36results about How to "Good stress relief" patented technology

A table feeder 1 has a bottom assembly 3 of a particulate material processing vessel 2, a discharger 4 provided in the bottom assembly 3 to discharge a particulate material P kept in the vessel 2, a bottom plate 5 included in the bottom assembly 3, a rotating shaft 6 provided vertically to a main face 5a of the bottom plate 5 to rotate on the center of the bottom plate 5, rotary vanes 7 to discharge the particulate material P kept in the particulate material processing vessel 2 via the discharger 4 and a drive device 8 configured to drive and rotate the rotary vanes 7. A cone 10 having a smaller diameter than a diameter of the rotary vanes 7 is provided in the space above the rotary vanes 7 coaxially with the rotary vanes7 to extend over a central area of the rotary vane 7.

A paddle slipper includes an insole for the contact of the sole of a user's foot, and an outsole bonded to the bottom side of the insole for contacting the ground and defining at a bottom side thereof a front open zone, a front support zone and a rear support zone. The front and rear support zones of the outsole lift the insole so that the user's sole is kept above the ground, lowering the chance of water-wetting the sole of the user's foot when the user is paddling. A front groove is defined between front protruding blocks of the front support zone, facilitating discharge of pressure from the user's sole. The front open zone design offers wearing comfort when the user is walking.

The invention relates to a tri-tube tri-high-pressure jet grouting pile construction method, and belongs to the field of constructional engineering. The tri-tube tri-high-pressure jet grouting pile construction method comprises the following steps: a first step of measuring, paying off and positioning, wherein measurement is performed according to a designed construction drawing, and a construction axis is paid off; a second step of guiding a drilling machine to be in place, wherein the drilling machine is mounted on a designed pile position, and a drill bit of the drilling machine is alignedto the center of the pile position; a third step of drilling, protecting walls and forming holes, wherein the drilling machine is used for drilling holes, and the walls are protected with mud until hole depth achieves designed elevation; a fourth step of separately forming a mud outlet, a water outlet and a gas outlet in the bottom end of a grouting rotary-jetting tube, wherein a pressure value ofair sprayed out by the gas outlet ranges from 1.6 MPa to 2.2 MPa, the water outlet is positioned above the mud outlet and the gas outlet, and the water outlet in the rotary-jetting grouting tube is drilled for washing and reaming while the jetting grouting tube carries out grouting; a fifth step of flushing; and a sixth step of moving the machine. A relatively great gap is formed between the grouting tube and the hole wall, so that pressure in holes is conveniently released, and high water pressure is reduced.

The invention relates to a movable assembly type heating furnace capable of carrying out electric heating in the furnace to eliminate stress and a construction method thereof. The heating furnace comprises ground beams, stand columns, a furnace cover, furnace body plates, a temperature measuring device, an electric heating device and a component support. A plurality of ground beams are spliced toform a plane furnace bottom. Base anchors are welded to the bottoms of the stand columns. The stand columns and the ground beams are vertically connected by the adoption of bolts. A plurality of furnace body plates are laid between the stand columns and on the inner side of the furnace cover. The temperature measuring device comprises a plurality of thermocouples and temperature recorders. The electric heating device comprises temperature control cabinets and a plurality of electric heating plates. The temperature control cabinets and the thermocouples are connected by the adoption of compensating lead wires. According to the heating furnace, in the process of centralized overall heat treatment of an installing and welding framework of a steel structure framework, centralized heat treatment of all the processes of heat treatment can be completed at a time; compared with a traditional electric heating fin tying method adopting local heat treatment, the heating furnace has the characteristics that construction is convenient, the stress eliminating effect is good, the recycling rate of a heat preserving material is high, consumed labor time is short, the cost is low, and efficiency ishigh; the heat treatment quality is ensured, the first-pass yield of heat treatment is increased greatly, the site installing efficiency is improved greatly, all joints can be assembled and disassembled rapidly, and recycling is convenient.

The invention discloses a hard alloy stress eliminating method. The hard alloy stress eliminating method includes the following steps that S1, a sintered hard alloy is subjected to subzero treatment, the temperature ranges from -160 DEG C to -180 DEG C, and treatment lasts for 70 min to 80 min; S2, the hard alloy obtained after subzero treatment is put into a roller, grinding liquid and a grinding body are sequentially put, and standing lasts for 30 min to 40 min; S3, the roller rotates around the center axis of the roller with the rotating speed ranging from 50 r / min to 100 r / min, and the rotating time ranges from 5 h to 6 h; S4, the hard alloy is taken from the roller and is cleaned through an alkali solution; and S5, the cleaned hard alloy is dried at the room temperature. Compared with the prior art, the hard alloy stress eliminating method has the beneficial effects of being good in stress eliminating effect, easy to operate and the like.

The invention relates to an LED (light emitting diode) straight tube lamp, which comprises a lamp tube, two lamp heads, a power supply and an LED lamp plate, wherein the two lamp heads are respectively arranged at the two opposite ends of the lamp tube; the power supply is arranged in one or two lamp heads; the LED lamp plate is arranged in the lamp tube; a plurality of LED light sources are arranged on the LED lamp plate; the LED light source and the power supply are electrically connected through the LED lamp plate; each lamp head comprises a side wall, an end wall and a pressure release hole; the side wall is coaxial with the lamp tube and is mutually connected with the lamp tube; the end wall is vertical to the axial direction of the side wall and is connected with one end, far away from the lamp tube, of the side wall; the pressure release hole penetrates through the lamp heads, and is used for maintaining the constancy of the inside pressure of the lamp heads and the lamp tube and enabling the inside pressure of the lamp heads and the lamp tube to be identical to the external pressure of the lamp heads and the lamp tube, so that the assembly and the disassembly are easy.

Provided is a semiconductor device including a substrate, a pad, a protective layer, a plurality of convex patterns, a redistribution layer (RDL), and a bump. The pad is disposed on the substrate. The protective layer is disposed on the substrate. The protective layer has a first opening exposing a portion of a surface of the pad. The convex patterns are disposed on the protective layer. The RDL is disposed on the convex patterns. The RDL extends from the pad to the convex patterns. The bump is disposed on the convex patterns.

Provided is a semiconductor device including a substrate, a pad, a protective layer, a plurality of convex patterns, a redistribution layer (RDL), and a bump. The pad is disposed on the substrate. The protective layer is disposed on the substrate. The protective layer has a first opening exposing a portion of a surface of the pad. The convex patterns are disposed on the protective layer. The RDL is disposed on the convex patterns. The RDL extends from the pad to the convex patterns. The bump is disposed on the convex patterns.

The invention provides a cleaning device for gentle slope water power floating garbage of a shallow water beach of a riverway. The cleaning device includes a riverbed substrate plate and a lifting supporting base plate. The surface of the riverbed substrate plate is provided with a hydraulic cylinder, the inner wall of the hydraulic cylinder is slidably connected with a hydraulic plug, a hydraulicrod is welded to the surface of the hydraulic plug, a lifting supporting plate is welded to the surface of the hydraulic rod, the surface of the lifting supporting plate is welded to the lower surface of the lifting supporting base plate, and the surface of the hydraulic cylinder is sleeved with an oil inlet pipe, which relates to the field of environmental protection. According to the cleaning device for gentle slope water power floating garbage of the shallow water beach of the riverway, by arranging a first vortex forming plate and a second vortex forming plate to form a curve, on the onehand, water flows on the two sides is concentrated to the surface of the first vortex forming plate and the surface of the second vortex forming plate, so that vortex is formed more easily by means ofthe force of the water flow, thereby effectively solving the problems that an ordinary cleaning device cannot well adapt to shallow water beach flotage cleaning and the garbage is retained easily atthe shallow water beach.

The invention relates to an AR-based outdoor additional activity open platform that is based on cloud storage and cloud computing and employs a mode with a cloud service and a mobile terminal. The open platform comprises a mobile terminal and a cloud platform. The mobile terminal is used for obtaining identifier information, rendering digital information and completing virtual-reality mixing. The cloud platform based on a distributed structural design is used for receiving the digital data obtained from the mobile terminal and storing the received digital data, carrying out algorithm-based operation, identification, and matching, extracting corresponding information from a database, and sending the extracted information to the mobile terminal to realize seamless virtual-reality fusion at the mobile terminal. In addition, the invention also provides a realization method for an AR-based outdoor additional activity open platform. The AR-based outdoor additional activity open platform and the realization method thereof have advantages of increasing activities, low cost, and effective on-line and off-line connection.

The invention pertains to a titanium foil material or belt material annealing technology in the technical field of metal processing, which is carried out according to the steps as follows: (1) materials are put in a vacuum annealing furnace, with vacuumization degree up to above 10 to 7; (2) the materials are heated to 560 DEG C to 700 DEG C with heat insulation for 2 hours to 4 hours; and (3) the temperature is lowered to room temperature and the materials are taken out. The annealing technology of the invention has the advantages of thorough annealing, good effect on removing stress and stable product quality and overcomes the defect that presently, when titanium foil materials are annealed, the annealing under comparatively low temperature is not thorough enough, which results in that the product quality is not stable enough.

The invention relates to the technical field of road and bridge construction and particularly relates to a hollow slab beam inner mold convenient to disassemble and assemble. The hollow slab beam inner mold comprises a first half mold, a second half mold and a locking mechanism, wherein the locking mechanism comprises a first rotating rod, a second rotating rod, a first limiting block, a second limiting block, a connecting block and a steel cable; the other end of the first rotating rod is rotationally connected to the connecting block, one end of the second rotating rod is rotationally connected to the second half mold, the other end of the second rotating rod is rotationally connected to the connecting block, the first limiting block is fixedly connected to the first half mold, the second limiting block is fixedly connected to the second half mold, and one end of the steel cable is fixedly connected to the connecting block. The hollow slab beam inner mold can be opened under the condition that an operator does not enter the inner mold, then the first half mold and the second half mold are pulled out of the hollow slab beam, and therefore the inner mold is convenient to detach.

An assembly type thermal treatment heating furnace is provided. The heating furnace is characterized by comprising a polygon-structure furnace body (1), a furnace bottom (2), a cone-frustum-shaped furnace top assembled by sector top plate modules (3) and a circular cover plate (4), three-grid slab type furnace wall modules (5), two-grid slab type furnace wall modules (6) and single-grid slab furnace wall modules (7). Beneficial effects of the heating furnace are that: a preformed equipment module is subjected to integrated thermal treatment in the assembly type thermal treatment heating furnace, and compared with thermal treatment methods of winding local parts with electrically heating sheets, inner fuel oil integrated thermal treatment methods and integrated thermal treatment methods by inputting outer fuel oil flue gas which are frequently-used in engineering at present, the heating furnace has advantages of convenient construction, good stress removing effects, high reutilization rate of thermally insulating materials, less consumed labor and working time, low energy consumption, low cost, high working efficiency, and the like.

The invention discloses a cable long-acting repairing liquid and a using method thereof. The cable long-acting repairing liquid is composed of a rapid insulation reinforcing material, a medium-and-long-term reinforcing material, a catalyst and an anti-aging blender. The formula disclosed by the invention is configured in a short-term and medium-term mode, the problem that a governing formula may flow too fast under the action of injection pressure or the formula cannot be repaired thoroughly due to factors such as rapid outflow of the formula out of a cable body under the action of an environment is considered, and a copper-containing or aluminum-containing barrier is generated by combining a high-frequency voltage applying method with bias voltage, so that the aims of improving the insulating strength and preventing water invasion are achieved; the anti-aging blender provided by the invention not only reduces the temperature and increases the flash point temperature, but also has stable chemical properties of a stable treatment formula, and achieves the effects of long-term treatment and improvement of the long-term reliability of the cable.

The invention provides a cleaning device for hydrodynamic floating garbage on shallow water beaches and gentle slopes of river channels, which comprises a river bed base plate and a lifting support base plate. A hydraulic cylinder is arranged on the surface of the river bed base plate, and a hydraulic Plug, the surface of the hydraulic plug is welded with a hydraulic rod, the surface of the hydraulic rod is welded with a lifting support plate, the surface of the lifting support plate is welded with the lower surface of the lifting support base plate, and the surface of the hydraulic cylinder is sleeved with an oil inlet pipe, which involves the field of environmental protection. The cleaning device for hydrodynamic floating garbage on gentle slopes of shallow water beaches of rivers is provided with the first vortex forming plate and the second vortex forming plate in a curved shape, on the one hand, the water on both sides can flow to the surface of the first vortex forming plate and the second vortex forming plate. The surface of the second vortex forming plate is concentrated, so that it is easier to form a vortex with the help of the force of the water flow, thereby effectively solving the problem that the general cleaning device is not suitable for cleaning floating objects in shallow water beaches, and the shallow water beaches are easy to retain garbage.

The invention discloses a filter for a granulator. The filter comprises a screen plate, an ox horn scraper, a porous flange, a discharging part and a granule discharging flange. The ox horn scraper is matched with a screen plate impurity removal notch, so that impurities and molten materials are effectively separated, and separation of the molten materials is not affected; the ox horn scraper tightly attached to the screen plate to rotate anticlockwise, normal materials are extruded through the screen plate under the extrusion and ox horn scraping and pressing effects, the materials are conveyed, the materials which are not completely molten can be further extruded and molten, the impurities in the materials are separated from the molten materials, and the effect of auxiliary extrusion and melting is achieved; and complete material melting is ensured, the material compactness is good, a good granulating mechanical property is achieved, the strength is high, the purity of a granulated material and the granulating quality are improved, and practicability is good.

The invention relates to an air-water mist cooling system for continuous annealing of a strip and a control method. The air-water mist cooling system is characterized by comprising an air-water mist cooling device, an air blowing device, a water supply device and an air discharge device; the air-water mist cooling device comprises a box and multiple sets of air-water mist sprayers, and each set ofair-water mist sprayers comprises two air-water mist sprayers which are arranged up and down in the box to form an opposite up-down spray structure; the top of the box is provided with an air outlet,and the air discharge device is arranged at the air outlet to form a forced air discharge structure so as to discharge hot air and water vapor in the box from the air outlet; the air outlet end of the air blowing device is connected with air inlets of the multiple sets of air-water mist sprayers to form an adjustable air inlet structure; and the water outlet end of the water supply device is connected with water inlets of the multiple sets of air-water mist sprayers to form an adjustable water inlet structure. The air-water mist cooling system has the outstanding substantive features of realizing uniform cooling for continuous annealing of the strip, having a good stress relief effect, keeping the shape of the strip (workpiece) unchanged and the like, and also has significant technological progress.

The invention relates to a health protection music and dance room. The health protection music and dance room comprises a floor, a wall which surrounds above the floor and a ceiling which covers the wall and is characterized in that the floor sequentially comprises a 11-layer structure which comprises an original ground layer, a second ground layer which is formed due to pavement of adhesive motor, a third ground layer which is formed due to pavement of high density fireproof extruded polystyrene boards, a fourth ground layer which is formed due to pavement of anti-crack mortar, a fifth ground layer which is formed due to pavement of alkali proof gridding cloth, a sixth ground layer which is formed due to processing of macadam combining materials, the anti-crack mortar and an electric titanium powder cover surface, a seventh ground layer which is formed due to pavement of thermal insulation moisture proof silver foil reflective films, an eighth ground layer which is formed due to pavement of a support net, a ninth ground layer which is formed due to pavement of diatom ooze, sea shell mud and nanometer far infrared powder mixing with mortar, a tenth ground layer which is formed due to pavement of terrestrial heat pipes and an eleventh ground layer which is formed due to vibration spraying of electric titanium powder and negative oxygen ion powder under the 130 to 720 hertz condition.

An AR-based open platform for outdoor expansion activities, the open platform relies on cloud storage and cloud computing, and adopts a cloud service + mobile terminal model; the open platform includes a mobile terminal and a cloud platform, and the mobile terminal is used for identifying information Acquiring and rendering digital information to complete the virtual and real mixture; the cloud platform adopts a distributed structure design, which is used to store the digital data obtained from the mobile terminal after receiving it, identify and match it through algorithmic operation, and then extract the corresponding information from the database. The corresponding information is sent to the mobile terminal, where seamless virtual-real fusion is performed. And a method for realizing an open platform for outdoor expansion activities based on AR. The present invention provides an AR-based open platform for outdoor expansion activities that increases activity items, has low cost, and effectively connects online and offline, and an implementation method thereof.

The invention relates to a touch adjusting type electric blanket convenient to use at night. The touch adjusting type electric blanket comprises an electric blanket body, a pressure sensor, a controlmodule, an electric heating device and a wireless module. The electric blanket body comprises an electric blanket body layer and a negative ion silica gel layer; the electric heating device and the pressure sensor are both arranged in the electric blanket body, and the negative ion silica gel layer is attached to the upper end face of the electric blanket body layer. Shells are arranged on the left side and the right side of the upper end face of the negative ion silica gel layer respectively, each shell is provided with an installation cavity with an inward opening, and an ultraviolet disinfection lamp is installed in each installation cavity and is not exposed out of the corresponding shell; the disinfection and sterilization effects of the electric blanket are improved, human metabolismis promoted, and a certain thermal therapy health care effect is achieved. In addition, once someone is detected to be on the electric blanket, the electric blanket is controlled to heat.

The technical method relates to a technical method for relieving metal welding seam stress universally. The technical method comprises the following processes that S1, heat treatment is conducted on welded or cut parts; and S2, moving is performed according to the sizes and the directions of the heat-treated parts, wherein in the process S1, an annealing process is adopted for heat treatment, the heat treatment temperature range is 670-700 DEG C, and in the process S2, the moving process is not affected by the sizes and the positions of the heat-treated parts, and the moving speed is 80-100 s per 1 mm. The technical method has the advantages that the application range is wide, use is convenient, the stress relieving effect is good, and the moving process is not affected by the sizes and the positions of the heat-treated parts.

The invention relates to the field of oilfield heavy oil exploitation equipment, in particular to a double packer steam injection integrated device and method for oilfield heavy oil exploitation. The technical solution is: the lower end of the upper packer is connected to the lower packer through the layer spacer tube and the connecting core tube, the lower end of the steam injection valve is equipped with a seat sealer and a one-way oil recovery unit; the inner cavity of the upper packer is installed with a hand The core tube, the lower end of the lost core tube is connected to the layer spacer tube, the connecting core tube, and the compensation core tube. The lower end of the compensation core tube passes through the lower packer and is connected to the seat seal steam injection plug, and the lower side of the ball seat is provided with a seat seal The seat sealer is fixedly connected to the casing inner cavity of the steam injection valve by locking the fixed force pin. The beneficial effect is that the present invention is lowered into the well at one time, so that the seat seal of the two oil layers is reliable, and the material injected during steam injection is avoided. The efficiency of steam injection is improved due to the loss of energy, and at the same time, the corrosion of oil well casing is reduced, and the service life of oil well is prolonged; the construction procedure is reduced, the labor intensity of workers is reduced, and the construction period is shortened.

The invention provides a soybean milk machine comprising a machine head and a cup body. The machine head is arranged on the cup body; a motor driving smashing blades is disposed in the machine head; the lower end of the machine head is provided with a smashing cover covering the smashing blades; the smashing cover is formed by a smashing cover base body and a plurality of flow-baffle plates; the smashing cover case body is opened and has a smaller upper part and a bigger lower part; the lower edge of each flow-baffle plate forms a lower mouth edge of the smashing cover; the flow-baffle platesare upwardly bent corresponding to the smashing cover; and the flow-baffle plates are connected with the smashing cover via arc-shaped folds being higher in the middle and lower in two ends. With theflow-baffle plates, pairs of circumferential movements can be formed on the external and internal sides of the smashing cover; meanwhile, liquid flow intersection convection can be formed on the arc-shaped folds, and reflected to a negative pressure area under the smashing blades to form liquid flow compensation; besides, a first section of each arc-shaped fold helps guide the liquid flow to a pressure releasing area to release pressure inside the smashing cover; and a second section can introduce the liquid flow to the smashing cover, so smashing efficiency can be improved.

The invention relates to a voice control type electric blanket which comprises an electric blanket body and a bracelet connected to the electric blanket body in a wireless mode, the electric blanket body is provided with a first main control module, a first wireless communication module and a heating element, and the first main control module is connected with the heating element and the first wireless communication module. A display screen is arranged on the bracelet; a second main control module, a second wireless communication module used for being in wireless connection with the first wireless communication module, a microphone circuit used for collecting voice signals and a voice processing circuit used for analyzing and processing the voice signals are arranged in the bracelet; the second main control module is connected with the second wireless communication module and the voice processing circuit. The microphone circuit is connected with the voice processing circuit. A traditional wired controller mode is changed into a bracelet wireless control mode, the electric blanket can be remotely controlled through voice, the working state of the electric blanket can be displayed, use is more convenient, a user can know the working state of the electric blanket in real time, and the use experience of the user is improved.

The invention discloses an internal pressure release device for hot-rolled stainless steel coil machining. The internal pressure release device comprises a storage shell, a rotating block, a placementplate, a shaft rod and a placement lantern ring, wherein the placement plate is fixedly arranged on the inner wall of the storage shell, and an open groove is formed inside the placement plate; a connecting rod is arranged at the middle position of the bottom end of the storage shell in an inserted mode, and the rotating block is fixedly arranged at the end, far away from the inner wall of the storage shell, of the connecting rod; and a rotating rod is fixedly arranged at the top end of the connecting rod, the outer wall of the rotating rod is sleeved with a sliding sleeve, and a rotating stop lever is fixedly arranged at the top end of the sliding sleeve. According to the internal pressure release device for hot-rolled stainless steel coil machining, by arranging the storage shell and the rotating stop lever, a hot-rolled stainless steel coil can be fixed, the situation that the hot-rolled steel coil is bounced when the hot-rolled stainless steel coil releases pressure is avoided, and the use is convenient; and meanwhile, the shaft rod and the placement lantern ring are arranged, and the interior of the hot-rolled steel coil can be fixed so that the pressure inside the hot rolledsteel coil can be released conveniently, and the use is convenient.

The invention provides a clamp for USB flash disk shell production. The clamp for USB flash disk shell production comprises a chassis, a movable arm, and a fixing part; the inner wall of the movable arm is fixedly connected with a telescopic rod; the bottom of the fixing part is fixed to the top of the chassis; a mounting groove is formed in one side of the fixing part; and a contraction groove is formed in the other side of the fixing part. According to the clamp for USB flash disk shell production, when a clamping groove covers the upper portion of a USB flash disk shell, a abutting rod synchronously applies pressure to the inner wall of a transmission hole, a linkage plate is pressed to move towards the interior of the contraction groove, the linkage plate drives a moving plate and the clamping part to synchronously move, pressure can be conveniently and synchronously released to the USB flash disk shell, and when a clamping arm moves to a bottommost portion, the USB flash disk shell can be clamped and moved upwards by starting the clamping arm, and the height of the abutting rod is kept through a telescopic movable rod while the USB flash disk shell is moved, so that the clamping stability and the synchronism of the USB flash disk shell are guaranteed, and the USB flash disk shell can be clamped more conveniently.

The invention provides a soybean milk machine comprising a machine head and a cup body. The machine head is arranged on the cup body; a motor driving smashing blades is disposed in the machine head; the lower end of the machine head is provided with a smashing cover covering the smashing blades; the smashing cover is formed by a smashing cover base body and a plurality of flow-baffle plates; the smashing cover case body is opened and has a smaller upper part and a bigger lower part; the lower edge of each flow-baffle plate forms a lower mouth edge of the smashing cover; the flow-baffle platesare upwardly bent corresponding to the smashing cover; and the flow-baffle plates are connected with the smashing cover via arc-shaped folds being higher in the middle and lower in two ends. With theflow-baffle plates, pairs of circumferential movements can be formed on the external and internal sides of the smashing cover; meanwhile, liquid flow intersection convection can be formed on the arc-shaped folds, and reflected to a negative pressure area under the smashing blades to form liquid flow compensation; besides, a first section of each arc-shaped fold helps guide the liquid flow to a pressure releasing area to release pressure inside the smashing cover; and a second section can introduce the liquid flow to the smashing cover, so smashing efficiency can be improved.

The invention discloses a flexible display panel. The flexible display panel comprises a display area; the display area comprises at least one first packaging sub-area and at least one second packaging sub-area; the first packaging sub-area comprises at least one first organic packaging layer, the second packaging sub-area comprises at least one second organic packaging layer, and the hardness of the first organic packaging layer is different from that of the second organic packaging layer. The problem that the display effect is affected due to the fact that an existing flexible display panel is prone to display defects in a curled or bent area and near the curled and bent area can be solved.

The invention relates to the field of oil field thickened oil recovery equipment, in particular to a double-packer steam injection integrated device and method for oil field thickened oil recovery. According to the technical scheme, the lower end of an upper packer is connected with a lower packer through an interlayer spacing pipe and a connecting core pipe, and a setting device and a one-way oil extraction device are installed at the lower end of a steam injection valve; a releasing core pipe is installed in an inner cavity of the upper packer, the lower end of the releasing core pipe is connected with an interlayer spacing pipe, a connecting core pipe and a compensation core pipe, the lower end of the compensation core pipe penetrates through the lower packer to be connected to a setting steam injection plug, a setting device is arranged on the lower side of a ball seat, and the setting device is fixedly connected to an inner cavity of a shell of the steam injection valve through a locking anchoring force pin. The device has the beneficial effects that the device is tripped into a well at a time, so that the setting of two oil layers is reliable, the loss of injected substances and energy during steam injection is avoided, the steam injection efficiency is improved, meanwhile, the corrosion to an oil well sleeve is reduced, and the service life of an oil well is prolonged; and the construction procedures are reduced, the labor intensity of workers is reduced, and the construction period is shortened.