214results about How to "Uniform delivery" patented technology

The invention discloses a heating structure used in a scanning electron microscope and a use method of the heating structure, and relates to the technical field of scanning electron microscope high-temperature performance tests.The heating structure comprises a laser, a shell module, a laser clamping module and an electron back scattering diffraction scanning fixing module, and the upper surface of the electron back scattering diffraction scanning fixing module is obliquely arranged; the laser clamping module is installed on the electron back scattering diffraction scanning fixing module, the shell module is installed above the laser clamping module, a heating dodging plate used for placing a sample to be tested is arranged in the shell module, and the laser clamping module is used for clamping a laser lens of a laser. Laser beams output by the laser lens are irradiated on the heating dodging plate, the two ends of the to-be-tested sample extend out of the shell module and are connected with the stretching table, and an observation hole for observing the sample is formed in the upper end of the shell module. According to the invention, the imaging definition of the scanning electron microscope can be improved, and the in-situ high-temperature mechanical property test and the EBSD high-temperature analysis experiment in the scanning electron microscope can be smoothly carried out.

The invention discloses a dynamic adaptation and multi-level feedback control solid heat storage system and method.The system comprises a heat storage unit, a feedback control system, a self-adaptation control module and a dynamic flow adjusting device, the heat storage unit is connected with the feedback control system and the self-adaptation control module, the self-adaptation control module is connected with the feedback control system, and the dynamic flow adjusting device is connected with the feedback control system. The dynamic flow adjusting device is arranged on the heat storage unit and connected with the feedback control system and the self-adaptive control module. The heat storage unit comprises a plurality of subareas, and a plurality of heat storage modules which are connected in series and in parallel are arranged in each subarea; the feedback control system comprises a multi-point sensor and is used for monitoring temperature and flow data of each subarea; the self-adaptive control module is used for dynamically adjusting the flow and the temperature of each partition in the heat storage unit by utilizing a multi-level feedback algorithm based on real-time data of the feedback control system; the dynamic flow adjusting device is used for adjusting flow distribution of all the subareas in the heat storage unit according to the load requirement.

The invention discloses an evaporative crystallization device based on high-concentration wastewater and a zero discharge process, and relates to the technical field of wastewater treatment.The evaporative crystallization device based on the high-concentration wastewater comprises an evaporation tank, and a drainage device is arranged in the evaporation tank; the flow guide device comprises a heat conduction inner barrel fixed in the evaporation tank, an inner ring channel formed in the center of the heat conduction inner barrel, a flow guide pipe fixed in the inner ring channel and a plurality of groups of outer ring channels formed in the heat conduction inner barrel, and the plurality of groups of outer ring channels are sequentially formed from inside to outside by taking the inner ring channel as the center; first water outlets which are arranged up and down are formed between the inner ring channel and the adjacent outer ring channel, and second water outlets are formed between the other outer ring channels. By arranging the drainage device, when entering the evaporation tank, wastewater can sequentially pass through the multiple groups of outer ring channels along the inner ring channel in an S-shaped trend so as to diffuse and flow towards the periphery, so that disorder and stagnation of flow in a traditional system are avoided, and continuous flowability of the wastewater is ensured.

The invention relates to the technical field of fused alumina zirconia bricks, in particular to a fused alumina zirconia refractory brick and a preparation technology.The fused alumina zirconia refractory brick is prepared from, by weight, 55-65 parts of alumina powder, 25-35 parts of zircon sand, 1-5 parts of modified nanometer alumina powder, 2-6 parts of binder, 1-2 parts of chromic oxide, 1-3 parts of yttrium oxide and 1-4 parts of fluxing agent. Through in-situ growth of a layer of carbon nanotube core-shell structure on the surface of nano-alumina, the core-shell structure can prevent direct contact between nano-alumina particles, so that the possibility of nano-alumina agglomeration is reduced, and nano-alumina is uniformly distributed in the corundum amorphous refractory brick. A finer dispersed phase is formed in the brick body, so that the expansion of cracks is hindered, and the toughness and the strength of the brick body are improved.

The invention belongs to the technical field of seed crystal manufacturing, and particularly relates to a high-strength seed crystal for large-diameter monocrystalline silicon and a preparation method thereof.The high-strength seed crystal for the large-diameter monocrystalline silicon is prepared from, by weight, 30 parts of first seed crystal area silicon liquid, 20 parts of second heavily-doped area silicon liquid and 10 parts of third lightly-doped area silicon liquid; the unique partition design is adopted to improve the performance of the high-strength seed crystal for the large-diameter monocrystalline silicon; in the first seed crystal area, silicon carbide reacts with silicon at high temperature to introduce elemental carbon which hinders dislocation, enhances grain boundary and improves strength and toughness; the seed crystal quality is improved by means of high thermal conductivity; meanwhile, silicon nitride is introduced to generate Si2N2O under the oxygen-deficient condition, and the Si2N2O and elemental carbon form a covalent bond; in the second seed crystal region, heavy doping atoms are introduced to form defects, the combination with carbon in the first seed crystal region is strengthened, sites are provided for light doping in the third seed crystal region, heavy doping and light doping are combined, and the negative influence of heavy doping on the quality of monocrystalline silicon is avoided.

The invention relates to the technical field of nano material preparation, and discloses an emulsified nano calcium carbonate preparation device which comprises a processing tank, a sealing mechanism is arranged at the top of the processing tank, a feeding mechanism, a stirring mechanism and a circulating mechanism are arranged on the sealing mechanism, and a cleaning mechanism and a fixing mechanism are arranged outside the processing tank. And a discharging mechanism is arranged at the bottom end of the processing tank. The possibility of particle aggregation is effectively reduced through the stirring mechanism, an emulsification system with more uniform particle size distribution can be obtained, waste heat recycling is achieved through the circulating mechanism, heat is prevented from being directly dissipated to the external environment and wasted, the energy utilization rate is effectively increased, and finally through the cleaning mechanism, the energy utilization rate is increased. The timely cleaning mode can prevent the situation that nano calcium carbonate is attached to the tank wall for a long time and becomes more difficult to clean, the inner wall of the processing tank is kept relatively clean all the time, and the overall production efficiency is improved.

The invention relates to the technical field of soil remediation, and discloses a soil remediation device and a soil remediation method.The key point of the technical scheme is that the soil remediation device comprises a remediation box body; the repairing platform is arranged in the repairing box body, a heating part used for generating heat is arranged at the bottom of the repairing platform, and the repairing platform conducts the heat; the feeding hole is formed in one side of the repairing box body and is connected with a feeding machine; the preheating box body is arranged in the repairing box body, and a plurality of crushing rollers are arranged in the preheating box body; the vibration frame body is arranged at the bottom of the preheating box body, and a plurality of release plates are arranged in the vibration frame body; according to the device, the problems of blockage and low efficiency when high-water-content or high-viscosity soil is treated in a traditional technology are solved by optimizing multiple functions of preheating, crushing, vibrating, releasing, paving and the like. The device is reasonable in structural design, efficient in treatment process and capable of being widely applied to pollution remediation of various complex soil environments.

The invention provides a grain germination method and germination equipment. The grain germination method comprises a first step of promoting germination. The first step comprises a soaking stage and a germination stage. In the soaking stage, accumulated water is formed in the containing container to soak the grains in the containing container. In the germination stage, accumulated water in the containing container is discharged so that the grains can germinate in the containing container. The container is provided with a normally-open water outlet which is kept open, and the normally-open water outlet is configured in the mode that in the soaking stage, the water injection flow of the container is larger than the water drainage flow of the normally-open water outlet so that accumulated water can be formed, and in the germination stage, the accumulated water is drained through the normally-open water outlet. According to the grain germination method provided by the invention, the grains absorb water and are infiltrated in a soaking manner, and a large amount of grains can also be soaked, so that the grain germination method is suitable for equipment with a large one-time germination amount. In addition, flowing soaking is achieved through a normally-open water outlet, the soaking uniformity is better, and meanwhile the problem that the taking and placing freedom degree of the containing container is limited due to the fact that the containing container is connected through a valve structure in germination equipment is solved.

The utility model provides an auxiliary device for installing a pipeline in a narrow space, belongs to the technical field of building construction, and provides the following technical scheme mainly aiming at the problem that the pipeline is difficult to be heated uniformly when the existing water pipeline is heated, softened and butted. Comprising two sets of mounting frames, sliding through grooves are formed in one sides of the two sets of mounting frames, two sets of clamping jaws are slidably mounted in the two sets of sliding through grooves correspondingly, a first mounting groove is formed in the top of one set of clamping jaws, a heater is mounted in the first mounting groove, one side of the heater makes contact with a vapor chamber, and the other side of the heater makes contact with the vapor chamber. By combining the heater with the clamping jaw, the auxiliary device for installing the pipeline in the narrow space can uniformly heat and soften the water pipe, can also adapt to water pipes of different sizes, and solves the problems that when an existing water pipe is heated, it is difficult to ensure that the pipeline is uniformly heated, and the pipeline is not uniform in heating. And construction by operators is not convenient.

The utility model discloses a large-span bridge-floor-free simply-supported tied arch bridge which comprises bridge piers, a first main arch and a second main arch. The first main arch and the second main arch are arranged on the two sides of the arch bridge. The bridge piers are arranged at the two ends of the first main arch and the two ends of the second main arch and connected with the first main arch and the second main arch through supports. The first main arch and the second main arch are each of a four-steel-pipe truss type structure. A first wind brace and a second wind brace are fixedly arranged between the first main arch and the second main arch, straining beams are arranged on the two sides of the arch bridge in the length direction, and a cross beam is arranged between the straining beams on the two sides of the arch bridge and used for bearing a coal conveying pipe belt machine. And suspenders are respectively arranged between the straining beam and the first main arch and between the straining beam and the second main arch. The steel consumption of the large-span arch bridge is reduced, the four-steel-pipe truss type main arch is adopted, the rise of the main arch is reduced, and the transverse stability of the structure is improved; and the suspender tensioning procedure is simplified, and the construction difficulty is reduced.

The utility model relates to the technical field of refrigerators, and discloses a drawer assembly. The drawer assembly comprises a drawer frame, a drawer front cover and a drawer handle. The drawer front cover is clamped with the front side wall of the drawer frame; the rear side wall of the drawer handle is clamped with the drawer front cover, the lower end of the drawer handle is embedded in the drawer front cover, and two ends of the drawer handle are clamped with the drawer frame. In the application, under the condition that more articles are stored in the drawer frame, the drawer handle is pulled, the two ends of the drawer handle directly pull the drawer frame, and the drawer handle indirectly pulls the drawer frame through the drawer front cover. The drawer handle transmits pulling force to the drawer front cover at the same time through the clamping connection position and the embedding connection position of the drawer handle and the drawer front cover, the pulling force is transmitted evenly, part of the pulling force on the drawer handle is directly transmitted to the drawer frame, the stress strength of the drawer front cover is reduced, and the risk that the drawer front cover is separated from the drawer handle is reduced. The utility model further discloses the refrigerator.

The utility model relates to a plate type heat exchanger unit which comprises a placing seat, a left pressing plate, a right pressing plate and a plurality of plate sheets, a high-temperature water inlet pipe and a high-temperature water outlet pipe are arranged on the left pressing plate, and a low-temperature water inlet pipe and a low-temperature water outlet pipe are arranged on the right pressing plate; the left pressing plate and the right pressing plate are arranged on the placing seat; an annular groove is formed in one side of the plate piece, an annular boss is arranged on the other side of the plate piece, and the shape of the annular boss is matched with that of the annular groove. During fitting, the annular bosses are inserted into the annular grooves in the adjacent plate sheets; the locking mechanism comprises a screw rod, a screw head, a pressure spring, a fastening nut and a backing ring; the screw head is fixed at one end of the screw rod; the screw rod penetrates through the through hole; the compression spring, the backing ring and the fastening nut are arranged at the other end of the screw in a sleeving mode, one end of the compression spring abuts against the side face of the left pressing plate or the side face of the right pressing plate, and the other end of the compression spring abuts against the backing ring; the problems of loose connection and leakage between the plates caused by alternate cooling and heating and thermal expansion and cold contraction of the plates are solved.

This utility model relates to the field of spillway tunnel support technology, specifically a reinforcement support device for spillway tunnel excavation. It includes a fixed frame, with lifting blocks bolted to both ends of the fixed frame. A support block is slidably connected to the lower end of each lifting block, and a support base is fixed to the lower end of each support block. Multiple brackets are fixed to the top surface of the lifting blocks. Connecting seats are fixed to the outer ends of the brackets and both ends of the top surface of the fixed frame. Arc-shaped blocks are bolted to the connecting seats. A first pressure-relief block is fixed between two adjacent arc-shaped blocks. A second pressure-relief component is installed at the end of each bracket near the arc-shaped block. A connecting component, including an insert block, is installed on the arc-shaped block. The first pressure-relief block between adjacent arc-shaped blocks and the second pressure-relief component at the end of the bracket undergo controllable limited deformation, absorbing the energy released by the surrounding rock while maintaining stable support for the surrounding rock. This reduces the rigid stress on the structure, decreases brittle failures such as retaining wall cracking, support bending, and joint collapse, and lowers the risk of collapse.

The utility model discloses a synthetic wood board drying device which comprises a conveying mechanism, a drying chamber is arranged on the conveying mechanism, a steam inlet is formed in one side face of the drying chamber, a steam outlet is formed in the other side face of the drying chamber, a steam channel is arranged inside the inner wall of the drying chamber, and the steam channel is communicated with the drying chamber. A plurality of groups of curing lamps are mounted on the inner side surface of the top of the drying chamber; air is heated through steam, the steam can transfer heat evenly, the air is heated evenly, the problems of local overheating and uneven heating in the electric heating drying process are avoided, and no gas flows substantially in the steam heating drying process, so that a paint surface can be solidified evenly to form a flat and smooth paint surface; when air is heated through steam to dry the wood board, the multiple sets of curing lamps are powered on to light and irradiate the paint surface of the synthetic wood board, photochemical reaction is carried out, curing of the paint surface is accelerated, and the drying efficiency of the synthetic wood board is improved.

The present application relates to the technical field of archery equipment, and particularly relates to a metal mixed carbon fiber arrow shaft, which comprises a middle carbon fiber pipe, a head stainless steel pipe, a tail metal pipe and a solid connecting piece, the head stainless steel pipe is arranged at the front end of the middle carbon fiber pipe, the tail metal pipe is arranged at the rear end of the middle carbon fiber pipe, and the two are connected and fixed through the solid connecting piece arranged in the middle carbon fiber pipe, and the outside is wrapped with carbon cloth and is formed through high-temperature curing. The present application adopts a segmented metal mixed structure, replaces a long-size metal inner core with a short metal accessory matched with a carbon fiber main pipe, and greatly reduces the difficulty of straightness control. The thickened head stainless steel pipe effectively bears the impact force, the solid connecting piece is in surface contact with the inner wall of the carbon pipe to disperse the stress, and the service life of the arrow shaft is significantly prolonged. The present application has reasonable structure, low cost and high efficiency, and is suitable for manufacturing various archery equipment.

This utility model discloses a fracture-resistant bolt connection pair structure for long-span steel bridges, including a bolt body, an anti-loosening nut assembly, an anti-corrosion washer assembly, a first steel bridge connection plate, and a second steel bridge connection plate. This utility model relates to the field of steel bridge connection structure technology. This fracture-resistant bolt connection pair structure for long-span steel bridges forms a dual stress dispersion structure through a tapered connector between the bolt head and the bolt segment, and four U-shaped stress relief grooves on the bolt segment. This significantly reduces the stress concentration coefficient at the bolt connection, preventing fatigue crack initiation under long-term alternating loads. Simultaneously, the main nut and auxiliary nut, in conjunction with an annular boss, compress the nitrile rubber elastic bushing, continuously compensating for preload attenuation caused by vibration, achieving a preload retention rate of over 90%. This solves the problem of uneven bolt stress caused by loosening of traditional nuts. It ensures the fracture-resistant performance of the bolt connection pair from both "fatigue resistance" and "loosening prevention" dimensions, meeting the core stress requirements of long-span steel bridges.

The invention relates to the field of household appliance design, in particular to a cooling structure of an air fryer, which comprises an air fryer body and two inner containers connected in the air fryer body in a drawing manner, a plurality of symmetrical air inlet holes are formed in the inner rear end of a shell of the air fryer body, and hot air output holes are formed in the rear end surfaces of the inner containers. An air inlet cavity is reserved in the air fryer body, symmetrical heating cavities are reserved in the rear sides, close to the two inner containers, of the air fryer body, gaps are reserved between the two heating cavities and the air inlet cavity, and a plurality of symmetrical exhaust holes are formed in the bottom of a shell of the air fryer body. Through the multi-layer structure of the air inlet hole, the air inlet cavity, the air duct shell, the outer flow guide cover, the inner flow guide cover and the like, a complete cold circulation system which sucks cold air from the outside, circulates in the air to take away heat and finally discharges the heat from the exhaust hole is formed, and it is ensured that the shell temperature of the air fryer body is effectively controlled; and shell deformation and scalding risks caused by high temperature are avoided.

The invention discloses welding processing equipment for a new energy battery pack wire harness assembly, and relates to the technical field of automobile wire harness production equipment. The semi-automatic ultrasonic welding equipment comprises a machining table, an ultrasonic welding equipment body is fixed to one side of the top of the machining table, a containing table is fixed to the center of the top of the machining table, a semi-automatic device is arranged on the containing table, the semi-automatic device comprises a double-shaft motor, an L-shaped plate and an L-shaped frame, and the double-shaft motor is fixedly installed in the middle of the containing table through a support; connecting rods are fixed to the output ends of the two sides of the double-shaft motor. Through the arrangement of the semi-automatic device, the double-shaft motor, the connecting rod, the notch ring and the semicircular plate are matched, the wire harness is welded in a semi-automatic mode, the problem that the quality of welding spots of the wire harness is inconsistent due to the fact that the wire harness needs to be manually adjusted and positioned is solved, and then the welding quality of the wire harness is improved.

The utility model belongs to the technical field of hot welding device, specifically disclose a kind of inside hot welding device of hemispherical shell, including work panel, fixed with locating die on work panel, multiple hot welding holes are arranged on the hemispherical locating wall of locating die, locating die is accommodated with the hot riveting piece with vertical movement function, the top of hot riveting piece is respectively equipped with hot riveting head corresponding the position of each hot welding hole, locating die is equipped with the die with vertical movement function directly above, and the pressure column is elastically inserted in the die pressure surface that is hemispherical concave arrangement. The utility model is fixed with locating die on work panel, its hemispherical locating wall is equipped with hot welding hole, for the riveting piece welding leg guidance, locating die has the hot riveting piece that can be vertically moved, top hot riveting head accurately acts on welding leg, directly above has the die that can be vertically moved, and die pressure surface is consistent with shell, cooperate elastic pressure column, realize the high-precision positioning of the riveting piece and shell, uniform stable hot welding and reliable crimping, improve production efficiency, ensure product quality.

The invention discloses a diamond cutting pick for hard rock, and relates to the technical field of cutting pick machining, and the diamond cutting pick comprises a cutting pick base body, a diamond composite tooth and a diamond composite sheet wear-resistant column; a plurality of columnar holes are formed in the upper portion of the cutting pick base body at equal intervals in the circumferential direction, diamond composite sheet wear-resisting columns are welded in the columnar holes, and diamond composite teeth are welded in embedding holes in the top of the cutting pick base body. According to the invention, the diamond composite tooth is embedded in the top of the cutting tooth base body; the service life of the cutting pick is prolonged, and the fracture risk caused by impact is reduced; the cutting pick base body is provided with the cushioning grooves, so that impact force and vibration generated in the working process are effectively dispersed, the integrity of the whole structure of the cutting pick is protected, and the fracture risk caused by impact is reduced; the diamond compact wear-resistant columns are uniformly distributed in the easy-to-wear area of the upper part of the cutting pick base body, so that the crushing area of the cutting pick is increased, the crushing efficiency is improved, and the stability of the cutting pick in work is enhanced through the uniform arrangement and special shape design of the diamond compact wear-resistant columns.

The utility model discloses a portable wall line drawing tool, which aims to solve the technical problems of high risk and low efficiency in high-altitude line drawing operation in the prior art. The tool mainly comprises an extension module, a sliding module and an extension rod. The core improvement lies in that the extension module is composed of an extension outer box with a sliding groove and an extension inner box sleeve with a sliding groove. By setting a smooth transition groove at the end of the extension inner box, smooth sliding of the sliding module in the full length range of the extension is realized. The sliding module is internally provided with an elastic line drawing module (such as a line drawing roller or a line drawing pen) and a lever type constant pressure ink supply mechanism, which ensures that the line drawing head can adapt to the concave-convex wall surface, keeps the line drawing pressure stable and the ink supply uniform. In addition, the level, laser and continuous scale line are integrated, which assists in rapid and accurate positioning. The utility model can enable the operator to safely complete the continuous and smooth line drawing operation on the high wall surface on the ground, and significantly improves the construction efficiency and quality.

The utility model discloses a bamboo shoot bubbling bath boiling device which comprises a bath boiling box, a driving motor is fixedly installed on one side of the top face of the bath boiling box, the output end of the driving motor drives a spiral blade installed in the bath boiling box to rotate through a synchronous belt wheel set, and through holes and installation cavities are formed in the bath boiling box at intervals. A bamboo shoot collecting plate is arranged below the through hole, a blow-off pipe is fixedly mounted on the bottom surface of the bamboo shoot collecting plate, and a bubbling pipe is mounted in the mounting cavity. According to the utility model, the helical blade is arranged in the bath boiling box, under the driving of the driving motor and the synchronous belt wheel group, the helical blade conveys bamboo shoots and moves from the bamboo shoot inlet to the bamboo shoot outlet while the impurities are screened out through the through holes, and in the conveying process, the impurities on the surfaces of the bamboo shoots, such as chippings and soil, are removed through the through holes. The bamboo shoots can fall to the bottom of the bath boiling box through the through holes and then are discharged through the blow-off pipe, efficient impurity screening in the material conveying process is achieved, and the cleanliness of the bamboo shoots is guaranteed.

The utility model discloses a steel pipe pile foundation reinforcing device, including two symmetrical main hoop, and the end face of two main hoop is through bolt penetration, the inclined support is top rotation and is installed in the outside of main hoop, be provided with reinforcing subassembly on main hoop, and this reinforcing subassembly includes: connecting piece, vertical penetration main hoop to be arranged on main hoop equally, reinforcing part, install on connecting piece, and the vertical projection of reinforcing part coincides with the vertical projection of main hoop, in the utility model, the reinforcing subassembly of additional not only has promoted the contact area with steel pipe pile foundation greatly to the effectual enhancement of the support performance of whole, still through more extensive distribution, make the load can be more evenly transmitted, reduced the risk of local stress concentration, and on the inclined support structure, added auxiliary support subassembly, this design not only strengthened the bearing capacity of inclined support itself, more on the whole, promoted the stability of support structure.

The utility model discloses a waste lithium battery pyrolysis device, and belongs to the technical field of lithium battery pyrolysis. A waste lithium battery pyrolysis device comprises a furnace body, a water storage cylinder is fixed to the top of one side of the peripheral face of the furnace body, a filter cylinder is fixed to the bottom of one side of the peripheral face of the furnace body, an air pump is fixed to one side of the surface of the top of the water storage cylinder, one side of the air pump is fixedly communicated with an air entraining pipe, and one end of the air entraining pipe is fixedly communicated with the interior of the furnace body. An air guide pipe is fixedly communicated with the other side of the air pump, a bent pipe is fixedly arranged in the middle of the water storage cylinder in a penetrating mode, and one end of the bent pipe is fixedly communicated with the air guide pipe. According to the waste gas treatment device, heat transfer of water in the water storage cylinder can be more uniform, so that heat in waste gas can be fully utilized, and the situation of heat waste is avoided.

The application belongs to the technical field of polymer preparation, and particularly relates to a high-strength self-supporting polypyrrole nano array and a preparation method and application thereof. The preparation method comprises the following steps: (1) first, dispersing a hydroxypropyl-beta-cyclodextrin and polyethylene glycol aqueous solution onto an ice surface, and then adding a pyrrole monomer to form a dispersion liquid; (2) adding an acid solution containing an oxidizing agent to the dispersion liquid, and obtaining the high-strength self-supporting polypyrrole nano array after reaction. The application directly uses a macroscopic ice block as a hard template for polypyrrole preparation, and introduces a cyclic molecule hydroxypropyl-beta-cyclodextrin with hydrophilic and hydrophobic dual functions and polyethylene glycol with a linear polymer chain as an array growth aid, so that a high-strength polypyrrole nano sheet array with a self-supporting structure is prepared through a one-step polymerization method. The high-strength polypyrrole nano sheet array can be used as a conductive filler of polyurethane in the field of 3D printing technology, and greatly improves the mechanical properties and antistatic ability of products.

The utility model discloses a prestressed hollow square pile reinforcing structure, include: pile body, reinforcing component, the reinforcing component includes upper reinforcing block, lower reinforcing block, reinforcing rib, support ring, hanging rod and positioning slot, upper reinforcing block distributes in the upper portion of the inner surface of pile body, and lower reinforcing block distributes in the lower portion of the inner surface of pile body, and support ring is fixedly connected between a plurality of upper reinforcing blocks and a plurality of lower reinforcing blocks respectively, and reinforcing rib is poured and is connected between a plurality of support rings, and hanging rod is fixed in the outer end of reinforcing rib. The utility model discloses being equipped with the reinforcing component, after upper reinforcing block, lower reinforcing block, reinforcing rib and support ring are installed in the inside of pile body, hanging rod is hung in the inside of positioning slot, and top ring is inlaid in the top and bottom of the inner surface of pile body and is clamped with the top of hanging rod through the clamping hole, pours and fills in the inside recess, makes top ring and upper reinforcing block, lower reinforcing block realize fusion between, forms integrated reinforcing structure, and the integrity of the inside of pile body is strengthened.

A multi-stage regulation and control type plunger capable of reducing pulsation comprises a plunger body, and an overflowing channel is formed in the plunger body. At least two limiting devices are sequentially arranged in the flowing channel in the oil flowing direction, at least two elastic plates are connected to the portion, between the two limiting devices, of the flowing channel in a sliding mode, an elastic device is arranged between the two elastic plates, and at least two elastic pieces are sequentially arranged on the elastic device in a nested mode from outside to inside. In the liquid discharging process, oil pressure pulsation enables the surface of the elastic plate to be stressed, so that the elastic plate and the elastic device deform, in the first pulsation stage, the elastic plate deforms, pulsation is reduced, and the elastic device is not compressed; in the second pulsation stage, one elastic piece of the elastic device is compressed; and in the third pulsation stage, the two elastic pieces of the elastic device are compressed at the same time.

The utility model relates to the technical field of solar storage battery temperature control, in particular to a solar storage battery sensing temperature control self-heating system which comprises a protection box, a heating load module is arranged in the protection box, a storage battery is placed in the heating load module, and the storage battery is arranged in the protection box. A pulse generation and control module electrically connected with the heating load module is arranged at one end of the outer side wall of the protection box, and a temperature collection and feedback module is arranged in the middle of the side wall of the heating load module. The pulse generation and control module is combined with the PWM controller, so that the dynamic adjustment of the pulse frequency and the duty ratio is realized, the heating power can be accurately controlled according to the real-time temperature feedback, the energy consumption is obviously reduced, and the system adaptability is improved; a grid frame structure consisting of transverse and longitudinal PTC heating sheets is adopted, and a silica gel heat diffusion layer (the heat conductivity coefficient is greater than or equal to 3W / m.K) is combined, so that rapid and uniform transfer of heat is ensured.

The utility model provides a bulldozer drive gear bearing separation tool relates to engineering machinery maintenance tool technical field, it includes roof, jack and connecting rod, jack is movably arranged between bearing and roof for pressing, connecting rod detachably connects roof and drive gear. The roof has an annular mounting hole, the connecting rod passes through the drive gear process hole and the roof mounting hole, and the two ends are provided with stoppers and limit pins and other limit parts. The connecting hole is a long hole, the stopper is a central circular block and is integrally connected with the connecting rod, and the limit pin is L-shaped. The bottom of the jack is provided with a cylindrical wooden block pad, and the center of the roof is provided with a limiting cylinder matched with the telescopic shaft of the jack. The tool solves the problems of difficult operation, easy damage of components and low efficiency in the traditional separation mode, and has the beneficial effects of simple operation, labor intensity reduction, component damage avoidance, efficiency improvement and good universality.

The utility model relates to the field of elevator car handrail structure, relate to a kind of elevator car handrail structure, the utility model includes: handrail main body, two groups of fixed link, inner heating component and outer sheath, the fixed link one side thread connection handrail main body, the fixed link other side fixedly connected car main body, the inner heating component includes annular base core, cage heating wire, connecting socket, wire and power plug, the cavity is equipped in handrail main body inside, the annular base core is set in cavity and is attached to cavity inner wall setting, the cage heating wire is set in annular base core, the connecting socket electrically connected in the head of cage heating wire, the plug electrically plugged in the wire front end is connected with connecting socket, the wire passes through one group of fixed link inside to the outside of car main body and is connected power plug, the outer sheath can be detachably set in the outside of handrail main body, effectively solve the winter handrail ice cold problem, improve the comfort of passenger riding elevator.