88results about How to "Achieve mechanical properties" patented technology

The present invention belongs to the technical field of electrolytic copper foil. The present invention provides an electrolyte for ultra-thin electrolytic copper foil, in which the mass concentration of copper sulfate is 175-260 g / L, the mass concentration of inorganic acid is 80-100 g / L, the mass concentration of additive is 1-5 g / L, the mass concentration of complexing agent is 3-8 g / L, the mass concentration of conductive polymer is 0.5-3 g / L, and the mass concentration of hydrolyzed collagen is 0.1-0.5 g / L. The present invention also provides an ultra-thin electrolytic copper foil and a preparation method thereof. The present invention significantly reduces the thickness and roughness of the copper foil by controlling the components of the electrolyte and their concentrations and the electrodeposition process parameters, while improving the mechanical properties, antioxidant properties and electrochemical properties of the copper foil. The ultra-thin copper foil of the present invention can be produced continuously without tearing, achieving a double breakthrough in the ultra-thin thickness and mechanical properties of the copper foil.

The invention discloses comprehensive rock drift rapid tunneling equipment and a using method thereof.According to the tunneling equipment, a drilling and anchoring integrated multifunctional drilling machine is arranged on one side of a cantilever type tunneling machine body, and a temporary supporting mechanism is arranged above an oscillation cutting part; a deep hole is formed in a to-be-crushed rock by utilizing the multifunctional drilling machine, the deep hole is further expanded and cracked by utilizing the pulsating fracturing system, the strength of a rock mass is weakened, then the rock mass is milled by adopting the oscillating cutting part, and finally, the rock mass is anchored and protected by utilizing the multifunctional drilling machine and the temporary supporting device, so that a guarantee is provided for an operation environment. According to the equipment and the technology, a traditional roadway tunneling procedure is simplified into a continuous procedure, the tunneling efficiency of roadway rock mass is greatly improved, and meanwhile the cost is saved.

An anti-blocking coal bunker for a coal mine comprises a bunker body, a coal inlet formed in the top of the bunker body and a coal outlet bunker arranged at the bottom of the bunker body, a cylinder is vertically erected in an inner cavity of the bunker body, a plurality of sets of connecting arm frames which are of a cross-shaped arrangement structure are evenly arranged on the circumference of the cylinder from top to bottom, and the cylinder is fixed to the inner cavity of the bunker body through the connecting arm frames. Anti-blocking coal cleaning mechanisms used for stirring coal accumulated in the bin body are further evenly arranged on the cylinder from top to bottom. On the basis of the single structure of an existing coal bunker, the coal bunker structure is optimized and designed again, the cylinder, the connecting arm frame, the anti-blocking coal cleaning mechanism and other structures are introduced into the coal bunker, automatic and mechanical coal cleaning and dredging of the coal bunker are achieved, and the safety problem caused by coal bunker blocking is fundamentally solved.

The invention discloses a top coal caving anchor breaking end support and an anchor breaking method.The top coal caving anchor breaking end support comprises a plurality of support units and a plurality of anchor breaking devices, the anchor breaking devices are assembled below a top beam of the support unit located at the foremost end, and each anchor breaking device comprises a swing arm, a first drive, a front bracket, a second drive, a tool rest, a third drive and an execution device; the swing arm and the top beam are rotationally assembled and can swing horizontally, the first drive is connected between the swing arm and the top beam, the front bracket and the top beam are rotationally assembled and can swing in a pitching mode, the second drive is assembled below the top beam and connected between the front bracket and the swing arm, and the tool rest and the front bracket are assembled in a sliding mode and can slide in the extending direction of the front bracket. The third driver is assembled below the front bracket and connected between the tool rest and the front bracket, and the execution device is assembled on the tool rest. According to the anchor breaking end support, end supporting operation can be met, and meanwhile mechanical and automatic shearing of an anchoring part can be achieved.

The invention discloses a method, a device, equipment, a medium and a product for manufacturing a hollow-core optical fiber cable, and the method comprises the steps: carrying out the high-temperature hot-melting tapering of a hollow-core optical fiber in the drawing process of the hollow-core optical fiber or after the drawing, so as to form a solid optical fiber segment; and performing cabling processing on the hollow-core optical fiber to form the hollow-core optical fiber cable. By means of the technical means, the solid optical fiber sections are formed at the two ends of the hollow optical fiber, impurities can be prevented from entering the hollow optical fiber, the quality of the hollow optical fiber cable is effectively improved, and the construction difficulty and the construction cost are reduced.

The utility model provides side slope concrete spraying equipment which comprises a slope top moving mechanism and a slope bottom moving mechanism which are arranged on the top of a side slope and the bottom of the side slope, a guide mechanism parallel to the side slope is arranged between the slope top moving mechanism and the slope bottom moving mechanism, and a spraying mechanism capable of sliding in the height direction of the side slope is arranged on the guide mechanism. A lifting mechanism connected with the spraying mechanism is arranged on the slope top moving mechanism, a concrete spraying machine is arranged on the slope bottom moving mechanism, and the conveying end of the concrete spraying machine is connected with the spraying mechanism through a telescopic hose. The moving mechanisms are arranged at the top and the bottom of the side slope and matched with the guide mechanism parallel to the side slope, so that the spraying mechanism can stably ascend and descend along the guide mechanism, ecological concrete is accurately sprayed to the side slope, mechanization and continuity of spraying operation are effectively achieved, and the working efficiency is improved. And the phenomena of concrete dispersion and waste caused by long distance and large height in manual operation are avoided, and the spraying uniformity and the construction quality are remarkably improved.

The utility model relates to the technical field of catalyst preparation equipment, in particular to a reaction kettle for efficiently preparing a platinum-carbon catalyst. The utility model provides a reaction kettle for efficiently preparing a platinum-carbon catalyst. The reaction kettle comprises a cart, a reaction kettle body, a controller, a pump machine, a liquid conveying pipe, a gas conveying pipe, a connecting pipe and the like, a reaction kettle body is fixedly connected to the top of a top plate of the cart, a first cavity and a second cavity are formed in the reaction kettle body, a controller is fixedly connected to the bottom of the top plate of the cart, a pump is fixedly connected to the upper portion of the front side of the reaction kettle body, one end of a liquid conveying pipe is communicated with the inner bottom of the first cavity, the other end of the liquid conveying pipe penetrates through the pump and is communicated with a connecting pipe, and a gas conveying pipe is communicated with the connecting pipe. According to the utility model, by arranging the ultrasonic vibration rod and the stirring mechanism, ultrasonic dispersion and mechanical stirring of raw materials are realized, uniformly dispersed turbid liquid is obtained, the reduction reaction can be fully carried out, platinum particles can be more uniformly loaded on a carbon carrier, and thus the performance of the prepared platinum-carbon catalyst is improved.

The utility model discloses a sealing mechanism capable of adaptively adjusting pressure, which relates to the technical field of express packaging and comprises a fixed pressing component, a movable pressing component and a guide rod structure for connecting the fixed pressing component and the movable pressing component. The fixed press-fit assembly is fixedly installed, guide rods on the two sides of the fixed press-fit assembly are elastically connected with the movable press-fit assembly through elastic structures, and the movable press-fit assembly is driven by double synchronous belts or a single synchronous belt to achieve accurate linear motion. The fixed pressing assembly is integrated with a heating wire assembly and a bag pulling rubber strip, the movable pressing assembly is provided with a pressing rubber strip and a tight pulling pressing edge with a chamfer, and when the pressing rubber strip and the tight pulling pressing edge are pressed, the double functions of heat sealing and mechanical locking are achieved. And the elastic structure adopts the design of a compression spring and a limiting convex cover, so that elastic pressure is continuously kept during pressing of the movable pressing assembly, the pressing force is adjusted in a self-adaptive manner, and hard collision is avoided. The mechanism solves the problems that a traditional sealing device is unstable in press fit and poor in sealing quality, the sealing strength is improved, the bag pulling slippage rate is reduced, and the mechanism is suitable for high-speed automatic express packaging operation.

The present application relates to steel truss beam anchor grab technical field, and disclose a kind of suspension bridge steel truss beam anchor grab device and use method.The device includes base, the upper surface of the base is fixedly installed with electric slide rail, the outer surface of the electric slide rail is slidably connected with sliding seat, the lower surface of the sliding seat is attached with the upper surface of base, the upper surface of the sliding seat is fixedly installed with L-shaped plate, the top downside of the L-shaped plate is provided with installation auxiliary anchor grab locking mechanism.The present application is provided by setting up rising pushing mechanism, the automation and accurate alignment of anchor grab action are realized, when electric push rod driving rack rises, rack sequentially drives fixed gear, connecting shaft one, large gear, pinion and connecting shaft two rotate, finally drive cam push round corner block and receiving block, make anchor grab hook automatically upward, without additional sensor or electric control element, vertical rising movement of lifting plate can be converted into accurate elevation angle adjustment of anchor grab hook.

The utility model belongs to the technical field of ground well lid operation, and particularly relates to a well lid auxiliary lifting manipulator which comprises a fixing frame, a moving rod is arranged on the fixing frame, a hinge arm is hinged to the outer wall of the moving rod, a lifting device is arranged at the end of the hinge arm and comprises a stand column, and a hydraulic cylinder is fixedly connected to the outer wall of the stand column. According to the auxiliary lifting manipulator for the well lid, mechanical grabbing and lifting of the well lid are achieved through the lifting device, the hydraulic cylinder, the air cylinder and other automatic assemblies, the operation efficiency is remarkably improved through the design, the labor intensity of workers is relieved, and compared with a traditional manual grabbing mode, mechanical operation is faster and more accurate; according to the well lid opening and closing device, the well lid can be opened and closed within a short time, so that the working efficiency is improved, meanwhile, the supporting area of the base is effectively enlarged through the design of the sliding plate and the hinge rod, the device can be prevented from shaking when the well lid is grabbed, and the stability in the well lid grabbing process is improved.

The utility model discloses an efficient multi-section type vibration spraying quartz cleaning machine, which belongs to the technical field of quartz raw material cleaning equipment, and comprises a pretreatment tank, a main cleaning tank and a slag discharging and water collecting component, the pretreatment tank and the main cleaning tank are respectively connected with a first vibration source and a second vibration source, and the bottom surface of the inner wall of the pretreatment tank comprises a climbing cleaning section and a slag leaking section; a first overflow port and a drainage port are respectively formed in the top and the bottom of one end, far away from the main cleaning tank, of the pretreatment tank, and are connected with the deslagging and water collecting assembly; a leakage plate is fixedly connected into the main cleaning tank and divides the main cleaning tank into a cleaning cavity and a water return cavity which are arranged up and down, a spraying pipe network is arranged at the top of the cleaning cavity, and the water return cavity and the slag leakage section are both connected with the slag discharging and water collecting assembly. According to the efficient multi-section type vibration spraying quartz cleaning machine adopting the structure, manual intervention can be reduced, the automation degree is high, the cleaning effect is good, and the efficiency is high.

The utility model relates to the technical field of pipe fitting connection, and discloses a metal thin-wall pipe connecting pipe fitting structure which comprises an inner ring clamp double-sealing pipe fitting, the outer surface of the inner ring clamp double-sealing pipe fitting is movably connected with an outer ring clamp double-sealing pipe fitting in a sleeved mode, and the left side of the outer surface of the inner ring clamp double-sealing pipe fitting is provided with an external thread. The inner wall of the outer ring clamp double-sealing pipe fitting is provided with internal threads, the inner ring clamp double-sealing pipe fitting and the outer ring clamp double-sealing pipe fitting are in threaded connection through the external threads and the internal threads, and an O-shaped sealing ring and a sealing rubber ring are movably arranged between the inner ring clamp double-sealing pipe fitting and the outer ring clamp double-sealing pipe fitting in a sleeving mode. According to the pipeline connecting device, through multiple sealing and reinforcing design, the double effects of physical sealing and mechanical locking are achieved, multi-level protection is formed, the medium leakage risk under the complex working conditions of high pressure, vibration and the like is effectively resisted, and the whole set of connecting mode is combined with the high strength of threaded connection and the high reliability of elastic sealing.

The invention discloses a light and simple mechanical potato planting device and method in the technical field of agricultural planting, and the method comprises the following steps: 1, selecting and preparing a land, and carrying out deep ploughing and fine soil preparation by adopting a rotary cultivator 3-4 days before sowing, with the rotary tillage depth being 25-30 cm; 2, seed potatoes are prepared, and the cut seed potatoes are subjected to seed dressing treatment after being diced; 3, preparing a base fertilizer containing phoxim for preventing and treating underground pests; 4, a light and simple potato planting device is used for carrying out compartment opening and ridging, the sowing depth is accurately controlled, and when base fertilizer is applied, compound fertilizer is applied at intervals to seed potatoes, so that bud burning and seed rotting are avoided; 5, medium-term management, wherein 5-7.5 kg of urea is applied per mu according to the seedling condition for seedling lifting. The potato ridger is efficient and practical, manpower consumption of potato sowing, fertilizing and ridging is reduced through mechanical application, the structure of the ridging shovel is optimized, the planting efficiency and quality are improved, potato planting is simplified and efficient, labor intensity and planting cost are reduced, and the planting efficiency and quality are improved.

The invention relates to the technical field of automobile outdoor rescue, and discloses a wheel ditch escape device and a using method thereof.The wheel ditch escape device comprises a base plate serving as a basic bearing component of the device; at least two groups of multi-section telescopic rods are arranged, and the bottom ends of the multi-section telescopic rods are vertically and fixedly connected to the base plate; the clamping device is fixedly mounted at the top end of the multi-section telescopic rod; the top panel is arranged above the multi-section telescopic rod and is used for providing a horizontal supporting surface after the wheels drive out of the ditch; and the underpinning type linear sliding rail is fixedly arranged on the bottom surface of the top panel and is in sliding fit with the clamping device. The bottom supporting type linear sliding rail is arranged at the bottom of the top panel, sliding locking is achieved in cooperation with the clamping device at the top end of the multi-section telescopic rod, longitudinal displacement of the top panel can be flexibly adjusted, and horizontal endpoint position changes, caused by inclination angle adjustment, of the inclined panel are effectively compensated.

The utility model discloses a cabinet board fixed distance cutting mechanism, and a plurality of pulleys are equidistantly arranged on the workbench, a scale is arranged on the right top of the workbench, a clamping structure is arranged at the bottom center of the workbench, and a driving fixing structure is arranged on the back side of the workbench. The utility model relates to the technical field of board processing mechanical equipment, and the scale arranged on the right side of the workbench can quickly and accurately measure the board, the first lead screw, the light shaft and the sliding block are combined in the driving fixing structure, the lifting frame can stably walk up and down along the straight line, the driving fixing structure integrates the driving motor, the lead screw and the cutting motor, realizes the mechanization and automation of the cutting process, and the operator only needs to push the walking base to move left and right to complete the cutting. The clamping structure at the bottom of the workbench drives the second lead screw by rotating the handle, moves the clamping plate, and tightly presses the board on the workbench from the left and right sides.

According to the bagged preparation split charging consumable and system, the split charging pipe set and the flow detection pipe set are connected to one end of the main pipeline in parallel, the average flow value of a peristaltic pump at the split charging rotating speed is calculated through the flow detection pipe set, then liquid is filled with the same average flow, and therefore the filling time is more accurately controlled, and the filling efficiency is improved. The flow value error caused by equal-ratio calculation of the flow at different rotating speeds through the rotating speed ratio in a traditional method is eliminated; besides, the split charging pipe group and the flow detection pipe group are connected with the main pipeline in parallel, and the liquid in the pipeline is pumped back to the mother liquid bag, so that the residue of the cell liquid in the pipeline can be reduced; the sub-packaging system adopts specially designed disposable sterile closed consumables, and a peristaltic pump, a flow detection tube module and a sub-packaging tube group are uniformly controlled through a controller, so that the risk that the cell liquid is polluted is reduced while mechanical sub-packaging and exhaust are realized.

The application relates to the technical field of metal matrix composite structure preparation, in particular to a SiC fiber reinforced metal matrix composite joint sample and a preparation method and application thereof. The structural design of the joint sample comprises an inclined plane joint and a conical surface joint, and the preparation method comprises the following steps: the SiC fiber reinforced metal matrix composite precursor wire and an alloy rod with an inclined plane or a conical surface structure at one end are jointly loaded into a hollow cylindrical alloy sheath, then hot isostatic pressing is adopted, and mechanical processing is carried out, so that the SiC fiber reinforced metal matrix composite joint sample with a specific structural form is obtained. Different forms of metal matrix composite and alloy connection are provided by designing different joint structures. The whole forming of the alloy and the composite material is realized through hot isostatic pressing, the obtained joint can be processed to prepare a tensile sample, the tensile test is carried out, and the research on the mechanical properties and failure behavior of the joint is realized.

The application discloses an iron-based raw material reinforced pig manure and rice straw mixed anaerobic fermentation device, and particularly relates to the technical field of anaerobic treatment, and comprises a fermentation tank, a groove cylinder, a moving block and a cover pressing piece. The upper surface of the fermentation tank is fixedly connected with the groove cylinder. The device further comprises: the moving block is arranged on one side of the groove cylinder; the cover pressing piece is installed on one end of the moving block, and is used for covering and pressing the top end surface of the groove cylinder when the anaerobic bacteria agent is put into the groove cylinder. The application has formed a complete closed loop process from the top cover, automatic positioning to in-situ verification, realizes the mandatory automatic verification before the anaerobic bacteria agent is added, eliminates the operation space of directly adding unqualified anaerobic bacteria agent by personnel violation, greatly improves the anaerobic treatment effect, and solves the problem of adding out of control caused by human subjective negligence, destroys the microbial activity and metabolic balance, and causes the significant decrease of the anaerobic treatment effect.

The utility model discloses a steel sheet bin discharging device, including the fixing frame, be provided with the discharge component on the fixing frame, the discharge component includes the bin body and the feed tank, the bin body sets up the fixing frame, the feed tank sets up at the bin body bottom, install and be equipped with the second motor on the feed tank, the output of motor is connected and is equipped with the transmission assembly, be provided with the shielding component on the feed tank, the shielding component includes the fixed plate and the hinged seat, the fixed plate installs one end at the feed tank, install on the fixed plate on the hinged seat, the hinged seat is equipped with the cylinder on the hinged installation, to solve the background art mentioned in the prior art field, the steel sheet bin discharging device has the obvious function defect and the technical problem of low efficiency in material conveying link.

This invention relates to an energy dispatching method and system for a gravitational potential energy power generation system, belonging to the field of power generation system technology. The method includes: calculating the power gap by measuring the power of grid nodes and comparing it to a baseline, and then converting this into the target height of the gravity block. Based on this, the potential energy power generation capacity is deduced, the gravity block lifting and lowering sequence is planned, and the motor torque is allocated. Finally, based on the torque curve, the frequency converter and speed are adjusted to drive the gravity block, achieving dynamic conversion and balance between gravitational potential energy and grid electrical energy. This solves the technical problems of traditional solutions, which result in a disconnect between mechanical action and grid demand, inaccurate power output adjustment, and the generation of useless power surges or vacuum periods during acceleration and deceleration, which can worsen the power quality of the local grid.

The utility model discloses a forest unmanned plane fire engine relates to fire fighting equipment technical field, including unmanned plane fire engine, the rear side of unmanned plane fire engine is provided with the alternate water supplement mechanism, the top of alternate water supplement mechanism is provided with the mounting unmanned plane, the alternate water supplement mechanism includes the water tank, the bottom rear side of water tank is provided with two water tank put into holes that go through its inner chamber, the inner chamber of two water tank put into holes all is provided with the mounting water tank. The utility model discloses through setting alternate water supplement mechanism, including two alternate use's mounting water tank, L type water pipe, electric push rod and push plate structure, so that when one mounting water tank is in the execution extinguishing fire task, another water tank can carry out water supplement simultaneously, makes unmanned plane to return behind can quick replacement has filled up water tank and takes off again, greatly shortens the time of waiting for water supplement, is especially suitable for long distance, continuous forest fire fighting task, improves the fire extinguishing efficiency.

This invention relates to the field of hybrid rice seed production technology, specifically to a method for the factory-scale seedling raising of the male parent for hybrid rice seed production. The method includes: sowing the male parent once using factory-scale seedling raising; then, by controlling the seedling age, transplanting the seedlings in two batches manually to the field or transplanting them mechanically in one batch, replacing the traditional two-stage sowing and staggered transplanting method. This method avoids the impact of low spring temperatures on the growth of the male parent, simplifies the seedling raising process, reduces the sowing and seedling raising process by one step, saves labor and seedling raising costs, and ensures that the flowering periods of both parents coincide. The final seed yield is not significantly different from traditional methods, and it is suitable for large-scale, mechanized hybrid rice seed production.

The application provides an aircraft composite lattice sandwich energy-absorbing structure and a performance prediction method thereof, and belongs to the technical field of composite materials. The application takes a tensile-dominant octagonal truss lattice as a basic lattice structure, fuses a body-centered cubic lattice, simple cubic point mechanics characteristics of tensile-dominant and bending-dominant to strengthen mechanical properties, forms a new hybrid lattice structure, establishes an optimal arrangement strategy of the lattice structure inspired by a bionic bone microstructure, combines the characteristics of the two lattice structures, effectively improves the mechanical properties of the sandwich structure, including higher peak load, average load, specific energy absorption and more stable crushing force efficiency, and establishes a prediction model of the effective stiffness and relative density of the two-phase lattice, effectively realizes customized mechanical properties, and widens the application of the lattice sandwich structure in aircraft structures.

The application relates to the technical field of composite materials, and discloses a preparation method of a multilayer composite core body, which comprises the following steps: pretreatment, spraying treatment, core composite material preparation, compounding and curing forming; the surface of a fiber base layer is chemically modified through functional pretreatment, the wettability and reactivity of the fiber surface are improved, the different fiber layers with different functional characteristics can be more closely and stably combined, and therefore the integrity, reliability and durability of the multilayer composite core body structure are enhanced; through spraying treatment, functional particles are uniformly loaded on the surface of the fiber base layer in the form of a stable dispersion liquid; the functional particles have good compatibility and bonding force with the fiber base and the interlayer composite material after being treated and surface-modified in a specific manner, the core body is endowed with specific surface functions, the interface bonding between the fiber and the base is enhanced, and the functionality, uniformity and structural strength of the core body are improved.

This utility model provides a horizontal machining center tool holder. The horizontal machining center tool holder includes a support frame, a rotating assembly fixedly connected to one side of the support frame, a fixed base fixedly connected to one side of the rotating assembly, a clamping assembly on the top of the fixed base, the top of the clamping assembly fixedly connected to the bottom of a mounting column, the inner wall of the mounting column slidably connected to the outer wall of a pressure column, the top of the pressure column fixedly connected to the bottom of a throttle, an arc-shaped groove on the outer wall of the mounting column, one end of a limiting column fixedly connected to the outer wall of the limiting column, the outer wall of the limiting column slidably connected to the inner wall of the arc-shaped groove, a limiting hole on the outer wall of the clamping assembly, the bottom outer wall of the pressure column slidably connected to the outer wall of the limiting hole, the bottom of the mounting column fixedly connected to the top of a second spring, and the inner wall of the second spring fixedly connected to the outer wall of the pressure column. The horizontal machining center tool holder provided by this utility model has the advantages of avoiding the cumbersome operation caused by traditional screw tightening and reducing tool change time.

The invention provides a steering and transmission box body and a mechanical top drive drilling machine and full-hydraulic drilling machine all-in-one machine, the steering and transmission box body comprises a steering box body, a first power input end, a first power output end and a first transmission assembly, in the rotating process of the steering box body, the first power output end can directionally transmit power within a certain angle range; the all-in-one machine comprises the steering and transmission box body, and further comprises a crawler chassis, a power output assembly, a mast, a mast lifting oil cylinder, a hexagonal transmission rod and an integrated power head, and the power output assembly is arranged on the crawler chassis. The integrated power head can have two kinds of drill rod driving force through a hydraulic system pipeline, a steering box body and a transmission box body, and therefore geological deep hole exploration can be efficiently and safely completed.

The application is suitable for the technical field of irrigation control systems, and provides an intelligent irrigation water resource control system for water distribution in irrigation areas, which comprises a control center, a sensor unit, an irrigation unit, a pump suction unit and a silt-cleaning pond, the control center comprises a real-time data module, a data-driven model and a real-time data fusion module, the real-time data module is used for receiving multi-source real-time data, the multi-source real-time data comprises soil moisture content, environmental temperature and humidity of the irrigation area and weather forecast data, the data-driven model comprises crop water requirement and growth conditions, the real-time data fusion module trains a model according to multi-source real-time data and historical data, takes a digital twin as a simulation environment, and simulates and deduces different irrigation schemes in multiple future periods before each irrigation decision, the application predicts the irrigation based on the digital twin and weather forecast, avoids the 'collision' with rainfall, and can save water by 15% to 25% in expectation.

This invention discloses a safe construction passage for offshore beam joints, belonging to the field of marine engineering technology. It includes a transverse support frame located at the top of the beam, with a first vertical rod fixedly connected to the support frame. A bottom horizontal rod is fixedly connected to the first vertical rod, and a second vertical rod is connected to the bottom horizontal rod. A telescopic ramp abuts above the bottom horizontal rod, and the ramp is located between adjacent pile caps, thus forming a construction passage between them. A drive motor is installed inside the ramp, controlling its extension and retraction. The drive motor is electrically connected to a wind turbine generator, a controller, and a battery. The battery stores the electrical energy generated by the wind turbine generator and transmits it to the controller and drive motor. This invention effectively solves the drawbacks of traditional safety measures relying on personal protective equipment, significantly improves construction efficiency and safety, ensures the continuity and safety of construction in complex marine environments, greatly reduces construction risks, and improves construction efficiency.

The utility model discloses a kind of squeeze dry roller assembly quick replacement device, it is related to squeeze dry roller replacement equipment technical field, to solve the problem of time-consuming and laborious in prior art to squeeze dry roller assembly replacement, influence replacement efficiency, the technical scheme used is, including mobile trolley and lifting trolley, track frame is installed on mobile trolley by height adjusting assembly, by the height adjusting assembly, the ground clearance of track frame is adjusted;Track frame is equipped with lifting slide rail, lifting trolley is slidably connected on lifting slide rail, two lifting trolleys are a group, and squeeze dry roller assembly lifting transport is carried out;Track frame is also inserted with quick release pin, the quick release pin is used for the limiting of lifting trolley, quick release pin of pull ring steel ball type is adopted, the quick separation and fixing of roller group and equipment are realized, and the operation steps of disassembly and installation are simplified.

The invention provides an anchor protection net laying device for a coal mine and a supporting system. The anchor protection net laying device for the coal mine comprises a rack, a rotary propelling beam, a supporting net laying assembly and a controller, and the rack is provided with a positioning tip; the rotary propelling beam can rotate around the positioning tip, the rotary propelling beam is provided with an anchor hole drilling assembly, an anchoring agent filling assembly and an anchor rod mounting assembly, and the anchor hole drilling assembly, the anchoring agent filling assembly and the anchor rod mounting assembly are sequentially arranged around the positioning tip; the supporting net laying assembly is arranged on the rack and comprises a multi-axis mechanical arm and a mechanical gripper, and the mechanical gripper is used for grabbing and laying a supporting net to a to-be-supported area. Full-automatic intelligent supporting of the underground coal mine can be achieved, operation safety is improved, cost and labor intensity are reduced, and working efficiency is improved.