36results about How to "Reduce the difficulty of installation operation" patented technology

The invention discloses an ultraviolet radiation enhancement based method for simultaneous desulfurization, denitrification and particulate removal of pypocholoride. The method comprises steps as follows: atomized aerosol formed by an aqueous pypocholoride solution is subjected to ultraviolet radiation, pypocholoride in the atomized aerosol has a photolysis reaction, ROS (reactive oxygen species) free radicals with a strong oxidizing property are generated, the atomized aerosol containing the ROS free radicals with the strong oxidizing property is sufficiently mixed with flue gas, the treated flue gas and the atomized aerosol after reaction are subjected to wet washing treatment, and the treated flue gas is discharged into atmosphere after water mists in the flue gas are removed by a demister. The invention further discloses an ultraviolet radiation enhancement based device for simultaneous desulfurization, denitrification and particulate removal of pypocholoride. According to the method and the device, desulfurization and denitrification effects of pypocholoride are remarkably enhanced with the ultraviolet radiation method, the atomized aerosol and harmful gas in the flue gas are mixed and react, so that the gas-liquid contact area is greatly increased, and gas-liquid mass transfer efficiency is improved; by means of an ultraviolet reactor, the systematic complexity and the mounting operation difficulty are reduced, and the initial investment cost of the system is reduced.

The invention provides a rapid dragging device for submarine pipeline construction. The device includes a device body, a towing tension edge plate, top tightening screws, swinging clamping claws and detachable pins. Flanges at the end part of a pipeline can be tightly grabbed through three sets of the swinging clamping claws which can be opened and closed during using; the top tightening screws can be used to tightly clamp the flanges; and the swinging clamping claws can be fixed through the detachable pins, so that the rapid connecting and dragging of the device and the pipeline flanges can be realized. The top tightening screws can be unscrewed after the flanges are dragged in place, and the detachable pins can be removed so that the swinging clamping claws can swing, and therefore, thedevice can be rapidly freed. The device can effectively reduce the difficulty of installation operation, and is convenient in underwater freeing; and the flanges of the delivery line can be rapidly dragged in place for installing, so that convenient and fast follow-up flange docking work can be realized, and therefore, construction efficiency can be enhanced, operation time can be shortened, and good economic benefits can be created.

The invention discloses a steam cooking device. The steam cooking device comprises a box body, a door body, and a sealing ring, wherein a heating cavity with an open front end is formed in the box body; the door body is movably arranged on the box body and in a position between an opening position for opening the heating cavity and a closing position for closing the heating cavity; the door body comprises a clamping protruding part; an annular mounting groove is formed in the rear surface of the door body; the heating cavity is surrounded by the mounting groove; a clamping groove is formed in the outer circumferential surface or the inner circumferential surface of the sealing ring; the sealing ring is arranged inside the mounting groove; the clamping protruding part is clamped in the clamping groove; at the closing position, the sealing ring is propped against the front surface of the box body. The steam cooking device disclosed by the embodiment of the invention has the advantages of being simple in processing technology, low in mounting and operation difficulty, good in sealing reliability, and stable in structure.

A front wiring system for a wall switch socket is characterized in that a wiring part of the switch socket is changed to be connected to a wiring seat of a wiring bracket with a hollow middle part from a wiring seat on the back surface of an original switch socket panel, and then an open head socket panel and a cover plate are mounted. The transmission path of an access power supply is as follows:a wire-a wiring head on the wiring bracket-a lower metal contact piece on the wiring bracket-an upper metal contact piece on the back surface of the panel- a head or jack function piece on the panel.Through the improvement, the operation is more convenient, the disturbance to the wiring part is avoided in the whole wiring process and the installation process of the head socket panel and the cover plate, and the wiring is more stable and reliable.

The invention discloses a universal tapered co-directional double-screw-rod extruder for plastic pipes and sheets. The universal tapered co-directional double-screw-rod extruder comprises a driving motor, a deceleration distribution box system, a feeding system, a transmission system, a tapered co-directional double-screw-rod system, an extruder barrel system and an exhaust system; and the tapered co-directional double-screw-rod system comprises a main tapered screw rod and an auxiliary tapered screw rod, the rotating directions of the main tapered screw rod and the auxiliary tapered screw rod are co-directional, and the main tapered screw rod and the auxiliary tapered screw rod are sequentially provided with feeding zones, plasticizing zones, reverse thread zones, secondary plasticizing zones, separation zones, exhaust zones and extrusion zones along the moving direction of materials. The tapered co-directional double-screw-rod extruder has the advantages that shearing heat is large, plastication is good, mixing is good, the filling ratio is high, product strength is good, the surface is bright, no discharge from an exhaust port occurs, transmission torque of the deceleration distribution box system is large, the bearing capacity is doubled, the service life is prolonged greatly, noise is small, and manufacturing is simple; according to the universal tapered co-directional double-screw-rod extruder for the plastic pipes and the sheets, and not only can the plastic sheets be extruded, but also the plastic pipes can be extruded.

The invention discloses a steam cooking device. The steam cooking device comprises a box body, a door body, and a sealing ring, wherein a heating cavity with an open front end is formed in the box body; the door body is movably arranged on the box body and in a position between an opening position for opening the heating cavity and a closing position for closing the heating cavity; the door body comprises a clamping protruding part; an annular mounting groove is formed in the rear surface of the door body; the heating cavity is surrounded by the mounting groove; a clamping groove is formed in the outer circumferential surface or the inner circumferential surface of the sealing ring; the sealing ring is arranged inside the mounting groove; the clamping protruding part is clamped in the clamping groove; at the closing position, the sealing ring is propped against the front surface of the box body. The steam cooking device disclosed by the embodiment of the invention has the advantages of being simple in processing technology, low in mounting and operation difficulty, good in sealing reliability, and stable in structure.

The invention discloses an integral multi-parameter water quality on-line monitoring device which is provided with a residual chlorine-water temperature sensor, a turbidity sensor and a water level sensor, and signal lines thereof are respectively connected with a single-chip microcomputer; the device is characterized in that the single-chip microcomputer is also connected with a keyboard input circuit, an output display circuit, an EEROM memory, a sound-light alarm circuit and a communication circuit; the output display circuit displays the concentration value, the turbidity value, the waterlevel height valve and the temperature valve of the residual chlorine in a circulating way; when a parameter exceeds the alarm value, the sound-light alarm circuit gives off sound-light alarm signals; the invention also expresses a control method which mainly comprises the following steps: system initiation, data acquisition, data processing and display, comparison and alarm; data acquisition adopts weighted average, data processing adopts moving average; and finally the invention can support the simultaneous on-line detection of a plurality of parameters, has the advantages of low cost, simple structure, convenient installation and debugging and high precision, and is very applicable to the water quality detection of small rural water plants.

The invention provides a girder erection method for a large-span cable-stayed bridge. The girder erection method for the large-span cable-stayed bridge is characterized by comprising the following steps that a main tower, an auxiliary pier and a transition pier are erected, and a preset height is reserved between the top of the auxiliary pier and a girder; building a tower area beam section at the main tower; a main beam erection construction system is installed on the tower area beam section; after being integrally lifted, the single to-be-mounted beam section is horizontally transferred to the front end of the mounted beam section to be mounted; repeating the previous step until the main beam is spliced to the auxiliary pier; heightening construction is conducted on the auxiliary piers so that the auxiliary piers can be connected with the main beam; and repeatedly executing the step of integrally lifting the single to-be-mounted beam section and then horizontally transferring the single to-be-mounted beam section to the front end of the mounted beam section for mounting until the main span is closed. According to the construction method, the overall installation and assembly precision of the girder sections is high, the line shape of the girder is easy to guarantee, the bridge construction quality is high, and the construction speed is higher.

The invention discloses a wall switch socket front side wiring system. A wiring seat of a switch socket is arranged on a front surface of a panel. A wire arranging frame is additionally arranged between the panel and a bottom box so that an electric wire is easily positioned to a preset wiring area. A force application portion of the wiring seat is operated on the front surface of the panel, and an internal mechanism of the wiring seat acts to clamp an electric wire inserted into the wiring seat. The electric wire is reliably connected and conducted with a switch function component and a jackfunction component on the panel. And after the electric wire is connected, subsequent operation does not disturb the electric wire so that connection between the electric wire and the wiring seat is more stable and reliable, and the wiring is more convenient. The invention belongs to the electric appliance technology field.

An electromagnetic shielding and sealing structure and method for a display screen with an external touch screen. The conductive foam on the liquid crystal screen and the casing are conductively overlapped with each other. After receiving the pressing force of a pressing device, the conductive foam is Compression deformation, so that the shielding film forms a good overlap with the casing through the conductive foam, and the shielding film forms a complete electromagnetic shielding isolation layer for the LCD screen through the overlapping of the conductive foam and the casing, and the external touch screen or glass plate passes through The method of pasting is fixedly connected to the casing to achieve sealing. By treating the electromagnetic shielding and sealing separately, the difficulty of installation and operation can be reduced, and the reliability of the electromagnetic shielding and sealing of the display screen with the external touch screen can be improved. It can better meet the requirements of electromagnetic compatibility in the national military standard and meet the needs of rain protection.

A refrigeration appliance, comprising a box body (1), a door (2) and a hinge assembly (3) connecting the box body (1) and the door (2), the hinge assembly (3) comprising: The mounting part (31) of the box body (1); the hinge part (32), which is connected to the mounting part (31) and has a hinge shaft (320) connected to the door (2); and the adjustment unit, comprising An adjustment piece (30) connected to the hinge piece (32), the adjustment piece (30) is used to adjust the position of the hinge piece (32) relative to the installation piece (31) along the adjustment direction, and the adjustment direction It is the width direction of the door (2) or the front-rear direction of the box body (1). The technical solution can solve the appearance / sealing problem caused by the uneven distance between two doors (2) or between the door (2) and the box body (1).

The invention belongs to the technical field of ground track mounting construction, and discloses a ground transportation track mounting method. The ground transportation track mounting method comprises the steps that 1, tracks and base steel plates are assembled in a segmented mode, specifically, the base steel plates are grouped and sequentially laid on the flat ground, the ends of the adjacentbase steel plates in the same group are arrayed and laid in a closely-attached mode, surveying and setting-out are conducted on all the groups of base steel plates, the track mounting positions are marked on all the groups of base steel plates, in each group, the tracks are hoisted on the base steel plates to be aligned with the marked track mounting positions, then the tracks are fixed to the base steel plates, heat deformation of the base steel plates in the machining process is corrected through the rigidity of the tracks while fixing is conducted, thus the track steel plates are closely attached to the bottom faces of the tracks, and after completion, assembled segments of the tracks and the base steel plates are formed in all the groups; 2, hoisting and butt joint are conducted in a segmented mode; and 3, grouting fixing is conducted. According to the ground transportation track mounting method, the track mounting sequence is changed, deformation correction of the base steel plates is conducted through the rigidity of the tracks, and thus the mounting error caused by deformation of the base steel plates can be reduced.

The invention discloses a mining optical fiber temperature sensor probe which comprises a temperature sensing area shell, an optical fiber and an anchor head, wherein one end of the temperature sensing area shell is provided with an opening; a fiber bragg grating (FBG) is arranged in the temperature sensing area shell; the optical fiber is connected with the FBG; the anchor head is sleeved outside the optical fiber and is fixedly connected with the temperature sensing area shell; the other end of the anchor head is fixedly connected with the head of a coil pipe; and the coil pipe can be freely bent and cannot be twisted. The mining optical fiber temperature sensor probe can be applied to measuring the temperature of the inner part of a coal mine, particularly deep rock. According to the probe, the FBG is adopted as a temperature sensing element, the coil pipe is adopted as a protecting pipe, and the anchor head which is provided with bulging thorns and is used for fixing the tail end of a temperature sensing area, and an expansion device used for fixing the tail part of a sensor and a coal seam are designed. The mining optical fiber temperature sensor probe has a simple and reliable structure, is convenient to carry and mount under a mine, and is convenient to use.

The invention discloses a connection method of an anti-inclusion pouring cup for a large casting. The process of the connection method of the anti-inclusion pouring cup for the large casting comprisesthe following steps that the wax patterns of the pouring cup and a pouring cup step segment are manufactured (please see attached drawings 1 and 2); the height e of the pouring cup step segment ranges from 10 mm to 20 mm, the pouring cup and the pouring cup step segment are connected, a shell is manufactured, and when coating of 4-5 layers of the shell is completed, a steel wire is wound (pleasesee the attached drawing 3); a pouring cup cooperation segment is manufactured according to the attached drawing 4, the size phi A is the same as the size phi a in the attached drawing 2, the size B is slightly smaller than b, and the size E is the same as e; a wax part of the pouring cup cooperation segment and a wax part of the casting are connected, and a shell is manufacture; and before pouring, the pouring cup and the casting shell are connected through refractory mortar. According to the connection method of the anti-inclusion pouring cup for the large casting, increase of inclusions inthe casting in the pouring cup connection process and the high-temperature pouring process can be completely avoided, the mounting and operation difficulty can be reduced, metal materials can be separated well, and the metallurgical quality of the casting can be improved.

A main pulling device of a bag making machine comprises a pull roll, a driving mechanism for driving the pull roll, and a coaxial multi-dandy roll swinging arm mechanism which is positioned above the pull roll, wherein the pull roll is a steel roll of which the surface is provided with a ceramic layer; the coaxial multi-dandy roll swinging arm mechanism comprises an upper slide rod, a lower slide rod, and a plurality of swinging pressing roll assemblies which are mounted on the upper slide rod and the lower slide rod; each swinging pressing roll assembly comprises a bracket, a swinging arm which is hinged with each bracket, a dandy roll which is pivoted to each swinging arm, and a cylinder for driving each swinging arm to swing; a first through hole through which the upper slide rod passes is formed in each bracket; a locking seat is arranged at the first through hole in one side of each bracket; a second through hole through which the lower slide rod passes is formed in each bracket. According to the device, the brackets are strictly processed according to a drawing by a processing center based on the mounting standard of the swinging arms, the cylinder and a slide sleeve, and each bracket is provided with the same hole size. Therefore, the difficulty in mounting operation is reduced, and the mounting accuracy is ensured.

The invention relates to a steel structure building surface decoration structure construction method, and relates to the technical field of building engineering.The method comprises the steps that a building structure is subjected to three-dimensional scanning, modeling is conducted to form a scanning model, and error analysis is conducted on the scanning model and a theoretical model; parametric modeling is carried out on the decoration structure, radius merging is carried out on curved curves after curves are fitted again, then the decoration component is divided into a plurality of units to form component assembling units, and processing and manufacturing are carried out after components of each component assembling unit are numbered; support control point data are obtained in the parameterized model, component assembling units are assembled according to the ingredient numbers, and in-place point position control is conducted through a total station in the assembling process; positioning points are determined on the surface of the building through a total station, and the assembled component assembling units are integrally hoisted and spliced according to the design drawing, so that the in-place points of the component assembling units are aligned with the positioning points on the surface of the building and then fixed. The mounting structure has the advantage that the decorative surface more conforming to the curved surface design can be conveniently and accurately mounted.

The invention discloses a method for simultaneous desulfurization, denitrification and particle removal of hypochlorite based on ultraviolet radiation enhancement, which has the following steps: the atomized aerosol formed by the hypochlorite aqueous solution is irradiated with ultraviolet light, and the atomized aerosol The photolysis reaction of hypochlorite generates strong oxidizing ROS free radicals, and the atomized aerosol containing strong oxidizing ROS free radicals is fully mixed with the flue gas. The treated flue gas and the reacted atomized aerosol are wetted Washing treatment, the treated flue gas is discharged into the atmosphere after removing water mist by a demister. The invention also discloses a hypochlorite simultaneous desulfurization, denitrification and particle removal device based on ultraviolet radiation strengthening. The invention adopts the ultraviolet light irradiation method to significantly strengthen the desulfurization and denitrification effect of hypochlorite, and the mixed reaction between the atomized aerosol and the harmful gas in the flue gas greatly enhances the gas-liquid contact area, improves the gas-liquid mass transfer efficiency, and the ultraviolet light reaction The device reduces the system complexity and the difficulty of installation and operation, and reduces the initial investment cost of the system.

The invention provides an extensometer auxiliary assembly, which is used to cooperate with a contact type high-temperature extensometer to perform a high-temperature mechanical test, and includes a buckle assembly, which includes a U-shaped sleeve and a rotating block; The bottom and two sides of the shape, the bottom has an inner knife edge; the rotating block has a rotating part, a crimping part, a counterweight part and a connecting part, and the rotating block and the U-shaped sleeve define the channel of the test piece for the test section of the test piece Pass through, the inner knife edge and the end side knife edge are located on the opposite sides of the test piece passage, and the counterweight keeps the end side knife edge to rotate to narrow the test piece passage, so that the inner knife edge and the end side knife edge are respectively pressed from both sides of the test piece. Tighten the two opposing surfaces of its test section. The present invention also provides a high-temperature mechanical test device comprising the above-mentioned extensometer auxiliary assembly. The aforementioned extensometer auxiliary components can reduce the risk of extensometer slipping, improve the success rate of the test, and can also reduce the difficulty of installation and operation of the contact high-temperature extensometer.

Specifically, the invention is a preparation method of a lingual orthodontic device for tooth correction, which solves the problems that the existing lingual orthodontic technology is difficult to install and the orthodontic wire correction force cannot be kept consistent in application. A method for preparing a lingual orthodontic device for orthodontic treatment, the method comprising the following steps: S1: establishing a digital model of teeth; S2: determining the shape of each floor; S3: determining the shape of an orthodontic strip; S4: Preparation of orthodontic strips; S5: preparation of individual baseplates; S6: assembly of orthodontic strips and baseplates. The invention achieves the purpose of easy installation and light-force orthodontic treatment, effectively reduces the pain in the process of orthodontic treatment, improves the tooth movement efficiency, reduces the doctor's operation and improves the patient's wearing comfort, and effectively improves the lingual orthodontic treatment. The technical level has positive promotional significance.