17results about How to "Reliable fixing method" patented technology

The utility model relates to the technical field of mechanical engineering, and discloses an anti-stretching auxiliary device for replacing pipeline components, which comprises two rigid supports, upper screw rods are slidably mounted on two sides of the interiors of the two rigid supports, and two ends of each upper screw rod penetrate through the interiors of the two rigid supports. A part penetrates through the upper hoop and the lower hoop on the two sides, the lower hoop is attached to the part, the nut is rotated to achieve reverse self-locking, the fixing mode is quite reliable, the part can be prevented from loosening, the upper hoop and the lower hoop surround and clamp a pipeline, the expansion amount caused by thermal expansion and cold contraction can be effectively reduced, the stability of a pipeline system is guaranteed, and the pipeline is prevented from being damaged. And finally, the whole replacement process is convenient, efficient, time-saving and labor-saving, the working efficiency can be improved, the labor cost can be reduced, the labor intensity can be reduced, the quality and speed of pipeline maintenance work can be improved, and the service life of the pipeline can be prolonged.

The utility model provides a kind of winding equipment for protective film production, comprising: pedestal, pedestal upper end is sequentially provided with film pressing roller group, spraying assembly, blowing assembly and tension keeping assembly from left to right, and the right end of pedestal is provided with winding roller assembly.The kind of winding equipment for protective film production, by being provided with spraying assembly, can be made to make protective film even spray on spray and avoid the liquid after a large amount of mist cooling on pedestal, by being provided with tension keeping assembly, can be made to keep the effect of protective film tension.

This utility model discloses a cooling water pipeline structure, belonging to the field of chemical technology. It includes an electric furnace body, with a cooling water pipe wound around its outer surface. An outlet pipe is located at the lower side of the cooling water pipe, and an inlet pipe is located at the upper side of the cooling water pipe. An external pipe connection and fixing mechanism is provided at the other end of both the inlet and outlet pipes. This utility model achieves rapid connection and fixing of the external pipe and the cooling water pipe through this external pipe connection and fixing mechanism. Its unique plug and slot design, combined with the locking mechanism of the inclined plug and spring, allows the external pipe to be quickly installed without complex tools and cumbersome steps, greatly saving installation time and labor costs. At the same time, this fixing method is firm and reliable, effectively avoiding cooling water leakage caused by unstable pipe connections and ensuring the stable operation of the cooling system.

The invention relates to the technical field of photovoltaic equipment, and discloses an installation cleaning device and a photovoltaic robot, and the installation cleaning device comprises a control assembly which comprises a control arm and a control structure, and the control arm is provided with a connecting structure arranged on a movable arm; the transfer assembly is provided with a first quick-change structure and a fixing structure; the cleaning assembly is arranged on one side of the control assembly and provided with a second quick-change structure and a cleaning structure, the control arm is connected with the first quick-change structure of the transfer assembly through the connecting structure of the control arm, carrying operation can be carried out, and when the photovoltaic module needs to be cleaned, the control arm separates the connecting structure of the control arm from the first quick-change structure; the carrying function and the cleaning function can be efficiently achieved at the same time through one device, and compared with worker operation, the photovoltaic module carrying device has the advantages of being high in operation efficiency and automation degree, capable of reducing the damage rate of photovoltaic modules and the like.

The utility model discloses a kind of quick-mounting screen setting grinder, including grinder body and quick-mounting screen, quick-mounting screen is introduced from the side end installation of grinder body, the bottom position of grinder body side end is provided with screen pressing handle, grinder body side end top is equipped with screen positioning plate and fastener is connected on screen positioning plate, locking block is fixedly installed on the bottom net body of quick-mounting screen, fixed aperture is set on the upper end net body of quick-mounting screen. Through the above mode, the utility model can efficiently replace screen, the bottom of grinder body is increased screen pressing handle, quick-mounting screen is provided with fixed aperture and locking block, when screen is installed, quick-mounting screen is slid to bottom along screen pressing handle, after screen pressing handle is pressed down, front part is lifted and hits locking block, then quick-mounting screen is pulled to the screen positioning plate of equipment, quick-mounting screen can be fastened using screw, both ends of screen are firmly fixed by the above ingenious design, and the fixing mode is quick and simple, firm and reliable.

The utility model discloses a high-power multi-tab pole-free water-based lithium battery, which comprises an outer shell, a metal shell, a positive electrode, a negative electrode, a positive electrode interface and a negative electrode interface, the positive electrode and the negative electrode are welded on the shell, the positive electrode is connected with the positive electrode interface, and the negative electrode is connected with the negative electrode interface; the battery structure is changed into an integrated non-diaphragm arrangement, so that electrolyte, namely liquid, can be in indirect contact with the metal shell effectively, the heat dissipation efficiency can be effectively improved after the arrangement, and a further monitoring temperature generation zone can be easily monitored and analyzed; and a multi-tab effect can be formed by connecting the negative electrode with the shell, so that the assembly and arrangement mode is simpler.

The utility model discloses a detachable battery's scooter, detachable battery's scooter includes frame pipe, battery, front fixed seat, battery lock, rear fixed seat and terminal, frame pipe hollow setting and top are equipped with the strip gap and form the cover pipe of missing, and battery is detachably placed into the cover pipe of missing, and the both sides of battery are restricted by frame pipe pipe body, the top of battery is flush with the top of cover pipe of missing and no longer sets up frame pipe cover plate, and the front fixed seat is fixedly arranged in the inside of frame pipe front end, is used for with battery front end joint, is provided with battery lock on front fixed seat, and the key hole of battery lock is located frame pipe side, and the lock tongue of battery lock is inserted with battery front end and is limited to go up and down activity, and the rear fixed seat is fixedly arranged in the inside of frame pipe rear end, is used for with battery rear end joint, and is provided with terminal on rear fixed seat, and battery rear end is connected with terminal and supplies power. The utility model has the advantages of convenient battery dismounting, reliable fixation, coordinated modeling, simplified structure etc.

The utility model discloses an antioxidant filtrate impurity adsorption device, which relates to the technical field of chemical engineering and comprises a shell and a filter element, an end cover is arranged on the upper surface of the shell, a connecting cover is rotatably connected to the annular side surface of the end cover, and a fixing block is arranged on the annular side surface of the connecting cover. Limiting of the connecting cover and the shell is opened by rotating the screw upwards, the connecting cover can rotate at the moment, the connecting cover is rotated upwards to drive the connected end cover to move together, the connecting cover and the end cover can be disassembled at the moment, the filter element fixed between the shell and the end cover is extruded to be replaced, and the filter element convenient to replace can greatly shorten the maintenance time; according to the utility model, the stop time of the device is reduced, and a more reliable fixing mode is provided by double limiting, so that the filter element can bear higher pressure and water flow impact in the filtering process and is not easy to displace or shake, and the overall reliability is improved.

The utility model discloses a range hood with a semi-sunken controller box. The range hood comprises a shell, a volute fan arranged in the shell and the controller box arranged on the shell, the shell comprises a cylindrical body, a top plate arranged at the upper part of the cylindrical body and a bottom plate arranged at the lower part of the cylindrical body, a mounting hole is further formed in the top plate, the controller box is arranged in the mounting hole in a penetrating manner, the upper half part of the controller box is positioned above the mounting hole, and the lower half part of the controller box is positioned below the mounting hole. Compared with the prior art, the range hood with the semi-sunken controller box provided by the utility model has the advantages that the middle part of the controller box is connected with the mounting hole, so that the range hood is firmer compared with a fixing mode that only the bottom of the lower cover is connected with the top plate in the prior art; meanwhile, the sunken lower half part of the controller box can fill a part of space between the volute part of the volute fan and the top plate, and the situation that a gap between the volute part of the volute fan and the top plate is too large, consequently, airflow turbulence is caused, and starting noise is generated is avoided.

This utility model discloses an integrated vacuum drying and nitrogen protection chamber for isoleucine derivatives, comprising: a vacuum nitrogen-filled drying chamber; a sealed door hinged to one side of the front of the chamber; a base plate fixedly connected to the bottom of the inner wall of the chamber; two side plates movably mounted on the top of the base plate; sliding guide rails fixedly connected to the side walls of the side plates; a tray placed between the two sliding guide rails; and two through holes on one side wall of the tray. A spring connects the inner wall of the through holes to the inner wall of the vacuum nitrogen-filled drying chamber. This utility model, through the cooperation of the springs and sliding guide rails, allows the tray to be partially removed from the chamber when the sealed door is opened, significantly expanding the loading and unloading space. Operators no longer need to adjust the tray within the confined space, effectively preventing isoleucine derivative powder or particles from spilling due to operational constraints. It also reduces cleaning difficulties and the risk of cross-contamination caused by material residue in the chamber's crevices.

The utility model discloses a new material cutting device for weaving, including processing box and its top cover, is equipped with cutting assembly and pressing mechanism in the inside. Cutting assembly moves through telescopic air rod drive top board, and the top board adopts the structure of inserting and fitting with the knife holder clamping strip, and realizes the quick clamping of blade main part with the cooperation of extruding plate, bending rod, connecting rod and cam mechanism. The pressing mechanism contains counterweight pressure plate and spring buffer structure, and can stably press the material before cutting. The device has the following advantages: pneumatic drive and multiple limiting structure are adopted to ensure cutting accuracy; the blade mounting mechanism realizes bidirectional fixation through cam locking and rubber gasket deformation, reducing work shaking; the design of the pressing mechanism that contacts first and then pressurizes ensures reliable material positioning; the overall structure is convenient for blade replacement and maintenance. The utility model solves the problems of inconvenient installation of traditional cutting device and tool easy to loosen.

The utility model discloses vertical layered kitchen waste treatment equipment with a sub-knife detachable structure, which comprises a vertical shell, a convex structure cavity is arranged in the vertical shell, the convex structure cavity comprises a first chamber and a second chamber which are different in diameter, grid holes are arranged between an annular cavity and the first chamber, and a communication section is arranged between the annular bottom surface and the second chamber; a rotatable impeller is installed in the machine shell and divides a cavity through an upper disc face, and a clamping hole is formed in the center of the upper disc face. The power source drives the impeller, and the flow guide pipe communicates with the second cavity. The blade assembly is vertically clamped and connected to the clamping holes through screws, the blade assembly is composed of a main cutter wheel and at least one detachable auxiliary cutter wheel, and the auxiliary cutter wheel can be provided with one or more auxiliary cutter wheels which are sequentially spliced and then fixed to the main cutter wheel. Through layered treatment and detachable cutter design, efficient crushing and convenient maintenance are achieved, and the kitchen garbage treatment equipment is suitable for treatment of different types of kitchen garbage.

The present application relates to the technical field of medical devices, in particular to an adjustable flexible bone-to-bone fixation device and an implanting mechanism, the adjustable flexible bone-to-bone fixation device comprising a first suture and a flexible fixation assembly, the first suture having a first traction end, a second traction end, a first wire inlet hole and a second wire outlet hole, the flexible fixation assembly comprising a second suture and a titanium alloy button; in use, the fibula and the tibia are adjusted to a suitable position, a drill bit is used to drill through the fibula, a drill bit is used to create a bone channel on the tibia through the fibula bone channel created by the drill bit, the second suture is passed through the fibula bone channel and knocked into the tibia bone channel, the titanium alloy button is arranged on the surface of the lateral cortical bone of the fibula, the first traction end and the second traction end are pulled, and the second suture is contracted into a mass in the bone channel to extrude the bone channel and achieve flexible fixation, so that reliable fixation can be achieved with a smaller amount of bone removal.

The invention discloses a multi-module tandem type axial magnetic flux motor, relates to the technical field of magnetic flux motors, and aims to solve the problems that when a traditional multi-module tandem type axial magnetic flux motor is installed, a large number of bolts are used, the steps are tedious, and the complexity is increased; the technical problems of single heat dissipation mode, difficulty in meeting high-efficiency heat dissipation requirements, aging of insulating materials caused by high temperature, reduction of magnetic performance and influence on the service life and safety of a motor in the prior art are solved, and the motor comprises a motor mechanism and an assembling mechanism. Due to the simplification of the installation steps and the optimization of the structure, the overall layout of the motor can be more compact, the installation space is saved, the device is of great significance to some application scenes with high space requirements, the problems of looseness, fatigue and the like possibly caused by the connection of a large number of bolts are reduced, and the service life of the motor is prolonged. In addition, the fixing mode of the positioning assembly and the casing is more reliable, and the liquid filling gap also plays a role in sealing and damping, so that the reliability of the motor structure is further improved, and the probability of fault occurrence is reduced.

The utility model discloses a multi-angle adjustable electromechanical maintenance platform, which belongs to the field of electromechanical maintenance and comprises a workbench, the upper surface of the workbench is fixedly connected with a fixing frame, an inner cavity of the fixing frame is slidably connected with a sliding frame, and an adjusting mechanism is arranged above the sliding frame; the adjusting mechanism comprises a rack, mounting side plates are fixedly connected to the two sides of the upper surface of the fixing frame, a rotating rod is arranged above the fixing frame, the outer ring of the rotating rod is sleeved with a half gear, and the half gear is meshed with the rack through clamping teeth; through the cooperative use of the devices, the operation comfort and the working efficiency are improved, particularly when the maintenance task of precise electronic elements or complex mechanical structures is carried out, it can be ensured that maintenance personnel obtain a clear visual field and a sufficient operation space, the misoperation risk caused by sight blocking or operation space limitation is avoided, and the service life of the maintenance personnel is prolonged. And therefore, the maintenance quality and safety are improved.

The utility model relates to the technical field of wired earphones, in particular to a wired earphone capable of automatically rewinding an earphone cord, which comprises a protective shell, an earphone body is fixedly arranged in the protective shell, a rotating shaft is movably arranged in the protective shell, the earphone body is fixedly arranged in the rotating shaft, and the earphone cord is arranged in the rotating shaft. A rotating disc is fixedly connected to the outer wall of the rotating shaft, a spring is fixedly connected to the outer wall of the rotating shaft and located at the bottom of the rotating shaft, the outer wall of the spring is fixedly connected to the outer wall of the protective shell, and a locking assembly is installed between the protective shell and the rotating shaft; the locking assembly comprises a ratchet wheel, a pawl and a spring, and the ratchet wheel is fixedly connected to the outer wall of the rotating shaft and located at the bottom of the spring. According to the utility model, the problem that the buckle of the existing automatic rollback earphone is not firmly fixed is solved, the automatic take-up and stable locking of the earphone cable are realized, and the earphone has the advantages of convenience in storage, protection of internal parts, convenience in operation and the like.

The utility model discloses an adjustable damping type external solenoid valve for a shock absorber, which comprises an electromagnet assembly and a damping valve group, the damping valve group at least comprises a valve body and a valve seat, the valve body is provided with a pilot chamber, and the pilot chamber is provided with a pilot valve. The pilot chamber is communicated with a valve port formed in the valve seat and a valve hole formed in the outer circumferential surface of the valve body; a main valve element is arranged in the pilot chamber, and the inner side of the main valve element abuts against the end side of the valve body through a spiral spring. A liquid inlet hole is formed in the main valve element, a liquid outlet hole is formed in the end side of the valve body, and the liquid outlet hole is communicated with the outside through a flow channel between the electromagnet assembly and the damping valve set. The electromagnet assembly at least comprises a push rod arranged in a sliding mode, a gasket is arranged on the push rod, and the gasket can seal the liquid outlet hole. The electromagnetic valve is mainly embodied in that the design is exquisite, fluid pressure can be quickly relieved through the electromagnetic valve, instant sudden change is avoided, the fluid pressure control precision is greatly improved, and the electromagnetic valve has wide applicability.