22results about How to "Strong force" patented technology

The utility model discloses a kind of foundation structure and wind turbine generator set of wind turbine generator set, it is related to wind power generation technical field, wherein, foundation structure includes first bearing platform, second bearing platform, multiple bored piles and multiple anchor rods, the top surface of first bearing platform is connected with the connecting cylinder for connecting the tower cylinder of wind turbine generator set;Second bearing platform is set below first bearing platform, the top surface of second bearing platform projects the bottom surface of first bearing platform and forms step surface, the vertical projection of the bottom surface of first bearing platform in second bearing platform forms core area, the edge of second bearing platform forms the expansion area surrounded in core area;Multiple bored piles are distributed in core area with interval, each bored pile extends downward from the bottom surface of second bearing platform, and bored pile is vertically arranged;Multiple anchor rods are distributed in expansion area with interval, and anchor rod extends downward from the bottom surface of second bearing platform and is arranged with inclination.The foundation structure has good bearing capacity and stability, can guarantee the safety and stability of wind turbine generator set in long-term operation process.

A kind of ground consolidation ramming device, the ground ramming technical field, including ramming unit, further include: vertical arm, first ramming plate, receiving slot, let place slot, pivot, rotating seat and second ramming plate, vertical arm is vertically arranged along vertical direction;First ramming plate is vertically and fixedly installed at the bottom end of vertical arm;Receiving slot is provided with two, and two receiving slots are symmetrically opened on the upper surface of second ramming plate.The utility model can flexibly control the folding, unfolding state of second ramming plate at first ramming plate, to adjust the ground ramming contact area;When increasing area, single-time ramming area is larger under the same construction scale, reduces the frequency of repetition, improves construction efficiency;Second ramming plate is retracted to first ramming plate, and ramming area can be reduced, which is convenient for narrow area operation;It can be adjusted according to the ground condition, adapt to complex working conditions, improve the versatility and flexibility of equipment, reduce equipment purchase cost.

The utility model relates to generator set auxiliary equipment technical field discloses a diesel generating set mute big cover convenient for overhauling, including cover body, the cover body top is equipped with the cover body that is composed of two symmetrical cover plates, and the cover plate is through the sliding block and the inverted T type sliding slot of cover body top sliding fit, the inner wall of cover body is equipped with buffer mechanism, and the support arm of buffer mechanism is supported through the elastic support rod, and the support arm end is equipped with gyro wheel no.

The utility model relates to a wear-resistant and fracture-resistant medical cutter clamping device. The wear-resistant and fracture-resistant medical cutter clamping device comprises a main body, a push-pull piece sliding in the main body, a first block connected with a power source, a cutter detachably connected in the first block, a fourth block for limiting the concentricity of the cutter, a limiting piece for limiting the position of the cutter and an adjusting piece for adjusting the limiting piece to limit or detach the cutter, first grooves are formed in the end face of the body. The push-pull piece slides in the first groove; the fourth block is positioned in the first groove; a second groove is formed in the fourth block; a fixing piece is arranged in the second groove in a penetrating mode. The fixing piece penetrates through the push-pull piece and is in threaded connection with the adjusting piece; a third groove is formed in the first block; a fourth groove corresponding to the third groove is formed in the cutter; the limiting piece penetrates through the third groove and is clamped into the fourth groove. The adjusting piece slides on the first block; the limiting piece and the first block rotate synchronously. The problems that a cutter needs to be rapidly disassembled and assembled, stress on a clamping position is large due to transverse cutting force of the cutter in the rotary cutting process, and the clamping position can be broken are solved.

The utility model discloses a safety belt for a vehicle, which comprises a safety belt body and a seat, the safety belt body is mounted on the seat, the shoulder of the safety belt body is sleeved with a sheath, the sheath comprises a top layer and a surface layer, the two ends of the top layer and the two ends of the surface layer are connected with side curtains, and the side curtains are connected with the safety belt body. A through hole allowing the safety belt body to penetrate through is formed among the top layer, the surface layer and the side curtains. Through the arrangement of the sheath, a human body can be protected, and through the cooperative arrangement of the first elastic supporting piece, the second elastic supporting piece, the top layer and the surface layer, excellent elastic performance is provided, and good air permeability can be kept; the surface layer and the protection pad increase the contact area of the safety belt body and the shoulders of the human body, the shoulders are prevented from being directly pressed by the safety belt body, and excessive local stress on the shoulders is effectively prevented.

This invention provides a composite anode material, its preparation method, and its application. The preparation method includes the following steps: mixing and lithiating graphene material and lithium metal material in a protective atmosphere to obtain lithiated graphene material; wherein both the graphene material and the lithium metal material are in particulate form; mixing the metal material and the lithiated graphene material and heating to obtain the composite anode material. The composite anode material obtained by the preparation method of this invention is a lithium alloyed graphene material, which can guide the uniform deposition of metallic lithium, reduce the probability of lithium dendrite formation, and provide more electron pathways, enhancing lithium diffusion, thereby reducing the gap between the anode material and the solid electrolyte, reducing battery impedance, and improving battery cycle performance and rate performance.

The welding head comprises a head end and a tail end, the width of the head end is larger than that of the tail end, the head end comprises a horizontal bottom face and an inclined face, a preset acute included angle is formed between the inclined face and the horizontal bottom face so that the head end can be provided with a tip end, and the horizontal bottom face is perpendicular to the radial section of the tail end. Compared with the prior art, the welding head capable of being controlled to be heated is used for removing glue, other tools needed in the traditional glue removing process are omitted, then the convenience of removing the sealing glue is improved, and the operation process of removing the sealing glue is simplified. Moreover, the width of the head end of the welding head is designed to be larger than the width of the tail end of the welding head, so that the stress of the head end is increased, the welding head can be used for scraping the sealing glue, is more durable and cannot be broken in the process of scraping the softened sealing glue, and the service life and the use safety of the welding head are guaranteed.

The frame type gripper device comprises a connecting plate, a frame is fixedly arranged on the connecting plate, the bottoms of the two sides of the frame are fixedly connected with two transverse rods respectively, and the bottom ends of the two transverse rods are provided with swing arm assemblies used for stably supporting the vehicle body and positioning assemblies used for positioning the vehicle body respectively; the positioning assemblies drive a second type block to rotate around a second rotating shaft through a second swing arm air cylinder, a first positioning pin is driven to be accurately inserted into a vehicle body preset positioning hole, the two symmetrically-arranged positioning assemblies can limit multi-direction displacement of a vehicle body, it is ensured that the grabbing positions are consistent, and the problem that an existing clamp is inaccurate in grabbing is solved. The corbel assembly uniformly bears the weight from the bottom point of the vehicle body, the stress is balanced, and the local stress of the vehicle body is prevented from being too large; the anti-skid lines on the upper surface of the supporting block increase the friction force with the vehicle body, and the stop blocks are matched to limit the swing angle, so that the vehicle body is effectively prevented from sliding due to bumping and steering in the transfer process.

This invention discloses a high-lubricant-content epoxy resin anti-icing coating material, the components of which include: 3.21~111.3 parts by weight of organic amine, 2.35~36.52 parts by weight of isocyanate, 22.22~591.30 parts by weight of lubricant, 0~27.78 parts by weight of hydrophobic nanoparticles, 100 parts by weight of epoxy resin, 25.71~41.03 parts by weight of curing agent, 0~2.86 parts by weight of accelerator DMP-30, and 59.52~4927.54 parts by weight of organic solvent. This invention also provides a method for preparing the above coating material and its application. The coating material, its preparation method, and its application of this invention solve the problems of poor lubricant binding capacity and low storage capacity of existing anti-icing coating materials through polymer entanglement and urea adsorption, reducing ice adhesion strength to 10-50 kPa, while simultaneously possessing hydrophobicity, mechanical strength, and durability.

This utility model discloses a metering concentric screw valve, including a housing containing a motor; a valve body, with a rotor located at the axial center of the valve body at the output end of the motor. A coupling connects the rotor to the output end of the motor, transmitting the torque generated by the motor output to drive the rotor to rotate. The rotor consists of an integral rod body and rod head, with a double-threaded portion formed on the surface of the rod body. In this utility model, increasing the length of the rotor effectively adjusts the internal spatial layout of the cavity, allowing for smoother flow of adhesive within the cavity and a more uniform pressure distribution, thereby reducing the internal pressure and decreasing the possibility of adhesive leakage due to pressure. Furthermore, the rotor's thread structure is optimized and upgraded, changing the original single-layer thread structure to a double-layer thread structure, which provides a stronger force during rotor rotation.

The utility model provides a kind of oil compensation structure and shock absorber, oil compensation structure includes compensation valve system, shock absorber main body and recovery electromagnetic valve, recovery electromagnetic valve is communicated with the recovery cavity inside shock absorber main body by compensation valve system, compensation valve system includes upper link ring, lower link ring, compensation spring and compensation valve block, one end of upper link ring is connected with recovery electromagnetic valve and is sealed by valve line, other end is sealed with lower link ring and forms cavity, compensation valve block is set on lower link ring, first connecting boss is formed on one side of upper link ring, one end of compensation spring is interference sleeve joint with first connecting boss, other end presses compensation valve block on lower link ring and seals compensation hole, lower link ring is connected with intermediate cylinder by second connecting boss;Optimization to compensation valve system parts structure and installation mode is realized by the oil compensation structure, the stability of oil seal is promoted, and response speed is improved.

The application provides a nanocellulose-based edible preservative liquid, a preparation method and a use method thereof. The nanocellulose-based edible preservative liquid comprises a nanocellulose solution, beeswax and glycerol. The preparation method comprises the following steps: mixing the nanocellulose solution, the beeswax and the glycerol according to a proportion and heating to melt the beeswax to obtain a mixed liquid; then, stirring and emulsifying the mixed liquid to obtain a nanocellulose emulsion; finally, performing vacuum defoaming treatment on the nanocellulose emulsion to obtain the nanocellulose-based edible preservative liquid. The application develops an edible and easy-to-wash preservative liquid based on nanocellulose, adopts a dipping coating mode to perform coating film treatment on fruits and vegetables, forms a micro-nano level preservative coating layer on the surface of the fruits and vegetables, can effectively reduce the loss of water and nutrients on the surface and inside of the fruits and vegetables, reduces the gas permeability of the preservative coating layer, and significantly enhances the mechanical strength of the preservative coating layer.

The present application relates to a kind of suture anchor implantation device, including self-drilling rod body (1), nail body (2), suture anchor (5) and fixed suture (6);Two suture grooves (8) are formed on the outer surface of self-drilling rod body (1) along the length direction;Nail body (2) is keyed to one end of self-drilling rod body (1);Through hole I (12) is provided on nail body (2), and one end of nail body (2) is pointed end;Suture anchor (5) and fixed suture (6) are all passed through through hole I (12), and the two ends of fixed suture (6) are respectively passed out along two suture grooves (8), and the two ends of suture anchor (5) are free end.The suture anchor implantation device of the present application can automatically knot during implantation, without subsequent pulling suture knot;Knot position is fixed, and knot displacement will not occur;Hole depth is relatively shallow, and bone removal amount is small;Interference between hole and hole is smaller, and the number of anchor points that can be implanted per unit area is more, and the range of optional area of operation is wide.

The utility model discloses a coal feeding flow-aiding smoke locking device for a boiler, which comprises a coal inlet pipe, a middle pipe and a coal outlet pipe through which coal flow passes, and an air shaping device through which flow-aiding air entering from a flow-aiding air pipe passes in sequence. The central axes of the coal inlet pipe and the coal outlet pipe coincide, and the bottom opening of the middle pipe is slightly smaller than the upper opening. The shaping air device comprises a flow-assisting air pipe, an air bellow and a plurality of flow-guiding air pipes, the flow-assisting air pipe is vertically or tangentially communicated with the air bellow, the air bellow is fixed outside the middle pipe, the flow-guiding air pipes are positioned below the air bellow and uniformly distributed on the outer wall of the middle pipe, upper openings of the flow-guiding air pipes are communicated with an inner cavity of the air bellow, and bottom openings of the flow-guiding air pipes are uniformly distributed on the periphery of the coal outlet pipe. According to the utility model, the horizontal flow aiding air entering from the flow aiding air pipe is changed into the same direction as the coal flow after passing through the air bellow and the flow guide air pipe, and forms a common downward resultant force with the coal flow, so that hot air flowing upwards from the inside of the boiler can be effectively inhibited, and the coal feeder is protected.

A method for laser welding of titanium / aluminum using coaxial airflow and pre-placed powder-assisted welding comprises the following steps: S1, machining a powder-filling groove on the surface of the aluminum alloy workpiece to be welded; S2, grinding and cleaning the surfaces of the titanium alloy workpiece to be welded and the machined aluminum alloy workpiece; S3, filling the powder-filling groove with pre-prepared metal powder, wherein the pre-prepared metal powder is pure Zr powder, pure V powder, or pure Nb powder; S4, lapping the aluminum alloy workpiece and titanium alloy workpiece to be welded with the titanium alloy workpiece on top and the aluminum alloy workpiece on the bottom to form a lap joint assembly, fixing it on a welding fixture, and covering it with a gas protective cover; S5, welding the assembly using a oscillating laser, during which protective gas is introduced through the gas pipe of the gas protective cover, and a pulsed coaxial protective gas flow is delivered to the welding position in real time through a coaxial gas delivery device. This invention solves the problem of difficulty in controlling the thickness of the brittle intermetallic compound layer during titanium-aluminum dissimilar metal welding.

The invention relates to a catalytic reaction rectification element and a preparation method and application thereof. The preparation method of the catalytic reaction rectification element comprises the following steps: mixing a silicon source, an aluminum source, a template agent and first water to prepare a first solution; mixing a coupling agent, a first metal salt, a second metal salt and second water to prepare a second solution; metal elements in the first metal salt comprise cobalt or copper, and metal elements in the second metal salt comprise lanthanide rare earth elements; a catalytic reaction rectification filler is placed in the first solution for a first hydrothermal reaction, then drying is performed, and a molecular sieve loaded filler is prepared; and placing the molecular sieve loaded filler in the second solution for a second hydrothermal reaction to prepare the catalytic reaction rectification element. The catalytic reaction rectification element is used for catalytic reaction rectification, and a high-purity anhydride product can be prepared.

This invention relates to the field of shipbuilding technology, and more particularly to a structural design method and a vessel for a liquid cargo ship. The structural design method for the liquid cargo ship includes the following steps: an independent liquid cargo tank is located in the ship's hold; a first strong rib and a plurality of second strong ribs are fixedly installed within the independent liquid cargo tank along its length. The first strong rib includes an upper rib and a lower rib. The lower rib and the plurality of second strong ribs are arranged at equal intervals along the length of the independent liquid cargo tank, and the upper rib and the lower rib are arranged alternately. The inner wall surface of the ship's hold is provided with a first strong frame and a plurality of second strong frames at intervals; a plurality of anti-buoyancy seats are provided at intervals on the upper surface of the independent liquid cargo tank; and a plurality of support seats are provided on the bottom plate of the ship's hold. This invention enables the load on the anti-buoyancy seats and support seats to tend to be even, thereby simplifying the design, reducing construction difficulty, and reducing construction costs.

The application belongs to the field of polymer preparation, and particularly relates to a preparation method of polyurea with a stimulating fluorescent response. H ), the fluorescent functional monomer (ON H ) is constructed by the reaction of epoxy resin and amino, and the phthalic acid group is suspended on the main chain by the reaction of ON and diisocyanate, so that the phthalic acid polymer is formed in the material, the structure or state of the phthalic acid polymer changes under different environments due to the different states of the carboxyl group under different pH values and the characteristic that the carboxyl group can form a coordination action with metal ions, the fluorescent characteristics change, and the fluorescent color changes from yellow-green to blue with the increase of the pH value. The preparation method of the polyurea with the stimulating fluorescent response is novel, the prepared polyurea has the stimulating fluorescent response characteristics, and has a wide market prospect. The steps are simple, the operation is convenient, and the practicability is high.

The application discloses a surveying and mapping instrument positioning device for engineering surveying and mapping, and relates to the field of engineering surveying and mapping.The surveying and mapping instrument positioning device comprises a surveying and mapping instrument main body, a surveying and mapping adjusting mechanism is fixedly connected to the upper side of the surveying and mapping instrument main body, a telescopic tripod mechanism is fixedly connected to the lower side of the surveying and mapping adjusting mechanism, and an expanded support mechanism is rotatably connected to the lower side of the telescopic tripod mechanism.The expanded support mechanism is used for expanding the support range when the device encounters a sludge ground, the third gears are rotated to drive the lower floating support assembly to make a fan-shaped movement, the air cushion ring moves downwards, the inside of the air cushion ring is filled with gas, the air cushion ring is supported on the sludge surface, the support area is increased, the stress is more stable, compared with a traditional tripod with a sharp tip at the bottom, the gravity component of the expanded support mechanism remains unchanged, the contact area with the sludge is increased, the floating support assembly is expanded fan-shapedly outward, the gravity center of the overall expanded support mechanism is lowered, and the stability of standing on the sludge is improved.

The application discloses a paint spraying and scraping robot and a control method thereof. The method comprises the following steps: before a first scraper performs scraping on a construction surface, a mechanical arm and the first scraper are controlled to be in a working state in which an elastic member forms a preset compression amount, so that the elastic member can be elastically supported during the scraping; during the scraping of the first scraper on the construction surface, force data of the elastic member is continuously acquired, and a state change of the elastic member is determined according to the force data; the state change is compared with a preset condition, and according to a comparison result, the mechanical arm drives the first scraper to move on the construction surface or drives the first scraper to move away from the construction surface. The application can form a pre-pressing buffer by using the elastic member, and dynamically adjust the movement of the mechanical arm based on the force change, so that the contact impact caused by the ups and downs of the construction surface and the accumulation of the paint and the control lag influence are reduced, and the contact stability, continuity and construction quality in the scraping process are improved.

The utility model discloses a high-strength mould pressing type cable bridge which comprises a main board, the top of the main board is provided with a separation assembly, the surface of the main board is provided with an installation mechanism, the installation mechanism comprises an installation assembly, the installation assembly comprises limiting sliding rails installed on the two sides of the main board, the surfaces of the limiting sliding rails are connected with sliding blocks in a sliding mode, and the sliding blocks are connected with the separation assembly. The utility model relates to the technical field of cable bridges. According to the high-strength mould pressing type cable bridge, by arranging the regulation and control assembly, flexible adjustment of the height of the main board can be achieved, so that the cable bridge can be suitable for different field environments, meanwhile, maintenance operation on a cable in follow-up work is facilitated, supporting can be assisted through a connecting plate, a regulation and control block, a regulation and control rod, a regulation and control box and a supporting rod, and the cable bridge is convenient to use. According to the cable bridge, stress is increased, the strength of the cable bridge is improved, and the cable bridge is more stable in the regulation and control process by arranging the sliding blocks and the limiting sliding rails which are symmetrical.

This invention discloses a purification device for reverse osmosis membranes in wastewater treatment, relating to the field of reverse osmosis membrane purification technology. It includes a frame, a purification inner cylinder, a covering outer cylinder, and a rotating and tilting mechanism. The invention utilizes a covering outer cylinder, a purification inner cylinder, and a rotating and tilting mechanism mounted on the frame. A notched gear is driven by the output of a drive motor. When the teeth of the notched gear mesh with the rack, the entire reverse osmosis membrane is thoroughly purified, avoiding excessive force on the membrane ends caused by unidirectional water flow purification and ensuring the quality of the purified product. When the teeth of the notched gear disengage from the rack, the purification inner cylinder rotates synchronously in the opposite direction with varying acceleration, while the covering outer cylinder tilts synchronously around the hinge point with the fixed frame and tilts towards the outlet. This allows the ejected viscous deposits to slide towards the outlet with the low-pressure water flow and be discharged together, ensuring purification effectiveness without affecting the purification of the next reverse osmosis membrane.