34results about How to "Guaranteed elastic deformation" patented technology

The invention relates to a corrosion-resistant optical cable, which comprises an outer sheath (1), a water-blocking ointment tube (4) arranged in the outer sheath (1) and used for realizing a water-blocking function of the optical cable, and an inner sheath (5) arranged in the water-blocking ointment tube (4), wherein the inner side of the outer sheath (1) is connected with a metal armor layer (3)in a bonding manner, the outer side surface of the metal armor layer (3) is coated with a plastic coating (2), and the inner side of the metal armor layer (3) is connected to the outer side wall of the water-blocking ointment tube (4) in a bonding manner; a cavity is formed in the side wall of the water-blocking ointment tube (4); a transverse spacer (15) is connected into the side wall of the water-blocking ointment tube (4) in a bonding mode; and a vertical spacer (16) used for separating the inner cavity of the water-blocking ointment tube (4) is connected into the side wall of the water-blocking ointment tube (4) in a bonding mode. According to the structure, ointment in the inner cavity of the water-blocking ointment tube is separated, and it is guaranteed that when the whole opticalcable is cut, it is guaranteed that a large amount of ointment is prevented from overflowing due to damage.

The invention relates to a friction type bag opener applicable to various materials and belongs the field of packing and unpacking machines and particularly relates preparation processes of finish product packing. The friction type bag opener comprises a mechanical unit and an electric unit, wherein the mechanical unit comprises a conveying belt, movable friction wheels, a movable rack, a fixed friction wheel and a support rack, and the electric unit is composed of a power source, a PLC (programmable logic controller), a stepping motor driver and a stepping motor; woven bags require bag opening treatment. Due to the fact that the friction coefficient between the rubber of friction parts and plastic bags is larger than that among the plastic bags, the plastic bags can glide and accordingly be opened. The friction type bag opener can achieve automated bag opening operation and replace manual operation, thereby effectively improving the opening efficiency of woven bags and obviously enhancing the automation degree.

The invention discloses a flying bar fixing seat. The flying bar fixing seat is integrally cuboid. A flying rod positioning hole penetrating the front and back of the flying bar fixing seat and a lower end opening are formed in the lower part of the flying bar fixing seat; the upper end of the lower end opening is communicated with the flying bar positioning hole; the lower end of the lower end opening penetrates downwards; vertically-through mounting clamping grooves are formed in the left side and the right side of the flying bar fixing seat respectively; a groove which extends vertically and penetrates upwards the e flying bar fixing seat is formed in the upper part of the flying bar fixing seat; the section of the groove is rectangular; open grooves penetrating outwards through the flying bar fixing seat are formed in the front side wall and the rear side wall of the groove respectively; the left side and the right side of the groove are close to the two mounting clamping grooves respectively; two elastic beams are formed on the upper sides of the two open grooves of the flying bar fixing seat respectively; and protrusions protrude upwards are arranged in the middles of the elastic beams. With the flying bar fixing seat adopted, the phenomena of difficult installation or even unavailable installation and shaking after installation can be effectively reduced.

The invention discloses an energy-absorbing safe passenger train which comprises an ordinary passenger train set. The invention is characterized in that the energy-absorbing safe passenger train comprises shock-proof energy-absorbing coaches arranged at the front end and the back end of the ordinary passenger train set; the front end and the back end of the ordinary passenger train are respectively provided with two shock-proof energy-absorbing coaches; and the two ends of the shock-proof energy-absorbing coaches are provided with an energy-absorbing structure, and the middle part thereof is aelastic-changing structure. The energy-absorbing safe passenger train overcomes the defect that the safeguards can not be provided effectively when the existing passenger train is collided, can be applicable to power centralized passenger trains and power decentralized passage trains, and can provide passive safeguards to passengers when the passenger train is collided.

Provided is a rapid multi-gap vacuum disconnector. The rapid multi-gap vacuum disconnector comprises an electrode structure, current-carrying contacts, a metal carrier structure, a driver, an insulating driving pull rod structure and a vacuum cavity, wherein the electrode structure comprises a movable main electrode connected with a corrugated pipe and a fixed auxiliary electrode, the insulating driving pull rod structure comprises contact carrier fixing sealing plates to which current-carrying contact metal carriers are fixed, corrugated pipes and an insulating driving pull rod, the corrugated pipes and the insulating driving pull rod are connected with the contact carrier fixing sealing plates, the current-carrying contacts are installed on the current-carrying contact metal carriers respectively, and working modes are switched through the insulating driving pull rods; the insulating driving pull rods drive the current-carrying contacts to shift through the contact carrier fixing sealing plates and the current-carrying contact metal carriers connected with the contact carrier fixing sealing plates, so that a circuit is formed by the main electrode, the auxiliary electrode and the current-carrying contacts when the rapid multi-gap vacuum disconnector is in the current-carrying working state; multi-gap vacuum insulation is formed by the main electrode, the auxiliary electrode and the current-carrying contacts when the rapid multi-gap vacuum disconnector in the isolation working state. According to the rapid multi-gap vacuum disconnector, application of multi-gap vacuum insulation in the rapid disconnector is achieved, and the high-voltage resistance capacity of the rapid multi-gap vacuum disconnector is improved.

The invention relates to a clamping device for piecing and connecting a pouring template of a building. The clamping device comprises a support, a moving handle and an elastic clip, wherein the elastic clip is made of spring steel, and is provided with a left and a right clamping parts; the support is provided with a hooking part, and a horizontal extending part used for restraining a rectangularhole of the elastic clip is arranged on the support; the moving handle is hinged with the support by taking the end part at one end of the moving handle as a fulcrum and the other end of the moving handle as a force point, and a gravity point is arranged between the fulcrum and the force point, and is hinged with the upper end of the elastic clip; the elastic clip penetrates through the rectangular hole of the support, and freedom for the displacement of the elastic clip is preserved in the longitudinal direction of the rectangular hole; the lower parts of the left and the right clamping parts of the elastic clip are of an inward opposite bent shape; when in a free state, the lower parts of the left and the right clamping parts open, and the opening distance of the lower parts is greater than the width of the rectangular hole of the support; and the upper parts of the left and the right clamping parts make contact with the long edges of the rectangular hole. The clamping device can beused for rapidly fastening and connecting the pieced pouring template, and has the advantages of convenience for use, simple structure and easiness for manufacture.

The invention provides a reaction chamber, which includes a grounded cavity, in which a lower electrode and a lining assembly are arranged, the lining assembly includes a lining ring, the lining ring includes a cylinder and an annular part, and the upper end of the cylinder is in contact with the chamber. The body is connected and grounded through the cavity; the annular part is horizontally arranged at the lower end of the cylinder and surrounds the lower electrode, and the annular part is provided with a plurality of first mesh holes surrounding its circumference. The lining assembly also includes an annular backing plate stacked on the annular portion, and a plurality of second sieve holes are arranged on the annular backing plate, the number of the second sieve holes corresponds to the number of the first sieve holes, And the second sieve holes are set in one-to-one correspondence with the first sieve holes. The reaction chamber provided by the present invention can effectively annihilate the plasma passing through the sieve on the surface of the sieve, thereby avoiding radio frequency leakage.

The invention relates to the field of rubber, and particularly discloses a rubber pipe molding device which comprises a framework, a stepper motor, an extrusion pipe and a core mechanism. A feed pipeis fixed onto the extrusion pipe; the core mechanism comprises an inner rod, a rotary shaft, a liquid inlet pipe, a liquid outlet pipe and a piston, the inner rod can be driven by the stepper motor torotate, an accommodating cavity is arranged in the inner rod, openings are formed in the side walls of the accommodating cavity, elastic sheets are arranged outside the openings and are fixed to theouter wall of the inner rod, first magnets are embedded in the elastic sheets, and second magnets are fixed onto the rotary shaft; the piston is positioned in the accommodating cavity and is in threadfit with the rotary shaft, balls are arranged between the piston and the rotary shaft, a slide groove is formed in the side walls of the accommodating cavity, and a slider is fixed onto the piston; aliquid inlet check valve and a liquid outlet check valve are fixed into the liquid inlet pipe and the liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe are communicated with the accommodating cavity. According to the scheme, the rubber pipe molding device has the advantages that tensile force required for pulling rubber pipes can be reduced, and the rubber pipes can be prevented from being dragged to deform.

The invention discloses a method for slotting and cutting the inner wall of a noncontinuous box. The method includes: step 1, making two process supports, and machining a reference face; step 2, machining six connecting holes; step 3, machining a right inner wall face; step 4, machining a left inner wall face. By the method, machining of the noncontinuous box on a slotting machine is realized, and shape and position accuracy of each machined face is guaranteed effectively; the problem of machining rebound deformation caused by rigidity difference of the noncontinuous box is solved; the problem of deformation of a toolbar due to the fact that the toolbar extends out excessively is solved; the problems of positioning and centering when the noncontinuous box is machined on the slotting machine are solved; requirements on position degree between holes in the box and the left inner wall face as well as the right inner wall face of the box are met, the method is high in universality, and production efficiency is improved effectively.