179results about How to "Stable posture" patented technology

The invention discloses a copper pipe surface defect image detection device and method, and relates to the technical field of copper pipe surface defect detection.The copper pipe surface defect image detection device comprises a base, a supporting frame is fixedly installed at the top of the base, an electric telescopic rod is fixedly installed at the top of the supporting frame, and an image detector is fixedly installed at the free end of the electric telescopic rod; a long rod is fixedly mounted at the bottom of the electric telescopic rod; the anti-shaking device is arranged at the top of the base, the anti-shaking device comprises a rotating disc, a copper pipe body, a sliding rod, a circular plate, a trapezoidal block, an L-shaped rod, an arc-shaped plate, a fixed plate, an L-shaped plate, a supporting seat and a rotating plate, an electric telescopic rod moves downwards to drive a long rod to move downwards, and the long rod moves downwards to push the circular plate to move downwards; the inner wall of the copper pipe body is supported through the arc-shaped plates, a stable detection platform can be provided through supporting, and detection errors caused by external force or equipment vibration are reduced.

The invention discloses a plate flattening and shearing production line with high feeding precision and a using method, and relates to the technical field of plate flattening and shearing, the plate flattening and shearing production line comprises a plate flattening and shearing main body, a flattening chamber and a shearing chamber are formed in the plate flattening and shearing main body, and laser displacement sensors are mounted at outlets and inlets of the flattening chamber and the shearing chamber; acoustic sensors are mounted on the side walls of the flattening chamber and the shearing chamber; a top limiting module and a shearing module are mounted on the top wall of the shearing chamber, the top limiting module is used for fixing a plate from the top in the shearing process, and the shearing module is used for shearing the plate; a side face limiting module is installed on the side wall of the shearing chamber and used for fixing the plate from the side face in the shearing process. By installing the top limiting module, the side face limiting module and the shearing module, the problems that in the plate machining process, the feeding precision is low, the machining efficiency is low, flexibility is insufficient, and the machining quality is unstable can be solved.

The utility model discloses an underwater wireless timing transmission device, and relates to the technical field of buoys, the underwater wireless timing transmission device comprises a floating platform, a controller and a release assembly arranged on the floating platform, the floating platform is downwards connected with a balancing weight through a mooring rope, a detection instrument is integrated on the floating platform, the floating platform is buried underwater through the balancing weight, and the output end of the release assembly is provided with a communication buoy. The device has the technical advantages that compared with current common water surface buoy monitoring, due to the fact that no obvious water marker exists, the safety of the device can be effectively improved, compared with underwater monitoring such as a subsurface buoy, the communication buoy can be released in a timed mode, and the safety of the device is improved. Underwater monitoring data are transmitted to a shore-based terminal in real time through satellite communication, so that the timeliness of the data is effectively improved; the buoyancy block of the communication buoy is made of buoyancy materials, the gravity center is located at the bottom, and attitude stability and satellite antenna orientation can be conveniently kept after water is discharged.

The invention provides a humanoid robot complex terrain balance control method based on a state and disturbance observer, and belongs to the technical field of robot application. The problem that the humanoid robot is unstable when walking in a complex environment is solved. According to the technical scheme, the method comprises the following steps that 1, a simplified humanoid robot'spring-damping 'inverted pendulum model is established; 2, designing a state and disturbance observer; step 3, based on the step 2, designing a state feedback controller taking a real-time observation object of the state and disturbance observer as input; 4, selecting an appropriate controller pole and an appropriate controller observation point; and 5, simulation verification of attitude balance control of the humanoid robot under the complex terrain is carried out. The method has the beneficial effects that the robustness of the robot to interference and the task execution capability can be improved particularly in disaster rescue and complex environment operation.

The utility model discloses a cylindrical fixed-wing unmanned aerial vehicle and relates to the technical field of unmanned aerial vehicles. The barrel-shooting fixed-wing unmanned aerial vehicle comprises a launching part and an unmanned aerial vehicle body, the launching part comprises a launching barrel and a support fixing base used for supporting the launching barrel, and a high-pressure gas tank is arranged on the support fixing base and communicates with an inner cavity of the launching barrel through a pipeline. According to the barrel-shot fixed-wing unmanned aerial vehicle, wing parts and flaps of the unmanned aerial vehicle main body fuselage can be folded, the unmanned aerial vehicle main body can be conveniently stored in the launching barrel, after the unmanned aerial vehicle main body is launched out of the barrel, all the unmanned aerial vehicle main body is automatically unfolded, the unmanned aerial vehicle main body fuselage is in a cube shape, and the unmanned aerial vehicle main body is not prone to rotating when placed in the launching barrel; therefore, it is guaranteed that the barrel-shot fixed-wing unmanned aerial vehicle is compact in overall structure, convenient to store and easy to carry and transport, and meanwhile the requirement for rapid and high-speed launching is met.

The utility model relates to the field of flange machining, in particular to a flange drilling positioning and clamping device which comprises a mounting frame, a clamping assembly and a limiting assembly, an adaptive clamping seat is rotatably arranged on one side of the mounting frame through a function switching assembly, and a clamping adjusting seat is arranged in the center of one side of the adaptive clamping seat. Two switching rotating arms are horizontally and symmetrically arranged on the two sides of the clamping adjusting seat, two overhanging arms are horizontally and symmetrically arranged on one side of the mounting frame, the two switching rotating arms horizontally and movably penetrate through the two overhanging arms through bearings correspondingly, and the adaptive clamping seat with the clamping assembly is movably arranged on one side of the mounting frame through the function switching assembly. By adjusting the position and orientation of the adaptive clamping seat, the functions of feeding, machining positioning and discharging dismounting of flanges can be achieved in cooperation with an existing automatic feeding and discharging device, operation is easy and convenient, manpower is saved, under the cooperation effect of the limiting assembly, in the drilling machining process, the posture is kept stable, the drilling position is accurate and reliable, and the machining efficiency is improved.

This utility model discloses an automatic arrangement device for wire drawing dies, including a support, a material box fixed to the top of the support, a hopper fixed to the top of the material box, a turntable inside the material box, a motor fixed to the support, and a drive end of the motor fixedly connected to the turntable. The curved surface of the hopper extends into the material box and forms a channel between it and the turntable for the die to pass through horizontally. The material box is also provided with a guide mechanism matching the channel. Compared with the prior art, the channel of this utility model only allows horizontal dies to pass through, thus ensuring that all dies passing through the channel are horizontal. Furthermore, the horizontal dies will enter the guide mechanism under the centrifugal force generated by the rotation of the turntable, thereby achieving uniform die posture. The final discharged dies are neatly arranged and have consistent postures, ready for direct connection to subsequent processes.

The present invention discloses an autonomous underwater robot for aquaculture, which comprises: an upper cabin body located at the top and two lower cabin bodies located at the bottom, all of which are connected by a T-shaped bracket so that the three are parallel to each other and arranged in a herringbone shape; the top of the T-shaped bracket is connected to the upper cabin body, and the two sides of the bottom thereof are respectively connected to the two lower cabin bodies; the upper cabin body comprises a lighting module, a buoyancy adjustment module, a vertical thruster module, an electric control module, and a stern of the upper cabin body connected in sequence from front to back; a video image acquisition module is installed above the T-shaped bracket for shooting water surface or underwater images. The stern of the upper cabin body is towed and connected to a surface communication buoy by a coaxial watertight cable; a variety of sensors are installed on the T-shaped bracket. After diving and landing on the bottom, the "herringbone"-shaped structure can maintain stable support; when the present invention is recovered to land, the "herringbone"-shaped structure does not require a special bracket and can also be stably placed.

The utility model discloses a kind of belt conveyor carrier roller dismounting auxiliary devices, including the belt upper top mechanism of belt upper top;The belt upper top mechanism includes fixed support, and the both ends of fixed support are respectively hinged and installed with the side push structure of belt side push;Side push structure includes side push support, and the side push support is hinged and installed with adjusting support, and adjusting support is adjustably installed on fixed support;The outer end of the adjusting support is hinged and installed with the support top structure of push side push support;The belt upper top mechanism further includes the jacking structure for vertically jacking belt installed on fixed support. Through the mode, not only in the process of carrier roller maintenance, dismounting in the way of labor-saving, in simple, operation difficulty low way, belt is jacked up, after jacking, the posture of belt can be kept stable unchanged, to greatly improve the safety of operation, simultaneously, improve the efficiency of dismounting, maintenance carrier roller.

The utility model discloses a downhole positioning centralizer based on wedge self -locking and piece shrink structure, including the centralizer body of tubular, the one end of centralizer body is fixedly connected with the sleeve, and the other end is connected with the fastening sleeve, the inner wall of fastening sleeve is connected with the one end of locking sleeve, and the outside wall of other end is the wedge inclined plane, the one end of centralizer body connection fastening sleeve inside is the wedge inclined plane with the outside wall of locking sleeve cooperation, the edge of locking sleeve both ends respectively has a plurality of long slits staggered to the inside, and long slits are evenly distributed along the circumference of locking sleeve. Through wedge self -locking, piece shrink and material optimization, ensure that the centralizer can be closely fitted on the surface of instrument, solve the problem that the existing scheme has high falling rate, short life, complicated installation etc.

This invention belongs to the field of grinding disc manufacturing technology, specifically relating to a diamond positioning and implanted grinding disc and its manufacturing method. The grinding disc substrate undergoes a series of processes including degreasing and activation treatments, followed by basic nickel plating to form a base nickel plating layer. Then, using photolithography, a photosensitive dry film pattern with pre-drilled micro-holes is created on the surface of the nickel plating layer. Adhesive is then applied to fill the micro-holes, and diamond abrasive grains are implanted, ensuring the sharp corners remain upwards for initial fixation. Finally, the photosensitive dry film is removed, and a thicker nickel plating reinforcement treatment is performed, ensuring the diamond abrasive grains are firmly encapsulated by the nickel plating layer. This method utilizes photolithography to achieve precise positioning and uniform distribution of the diamond abrasive grains on the substrate surface, and through process control, maintains the abrasive grains in a favorable cutting posture with their sharp corners upwards, significantly enhancing the grain holding strength and effectively preventing loosening, collapse, or detachment. The resulting grinding disc exhibits superior cutting efficiency and stability.

The invention relates to a self-adaptive dynamic inverse fault-tolerant control method for a heavy carrier rocket, which comprises the following steps of: performing attitude dynamics modeling on the heavy carrier rocket, and establishing a gain fault model and an offset fault model of an actuating mechanism; simplifying the attitude dynamics model to obtain a control-oriented system model, and designing a control law under an ideal condition based on a dynamic inverse theory; a self-adaptive fault-tolerant control law is designed for the heavy carrier rocket with the gain fault and the bias fault of the executing mechanism; the stability analysis of the designed adaptive fault-tolerant control law is completed based on the Lyapunov stability theory, and the heavy carrier rocket can realize attitude-stable flight under the condition that a non-fatal fault occurs. The heavy carrier rocket fault-tolerant control method has a good improvement effect on solving the heavy carrier rocket fault-tolerant control problem, the flying safety and robustness of the heavy carrier rocket are enhanced, and the heavy carrier rocket fault-tolerant control method has a good application prospect in the aerospace field.

This invention provides a method and apparatus for adjusting the lifting stiffness of a vehicle frame, comprising: determining the remaining number of lifting steps required based on the previously executed desired lifting stiffness, maximum allowable variation capacity, and desired lifting execution stiffness; determining the remaining reference number of four-wheel synchronization steps based on the remaining lifting steps required for all wheels; determining a lifting stiffness synchronization control coefficient based on the previously executed desired lifting stiffness and desired lifting execution stiffness; determining the desired lifting stiffness to be executed at the current moment based on the lifting stiffness synchronization control coefficient, the remaining reference steps for four-wheel synchronization, the previously executed desired lifting stiffness, and the desired lifting execution stiffness; and determining that the four-wheel frame adjustment of the vehicle is complete when the currently executed desired lifting stiffness is equal to the corresponding desired lifting execution stiffness. This invention achieves the purpose of controlling the adjustment process of each wheel, making the vehicle's posture more stable.

The invention relates to a foldable cart which comprises a functional frame assembly and a bottom plate frame assembly. The functional frame assembly comprises a front functional frame and a rear functional frame; rollers are arranged on the front functional frame and the rear functional frame; the front functional frame and / or the rear functional frame are / is provided with functional parts; the bottom plate frame assembly comprises a front bottom plate frame and a rear bottom plate frame; one end of the front bottom plate frame is horizontally hinged to the front functional frame, and one end of the rear bottom plate frame is horizontally hinged to the rear functional frame; the other end of the front bottom plate frame is directly or indirectly horizontally hinged with the other end of the rear bottom plate frame, and the linkage assembly comprises a front linkage rod, a rear linkage rod and a connecting piece. According to the foldable cart, it can be ensured that the functional frame assembly is uniform in arrangement stress while it can be ensured that the foldable cart is in an unfolded state, and the overall strength of the functional frame assembly can be improved on the premise of the same consumables; and the parallel posture stability of the front bottom plate frame and the rear bottom plate frame in the folding state can be ensured.

The utility model provides a transportation hanging ring assembly which comprises a hanging ring. The hanging ring consists of a fixing part and a connecting part which form an obtuse angle; the fixing part is fixedly connected with a body of the injection molding machine through bolts; the connecting part extends away from the body of the injection molding machine and is used for connecting a rope. The fixing part and the connecting part are integrally formed to form a fixed integral structure, so that the problem caused by free swinging of a traditional lifting ring is avoided, and when the injection molding machine is fixed on a truck frame or a cargo ship body for transportation through the lifting ring, displacement of the injection molding machine caused by bumping, steering and shaking of a vehicle or a ship can be effectively prevented, and the risk of collision between the injection molding machine and a transportation carrier is reduced; equipment damage is avoided, and meanwhile potential safety hazards caused by infirm fixation are eliminated. And in the hoisting and transferring process, the hoisting ring assembly can reduce swinging of the hoisting ring, so that the posture of the injection molding machine is more stable, the operation difficulty and risk are reduced, and the safety and reliability in the hoisting process are improved.

The utility model belongs to the technical field of radiation monitoring, and particularly relates to a placing rack for a radiation dosimeter in use, which comprises a support plate, a threaded table, a lifting table, a rotating seat, a sliding rod and the like, the threaded table is fixedly connected to the top end of the support plate, the lifting table is in threaded connection to the threaded table, the rotating seat is rotatably connected to the upper portion of the lifting table, and a placing groove is formed in the rotating seat. The multiple sliding rods are distributed with the center of the rotating base as the reference and slidably connected into the rotating base. Through the design of the rotating seat, rapid placement and positioning of the radiation dosimeter body are achieved, the stability of the radiation dosimeter body in the placement process is ensured by means of the synergistic effect of a sliding rod, a first spring and an arc-shaped clamping plate, and powerful support is provided for subsequent monitoring work; the problems of inconvenience and errors caused by the fact that the radiation dosimeter needs to be manually held by hand for monitoring for a long time are effectively solved.

The present invention provides an automatic feeding and posture adjustment device for a coil spring before a load test, which belongs to the technical field of spring feeding, and includes an adjustment mechanism and a manipulator. The adjustment mechanism includes a housing, a rotating assembly and an end positioning assembly; a feeding sensor is installed below the adjustment slot; the rotating assembly includes two rotating shafts and a rotating motor; the end positioning assembly includes a vibration plate, a limit plate and a piston; a guide slot is provided on the limit plate, a limit rod that can penetrate the guide slot and limit the end is connected to the piston, and a reset spring is connected between the piston and the vibration plate. The rotating assembly of the present invention can drive the coil spring to rotate and adjust the posture of the coil spring. At the same time, the limit rod positions the end of the coil spring, so that the end position of each coil spring is consistent, which is convenient for the coil springs grasped by the manipulator to have consistent postures, and is conducive to improving the accuracy of the test.

The utility model discloses transfer conveying equipment for resin anchoring agent production, which relates to the technical field of anchoring agent production and comprises a conveying frame, a plurality of conveying wheels are rotatably mounted on the conveying frame and are divided into an upper group and a lower group, the lower group of conveying wheels are densely distributed and form a bearing conveying structure, and the lower group of conveying wheels are arranged on the conveying frame. One group of conveying wheels at the upper part is positioned at the tail end of the conveying frame and is opposite to the other group of conveying wheels at the lower part, and a gap I for clamping a resin anchoring agent finished product is formed between the upper group of conveying wheels and the lower group of conveying wheels. The conditions of overall bending, head bending, end deformation or abrasion and the like of the section body due to the fact that an arc-shaped guide groove is directly used for applying force to the head end and the tail end of the section body are avoided, adverse effects on follow-up cutting operation are avoided, meanwhile, the quality problems of easy damage, leakage and the like caused by bending deformation are avoided, and the quality of a resin anchoring agent finished product is improved.

This invention relates to the field of explosive loading device technology, specifically to an adjustable explosive loading device and method with segmented charge quantity within an orifice. The device includes a loading rack, which comprises a base plate and two side plates fixed to the base plate. Multiple explosive cartridges are arranged inside the loading rack, each containing a blasting charge. A storage rack is fixed to the bottom of each cartridge, and an air-isolating bag is fixed inside the storage rack. The air-isolating bag, when unfolded, fills the gap between two cartridges. Slider blocks are fixed to both sides of each cartridge, and these sliders are slidably connected to the side plates of the loading rack. The beneficial effect is that, through the pre-reserved slots on the side plates of the loading rack and their cooperation with the sliders, each cartridge can be independently adjusted up and down along the side plates of the loading rack, and its position is locked by inserting a hand-tightened screw into a positioning hole. This allows the spacing between adjacent charge quantities to be flexibly adjusted according to the blasting design and prevents displacement during transport and deployment, solving the problem of fixed and unadjustable segmented positions in existing technologies.

This utility model discloses a blanket printing positioning device, relating to the field of positioning device technology. It includes a frame, a transmission printing assembly, a drive assembly, and a positioning assembly. The positioning assembly includes a lower positioning platform mounted on a base plate and an upper positioning unit mounted on a support frame. The upper positioning unit includes a suspension frame, multiple sets of lateral telescopic components arranged circumferentially on the suspension frame, and upper and lower telescopic components located at the center of the suspension frame. The multiple sets of lateral telescopic components of the positioning assembly simultaneously press the action block of the four-sided pyramid structure, converting the horizontal thrust into a vertical resultant force to drive the triangular block to precisely press against the blanket's edge. Utilizing the lateral constraint and vertical friction of the triangular structure, the lateral offset and longitudinal movement of the blanket can be simultaneously restricted, significantly improving positioning stability. Simultaneously, the irregular shape of the guide rod and guide cylinder ensures the stability of the triangular block's posture.

The embodiment of the application provides a momentum wheel and a robot, the momentum wheel comprises: a wheel body for being connected with a motor, the wheel body comprises a first wheel, a connecting piece and a second wheel, the first wheel is used for connecting an output end of the motor, two ends of the connecting piece are connected with the first wheel and the second wheel respectively, and a counterweight is connected with the second wheel, the density of the counterweight is greater than the density of the wheel body, compared with a traditional momentum wheel, the momentum wheel provided by the application can greatly provide the rotational inertia of the momentum wheel, so that the angular momentum of the momentum wheel during rotation can be improved, a large angular velocity is not needed, angular momentum balance of the robot is facilitated, energy consumed during balance is reduced, the structure is simple, and the practicality is strong.

The invention relates to the technical field of evaporation equipment, and particularly discloses an alkali evaporation device capable of recycling steam, a shell is internally provided with an evaporation cavity and a liquid outlet cavity, a heat exchange tube bundle is arranged in the shell and sequentially penetrates through the evaporation cavity and the liquid outlet cavity, a driving rod is vertically arranged and can rotate, and the driving rod is provided with a spiral track and a plurality of annular tracks which are distributed up and down; a lane changing device capable of elastically twisting is arranged at the junction of the annular track and the spiral track; the top frame and the bottom frame are arranged on the driving rod in a sleeving mode and provided with matching pieces, and the matching pieces can be in sliding fit in the annular track or the spiral track. The flexible filter piece is connected with the top frame and the bottom frame, and a plurality of outward annular creases are reserved on the flexible filter piece. According to the alkali evaporation device capable of recycling steam, through folding and upward moving of the flexible filter part, comprehensive decontamination of the inner wall of the heat exchange pipe is achieved, the cleaning strength is relatively large, and the cleaning effect is improved.

This utility model discloses a backrest lock, including a base plate. A locking hook and a locking plate are movably disposed on the base plate. The end of the locking plate has a pull head for connecting and cooperating with an external car pull rod, so that when the pull rod is pulled, the locking plate swings to release the restriction on the swing of the locking hook. The inner wall of the locking hook has a positioning strip for synchronously moving along the swing trajectory of the locking hook when it swings. The inner wall of the base plate has a positioning structure that works in conjunction with the positioning strip to guide the swing trajectory of the locking hook and limit the direction of the hook's swing, and an auxiliary structure that works in conjunction with the positioning structure to limit the wobbling or loosening of the locking hook when it is subjected to vibration and to improve the smoothness of the hook's swing. This utility model solves the problems of unstable hook swing trajectory and insufficient positioning accuracy in traditional backrest locks, easy loosening or wobbling of the locking hook under vibration, and insufficient smoothness of the hook's swing leading to operational jamming.

The present invention provides a three-wheeled motorcycle, belonging to the technical field of vehicles. A three-wheeled motorcycle comprises a frame, a front suspension structure, a rear suspension structure and an adjusting device; the present invention sets an adjusting device to act on a long rod extending from the rear suspension structure, and an adjusting moving block in the adjusting device moves on the long rod under the action of a driver, a driving screw and a guide rod, so that the force arm of the long rod is adjusted by changing the distance between the adjusting moving block and the rear suspension structure, and when the force arm is reduced, the limiting strength of the long rod on the rear suspension structure can be enhanced, thereby reducing the inclination of the rear suspension structure and preventing the occurrence of safety accidents such as rollover, and when the force arm is increased, the limiting strength of the long rod on the rear suspension structure can be weakened, thereby increasing the inclination of the rear suspension structure, so that the vehicle can adapt to road conditions, effectively taking into account the operation requirements of the vehicle under both high-speed and low-speed operation states, with higher safety assurance, longer service life and more comfortable riding.

The invention provides a full-automatic lamp inspection machine for cartridge bottles, and belongs to the technical field of lamp inspection machines, the full-automatic lamp inspection machine comprises a machine body, a bottle feeding assembly for conveying cartridge bottles in a vertical state, a quality inspection assembly for detecting the cartridge bottles, and a pre-rotating assembly which is arranged on the machine body and is positioned between the bottle feeding assembly and the quality inspection assembly, the transition conveying mechanism is arranged between the pre-rotating assembly and the quality inspection assembly; the pre-rotation assembly is used for receiving the multiple clamping bottles which are conveyed by the bottle feeding assembly and are in the vertical state and driving the clamping bottles to rotate at a high speed so as to eliminate sediment and bubbles of internal medicine liquid, and the transition conveying mechanism is used for conveying the clamping bottles treated by the pre-rotation assembly to the quality inspection assembly for detection. According to the full-automatic lamp inspection machine for the cartridge bottle, sediment and bubbles of liquid medicine in the cartridge bottle can be effectively eliminated through the pre-rotating assembly, it is guaranteed that the state of the liquid medicine is uniform and stable when the quality inspection assembly conducts inspection, and the accuracy of the detection result is improved.

The invention discloses a differential speed control assembly of a dual-motor coaxial reverse propeller power device, an application method and an aircraft, and belongs to the field of aircraft power devices. The assembly comprises a double-circuit power supply controller, a power battery pack, a controller power line, a first signal line, a double-shaft tilt angle sensor, a second signal line, a horizontal electronic compass sensor, a first power line, a first motor, a second power line and a second motor. The application method comprises the steps that the horizontal electronic compass sensor and the double-shaft tilt angle sensor provide data signals for the double-circuit power supply controller, and the double-circuit power supply controller regulates and controls the rotating speed of the first motor and the rotating speed of the second motor to adjust the reaction torque so as to stabilize the attitude of the aircraft. The aircraft is an aircraft using the assembly and the application method.

The invention relates to the technical field of laser welding, and discloses automatic laser welding auxiliary equipment which comprises a workbench, a supporting column is fixedly connected to the upper surface of the workbench, a first shell is fixedly connected to the outer wall of the supporting column, and a first hydraulic machine is fixedly connected to the outer wall of the supporting column; the output end of the first hydraulic machine is fixedly connected with a first connecting shaft, the inner wall of the first shell is fixedly connected with a first sliding plate, the outer wall of the first connecting shaft is fixedly connected with a first sliding block, the outer wall of the first sliding block is fixedly connected with a first sliding frame, and the outer wall of the first sliding frame is fixedly connected with a first connecting plate. According to a preset position, a first hydraulic machine drives a first connecting shaft to move, the first connecting shaft drives a first sliding block to slide, a first sliding frame drives a first connecting plate to move, and a second shell drives a welding body to adjust the position, so that the welding body can be automatically adjusted to the preset position; and the welding precision and consistency are improved.

The utility model provides a heating and ventilation pipeline scale removing device, which relates to the technical field of removing devices and comprises a mounting pipe, a mounting groove is arranged on one side of the outer wall of the mounting pipe, a rotating shaft is movably inserted into the inner surface wall of the mounting groove, a driving motor is fixedly connected to one side of the outer wall of the rotating shaft, and a rotating column is fixedly connected to one side of the outer wall of the rotating shaft. The outer surface wall of the rotating column is movably sleeved with a first mounting ring. According to the device, under the interaction of all the components of the device, efficient cleaning treatment on scale on the inner wall of the heating and ventilation pipeline is achieved, in the operation process, an operator can flexibly adjust the height of the brush plate according to the diameter of the pipeline, it is ensured that the brush plate is tightly attached to the inner wall of the pipeline, and therefore the comprehensive and thorough cleaning effect is achieved; and the driving motor rotates at a high speed to drive the brush plate to rotate at a high speed, scale attached to the inner wall of the pipeline is effectively removed, and smoothness and heat conduction efficiency of the pipeline are recovered.

The invention relates to the field of underwater detection, in particular to a temperature-salinity-depth sensor with the controllable descending speed and an underwater data acquisition system and method.The temperature-salinity-depth sensor comprises a main control module, a speed reduction adjusting module, a floating and sinking adjusting module, a power supply module, a sensor module and a flow guide shell, and the power supply module supplies power to the main control module and the sensor module; the main control module processes information of the sensor module, the main control module is arranged at the tail end of the flow guide shell, the sensor module is arranged in the flow guide shell, the power supply module is arranged in the position, above the sensor module, of the flow guide shell, and the floating and sinking adjusting module is connected with the position, above the power supply module, of the flow guide shell. And by arranging the speed reduction adjusting module, the descending speed of the sensor in water is controllable.

The invention discloses an overturning anti-shaking device for tube panel hoisting, and relates to the technical field of hoisting auxiliary tools. The device comprises a bottom frame, two side frames and a connecting rod, the two side frames are installed on the two sides of the bottom frame, connecting assemblies are arranged on the two sides of the connecting rod, buffering assemblies are arranged outside the two side frames, and a jacking assembly is arranged at the bottom of the bottom frame; the buffer assembly comprises a rotating block, the rotating block is rotationally connected to the exterior of the fixed shaft, sliding groove plates are fixedly connected to the two sides of the rotating block, inserting rods are movably connected to the interiors of the two sliding groove plates in a sleeving mode, two baffles are fixedly connected to the exterior of each inserting rod, and two buffer springs are movably connected to the exterior of each inserting rod in a sleeving mode. The top of the inserting rod is fixedly connected with a hanging ring. Auxiliary lifting points are added through the two lifting rings, the posture can be more stable when the tube panel is lifted, vibration in the lifting process can be absorbed through the buffer springs, and therefore the stability of the tube panel can be further improved when the tube panel is lifted.