34results about How to "Improve the compaction effect" patented technology

The utility model relates to the field of light curing material processing technology discloses a kind of filtering devices of light curing high viscosity monomer, including support base, the top of support base is provided with support plate, the left side of the top of support base is provided with spiral pressurizing mechanism, the spiral pressurizing mechanism is used to spiral pressure filtration high viscosity monomer to improve filtering effect, the right side of the top of support base is provided with collection mechanism, the top of support plate is provided with filtering mechanism, the right side of filtering mechanism is provided with drainage mechanism, the top of filtering mechanism is provided with temperature control heating mechanism. In the utility model, set up spiral pressurizing mechanism, motor drives screw driving rod, screw pressure plate is axially compact to high viscosity material, left and right side ascending assembly provides orientation, solve the problem that high viscosity material is difficult to filter due to poor flowability, improve the compacting effect of light curing high viscosity monomer, improve filtering efficiency and product purity.

According to the spraying dust removal device capable of leveling the land and used for the construction site, a first leveling mechanism and a second leveling mechanism are arranged, the ground is pressed through a pressing roller ring at the tail of a vehicle plate, vibration pressing boxes compact the two sides of the vehicle plate under the action of a vibration motor, and due to the fact that the two ends of the pressing roller ring and the two vibration pressing boxes are staggered in the range, the two sides of the vehicle plate are tightly pressed; therefore, the road surface can be fully leveled, dust in the air is mixed with water and falls on the ground under the action of the fog gun machine in the reciprocating motion process of the tricycle main body, the purpose of road leveling is achieved through the pressing and compacting action of the pressing roller ring and the vibration box, and the problems that an existing fog gun machine can only carry out dust falling treatment on raised dust, and the road surface cannot be leveled easily are effectively solved. The problems that the road cannot be leveled, dust on the road can be raised repeatedly when the engineering vehicle runs, and dust raising cannot be restrained are solved.

The utility model discloses an air conditioner radiator copper pipe cutting machine which comprises a base, a supporting seat arranged on the right side of the upper end of the base, a mounting frame arranged at the upper end of the supporting seat, a protective cover arranged at the upper end of the mounting frame, a cutting blade arranged on the left side of the upper end of the base and a pressing mechanism. The pressing mechanism comprises fixing rods, an adjusting plate and push plates, the adjusting plate is slidably connected with the inner wall of the protective cover, the push plates are arranged on the left side and the right side of the lower end of the adjusting plate correspondingly, adjusting grooves are formed in the middles of the front ends of the push plates correspondingly, and the fixing rods are arranged on the left side and the right side in the protective cover correspondingly; according to the air conditioner radiator copper pipe cutting machine, the problem that air leakage occurs due to the fact that a pipeline of an air cylinder is damaged is solved, the pressing effect on the air conditioner radiator copper pipe is further improved, and the cutting quality of the air conditioner radiator copper pipe is guaranteed.

This utility model relates to the technical field of soil leveling devices, and in particular to a soil leveling device for landscaping construction. It includes a compaction roller assembly, a control assembly, and a compaction plate assembly. The compaction roller assembly includes a first mounting plate, with a handle fixedly connected to its upper side. In this utility model, through the compaction roller body, compaction plate body, and bulldozing plate, the device can level uneven soil using the bulldozing plate. A pneumatic hammer drives the vertically movable compaction plate body to compact the soil leveled by the bulldozing plate. A drive motor rotates the compaction roller body, allowing the first and second mounting plates to move back and forth. The two compaction roller bodies further compact the soil. This device has a better soil compaction effect and can move stably without creating ruts during movement. It is simple, convenient, time-saving, and labor-saving for operators.

The utility model provides a kind of compaction device for bridge and culvert platform back, including frame body, compaction plate and vibration generating mechanism, compaction plate is slidably installed on frame body along height direction, and vibration generating mechanism is installed on compaction plate;Vibration generating mechanism includes drive source, driving gear, driven gear, pivot and eccentric wheel, drive source is installed on compaction plate, pivot is rotatably connected on compaction plate, driving gear is coaxially fixedly connected with the output end of drive source, driven gear is coaxially fixedly connected on pivot, driving gear is engaged with driven gear, eccentric wheel is eccentrically fixedly connected on pivot.By drive source driving driving gear rotation, driven gear, pivot and eccentric wheel are driven to rotate, and then compaction plate is driven to vibrate strongly to compact ground, compared with the device using gravity to compact has better compaction effect, and the overall volume of device is smaller, and it is convenient to compact bridge platform back and culvert two ends platform back.

The utility model relates to phenolic pressboard clamping technology field especially relates to a kind of quick clamping mechanism of phenolic pressboard annular material, including device seat, the shell is installed on device seat, clamping groove is opened in the shell, clamping plate is movably connected in the clamping groove, mobile block is set on the one end of clamping plate, lower block is movably connected in the clamping plate, synchronous rotating lever is installed in mobile block, the bottom side of synchronous rotating lever is provided with threaded rod, support frame is also installed on the bottom surface of device seat.This scheme, reduce the situation that manual consumption large amount of time is accurately placed in the process of material placement, reduce the possibility that annular object can produce large-scale deformation in clamping process, improve the effect that device is more convenient installation and clamping, also improve the compacting effect to material, can avoid material edge warping in the process of pressing.

The utility model relates to the technical field of packaging bag production equipment, in particular to a packaging bag edge pressing device with a good compaction effect, which comprises two side plates arranged in bilateral symmetry, two first crimping rollers are rotatably connected to the tops of the two side plates in a front-back symmetry manner, and a second crimping roller is rotatably connected to the middle part between the two side plates; according to the multi-point hot-pressing edge sealing device, the hot-pressing mechanism and the crimping rollers are used in cooperation, hot-pressing edge sealing of a packaging bag is achieved, the number of the crimping rollers is three, therefore, the number of hot-pressing contact points of the hot-pressing mechanism and the packaging bag is three, multi-point hot-pressing edge sealing is achieved, the compaction effect is good, the production efficiency is high, and the production cost is low. And through the arrangement of the flattening mechanism, the packaging bag subjected to hot-pressing edge sealing is flattened, the wrinkling condition is avoided, cooling water is conveyed into the pressing plate through the water pump, and the hot-pressed packaging bag is rapidly cooled through the cooling water.

The utility model provides a highway tamping device for highway engineering, which relates to the technical field of highway engineering and comprises a main plate, a support is fixed at the top end of the main plate, a hydraulic push rod is mounted at the bottom end of the support, a first pressing plate is fixed at the output end of the hydraulic push rod, and two ends of the first pressing plate are rotatably connected with rotating shafts. A connecting block is fixed to the outer wall of the rotating shaft, and a second pressing plate matched with the first pressing plate is fixed to the end, away from the rotating shaft, of the connecting block. During tamping, a user rotates two rotating shafts to drive two second pressing plates connected with two connecting blocks to rotate, so that the two second pressing plates can expand the pressing area of a first pressing plate, and the effect of improving overall tamping is achieved; water in the water storage tank can enter the communicating pipe and the water outlet pipe through the water inlet pipe and then is atomized and sprayed out through the atomizing nozzles, and water mist dust falling treatment can be conducted on dust generated by tamping.

The utility model relates to the field of film production, and discloses a film production pressing assembly which comprises a bottom supporting plate used for bottom supporting, supporting frame plates are fixedly connected to the two sides of the top end of the bottom supporting plate, and traction blocks are slidably connected to the two sides of the interior of each supporting frame plate. The interior of the traction block is rotationally connected with an extrusion conveying roller, the front side of the exterior of the extrusion conveying roller is fixedly connected with a first belt disc, the left side of the front end of the supporting frame plate on the front side is fixedly connected with a mounting frame, and the interior of the mounting frame is connected with the first belt disc through a double-rotation driving mechanism; and electric push rods are fixedly connected to the right sides of the interiors of the supporting frame plates correspondingly. According to the thin film extrusion device, the application universality of the device is improved, thin films with different thicknesses can be extruded, the device is rapidly cooled, the exterior of the device is formed, and the final pressing effect of the device is improved.

The utility model discloses an automatic electric welding machine jig which comprises a welding jig plate used for placing a lamp strip, and the lamp strip comprises a first lamp strip part and a second lamp strip part. Side pressing and fixing mechanisms and a strong pressing and fixing mechanism are installed on the two sides of the welding jig plate, the two side pressing and fixing mechanisms are movably installed at the two ends of one side of the upper surface of the welding jig plate correspondingly, the strong pressing and fixing mechanism is located in the middle of the welding jig plate, and a fixing adhesive tape is arranged on one side of the strong pressing and fixing mechanism. The first lamp strip part is fixed to the fixing adhesive tape through a side pressing and fixing mechanism, the second lamp strip part is fixed to the side pressing and fixing mechanism on the other side through a strong pressing and fixing mechanism, and positioning pressing and fixing mechanisms used for positioning and pressing and fixing lamp strips are arranged at the two ends of one side of the welding jig plate. According to the lamp strip welding fixture, the lamp strip can be quickly positioned and stably fixed, and the welding efficiency and the welding quality are greatly improved.

The utility model relates to the technical field of aluminum plate processing, and discloses an aluminum plate processing protective film pasting device which comprises a rack, a film releasing roller is rotatably arranged in the rack, a plurality of rotating rollers are rotatably connected in the rack, an air cylinder is fixedly connected to the top end of the rack, and the air cylinder is fixedly connected to the top end of the rack. An air cylinder is arranged in the rack, a piston rod of the air cylinder extends into the rack and is fixedly connected with a movable frame, a pressing roller is rotatably arranged in the movable frame, two transmission rollers are rotatably connected in the movable frame, aluminum plates are slidably arranged on the roller walls of the multiple transmission rollers at the same time, and a motor is arranged in the movable frame. The piston rod of the air cylinder can flexibly push the movable frame to move downwards to the transmission roller and the pressing roller to be arranged on the surfaces of different aluminum plates in a pressing mode, the adaptability of machining is improved, the film releasing roller can cover the surfaces of the aluminum plates with protective films, film pasting treatment can be carried out, the aluminum plates subjected to film pasting can be pressed through the pressing roller, and the machining efficiency is improved. And the film pasting stability is ensured.

The reliable-sealing food processor comprises an axially-through cup body, a heating disc arranged at an opening in the bottom of the cup body and a cup base arranged below the cup body, the heating disc and the cup base are fixed through screws and clamp the cup body up and down, an outer sealing ring is arranged between the bottom face of the cup body and the cup base, and the outer sealing ring is connected with the cup base. The bottom face of the cup body is provided with a plurality of protruding parts distributed in the circumferential direction of the cup body, and the protruding parts abut against the upper surface of the outer sealing ring and are in interference fit with the upper surface of the outer sealing ring. The convex part on the bottom surface of the cup body is used for extruding the outer sealing ring, the outer sealing ring can be prevented from shifting in the assembling process by increasing the compression amount of the outer sealing ring, and the sealing reliability between the cup body and the cup base is ensured.

The present application belongs to the technical field of road construction equipment, and particularly relates to a curbstone spraying and film covering device and a construction method, which comprises a frame mechanism, a mist spraying mechanism, a protective film raw material sleeve, a traction mechanism, a downward pressing mechanism, a side pressing mechanism and a protective film roll. The traction mechanism comprises a traction roller set and a film bending roller. The axis direction of the traction roller set is vertical, and the traction roller set rotates around its own axis. The downward pressing mechanism and the side pressing mechanism are both installed on the upper end of the frame body. The upper end surface of the curbstone is attached to the protective film extension through the downward pressing mechanism, and the side surface of the curbstone is attached to the protective film extension through the side pressing mechanism. Compared with the prior art, the present application has the advantages and positive effects that the construction is more convenient and fast, only one person is needed to push the handle to perform the construction, the labor cost is saved, the mist spraying mechanism sprays in the form of mist, the water consumption is greatly saved, the laying and compaction of the protective film extension are simultaneously performed, and the laying and compaction effect is good.

This utility model relates to the field of automotive door frame manufacturing technology, and more particularly to an automotive door frame edging device, including a support frame, a mold top for fixing the door frame to be edged, and a rear side for fixing the support frame; a pressure arm with its lower end rotatably mounted on the bottom of the support frame via an eccentric shaft, and its upper end extending into the inner window area of ​​the door frame to be edged, and hinged to the front end of a hinge mechanism, with a pressure knife fixed to the front side of the upper end of the pressure arm; a cylinder hinged to the rear side of the support frame, with its output end hinged to the rear end of the hinge mechanism, the cylinder driving the hinge mechanism to move the pressure arm forward, so that the pressure knife performs a horizontal bending action; a motor fixed to the bottom of the support frame, used to drive the eccentric shaft to move the pressure arm downward, so that the pressure knife performs a vertical compaction action. This utility model provides an automotive door frame edging device, whose pressure knife part can extend into the window of the door frame for edging operations, solving the problem that existing edging devices cannot effectively bend the upper edge of the outer door panel from the inner side of the door frame window.

The utility model relates to an automatic positioning, rolling and laminating device based on sole manufacturing, which comprises a workbench, a placing seat for placing a sole is arranged on the workbench, sliding seats capable of sliding left and right are arranged on the left side and the right side of the placing seat, a plurality of positioning rods are arranged on the two sliding seats along the front-back direction, and the positioning rods are arranged on the left side and the right side of the placing seat. The positioning rods can slide in the left-right direction, an arch-shaped frame slides on the working table front and back, a rolling mechanism used for rolling the shoe sole is arranged on the arch-shaped frame and located above the containing base, and a first driving mechanism and a second driving mechanism are further arranged on the working table. The first driving mechanism is used for driving the two sliding seats to get close to each other inwards or get away from each other outwards, and the second driving mechanism is used for driving the arched frame to move in the front-back direction; after the shoe sole is compacted, the shoe sole can be conveniently taken out, the efficiency is improved, each position of the shoe sole can be rolled, and the compacting effect is good.

The application discloses a fabric wrinkle-removing and shaping processing equipment and belongs to the technical field of fabric processing, and aims to solve the problems of unstable guiding, inconvenient pressure adjusting, uneven ironing, untimely drying and inaccurate winding control of the existing fabric wrinkle-removing and shaping equipment, which leads to poor processing efficiency and quality. Technical scheme points are as follows: the equipment comprises a rack, a fixed plate, a bearing seat II, a driving shaft and a winding roller arranged in the rack, a guiding assembly arranged in the rack, a control cabinet and a servo motor arranged on one side of the rack, a connecting plate, a U-shaped frame and a pressing assembly arranged at one end of the rack, a side plate and two groups of ironing assemblies arranged on one side of the connecting plate, and a hot air blower arranged in the rack. The guiding assembly realizes stable fabric conveying, the pressing assembly can flexibly adjust the pressing strength, the ironing assemblies realize synchronous and uniform ironing, the hot air blower dries the ironed fabric, and the servo motor accurately controls the winding speed. The equipment realizes integrated fabric processing, is suitable for various fabrics, and improves the processing efficiency and wrinkle-removing and shaping quality.

The utility model discloses a forage crushing mill for horse breeding, which comprises a crushing box, one side of the crushing box is provided with a feed inlet, the lower part of the interior of the crushing box is provided with a material conveying belt, the two ends of the interior of the material conveying belt are respectively and symmetrically provided with belt rollers I, the two belt rollers I are both rotatably connected with the crushing box, and the two belt rollers I are connected with the crushing box. A material pressing conveying belt is arranged above the material conveying belt, a second belt roller is arranged on one side in the material pressing conveying belt, a first guide roller is arranged in the material pressing conveying belt along one side of the second belt roller, and a second guide roller is arranged in the material pressing conveying belt along the upper portion of one side of the first guide roller. The second belt roller, the first guide roller and the second guide roller are all rotationally connected with the crushing box. According to the forage crushing device, the stable forage crushing capacity is achieved, practicability is improved, and therefore the problems that in the forage crushing process, forage is prone to sliding or splashing due to loosening, feeding is uneven, and stable forage crushing is not convenient are solved.

The utility model relates to the field of rotary milling machines, in particular to a vertical adjusting mechanism for an enveloping worm rotary milling machine, which comprises an upright post, a support plate fixed on the top surface of the upright post, an oil cylinder fixed on the support plate, a sliding seat fixed at the end part of a piston rod of the oil cylinder, a tailstock fixed on the sliding seat and a tailstock fixed on the tailstock, the bottom end of the tailstock is rotationally connected with a rotating rod, a connecting part is fixed to the bottom end of the rotating rod, a plurality of elastic metal sheets are distributed on the top face of the connecting part at equal intervals, a gap is reserved between every two adjacent elastic metal sheets, and the elastic metal sheets are gradually expanded outwards from bottom to top. Through the arrangement of the elastic metal sheet and the like, on one hand, the pressing effect is improved, and the damage to the pressed place is greatly reduced due to the increase of the pressing area; on the other hand, the friction force between the elastic metal sheets and the inner wall of the insertion hole is greatly increased, and the stability of the cutter head in the high-strength machining process of the worm through the cutter head is guaranteed.

The invention relates to the technical field of waste gas treatment and waste heat recycling, and discloses a waste heat recycling system for treatment of packaging bag printing waste gas. The thermal incinerator is used for treating VOCs waste gas, the hot water heat exchanger is connected with high-temperature flue gas of the thermal incinerator in a heat exchange mode, and the circulating water pipe network is communicated with the water side of the hot water heat exchanger and used for conveying hot water to the hot end for printing equipment. A heat preservation structure is arranged on the periphery of the discharging pipe; the heat preservation structure comprises a heat preservation layer arranged on the outer side of the discharging pipe and an outer protection layer arranged on the outer side of the heat preservation layer, and the heat preservation layer comprises a heat preservation coating formed by coating a heat insulation and preservation material; the outer protective layer comprises a straight-section outer protective pipe and a bent-section outer protective pipe, and a sealing structure for connecting the straight-section outer protective pipe and the bent-section outer protective pipe is arranged between the straight-section outer protective pipe and the bent-section outer protective pipe.

The utility model discloses a fabric stretching testing device, which comprises a base, a stretching mechanism and a clamping mechanism, the stretching mechanism is positioned on the base and comprises a fixed seat, a movable seat and a driving piece, and the driving piece is used for driving the movable seat to move towards or away from the fixed seat. The clamping mechanism comprises two clamping assemblies which are arranged on the fixed seat and the movable seat respectively, each clamping assembly comprises a clamping rack, a winding shaft, a pressing block and a locking piece, and the winding shafts are rotationally arranged on the clamping racks; the pressing block is located on the winding shaft and used for pressing the fabric on the winding shaft. The locking piece is used for locking the winding shaft on the clamping rack so as to restrain rotation of the winding shaft. According to the utility model, the problem of fabric slipping in the testing process can be effectively avoided.

The utility model provides an automobile covering part forming die which comprises a base, four supporting columns, a top supporting plate and an electric hydraulic cylinder, the four supporting columns are fixed on the periphery of the upper surface of the base, the top supporting plate is fixed on the tops of the supporting columns, a lower die is further arranged on the base, a die cavity is formed in the lower die, and the electric hydraulic cylinder is arranged in the die cavity. A die holder is arranged in the die cavity; two telescopic rods are symmetrically arranged at the output end of the electric hydraulic cylinder, the telescopic rods penetrate through the top supporting plate, a mounting plate is arranged at the tail ends of the telescopic rods, an upper mold is arranged at the lower end of the mounting plate, and pressing devices are symmetrically arranged on the two sides of the upper mold. The pressing device is used for pressing a workpiece in the stamping process, the workpiece can be tightly pressed on the lower die in the stamping process by arranging the pressing device, the workpiece is effectively prevented from moving, the forming precision of the automobile covering part is greatly improved, and the product quality is guaranteed.

The utility model discloses an efficient rubber cutting machine and belongs to the technical field of rubber production, the efficient rubber cutting machine comprises a base, a conveying groove is formed in the top of the base, a plurality of sets of conveying rollers are rotationally connected into the conveying groove, a supporting mechanism is arranged above the base, the supporting mechanism comprises two sets of stand columns, and the two sets of stand columns are located on the two sides of the base; a cross beam is arranged between the two sets of stand columns, a cutting mechanism is arranged at the top of the supporting mechanism and comprises a hydraulic oil cylinder, the telescopic end of the hydraulic oil cylinder penetrates through the cross beam to be provided with a supporting frame, a cutter is arranged at the bottom of the supporting frame, and abutting mechanisms are arranged on the front side and the rear side of the supporting frame. When the rubber cutting device is used, the pressing effect can be improved during continuous cutting of a cutting knife, the phenomenon that rubber possibly deviates during cutting can be effectively prevented, the stability during cutting can be further improved, the cutting quality is ensured, and the practicability of the device is improved.

The utility model provides a combined highway subgrade gravel pile and relates to the technical field of CN214194485U. The combined highway subgrade gravel pile comprises a vibroflot main body and a flange, convex teeth are arranged on the surface of the vibroflot main body, the vibroflot main body and the convex teeth are connected in a welding mode, a centrifugal shaft main body is arranged at the bottom of the vibroflot main body, and the vibroflot main body and the centrifugal shaft main body are connected in a tight sliding mode. The spiral blades are arranged on the surface of the centrifugal shaft body, the centrifugal shaft body and the spiral blades are connected in a seamless welding mode, the six-edge plum blossom-shaped structure is adopted for the head of the guide rod, the vibroflotation blades are additionally arranged, and the spiral blades are arranged on the surface of the centrifugal shaft body, so that the comprehensive performance is improved, the adaptability is enhanced, and the centrifugal shaft is suitable for viscous or water-containing soil layers; the failure rate is reduced through structure optimization, efficient hole forming, continuous dumping and stable vibration are achieved through cooperation of the mechanical advantages of the six-edge structure, the crushing capacity of the vibroflotation blades and the dumping function of the spiral blades, and the six-edge vibroflotation machine is particularly suitable for engineering construction under the complex geological condition.

This invention relates to the field of equipment hoisting and relocation construction technology, and particularly to a clamping device and a lifting tool. The clamping device includes a mounting base, a linkage mechanism, a transition mechanism, and a pressure block mechanism that are hinged sequentially. The linkage mechanism is hinged to a telescopic mechanism. The mounting base can be adapted to connect to a slot mechanism, which includes a slot for holding the mounting base, and the mounting base can slide along the slot. During the movement and lifting process, the pressure block mechanism can maintain its structural stability through gravity, keeping its bottom plane relatively horizontal and avoiding a large angle between it and the hoisted equipment. This allows for better contact with the hoisted equipment. Simultaneously, the mounting base can move through the slot mechanism, changing the relative position of the clamping device and the hoisted equipment, enabling the pressure block mechanism to press onto a designated area. This adapts the clamping device to the shape and structure of the hoisted equipment, and the position adjustment is convenient, improving the clamping effect and efficiency.

This application discloses a wire fixing clamp, including an upper pressure plate, a first clamping plate, and a second clamping plate. One end of the first clamping plate is hinged to one end of the second clamping plate. A first rod is hinged to one end of the upper pressure plate, and the free end of the first rod is vertically disposed at the hinge point between the first and second clamping plates. A locking part is provided at the other end of the upper pressure plate. An adjustment groove is provided at the free end of the first clamping plate, and a second rod that mates with the adjustment groove is hinged to the free end of the second clamping plate. A locking element that mates with the locking part is provided at the free end of the second rod. Therefore, this invention provides a compact and portable wire fixing clamp. The integrated clamp design eliminates concerns about parts falling off during use at heights. The clamping diameters of the first and second clamping plates are adjustable, and only one end of the upper pressure plate needs to be adjusted during clamping, eliminating the need to tighten both ends simultaneously.

The application relates to the technical field of asphalt pavement, and discloses a novel pavement structure based on high-bearing flexible regenerated asphalt pavement, which comprises a tamped bottom layer, the top of the tamped bottom layer is provided with a gravel layer, the top of the gravel layer is provided with a regenerated asphalt layer, and the top of the regenerated asphalt layer is provided with an asphalt surface layer. The novel pavement structure based on the high-bearing flexible regenerated asphalt pavement has the advantages that the tamped bottom layer ensures good compaction effect and stability, the bearing capacity of the pavement bottom is increased in cooperation with the gravel layer, under the action of vehicle load, impact energy is first absorbed by the asphalt surface layer, load stress is dispersed through elastic deformation, the regenerated asphalt layer of the middle layer further disperses the load through the synergistic effect of the tamped bottom layer and the gravel layer, stress concentration is prevented, the waterproof layer can be used for preventing water penetration, the tamped bottom layer provides overall support through its rigidity and stability, and the long-term stability of the pavement is ensured.

The improved pressure pad structure of the optical fiber cutting knife comprises an upper pressure pad and a lower pressure pad, each of the upper pressure pad and the lower pressure pad comprises a pressure pad base and a rubber pad, the pressure pad bases are provided with positioning grooves, the rubber pads are located on the positioning grooves, the end face parts of the rubber pads are arc-shaped, and the arc-shaped end face parts of the upper pressure pad and the lower pressure pad are matched with each other. The beneficial effects of the utility model are that: 1, the pressure pad adopts the parabolic cambered surface, the curvature enables the contact points of the optical fiber and the cambered surface to be increased, and the effective friction area is increased, so that the optical fiber is clamped more tightly; 2, when rubber is aged to generate salient points, the upper pressure pad and the lower pressure pad are cambered surfaces and are staggered up and down, so that the optical fiber can be compressed, the influence of the salient points can be filtered out, and the compression effect of long-term use is improved; and 3, when small objects exist on the rubber surface, the optical fiber pressing effect is not influenced.

The aluminum wire winding machine comprises a mounting base, a supporting frame is fixedly mounted on the outer side of the upper end of the mounting base, an electric sliding rail is arranged on the inner side of the front end of the mounting frame, a mounting through groove is formed in the front wall end of the mounting frame in a penetrating mode, and a connecting plate located at the front end of the inner side of the supporting frame is connected to the inner side of the front end of the electric sliding rail; a first driving motor is arranged on the outer side of the upper end of the connecting plate; the first transmission rod is mounted at the output end of the first driving motor, a winding drum is connected to the outer side of the lower end of the first transmission rod, a supporting rod located in the middle of the upper end of the mounting base is connected to the outer side of the lower end of the winding drum, a mounting block is arranged on the right side of the lower end face of the connecting plate, and a connecting assembly is mounted in the mounting block through a hinge. The aluminum wire winding machine has a good compaction function on aluminum wires during winding, so that the aluminum wires are compactly wound, and meanwhile, the compaction assembly and the winding barrel are conveniently separated while coil unloading work is carried out.

The application relates to the technical field of hydraulic engineering construction, and discloses a novel tamping device for earth-rock cofferdam construction and a use method, which comprises a mounting frame and a control module, the inner bottom wall of the mounting frame is provided with a tamping mechanism and a crushing mechanism, and the bottom of the mounting frame is provided with a supporting mechanism; the crushing mechanism comprises a lifting motor fixedly installed on the inner bottom wall of the mounting frame, a threaded rod is fixedly installed at the output shaft of the lifting motor, a threaded sleeve is threadedly connected to the outer surface of the threaded rod, a moving plate is fixedly installed at the bottom of the threaded sleeve, and an extension rod is fixedly installed between the top of the moving plate and the inner bottom wall of the mounting frame. In the application, the distance of reaching the hard block and the size of the hard block are analyzed in real time by an ultrasonic ranging sensor and a microwave sensor and are fed back to a controller, the controller sends corresponding instructions to adjust the depth of the crushing roller, and the rotating speed of the crushing motor is adjusted, so that the hard blocks of different sizes are conveniently processed, and the tamping effect and engineering quality are improved.

The utility model provides a crosscutting line side shear intermediate compression roller device, including connecting subassembly, hydrocylinder, transmission subassembly and compression roller subassembly, connecting subassembly includes connecting portion and support portion, transmission subassembly includes rotating end, input end and output end, rotating end with connecting portion bottom end hinge joint, input end with hydrocylinder drive end hinge joint, and output end with connecting portion bottom end hinge joint. The compression roller assembly comprises a connecting block and at least two compression rollers arranged side by side, the connecting block is connected with the output end, the compression rollers are connected to the connecting block, and the bottoms of the compression rollers are used for pressing the steel plate. The hydraulic cylinder is matched with the transmission assembly to drive the compression roller assembly to achieve the pressing effect, acting force is increased, the stability of a steel plate during edge cutting is improved, the edge cutting quality is improved, different end portions of the transmission assembly can change the length of a force arm acting on a fulcrum, and therefore the direct acting force of the hydraulic cylinder is improved, and the situation that the steel plate is crushed due to the too large acting force is avoided. And meanwhile, the compression roller assembly adopts a plurality of compression rollers, so that the contact area can be increased, and the compression effect is further improved.