135results about How to "Easy docking installation" patented technology

The invention belongs to the technical filed of plastering, and particularly relates to a plastering device of a building wall. According to the following scheme, the plastering device includes a bottom plate, a driving assembly is arranged at the top of the bottom plate, a feeding assembly is arranged at the top of the driving assembly, a plastering assembly located in an discharging opening of the feeding assembly is mounted at one end of the driving assembly, locating frames fixedly connected with the top of the bottom plate are mounted at the bottoms of the output ends of the two sides ofthe driving assembly, supporting assemblies are mounted on the sides, away from each other, of the two sets of locating frames, the interiors of the locating frames sleeve extensible assemblies, and the same top abutting against frame is mounted between the tops of the two sets of the extensible assemblies. According to the plastering device of the building wall, fixing solidity of the whole plastering device is improved to avoid shaking of the plastering device during running, the accuracy of plastering is improved, the problem that when a traditional plastering device uses a vibration mode for plastering, imbalance stress is between a plastering board and the wall is changed is changed, so that a plastering layer is overall flat and has balance stress, plastering layer falling off is avoided, and the quality and efficiency of plastering are improved.

The invention discloses a prefabricated toilet and a construction and installation method thereof. The prefabricated toilet includes a bottom plate unit, four wall surface units and a ceiling plate unit which are mutually and fixedly connected; the bottom plate unit, the wall surface units and the ceiling plate unit are constructed by reinforced concrete; doors and windows are arranged on the wall surface units; at least one wall surface unit or a part of one wall surface unit of the four wall surface units is of a semi-prefabricated structural wall, the thickness of the semi-prefabricated structural wall is less than the whole thickness of a building structural wall, a plurality of raised columns are arranged on an outer side surface of the semi-prefabricated structural wall in the normal direction thereof, the height of the raised columns plus the thickness of the semi-prefabricated structural wall equals the whole thickness of the building structural wall, top surfaces of the plurality of raised columns are parallel to the outer side surface of the semi-prefabricated structural wall, and bolts for accurately positioning and installing cast-in-situ wall templates are arranged on the top surface of each raised columns. The prefabricated toilet is easy to construct and install, is firm and stable in structure, and can greatly improve the efficiency of on-site construction.

The invention discloses a mounting method for a sill anchor combined support frame for a steel structure shear wall and an outer frame column base of a super high-rise building. The method comprises the following steps of: S1, paying off at the position of the sill anchor combined support frame after civil foundation bed construction is finished; S2, mounting a transition rack at a proper position; S3, assembling an anchor bolt stock, an anchor bolt and an anchor bolt penetrating rack into an anchor bolt component, and placing the anchor bolt component on the transition rack; S4, preserving slot templates on a steel plate wall or a steel column foot base anti-shear component; S5, performing a primary calibration on the perpendicularity, the planimetric position and the anchor bolt top elevation of the overall anchor bolt component; S6, performing a secondary calibration on the perpendicularity and the elevation of the anchor bolt in the anchor bolt component before pouring concretes; and S8, pouring building foundation concretes. The mounting method has the advantages of assembling the sill anchor combined support off site so as to reduce in-site cross operation, flexibly adjusting the sill anchor combined support according the practical situation on site, greatly improving the construction efficiency and the like.

The invention discloses an anti-resonance device for a steel-concrete composite bridge, and relates to the field of composite bridges. The anti-resonance device comprises bridge panels and an expansion joint body arranged between the two bridge panels. The expansion joint body is formed by welding a plurality of welding pieces to the bottoms of two steel pieces, a buffer assembly is connected between the middles of the steel pieces, a plurality of steel bar inserting rods corresponding to inner cylinder bases are welded to the outer side walls of the two steel pieces, and the steel bar inserting rods are inserted into the inner cylinder bases pre-buried and poured in the side walls of the bridge panels. According to the invention, when the expansion joint body is installed, firstly, a steel bar inserting rod welded to the outer side wall of a steel piece is inserted into a filling inner cavity formed in an inner cylinder base; when the steel bar inserting rod is completely inserted into the inner cylinder base, under the elastic force effect of a compression spring, the lower end of an elastic nail is clamped in a limiting hole in a matched mode, the steel bar inserting rod is preliminarily clamped and limited, the steel bar inserting rod is prevented from being disengaged, and butt joint installation is convenient.

The invention discloses a positioning bracket for assembling and processing based on aircraft wings and belongs to the technical field of aircraft wing mounting brackets. The positioning bracket comprises a frame body and a mounting plate a, wherein the frame body further comprises a lifting mechanism, the lifting mechanism is arranged on the side wall of a top end of the frame body, and the lifting mechanism is used for adjusting the height of the frame body; the mounting plate a is fixed to a side wall of one side of the frame body, a reset mechanism is arranged on the side wall of the side, adjacent to the frame body, of the mounting plate a, the reset mechanism is matched with the lifting mechanism to centralize the placed wing, and the pressing plate synchronously moves downwards so that the pressing plate clamps and limits a surface of the wing; through elasticity of a spring b, damage to the wing caused by clamping is reduced to a certain extent, abrasion caused in the clamping process is further avoided through the gasket, meanwhile, stability of the wing during wing installation and butt joint is further improved, and the situation caused by wing shaking is avoided.

The invention provides an LCW light combined wallboard and a production technique thereof. The LCW light combined wallboard comprises a rectangular frame, a light filling plate and / or a gunite net, a rebar stress net and a surface layer, wherein the rebar stress net and the surface layer are located on two sides of the frame from inside to outside sequentially; the frame is formed by inserting and assembling two convex profiles, two concave profiles and four corner joints, each of the convex profiles and the concave profiles is provided with two parallel side surfaces for being connected with the gunite net or the rebar stress net as well as a butt joint surface located between the two side surfaces; the two convex profiles and the two concave profiles are in inserting connection through the corner joints matched with the shapes of the profiles, right-angle sides are formed, and the rectangular frame is formed through butt joint. Walls can be rapidly connected into a whole to realize the light and anti-seismic effects, the frame production process is simple, welding is not needed, rapid assembly is realized, the production cost is reduced, production line based automation or semi-automation production can be realized, seamless splicing can be realized, and the integral structural strength of the wallboard is high.

The invention discloses a multifunctional disassembling auxiliary platform, which comprises a base. Two first fixing blocks are symmetrically arranged inside the base, the two first fixing blocks areof a U-shaped structure, fixing devices are arranged on sides, opposite to each other, of the two first fixing blocks correspondingly, first sliding grooves are formed in one ends of the two first fixing blocks, first sliding rods are arranged in the first sliding grooves, the two ends of the first sliding rods are fixedly connected with the opposite side walls in the first sliding grooves, two sliding blocks sleeve the first sliding rods, two connecting plates are symmetrically arranged inside the base, openings corresponding to the connecting plates are formed in the two sides of the base correspondingly, the connecting plates are internally provided with hollow grooves, and the hollow grooves are internally provided with connecting rods and limiting devices. According to the multifunctional disassembling auxiliary platform, stability is good, moving is convenient, lifting can be conducted, axial adjustmentcan be conducted in the horizontal and vertical directions, butt installationis convenient, the working time is greatly saved, and the working efficiency is improved.

The invention relates to a fixed-point mounting construction method for prefabricated floor slabs of a house building. Fixed-point mounting equipment for the prefabricated floor slabs of the house building comprises a bottom plate, a jacking device and a bearing device, wherein the jacking device is arranged at the upper end of the bottom plate; and the jacking device is arranged on the bottom plate, and the bearing device is arranged above the jacking device. The fixed-point mounting construction method for the prefabricated floor slabs of the house building solves the problems that the mounting difficulty of the floor slabs is increased due to influence on mounting reinforcements into the floor slabs easily caused by the fact that the floor slabs cannot be clamped from the side edges when existing equipment jacks up the floor slabs for prefabricated floor slab mounting, the mounting regularity of the floor slabs is reduced due to the fact that mounting and butt joint of the floor slabs are not facilitated due to the fact that the equipment cannot move the floor slabs, and meanwhile the mounting efficiency of the floor slabs is reduced due to the fact that it cannot be ensured that the floor slabs are in a horizontal state due to the fact that the same equipment cannot work on both the horizontal ground and the inclined ground and cannot adjust the levelness of the floor slabs.

The invention discloses a fabricated type building main body protection device, and relates to the technical field of building engineering machinery. The protection device comprises a supporting seat, the supporting seat is provided with a height adjusting mechanism used for driving a protection frame to vertically lift, and a transmission frame is provided with a lifting adjusting mechanism used for driving a bottom supporting plate to slide relative to the protection frame. According to the device, a building assembly placed on the bottom supporting plate can be clamped and fixed through an arranged transverse limiting mechanism, the stability of the assembly in the mounting process is guaranteed, and butt joint mounting is facilitated; the arranged lifting adjusting mechanism can adjust the vertical height of clamping plates on the opposite sides of the bottom supporting plate, and thus reasonable adaptive adjustment is achieved according to height parameters of the assembly, and effective supporting and protection in the assembly mounting process are guaranteed; and an arranged anti-falling mechanism can achieve the effective buffering and protecting effect when the assembly falls accidentally, large impact vibration is avoided, and the protecting effect in the assembly mounting process is greatly improved.

The invention relates to the technical field of water supply and drainage pipe auxiliary fixing devices, and particularly relates to a water supply and drainage pipe auxiliary fixing device with a positioning structure for building construction. The water supply and drainage pipe auxiliary fixing device comprises a fixing shaft, wherein an adjusting mechanism is fixedly installed on the left side of the fixing shaft, the adjusting mechanism comprises a fixing plate, the fixing plate is fixed on the left side of a first fixing seat, a first motor is fixedly connected to the surface of the top end of the fixing plate, the right side of the first motor penetrates through the first fixing seat and is fixedly connected with a threaded rod, and the end, away from the first fixing seat, of the threaded rod is rotationally installed on the inner wall of a second fixing seat through a bearing seat. According to the water supply and drainage pipe auxiliary fixing device, the adjusting mechanism is arranged, a sliding sleeve changes the positions of a second hydraulic oil cylinder and a fixing positioning mechanism in the moving process, then fine adjustment is carried out on a pipeline in a pre-buried pit, so that the position of a water supply and drainage pipe is positioned according to needs, deviation is easily caused when the pipeline of the water supply and drainage pipe is in butt joint, and as a result, the butt joint installation of the water supply and drainage pipe is facilitated, and the construction installation efficiency of the water supply and drainage pipe is improved.

The invention provides a pipeline construction supporting auxiliary device used for municipal engineering, and relates to the technical field of municipal construction so as to solve the problems thatin the municipal pipeline mounting process, an existing pipeline supporting device mostly adopts a jack lifting supporting manner, a fixed supporting face is limited, and when a pipeline needs to behorizontally moved, the whole device needs to be moved, the whole device needs to be dragged, and a supporting point is prone to dislocation. The pipeline construction supporting auxiliary device comprises a supporting base. Two adjusting pedestals are slidably mounted at the upper end of the supporting base in a bilateral symmetry manner. A shearing force expanding mechanism is fixedly connectedbetween the two adjusting pedestals. A supporting mechanism is fixedly mounted on each adjusting pedestal. In the device, due to the fact that the lower ends of inner supporting tables and the lower ends of outer supporting tables are installed on a guide rail in a sliding manner through u-shaped sliding blocks, when lead screws A rotate, supporting cushion blocks protrude upwards, and therefore apipeline is supported; and when supporting arm plates are flattened, the supporting arm plates can penetrate through the bottom of the pipeline to jack up the pipeline to facilitate installation andbutt joint.

The invention discloses an engineering machinery electrical equipment inspection bench. The inspection bench comprises a trapezoid-shaped support, a lifting frame assembly is arranged at the bottom ofthe trapezoid-shaped support, a metal frame is rotationally connected to one side of the trapezoid-shaped support, a touch display screen is embedded in the metal frame, a lifting mechanism is arranged at the top of the trapezoid-shaped support, a mounting plate is arranged at the bottom of the lifting mechanism, four strip-shaped holes distributed in an X-shaped manner are formed in the mountingplate, a screw hole is formed in one side of the top of the mounting plate, a laser rotation speed sensor is in threaded connection with the inner wall of the screw hole, a metal sleeve is rotationally connected to the side, away from the metal frame, of the trapezoid-shaped support, and a metal shaft is rotationally connected to the inner wall of the metal sleeve. The trapezoid-shaped support isconvenient to adjust, the height of the mounting plate is conveniently adjusted so that a to-be-detected motor can be conveniently and fixedly mounted on the mounting plate, and meanwhile, the position of the to-be-detected motor is adjusted conveniently with the cooperation of the arranged lifting mechanism.

The invention discloses a hemp thread removal device of tobacco products. The device comprises an impurity removal roller way arranged in a conveying groove of a vibration conveyor, an impurity removal roller is formed through combined arrangement of thread impurity removal rollers, the thread impurity removal rollers are of split type roller structures and comprise roller bodies arranged on roller shafts in a sleeving manner and each formed through abut joint of two half roller bases, multiple discharging racks made of elastic materials are evenly distributed on the roller faces of the rollerbodies in the circumference direction, the thread impurity removal rollers are arranged on the conveying groove through the corresponding roller shafts and matched bearings, transmission gears are fixedly arranged on roller shaft ends, located on the same side, of the thread impurity removal rollers, the transmission gears are in transmission connection with a drive mechanism, the drive mechanismcomprises a driving wheel and multiple driven wheels distributed on the outer wall of the conveying groove, and the driven wheels are located between two adjacent transmission gears and are in engaged connection with the transmission gears on two sides adjacent to the driven wheels. Threads such as hemp ropes and hemp browns can be subjected to efficient impurity removal and eliminating, and thedamage to the tobacco leaves can be reduced.

The invention discloses a pressure bearing container of a heat accumulating type heater. The pressure bearing container meets the mounting, fixing and connecting requirements of refractory materials,it is guaranteed that the pressure bearing container works within the allowable temperature range, thermal stress damage in the working process is avoided, the structure supporting and positioning structure in a shell is clear, construction is convenient and fast, airflow circulation and uniformity are effectively guaranteed, and thermal stress gathering in the long-time oven drying process is prevented. The pressure bearing container comprises an outer shell, a fuel gas outlet three-way companion flange, a high-temperature air outlet companion flange, a combustor companion flange, a water cooling jacket assembly, a temperature measuring flange and a bottom supporting structure, wherein the fuel gas outlet three-way companion flange, the high-temperature air outlet companion flange, the combustor companion flange, the water cooling jacket assembly and the temperature measuring flange are arranged on the outer shell, and the bottom supporting structure is arranged in the outer shell andused for bearing a heat accumulator and a heat insulation layer.

The invention relates to the technical field of motor connecting devices for projection display devices, in particular to an elastic connecting device. The elastic connecting device comprises a motor device, elastic couplers, a six-shaft adjusting frame, adjusting shafts and limit shaft bushings. The adjusting shafts are arranged in the six-shaft adjusting frame, and the limit shaft bushings are sleeved outside the adjusting shafts and fixedly connected with the same. Each elastic coupler is connected with a motor output shaft of the motor device and comprises a connector, an elastic structure, an elastic shaft and a limit plate, and the elastic structures, the elastic shafts and the limit plates are arranged in the connectors. The limit plates are fixed on the connectors, one ends of the elastic shafts are arranged in the connectors, and the other ends of the elastic shafts penetrate through the limit plates. Each limit shaft bushing is provided with a clamp structure, the elastic shafts are clamped into the clamp structure, the elastic couplers are connected with the adjusting shafts, and the output shaft of the motor drives the adjusting shafts to rotate. The elastic shafts and the limit shaft bushings are matched, so that connection among the shafts cannot be stuck, and wire contact is realized simultaneously. The elastic couplers are free of affection of eccentricity and angle deflection, and eccentricity and angle deflection of connection among the shafts are solved.

The invention discloses a power part structure of a cogging mill. The power part structure comprises a power motor, the output end of the power motor is connected with a power reducer and then is connected with a herringbone gear seat through a coupler, and the two output ends of the herringbone gear seat are connected with the end of a lower roll and the end of an upper roll through composite connecting shafts. The power part structure is characterized in that the end of an input shaft of the herringbone gear seat is connected and provided with a limiting sleeve and a connecting sleeve, the connecting sleeve and the input shaft of the herringbone gear seat are in transmission fit through gear meshing, and the connecting sleeve is fixedly connected with an output shaft of the power reducer through a flange and a flange protrusion arranged between the connecting sleeve and the output shaft of the power reducer and a reaming bolt. According to the power part structure of the cogging mill, mounting and butt joint of the output shaft of the power reducer and the input shaft of the herringbone gear seat can be facilitated, and assembling convenience is improved; meanwhile, the clearance of a connecting bolt and connecting holes in a coupler can be adjusted and eliminated conveniently, transmission reliability and stability are guaranteed, and the smooth work of the power part is guaranteed.

The invention relates to the technical field of oil-gas-water treatment in oil fields, and provides a full-gravity balance separation and dehydration integrated device in order to realize simple and efficient oil-gas-water separation of crude oil, which comprises a first tank body and a second tank body, an oil-gas-water separation cavity is arranged in hte first tank body, a sedimentation water purification cavity, a sedimentation oil purification cavity and an alternating current and direct current dewatering cavity which are not communicated with one another are formed in the second tank body, the first tank body is connected with the second tank body through downcomers, the downcomers comprise an oil purification cavity downcomer and a water purification cavity downcomer, the two ends of the oil purification cavity downcomer are communicated with the oil-gas-water separation cavity and the sedimentation oil purification cavity, and the other ends of the water purification cavity downcomer are communicated with the oil-gas-water separation cavity and thesedimentation water purification cavity. The invention further provides a crude oil treatment method of the full-gravity balance separation and dehydration integrated device, the device can complete crude oil dehydration by completely adopting pressure energy of liquid coming from a well mouth without additional pressurization, energy consumption is saved by more than 50%, and the crude oil purification short-process treatment process of the high-water-content oil field is realized.

The invention discloses convenient-to-install butt-joint monitoring equipment for industrial processing, and the equipment comprises a fixed seat, a connecting plate, an installation housing, and a monitoring main body, wherein the bottom end of the fixed seat is fixedly provided with a disassembly and assembly structure, and the other end of the interior of the installation housing is provided with an anti-fog mechanism. By arranging the disassembly and assembly structure, monitoring equipment can be conveniently and rapidly mounted and connected, the fixed seat is mounted on a wall surface through expansion bolts, then the monitoring main body is taken to the bottom end of the fixed seat, a limiting block is connected to the bottom of a limiting groove, auxiliary pull rings are sequentially pulled towards two sides, the auxiliary pull rings drive pull plates to stretch telescopic springs towards one sides, the pull plates enable insertion rods to move towards the two sides, the limiting block is installed in the limiting groove, finally the auxiliary pull rings are loosened, at the moment, the insertion rods are inserted into insertion grooves due to stretching and retracting ofthe telescopic springs, the butt-joint installation of the monitoring main body is completed, the operation efficiency is high, and time and labor are saved during disassembly and maintenance after installation is completed.

The invention discloses a working method of an anti-resonance device for a steel-concrete composite bridge and relates to the field of bridges. A first damping spring and a second damping spring in abuffer rod piece are used for buffering vibration in a horizontal direction and a third spring and a first spring are used for buffering vibration in a vertical direction when corresponding deformation occurs between two steel pieces during smaller first vibration, and the steel pieces recover under an elastic action of the springs after vibration is relieved; when large second vibration occurs, corresponding deformation occurs between the two steel pieces; due to deformation, an upper welding part is not enough to provide support and the upper welding part deforms; and the deformation of theedge of the welding part drives the lower welding part through the second spring so that the upper welding part and the lower welding part are close to each other, a bulge is matched with a notch in an embedded manner, the upper welding part can still be bent within a certain bent range after being embedded, the inner side of the notch starts to contact after the vibration is continuously increased, and the lower welding part with the bulge with higher rigidity provides enough support and buffer.

The invention discloses a stull steel pipe structure with a connector device, and a construction method thereof, and relates to the technical field of engineering construction. The stull steel pipe structure comprises a first steel pipe and a second steel pipe which are in butt joint with each other, and the connector is disposed at the butt joint position of the first steel pipe and the second steel pipe. The stull steel pipe structure is characterized in that the connector device comprises a first mounting base which is fixedly arranged, wherein the first mounting base is mounted at one end, far from the second steel pipe, of the first steel pipe; and a supporting part, wherein the supporting part is supported below the butt joint position of the first steel pipe and the second steel pipe, and the supporting part is mounted on the first mounting base. According to the stull steel pipe structure with the connector device, the length is adjustable, and butt joint installation is convenient, construction efficiency is high, and structural stability is high.

The invention discloses a feeding device of tin-cutting and sending integrated chip mounter, comprising a main mounting board and a control electrical cabinet, wherein the main mounting board is respectively provided with a tin roller, a tin wire transmission wheel, a guide tube, a tin cutter, a tin particle guiding groove and a tin particle location sensor in sequence, wherein the tin wire transmission wheel is connected with a transmission wheel motor; the guide tube is spanned between the tin wire transmission wheel and the tin cutter; a tin particle guiding groove is installed between the tin cutter and the tin particle location sensor; the control electrical cabinet is respectively connected with the transmission wheel motor, the tin cutter and the tin particle location sensor. The feeding device of tin-cutting and sending integrated chip mounter has the advantages of simple and rational structure, short transmission distance, rapid speed and high efficiency, random adjustment of tin particle size and tin sending speed, and high tin particle location precision, and can take tin roll as the raw material and synchronously finishes the tin sending / cutting process, and obviously reduces the using cost without generating the packing material waste.

The invention discloses an accelerated converging device for cigarette box conveying. The accelerated converging device comprises a main conveying track and a branch conveying track. An accelerated converging structure is arranged between the outlet of the branch conveying track and the main conveying track. The accelerated conveying structure comprises a driving support, driving units and a driving motor. Each driving unit is composed of a driving wheel, a tail wheel and a driving belt which is arranged on the driving wheel and the tail wheel in a sleeving mode. The multiple driving units are arranged in the width direction of the branch conveying track. A posture adjusting structure is arranged at the position, in front of the accelerated converging structure, of the main conveying track and arranged on the side, close to the branch conveying track, of the main conveying track. The posture adjusting structure comprises an adjusting wheel set formed by arranging multiple adjusting wheels in an arc shape. The arc top of the arc where the adjusting wheel set is located is protruded into the conveying face of the main conveying track from outside to inside from the position above the main conveying track. The accelerated converging device is wide in using range, simple in structure, high in reliability, multifunctional and high in working efficiency, and waiting time of the main conveying track is shortened.

The invention discloses a hoisting mechanical assembly based on atmospheric pressure vacuum adsorption. The hoisting mechanical assembly comprises a hoisting main body disc seat, wherein a support seat is fixedly connected to the outer side of the top of the hoisting main body disc seat; a connecting mechanism is installed above the support seat; an adsorption mechanism is installed at one end, far away from the support seat, of the connecting mechanism; the adsorption mechanism is fixed on a smooth surface through an air pressure difference value formed by vacuumizing, and can also be adsorbed on a metal smooth surface in cooperation with an electromagnet, so that double adsorption is safer and firmer; a hoisting disc upper mounting seat is arranged at the position, positioned between thesupport seats, of the outer side of the top of the hoisting main body disc seat; and a hoisting butt joint piece slideway is formed in the bottom of the hoisting main body disc seat. The invention relates to the technical field of hoisting machinery. According to the hoisting mechanical assembly based on atmospheric pressure vacuum adsorption, the problems that an existing hoisting mechanical assembly is fixed by adopting punching, the whole mechanism is inconvenient to install, cannot be fixed on smooth glass or a smooth metal plate, and is very inconvenient are solved.

The invention discloses a tube box welding structure and a manufacturing method. The tube box welding structure comprises a barrel, wherein the side walls of the barrel are provided with a feed inlet and a discharge outlet respectively, a flat base end socket and a tube plate are welded to the two ends of the barrel respectively, the lower portion of the tube plate is communicated with six heating tubes, two baffle plates in the barrel divides the barrel into four chambers, the first chamber enables the feed inlet to be communicated with the first heating tube, the second chamber enables the second heating tube to be communicated with the third heating tube, the third chamber enables the fourth heating tube to be communicated with the fifth heating tube, and the sixth chamber enables the second heating tube to be communicated with the discharge outlet. The manufacturing method includes the steps of welding the barrel, the tube plate, the baffle plates and the flat base end socket in sequence. The tube box welding structure and the manufacturing method facilitate shaping of a tube box, enable welding operation to be more convenient, and better facilitate spacing distribution after baffling is completed.

The invention discloses a cigarette carton quality detection device, relates to the technical field of cigarettes, and aims to solve the problem of low detection performance caused by low adjustment flexibility in the detection process of existing cigarette cartons. A surrounding identification detection structure is installed above the transmission detection structure, a surface pressing structure is arranged on one side of the transmission detection structure, an internal detection structure is installed on one side of the surface pressing structure, and an extraction test structure is arranged on one side of the internal detection structure. A feeding structure is installed at the front end of the transmission detection structure, a butt joint hole is formed in the surface of the feeding structure, an overturning plate is installed in the middle of the transmission detection structure, a supporting column is installed at the lower end of the transmission detection structure, and the supporting column is fixedly connected with the lower end of the transmission detection structure; the inner wall of the transmission detection structure is provided with an adjusting plate structure, and the adjusting plate structure is fixedly connected with the inner wall of the transmission detection structure.

The invention discloses a combined sealing sleeve. The sleeve comprises a casing pipe for butt-jointing two pipelines and a sealing ring mounted on the casing pipe in a sleeving manner and used for sealing the two pipelines butt-jointed by the casing pipe, wherein the sealing ring comprises a main body part sleeving outer walls where the two pipelines are butt-jointed, a pair of thrust parts arranged at two ends of the main body part and used for preventing the main body part from axially moving during mounting of the pipelines, a limiting part arranged on the inner wall of the main body part and used for limiting mounting positions of the two pipelines butt-jointed by the main body part as well as anti-seepage parts arranged on the inner wall of the main body part and used for preventing leakage of liquids in the pipelines after the two pipelines are butt-jointed by the main body part. The combined sealing sleeve can butt-joint the two pipelines conveniently and efficiently, is economical, has the good leakage-proof effect and can be produced in a large batch, the production efficiency is high, and the production cost is reduced. Besides, the invention further provides a manufacturing method of the combined sealing sleeve.

The invention relates to a municipal engineering pipe fitting mounting construction method. The method mainly comprises the following steps and various working procedures of material preparation, a mounting operation, a butt joint operation, a gluing operation and the like. Used pipe fitting mounting equipment comprises a bottom plate, a feeding device, a turnover device, an adjusting device and a clamping device. According to the municipal engineering pipe fitting mounting construction method, the following problems existing in an existing pipeline mounting and conveying operation can be solved: a, during traditional pipeline conveying and mounting, the pipelines need to be manually held by hands to perform a connection operation between the pipelines, and the danger is large when the pipelines are manually held by hands at high altitude for connection; and b, existing pipeline mounting equipment cannot perform a stable feeding operation on pipelines and cannot perform a stable butt joint operation on the pipelines, so that the mounting efficiency and quality of the pipelines are reduced.

The invention discloses a seamless butt joint type ultrathin LED glass screen. The glass screen comprises a first glass screen body, a second glass screen body, a third glass screen body and a fourth glass screen body, seam splicing structures are arranged among the first glass screen body, the second glass screen body, the third glass screen body and the fourth glass screen body, and the first glass screen is formed by sequentially arranging a light guide plate, an optical film, a first polarizing plate, a first glass substrate, a first color filter, a second alignment film, liquid crystals, a first alignment film, a second color filter, a second glass substrate, a second polarizing plate and a glass outer plate. According to the seamless butt joint type ultrathin LED glass screen, the problem of gaps of a traditional LED glass screen is effectively solved, the phenomenon that the gaps affect picture projection is avoided, the comfort degree of people for watching pictures is improved, butt-joint installation of the LED glass screen is facilitated, installation convenience is greatly improved, and a fixed mounting tool does not need to be customized according to the size of the LED glass screen, so that the glass screen is higher in applicability.