2120results about How to "Reduce tension" patented technology

The invention discloses an intelligent medical pre-inquiry method and system based on a multi-modal large model and a medium, and the method comprises the steps: obtaining user input data to recognize a target intention, and when a knowledge question and answer intention is recognized, obtaining a knowledge question and answer module; based on the medical knowledge graph, combining with knowledge keywords in the user input data and utilizing a multi-modal large model to obtain medical answers; when the pre-inquiry intention is recognized, inquiry keywords in the user input data are extracted for slot filling to obtain slot information, and a slot filling strategy is dynamically adjusted based on the slot information and user feedback data; and performing visual display on the medical answers and the health management suggestions based on the user interaction interface, and obtaining user interaction data for human-computer interaction. According to the invention, a natural language processing and multi-modal fusion mode is adopted, so that the information input process of a patient is more convenient; and meanwhile, by introducing dynamic medical history information acquisition and interaction, real-time interaction with the patient is realized, and the user experience of pre-inquiry is improved.

The invention provides a preparation method of a silicon substrate and a heterojunction solar cell, and the preparation method of the silicon substrate comprises the steps: an initial silicon substrate comprises a first surface and a second surface, a first mask layer is formed on the first surface, and a second mask layer is formed on the second surface; performing first dot matrix laser etching treatment on the first mask layer to form a first intermediate mask layer; the second surface is provided with a target area, the target area is used for arranging a grid line, and second dot matrix laser etching processing is carried out on the second mask layer corresponding to the target area to form a second middle mask layer; performing alkali etching treatment on the first surface through the first intermediate mask layer, and performing alkali etching treatment on the target area through the second intermediate mask layer; and removing the first intermediate mask layer to obtain a first suede, and removing the second intermediate mask layer to obtain the silicon substrate with the target area as the second suede. The silicon substrate with excellent adhesiveness between the second surface and the grid lines and ultralow reflectivity on the first surface is prepared by using the method.

The invention relates to the technical field of grinding, in particular to a workpiece surface grinding device which comprises a machine base, a driven wheel, a driving wheel, an adjusting mechanism and a grinding belt, and the axis of the driven wheel and the axis of the driving wheel are arranged on the machine base in parallel and can rotate; the driving wheel is provided with an annular tire bag, a base cylinder and a sliding cylinder, the base cylinder is coaxially sleeved with the sliding cylinder, the peripheral walls of the base cylinder and the sliding cylinder are sleeved with the annular tire bag in a sealed mode at the same time, the annular tire bag is filled with fluid, and the sliding cylinder can slide in the axis direction of the sliding cylinder so as to change the diameter of the annular tire bag. The adjusting mechanism is configured to be capable of adjusting the position of the sliding cylinder on the base cylinder; the polishing belt is connected to the driven wheel and the annular tire bag in a friction and sleeving mode at the same time, so that the tensioning degree of the polishing belt can be adaptively changed when the diameter of the annular tire bag is changed. Therefore, the grinding belt is prevented from abutting against the workpiece in a pressing block pressing mode, abrasion of the grinding belt is reduced, and meanwhile heating of the grinding belt can be reduced.

The invention relates to the technical field of power detection, and discloses a power energy storage detection device and a detection method thereof.The power energy storage detection device comprises a conveying shell, a motor is fixedly connected to one side of the outer wall of the conveying shell, a rotating shaft is fixedly connected to the output end of the motor, and one end of the rotating shaft penetrates through the conveying shell and extends into the conveying shell; a transverse rod is rotationally connected to one side of the inner wall of the conveying shell, rotating rollers are fixedly connected to the outer wall of the rotating shaft and the outer wall of the transverse rod, electronic elements are placed on the top of the conveying belt, the motor is started, the motor drives the rotating shaft to rotate, the rotating shaft drives the rotating rollers to rotate, and the rotating rollers drive the conveying belt to rotate; and when the electronic components are conveyed to the bottom of the top frame, the motor is closed, the electric telescopic rod is started, the electric telescopic rod drives the transverse plate to descend, the transverse plate drives the universal meter to descend, the universal meter makes contact with the electronic components in the descending process, and then the electronic components are detected.

The invention belongs to the technical field of automatic wire unwinding and winding, and particularly relates to an automatic wire unwinding and winding device for garden construction measurement, which comprises an active wire unwinding and winding mechanism, a self-adaptive sliding type driving mechanism, a base fixing mechanism and an automatic opening and closing type unlocking mechanism, the self-adaptive sliding type driving mechanism is arranged at one end of the active wire unwinding and winding mechanism, and the base fixing mechanism is arranged at the other end of the active wire unwinding and winding mechanism; the active unwinding and winding mechanism is arranged on the base fixing mechanism, and the automatic opening and closing type unlocking mechanism is arranged on the side face of the active unwinding and winding mechanism. The invention creatively provides an ingenious structure that an active unwinding and winding mechanism and a self-adaptive sliding type driving mechanism are combined, and through the characteristic of one-way transmission of the winding ratchet wheel assembly and the first arc protrusion and the second arc protrusion which can generate elastic deformation, the winding ratchet wheel assembly can rotate; and during winding, relative rotation is generated between the flexible measuring tape and the multi-roller clamping assembly in a non-synchronous movement mode, so that friction force required by tensioning is provided.

The invention discloses auxiliary film covering equipment for display screen production and processing, and relates to the technical field of display screen production and processing, the auxiliary film covering equipment comprises a processing platform, a conveyor belt is arranged at the upper end of the processing platform, a rack is fixedly erected at the upper end of the processing platform, and a film covering limiting conveying mechanism is arranged on the inner side of the rack. According to the film laminating device disclosed by the invention, a movable block moves to drive the angle of an auxiliary abutting rod to change through stretching and retracting of a hydraulic telescopic cylinder rod and the deformation effect of an elastic tension elastic wire, so that the auxiliary abutting rod jacks up an abutting rod I, and a film touch pressing roller performs tight fitting rolling in the direction of a film to assist in film laminating work; and in cooperation with the additional arrangement of the arc-shaped supporting and pressing plate, a reverse pushing force can be applied to the first abutting rod, it is guaranteed that the film touch pressing roller is attached to the surfaces of the film and the display screen all the time, the effectiveness of film covering is enhanced, automatic film covering is achieved, and meanwhile bubbles generated during film covering can be removed and discharged slowly.

The invention discloses a VR brain-computer interface system and method for olfaction-induced electroencephalogram, and the system employs a control module to control an olfaction generation module to generate smell, and control an image and video resource library to generate images or videos; the electroencephalogram signal acquisition module is used for acquiring electroencephalogram signals and sending the electroencephalogram signals to the signal processing module; a near-infrared signal acquisition module is used for acquiring a near-infrared signal and sending the near-infrared signal to a signal processing module; processing the electroencephalogram signal and the near-infrared signal by using a signal processing module to obtain a signal processing result, and sending the signal processing result to a control module and a communication module; the control module is used for controlling the smell generation module to generate smell and controlling the image and video resource library to generate images or videos according to the signal processing result; and sending a signal processing result to the mobile terminal by using the communication module. According to the method, virtual reality and olfactory stimulation are fused, multi-sense synergy is achieved, and immersive experience is provided for the user.

The invention belongs to the technical field of robots, and particularly relates to an industrial robot with load capacity. The robot comprises a base. A rotating arm is rotationally mounted on the base; a big arm is rotationally mounted on the driving mechanism in the rotating arm; a small arm is rotationally mounted on the driving mechanism at the top of the large arm; a manipulator is mounted on the small arm; a reinforcing plate is mounted on the side, away from the manipulator, of the large arm; a mounting plate is fixedly mounted on the side, away from the large arm, of the reinforcing plate. A circular groove is formed in the end surface of one side of the mounting plate; a rotary disc is rotationally connected into the circular groove through a rotary shaft. A rotating rod is rotationally connected to the edge position of the rotating disc; a small arm balance mechanism is arranged on the mounting plate and the small arm; a big arm balance mechanism is arranged on the rotating arm and the big arm; by arranging the large arm balance mechanism and the small arm balance mechanism, loads generated when the large arm and the small arm grab heavy objects can be balanced, and therefore the loads borne by the large arm and the small arm in the working process are reduced.

The invention belongs to the technical field of composite non-woven fabric bag production and detection, and provides a composite non-woven fabric bag production water and air permeability detection device which comprises a detection box, a fixing sleeve is fixedly arranged in the detection box, and a lifting seat is arranged on the inner end face of the detection box around the fixing sleeve in a rectangular mode. The lifting seats are fixedly connected with telescopic first electric telescopic seats, the telescopic ends of the first electric telescopic seats are connected with guide rails, the guide rails are slidably connected with a plurality of first electric telescopic seats, and the positioning mechanism can clamp and fix the composite non-woven fabric bag. According to the invention, when the air pressure in the detection tank is increased, the volume in the detection tank is increased through the adjusting assembly, so that the air pressures in all the detection tanks are always kept consistent in the detection process, and the permeation amount of water flow or air flow in the detection tank is judged by observing the change of the volume of the detection tank.

The invention discloses a high-strength steel welding rod for 1000 MPa water and electricity and a preparation method and application of the high-strength steel welding rod. The invention belongs to the technical field of welding materials. The technical problems that the low-temperature impact toughness of an existing welding material for 1000 MPa-grade high-strength steel needs to be improved, and the welding cold crack sensitive index is too large are solved. The welding rod is composed of a core wire and a coating wrapping the surface of the core wire. Powder of the coating is formed by mixing marble, fluorite, rutile, silica powder, electrolytic manganese, ferrosilicon, graphite, ferromolybdenum, chromium metal, iron powder, nickel powder, sodium carbonate and sodium alginate. The welding rod has the advantages of good all-position welding process performance, stable electric arc, small flying speed, uniform coating melting, beautiful weld joint forming and good operability of welders. And weld metal has good mechanical properties. And the method is used for welding the high-strength steel for the 1000MPa-grade water

The invention provides a self-adaptive variable-frequency speed regulation control method for a belt conveyor, which comprises the following steps: acquiring current material loading capacity data through a weight sensor, comparing the current material loading capacity data with a preset standard loading capacity to obtain a deviation value of the loading capacity, and controlling the feeding speed of a feeding device according to the deviation value. The loading capacity of the conveyor is maintained within a reasonable range by adjusting the loading speed of the materials; the speed sensor is adopted to obtain current belt speed data, the current belt speed data is compared with a preset standard speed to obtain a speed deviation value, the output frequency of the frequency converter is controlled according to the size and positive and negative of the deviation value, and the belt speed is maintained within a reasonable range by adjusting the rotating speed of the motor. The control strategy can be automatically optimized according to different working conditions, belt tension and speed fluctuation are effectively reduced, stable operation of the conveyor in a complex and changeable environment is ensured, and conveying efficiency and safety are improved.

The invention relates to the technical field of welding, in particular to a welding method. According to the method provided by the invention, when the length of the wire harness is less than or equal to 500mm and the second end and the second terminal of the wire harness are welded, the first end of the wire harness is slightly influenced by vibration, and the tension value of the first terminal at the first end and the wire harness is reduced, so that after the welding parameters are adjusted, on one hand, the welding tension effect of the second end is reduced; on the other hand, vibration generated during welding is reduced, so that damage to the welding position of the first end is reduced, and tension values of the front end and the rear end can be balanced. In addition, the first end of the wire harness welded with the first terminal is clamped in the welding process, so that vibration generated when the second end of the wire harness is welded is counteracted by the clamping mechanism, propagation of the vibration to the first end is greatly reduced, and the influence on the first end is reduced.

The invention relates to the technical field of rehabilitation training, and discloses a waist rehabilitation training device and a rehabilitation training method.The waist rehabilitation training device is characterized in that a muscle supporting assembly is mounted on a wearing assembly, and the muscle supporting assembly corresponds to human waist muscles; an air bag assembly is installed on the wearing assembly and arranged on the back of the human body and corresponds to the waist of the human body. A profiling supporting assembly is installed on the side, close to the waist, of the air bag assembly and correspondingly matched with the lumbar vertebra skeleton, and the height of the profiling supporting assembly is adjustable. By arranging the profiling supporting assembly corresponding to the lumbar vertebra on the wearing assembly, the profiling supporting blocks are arranged in one-to-one correspondence with the vertebrae on the back of the waist to achieve bionic assistance, the stress contact area of the profiling supporting blocks and the back of the waist is greatly increased, and the body surface of the waist is stressed uniformly relatively; the actual rehabilitation effect is improved; and in combination with a waist rehabilitation training method, rehabilitation training can be performed in stages according to the degree of waist injury, the design is ingenious, and the application prospect is very good.

The invention provides foamed light soil. The foamed light soil is prepared from the following raw materials in percentage by mass: 0.01%-30.00% of aeolian sand, 0.01%-30.00% of oily sludge pyrolysis residues, 25.00%-76.00% of cement, 3.00%-5.00% of a foam group and 20.00%-25.00% of water, wherein the foam group is prepared by mixing a foaming agent with water and then foaming. The invention provides a preparation method of foamed light soil. The foamed light soil prepared by compounding the aeolian sand and the oily sludge pyrolysis residues with the cement has good fluidity and mechanical properties, such as high compressive strength, high breaking strength, no heavy metal leaching, no influence on the environment and the like, meets the requirements of different layers and different grades of highway subgrades, and has good application prospects. And the regulation of foam light soil on the roadbed strength is met.

The invention provides a composition for improving sleep quality as well as a preparation method and application thereof, and belongs to the technical field of medicines. The preparation method comprises the following steps: performing supercritical fluid extraction on lavender, violet, rose and agilawood to obtain extracted oil, performing solid enzymolysis, performing immobilized ionic liquid extraction, and performing desorption to obtain extracted oil, and uniformly mixing the extracted oil with the extracted oil and a penetration enhancer to obtain the composition for improving the sleep quality. The prepared extract oil and the extract oil are mixed, and the penetration enhancer is added, so that the prepared composition for improving the sleep quality enters a human body through skin absorption, achieves the effects of regulating qi activity of viscera and regulating yin and yang of the body, has the effects of soothing the nerves, helping sleep, prolonging the sleep time, improving the sleep effect and relieving nervous mood, and has a wide application prospect.

The invention relates to the technical field of defoaming agents, and discloses a modified organic silicon defoaming agent and a preparation method thereof.The modified organic silicon defoaming agent takes hydrogen-containing silicone oil as a base material, polyether modified carboxymethyl cellulose and modified white carbon black are used for modifying the base material to obtain the modified organic silicon defoaming agent, and after the white carbon black is modified, the modified organic silicon defoaming agent is prepared. According to the present invention, the polyether modified organic silicon is uniformly and stably distributed in the system so as to improve the defoaming efficiency, the carboxymethyl cellulose has characteristics of excellent thickening property, excellent film forming property and excellent stability, can improve the consistency of the organic silicon defoaming agent, can help to form the stable film layer, can easily adhere and disperse the active component of the defoaming agent, and can improve the defoaming effect; the surface property of the modified organic silicon is improved, the modified organic silicon has better hydrophilicity and wettability, the structural stability of the silicone oil is improved, all the components have a synergistic effect, and the prepared modified organic silicon has excellent defoaming and foam inhibiting effects, meanwhile, the dispersity is good, the heat resistance and stability are improved, and the application range is wide.

The invention belongs to the technical field of livestock breeding, and particularly relates to an intelligent digital farm which comprises a breeding bottom plate, a feed throwing machine, a forage conveying line, a fence, a water trough, a concentrated feed adding machine and a collecting frame. The side, away from the feed throwing machine, of the collecting frame is fixedly connected with an excess feed recycling structure through a connecting frame, and the collecting frame is internally provided with an excrement pushing structure used for cleaning excrement, an excrement sweeping assembly and a reverse supporting structure used for controlling the height of the excrement pushing structure and the height of the excrement sweeping assembly. When one protective shell moves in the direction close to the cable winch, the heights of the manure pushing structure and the manure sweeping assembly are increased, and therefore the purpose that in the normal breeding process of sheep, when manure needs to be cleaned, the sheep does not need to be driven out of a breeding farm, and the manure can be cleaned can be achieved.

The invention relates to a wire drawing system with pay-off power and a tungsten filament cold drawing method, the wire drawing system comprises a pay-off machine, a wire drawing machine and a take-up machine, the pay-off machine comprises a rack adjustably arranged on one side wall of the wire drawing machine, and a pay-off device, a guide device and a tension device which are arranged on the rack; the pay-off device comprises a pay-off motor and a clamping mechanism, and a pay-off wheel wound with a wire is detachably arranged on the clamping mechanism; the guide device comprises a guide piece I with a guide wheel and a guide piece II with two guide wheels; the tension device comprises a tension wheel arranged on the rack in an up-down swinging mode and a sensor used for monitoring the swinging angle of the tension wheel. And a wire on the pay-off wheel is led out to sequentially wind the guide wheel on the first guide piece, one guide wheel on the second guide piece, the tension wheel, the other guide wheel on the second guide piece and the other guide wheel, and then is led into the wire drawing machine. The wire drawing machine can actively pay off wires, and the pay-off machine, the wire drawing machine and the take-up machine are in linkage fit, so that stable drawing of superfine wires can be realized.

The invention relates to the technical field of scraper conveyors, in particular to a scraper type slag salvaging machine which comprises a shell, a material bearing plate is arranged in the shell, a driving shaft and a driven shaft are rotationally arranged at the front end and the rear end of the shell respectively, a chain assembly is wound around the driving shaft and the driven shaft, and the chain assembly comprises two first chains and a second chain. The second chain is located between the two first chains, a plurality of rotating shafts are arranged on the second chain front and back at intervals, two telescopic scraping plates are hinged to the rotating shafts, each telescopic scraping plate comprises a first scraping plate and a second scraping plate which are in sliding connection, the first scraping plates are rotationally arranged on the rotating shafts, and each second scraping plate is fixedly connected with one first chain; the telescopic scraping plate slides along the surface of the material bearing plate, when slag materials driven by the telescopic scraping plate are increased, the length of the telescopic scraping plate is increased, meanwhile, rotation of the telescopic scraping plate can drive the first chain to be tightened, the contact pressure between the telescopic scraping plate and the surface of the material bearing plate is increased, and the phenomenon of material leakage is avoided.

The invention relates to the technical field of plastics, in particular to a high-strength antibacterial plastic packaging bottle and a preparation method thereof.The preparation method comprises the steps that polylactic acid, poly (butylene succinate), epoxidized soybean oil and composite zinc oxide are mixed, extruded, granulated and blow-molded, and a base part is obtained; mesoporous nano-zinc oxide is used as a carrier to carry tea polyphenol, then carboxymethyl chitosan is used for coating, and an epoxy compound containing a Si-O chain segment is grafted; preparing a protective coating from composite zinc oxide and soybean oil-based self-repairing waterborne polyurethane, and coating the surface of a substrate with the protective coating; soybean oil-based polyol, polytetrahydrofuran ether glycol and isophorone diisocyanate are used as raw materials to prepare a polyurethane prepolymer, 2, 2-bis (hydroxymethyl) propionic acid is used as a hydrophilic chain extender, an epoxy compound containing a Si-O chain segment is used as a modifier, 1, 4-butanediol and dithiodiethanol are used as end-capping reagents, triethylamine is used as a neutralizer, and the polyurethane prepolymer is prepared by a one-step method. And ethylene diamine and tetraethylenepentamine are used as amine cross-linking agents to prepare the soybean oil-based self-repairing waterborne polyurethane.

The utility model provides a tensioning structure with an adjustable cutting distance. The tensioning structure comprises a base, a tensioning wheel, a tensioning component and a distance adjusting device. Linear rails are arranged on the two sides of the upper end of the base in the axial direction of the base, a plurality of sliding frames are arranged on the linear rails at intervals, the sliding frames are arranged on the linear rails in a crossing mode and can move in the axial direction of the linear rails, the tensioning wheels are arranged on the corresponding sliding frames through tensioning components, and the distance adjusting device is arranged on one side of the base. The distance adjusting device is arranged on the sliding frame, is in transmission connection with the sliding frame and can control the sliding frame to axially move along the line rails; the utility model further provides a combined wire sawing machine using the tensioning structure. According to the utility model, the sliding frame provided with the tensioning wheels can move horizontally by adopting the linear rail, the distance of the tensioning wheels can be adjusted, and the moving distance of the sliding frame is controlled mechanically by adopting the distance adjusting device, so that the distance of the tensioning wheels is accurately adjusted, and the cutting distance of the wire saw is accurately adjusted.

The invention belongs to the field of combined assembly, and particularly discloses an anchor cable hook integrated combined machining device which comprises a winding type length measuring mechanism, a pressing type tightening mechanism, an encircling type single-layer feeding mechanism, a sliding avoiding mechanism and a hook feeding assembly. By means of a downward pressing driving action, the multiple steps of taking, guiding and bending, pressing and fixing and the like of the arc-shaped metal sheets can be completed in sequence, and the arc-shaped metal sheets on the lower portion can be supplemented in time in the reset process; the technical effect that the sliding baffle slides transversely in a self-adaptive mode in the downward pressing process of the bent rail is achieved, and the technical contradiction that the sliding baffle needs to support the arc-shaped metal sheet and cannot support the arc-shaped metal sheet is overcome.

The invention discloses high-dispersity modified gold paste mixing equipment for a thermal printing sheet and a process of the high-dispersity modified gold paste mixing equipment, and relates to the technical field of material mixing. Under tightening and clamping of inner and outer barrel walls, four groups of frustum-shaped stirring rods with downward big heads can be gradually folded inwards and block-shaped materials are positioned among the four stirring rods; the four inclined outer walls gradually extrude and push the agglomerated powder which cannot be scattered along with the folding, so that the agglomerated powder is gradually upwards jacked up by the four groups of stirring rods which are gradually drawn close, and the four groups of stirring rods simultaneously rotate and revolve, and the stirring outer barrel is higher than the separation inner barrel, so that the agglomerated powder is separated from the separation inner barrel. Therefore, caked powder or other foreign matters which are gradually jacked up can be gradually thrown into the separation inner cylinder under the action of rotary centrifugation, so that impurities and blocky powder which is difficult to scatter can be discharged through the separation inner cylinder in a self-adaptive manner, and the self-adaptive stirring device is simple and ingenious in structure, strong in functionality and suitable for mixing and stirring various materials.

The invention discloses an anti-condensation electric power ring main unit based on optical radiation heating, and relates to the technical field of ring main units, and the anti-condensation electric power ring main unit comprises a composite mechanism. According to the anti-condensation power ring main unit based on optical radiation heating, through the design of a composite mechanism, the composite shell is used for storing and placing electronic elements, in the daily operation process of the electronic elements, the temperature in the composite shell rises, the temperature difference between the interior and the exterior of the equipment is large, and condensation occurs in the equipment; the heater adopts optical radiation heating to prevent condensation, mainly converts optical radiation energy into heat energy, increases the temperature of an object or a space, and enables the temperature of the surface of the object to be higher than the dew point temperature, so that water vapor is prevented from being condensed into dewdrops on the surface of the object, the water vapor is absorbed through the moisture-proof mechanism, and the interior of the equipment is kept dry. And the ventilation mechanism is used for ventilating the interior of the composite shell, so that the temperature difference between the interior and the exterior is reduced, the probability of condensation is reduced, and the equipment is protected to a certain extent.

The invention provides a quasi-zero stiffness vibration damping device based on a tensegrity, which comprises a first tensegrity vibration damping device, a second tensegrity vibration damping device and a cam group buffer device, and utilizes the nonlinear quasi-zero stiffness characteristics of the self-balance, low dynamic stiffness and high static stiffness characteristics of the tensegrity structure. Through cooperative work of the first tensioning overall vibration reduction device and the second tensioning overall vibration reduction device, longitudinal stress is converted into deformation of an elastic element of a quasi-zero-stiffness mechanism, and therefore vibration reduction is effectively achieved. According to the damping device, the whole tensioning structure and the cam set structure are combined, the damping work is achieved through the combination of the damping performance of the quasi-zero stiffness structure and the damping performance of the tensioning mechanism, the device is high in impact resistance and remarkable in self-balancing and self-stabilizing performance, vibration can be effectively reduced, and the safety of the damping device is improved.

A communication cable connector connecting device comprises an upper semicircular pipe and a lower semicircular pipe, the upper semicircular pipe and the lower semicircular pipe form a transverse pipe, three coaxial annular dovetail sliding grooves are formed in the inner circumference of the transverse pipe, two semicircular dovetail sliding blocks are installed in each annular dovetail sliding groove in a sliding mode, and semicircular rings are fixedly installed on the inner sides of the dovetail sliding blocks respectively. The cable connector is simple in structure and ingenious in conception, a protective shell is formed on the outer side of the cable connector through the upper semicircular pipe and the lower semicircular pipe, the upper semicircular pipe and the lower semicircular pipe can be rapidly connected, self-locking is formed through the fastening force on a cable, and after the cable is fastened, the upper semicircular pipe and the lower semicircular pipe cannot be opened; meanwhile, the fastening rope is used for winding and fastening the cable, the fastening rope can be better attached to the cable, the cable fixing device is suitable for fixing cables of different diameters, opposite pre-tightening tension can be formed at cable joints, the cable joints are well connected, meanwhile, the pre-tightening tension is used for buffering the external tension to the cable, and damage to the cable is reduced.

The utility model discloses a film coating device and relates to the technical field of coating devices. The film coating device comprises a film laminating machine wallboard, a glue coating steel roller, a metering rubber roller, an eccentric roller, a glue coating transfer rubber roller, an unwinding guide roller, a driving device and a rotating steel roller assembling and disassembling structure are arranged on the film laminating machine wallboard, the rollers are rapidly replaced through the rotating steel roller assembling and disassembling structure, and the glue coating steel roller can be rapidly replaced by accurately controlling gaps between the glue coating steel roller and the metering rubber roller and between the glue coating steel roller and the glue coating transfer rubber roller. And uniform coating is realized. By adopting the technical scheme, the coating process is optimized, and the consistency and quality of the coating are ensured. By finely adjusting the gluing gap and the coating gap, the device can adapt to materials with different thicknesses and types, and it is ensured that a coating is uniform and flawless. Due to the design of the unwinding guide roller and the eccentric roller, the tension and position control of the material are further improved, the coating process is more stable, and warping and wrinkling of the material are reduced. By means of the rotating steel roller assembling and disassembling structure, the replacement work of the roller is simplified, the downtime is shortened, and the production efficiency is improved.

The invention discloses a transverse connecting device of a steel structure stand column, comprising: a stand column, the outer surface of which is provided with a mounting surface; the cross beam comprises a main body section and a butt joint section; one end, far away from the main body section, of the butt joint section is provided with a butt joint surface, and the butt joint surface is used for being in butt joint with the mounting surface and fixed through a bolt; a first butt joint disc is arranged at the end, opposite to the butt joint section, of the main body section, and a second butt joint disc is arranged at the end, opposite to the main body section, of the butt joint section. A connecting disc is arranged between the first butt joint disc and the second butt joint disc; the connecting disc is provided with a plurality of first connecting areas connected with the first butt joint disc, and the first connecting areas are arranged at intervals in the circumferential direction; the connecting disc is provided with a plurality of second connecting areas connected with the second butt joint disc, and the second connecting areas are arranged at intervals in the circumferential direction; and the second connecting areas and the first connecting areas are alternately arranged.

The invention relates to the technical field of medical apparatuses and instruments, and discloses a gastroenterology department endoscope auxiliary tractor which comprises a shell, three limiting rings are fixedly connected to the inner wall of the shell, a grip is fixedly connected to the side wall of the shell, a rubber expansion block is fixedly connected to the outer wall of the grip, and a user presses an arc-surface extrusion plate to descend, so that the rubber expansion block is expanded, and the rubber expansion block is expanded. The spring plate and the bevel friction block are driven to descend, the bevel friction block is extruded, the spring plate retracts into the cambered surface extrusion plate, meanwhile, when the cambered surface extrusion plate descends, the cambered surface of the bottom of the cambered surface extrusion plate can make contact with the surface of the ball soft rod, the ball soft rod is extruded to move towards the direction of the fixing ring, the ball soft rod can extrude the clamping block, and the clamping block rotates; according to the clamping device, the clamping force can be controlled by the pressing depth of the cambered surface extrusion plate, it is ensured that the diseased region is accurately clamped, and the clamping force can be rapidly adjusted only by pressing the cambered surface extrusion plate or extruding the connecting plate.

The invention relates to the technical field of electrical automation, in particular to a wire bridge for electrical automation. The cable tray comprises a cable tray body, two pairs of supporting plates are symmetrically and fixedly connected to the inner side of the cable tray body, extension springs are fixedly connected to the inner walls of the multiple supporting plates, a transverse plate is fixedly connected between the ends of the extension springs, and a guide groove is formed in the inner wall of the transverse plate; a plurality of heat dissipation holes are formed in the positions, on the inner sides of the transverse plates, of the two sides of the guide grooves, and a plurality of clamping assemblies are arranged at the positions, below the transverse plates, in the bridge body; the electric wires are restrained by the clamping assemblies, cross winding is avoided, then force is applied to the hinging pieces through the hinging plates, the distance between the cables is adjusted, the arrangement of the electric wires in the bridge body is more regular, the disordered crossing situation is reduced, and meanwhile the heat dissipation effect is improved through the adjustment of the distance between the electric wires and heat dissipation holes formed in a transverse plate. Therefore, the air flowing space between the electric wires is increased, and poor heat dissipation is prevented.