482results about How to "Guaranteed tension" patented technology

The invention provides a portable stirrup welding device for high pier construction, and relates to the technical field of box girder stirrup welding equipment.The portable stirrup welding device comprises a welding hand-held piece, and a steel bar storage part is installed on the welding hand-held piece; the steel bar storage part is used for storing stirrup connecting bars; a connecting rib pushing piece is mounted on the welding handheld piece; the connecting rib pushing piece is used for pushing stirrup connecting ribs; two stirrup prestress pieces are mounted on the welding handheld piece; the two stirrup prestressed parts are used for pulling stirrups; prestress annealing welding can be achieved, the welding tension degree is poor, meanwhile, the accuracy of welding seams can be affected by deviation of the stirrups, and the problems that the welding efficiency is low, the stirrups are not convenient to automatically correct and the tension degree of the welded stirrups is poor due to the fact that welding work of the stirrups for high pier construction mostly adopts manual handheld welding gun operation are solved.

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 an impregnated yarn sample preparation device and a sample preparation method thereof, and belongs to the technical field of impregnated yarn sample preparation equipment.The impregnated yarn sample preparation device comprises a rack, and a yarn unwinding mechanism and a winding mechanism are arranged on the rack; a twist control structure, a tension measuring module, a resin infiltration module and a forming module which are fixed to the top of the rack are sequentially arranged between the yarn unwinding mechanism and the winding mechanism. Real tension control and measurement, twist control, impregnation efficiency improvement and section measurement and control in the impregnated yarn sample preparation process are achieved, the controllability and preparation efficiency of the technological process are remarkably improved, and the problems that in the prior art, the sample preparation technology is weak in adjustment capacity and low in preparation efficiency are solved.

The invention discloses an optical cable, which comprises an optical cable body, an optical cable fixing piece and a separator, one end of the optical cable body is coated with the optical cable fixing piece, and the middle of the optical cable body is coated with the separator. The optical cable body comprises a cable sheath, and optical fibers and reinforcing wires are arranged in the cable sheath. The optical cable fixing piece comprises a hoop, a first crimping ring and a second crimping ring, and the first crimping ring covers the hoop; and one end of the second crimping ring is crimped on the first crimping ring, the middle part is crimped on the reinforcing line on the surface of the hoop, and the other end is crimped on the cable skin. The hoop is provided with a first cavity, and an optical fiber and a seventh sealing piece are arranged in the first cavity. A reinforcing line is arranged between the first crimping ring and the hoop, and the reinforcing line does not exceed the first crimping ring. In the application, the first cavity of the hoop is filled with the seventh sealing member and the first crimping ring to crimp the reinforcing wire, the reinforcing wire does not exceed the first crimping ring, and the first crimping ring is matched with the seventh sealing member, so that the cooling liquid is prevented from permeating into the optical fiber in the optical cable.

The invention relates to the technical field of warp knitting fabric production, in particular to a warp knitting fabric tension constant type winding device and a warp knitting machine. The warp knitting fabric tension constant type winding device comprises a base, and a winding roller is detachably installed on the base; the elastic tensioning assembly is arranged on the base, and the warp knitting fabric penetrates through the elastic tensioning assembly to be wound on a wind-up roller; the transmission assembly is connected with the elastic tensioning assembly and is in rolling fit with the warp knitting fabric wound on the winding roller, the transmission assembly comprises an abutting structure and a connecting structure, and the abutting structure can drive the connecting structure to act according to the thickness of the warp knitting fabric wound on the winding roller; the position of the elastic tensioning assembly is switched; and the tiling assembly is arranged on the base, the tiling assembly can pull the two sides of the warp-knitted fabric in the process that the warp-knitted fabric is wound, the winding quality is improved, and wrinkles caused when the warp-knitted fabric is wound due to the fact that the middle of the warp-knitted fabric is loose are prevented.

The inner and outer wall synchronous polishing device for hardware fitting machining comprises a bottom plate and a portal frame, the portal frame is fixed to the upper end face of the bottom plate, a positioning mechanism is further fixed to the bottom plate, an air cylinder is fixed to the portal frame, a fixed plate is fixed to the output end of the air cylinder, and a movable plate is arranged below the fixed plate; and a vertical rod is vertically fixed on the movable plate. According to the inner and outer wall synchronous polishing device for hardware fitting machining, a downward pressing type positioning mechanism is adopted, a clamping base and a workpiece can be fixed, the position of an outer polishing roller can be adjusted in cooperation with a linkage adjusting mechanism so as to adapt to outer wall polishing of workpieces with different diameters, and then the position of a polishing pad can be adjusted in cooperation with the rotating centrifugal effect; and the adaptability of the device is greatly improved, the inner grinding mechanism and the outer grinding mechanism are driven by the same motor, and therefore the production cost of the device is effectively reduced.

The utility model discloses a horizontal packaging machine, and relates to the technical field of packaging machinery. The utility model discloses a quick release type feeding tailstock, material conveyer, film walking device, roll film forming device, longitudinal sealing device, horizontal sealing device and electrical appliance box, adopts quick release type feeding tailstock, has quick release function, is convenient to clean feeding tailstock, ensures the hygiene of material on quick release type feeding tailstock, improves the production efficiency, reduces the production cost, and improves the production efficiency. The film feeding device is arranged below the material conveying device, namely, a lower film feeding mode is adopted, so that materials are directly conveyed to a rolled film after being output from the quick-disassembly type feeding tailstock, the materials are prevented from making contact with other devices outside the quick-disassembly type feeding tailstock, sanitation of the materials to be packaged is guaranteed, meanwhile, a protective cover is arranged, and the protective cover can be used for protecting the materials to be packaged. External pollution is avoided during longitudinal sealing and transverse sealing, the quick-frozen materials are protected to a certain extent, corrosion of the packaging machine caused by water vapor of the quick-frozen food is avoided, and the packaging machine can be waterproof and moistureproof.

The present invention discloses a detection device for the production and processing of high specific volume corrosion foil, which relates to the technical field of corrosion foil production detection, including a bracket 1 and a bracket 2; a feeding part, which is used for conveying during the production process of the corrosion foil, unrolling the rolled corrosion foil for monitoring, and then reeling the corrosion foil after monitoring, and the feeding part includes a reeling and unwinding assembly fixedly mounted on the bracket 1. The advantages are: the device uses laser to detect the thickness and flatness of corrosion foils of different thicknesses, with high light intensity, high stability, fast light beam reflection speed, high detection efficiency, and in the detection process, the reflection point of the laser beam is received at the same point, the receiving point is single and stable, and the detection accuracy is high. In addition, the tension of the corrosion foil can be adjusted according to the actual situation of the corrosion foil during the detection process to ensure that the tension of the corrosion foil is within the optimal detection range, further improving the detection accuracy.

The invention relates to wire and cable production and manufacturing automatic processing equipment and processing technology, and relates to the technical field of wires and cables.The wire and cable production and manufacturing automatic processing equipment comprises a fixing frame, a processing mechanism used for winding, pulling and twisting wires and a processing mechanism used for paying off and guiding single wires, and the processing mechanism comprises a paying off assembly and a guiding assembly; the processing mechanism comprises a winding assembly, a traction assembly and a twisting assembly; the winding assembly comprises a winding drum rotationally arranged on the fixing frame, a guide block movably arranged on the fixing frame, a rotating part used for driving the winding drum to rotate, a translation part used for driving the guide block to translate and a dismounting part used for dismounting the winding drum. When the multiple pay-off reels pay off wires at the same time, it can be guaranteed that the tightness of each single wire is kept consistent, the pay-off speeds of the pay-off reels are prevented from being different, and the phenomena of non-uniform pay-off, non-uniform stranded wire pitch and irregular stranded wire appearance caused by the fact that the lengths of the paid-off single wires are not consistent are prevented.

The invention discloses a full-static-pressure ultra-precise double-head spindle, which relates to the technical field of machine tool spindles and comprises a mandrel, a shaft sleeve is fixedly connected to the outer surface of the mandrel, a spindle equipment compartment is rotatably connected to the outer surface of the shaft sleeve, a synchronous pulley is fixedly connected to one side of the outer surface of the shaft sleeve, and a transmission assembly is in transmission connection to the synchronous pulley. The synchronous belt wheel is sleeved with a belt cover, the belt cover is fixedly connected into the main shaft equipment compartment body, and a transmission assembly looseness abnormity early warning mechanism is arranged in the belt cover and can automatically trigger an alarm to remind workers when the transmission assembly is loosened. The situation that the core shaft breaks down due to the fact that the transmission assembly falls off and is broken can be reduced, the maintenance cost of the core shaft is reduced, the service life of the core shaft is prolonged, the situation that vibration and noise are generated when the core shaft works under the abnormal condition of the transmission assembly can be avoided, the stability of the core shaft in the operation process is guaranteed, and the service life of the core shaft is prolonged. Therefore, the product grinding precision and quality of the mandrel are improved.

The utility model discloses an optical module and an optical cable. The optical cable is provided with an optical cable fixing piece and an isolation piece. The optical cable fixing member comprises a clamp and a first crimping ring. The clamp comprises a limiting projection. The first crimping ring is crimped on the hoop, and a reinforcing line is arranged between the first crimping ring and the hoop. The area between the limiting protrusion and the first crimping ring is a storage groove, a second sealing piece and a reinforcing line extending out of the first crimping ring are arranged in the storage groove, and the reinforcing line is arranged in the second sealing piece. The isolation piece comprises an isolation sleeve, a first protection sleeve and a second protection sleeve, the isolation sleeve covers the optical cable body, the first protection sleeve covers the isolation sleeve, and the second protection sleeve covers the first protection sleeve and the optical cable body located outside the first protection sleeve. According to the optical cable, the second sealing element and the reinforcing wire are arranged in the storage groove, and the reinforcing wire is arranged in the second sealing element, so that the situation that cooling liquid permeates into the optical cable body outside the optical module from the outside of the optical module is reduced; the second protective sleeve protects the optical cable body.

The invention relates to the technical field of agricultural machinery, and particularly discloses a saline-alkali farmland planting ridging and film mulching device which comprises a connecting unit, a film releasing unit and a film mulching unit. The reliable connection of the mounting rack and the first connecting bracket with a traction machine ensures that the device can advance according to a preset track in the ridging and film covering process, so that the accuracy and continuity of operation are ensured; in addition, soil can be turned over before ridging and film mulching through a soil turning assembly fixed to a fixing plate, the soil structure is improved, the soil is looser, growth of crop roots and permeation of water and nutrients are facilitated, and through cooperation of all the components, the yield of crops is improved. The key problems of stability, sealing performance, adaptability and the like in the film material conveying and film covering process are effectively solved, efficient and reliable technical support is provided for saline-alkali soil crop planting, and improvement of the agricultural production benefits of saline-alkali soil and improvement of the ecological environment are facilitated.

The utility model discloses a crawler belt structure for a pneumatic crawler belt type drill carriage, and belongs to the technical field of crawler belt type drill carriages. A crawler belt structure for a pneumatic crawler belt type drill carriage comprises a chassis body, and crawler belt bodies are arranged on the two sides of the chassis body. According to the crawler belt structure for the pneumatic crawler belt type drill carriage, an external steel pipe is inserted into a rotating rod through a movable groove, a rotating disc rotates through pressing of a human body, then a threaded rod rotates towards a sealing barrel, a connecting rod rotates to drive an ejector block to move, and at the moment, a telescopic rod stretches out under the thrust of the ejector block to adjust a tensioning device; when the air cylinder body is damaged, the tensioning degree of the crawler belt body is kept, in the walking process of the crawler-type drill carriage, large noise is avoided, clearance fit between the crawler belt body and the walking gear ring is guaranteed, abrasion between the crawler belt body and the walking gear ring is reduced, and the service life of the crawler-type drill carriage is prolonged. And the service life of the track body is prolonged.

A temperature sensing optical cable installation assembly comprises a base, a supporting plate, a first fixing plate, a second fixing plate and a compression spring, the first fixing plate is in threaded connection with a plurality of fixing bolts, and the fixing bolts penetrate through adjusting holes formed in the supporting plate; the surface of the first fixing plate and the surface of the second fixing plate are both provided with rubber cushion plates, when the fixing bolts are attached to the ends, away from the base, of the adjusting holes, the compression springs are in a non-elastic deformation state, and the two rubber cushion plates are both attached to the temperature sensing optical cable between the two rubber cushion plates. The invention further discloses a temperature sensing optical cable installation process which comprises the steps from S10 to S50. According to the embodiment of the invention, the temperature-sensing optical cable is clamped and fixed by the temperature-sensing optical cable installation assembly installed on the building structure, so that the installation of the temperature-sensing optical cable is realized, the process is simple, the operation is easy, the cost is low, the tension after the installation can be maintained by clamping and fixing the temperature-sensing optical cable, the temperature-sensing optical cable is kept in a straightened state, and the installation efficiency is improved. And the temperature sensing optical cable is not damaged.

The utility model discloses an elastic nylon fabric which comprises a fabric layer, the fabric layer is formed by interweaving warp yarns and weft yarns in a plain weave mode, the warp yarns are of a ZS double wrap yarn structure formed by wrapping spandex with low-denier nylon, the twisting mode is that Z twisting and S twisting are conducted at the same time, and the twisting degree ranges from 1800 twists to 2000 twists. According to the elastic nylon fabric, a ZS double-wrapping structure is adopted in the warp direction of the elastic nylon fabric, the overall tension of wrapping yarn is ensured, and the elasticity and stability of the fabric are improved. Meanwhile, by adjusting the density in the warp direction and the weft direction, the fabric not only has an excellent cool feeling effect, but also has good anti-ultraviolet performance, and the air permeability is optimized.

The invention discloses an infusion assisting device for ICU nursing, and belongs to the technical field of ICU nursing, the infusion assisting device comprises a telescopic infusion support, a self-locking adjusting mechanism is arranged on one side of the telescopic infusion support, a tensioning type fixed monitoring mechanism is arranged at the upper end of the telescopic infusion support, and a storage box is arranged in the middle of the telescopic infusion support; a follow-up type anti-accumulation winding device is arranged in the storage box, the follow-up type anti-accumulation winding device is connected with a hand wearing piece through a rope, and the hand wearing piece drives the follow-up type anti-accumulation winding device through the rope; hanging rods are distributed at the top end of the telescopic infusion support in an array mode, lifting hooks are arranged at the ends of the hanging rods, and the tensioning type fixed monitoring mechanisms are arranged on the hanging rods in a sliding mode. According to the infusion auxiliary device for ICU nursing, the infusion tube is stored through driving of the hand wearing piece, an infusion bag or an infusion bottle is effectively fixed and prevented from falling off in a tensioning and hanging mode, and the liquid dripping state is monitored in real time.

The present invention discloses a hollow glass built-in blind, comprising a frame with a blind cavity in the middle, a blind arranged in the blind cavity of the frame, and a lifting control mechanism for driving the blind to rise and fall; the blind comprises a plurality of blades and a traction rope for driving the blades to rise and fall; the lifting control mechanism comprises a traction rope roller and a retracting follower respectively arranged on the frame; the retracting follower comprises a base and a counterweight, a magnetic structure is arranged at the lower part of the height direction of the base, the counterweight is arranged on the base, and the counterweight is located above the magnetic structure along the height direction of the base; a traction rope connection structure is also arranged on the base; one end of the traction rope is connected to the traction rope connection structure by passing around the traction rope roller. The present invention has the characteristics of good stability, convenient operation and wide application range. Furthermore, it has a better limiting effect and can avoid the occurrence of traction rope entanglement.

The invention discloses a platform lifting type safety protection device which comprises a fixed side box mechanism assembly and a protection rope system. The fixed side box mechanism assembly comprises a fixed side box frame, a lead screw nut transmission mechanism and a belt transmission mechanism. The lead screw nut transmission mechanism comprises a roller guide rail sliding block assembly, a transmission lead screw and a cavity profile guide rail. The belt transmission mechanism comprises a belt wheel system and a folding connecting rod telescopic system; the upper end of the annular synchronous belt is fixed by the fixed belt clamp, the lower end of the annular synchronous belt drives the movable belt clamp to move upwards, and then the folding connecting rod telescopic frame is driven to contract. A double-section linkage sliding rail structure is adopted, and a motor drives a lead screw nut pair to drive a sectional material guide rail to do lifting motion; the section bar guide rail drives the synchronous belt to rotate, so that the four connecting rods are in synchronous linkage, the single-power double-linkage function is achieved, the double-section telescopic guide rail structure is adopted, the structure is stable and reliable, the total height of equipment is low, and sight shielding of passengers is effectively reduced.

The utility model discloses a screen tightening device which comprises a frame, a side length clamping and dragging mechanism, a corner clamping and dragging mechanism, a jacking mechanism and a tension monitoring device. The side length clamping and dragging mechanism comprises a first bottom plate, a side length translation driving assembly, a main body clamping assembly arranged on the first bottom plate and end clamping assemblies symmetrically arranged on the first bottom plate and located on the two sides of the main body clamping assembly, and the ends, close to the main body clamping assembly, of the end clamping assemblies are arranged on the first bottom plate through rotating shafts; an elastic reset assembly is arranged on the first bottom plate. The side length clamping and dragging mechanism and the corner clamping and dragging mechanism are used for clamping the four edges and the four corners of the screen and tensioning the screen; through cooperation of the jacking mechanism and the tension monitoring device, the screen is tightened, and it is guaranteed that the tension of the center area of the tightened screen meets the requirement; tension near the vertex angle of the screen is reduced through the rotatable end clamping assembly, and local breakage of the area, close to the vertex angle, of the screen due to too large tension is prevented.

The invention discloses a wire cutting device for spring needle connector machining, and relates to the technical field of metal wire machining, the wire cutting device comprises a base, movable plates are slidably mounted on the two sides of the base, cover plates are arranged at the upper ends of the movable plates, and shearing pieces are arranged at one ends of the movable plates; meanwhile, a fixing assembly is arranged at the lower end of the cover plate and located between the two movable plates, and the wire rod is limited through the fixing assembly; according to the wire cutting device for spring needle connector machining, when a push rod moves, a clamping block rotationally connected with the push rod is synchronously driven to move, and due to the fact that a positioning rod is arranged on one side of the clamping block, when the clamping block is stressed to move, the clamping block rotates around the positioning rod, and the end, away from the push rod, of the clamping block gets close to the middle or expands to the two ends; and the end of the limiting block is in an arc shape and used for supporting the outer surface of the wire rod, and the cutting groove is formed in the end of the limiting block, so that when the wire rod is cut, the two sides of the cut end of the wire rod can be protected, and the tilting condition is prevented.

The invention discloses a double-stroke lifting type safety protection device for a platform. The double-stroke lifting type safety protection device comprises a fixed side box mechanism assembly and a protection rope system. The fixed side box mechanism assembly comprises a fixed side box frame, a lead screw nut transmission mechanism and a belt transmission mechanism. The lead screw nut transmission mechanism comprises a roller guide rail sliding block assembly, a transmission lead screw and a cavity profile guide rail. The belt transmission mechanism comprises a belt wheel system and a sliding block lifting transmission system. The upper end of the annular synchronous belt is fixed by the fixed belt clamp, and the lower end of the annular synchronous belt drives the movable belt clamp to move upwards and the lifting sliding block to move upwards, so that a double-stroke mechanism system is formed. A double-section linkage sliding rail structure is adopted, and a motor drives a lead screw nut pair to drive a sectional material guide rail to do lifting motion; the sectional material guide rail drives the synchronous belt to rotate, so that the lifting sliding blocks are in synchronous linkage, the single-power double-linkage function is achieved, the double-section telescopic guide rail structure is stable and reliable in structure, the total height of equipment is low, and sight shielding of passengers is effectively reduced.

The invention discloses a full-automatic self-cleaning type pipe coiling device, and relates to the field of pipe coiling devices, the full-automatic self-cleaning type pipe coiling device comprises a base, a supporting seat, a pipe coiling barrel and a pipe body, the supporting seat is arranged above the base, the pipe coiling barrel is arranged on the inner side of the supporting seat, the pipe body is wound on the surface of the pipe coiling barrel, a connector is arranged at the front end of the pipe body, and the connector is connected with the pipe coiling barrel. And rotating shafts are fixed to the left end and the right end of the pipe winding barrel, the rotating shafts and the supporting bases form rotating connection, the left ends of the rotating shafts are connected with connecting shafts, torsion springs are arranged on the outer sides of the connecting shafts and provide rotating reset force for the connecting shafts, and a mounting block penetrates through the front end of the pipe body. According to the full-automatic self-cleaning pipe coiling device, a transmission head is matched with connection of a transmission belt and a connecting shaft, so that a reciprocating lead screw can be automatically driven to rotate when a pipe coiling barrel rotates, movement control over a mounting block is synchronously achieved, and when a supporting base moves subsequently, an adjusting wheel can push the transmission belt to move, so that the tensioning effect is kept, and the service life of the pipe coiling barrel is prolonged. And normal transmission of power is ensured.

The invention discloses a stainless steel pipe fitting surface polishing device which is characterized by comprising a product supporting part, a polishing part and a polishing part, and a supporting groove used for supporting a product is formed in the product supporting part; the product driving part is arranged at the front end of the product supporting part, a grinding distance is formed between the product driving part and the product supporting part, a product claw disc is arranged on the product driving part, and the product driving part drives the product claw disc to be close to or away from the supporting groove and drives the product claw disc to rotate; the polishing parts are divided into two groups, and the two groups of polishing parts are symmetrically arranged on the left side and the right side of the polishing space; and the polishing part is provided with a polishing belt and a polishing driving motor for driving the polishing belt to rotate. The grinding efficiency is improved.

The invention discloses a belt tensioning device, and aims to provide a belt tensioning device which is easy to adjust tension and improve transmission efficiency. The device comprises a rack, a belt transmission assembly and a tensioning assembly are arranged on the rack, the belt transmission assembly is provided with a transmission belt, the tensioning assembly comprises a linear guide rail, a working platform slides on the linear guide rail, and a rigid connecting assembly and a flexible connecting assembly are arranged on the working platform. The two ends of the transmission belt are connected with the rigid connecting assembly and the flexible connecting assembly respectively, the flexible connecting assembly comprises a belt fixing seat, a supporting seat and a stud, the transmission belt is connected to the belt fixing seat, one end of the stud is connected to the belt fixing seat, and the other end of the stud penetrates through the supporting seat. An elastic force adjusting nut, a spring and a belt tension adjusting nut are connected to the stud, and the belt tension adjusting nut, the supporting seat, the spring, the elastic force adjusting nut and the belt fixing seat are sequentially arranged in the length direction of the stud. The belt tensioning device is applied to the technical field of belt tensioning devices.

The utility model discloses a large-pipe-diameter cutting device for quartz tube machining, and relates to the technical field of quartz tube machining. The device comprises a mounting frame, and a sliding assembly is fixedly mounted at the top end of the mounting frame. The electric push rod is started to drive the supporting plate to move upwards, the supporting plate drives the mounting base to move, the mounting base drives the supporting roller to move, and then a worker places a quartz tube on the surface of the supporting roller, so that the quartz tube can move on the surface of the supporting roller conveniently, and the position of the quartz tube can be adjusted; then the electric push rod is started again to drive the supporting plate to move downwards, the supporting plate is matched with the mounting base to drive the supporting roller to move downwards, then the supporting roller drives the quartz tube on the surface of the supporting roller to move downwards, and therefore the outer surface of the quartz tube makes contact with the outer surfaces of the two sets of nylon wheels; and contact with the surface of the nylon wheel can be avoided, so that labor is saved when the position of the quartz tube is adjusted in cooperation with the supporting roller.

The utility model discloses an automatic winding mechanism for an inductor winding machine, which relates to the technical field of inductor winding machines and comprises a mechanical frame, a starting motor is arranged at the bottom end of the inner side of the mechanical frame, a lateral placement block is arranged on one side of the top end of the mechanical frame, an expansion structure is arranged at the top end of the lateral placement block, and the expansion structure is arranged at the bottom end of the mechanical frame. The automatic winding mechanism comprises a mechanical frame, a winding reel is arranged in the middle of the top end of the mechanical frame, an auxiliary structure is arranged at the upper end of the outer side of the winding reel, a rotating shaft is arranged at the top end of a lateral placement block, a steering plate is arranged at the top end of the rotating shaft, and an expansion structure comprises the steering plate, a steering rod, a threading hole and the rotating shaft. A rotating shaft at the top end of a lateral placement block is rotated, the rotating shaft drives a steering plate to rotate, a copper wire penetrates through a wire penetrating hole in the inner side of the steering plate, then a steering rod is rotated to abut against the outer side of the copper wire, and therefore the tension of the copper wire can be kept when the copper wire is rolled.

The utility model provides synchronous adjusting type road surface cutting equipment which comprises a cutting vehicle body, a linkage adjusting mechanism and a lifting rotating mechanism, a plurality of groups of vertical shaft holes are sequentially formed in a support, a plurality of vertical rotating shafts are installed in the vertical shaft holes in a penetrating mode, a synchronous wheel is installed on each rotating shaft, and a synchronous belt or chain is annularly sleeved on each synchronous wheel. A stepping motor is fixed to the upper side of the support, the lower end of each rotating shaft is connected with a lifting seat through threads, lifting shafts are installed at the lower ends of the lifting seats, bearing seats are installed in vertical sliding grooves in the two side walls of the frame through rails, each lifting shaft is sleeved with the corresponding bearing seat in a penetrating mode, one end of each lifting shaft is provided with an adjustable belt pulley, and the other end of each lifting shaft is provided with a saw blade. The adjacent adjustable belt wheels are in transmission connection through a synchronous belt. According to the road surface cutting device, the problems existing in the aspects of one-time cutting depth, walking speed and cutting efficiency of existing cutting equipment are solved, a road surface is gradually and deeply cut through the multiple saw blades, and the cutting depth of each saw blade can be synchronously adjusted at any time.

The invention discloses a process and equipment for treating filter cloth special for a lithium battery, and relates to the technical field of filter cloth processing, the process for treating the filter cloth special for the lithium battery is achieved through the equipment for treating the filter cloth special for the lithium battery, the equipment for treating the filter cloth special for the lithium battery comprises an ironing plate and a winding roller, and the ironing plate is fixedly arranged at the bottom end of the ironing box; a heating box and a cooling box are sequentially arranged between the ironing plate and the winding roller, a drying assembly and a cooling assembly are arranged in the heating box and the cooling box correspondingly, limiting mechanisms are symmetrically arranged at the upper ends of the first mounting frame, the second mounting frame and the third mounting frame correspondingly, and a balance mechanism is arranged at the upper end of the mounting bottom plate. The filter cloth is subjected to steam ironing, then the filter cloth is heated and then rapidly cooled, it is guaranteed that the filter cloth has certain tension, the temperature of the filter cloth is balanced by arranging the balance mechanism, and the situation that the difference between the temperature of the output filter cloth and the outside is too large, and subsequent processing is affected is prevented.

The utility model discloses a winding mechanism for synthetic leather base cloth, and relates to the technical field of synthetic leather winding. Comprising a base, a fixed plate is fixedly arranged at the top of the base, a linear module is embedded in the top of the base, a movable plate driven by the linear module is movably arranged at the top of the base, and a winding shaft with one end movably penetrating into the movable plate is arranged in the fixed plate; adjusting ring grooves are formed in the opposite faces of the fixed plate and the movable plate, and at least one tensioning mechanism is arranged in each adjusting ring groove. The two sides and the middle of synthetic leather can be tightened through the tensioning shafts, the number of the adjusting seats is not less than one, different positions of the synthetic leather can be tightened, the tensioning shafts on the fixed plate and the movable plate rotate synchronously through the butt joint blocks and the butt joint grooves, the tensioning effect is guaranteed, meanwhile, movement of the movable plate is not affected, and the service life of the synthetic leather is prolonged. The operation mode is simple and fast, economic benefits are met, and the application is wide.