43results about How to "Avoid deformation defects" patented technology

The invention discloses a cutting machine for a metal tube, which comprises a lengthwise base, wherein, a first support and a second support for supporting the metal tube are oppositely and horizontally arranged on two ends of the base. The cutting machine is characterized in that a box is movably arranged on the base and positioned between the first support and the second support; the metal tube can penetrate into the box from one side thereof and penetrate out of the box from the other side thereof; the box is internally equipped with a first fixture and a second fixture at an interval for clamping the metal tube; and a cutting device is arranged in a spacing area between the first fixture and the second fixture. When the cutting machine using the structure is used for cutting the metal tube, the cutting device can horizontally move with the metal tube synchronously and complete cutting the metal tube during the movement process of the metal tube so as to effectively prevent the metal tube from being bevelled and deformed.

The invention discloses an in-situ piecewise heat treatment method of a large pressure container, which comprises the following steps: respectively setting an inner cavity of each section of pressurecontainer cylinder body of the large pressure container being installed and constructed into a hearth; starting from the bottom section, performing the heat treatment on one section of pressure container cylinder body when installing and constructing the section of pressure container cylinder body; and installing and constructing one section of pressure container cylinder body on the heat-treatedsection of pressure container, and performing the heat treatment on the former section of pressure container cylinder body until the heat treatment is performed on the installed and constructed highest section of pressure cylinder body. The invention can save the step of heat treatment on a welding circular seam by using an electric heater.

The invention relates to a telescopic clothes rack. The telescopic clothes rack comprises two clothes rack bodies, wherein each clothes rack body comprises a pothook and a clothes rack body part connected to one end of the pothook, the other end of the pothook is a free end, a connecting sheet which can be in sealing connection with the free end of the pothook is articulated at a connecting end between the pothook and the clothes rack body part, two expansion links arranged in parallel are fixedly connected between the two clothes rack bodies, each expansion link comprises multiple fixed links which are sequentially arranged from top to bottom in a lap joint manner, a sliding chute matched with the fixed link at the upper part is formed in the fixed link at the lower part, the two adjacent fixed links are fixed together through elastic positioning screws arranged at the lap joint ends of the fixed links, and a flexible supporting net is formed between the two expansion links. When the telescopic clothes rack is used, clothes can be spread out on the supporting net so as to avoid the defect that when the clothes are vertically hung, the clothes deform; when the telescopic clothes rack is not in use, the extension links can be folded, and the telescopic clothes rack is easy to store and place; and when the telescopic clothes rack is hung on a clothesline or a clothesline pole, the telescopic clothes rack does not fall off, so that the clothes is prevented from being polluted.

The invention discloses a wind guide swinging blade assembly structure and an air conditioner. The wind guide swinging blade assembly structure comprises a volute tongue, and wind guide swinging blades assembled at the volute tongue, wherein the volute tongue is provided with mounting columns; buckling grooves are formed in the mounting columns; a locking holding piece is formed at one end of one wind guide swinging blade correspondingly; buckling parts are formed at the locking holding pieces; the locking holding pieces are arranged at the mounting columns in a sleeving manner; and the buckling parts are buckled in the buckling grooves. With the adoption of the wind guide swinging blade assembly structure, the wind guide swinging blades can be mounted at or dismounted from the volute tongue more conveniently and quickly, and damage to the wind guide swinging blades is avoided.

The invention discloses an upright thermal treatment furnace for a pressure container factory, which comprises a heat insulation furnace shell and a thermal treatment facility positioned in the pressure container factory, wherein a traveling crane of the pressure container factory shifts a large pressure container section to be thermally treated to the thermal treatment facility, the large pressure container section is upright on the thermal treatment facility and is enclosed by the heat insulation furnace shell so that the thermal treatment facility directly sets the upright large pressure container section to be thermally treated as a hearth, and the large pressure container section is heated through thermal radiation, convection and conduction so as to carry out the thermal treatment on the large pressure container section. Through the thermal treatment for the large pressure container section, the technical problem that a large pressure container is easy to deform in the thermal treatment is solved.

The invention relates to the field of pipeline detection, and particularly relates to a detection alarm system for automatically checking deformation of an inner wall of a pipeline. The technical scheme is the detection alarm system for automatically checking deformation of the inner wall of the pipeline comprises a pipeline; the pipeline is connected with a conveying device for conveying a pipeline; a metal piece is placed in the pipeline, and the pipeline is externally provided with an electromagnetic induction system and a magnet for sucking the metal piece respectively; the electromagnetic induction system comprises an alarm. The invention provides the detection alarm system for automatically checking if the inner wall of the pipeline is deformed; the detection alarm system solves the problems that the existed pipe wall detection device cannot detect the deformation of the inner wall of the pipeline, and the detection result is unreliable.

The invention provides a medical waste treatment device and a manufacturing method thereof. A gating system is a cold runner point pointed gate pouring manner, single-point feeding is achieved, in order to shorten the length of the runner and ensure the injection molding liquidity of a material flow, a flange type positioning ring flange sleeve is adopted in a gate sleeve, a phi8mm round runner isadopted in a horizontal runner on a flowing plate in the runner system, a pointed gate sleeve independent embedding manner is adopted in a vertical runner penetrating a fixed mold plate, and the gatewater inlet diameter is phi1.2mm.

The invention relates to a cover plate structure of a battery, comprising a base plate and a sealing device, wherein the base plate is provided with a threaded through hole; the sealing device is hermetically assembled and connected with the threaded through hole of the base plate. The cover plate structure has the advantages of good closing effect in a formation process, simple process, easy operation, good sealing effect, resource reusability and enhanced production efficiency; in addition, a screw and the threaded through hole are separated from each other or generate a gap due to overhigh internal air pressure in the using process of the battery so that the internal air pressure of the battery is released and the phenomena, i.e. shell bulge, valve bulge, and the like of the battery are prevented, and thereby the service life of the battery is prolonged.

The invention relates to a printer, in particular to a positioning system for a laser printer, which comprises a positioning plate, a cylinder clamp and a positioning device, wherein the cylinder clamp is arranged on the positioning plate and connected with the printer through a cylinder clamp connector, and the positioning device is arranged below the positioning plate. The positioning device comprises an upper pressing block component and a lower pressing block, the upper pressing block component is slidably connected with the positioning plate, and the lower pressing block matched with the upper pressing block component is fixed below the upper pressing block component. The positioning system for the laser printer has the advantages of accuracy in positioning, difficulty in damaging positioned products, high universality, high compatibility and low cost.

The invention discloses a piecewise heat treatment method of a large pressure container, which comprises the following steps: building a temporary combustion heating furnace near an installation siteof the large pressure container; vertically installing the pressure container section into the combustion heating furnace, setting an inner cavity of the pressure container section into a hearth; butting a combustor with the bottom of the pressure container section; and combusting and heating the pressure container section by using the combustor. Compared with the traditional method for heat treatment by using an industrial furnace, the invention can improve the heat treatment speed to the pressure container section by building the temporary combustion heating furnace to perform the piecewiseheat treatment on the pressure container section.

The invention discloses a metal hot processing solid-state lubricant, and relates to a solid-state lubricant. The metal hot processing solid-state lubricant comprises lubricants, heat-resistant components, stabilizers and preservatives. The metal hot processing solid-state lubricant particularly comprises, by weight, 25-40% of molybdenum disulfide, 20-30% of stearic acid, 10-20% of paraffin wax, 10-20% of oleic acid, 0.5-2% of sodium phosphate, 2-8% of silicone oil, and 0.5-2% of sodium benzoate. A method for preparing the metal hot processing solid-state lubricant includes placing the silicone oil, the paraffin wax and the stearic acid into a water bath kettle, and mixing and heating the silicone oil, the paraffin wax and the stearic acid with one another until the temperatures reach 80 DEG C so as to obtain first mixtures; stirring the first mixtures by an electric stirring machine, and slowly adding the molybdenum disulfide into the first mixtures after the first mixtures are uniformly stirred; sufficiently stirring the molybdenum disulfide and the first mixtures to obtain second mixtures and simultaneously adding the oleic acid, the sodium benzoate and the sodium phosphate intothe second mixtures; uniformly stirring the oleic acid, the sodium benzoate, the sodium phosphate and the second mixtures to obtain third mixtures, then pouring the third mixtures into molds and cooling the third mixtures to obtain the metal hot processing solid-state lubricant. The metal hot processing solid-state lubricant has the advantages of good mold release effect and stability, high-temperature resistance and environmental protection. Besides, the metal hot processing solid-state lubricant can be used for lubricating large complicated aluminum alloy die castings and forged pieces in the field of metal hot processing industry.

The invention discloses a dual-pulley pathway mechanism for a medical suspension bridge, and belongs to the field of medical equipment. The pathway mechanism comprises a guide rail and a sliding base which is arranged on the guide rail, wherein the cross section of the sliding base is of a U-shaped structure; two pulleys are respectively arranged on the inner and outer edges of two sides of the sliding base; chutes, which correspond to the pulleys, are respectively formed in two sides of the guide rail; and the pulleys are matched with the chutes and are capable of sliding along the chutes. The pulleys, which are arranged on the inner and outer edges of two sides of the sliding base, are operated in a mode of being matched with the chutes, and two sides of the sliding base are simultaneously exerted uniformly, so that the overall bearing capacity and balancing capacity of the sliding base are improved; therefore, the pathway mechanism can overcome the defect that the chute of the guide rail becomes deformed with the sliding of a single pulley, so as to improve the operating stability and reliability of the pathway mechanism.

The invention relates to a temperature-measuring furnace door for a thermal treatment furnace. The temperature-measuring furnace door comprises a door body. A plurality of temperature measuring points are arranged on the door body. An opening is formed in the bottom of the door body. A temperature measuring plate is mounted at the opening. The temperature measuring plate is provided with detecting points corresponding to the temperature measuring points. The detecting points and the temperature measuring points are connected through temperature conductive wires. The temperature-measuring furnace door has the advantages that the temperature measuring plate is arranged at the lower opening, only the detecting points on the measuring plate need to be measured during detection, the furnace door needs not to be opened, temperature measuring operation is simple, and the defect of furnace door deformation can be avoided.