38results about How to "Solve problems such as damage" patented technology

The invention relates to punching equipment for forming a carrier tape. The punching equipment comprises a base (1), a punching device (13), a towing device, a rolling-up device (10) and a control cabinet (15). The punching device (13) is installed on the base (1) and comprises a female die (21), a male die (20) matching with the female die (21), a push rod (18) and a gas cylinder (17). The towing device comprises a guide plate A (3), a guide plate B (7), a lead rail (4), a lead screw (6), a towing mechanism (5) and a step motor (9). A touch screen (16) is installed on the control cabinet (15) which is connected respectively with the gas cylinder (17), the towing mechanism (5), the step motor (9) and a motor on the rolling-up device (10). The punching equipment has the beneficial effects that the percent of pass of punched holes on the carrier tape is high, the consumption of manpower and material resource is reduced, the automation degree is high, and the punching equipment can effectively solve the problems of degumming, breakage and the like of a cover tape due to the condition that the carrier tape is bended.

The invention discloses an adjustable wafer fixing device and method and a wafer cleaning platform. The adjustable wafer fixing device comprises a plurality of fixing pins, a plurality of elastic devices, a motor and a plurality of sets of torque control systems, wherein the fixing pins are used for fixing wafers and can be installed at the edges of the wafers in an opening and closing mode; the elastic devices are correspondingly connected with the fixing pins and used for controlling movement of the fixing pins; the motor outputs currents or voltages and is used for controlling movement of the elastic devices; one ends of the torque control systems are connected with the elastic devices, the other ends of the torque control systems are connected with the motor, the torque control systems send out signals to control the currents or the voltages output by the motor to make the elastic devices positively or reversely move and then to change positions of the fixing pins. The problem that the wafers are damaged due to too large or too small torque of a part of the wafers because the fixing pins fix the wafers through fixed torque in an existing wafer fixing device is solved.

The invention discloses an integrally casting mold for an aero-engine diffuser. The mold comprises a pedestal and an upper cover plate, wherein an inner ring-shaped cavity structure of the diffuser is integrally formed between the pedestal and the upper cover plate, a frustum cone-shaped loose core is arranged at the center position of the inner ring-shaped cavity structure, a wax injection nozzle communicating with the inner ring-shaped cavity is arranged on the inner ring-shaped cavity structure; and an ejection structure for ejecting the molded diffuser is arranged at the bottom of the inner ring-shaped cavity structure. According to the mold provided by the invention, the diffuser cast can be integrally formed into a ring at a time without subsequent wax molding adhesion, and the problem of reverse pulling of the wax on the mold can be solved, and forming of the aero-engine diffuser with the thick wall is ensured.

A laser beam machining apparatus and a wafer processing method. The laser beam machining apparatus comprises: a to-be-processed object maintaining means having a maintaining surface for maintaining a to-be-processed object; a laser beam irradiation means for irradiating laser beams to the to-be-processed object which is maintained on the to-be-processed object maintaining means; a moving means for enabling the to-be-processed object maintaining means and the laser beam irradiation means to relatively move; and a shooting means for shooting a to-be-processed area of the to-be-processed object which is maintained on the to-be-processed object maintaining means. The laser beam irradiation means comprises: a laser beam oscillating means for oscillating the laser beams; a condenser for converging the laser beams oscillated from the laser beam oscillating means and irradiating the to-be-processed object which is maintained on the to-be-processed object maintaining means; and a spot adjusting means arranged between the laser beam oscillating means and the condenser to perform adjustment to make a spot of the laser beams irradiated on the to-be-processed object which is maintained on the to-be-processed object maintaining means to be a spot having a suitable size on an irradiated surface of the to-be-processed object.

Provided is a wafer processing method, which restrains transmitting beams from damaging the front surface of a wafer. The method comprises the steps of: a wave length setting step: setting the wave length of permeable pulsed laser beams of a wafer in a range of 1300nm-1400nm; a step of forming a reformed layer: positioning the focus of the pulsed laser beams in the wafer so as to irradiate the pulsed laser beams corresponding to the segmentation predetermined lines on the back of the wafer, performing processing and feeding on a retention mechanism and a laser beam irradiation mechanism in an opposite way, and forming the reformed layer in the wafer; and a segmentation step: applying external force to the wafer so as to divide the wafer along the segmentation predetermined lines by using the reformed layer as a segmentation point. The step of forming a reformed layer comprises the steps of: irradiating a first pulsed laser beam having less energy of each pulse to form a first reformed layer; and irradiating a second pulsed laser beam having greater energy of each pulse to overlap with the first reformed layer to form a second reformed layer.

The invention discloses a working method of a depth-adjustable energy-saving cultivation device. The cultivation device comprises a mowing mechanism, a weed collecting mechanism, a furrowing mechanism, a soil powdering mechanism and a control mechanism, wherein a soil detecting device and a depth adjusting mechanism are arranged in the furrowing mechanism, the weed collecting mechanism is arrangedabove the mowing mechanism, the furrowing mechanism and the soil powdering mechanism are sequentially arranged behind the mowing mechanism, and the mowing mechanism, the weed collecting mechanism, the furrowing mechanism, the soil powdering mechanism and the depth adjusting mechanism connected with the control mechanism. The weeding mechanism arranged on the cultivation device cuts off weeds on wasteland, the weed collecting mechanism collects the weeds cut off by the weeding mechanism, the soil detecting device detects the humidity of soil, the required soil turning depth is judged accordingto a detection result, the furrowing depth of the furrowing mechanism is adjusted through the depth adjusting mechanism, the cultivation speed and precision of the cultivation device are improved, and the furrowing depth of the depth adjusting mechanism is adjusted.

The polishing diamond block with metal binder includes one grinding layer, one transition layer and one assembling layer, and features the grinding layer including metal binder and diamond crystal once formed integrally and with slots and holes, and the assembling layer in a tail structure. The present invention has no environmental pollution, low power consumption, high efficiency, long service life and stable product quality, and is suitable for grinding and polishing ceramic tile, stone and glass product.

The invention discloses a deep-adjustable automatic ploughing device which comprises a grass mowing mechanism, a grass collecting mechanism, a ditching mechanism, a soil smashing mechanism and a control mechanism, wherein a depth adjusting device is arranged in the ditching mechanism; the grass mowing mechanism, the grass collecting mechanism, the ditching mechanism and the soil smashing mechanism are arranged on a ploughing device body. The grass collecting mechanism is arranged above the grass mowing mechanism. The ditching mechanism and the soil smashing mechanism are sequentially positioned behind the grass mowing mechanism. The grass mowing mechanism, the grass collecting mechanism, the ditching mechanism, the soil smashing mechanism and the depth adjusting device are connected with the control mechanism. By arrangement of the grass mowing mechanism on the ploughing device, grass on wasteland is cut away through the grass mowing mechanism, the grass collecting mechanism recycles the grass cut by the grass mowing mechanism, the wasteland is subjected to soil turning and ditching through the ditching mechanism, ditched soil is smashed through the soil smashing mechanism, the whole process is simple and convenient, the ploughing speed is improved, and the ditching depth is adjusted through the depth adjusting device.

The invention discloses an intelligent integrated seeding device. The seeding device comprises a ditching mechanism, a seeding mechanism, a mowing mechanism, a weed collecting mechanism, a weed smashing mechanism and a control device, wherein the control device is internally provided with a ditching control mechanism, a seeding control mechanism and a control mechanism, and a spraying device used for spraying smashed weed is arranged at the outlet of the weed smashing mechanism. According to the intelligent integrated seeding device, the mowing mechanism is arranged on the seeding device, weeds in waste land are cut off through the mowing mechanism, the cut weeds are recovered through the weed collecting mechanism, and the recovered weeds are smashed by means of the weed smashing mechanism; the ditching depth is adjusted through a depth adjusting mechanism, space is saved due to the arrangement of the weed smashing mechanism, and then the smashed weeds are sprayed to farmland through the spraying device so that the environment-friendly effect can be achieved; meanwhile, the weeds can serve as the nutrients of soil, so that the effects of energy conservation and environment protection are achieved.

A supporting boot of a propelling device of a shield tunneling machine comprises a gland (1), a propelling seat (2), a connection plate (3), a top plate (4), a supporting plate (5), a supporting block(6), first bolts (7), a main propelling oil cylinder (8), a ball head (9), second bolts (10 and 11), a connection screw rod and nuts (13 and 14); the ball head (9) is a part of the main propelling oil cylinder (8) and is arranged at one end of the main propelling oil cylinder (8); the gland (1) is provided with an inner hole matched with the ball head (9), and the inner hole is provided with thespherical surface; the propelling seat (2) comprises a ball socket; the propelling seat (2) and the gland (1) are attached to the ball head (9); the ball socket of the propelling seat (2) makes spherical contact with the ball head (9); the gland (1) is fixedly connected with one end of the propelling seat (2) through the second bolts (10 and 11); one end of the connection plate (3) is fixedly connected with the other end of the propelling seat (2) through the connection screw rod and the nuts (13 and 14), and the other end of the connection plate (3) is connected with the supporting plate (5)through the first bolts (7); and the top plate (4) is fixedly connected with the connection plate (3). The supporting boot can conduct automatic adjusting steering so as to be closely attached to a pipe segment.

The invention discloses a corrosion inhibitor for acid liquor, which is prepared from the following components in parts by weight: 5 to 10 parts of isothiazolinone derivative and 30 to 40 parts of Mannich base compound. The invention further discloses a preparation method and application of the corrosion inhibitor for the acid liquor. According to the high-temperature acidizing corrosion inhibitor, nitrogen-containing and sulfur-containing electron-rich heterocycles and polyoxymethylene dimethyl ether compounds are used as corrosion inhibitor core auxiliaries, antimony oxide and copper iodide corrosion inhibition auxiliaries and an iron ion stabilizer are matched, and the requirement for acidizing transformation construction of an ultra-high-temperature deep well at the temperature of 200 DEG C or above can be met.

The invention discloses a working method of an intelligentized and integrated sowing device. The sowing device comprises a furrowing mechanism, a sowing mechanism, a mowing mechanism, a weed collecting mechanism, a soil detecting device and a control device, wherein a furrowing control mechanism, a sowing control mechanism and a control mechanism are arranged in the control device, a depth adjusting mechanism is arranged in the furrowing control mechanism, a type adjusting mechanism is arranged in the sowing control mechanism, the sowing control mechanism is connected with the sowing mechanism, the sowing mechanism is arranged behind the furrowing mechanism, the mowing mechanism is arranged in front of the furrowing mechanism, the weed collecting mechanism is arranged on the mowing mechanism, and the soil detecting device is arranged on the furrowing mechanism. The mowing mechanism of the device cuts off weeds in wasteland, the weed collecting mechanism recovers cut weeds, a weed smashing mechanism recovers the recovered weeds, the soil detecting device detects the dryness of soil and combines a detection result of the dryness with the type of a sowed crop to determine the furrowing depth.

The invention relates to the field of alcohol ether low-carbon clean energy, in particular to alcohol-based liquid fuel which is low-carbon and efficient and meets the national standard on quality andsolves the problems that pollutants exceed the standard, combustion equipment is damaged and the like in a common formula on the basis that the heat value, the ignition performance and the combustionefficiency meet the standard. The alcohol-based liquid fuel comprises the following components in percentage by weight: 85%-95% of low-carbon alcohol, 2.5%-3.5% of multi-carbon alcohol, 0.5% of aliphatic ether, 1%-12% of a hydrocarbon compound and 0.05%-0.07% of an additive, wherein the low-carbon alcohol is saturated alcohol with the carbon number of 1-2; the multi-carbon alcohol is saturated alcohol with a carbon number of 3-8 and a molecular formula of CnH2n + 1OH; the aliphatic ether is saturated ether with a carbon number of 5-8 and a molecular formula of CnH2n + 2O; the hydrocarbon compound is a hydrocarbon compound with a distillation range of 40-200 DEG C; and the additional additive comprises the following components in percentage by weight: 70-75% of a nitrogen-containing compound, 15% of esters and 10-15% of a phenolic antioxidant.

The invention discloses an insulating single wire of a railway digital signal cable. The insulating single wire of the railway digital signal cable comprises a conductor. A polyester fiber reinforcing layer, an inner sheath layer, a foaming layer and an outer sheath layer are wrapped on the periphery of the conductor from inside to outside in sequence. The foaming layer is a physical foaming layer. The polyester fiber reinforcing layer is a polyester fiber paint coating. The insulating single wire of the railway digital signal cable has high tensile strength, high compression resistance and other high mechanical strength and is high in safety and reliability.

The invention discloses depth adjustable automatic energy-saving type cultivating equipment. The equipment comprises a mowing mechanism, a grass collecting mechanism, a ditching mechanism, a soil crushing mechanism and a control mechanism; a soil detection device and a depth adjusting device are arranged in the ditching mechanism; the grass collecting mechanism is arranged above the mowing mechanism; the ditching mechanism and the soil crushing mechanism are sequentially arranged behind the mowing mechanism; and the mowing mechanism, the grass collecting mechanism, the ditching mechanism, thesoil crushing mechanism and the depth adjusting device are all connected with the control mechanism. According to the invention, the mowing mechanism is arranged on the cultivating equipment; the mowing mechanism is used for cutting off grass on a barren land; the grass collecting mechanism is used for recycling the grass cut by the grass cutting mechanism; the soil detection device is used for detecting the humidity of the soil, and the needed depth of soil to be turned over is judged according to the detection result; the ditching depth of the ditching mechanism is adjusted through the depthadjusting device, so that the speed and precision of the cultivating of the equipment are improved; and the depth of the ditching is adjusted through a depth adjusting mechanism.

Provided is a method for processing a wafer, which processes a wafer made of silicon on which a plurality of devices are formed by dividing the front surface by a plurality of dividing lines, and includes: The converging point of the pulsed laser beam is positioned inside the wafer, and the area corresponding to the planned division line is irradiated with the pulsed laser beam from the back surface of the wafer, and the holding mechanism is processed and fed to the laser beam irradiation mechanism, and the inside of the wafer Forming a modified layer; a dividing step, after the modified layer forming step, applying an external force to the wafer and using the modified layer as the starting point of division to divide the wafer along the planned division line, in the modified layer forming step, after irradiation The portion from the center of the pulsed laser beam to the wafer to the outer periphery on the downstream side in the processing feed direction misses a part of the pulsed laser beam, and positions the converging point of the pulsed laser beam inside the wafer.

The invention discloses a method for manufacturing an aircraft ground comprehensive support test equipment cable, which belongs to the technical field of cable manufacturing, and comprises the following steps of selecting a PU tube as an outer sheath; scribing and sheathing the outer sheath; and sheathing the outer sheath outside the wire harness Injecting glue; cable bifurcation fixing; terminal treatment; crimping connector contact couple; welding terminal handle; assembling connector; cable inspection, conduction and insulation inspection; potting of connector contact; installation Rear accessories and wiring handles; tidy up cables; inspection, conduction check for correctness of wiring harness wiring; conduct insulation resistance testing as required; check cable length, external identification and correctness of all connector assembly combinations; send to the warehouse. The invention can solve the problems such as pin shrinkage, breakage, connector wear, aging and cracking of the cable of the comprehensive support test equipment on the ground of the aircraft due to the constant dragging stress, and damage to the protective cover and wire due to dragging, friction and temperature, etc. .

The invention discloses depth-adjustable intelligent ploughing equipment which comprises a grass cutting mechanism, a grass collecting mechanism, a grass smashing mechanism, a ditching mechanism, a soil smashing mechanism and a control mechanism. A depth adjusting device is arranged in the ditching mechanism, the grass cutting mechanism, the grass collecting mechanism, the ditching mechanism and the soil smashing mechanism are all arranged on ploughing equipment body, the grass collecting mechanism is arranged above the grass cutting mechanism, the grass smashing mechanism is arranged in the grass collecting mechanism, the ditching mechanism and the soil smashing mechanism are sequentially arranged in rear of the grass cutting mechanism, and the grass cutting mechanism, the grass collecting mechanism, the grass smashing mechanism, the ditching mechanism, the soil smashing mechanism and the depth adjusting device are all connected with the control mechanism. By arranging the grass cutting mechanism on the ploughing equipment, the grass cutting mechanism cuts grass on uncultivated land, the grass collecting mechanism recycles the grass cut by the grass cutting mechanism, the grass smashing mechanism smashes recycled weed, the whole process is simple and convenient, and ploughing speed of the equipment is increased; by arranging the smashing mechanism, space is saved.

The invention discloses a working method of depth-adjustable efficient and automatic land cultivation device. The depth-adjustable efficient and automatic land cultivation device comprises a mowing machine, a weed collecting mechanism, a weed smashing mechanism, a furrowing mechanism, a soil crushing mechanism and a control mechanism, wherein a depth adjusting device is arranged in the furrowing mechanism, the mowing machine, the weed collecting mechanism, the furrowing mechanism and the soil crushing mechanism are arranged on a land cultivation device body, the weed collecting mechanism is arranged above the mowing mechanism, the furrowing mechanism and the soil crushing mechanism are sequentially arranged behind the mowing mechanism, and the mowing machine, the weed collecting mechanism,the furrowing mechanism, the soil crushing mechanism and the depth adjusting device are all connected with the control mechanism. According to the working method, weeds growing in wasteland are mowedthrough the mowing mechanism, the weed collecting mechanism recovers the weeds mowed by the mowing mechanism, then soil turning and furrowing are conducted on the wasteland through the furrowing mechanism, furrowed land undergoes soil crushing through the soil crushing mechanism, the whole process is simple and convenient, the land cultivation speed is improved, and the furrowing depth is adjusted through the depth adjusting device.

The invention discloses an automobile seat backrest graded adjusting structure and an automobile, the automobile seat backrest graded adjusting structure comprises a cushion fixing frame, a cushion and a backrest, the cushion is slidably mounted on the cushion fixing frame, the backrest is mounted at the rear end of the cushion, and the cushion is slidably mounted on the cushion fixing frame. The cushion fixing frame is provided with a first-stage adjusting mechanism which is used for allowing the cushion to slide towards the inner side or the outer side of a vehicle so as to avoid interference between the backrest and a side wall, and the cushion is provided with a second-stage adjusting mechanism used for adjusting the angle of the backrest. Compared with the prior art, interference between the second row of seat backrests and the side wall can be avoided, and the appearance problems of wrinkles and abrasion caused by extrusion deformation of the seat foaming surface sleeve are avoided.

The invention relates to a VOCs waste gas treatment system and treatment method, including a base, a waste gas storage tank, a condensation primary analysis device and a mixing treatment device. The waste gas storage tank is arranged on the left side of the upper end of the base, and the upper end of the base is arranged on the right side. There is a mixing treatment device, and a condensation primary analysis device is arranged between the waste gas storage tank and the mixing treatment device; the present invention condenses and precipitates the organic matter in the VOCs waste gas through the method of condensation, and reduces the concentration of the VOCs waste gas, thus solving the problem caused by the high concentration The VOCs in the VOCs will react violently and may cause combustion, which will lead to problems such as equipment damage; the invention solves the problem of excessive oxygen consumption, which causes waste and increases costs, by introducing waste gas and oxygen in equal proportions.

The invention discloses an automated cultivation apparatus, comprising a mowing mechanism, a grass collecting mechanism, a ditching mechanism, a soil breaking mechanism and a control mechanism all of which are arranged on a cultivation apparatus body; the grass collecting mechanism is arranged above the mowing mechanism, the ditching mechanism and the soil breaking mechanism are arranged sequentially at the rear of the mowing mechanism, and all the mowing mechanism, the grass collecting mechanism, the ditching mechanism and the soil breaking mechanism are connected to the control mechanism. As the cultivation apparatus is provided with the mowing mechanism, the mowing mechanism is used to cut off grass on an uncultivated land during cultivating; the grass collecting mechanism is used to reclaim the grass cut by the mowing mechanism during cutting; the ditching mechanism is used to turn soil and make ditches on the uncultivated land; the ditched land is subjected to soil breaking by the soil breaking mechanism. The whole procedure is simple and convenient, and cultivating speed of the automated cultivation apparatus is increased.

The invention provides a wafer processing method for processing the silicon-formed wafer formed through a plurality of division-presetting lines dividing a plurality of devices on a front surface. The invention comprises the following steps: a wave length setting step for setting the wave length of a permeable pulse laser beam in a range of 1300nm-1400nm; a modification layer forming step, wherein a luminous spot of the pulse laser beam is positioned in the wafer, the modification layer is formed in the wafer through emission of the pulse laser beam from the back of the wafer to an area corresponding to the division-presetting lines; a dividing step for applying external force on wafer to use the modification layer as a start to divide the wafer along the division-presetting lines; wherein in the modification layer forming step, the brittle part of the device formed by the device being adjacent to the division-presetting lines to position the luminous spot of the pulse laser beam, and the brittle part is damaged by the emitting of pulse laser beam becaused of scattering.

The invention discloses a method for working of an efficient intelligent ploughing device. The ploughing device includes a mowing mechanism, a grass collecting mechanism, a grass smashing mechanism, aditching mechanism, a soil crushing mechanism and a control mechanism. The mowing mechanism, the grass collecting mechanism, the ditching mechanism and the soil crushing mechanism are disposed on a ploughing device body. The grass collecting mechanism is arranged above the mowing mechanism, the grass smashing mechanism is arranged in the grass collecting mechanism, and the ditching mechanism andthe soil crushing mechanism are sequentially arranged at the rear of the mowing mechanism. The mowing mechanism, the grass collecting mechanism, the ditching mechanism and the soil crushing mechanismare connected with the control mechanism. According to the method, grass on wasteland is cut off through the mowing mechanism, the grass cut off by the mowing mechanism is recycled through the grass collecting mechanism, the recycled waste grass is smashed through the grass smashing mechanism, then the wasteland undergoes soil turning and ditching through the ditching mechanism, and the ditched land is subjected to soil crushing through the soil crushing mechanism. The whole process is simple and convenient, and the ploughing speed of the ploughing device is improved.

A laser beam machining apparatus and a wafer processing method. The laser beam machining apparatus comprises: a to-be-processed object maintaining means having a maintaining surface for maintaining a to-be-processed object; a laser beam irradiation means for irradiating laser beams to the to-be-processed object which is maintained on the to-be-processed object maintaining means; a moving means for enabling the to-be-processed object maintaining means and the laser beam irradiation means to relatively move; and a shooting means for shooting a to-be-processed area of the to-be-processed object which is maintained on the to-be-processed object maintaining means. The laser beam irradiation means comprises: a laser beam oscillating means for oscillating the laser beams; a condenser for converging the laser beams oscillated from the laser beam oscillating means and irradiating the to-be-processed object which is maintained on the to-be-processed object maintaining means; and a spot adjusting means arranged between the laser beam oscillating means and the condenser to perform adjustment to make a spot of the laser beams irradiated on the to-be-processed object which is maintained on the to-be-processed object maintaining means to be a spot having a suitable size on an irradiated surface of the to-be-processed object.