37results about How to "Meet mechanical requirements" patented technology

The invention discloses a construction method of a bamboo wood reinforcement bidirectional enhanced part-cut and part-fill weak roadbed, comprising the following steps of: (1) machining a bamboo wood; processing a bamboo sheet; and manufacturing a bamboo rib cage, a bamboo rib grid and a bamboo rib U-shaped anchor nail; (2) flattening a field and setting out a pile position; (3) utilizing a vibration shock method of a vibration immersed tube method to construct to form a bamboo rib cage crushed stone pile and paving a crushed stone cushion layer on a pile top; and (4) digging a step; paving, connecting and anchoring the bamboo rib grid; and backfilling a soil material and rolling and leveling. The construction method is characterized in that the bamboo rib cage can effectively improve the bearing capability and the stability of the crushed stone pile; the bamboo rib grid can reinforce the connection between a filling region and a digging region, the differential deposition is reduced, and sliding and instability of sliding along a filling and digging connecting face is prevented; and the construction method has the beneficial effects that a bamboo rib is used as a reinforcement material so that a construction industry is developed towards a low-carbon, energy-saving, environment-friendly and sustainable development direction, and saves the investment under the condition of meeting the requirements of roadbed bearing capability and deformation stability.

The invention discloses a special soil subgrade structure and a construction method thereof. The special soil subgrade structure comprises a special soil, a triple-combined soil, a cohesive soil, a gravel cushion and a triple-combined soil base course, wherein bamboo filaments are additionally mixed in the triple-combined soil. According to the invention, the bearing capacity and the stability of the special soil subgrade structure can be improved; influences of extraneous water, such as side slope seepage, surface water, underground water and the like, on special soil can be also effectively blocked; the special soil sensitive to water, such as an expansive soil, a collapsible loess, a red clay, a salinized soil and the like, can be directly used for laying of the subgrade; building fillers can be sufficiently utilized to avoid spoiling of excavation soil, borrowing of fillers and transferring of the fillers; and the adoption of a novel bamboo material as reinforcing and slope-protecting materials adapts to a demand that the civil construction industry is developed towards low-carbon, energy-saving, environment-friendly and sustainable directions. Therefore, the special soil subgrade structure disclosed by the invention can save project investment and is energy-saving and environment-friendly.

The invention provides a shoe making method applying three-dimensional sole data. The shoe making method comprises the following steps: a step a, scanning a sole and obtaining a determined sole three-dimensional dimension through a sole three-dimensional data processing system; a step b, according to the obtained sole three-dimensional dimension, matching an existing shoe tree to obtain an instep dimension; a step c, automatically processing the sole in a three-dimensional shape according to the sole three-dimensional dimension; a step d, adopting a conventional lasting surface, pressure adhesive and the sole in the three-dimensional shape to adhere and make a shoe; a step e, pushing out the shoe tree to obtain a three-dimensional shoe which is fitted with a human sole in three-dimensional dimension data, or combining the steps d and e to perform conventional shoe making by adopting the conventional lasting surface, the pressure adhesive and an adaptive existing shoe tree, pushing out the shoe tree and putting the shoe sole in the three-dimensional shape into a shoe. The shoe making method solves contradiction between mass production and high-cost personalized customization, and realizes quickly manufacturing personalized customization shoes in a large-scale manner with a bit high cost.

The invention relates to a novel seatainer lockset material and a heat treatment process thereof, wherein the material is 25CrMnSi. The heat treatment process comprises the following steps: normalizing at 920+ / -10 DEG C for 120 minutes, performing air cooling; quenching at 880+ / -10 DEG C for 180 minutes, performing water cooling; tempering at 610+ / -10 DEG C for 180 minutes, and performing air cooling. The tensile strength of the lockset material is 850Mpa, the yield strength is 700MPa, the Brindle hardness number (HB) is 240-280; and the material can meet the mechanical requirements of the seatainer lockset material and be characterized in that the metal cost is low, the material has good and proper strength, hardness, plasticity and toughness, the heat treatment processing equipment is simple, the operation is convenient and the environment pollution is low.

A technology for manufacturing the axle of clutch includes such steps as forging to form a T-shaped short axle, cold spinning on one end of said T-shaped axle to form a hub, and cold spinning of the axle to become a hollow long axle with the aperture ratio of 4-8.

The invention provides a chamfering device for floor packaging boxes. The chamfering device comprises two supports arranged in parallel; multiple rollers are arranged between the supports, a conveyingbelt is arranged on the rollers, and the conveying belt is used for conveying the floor packaging boxes; a door-shaped machine frame is installed on the supports, and two air cylinders are installedon the door-shaped machine frame; and chamfering blocks are arranged at the bottom parts of the air cylinders, and the two chamfering blocks are in contact with two corner edges at the two sides of the top part of each of the floor packaging boxes. The chamfering device for the floor packaging boxes has the advantages of being relatively good in rigidity integrity, structure is simple and applicable, adjustment is convenient and rapid, chamfers are orderly and uniform, the appearance of packaging of products of a company is improved, the universal adaptability with the machine frame is good, adjusting is simple and convenient, the structure meets mechanical requirements, and the defects in an existing manual operation are overcome.

The invention relates to a switching rocker (1) of a shifting device for a gear wheel gear change box, particularly for motor vehicles, comprising two half parts (2) forming a selector gate (19), the parts being rigidly connected to each other by means of a connecting element (3). The invention furthermore relates to a method for producing such a switching rocker, wherein the two half parts (2) forming a selector gate, the parts each being provided with an insertion tab (10) for a pivoting support of the switching rocker and an insertion tab (12) for receiving sliding pieces, are positioned by means of the insertion tabs and rigidly connected to each other by a connecting element (3).

The invention provides a deep trench filling method of a superstructure. The method comprises the steps of A. providing a deep trench to form the superstructure; B. growing a P-type epitaxial layer in the deep trench; C. depositing an oxidation layer in the middle of the P-type epitaxial layer and filing the deep trench; D. dry etching the oxidation layer in the deep trench to enable the top of the deep trench to be opened; and E. continuing to deposit the oxidation layer in the deep trench and filling the deep trench, wherein the deep trench is positioned in the N-type epitaxial layer on an N-type semiconductor substrate; and a gap is remained in the middle of the P-type epitaxial layer. Through alternately depositing the oxidation layer in the deep trench of the superstructure and etching the oxidation layer at the top of the deep trench to enable the trench opening to be fully opened, the method realizes completely seamless deep trench filling gradually, eliminates the long and narrow gap in the trench, avoids leakage phenomenon, and enables the power MOS device to meet the electrical requirement on high voltage bearing and the mechanical requirement on grinding and packaging a silicon wafer into sheets.

The invention relates to an embossing roller (1), comprising an inner hollow chamber (10), to which a vacuum can be applied, and a wall (11), which surrounds the hollow chamber (10) and which has a structured surface (12), which comprises elevations (120) and recesses (121) and which comprises pores that communicate with the inner hollow chamber (10), wherein the wall (11) comprises a plurality of discrete and successive layers (111, 112, 113, 114) following one another from the hollow chamber (10) in the direction of the surface (12) and wherein the individual layers (111, 112, 113, 114) are based on epoxy-resin mixtures filled with fillers and comprise capillaries that communicate with each other and cavities for forming the pores.

The invention discloses an on-pole permanent magnet vacuum breaker with a manual switching-on and switching-off device. The on-pole permanent magnet vacuum breaker with the manual switching-on and switching-off device comprises three vacuum arc extinguish chambers, the vacuum arc extinguish chambers are connected with a connection rod part through contact springs, the positions, between the middle vacuum arc extinguish chamber and the adjacent vacuum arc extinguish chambers, of the connection rod part are provided with switching-off springs and a connecting lever respectively, the middle of the connecting lever is provided with a shaft, one end of the connecting lever is connected with the connection rod part, and the other end of the connecting lever is connected with a permanent magnet mechanism. The on-pole permanent magnet vacuum breaker with the manual switching-on and switching-off device is characterized in that the position, between the switching-off springs and the middle vacuum arc extinguish chamber, of the connection rod part is provided with the manual switching-on and switching-off device, and the manual switching-on and switching-off device can manually drive the connection rod part to move under the condition of not depending on the permanent magnet mechanism. The manual switching-on and switching-off device is additionally arranged in the on-pole permanent magnet vacuum breaker and is located inside a box of the breaker, energy is obtained manually and is applied on a drive pull rod through force conversion, and the switching-on energy is provided. The on-pole permanent magnet vacuum breaker with the manual switching-on and switching-off device achieves emergency manual switching-off and switching-on operations, the structure is simple, few parts are needed, few fault points exist, and reliability is high.

The invention relates to a bending device for a fixing rod in the spine vertebral pedicle and a working method of the bending device, and belongs to the field of medical instruments. The bending device comprises an installing plate which is round, and a fixed barrel and a movable barrel are arranged on the upper side face of the installing plate; the fixed barrel is fixed to the installing plate,the lower portion of the right end of the movable barrel and the lower portion of the left end of the fixed barrel are hinged together, the hinging point of the movable barrel and the fixed barrel islocated in the circle center of the installing plate, the fixed barrel is fixed to the installing plate, and the interior of the fixed barrel is hollow and is a fixing hole. In this way, the angle ofthe bent rod can be accurately and strictly controlled, and is adjustable, adaptability is high, and operation efficiency is greatly improved.

The invention relates to a type of high-toughness alloy steel, and a heat treatment device thereof. The material is a 25CrMnSi material. The heat treatment device comprises orderly arranged components of: a normalizing furnace in which a temperature can be configured as 920 DEG C +-10 DEG C, and a residence time can be configured as 120 minutes; a quenching furnace in which a temperature can be configured as 880 DEG C +-10 DEG C, and a residence time can be configured as 180 minutes; a quenching tank in which a temperature of a cooled product is configured as 300 DEG C, wherein a cooling medium of a water-soluble quenching liquid is placed in the quenching tank; and a tempering furnace in which a temperature can be configured as 610 DEG C +-10 DEG C, and a residence time can be configuredas 180 minutes. The tensile strength of the material is 850Mpa, the yield strength of the material satisfies 700Mpa, and the hardness HB of the material is 240 to 280. With the material, mechanical requirements of ship-use container lockset material can be satisfied. Also, the material has advantages of low metal cost, good and appropriate strength, good and appropriate hardness, good and appropriate flexibility, and good and appropriate toughness. The heat treatment device has advantages of easy processing, simple equipment, convenient operation, and low environmental pollution.

A prefabricated pipe for a reclaimed water pipe network of a housing estate comprises a pipe body, wherein the cross section of the pipe body is circular-ring-shaped, the inner surface of the pipe body is coated with a corrosion resistance coating, the outside of the pipe body is an anti-freezing coating, the outer surface of the anti-freezing coating is a prefabricated insulating layer, the cross section of the prefabricated insulating layer is triangular, the outside of the prefabricated insulating layer is coated with a corrosion resistance coating, and the corrosion resistance coating improves the weather resisting performance of the prefabricated pipe for the reclaimed water pipe network. The triangular shape of the cross section of the prefabricated insulating layer meets the mechanical requirement of the prefabricated pipe in an underground soil layer.

The invention discloses a large-dosage coal ash composite self-insulation building block and a preparation method thereof. The building block comprises a rectangular building block body on which multiple through holes are formed through extrusion, wherein semi-open through holes are symmetrically formed on two sides of the rectangular building block body; a thermal insulation material mixed by rice hull, silicate cement and 901 glue according to mass percentage is filled in the semi-open through holes and the multiple through holes; and the thermal insulation material is compacted, flattened, naturally cured to prepare the building block. The coal ash, coal ash ceramsite, rice hull, other industrial and agricultural wastes and light materials serve as main components, and a self-insulation function can be realized. The building block has the volume density of 676-704kg / m<3>, so that the capacity of the building block is greatly reduced, and the building deadweight and construction cost are reduced. The comprehensive dosage of the coal ash is more than 70 percent, the resources are fully utilized, and waste materials are changed into valuable materials. The building block are few in holes and rows and easy to form, and the damage rate in the processing, transport and construction process is low.

The invention relates to a pedal-type pedicle internal fixation bar bending device and a working method thereof, and belongs to the field of medical apparatuses. The pedal-type pedicle internal fixation bar bending device comprises a base, wherein a pedal is hinged at the outer side of the upper surface of the base; the end of the pedal is hinged at the lower end of a connecting rod; a spring is arranged between the pedal and the base; a supporting pillar is vertically fixed to the base; a mounting plate is fixed to the supporting pillar; a dynamic plate is hinged on the upper surface of the mounting plate; the hinged end of the dynamic plate is represented as a semi-arc structure; and the hinged end of the semi-arc dynamic plate takes a hinged point as a circle center, and the diameter ofthe hinged end is consistent with the width of the dynamic plate. The angle of a bent bar can be precisely and strictly controlled, and the angle of the bent bar is adjustable; therefore, the bent bar is strong in adaptability, and operating efficiency can be greatly improved.

A container lock product and its heat treatment process and equipment, wherein the product material is 25CrMnSi, and its heat treatment includes: normalizing: temperature 920°C±10°C, air cooling after holding time for 120 minutes; quenching: temperature 880°C±10°C , Water cooling after holding time for 180 minutes; tempering: temperature 610°C±10°C, air cooling after holding time for 180 minutes. At the same time, corresponding heat treatment equipment is provided. The tensile strength of the container lock products obtained by the above heat treatment process and equipment meets: 850MPa, the yield strength meets: 700MPa, and the hardness HB: 240-280, which meets the mechanical requirements of marine container lock products and has low metal cost and good quality. Appropriate strength, hardness, plasticity and toughness, as well as the characteristics of simple heat treatment process equipment, convenient operation, and little environmental pollution.

A prefabricated engineering pipe for municipal tap water comprises an engineering pipe body with a circular-ring-shaped section. The inner surface of the engineering pipe body is coated with a corrosion-resistant coating. A heat-preservation layer is located outside the engineering pipe body. A concrete shell is located on the outer surface of the heat-preservation layer, and the section of the concrete shell is trapezoidal. The outside of the concrete shell is coated with a corrosion-resistant coating. The outside of the concrete shell is coated with the corrosion-resistant coating, so that the corrosion resistance of the prefabricated engineering pipe is improved. The section of the concrete shell is trapezoidal, so that the mechanics requirement of the concrete shell in an underground soil layer is met.

The invention discloses a food mechanical characteristic detection device imitating human teeth and jaw movement cycle, including a bracket, a bionic lower jaw, a bionic tooth, a bionic upper jaw, a fixed ejector rod, a rotating shaft, a sleeve, a stepping motor and a rotating body, and the stepping motor is installed On the top of the bracket, the motion of the output shaft of the stepping motor is transmitted to the rotating shaft, which drives the bionic upper jaw to rotate. The sleeve is fixed on the bracket, and the bionic lower jaw is fixedly connected to the sleeve. The rotating shaft passes through the bionic lower jaw and the bionic The upper jaw is connected, the bionic teeth are installed on the bionic upper jaw, the fixed ejector rod is fixed on the bionic lower jaw, the swivel body is fixedly connected with the rotating shaft, and the upper end of the swivel body is in contact with the lower end of the fixed ejector rod. The device of the invention imitates human-tooth-jaw circulation cycle food machinery characteristic detection device, which has ingenious and simple structure, low cost and high measurement accuracy, meets the requirements of food machinery, and can be used to measure the mechanical characteristics of food.

The invention relates to a heat processing process for a lockset material and equipment thereof. The material is 25CrMnSi. The heat processing process comprises the following steps of: normalizing at the temperature of between 920 + / -10 DEG C, keeping the temperature for 120 minutes, and cooling by air; quenching at the temperature of 880 + / -10 DEG C, keeping the temperature for 180 minutes, and cooling by water; tempering at the temperature of between 610 + / -10 DEG C, keeping the temperature for 180 minutes, and cooling by the air. The invention also provides heat processing equipment corresponding to the method. The lockset material prepared by the heat processing process and the heat processing equipment have the following properties: the tensile strength of the lockset material is 850MPa, the yield strength is 700 MPa, the brinell hardness (HB) is between 240 and 280. And the heat processing process and the heat processing equipment have the characteristics of low metal cost, high strength, hardness, plasticity and toughness, simplicity, convenience for operation and small environmental pollution while meeting the mechanical requirements of the lockset material of marine containers.

A technology for manufacturing the axle of clutch includes such steps as forging to form a T-shaped short axle, cold spinning on one end of said T-shaped axle to form a hub, and cold spinning of the axle to become a hollow long axle with the aperture ratio of 4-8.

The embodiment of the invention provides a large-load column-free arc-shaped top plate formwork and a construction method thereof. The large-load column-free arc-shaped top plate formwork comprises a spliced steel truss arch structure, wherein the spliced steel truss arch structure is provided with an arc-shaped top wall, a plurality of anti-skid blocks are fixedly arranged on the arc-shaped top wall at intervals, and each anti-skid block is provided with a stopping space; supporting blocks are arranged in the stopping spaces of the multiple anti-sliding blocks in a one-to-one correspondence mode, and a top plate formwork is arranged on the sides, away from the arc-shaped top wall, of the supporting blocks. According to the assembled steel truss arch structure, through the assembled structure in the horizontal direction and the vertical direction, on-site welding operation is not needed, the steel truss arch structure better meets the mechanical requirement of theoretical calculation, waste of materials is reduced, and due to the fact that the steel truss in the vertical direction of the arch structure is necessarily segmented, therefore, the vertical support in a certain area can be independently manufactured or replaced, and maintenance cost and manufacturing cost are low.