452results about How to "Play the role of reinforcement" patented technology

The invention discloses an automatic construction garbage disposal device. The automatic construction garbage disposal device comprises an upper shell. The top of the inner wall of the upper shell isprovided with two feed ports. Feed baffles are fixedly connected to the positions, corresponding to the feed ports, of the top of the upper shell. The automatic construction garbage disposal device isprovided with crushing wheels, a crawler belt, squeezing plates, springs, first screen meshes, air blowers, pressing plates, magnetic plates and crushing rollers, and the problem that a commonly-usedconstruction garbage disposal device is poor in disposal effect is solved. Through the multi-mechanism automatic technology, the automatic construction garbage disposal device can effectively separate out mucks, waste bricks, steel bars, iron tubes and other wastes in construction waste and can conduct disposing on the wastes in different manners after classification and recovery; for example, reusable materials such as the steel bars and the iron tubs can be effectively separated out for processing and utilization, and a great number of available resources can be saved; moreover, in the disposing process, the problem that much dust is generated and floats in the air is avoided, and human bodies and the environment are protected greatly.

The invention discloses a deviation rectifying and strengthening structure for a shallow-foundation building and a construction method of the deviation rectifying and strengthening structure for the shallow-foundation building. The deviation rectifying and strengthening structure comprises a pile bearing table, anchor rod static pressure piles, pile sealing plates and a filling layer. The pile bearing table is an original building shallow foundation obtained after building deviation rectifying or is formed by additionally arranging a foundation part on the original building shallow foundation obtained after building deviation rectifying. Pressure pile holes are formed in the upper surface of the pile bearing table, the static pressure piles are located in the pressure pile holes, and the pile tops of the static pressure piles are located in hole sections, located in the original building shallow foundation or pile bearing table, in the pressure pile holes. Concrete is poured in the pressure pile holes, anchor ribs are arranged on the pile tops of the anchor rod static pressure piles, and the anchor ribs are anchored in the concrete in the pressure pile holes. Pressure pile anchor rods penetrate in the bearing table from the upper surface of the bearing table and are located on the peripheries of the pressure pile holes, the upper ends of the pressure pile anchor rods are exposed out of the upper surface of the pile bearing table, and concrete is poured in the positions of the pressure pile holes so that the pressure pile anchor rods can be sealed into the concrete to form the pile sealing plates. By means of the deviation rectifying and strengthening structure for the shallow-foundation building and the construction method of the deviation rectifying and strengthening structure for the shallow-foundation building, when deviation rectifying treatment is conducted on the shallow-foundation building, the effect of strengthening the original foundation not meeting the requirement is achieved.

The invention discloses a novel agricultural machine fertilizer box. The novel agricultural machine fertilizer box comprises a fertilizer box body, supporting rods are arranged at two sides of the fertilizer box body, grooves are arranged in two sides of the fertilizer box body, the tops and the bottoms of the grooves are fixedly connected with first slide rails, the inner walls of the two first slide rails are in sliding connection with first slide blocks, clamping blocks are fixedly connected between the two first slide blocks, and one sides, far from the supporting rods, of the clamping blocks, are fixedly connected with first springs. The mutual cooperation of the supporting rods, the grooves, the first slide rails, spacing blocks, the first slide blocks, the clamping blocks, chutes, clamping grooves, second slide rails, second slide blocks, pushing rods, bearing rods, spacing plates, connecting blocks, handles, the first springs and second springs solves the problem of inconvenient dismounting in the dismounting process, so a large amount of manpower of a dismounting person is saved, thereby the box can be conveniently used by a user.

The invention discloses a preparation method for an organic / inorganic composite corrosion-resisting protective film coating layer. The method is as follows: blending ethyl orthosilicate, deionized water and ethanol based on a mole ratio of 1: (3-4): (3-5) at room temperature, and adding an organic modifier HTPDMS (hydroxybutyl-terminated polydimethylsiloxane) under the action of catalyst dibutyltin dilaurate. The invention also discloses a neutral organic / inorganic composite corrosion-resisting thin film coating layer and a method for corrosion-resisting coating processing on concrete with the coating layer. The invention prepares the organic / inorganic composite corrosion-resisting thin film coating layer material by the sol-gel technology, wherein the prepared material has advantages of simple preparation method, economy, practicability, low production cost and so on. The production and construction are safe. The prepared material can be widely used for protecting the concrete.

The invention discloses a packaging box for freeze-dried food shock absorption, which comprises a packaging box body, the inner cavity of the packaging box body is provided with a placement box, and the top and bottom of the inner cavity of the packaging box body are fixedly connected with sliding The two ends of the slide rail are fixedly connected with the limit block, the inner wall of the slide rail is slidably connected with a slider, and the side of the slider away from the slide rail is fixedly connected with a connecting plate, and the inner cavity of the packaging box body And both ends of the slide rail are fixedly connected with support rods. The present invention sets placement box, slide rail, limit block, slider, connection plate, support rod, connection block, first telescopic rod, support block, placement plate, second telescopic rod, first damping spring, second The mutual cooperation of the shock-absorbing spring and the load-bearing block solves the problem that the existing packaging boxes do not have the shock-absorbing function of the freeze-dried food, and avoids the problem that the freeze-dried food is easily damaged when transporting or handling some fragile freeze-dried foods. damaged condition.

The invention discloses a construction method of shallow-buried large-span tunnels. The method comprises the following steps: (1) building vertical piles on the ground by using the shallow-buried characteristics of the tunnels, putting the pile bottoms in a stable force-keeping layer below the bottoms of the tunnel arches to be built, namely reserving vertical support piles in advance in the peripheries and the lands of the tunnels to be built before carrying out underground excavation construction of the tunnels; (2) carrying out partial excavation during underground excavation construction, and connecting transverse supports of initial bracing structures to the preset vertical support piles; and (3) completing a process of pouring secondary linings under the condition that the initial vertical temporary supports are not removed; and removing the vertical temporary supports in the structures after the secondary linings form the strength and completing structure construction. Through the construction method of the shallow-buried large-span tunnels, the technical problems of the construction safety risk during pouring the secondary linings and the sedimentation control of the poured road surface can be solved.

The invention discloses a fast-moving air purifier, which comprises a large-scale purifier body, an operation box is fixedly connected to the bottom of the large-scale purifier body, and a support plate is fixedly connected to the right side of the operation box from top to bottom. and the controller, the top of the support plate is fixedly connected with a protective shell, the inner cavity of the protective shell is provided with a positive and negative motor, and the output end of the positive and negative motor is fixedly connected with a screw, and the left side of the screw penetrates to The interior of the operating box. In the present invention, an operation box, a support plate, a protective shell, a controller, a positive and negative motor, a screw, a spiral tube, a first slide rail, a first slide block, a limit rod, a fixed block, a bracket, a telescopic frame, and a second slide The mutual cooperation of the rail, the bearing plate, the pulley, the chute and the second slider solves the problem that the existing air purifier is not easy to move, so that the large purifier does not need to be moved by multiple people when moving .

The invention belongs to the field of heating apparatuses, particularly provides an energy-saving high-efficiency heating and ventilation type heating apparatus and aims to solve the problems that theexisting equipment cannot implement disinfection and dust removal treatment on air, cannot realize humidification and purification of the air while heating, is simplex in function, cannot realize reasonable utilization of solar resources, is poor in energy conservation effect, shakes easily, is inconvenient to use, is unreasonable in design and the like; the energy-saving high-efficiency heatingand ventilation type heating apparatus comprises a box body; the upper surface of the box body is fixedly connected with a dust removing device and a solar device; the dust removing device is arrangedat one side of the solar device; the inner sidewall of the box body is fixedly connected with a horizontal plate; and the horizontal plate is used for dividing the box body into a disinfection chamber, a heating chamber, a humidification chamber and a working chamber. The energy-saving high-efficiency heating and ventilation type heating apparatus provided by the invention can implement disinfection and dust removal treatment on the air, can realize humidification and purification of the air while heating, is complete in function, can realize reasonable utilization of solar resources, saves energy, is environmentally friendly, realizes high efficiency, and is not prone to shaking, convenient to use and reasonable in design.

The invention relates to a construction method of a pipe gallery by shielding before well arrangement. The construction method comprises the following steps of using a shield machine to carry out tunneling construction along a design route of the pipe gallery; assembling duct pieces in a tunnel formed by tunneling; laying craft wells at intervals along the design route of the pipe gallery and constructing supporting piles, perpendicular to the two sides of the design route of the pipe gallery, at the outer peripheries of the craft wells; cutting the constructed supporting piles and tunneling through the craft wells when the shield machine tunneling construction is applied to the craft wells, and assembling the duct pieces at the craft wells in the tunnel; constructing retaining piles, parallel to the two sides of the design route of the pipe gallery, at the outer peripheries of the craft wells, wherein the retaining piles and the supporting piles are enclosed at the outer peripheries of the craft wells; and constructing the craft wells and removing the layers of the duct pieces in the craft wells in the construction process. According to the construction method of the pipe galleryby shielding before well arrangement, the problems that the craft wells are affected by pipeline relocation and traffic guidance and reform and the construction cannot be completed when the shield machine arrives are solved.

The invention provides a graphite-metal compound heat delivery base material and the production technique thereof. Sheet metal is pressed into a preformed mould to produce a shell with the metal layer of specific structure and the corresponding cover board. Metal columns upright towards are provided at the bottom of the metal-layered shell, and the cover board has holes therein corresponding with the metal columns; the raw graphite material is pressed into a graphite material layer with certain thickness and holes which matches with the holes in the metal-layered shell; The pressed graphite material layer is put into the metal-layered shell with the metal cover board covered so that a mould is formed by pressing. The encapsulation of the graphite material layer by the metal layer is realized through the rivet connection of the cover board by the metal columns. No heat treatment is involved in the production process in the invention and the production cost is greatly reduced. With the metal-layered shell used, the molding technique is easier and the heat delivery base material with different shapes can be produced. The metal columns, which run through the graphite layer, strengthen the structure of the base material and facilitate the heat delivery.

The invention discloses an anti-seepage joint of underground continuous walls, which comprises a cross steel plate joint. A joint steel plate is crosswise connected with an end-enclosing steel plate to form the cross steel plate joint. A high-pressure slip-casting steel pipe is welded along the end-enclosing steel plate, at one side of the first wall and at the crossed connection of the joint steel plate and the end-enclosing steel plate. A plurality of grouting holes are arranged on the lower part of the high-pressure grouting steel pipe. The invention also discloses a construction method of the anti-seepage joint. In the invention, the technology for reinforcing the wall bottom by the steel pipes embedded in the steel reinforcement cage of the underground continuous walls is applied to the cross steel plate joints of the underground continuous walls. The anti-seepage processing method of the cross steel plate joints of the underground continuous walls is improved, thus achieving the anti-seepage purpose, also enhancing the rigidity of the joints and playing a role in reinforcing the joint part of the wall bottom. The invention simultaneously fulfills the seepage prevention, rigidity reinforcement and wall bottom reinforcement and has the advantages of simple construction, low construction cost and easy guarantee of the construction quality.

The invention provides a multi-purpose road slope finishing machine. The multi-purpose road slope finishing machine comprises a base, adjustable movable wheel devices, slope compacting roller devices, a ditching plate device and an adjustable soil loosening wheel device, wherein the adjustable movable wheel devices are separately welded on the left part and the right part of the base; the slope compacting roller devices are separately in bolt connection on the left part and the right part of the front surface of the base; and the ditching plate device is in bolt connection on the middle position of the front surface of the base. The multi-purpose road slope finishing machine has the beneficial effects that: the slope compacting roller devices are arranged, so that road slopes of different angles are conveniently finished, and practicability of the road slope finishing machine is improved, and therefore, the multi-purpose road slope finishing machine is suitable for finishing road slopes of various terrains, and the solves the single function problem; and the adjustable movable wheel devices are arranged, so that the road slope finishing machine conveniently moves, labor intensity of working staff is reduced, and the problem that the road slope finishing machine is inconvenient to move is solved.

The invention provides a steel metal plate edge grinding device. The steel metal plate edge grinding device comprises a base and a conveyer belt arranged on the base, wherein a plurality of vertical grinding rollers and a plurality of horizontal grinding rollers are arranged on the two sides of the conveyer belt, the horizontal grinding rollers are located above the conveyer belt, the vertical grinding rollers and the horizontal grinding rollers are arranged on a support in a crossed mode, the support is movably arranged on the base and is fixed to the base through connecting pieces, and the vertical grinding rollers and the horizontal grinding rollers are driven by a driving device. The steel metal plate edge grinding device is simple in structure, convenient to use and applicable to steel metal plates with different widths.

The invention discloses a classifier for freeze-dried food processing. The classifier comprises a bearing plate; two sides of the top of the bearing plate are fixedly connected with bearing rods; a base is arranged at the top of the bearing plate; the top of the base is fixedly connected with a motor; an output end of the motor is sleeved with a turntable; the bottom of the front surface of the turntable is fixedly connected with a fixed block; and a connecting rod is arranged on the front surface of the fixed block. Through matching use of the bearing plate, the bearing rods, the base, the motor, the turntable, the fixed block, the connecting rod, a support plate, a support rod, a first screening plate, a second screening plate, a third screening plate, a connecting rod, an extension rod, a slide rail, a limiting block, a slide block, a spring, a first screening hole, a second screening hole and a third screening hole, the classifier solves the problems of low speed and low efficiency in manual classification, and prevents the conditions of low classification speed and low classification efficiency due to frequent use of a manual mode in traditional freeze-dried food classification.

The invention provides a prefabricated assembly type concrete wallboard and a connecting structure and a construction method thereof. The prefabricated assembly type concrete wallboard comprises a wallboard body, a plurality of vertically formed reinforcing steel bar through holes are formed in the wallboard body, and the reinforcing steel bar through holes are formed by metal corrugated pipes pre-buried before concrete is poured in a component factory. Pouring grooves are formed in the side edge of the wallboard body. Ribs are not exposed out of the four sides of the wallboard of a connectingstructure, field connection is divided into vertical connection and horizontal connection, the vertical connection is that steel bars are inserted into the pre-buried metal corrugated pipes, concreteis poured into the pre-buried metal corrugated pipes, and the vertical steel bars are in lap joint or welding or mechanical connection. The horizontal connection of the wallboard is that truss ribs are placed in the pouring grooves in the side edge of the wallboard, and the necessary vertical steel bars and horizontal steel bars are used as auxiliary materials. The ribs are not exposed on the four sides of the wallboard, and factory production is facilitated. The grouting-sleeve-free process for field connection is low in cost, reliable in connection and high in construction efficiency. The pouring grooves in the four sides of the wallboard and the post-poured concrete form a strong mechanical joint surface, and a good waterproof effect is achieved.

The invention provides an air bag hole sealing type cloth bag grouting method. The air bag hole sealing type cloth bag grouting method comprises the following steps that a cloth bag provided with a grout overflow hole is placed into a drill hole, an elastic air bag used for sealing the drill hole is fixed on a grouting pipe, the elastic air bag is connected with an air pump through an air pipe, the grouting pipe is put into a first section of grouting position in the cloth bag before grouting, the air pump is utilized to inflate the elastic air bag through an inflation pipe, the outer side wall of the elastic air bag abuts against the inner side wall of the drill hole, the elastic air bag is inflated to a certain pressure to block the drill hole, then grouting is conducted, and cement grout permeates into a foundation through the grout overflow holes in the cloth bag; and after the first section of grouting is completed, the elastic air bag is deflated, then the grouting pipe is lifted up, then the elastic air bag is inflated, second section of grouting is started, and the process is circulated until the whole drilled hole grouting is completed. The technical scheme provided by the invention has the beneficial effects that the advantages of a cloth bag pile and grouting reinforcement are fully combined, the reinforcement range can be controlled, a good grouting effect can be achieved, the formed pile foundation structure can be ensured to be a preset reinforcement body, and the cost is low.

The invention relates to a novel intelligent instrument convenient to install. The novel intelligent instrument comprises a front lining and a body, wherein the body is arranged on the back of the front lining, and a plurality of fastening assemblies are arranged on the periphery of the body and comprise a sliding block, a fixing block and a telescopic spring, and the fixing block is horizontally arranged; and a plurality of first grooves are formed in the body. The intelligent instrument can be smoothly installed inside a power distribution cabinet through the sliding block and can be fixed on the power distribution cabinet through the fixing block; meanwhile, a limiting assembly is capable of limiting the installation of the intelligent instrument and reinforcing the intelligent instrument; furthermore, a voltage division circuit consisting of a first resistor and a second resistor is connected into a control end of an integrated circuit in a circuit of a working power supply, so that the input voltage of the control end of the integrated circuit does not exceed 5V, and the reliability of the intelligent instrument is improved.

The invention relates to an infrared shielding coating modified fiber reinforced aerogel thermal insulation material and a preparation method thereof. The preparation method takes tetraethoxysilane and ZrOCl2.8H2O as precursors, acetic acid as a catalyst, alcohol water as a solvent and LiF as a mineralizer, and a uniform ZrSiO4 shielding coating with good crystallization is prepared on the fiber surface of refractory fibrofelt through vacuum filtration, drying and heat treatment; and ZrSiO4 coating modified fiber reinforced SiO2 aerogel or a SiO2-Al2O3 aerogel composite heat-insulating material is obtained by taking tetraethoxysilane as a silicon source, AlCl3.6H2O as an aluminum source, nitric acid as a catalyst and epoxide as a coagulant through vacuum impregnation, aging and normal-pressure drying. The prepared material has the normal-temperature thermal conductivity of 0.030-0.036W.m<-1>.K<-1>, and the prepared material has a transmittance of less than 1.0% for infrared light witha wavelength of 10 to 25 [mu]m; and the compressive strength is as high as 0.68MPa at 10% deformation.

The invention discloses a crane capable of reducing shaking for building construction. The crane comprises a base, an oil inlet plug and a rope, wherein self-locking rollers are fixed on the left sideand the right side of the bottom of the base, a first hydraulic cylinder is arranged in a rotating rod, the top of a moving rod is internally provided with a second hydraulic cylinder, and a limitingrod is arranged on the inner side of the rotating rod; the oil inlet plug penetrates through the upper end face of the base so as to be in threaded connection with a power generator; and the top of asupport is connected with a hanging support through a first shaft rod, wherein the hanging support is internally provided with a fourth hydraulic cylinder, fixed pulleys are fixed to the upper end surface of the hanging support, the upper end face of the right side of a moving frame and the right end of the moving frame, and the bottom of the right side of the hanging support is placed on a supporting column. According to the crane capable of reducing shaking for building construction, an abutting column can move downwards under the action of the second hydraulic cylinder and a second hydraulic rod until the abutting column abuts against the ground, so that the crane is reinforced and placed more stably, and the situation that the crane is shaken in the using process can be avoided.

The invention discloses reflective insulation flexible imitation stone and a preparation method thereof, belongs to the technical field of building materials and relates to imitation stone. The reflective insulation flexible imitation stone comprises a bottom main material layer, a middle decoration layer and a surface glaze layer. An adhesion agent layer is sprayed between the decoration layer and the main material layer, and the decoration layer is coated with the glaze layer. The main material layer comprises a base body, a fiber layer is arranged on the bottom of the base body, and gridding cloth is arranged in the middle of the base body. The decoration layer is a quartz sand layer subjected to mixing with an infrared reflection pigment at a high temperature. The glaze layer is formed by mixing resin, an assistant, functional padding and a pigment. The reflective insulation flexible imitation stone has a very high reflective insulation function, high in flexibility and crack resistance, high in hardness and cleanliness and easy to cut and install.

The invention provides a modified composite wooden material, wherein a compound ingredient which contains at least more than three of the elements of silicon, nitrogen, phosphorus, magnesium and boron is added into wood; the wood can be cork wood, fast-growing wood or wood of low quality; and a modifier with a good seepage force is adopted. The preparing method of the modified composite wooden material comprises the steps of adding the ingredient and a liquid medium into a reactor kettle, mixing, stirring, heating and carrying out solid-liquid separation so as to obtain a liquid modifier; adding the liquid modifier into the fiber gaps of the wood through absorption and volatile matter elimination; and drying so as to obtain the modified composite wooden material. The modified composite wooden material has outstanding functions in mechanics, physics and fireproof and has the application value in partially replacing precious wood, so that the waste is turned into wealth, and the resource is used effectively.

The invention discloses a wax type production process based on metal sculptures, relates to the technical field of metal casting, and aims to solve the technical problems that a metal sculpture which is fine and unique in shape is difficult to process and demould. The technical scheme is characterized in that firstly, sculpture clay is used for manually shaping a clay sculpture, liquid silica gel is brushed over the clay sculpture, the liquid silica gel is cooled to form a silica gel mould, melted wax liquid is poured into the silica gel mould, a wax mold is formed after the wax liquid is solidified, and then wax molds with different shapes are spliced together to form a wax mold of the whole metal sculpture, sand hanging is carried out on the surface of the wax mould, the wax mould is roasted, the wax mould is melted to form a mould shell, molten metal is poured into the mould shell, after the molten metal is solidified and formed, the mold shell is broken into pieces, so that a complete metal sculpture is finished, and the surface of the metal sculpture is subjected to repairing, grinding, sand blasting and coloring. In the processing process, the shape of the metal sculpture is molded manually, so that the handicraft with a fine and unique shape can be formed, and only the wax mould needs to be melted during demolding, the demoulding is simple, and the operation is convenient.

The invention discloses an automobile stamping die with a vibrating material-sliding function. The automobile stamping die comprises a stamping die body. The front side and the rear side of the left side of an inner cavity of the stamping die body are both fixedly connected with bearings, a cylinder is connected between the two bearings in a sleeved mode, the center of the surface of the cylinderis sleeved with a tooth disc, and the positions, located on the front side and the rear side of the tooth disc, of the surface of the cylinder are sleeved with cams correspondingly. The bearings, thecylinder, the tooth disc, the cams, a shell, an electric telescopic rod, a connecting plate, a push rod, a sliding groove, a sliding block, supporting rods, sliding plates, movable blocks, fixed plates, telescopic rods and springs are arranged and mutually matched, so that the problem that an existing stamping die does not have the vibrating material-sliding function is solved; when the stamping die body is used, the condition that blockage occurs during discharging of waste materials can be avoided through the vibrating sliding plate, accordingly, a large amount of the time of a user is saved, the progress of automobile part machining is accelerated, and therefore using by the user is facilitated.

The invention discloses a high-pressure self-tightening flange ZY, relating to a novel pipe connector, which comprises a sleeve joint, a clamping sleeve, a sealing ring and a Spherical bolt, characterized in that the tendon part and the lip of the sealing ring form a T-shape, and the two sets of clamping ribs form a strong integral with the pipe under the action of the clamping sleeve. The sealing cone of the two sets of sealing surfaces and the two lips of the T-shaped sealing ring form a seal respectively, and the advantages: 1. The main force of the sleeve is replaced by the main force of the bolt. Under the action of the sleeve, the sealing ring under the action of the sleeve is 360 o. With the pressure fluctuation, the lip of the T-type seal ring is elastically deformed. With the increase of the pressure, the seal specific pressure is increased, the traditional flange pressure is increased, the seal is lower than the pressure, that is, the self-close sealing effect is better, and it has the functions of -fatigue resistance, -vibration resistance, and temperature difference resistance. The sealing ring can be used repeatedly. The strength of the connection point is higher than that of the pipe parent material; 6. The Spherical bolt axis is set perpendicular to the pipe centerline.

The invention discloses a self-propelled hollow grouting expansion anchor rod and a construction method thereof. The anchor rod comprises a hollow grouting anchor rod body, wherein a self-propelled drill bit is arranged at one end of the grouting anchor rod body; a grout outlet of the drill bit communicates with a grouting channel of the grouting anchor rod body; an inner pull rod is arranged in the grouting channel of the grouting anchor rod body; a plurality of plate-shaped barbs and a plurality of grouting holes are formed in an outer rod body of the grouting anchor rod body; one end of each plate-shaped barb is connected with the outer rod body through a hinge device, and the other end of each plate-shaped barb is connected with a connecting rod and a spring; the other end of each connecting rod penetrates through one grouting hole and is connected with the inner pull rod; the other end of each spring is connected with the outer rod body; during drilling, the plate-shaped barbs arein contact with the outer rod body; and after the inner pull rod is pulled, an included angle is formed between each plate-shaped barb and the outer rod body. The hollow grouting expansion anchor rodcan be used as a reinforcing anchor rod integrating drilling, expansion and grouting in the field of tunnel and underground space engineering reinforcement, and is used for increasing the binding power and anchoring force of the anchor rod, so that the reinforcing effect is enhanced.

The invention discloses a ferric-sulfate selling frame convenient to move. The ferric-sulfate selling frame comprises a selling frame body. An operation box is fixedly connected to the bottom of the selling frame body, first sleeves are fixedly connected to the two sides of an inner cavity of the operation box, a cylinder is arranged between the two first sleeves respectively, the two ends of the cylinder are sleeved with inner cavities of the two first sleeves respectively, and first threads are arranged on the two sides of the surface of the cylinder respectively. According to the ferric-sulfate selling frame, as the operation box, the first sleeve, the cylinder, a first belt wheel, a protection shell, a forward-backward motor, a base, a second belt wheel, a belt, a first solenoid, a threaded rod, a second solenoid, a limiting ring, a sliding rail, a bearing plate, a limiting block, a pulley and the second sleeve are matched, the problem that an existing selling frame is difficult to move is solved, it is avoided that the selling frame is lifted by multiple persons to move, a large amount of physical power of carriers is saved accordingly, convenience is brought to utilization of a user, and the usability of the selling frame is improved.

The invention discloses integrated intelligent teaching equipment. The equipment comprises a touch control panel and a writing board, the touch control panel is arranged on a first frame, the writingboard is arranged on a second frame, the writing board and the touch control panel are connected with each other through the first frame and the second frame which are arranged between the writing board and the touch control panel, and the first frame and the second frame are fixedly arranged through sheet metals; the touch control panel comprises the writing board, a first substrate, touch control film, a second substrate and a display screen, wherein a second adhesive layer is arranged between the second substrate and the touch control film, the writing board comprises a support plate and writing film, the writing film comprises a base material, a matte coating layer and an adhesive layer, the adhesive layer is uniformly arranged on one side surface of the base material, the matte coating layer is arranged on the other side surface, opposite to the adhesive layer, of the base material, and one face, provided with the adhesive layer, of the base material is in contact connection withthe support plate. The integrated intelligent teaching equipment has the advantages that large-scale touch control interaction setting is integrated with a traditional blackboard system, thereby enriching the connotation of the blackboard, and satisfying new requirements of the modern teaching on the blackboard.

The invention relates to a cutting device, in particular to an aluminum foil fixed width cutting device for pharmaceutical packaging. The technical problem to be solved is to provide an aluminum foil fixed width cutting device which is used for pharmaceutical packaging and is capable of controlling the cutting width conveniently and small in cutting friction. To solve the technical problem, the aluminum foil fixed width cutting device for pharmaceutical packaging comprises a tripod, a first connecting rod, a sliding rail, a first spring, a rack, a sliding block, a first gear, a sector gear, a gear motor, a first rotary rod, a first roller and the like. An output shaft of the gear motor is connected with the first rotary rod through a coupling, the first rotary rod is in interference fit connection with the sector gear and the first roller sequentially from front to rear. The aluminum foil fixed width cutting device achieves the effects that the cutting precision is high, the cutting width can be controlled flexibly and the time and labor are saved during cutting when the aluminum foil fixed width cutting work is conducted

The invention discloses a petrochemical wastewater treatment sedimentation pool with high convenience in inner wall cleaning. The sedimentation pool comprises a sedimentation pool main body, wherein fixing plates are fixedly connected with the left and the right sides of the sedimentation pool main body; a supporting plate is fixedly connected with the top of each fixing plate; and the tops of thetwo supporting plates are fixedly connected through a connecting plate. The sedimentation pool provided by the invention has the advantages that through cooperation among the fixing plates, the supporting plates, the connecting plate, a cleaning motor, a cleaning rotating shaft, a first gear, a rolling bearing, a rotating shaft, a second gear, first cleaning rods, first cleaning plates, first scrapers, second cleaning rods, second cleaning plates, second scrapers, sludge discharging pipes, sludge discharging heads, sludge pumps and sludge removing pipes, the problem of the conventional petrochemical wastewater treatment sedimentation pool that cleaning of the inner walls is inconvenient is solved; and the inner walls are automatically cleaned, so that the labor intensity of workers is reduced, the cleaning efficiency is improved, and wastewater treatment is greatly facilitated.