65results about How to "Guaranteed steady state" patented technology

The invention relates to the technical field of hollow part production, and discloses a metal-plastic composite car lamp frame shell integrated injection molding device which comprises an injection molding machine, a movable mold and a fixed mold are installed in the injection molding machine, an external manipulator and an external cooling module are installed outside the injection molding machine, and two fixing holes are symmetrically formed in the outer surface of the movable mold; an injection molding assembly is arranged in the injection molding machine, the injection molding assembly comprises not less than two metal pipes and not less than four extension pipes, and in the cooling process, the metal pipes are cooled from inside to outside based on the physical characteristics of the metal pipes; by means of the cooling mode, the middle of the molding material is cooled and shrunk firstly, the situation that the outer layer is solidified firstly due to the fact that cooling is conducted from the outside to the inside of the cavity traditionally is changed, when the internal material is cooled and shrunk, limitation of the solidified outer layer material is avoided, and therefore the problem that cavities are generated due to inconsistent shrinkage is effectively prevented.

The invention discloses a cleaning device and method for permanent magnet synchronous servo motor stator processing, and relates to the technical field of stator cleaning, the cleaning device comprises a cleaning device, the cleaning device is provided with a cleaning tank, the cleaning tank is internally provided with a cleaning box, the cleaning box is internally and fixedly connected with a placing plate, and the cleaning device further comprises a plurality of placing rings for placing stators, the multiple placement rings are arranged at the top of the placement plate, multiple first racks are fixedly connected to the bottoms of the placement rings, the multiple first racks penetrate through the placement plate and are slidably connected with the placement plate, and elastic parts are arranged between the multiple first racks and the placement plate; the outer cleaning mechanism cleans the outer side of the stator, then the lifting piece drives the inner cleaning mechanism to clean the inner side of the stator, synchronous cleaning is achieved through cleaning liquid in the cleaning tank, and the outer cleaning mechanism and the inner cleaning mechanism are matched with the cleaning liquid in the cleaning tank, so that the cleaning effect on the stator is improved.

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 invention discloses a bar fixed-length shearing device which comprises a mounting frame, a conveying mechanism, a cutting mechanism, a clamping mechanism and a discharging mechanism, the conveying mechanism is arranged at the top of the mounting frame and connected with the mounting frame, the cutting mechanism is arranged on one side of the top of the mounting frame and connected with the mounting frame, and the clamping mechanism is arranged on the other side of the mounting frame. The cutting mechanism comprises a rotating shaft, a mounting seat, a cutting motor, a cutting piece, a first belt wheel, a second belt wheel and a first belt, the cutting motor is fixedly mounted on the mounting frame, the first belt wheel is connected with an output shaft of the cutting motor, the rotating shaft is rotatably mounted at the top of the mounting frame through the mounting seat, and the cutting piece is arranged on the outer side of the mounting frame; the number of the cutting pieces is two. By adjusting the distance between the cutting pieces on the two sides of the center line of the rotating shaft, fixed-length bars with different lengths can be cut, the continuity is good, and the production efficiency and the production quality are greatly improved.

The invention discloses a lithium battery aluminum shell size detecting and positioning device and method, belongs to the technical field of lithium battery accessory production, and aims to solve the problems that an existing detecting device is single in function and low in efficiency due to the fact that clamping needs to be conducted for multiple times, and an aluminum shell is prone to deformation. Four groups of clamping parts are symmetrically arranged on the support frame, and a bidirectional screw is used for driving a first clamping plate and a second clamping plate to synchronously clamp an aluminum shell from the inner side and the outer side, so that stable positioning is realized; the internal measuring part drives a distance sensor to rotate through a stepping motor and cooperates with an electric push rod to complete inner cavity size measurement. The external measuring part adopts a similar structure to realize outer wall dimension detection, the support frame is driven by the driving motor to lift, internal and external dimension continuous measurement under one-time clamping is realized, the device reduces positioning errors, avoids aluminum shell deformation, improves detection precision and efficiency, and is suitable for lithium battery aluminum shell production quality control.

The invention relates to the technical field of automobile manufacturing, and discloses an automobile production chassis multi-angle welding device which comprises a welding base, a driving gear shaft and a cleaning assembly arranged in the welding base. The cleaning assembly comprises a first toothed bar, a first sliding table, a bevel sliding groove and convex teeth. The first toothed bar is slidably connected to the interior of the welding base and engaged with the driving gear shaft. The rolling brush can conduct rolling sweeping on the upper surface of the welding base in the rotating process, so that disintegrating slag on the upper surface of the welding base is pushed into the guide groove under pushing of rolling of the rolling brush, the disintegrating slag on the welding base is cleaned, and the welding base is in a clean state when the frame is placed on the welding base; and the convex points on the bevel plate can clean the surface of the rolling brush, so that disintegrating slag on the upper surface of the welding base is cleaned, the rolling brush is self-cleaned, and the problem that workers need to clean the rolling brush repeatedly during welding is solved.

The utility model discloses a water conservancy project flood prevention device, and relates to the technical field of flood prevention devices, the water conservancy project flood prevention device comprises a flood prevention assembly, the flood prevention assembly is composed of an L-shaped water retaining seat and a front end extension plate, the interior of the L-shaped water retaining seat is of a cavity structure, and the top of the L-shaped water retaining seat is open; when an L-shaped baffle structure composed of the L-shaped water retaining base and the front end extending plate is placed on the ground, an inner cavity of the L-shaped water retaining base is filled with water through an opening in the top of the L-shaped water retaining base, and the pressing force between the bottom of the L-shaped water retaining base and the ground and between the bottom of the front end extending plate and the ground is increased. According to the flood prevention assembly, the L-shaped water retaining base of the cavity structure is arranged, water is filled into the inner cavity of the L-shaped water retaining base when the stability is weak due to small water flow, and therefore the pressing force between the L-shaped water retaining base and the ground and the pressing force between the front end extending plate and the ground can be increased, and the flood prevention assembly can keep a stable state under the condition that the water flow is small.

This utility model discloses a steel pipe feeding device for steel pipe processing, including a base plate. A fixing component is provided on the top of the base plate, and an auxiliary component is provided on the bottom of the base plate. The fixing component includes a fixing plate and multiple support frames. Each support frame consists of a horizontal plate and three vertical rods (front, middle, and rear). Steel pipes are stacked between adjacent support frames. Multiple slots are opened inside the fixing plate. The vertical rods in the middle of the support frames are respectively inserted into the corresponding slots. The fixing plate is located above the uppermost steel pipe. This utility model relates to the field of steel pipe processing technology. The steel pipe feeding device for steel pipe processing directly adheres to the uppermost steel pipe through the anti-slip rubber extrusion block at the bottom of the fixing plate. With the pressure adjustment of the nut and the first screw, a stable downward pressure can be applied to the steel pipe. The deformation characteristics of the anti-slip rubber enhance the fit and prevent slippage, while avoiding rigid compression damage to the surface of the steel pipe, thus achieving both fixing effect and protection function.

The utility model discloses an air conditioner temperature and humidity controller, which relates to the technical field of air conditioner control equipment and comprises an obliquely arranged temperature and humidity controller, an accommodating frame is arranged on the outer side of the temperature and humidity controller, the accommodating frame is of an inverted isosceles trapezoid structure, and the temperature and humidity controller is attached to the inner wall of the bevel edge of the accommodating frame. A movable pressing plate is arranged on the back face of the temperature and humidity controller, a pair of limiting rings are fixedly connected to the surface of the pressing plate, a pair of intercepting rings are embedded in the surface of the containing frame, guide rods extending to the inner sides of the limiting rings are in threaded connection to the intercepting rings, the intercepting rings and the guide rods are distributed in an inclined state, and positioning rings are fixed to the outer surfaces of the guide rods. The positioning ring and the limiting ring are connected through an adjustable pressure structure. According to the utility model, the stable state of the temperature and humidity controller on the inner side of the accommodating frame is guaranteed, and the stability and safety of the temperature and humidity controller in a long-term working state are further guaranteed.

The utility model belongs to geological prospecting technical field, and disclose a hole depth measuring device for geological exploration, including support frame and install the paying -off mechanism of support frame surface and install the detecting member of paying -off mechanism one end, the surface of support frame is equipped with accurate reading assembly, accurate reading assembly includes the guide roller of symmetry rotation connection support frame surface and the abutment plate of symmetry clamping in the through slot of detecting member surface and is used for driving screw rod, driving disc, hinged seat, push -pull board, limiting plate, the surface of abutment plate is equipped with auxiliary stabilizing component, the utility model has can straighten the processing to measuring rope, avoid measuring rope to occur folding, accumulation etc. in the hole, make the actual length below measuring rope and hole depth are different, cause the deviation of survey data, improve the precision of hole depth data measurement, improve the advantages such as geological exploration work efficiency and data reliability.

The utility model discloses mine ventilation and gas safety monitoring equipment, which belongs to the technical field of monitoring equipment and comprises a positioning plate, a plurality of mounting grooves arranged on the outer wall of the positioning plate, a mounting mechanism arranged on the positioning plate, a monitoring mechanism arranged on the mounting mechanism, and a positioning mechanism comprising a plurality of threaded adjusting pipes. Each threaded adjusting pipe movably penetrates through the outer wall of the positioning plate, the positioning plate is used for being fixed to the inner wall of a mine, the mounting mechanism is arranged on the positioning plate and used for mounting and dismounting the monitoring mechanism, and when the positioning plate is mounted, the using length of the threaded adjusting pipes is adjusted according to the situation of the inner wall of the mine; the use length of the threaded adjusting pipe is matched with the distance between the positioning plate and the mine wall, it is conveniently guaranteed that the positioning plate is in a stable state, the adjusted threaded adjusting pipe is conveniently fixed to the positioning plate through the two positioning nuts, the positioning plate is conveniently installed on the inner wall of the mine through the positioning bolts, and the use stability of the monitoring mechanism is improved.

The invention discloses an elevator system and a control method and device thereof and a computer storage medium, the elevator system comprises a shaft, one or more elevator cars and a supporting structure, the supporting structure comprises telescopic devices arranged at the bottoms of the elevator cars and supporting pieces arranged at different heights of the inner wall of the shaft, when the elevator car reaches the leveling position, the extension part of the telescopic device at the bottom of the elevator car can stretch out in the well wall direction, and the extension part stretching out to the supporting position can be supported on the supporting piece at the corresponding position. In response to the received weight loading outbound elevator request, the target elevator car is operated to a first target floor corresponding to the weight loading outbound elevator request; under the condition that the vehicle runs to the first target floor, an extension part of a telescopic device at the bottom is controlled to extend out; and under the condition that it is determined that the stretching part stretches out to the supporting position, the car door is controlled to be opened for heavy object loading. According to the embodiment, the stable state of the elevator car in the heavy object loading process can be maintained, and the operation reliability of an elevator system is improved.

The utility model provides an intelligent robot emergency stop circuit, including power supply, emergency stop trigger source module is used for triggering emergency stop signal, emergency stop trigger source module includes at least one emergency stop button and at least one anti -collision strip sensor interface, and emergency stop button, anti -collision strip sensor interface are connected with power supply, a plurality of signal processing modules, and each signal processing module includes first photoelectric coupler, and the input of first photoelectric coupler is connected with emergency stop button or anti -collision strip sensor interface, and the output is connected with MCU, self -locking control module respectively, self -locking control module includes self -locking circuit, and the input of self -locking circuit is connected with a plurality of signal processing modules respectively, and the output is connected with motor control module, and motor control module is used for receiving the emergency stop signal of handled and control motor stop movement, the utility model has realized the effective integration to multiple emergency stop signal source, and its self -locking function can maintain the emergency stop state automatically after triggering.

The invention relates to the technical field of preparation of cleansing products, in particular to a formula and a preparation method of skin-refreshing cleansing oil, and the skin-refreshing cleansing oil is characterized in that fatty acid ester components and polyoxyethylene ether surfactants in a system are balanced by adjusting the proportion of cetyl alcohol ethyl hexanoate to PEG-8 diisostearate; after the proportion is adjusted, the dosage of sorbitol polyether-30 tetraoleate is increased to 7%, and the strength of an interfacial film is improved; and tocopherol is added as an antioxidant substance, so that the risk of emulsification collapse caused by oxidation stability is reduced. According to the skin-refreshing cleansing oil formula and the preparation method, the strength of an interfacial film is enhanced by increasing the dosage of sorbitol polyether-30 tetraoleate, oxidation is inhibited by adding tocopherol, the content of squalane is dynamically adjusted by combining the proportion of polar / non-polar components, emulsification collapse and layering are effectively avoided, and it is ensured that the product is kept in a stable state in the storage and use process.

An electric reset bouncing type door opener comprises a bottom shell and a face cover, a mounting area is formed between the bottom shell and the face cover in a hollowed-out mode, and the front end of the mounting area penetrates through the bottom shell and the face cover to form a receding groove. A swing arm is installed in the installation area in a hinged mode, and the swing arm pops up from the receding groove to push the cabinet door to be opened. An elastic device is mounted in the mounting area; an electric mechanism is further installed in the installation area and connected with the swing arm, and the electric mechanism pushes the swing arm to retract and reset towards the installation area. A circulating lock groove is further formed in the swing arm, a circulating lock hook is installed in the installation area, and the circulating lock hook and the circulating lock groove are hooked or separated, so that locking and releasing of the swing arm are achieved. The rebounding device has the beneficial effects that by designing the electric mechanism and the swing arm gear transmission mechanism, the swing arm can automatically pop out of the cabinet door under the action of the elastic device, the electric mechanism can realize retraction and resetting of the swing arm, and resetting of the rebounding device can be completed without additionally pressing the cabinet door when a user closes the cabinet door.

The utility model relates to an air conditioner return air plenum chamber mounting and fixing structure, which comprises a plurality of groups of external fixing components which are supported on the outer side of an air conditioner return air plenum chamber at intervals along the length direction of the air conditioner return air plenum chamber and are used for hoisting the air conditioner return air plenum chamber on a concrete structure layer; the internal fixing assembly is supported on the inner side of the air conditioner return air plenum chamber and fixes a sound absorbing material on the inner side of the air conditioner return air plenum chamber; the internal fixing assembly comprises angle steel supported on the inner walls of the air conditioner air return plenum chamber at intervals in the length direction of the air conditioner air return plenum chamber and rivets for fixing the angle steel. According to the scheme, the air conditioner air return plenum chamber is installed and fixed from the interior and the exterior of the air conditioner air return plenum chamber at the same time, it is guaranteed that the air conditioner air return plenum chamber is stably arranged on the top of a floor, and meanwhile the stable state and the suction effect of sound absorption materials in the air conditioner air return plenum chamber are guaranteed; it is guaranteed that the air conditioner air return plenum chamber cannot leak air, and the air return mute effect of the air conditioner air return plenum chamber is effectively improved.

This invention discloses a screw-fastening device and method for air compressor housings, including a frame, a conveyor line arranged along the X-axis on the frame, several fixtures conveyed along the conveyor line, and a first screw-fastening mechanism and a second screw-fastening mechanism arranged on the frame for fastening screws. Advantages: By using the first and second screw-fastening mechanisms to fasten screws to different screw holes on the same housing sequentially, compared to using only one screw-fastening mechanism, the time each product spends in the first and second screw-fastening mechanisms is shorter, thus improving efficiency.

The present application belongs to the technical field of vehicle platoon control, and discloses a data-driven vehicle platoon fault-tolerant tracking performance recovery control method and system. The method introduces a preset performance function into the output of the vehicle platoon system, converts the complex time-varying inequality constraint problem into a simple variable boundedness problem, and then completes the design of the model-free adaptive controller of the vehicle platoon system under normal conditions by designing a pseudo partial derivative estimator and an observer. Then, the present application introduces an attack exponential function on the basis of the model-free adaptive controller under normal conditions, and designs a model-free adaptive controller based on an attack compensation mechanism. At the same time, for the actuator fault delay replacement problem, the present application introduces a shift function into the tracking error, and designs a reconfigurable fault-tolerant model-free adaptive controller based on the shift function. After the vehicle platoon experiences actuator faults and delay replacement, the tracking error can re-converge to the preset performance boundary within the specified recovery time.

The invention relates to the technical field of oil well punching, in particular to a sand blasting perforator for well wall punching. According to the sand blasting perforator, the structure comprising the jet pipe and the expansion clamping part is designed, so that circumferential positioning and clamping of the jet pipe at an oil well perforating working position are achieved. And the expansion clamping part can be automatically butted, communicated and propped against the well wall under the action of gravity by utilizing the ingenious combination of two flow guide pipes and a plurality of hinge double connecting rods, so that the jet pipe is effectively prevented from shaking due to counter-acting force, and the punching precision and the working efficiency are greatly improved.

The invention relates to the technical field of tool changing mechanisms, in particular to a tool changing mechanism capable of preventing side inclination during tool loosening and a control method thereof.The tool changing mechanism comprises a tool changing arm assembly, a first power assembly used for supporting and driving the tool changing arm assembly to rotate and a second power assembly used for loosening the tool of the tool changing arm assembly; the tool changing arm assembly comprises a tool apron, a flange plate, two tool claw sets and a tool loosening structure, the flange plate is arranged at the rear end of the tool apron, the two tool claw sets are arranged at the front end of the tool apron, the tool loosening structure corresponds to the tool claw sets and comprises a sleeve, a locking shaft and an elastic piece, and the elastic piece enables the locking shaft to penetrate through the tool apron to lock tools of the tool claw sets. And the second power assembly reversely pulls the locking shaft to move so as to loosen the cutter. Through the arrangement of the tool apron, the flange plate and the tool loosening structure, the stability of the overall structure of the tool changing arm is enhanced, the anti-roll capacity is improved, the tool loosening mode that the second power assembly pulls the locking shaft is utilized, it is ensured that the tool changing arm loosens the tool stably, and the tool collision risk caused by roll is effectively reduced.

The utility model discloses a waterproof pressure sensor and territorial soil detection equipment, and belongs to the technical field of soil detection. Aiming at the problem that the detection depth and the detection force of the existing handheld soil hardness meter are limited, the equipment realizes automatic pressure application through a mechanical transmission structure. The waterproof pressure sensor comprises an installation cover, a waterproof pressure sensor body, a supporting ring, a threaded cover, a pressing plate and a replaceable pressing disc, the pressing disc is connected with the threaded cover through a connecting screw rod, and three specifications of 10 CM / 15 CM / 20 CM are provided to adjust the pressure intensity. The matched detection equipment is composed of a movable base, a balance weight mechanism, a supporting frame, a movable plate, a movable rod and a power mechanism, the balance weight mechanism is fixed by stacking balance weight plates and adopting a positioning frame, the power mechanism adopts a motor to drive a gear to drive a threaded pipe to move along a supporting screw rod, and vertical pressing of a pressing disc is achieved. According to the equipment, manual operation is replaced by standardized mechanical force application, the pressing force can be accurately controlled, and soil hardness data can be obtained by matching with a waterproof pressure sensor.

The utility model relates to the technical field of crutches, and discloses a multifunctional crutch which comprises a folding main body and a folding shell, the folding shell is detachably installed on the outer side of the folding main body in the folding state in the unfolded state, and the folding shell is detachably installed on the folding main body in the unfolded state in the folded state. Bottom wheels are arranged on one side of the bottom of the folding shell. The folding main body comprises a left side supporting structure, a right side supporting structure and a folding plate, the folding plate is arranged between the left side supporting structure and the right side supporting structure, the left side supporting structure and the right side supporting structure each comprise a long supporting rod and a short supporting rod, and the short supporting rods are rotationally connected with the long supporting rods; the folding plate comprises a plurality of connecting plates which are rotationally connected, and the rotating axis of the short supporting rod and the rotating axis of the long supporting rod are perpendicular to the rotating axis of the connecting plates; the multifunctional walking stick solves the problem that an existing walking stick is not comprehensive in function.

The invention discloses a movable transformer performance detection device and a transformer detection method, and relates to the technical field of transformer detection. According to the movable transformer performance detection device and the transformer detection method, a detection bin is included, a lifting mechanism is arranged at the front end of the detection bin, a lower base serves as a main body of the detection bin, and a driving object feeding rod and a driven object feeding rod are arranged at the front end and the rear end in the lower base correspondingly; the two ends of the driving feeding rod and the two ends of the driven feeding rod are matched with kidney-shaped holes in the left end and the right end of the interior of the lower base, driving synchronous wheels are connected to the two sides of the driving feeding rod, driven synchronous wheels are connected to the two sides of the driven feeding rod, and synchronous conveying belts are connected between the driven synchronous wheels and the driving synchronous wheels. A supporting plate is arranged on the lower portion of the interior of the lower base, the upper end of the supporting plate is connected with a four-column guide frame, the upper end of the four-column guide frame is connected with a stabilizing plate, and the interior of the four-column guide frame is connected with a moving plate.

The utility model provides a kind of micro loudspeaker module, belong to loudspeaker module technical field. Including shell, further include: buffer component, buffer component is placed in the inside of shell, buffer component includes the protective shell being set in the inside of shell, the inside of protective shell is provided with circuit board, the end of the inside of shell close to circuit board is provided with spring piece, spring piece is annular array distribution on shell;Fixed component, fixed component is placed in the inside of shell and is used to fix spring piece, fixed component includes being connected in the inside of shell close to support, the side of support close to spring piece is provided with clamping groove, spring piece is clamped with support by clamping groove;By setting buffer component, protective shell outside and annular arrangement spring piece on shell contact, when protective shell is impacted by force and generates displacement in shell and extrudes spring piece, spring piece is buffered by the deformation of itself, to protect circuit board, avoid its damage due to excessive impact force, help to improve the stability of micro loudspeaker module when using.

The utility model discloses a low-carbon energy-saving assembly type door and window, and relates to the field of assembly type doors and windows. The low-carbon energy-saving assembly type door and window comprises an outer frame, an inner frame rotationally connected to the surface of the outer frame, mounting holes symmetrically formed in the surface of the inner frame and a handle fixedly connected to the lower end of the surface of the inner frame, a solar panel is mounted at the upper end of the surface of the inner frame through a torsion spring, and arc-shaped plates are rotationally connected to the hole walls of the mounting holes. First gears are connected to one ends of the arc-shaped plates in a meshed mode, the two first gears are rotationally connected with the inner frame, and second gears are fixedly connected to the surfaces of the first gears; the solar panel can absorb solar energy and utilize solar energy while light blocking is achieved, the energy-saving effect of the door and window is improved, the surface frame of the solar panel is attracted through the first magnet, the stable state of the solar panel after adjustment can be guaranteed, and therefore the influence on lighting can be avoided.

The utility model relates to the technical field of transportation anti-falling, and discloses a road cargo transportation anti-falling mechanism which comprises a side plate, the lower side of the right end of the side plate is fixedly connected with a fixed seat, the right end of the side plate is provided with a movable clamping plate, and the upper end in the side plate is rotationally connected with a first electric telescopic rod through a bearing seat. The output shaft end of the first electric telescopic rod is rotationally connected with the upper end of the movable clamping plate through a bearing seat; and the buffer fixing mechanism is arranged in the fixed seat and the movable clamping plate. The movable clamping plate is driven to move through the telescopic action of the first electric telescopic rod, so that the position between the movable clamping plate and the fixed seat is adjusted, goods are clamped and fixed, a second electric telescopic rod in the distance adjusting mechanism can drive the movable mounting frame to slide along the fixed mounting frame, and the space adjusting mechanism is arranged on the movable mounting frame. And the distance between the movable mounting frame and the fixed mounting frame is adjusted so as to adapt to goods with different lengths, and it is ensured that the goods are always kept in a stable state in the transportation process.

This invention provides a fully free-degree-of-freedom motor-driven joint, relating to the field of underwater robot technology. It includes an upper robotic arm and a lower robotic arm, which are interconnected by a drive mechanism. The drive mechanism controls the angle adjustment of the upper robotic arm. In this invention, a motor drives a first rotating shaft to rotate, which in turn drives a movable block and the upper robotic arm to rotate through the engagement of a second positioning block and a second positioning groove, and a first gear and a second gear. This achieves fully free-degree-of-freedom rotation of the upper robotic arm through a single drive joint, reducing the overall size and weight of the underwater robot while improving its overall flexibility.

The utility model relates to the technical field of monitoring systems, and discloses pipeline surrounding environment monitoring equipment which comprises a base. According to the pipeline surrounding environment monitoring equipment, through the arrangement of a solar mechanism, a photovoltaic panel, a driving mechanism and a light gathering plate, during solar power generation, the photovoltaic panel at the top of a placement plate absorbs external sunlight, and solar energy is converted into usable electric energy through a bidirectional inverter on one side to be stored in a storage battery; in addition, a light gathering plate is arranged on one side of the photovoltaic panel, a hydraulic rod on the back of the light gathering plate is started, the hydraulic rod stretches out and draws back to drive the light gathering plate on one side to conduct angle adjustment, and after the light gathering plate rotates to a proper angle, the light gathering plate reflects sunlight to the photovoltaic panel on one side; the photovoltaic panel can be helped to absorb more solar energy, even under the condition of weak illumination, the photovoltaic panel can absorb light energy more effectively, and therefore electric power needed by pipeline surrounding environment monitoring equipment is provided.

The utility model relates to the technical field of towel processing, and discloses a tension-adjustable yarn guiding device which comprises a guiding mechanism, two fixing mechanisms and a positioning mechanism, the guiding mechanism comprises a bottom plate, two first supporting plates, two second supporting plates, two motors, two first conveying rollers and two second conveying rollers, lifting plates are slidably arranged on the upper end faces of the two first supporting plates and the two second supporting plates in a penetrating mode, belts are arranged between one sides of the outer end faces of the two first conveying rollers and one sides of the outer end faces of the two second conveying rollers, and the two fixing mechanisms comprise two H-shaped plates, two L-shaped plates and two inclined plates. According to the yarn guiding device, by arranging the positioning mechanism and the guiding mechanism, the tension of the yarn can be controlled, it is ensured that the yarn is in a stable state in the production process, the device can guide the yarn of different sizes by changing the distance between the conveying rollers and the model of the positioning plate, and the practicability of the device is improved.

The present invention relates to the technical field of handling robots, and discloses an automatic handling robot for a smart construction site, including a supporting unit, a material receiving and locking unit, and a lifting unit. The present invention drives the screw shaft to rotate by a driving motor, and the screw sleeve on the screw shaft slides synchronously, at which time the screw sleeve can drive the guide sleeve and the bending slide groove to change their positions, and then the bottom push rod moves downward, and the push rod can move the material receiving plate equipped with pipe fittings downward, so that the two ends of the pipe fittings are respectively located on both sides of the guide plate, ensuring that the pipe fittings will not slide off the robot, and the center of gravity of the entire equipment is lowered, increasing stability, when it moves to the lowest point, the pressure arm and the bottom are squeezed, and then the pressure arm rotates, and the pressure arm drives the folding frame to rotate and flip inward, and the pressure roller at this time can squeeze the pipe fittings and fix the pipe fittings, so that the pipe fittings are more stable during transportation, wherein the lifting and locking of the present invention are both realized by mechanical structures, and the reliability is stronger.