142results about How to "Improve smoothing effect" patented technology

The invention discloses a troweling machine which comprises a chassis, a driving seat arranged on the chassis, an engine mounted on the chassis, troweling piece mechanisms mounted on the two sides of the chassis and symmetrically arranged with the central line of the driving seat as the axis and a transmission mechanism connected between the engine and the troweling piece mechanisms. The troweling piece mechanisms are both connected with mounting bases which are rotatably connected to the chassis; rotation shafts of the mounting bases are perpendicular to a connection line between the two mounting bases; the mounting bases are both connected with swinging rods; straight-travelling oil cylinders in one to one correspondence with the swinging rods are hinged to the chassis; piston rods of the straight-travelling oil cylinders are hinged to the ends, away from the mounting bases, of the swinging rods; the driving seat is provided with operation handles in one to one correspondence with the straight-travelling oil cylinders; the chassis is provided with a hydraulic oil tank communicating with the straight-travelling oil cylinders; and the operation handles control the straight-travelling oil cylinders to conduct oil inlet or oil outlet. The troweling machine can relieve the labor intensity.

The invention relates to an environment-friendly ecological concrete slope full-automatic construction robot for ecological remediation. The robot comprises a supporting device, a filling device and aspraying device. The supporting device comprises a supporting bottom plate and universal wheels, and the universal wheels are symmetrically mounted at the bottom of the supporting bottom plate. The filling device is mounted at the top of the right end of the supporting bottom plate, and the coating device is mounted on the upper end face of the left side of the supporting bottom plate. The filling device comprise a filling telescopic column, a filling supporting plate, a filling push rod, a filling movable block, a supporting mechanism, a stirring barrel, a discharging push rod, a dischargingpipe, a slush pump, a pipe buckle, a filling bottom rod, a filling side rod and a filling side plate. According to the environment-friendly ecological concrete slope full-automatic construction robot, the problems that during existing ecological concrete construction, supporting cannot be achieved during slip casting at a concave position, leakage is serous when slip casting is carried out at theconcave position, the slope needs to be subjected to manual whitewashing, the whitewashing effect is poor, and the slope cannot be subjected to whitewashing of the specified thickness can be solved.

The invention relates to a windshield of an automobile, belonging to the technical field of the matching of automobiles. The prior windshield of the automobile not only has poor effects of sound insulation and heat preservation, but also does not have a sunlight shading function yet, and the aging of facilities in the automobile is greatly quickened by the irradiation of sunlight when parking. The invention aims to solve the three problems. The windshield of the automobile has a double-glass structure, and a glass support point can be placed between layers under the condition that the visual line is not influenced, so as to increase the strength of the windshield and keep the stability of a relative space between two pieces of glass; the peripheries of two layers of glass are connected into a whole, so that the whole two layers of glass form a hollow closed type container. Components matched with the two layers of glass comprise an upper pipeline, a lower pipeline, a filtration core, a hydraulic pump, a liquid storage tank, a valve and the like.

The invention discloses a smoothing robot. The smoothing robot comprises a traveling vehicle and a smoothing and slurry supplement mechanism, the traveling vehicle comprises a vehicle body and drivingwheels arranged on the vehicle body, the driving wheels are driven by a moving motor to rotate, the smoothing and slurry supplement mechanism is arranged on the traveling vehicle to travel driven bythe traveling vehicle and used on the substrate surface which needs to be smoothed, and when the substrate surface is smoothed, slurry of the smoothing and slurry supplement mechanism can be automatically supplemented. According to the smoothing robot, manpower can be saved, the work efficiency is high, and the smoothing effect of the substrate surface is good.

The invention discloses a scraping device of a floating robot and the floating robot. The scraping device comprises a supporting part, a lifting board, a driving part and a scraper assembly, wherein the lifting board can go up and down relative to the supporting part; one end of the driving part is connected onto the supporting part, and the other end of the driving part is connected onto the lifting board; the scraper assembly is arranged on the lifting board, and the bottom part of the scraper assembly is provided with a scraping bar; and the driving part is capable of driving the lifting board to go down so as to make the scraping bar of the scraper assembly touch the to-be-constructed surface of concrete. According to the scraping device, by installing the scraper assembly, the surfaceof initially set concrete can be broken in the construction process of the floating robot, and the mud extracting and floating effect of the floating robot is promoted; moreover, the scraper assemblyis driven by the driving part to go up and down, so that the scraper assembly is more flexible to use, and simpler and more convenient to operate, so that the automation degree of the whole device isimproved.

The invention discloses a troweling machine which comprises a chassis, a driving seat arranged on the chassis, an engine mounted on the chassis, troweling piece mechanisms mounted on the two sides of the chassis and symmetrically arranged with the central line of the driving seat as the axis and a transmission mechanism connected between the engine and the troweling piece mechanisms. The troweling piece mechanisms are both connected with mounting bases which are rotatably connected to the chassis; rotation shafts of the mounting bases are perpendicular to a connection line between the two mounting bases; the mounting bases are both connected with swinging rods; straight-travelling oil cylinders in one to one correspondence with the swinging rods are hinged to the chassis; piston rods of the straight-travelling oil cylinders are hinged to the ends, away from the mounting bases, of the swinging rods; the driving seat is provided with operation handles in one to one correspondence with the straight-travelling oil cylinders; the chassis is provided with a hydraulic oil tank communicating with the straight-travelling oil cylinders; and the operation handles control the straight-travelling oil cylinders to conduct oil inlet or oil outlet. The troweling machine can relieve the labor intensity.

The invention relates to medicinal plant essence containing a lactobacillus ferment lysate as well as a preparation method and application of the medicinal plant essence. The essence is prepared fromthe following active components by weight percent: 1.0-3.0% of the lactobacillus ferment lysate, 1.0-3.0% of a unibract fritillary bulb extract, 1.0-3.0% of a rhizoma typhonii extract, 1.0-3.0% of a rhizoma pinelliae extract as well as the balance of auxiliary materials and deionized water. The medicinal plant essence can effectively cope with acne inflammation and purulence which are caused by pore blockage due to exuberant skin oil secretion so as to prevent irregular acne marks from being left, and has an obvious effect on smoothing of the acne marks generated by skin acnes; hydrogen gas produced by electrolysis of water according to the principle of a hydrogen injection cosmetic instrument is injected into the materials of essence in a matching way; through a test of a dissolved hydrogen detector, the ability of the active components permeating into the hair follicle channel is found to be strengthened if the hydrogen gas stays in the materials of the essence for a longer time, andthe effect of the active components on smoothing the acne marks is accordingly improved.

The invention discloses an automatic flush polishing machining device for a plate. Due to sliding of an electric cylinder sliding block, the plate is driven to move in the direction of a linear electric cylinder guide rail, when the plate is moved to the bottom end of a second drive mechanism, the second drive mechanism and a flush polishing mechanism are driven, and the plate can be polished in the direction of a first sliding way. After polishing, the electric cylinder sliding block continuously drives the plate on a bottom plate to move in the direction of the linear electric cylinder guiderail, when the plate is moved to the bottom of a third driving mechanism, the third driving mechanism and the flush polishing mechanism are driven, the plate can be polished in the direction of a second sliding way, repeated and multi-time polishing of the plate can be achieved in the transverse direction and the vertical direction, the flush polishing efficiency is high, the flush polishing effect is good, high-efficiency work is completed under the limited cost, and the device is suitable for real production; and meanwhile, a clamping mechanism is designed in the device, a handle is rotatedso as to drive a screw rod to be fed to conduct clamping and fixing on the plate arranged between second supporting plates, position deflection caused during flush polishing is prevented, and the machining quality is ensured to a certain degree.

The invention relates to an automatic cloth spreading machine and a cloth wrinkle flattening method, and belongs to the technical field of cloth spreading machines. The automatic cloth spreading machine comprises an operating platform, a cloth spreading machine body and a flattening device; the flattening device comprises a pressing mechanism, a driving mechanism, a first infrared sensor and a second infrared sensor; the pressing mechanism comprises a first mounting rod, a second mounting rod, a connecting partition plate, a first diversion rod with a U-shaped cross section, a first air outletpipe fixedly arranged in the first diversion rod, a plurality of first air outlet nozzles, a second diversion rod with a U-shaped cross section, a second air outlet pipe fixedly arranged in the second diversion rod, a plurality of second air outlet nozzles, and a blower used for ventilating the first air outlet pipe and the second air outlet pipe; and the included angles, far away from the clothspreading machine body, between the first diversion rod and the connecting partition plate as well as between the second diversion rod and the connecting partition plate are larger than 0-90 DEG. According to the automatic cloth spreading machine, cloth is spread on the operating platform smoothly, and the using stability of the automatic cloth spreading machine is improved.

The invention relates to a troweling device and a troweling robot. The troweling device comprises a troweling disc mechanism and a press polishing mechanism. The troweling disc mechanism comprises a troweling disc frame and a troweling disc body detachably arranged on the troweling disc frame, and the troweling disc body is used for performing rotary troweling operation on concrete ground. The press polishing mechanism comprises a lifting press assembly arranged on the troweling disc mechanism and a trowel rotatably connected with the lifting press assembly, and the lifting press assembly is used for driving the trowel to rotate to the position above the troweling disc body and be in clearance fit with the concrete ground, or driving the trowel to rotate to be in contact with the concreteground and perform press polishing operation. The troweling disc body rotates at a high speed, and can quickly trowel the concrete ground, and the flatness and smoothness of the troweling of the concrete ground are guaranteed. The trowel can perform press polishing operation on the concrete ground, ensures reliable compaction of the concrete, eliminates the defects of bubbles, gaps and the like, ensures high compaction degree, further flattens the surface, and ensures that the concrete ground has an excellent troweling effect.

The invention relates to a track smoothing method, wherein the latest estimated displacement is processed according to the smoothing displacements which is previously output and is of a preset number; the method comprises the following steps: accumulating the smoothing displacements which is previously output and is a preset number to form an accumulative displacement and record a former smoothing displacement; estimating the latest displacement; forming a digital filter according to the accumulative displacement, the former output smoothing displacement and the latest displacement; processing the latest displacement by the digital filter to generate the latest smoothing displacement; and transmitting the latest smoothing displacement to an image display. The invention further provides a navigation device with smooth track.

The invention relates to a drainage pipeline inner wall mortar coating machine and a use method thereof. The drainage pipeline inner wall mortar coating machine comprises a mortar delivery power assembly, a walking power assembly, a mortar jet power assembly and a mortar screeding power assembly; the mortar delivery power assembly comprises a mortar delivery rod, a first driving part used for driving the mortar delivery rod to rotate and a mortar storage cylinder assembly; the walking power assembly comprises a front rack, a back rack, a front wheel set, a back wheel set and a second driving part used for driving the front wheel set and the back wheel set to walk; the mortar jet power assembly comprises a mortar jet power source assembly used for pressurizing mortar in the mortar storage cylinder assembly and transporting the mortar to the mortar screeding power assembly; and the mortar screeding power assembly comprises a plurality of troweling rods, troweling pieces arranged at two ends of the troweling rods and a mortar screeding driving assembly. The drainage pipeline inner wall mortar coating machine and the use method thereof have the advantages that the structure is designedreasonably, the operation and use are convenient, the spraying effect is good, the working efficiency is high, the material drawing is convenient, economic and reasonable, the automation and intelligence degree is high, and the drainage pipeline inner wall mortar coating machine is further operated and used in small underground space.

The invention discloses a simple concrete wall surface trowelling machine comprising the following structures: a transverse track; a vertical track capable of sliding left and right in the transverse track; a mobile rack including a rack body and a plurality of first roller wheels, wherein the plurality of first roller wheels are respectively arranged on two sides of the rack body, and the first roller wheels can reciprocate and elevate in the vertical track; a trowelling device comprising a trowelling plate and a push mechanism, wherein the push mechanism is arranged on the rack body, the trowelling plate is arranged in the front end of the push mechanism, and the push mechanism can drive the trowelling plate to move back and forth; a lifting device arranged on the top of the vertical track, and the lifting device can drive the mobile rack to reciprocate and elevate in the vertical track. The lifting device can drive the trowelling device to reciprocate and elevate on the wall surface, thus trowelling the wall surface, and reducing the personnel working intensity; the trowelling device can move left and right along the vertical track, thus improving the wall surface evenness and smoothness.

The invention relates to a trowelling device, in particular to a trowelling device for repairing petroleum asphalt pavement. The invention aims at providing the trowelling device, which is time-saving, labor-saving and good in trowelling effect, and enables the pavement to be flat and not to influence the subsequent use, for repairing the petroleum asphalt pavement. The trowelling device, providedby the invention, for repairing the petroleum asphalt pavement comprises a bottom plate, and the like, wherein a through hole is formed in the middle of the bottom plate; vertical plates are symmetrically installed at the left side and the right side of the top of the bottom plate; a top plate is installed between the tops of the vertical plates which are respectively arranged at the left side and the right side; a lifting device is arranged between the bottom of the top plate and the inner side faces of the vertical plates which are respectively arranged at the left side and the right side;a trowelling device body is arranged on the lifting device and is positioned just above the through hole. An operator can more conveniently move the trowelling device for repairing the petroleum asphalt pavement by means of a guide device; due to the arrangement of a transmission device, the operator does not need to twist a second screw rod to enable universal wheels to move up and down; therefore, the effects of saving time and labor, being good in trowelling effect, and enabling the pavement to be flat and not to influence the subsequent use are achieved.

The invention discloses a point cloud smooth fairing filtering method based on a normal vector. The method comprises steps of firstly, removing outliers of an original point cloud; carrying out principal component analysis on the discrete point cloud set to deduce the normal vector of each point, and adjusting the normal vectors of all the points to be in the same direction; fitting a plane for each point by using a least square method through K neighbors of the point, obtaining a normal vector of the point through a plane model, and adjusting the normal vector to be in the same direction; correcting the normal vector calculated in the first step by utilizing the normal vector of the fitting plane; and finally, projecting the point to the fitting plane along the direction of the correctednormal vector, i.e., adjusting the position of the point to the intersection position of the corrected normal vector and the fitting plane so as to achieve an effect of carrying out smooth fairing processing on the point cloud. The method is easy to implement, the smooth fairing effect is obvious, the original point cloud is filtered to lay a foundation for triangularization of subsequent point cloud data and generation of DEM, and the method is suitable for fairing and smoothing the original point cloud data and is high in practical value.

The invention relates to a batten grinding device which comprises a frame. L-shaped edges are arranged at the left end and the right end of the frame, a through tank is arranged on the lower end face of the frame, the front side and the rear side of the upper end face of the frame are each provided with a vibration motor, a thrust bearing coaxial with a center through hole is fixed to the center of the upper end face of the frame, a first conical gear is arranged above the thrush bearing, the upper end face of the frame is provided with a second conical gear matched with the first conical gear, a grinding disc is fixed to the lower end of a gear shaft, an air cylinder is fixed to the rear end of the frame, a shovel plate is fixed to one end of the air cylinder, the left side and the right side of the front end of the frame are each provided with a spring support, push frames are arranged at the front ends of the spring supports, and each push frame is connected with a bent plate in a hinged mode. The surface of a cement partition board semi-finished product is ground many times through the shovel plate, the grinding disc and the bent plates, the vibration motors enable high-density particulate matter to sink in the cement partition board semi-finished product, and concave pits are prevented from being formed in the cement partition board semi-finished product.

The invention discloses intelligent fabric winding equipment with a fabric flattening function. The intelligent fabric winding equipment comprises a transportation mechanism and an intelligent fabric flattening and transporting system, and is characterized in that the transportation mechanism comprises a bracket, a treatment box is arranged at the rear half part of the upper part of the bracket, the treatment box comprises a front panel, a display screen is installed on the left side face of the treatment box, a first pressing roller is arranged on the left side of the treatment box, a plurality of induction bags are arranged on the surface of the first pressing roller, a first rotating shaft is arranged in the middle of the first pressing roller, a first motor is arranged at one end of the first pressing roller, the first rotating shaft is fixedly connected with a rotating shaft of the first motor, a first sliding rail is arranged in the front panel, a movable bearing is slidably connected into the first sliding rail, and the movable bearing comprises an outer ring, an inner ring and balls. The intelligent fabric winding equipment has the advantages of being high in practicability and capable of automatically conducting different grades of treatment on the basis of fabric textures and wrinkle degrees so as to enhance the flattening effect.

The invention discloses plywood slit filling putty. The plywood slit filling putty is prepared from the following main raw materials in parts by weight: 6-14 parts of bentonite, 1-5 parts of a pigment, 11-17 parts of a zinc stearate emulsion, 4-11 parts of a thickening agent, 9-16 parts of urea-formaldehyde glue, 3-6 parts of a defoamer, 3-6 parts of nanometer zinc oxide, 8-13 parts of titanium dioxide, 5-9 parts of petroleum coke powder, 4-7 parts of a dispersing agent, 2-5 parts of attapulgite, 5-10 parts of seaweed gel, 1-3 parts of polyvinyl alcohol, 9-17 parts of mung bean starch, 1-5 parts of tributyl phosphate and 4-7 parts of hydroxymethyl cellulose. The plywood slit filling putty is used for filling slits after hot rolling of a plywood, is unlikely to collapse, is good in smoothening effect and high in strength, is unlikely to shed off, and is good in product performance, simple in preparation process and low in cost.

The invention relates to a cement leveling vehicle, in particular to a cement leveling vehicle for road construction. The invention aims at solving a technical problem of providing a cement leveling vehicle for road construction, so that cement paste does not need to be manually compacted and leveled by workers. In order to solve the technical problem, the cement leveling vehicle for road construction provided by the invention comprises a bottom plate of which one side of the top is connected with a hand lever, two connecting frames connected to the top, close to the hand lever, of the bottomplate, a double-shaft servo motor mounted at the top, far away from the connecting frame, of the bottom plate, a flattening mechanism being installed at the bottom of the bottom plate and being in transmission connection with the double-shaft servo motor, and a leveling mechanism installed between the connecting frames and being in transmission connection with the flattening mechanism. The polygonal pressing barrel rotates clockwise to compact cement paste, and the leveling plate reciprocates front and back to level the cement paste.

The invention relates to an automatic spreading machine stable in use and a cloth leveling method, and belongs to the technical field of spreading machines. The automatic spreading machine comprises acloth laying frame. The cloth laying frame comprises an operating platform and supporting vertical columns. A spreading machine body is arranged on the operating platform, and a leveling device is arranged at the discharge end of the spreading machine body. The leveling device comprises a pressing mechanism and a driving mechanism. A first infrared sensor is fixedly arranged on the driving mechanism, and a second infrared sensor is fixedly arranged on the pressing mechanism. The pressing mechanism comprises a first mounting rod, a second mounting rod, a first fixing rod and a second fixing rod, wherein the first mounting rod and the second mounting rod are arranged on the two sides of the operating platform, and the first fixing rod and the second fixing rod are arranged between the firstmounting rod and the second mounting rod. The first fixing rod and the second fixing rod are inclined in the length direction of the operating platform, and the included angle formed between the first fixing rod and the second fixing rod and away from the spreading machine body is larger than 0 and smaller than 180 degrees. According to the automatic spreading machine stable in use, cloth is flatlaid on the operating platform, and the use stability of the automatic spreading machine is improved.

The invention discloses a plastic bag production device with plastic bag smoothening function. The device structurally comprises a conveyor belt mounting groove, supporting feet, a base, a housing, aplastic bag smoothening device and conveyor belt speed adjusting knobs, wherein the conveyor belt mounting groove is formed in the center of a panel on the top part of the base and passes through thepanel on the top part of the base; two supporting feet are symmetrically mounted at the bottom part of the base and are fixedly connected to the base; the housing is arranged above the base in a mechanical welding manner; the plastic bag smoothening device is mounted in the housing; two conveyor belt speed adjusting knobs are symmetrically mounted on a front panel of the base. According to the device, the smoothening device, a driving device and a plastic bag adhering device act together to synchronously smoothen the upper surface and the lower surface of a plastic bag; the smoothening efficiency is high, and moreover, the smoothening effect is good; and the convenience of using in later period is ensured.

The invention discloses a cold light source cutting device for processing a light-resistant screen, and belongs to the technical field of light-resistant screens. The cold light source cutting devicecomprises a base, wherein a first side plate base is fixedly connected to the top of the base, a first bearing is clamped on the side surface of the first side plate base, and an adapter shaft is sleeved with the first bearing. According to the cold light source cutting device for processing the light-resistant screen, under the mutual cooperation of the designed structures such as a first hot ironing roller, a second hot ironing roller, a cold ironing roller, a pressing plate, a supporting spring, a lifting base, a connecting sleeve, toothed plates, a gear and a connecting frame, a certain pulling effect can be achieved on a to-be-cut light-resistant screen flatly laid on the base, it can be avoided that a cut part deforms under heat and affects the flatness of a non-cut part, it can be avoided that the to-be-cut light-resistant screen deforms under instantaneous overhigh heat when the to-be-cut light-resistant screen is subjected to the action of a cold light source laser cutter, theflatness of the cut part of the cut light-resistant screen can be ensured, and the stability of the light-resistant screen is rapidly stabilized by utilizing cold ironing.

The invention discloses a flattening device special for cardiogram paper. The flattening device comprises a box. The upper end inside the box is fixedly connected with a supporting pipe, the interiorof the supporting pipe is slidably connected with a supporting rod, the upper end of the supporting rod is fixedly connected with a first spring, and the end, away from the supporting rod, of the first spring is fixedly connected with a transverse rod; the upper end of the box is in threaded connection with a lead screw through a threaded hole, and one end of the lead screw penetrates through thethreaded hole and is rotationally connected with the rod wall of the transverse rod through a rolling bearing; and the end, away from the first spring, of the supporting rod extends to the exterior ofthe supporting pipe and is fixedly connected with a transverse plate, the left side of the lower end of the transverse plate is fixedly connected with a flattening roller, the right side of the lowerend of the transverse plate is rotationally connected with two baffles through rotating shafts, and the same second spring is fixedly connected between the opposite sides of the two baffles. The flattening device can flatten raw material paper rapidly and effectively, the raw material paper is protected when flattened, and meanwhile, chippings and impurities on the raw material paper can also becleared.

The invention discloses a repairing and processing method for corrosion expansion type breakage of bridge member reinforcing bars. The repairing and processing method comprises the following steps of cleaning breakages, removing corrosion on the reinforcing bars, performing interface spraying, coating mortar, performing rough screeding, coating a film, and performing fine screeding. According to the repairing and processing method disclosed by the invention, the polymer mortar is adopted to process the corrosion expansion type breakage of the bridge member reinforcing bars, and a film coating method is adopted for the screeding operation, so that a good effect is achieved; the purpose of quickly repairing the breakage of the bridge is realized, the screeding effect of repairing a damaged surface is improved, and the generation of secondary breakage is reduced.

The invention belongs to the technical field of floor manufacturing and particularly relates to a chamfering device for floors. The chamfering device comprises a rack and a conveying unit arranged on the rack, and further comprises chamfering units and dust collecting units which are arranged on both sides of the rack, wherein each chamfering unit comprises an upper chamfering cutter and a lower chamfering cutter; each of the upper and lower chamfering cutters is a circular arc; and each dust collecting unit comprises a dust collecting hood which is arranged around the corresponding chamfering unit. The chamfering device is used for polishing hanging paint and burrs on the floors, so as to improve the uniformity of the floors and protect the safety of constructors; and the chamfering device has the advantages that the polishing efficiency is high, the polishing effect and the dust collecting effect are good, and the polishing application scope is broad.

The invention discloses a smooth-down device used for a towel belt. The smooth-down device comprises two sliding installation plates which are arranged on an installation frame and can get close to and away from each other. A material pressing assembly which can fall to press the towel belt is arranged on each sliding installation plate. Each material pressing assembly comprises a material pressing installation plate, a limiting baffle fixed to the material pressing installation plate, and a row of material pressing blocks movably arranged between the material pressing installation plate and the limiting baffle. The smooth-down device can automatically smooth down joints of adjacent towers of the tower belt, ensure smoothness of notches in the towel belt cutting process, and improve the processing quality of the towels. The corresponding row of material pressing blocks are adopted for each material pressing assembly. The smooth-down device can adapt to unsmooth surfaces and edges of the towels and improve the smooth-down effect.

The invention discloses an automatic smoother for a circuit board. The automatic smoother for the circuit board includes a frame platform, a feeding mechanism, a hot-pressing smoothing mechanism and a discharge mechanism are arranged on the frame platform in sequence, and the hot-pressing smoothing mechanism includes a beam frame and at least one smoothing device. The automatic smoother for the circuit board in the invention can rapidly perform automatic smoothing operation on an OLB position of a flexible circuit board, has a good smoothing effect, enables the OLB position of the flexible circuit board not to be easy to restore, facilitates subsequent fitting operation of the flexible circuit board, can reduce a reject rate in a fitting process and production cost, and has the advantages of high work efficiency, simple structure, convenient operation and the like. In addition, the invention also discloses a smoothing method of the automatic smoother for the circuit board.

The invention relates to a municipal administration pavement damaged crack repairing structure, and belongs to the technical field of pavement engineering equipment. The structure comprises a frame and traveling wheels arranged at four corners of the bottom of the frame, wherein a pushing handle is arranged on one side of the frame. The technical points of the structure are as follows: the frame is provided with a floating device, and the floating device comprises a floating part arranged at the bottom of the frame and a driving mechanism for driving the floating part to move; the driving mechanism comprises a sliding assembly connected with the floating part and a driving assembly driving the sliding assembly to move in a reciprocating manner; and the sliding assembly is connected with the frame in a sliding mode, and the sliding direction of the sliding assembly is parallel to the moving direction of the frame. According to the municipal administration pavement damaged crack repairing structure provided by the invention, the frame is provided with the floating device, so that a user can float the concrete filler in the process of pushing the frame to move, and the floating efficiency is improved.

The invention relates to a progressive smoothing device for dyed cloth, comprising a power mechanism, the power mechanism includes a power device and a transmission device that reciprocates in a plane under the drive of the power device; a support mechanism, the support mechanism includes The carrying device used to support the cloth, the driving device coaxial with the carrying device and rotatably arranged at both ends of the carrying device, and the switching device arranged on one side of the driving device for controlling the intermittent synchronous rotation of the driving device and the carrying device Smoothing mechanism, the smoothing mechanism includes a smoothing device that rotates around the surface of the carrying device under the drive of the driving device and an adjustment device arranged between the smoothing device and the driving device; the present invention overcomes the problem that dyed cloth does not have The surface dye is smoothed while conveying, and the cloth is smoothed in one direction from front to back to make the cloth surface dye uniform.

The invention discloses a concrete troweling device which comprises a shell, wherein sliding plates are fixedly mounted at two sides of the bottom of the shell, troweling disks are symmetrically mounted at the front end of the bottom of the shell, a motor box is fixedly mounted at the front end of the top of the shell, a servo motor is fixedly mounted in the motor box, the troweling disks are driven by the servo motor, a pressing plate is arranged at the rear end of the bottom of the shell and is connected with the shell through a vibration isolation mechanism, a vibration motor is fixedly mounted at the top of the pressing plate, a push-pull rod is hinged to the rear end of the top of the shell, and limiting seats are arranged at two sides of the end, close to the shell, of the push-pullrod. According to the device, the concrete surface is trowelled through the symmetrically arranged troweling disks, and the pressing plate is vibrated through the vibration motor to level the concretesurface, thereby reducing scratches when the concrete surface is trowelled and improving the troweling efficiency of the concrete surface.