, an inner shell is fixedly connected to the outer wall of the top of the protective mounting base, an inner turning plate is slidably connected to the outer wall of the inner shell, limiting sliding grooves are formed in the outer walls of the bottom ends of the two sides of the inner shell, the inner shell is slidably connected with an outer shell through the limiting sliding grooves, and the outer wall of the outer shell is slidably connected with an outer turning plate. The device is of a full-wrapping type structure, one side of the device is a sliding opening side, internal wood boards can be conveniently adjusted, or cutting equipment can be conveniently subjected to maintenance operation, the sliding opening end is associated with the cutting equipment, when the cutting equipment is started, the sliding opening end is closed through a driving assembly, full-wrapping closing is achieved, meanwhile, a chip suction assembly on the lower side can adsorb and collect chips generated after wood boards are cut, the safety during wood board cutting is guaranteed, and meanwhile chips generated during cutting are prevented from splashing.

The invention relates to an impeller connecting assembly and a washing machine. The impeller assembly comprises an impeller, a connecting piece and a deceleration assembly, wherein the connecting piece is arranged on the impeller; the deceleration assembly is arranged on the connecting piece; an installation hole for connecting the deceleration assembly is formed in the connecting piece; the installation hole comprises a first zone and a second zone; a washing shaft of the deceleration assembly penetrates through the installation hole; the washing shaft is provided with a first connecting part and a second connecting part which are connected in sequence; the first connecting part is matched with the first zone and penetrates through the first zone; the second connecting part is matched with the second zone and penetrates through the second zone; the matching tightness between the first zone and the first connecting part is smaller than that between the second zone and the second connecting part. According to the impeller assembly disclosed by the invention, disassembly and assembly can be simplified, the disassembly efficiency and the assembly efficiency can be increased, and convenience is provided for a user to use.

The invention relates to the field of automobile part manufacturing, in particular to a constant velocity universal joint bell housing rough turning tool. The constant velocity universal joint bell housing rough turning tool comprises a bottom anti-rotation assembly, a supporting bottom plate, a first annular face clamping assembly, a second annular face clamping assembly, a first end face pressing assembly and a second end face pressing assembly, the bottom anti-rotation assembly is located at the bottom of the supporting bottom plate, the first annular face clamping assembly and the second annular face clamping assembly are both located at the top of the supporting bottom plate, the first end face pressing assembly and the second end face pressing assembly are both located at the top ofthe supporting bottom plate, and the first end face pressing assembly and the second end face pressing assembly are both located at the top of the supporting bottom plate. According to the constant velocity universal joint bell housing rough turning tool, the lower ring column of the bell housing can be clamped and prevented from shaking, a layer of insurance can be provided for fixation of the bell housing, and the bell housing cannot rotate during machining.

The invention relates to the technical field of removing conductive materials by a chemical or electrolytic method, especially to a circuit board production apparatus comprising an etching box and a covering part. The covering part consists of an annular ring and a cover plate arranged at the center of the annular ring; and connecting rods are connected between the cover plate and the annular ringand an exhausting hole is formed between each two adjacent connecting rods. A rotating plate that can cover the exhausting holes is connected between the annular ring and the cover plate in a rotation manner; and a torsion spring is arranged at the rotating plate. A placing part is arranged inside the etching box; an annular slot is formed in the inner wall of the etching box; a cavity is formedin the wall of the etching box; a connection cavity is communicated between the bottom of the annular slot and the cavity; a sliding plate is arranged in the connection cavity in a sliding connectionmanner; a pull rod is fixed at the sliding plate; and a protrusion is fixed at the annular ring. An L-shaped slot is formed in the inner wall of the etching box; and an elastic layer is arranged at the bottom of the L-shaped slot. Therefore, problems that the etching liquid is easy to splash out of the etching box at the stirring time and irritant gas can not be exhausted quickly in the etching box in the prior art can be solved.

The invention discloses a full-automatic keyboard disassembling and cleaning machine. The machine comprises a control box, wherein a feeding device, a rotating disc device and a keycap detaching device and a keycap falling device are arranged on the table surface of the control box in sequence from one end to the other end; the feeding device comprises a feeding manipulator arranged on a first electric guide rail; a second electric guide rail is arranged between the keycap detaching device and the keycap falling device; a movable conveying manipulator is arranged on the second electric guide rail; an optical detector is arranged at the rear end of the control box; a third electric guide rail is arranged between the optical detector and the keycap falling device; the conveying manipulator is further arranged on the third electric guide rail; a conveyor belt is arranged below the optical detector; a stacking device is arranged at one end of the conveyor belt, and a dust collecting deviceand a discharging device are arranged at the other end; the discharging device comprises a fourth electric guide rail arranged above the conveyor belt; and a discharging manipulator is arranged on the fourth electric guide rail. The full-automatic keyboard disassembling and cleaning machine can realize full-automatic disassembling, cleaning and sorting of keyboards, thereby being high in automation degree and processing efficiency.