34results about How to "The processing technology is simple and reliable" patented technology

The invention discloses an anchoring structure for a liquid-injection corrosion-resistant anchor rod or anchor cable and a construction method thereof. The anchoring structure comprises a resin end-anchored anchor rod or anchor cable body arranged in an anchor hole, wherein a grouting-stop plug is also arranged at the opening of the anchor hole; an anchor rod head or an anchor cable head is exposed out of the anchor hole from the plug hole of the grouting-stop plug; the grouting-stop plug is also provided with two plug holes; a liquid injection nozzle is inserted into one plug hole and chemical grout is filled into the anchor hole through the liquid injection nozzle; an exhaust pipe with two open ends is inserted into the other plug hole; a check-valve ball and a return spring are arranged in the liquid injection nozzle; a locking slot connected with grouting equipment is reserved on the peripheral surface of the liquid injection nozzle; the length of the exhaust pipe is equivalent to that of the end-anchored anchor rod or anchor cable; and exhaust holes are reserved on the peripheral surface of the exhaust pipe close to the bottom of a drilled hole. The anchoring structure solves the problem of sealing water and preventing corrosion of anchor rod holes at the positions such as an arch part and the like, not only can serve as permanent support, but also can serve as temporary support.

The invention discloses an expendable pattern casting technique for an aluminum alloy internally provided with a spiral coiled tube water passage. According to the technique, the spiral coiled tube water passage made of stainless steel or copper is prefabricated firstly, and the upper end and the lower end of the spiral coiled tube water passage are provided with a water inlet and a water outlet which are capable of being exposed out of the column face of a motor shell correspondingly. A foaming mold is utilized for positioning and forming, an integrated motor shell EPS white mold internally comprising the prefabricated spiral coiled tube water passage can be machined through one-time forming, and then through the expendable pattern casting technique, the aluminum alloy motor shell internally provided with the spiral coiled tube water passage in an embedded mode is casted. An auxiliary structure capable of being tightly combined with the casted aluminum alloy shell is arranged on the spiral coiled tube water passage, internal stress generated by cold-hot change is reduced, and the shell is prevented from cracking. The spiral coiled tube water passage is further connected with a casting technique supporting framework, the aluminum alloy motor shell internally provided with the spiral coiled tube water passage can be stably and reliably casted on a large scale through an expendable pattern, the prefabricated spiral coiled tube water passage does not need to be filled with sand before casting, the water passage is smooth and not prone to being plugged, and it is ensured that the cooling effect is good.

The invention discloses a thermal expansion valve with a unidirectional control function. The thermal expansion valve comprises a valve (1), a temperature sensing assembly (2) and a first valve element assembly (4). The valve (1) is provided with an inlet channel (11) and an outlet channel (12), the temperature sensing assembly (2) is arranged at one end of the valve (1), the first valve element assembly (4) is arranged in an inner cavity of the valve (1) and comprises a valve stem (41) and a first valve element (42), the valve stem (41) is abutted to the temperature sensing assembly (2), and the first valve element (42) is matched with a first valve port (14) arranged in the inner cavity (13), so that the flow of medium fluid which flows from the inlet channel (11) to the outlet channel (12) can be controlled. The thermal expansion valve is characterized in that the valve (1) is further provided with an accommodating portion, a cover (5) is arranged in the accommodating portion, and an inner hole (16) of the cover (5) is communicated with the inlet channel (11) and the inner cavity (13) to form auxiliary fluid channels. Compared with the prior art, the thermal expansion valve with the unidirectional control function has the advantages that the cover is arranged on the valve, so that a valve machining process is simplified; a valve port and a sealed position can be machined on the cover in the preferred scheme by means of drawing at one step, and a guide portion or limiting portion can be arranged on the cover by means of stamping, so that the machining process is simple and reliable, and the thermal expansion valve is suitable for mass production.

The invention discloses an LED light source, a luminous ornament and an illumination decorative lighting utilizing a variable optical module to emit light. The variable optical module is composed of an inner shell, an outer shell and transparent media poured in a plurality of cavities between the inner shell and the outer shell. Usually, a layer of reflective film is arranged on the surface of the inner shell. The inner shell is provided with a plurality of small planes corresponding to luminous faces of an LED. The LED is pasted on the small planes on the inner side of the inner shell through transparent adhesive tape, light holes are formed in positions, corresponding to the LED, of the reflective film, and circuits and structural members of the LED are arrayed and fixed on the inner side of the inner shell. Light emitted by the LED forms various light effects and light shapes on the variable optical module after the light is subjected to optical variation. The LED optical variation light source can be made into various shapes like planes, curved faces, embossments and sculptures, and emit light wholly, and also can emit light in partial artistic shapes and artistic patterns. The LED optical variation light source can be used as a light source on the decorative lighting and can also be directly made into the luminous ornament or the illumination decorative lighting.

The invention relates to the technical field of semiconductor memories, and discloses a nanoscale non-volatile resistive random access memory unit utilizing a hemi-spherical grain (HSG) electron beam resist and a preparation method thereof. The memory mainly comprises a first conductive electrode, a through-hole, a first resistive material, a second resistive material, a second metal nano layer, a third resistive material and a third conductive electrode, wherein the through-hole and the first resistive material are formed after a hydrogen silsequioxane (HSQ) electron beam resist is exposed and developed via electron beams. A part left after the HSQ electron beam resist is exposed and developed is utilized as the through-hole, the diameter of the through-hole can be as small as a nano magnitude, and the HSQ electron beam resist which is not completely developed at the bottom of the through-hole can be used as a part or the whole of the first resistive material. By utilizing the preparation method, the resistance changing memory which has the advantages of small device area, high yield and good performance can be obtained; and the semiconductor memory is apt to large-scale integration and practicality.

The invention discloses a retractable guniting wall protector and a construction method thereof. The retractable guniting wall protector is composed of a retractable device and a connecting device, wherein the retractable device is composed of an elastic tubular fan-shaped frame and an elastic annular tube; the fan-shaped frame is composed of a cambered baffle as the top surface and planar baffles as the rest of three surfaces; the height of the fan-shaped frame is suitable for the thickness of the guniting wall; the annular tube is welded in the fan-shaped frame; and in the connecting device, one end of a connecting rod is provided with a lantern ring, and the other end of the connecting rod is connected to the bottom frame opening of the fan-shaped frame. The construction method comprises the following steps: before guniting, installing the retractable guniting wall protector in the position which easily cracks, fixing with an anchor rod through the lantern ring, and guniting to embed the retractable device in the concrete. The retractable guniting wall protector has certain continuous bearing strength and strong deformability, and can sufficiently release tunnel wall deformation, thereby preventing the tunnel wall from rupture due to failure of deformation.

The invention relates to a hydraulic brake motor device, and belongs to the technical field of hydraulic transmission. The hydraulic brake motor device comprises a motor positioning and mounting driving part, a motor main body meshing pair part and a motor braking device part; a motor internal integrated shuttle valve is formed by combining two independent one-way valve functional components, andis radially arranged in radial direction; the two independent one-way valve functional components communicate through a brake release oil cavity to form the shuttle valve. The hydraulic brake device is quite compact in structure, small in radial section size, simple in overall structure, good in manufacturing manufacturability and good in assembling and maintaining manufacturability.

The invention discloses an electric control cabinet control room beam and an electric control cabinet. The problem that an existing electric control cabinet is not safe in use is solved. The electric control cabinet control room beam comprises sealing partition boards with L-shaped sections. The sealing partition boards comprise the first sealing partition board and the second sealing partition board, the two sides of the first sealing partition board are respectively bent inwards so that connecting side boards can be formed; the control room beam is fixedly connected to a cabinet body of the electric control cabinet through the connecting side boards. The outer edge of the first sealing partition board and the outer edge of the second sealing partition board are double-layer pressing edges respectively. Meanwhile, the invention provides the electric control cabinet provided with the electric control cabinet control room beam. Due to the fact that the control room beam is arranged and matched with the bent boards of the control room, the control room and a breaker room are thoroughly separated, hurt to a person due to faulty operation is effectively avoided, and the control room beam is simple and reliable in structure, simple in manufacturing method and high in strength.