74results about How to "Adjust verticality" patented technology

The invention provides a simple, safe, economic and high-efficiency steel column splicing three-dimensional adjusting method, which adopts a steel column adjuster developed by the inventor to adjust the verticality, height and width of a seam. The method has reasonable process, high positioning precision and advanced technology during the adjusting construction of a steel column, and has remarkable social benefits and economic benefits. The method comprises the following steps of: welding ear plates on a steel column and snapping a center line; lifting the steel column in place, placing the steel column adjuster between the upper ear plate and the lower ear plate according to four directions and adjusting the directions by abutting against the ear plates; fixing an ear plate connecting plate with the upper ear plate and the lower ear plate by using bolts; placing a magnetic plumb bob, adjusting and rotating a middle screw rod till the steel column is perpendicular; determining whether the steel column is perpendicular or not by comparing the distance between the lower end line and the upper end line of the magnetic plumb bob; adjusting the height and the seam while adjusting the verticality; temporally fixing the steel column by using electric welding after the three dimensions of the steel column are corrected; and dismounting a lifting hook and the magnetic plumb bob to finish the mounting by performing final welding and mounting of the steel column.

The invention provides a composite building template compound system. The composite building template compound system comprises a stair template and a closed type internal corner template. The stair template comprises blocking plates, pinking teeth, stair side plates, stair treads and stair risers. The stair treads and the stair risers are arranged sequentially from bottom to top in a staggered mode to form steps. The steps are installed between the stair side plates and the inner side faces of the pinking teeth. The outer side faces of the pinking teeth are arranged on a wall. The blocking plates are arranged at the bottoms of the pinking teeth, the stair side plates and the steps. A closed-opening type pouring space is formed among the blocking plates, the pinking teeth, the stair side plates, the stair treads and the stair risers. The upper end faces of the stair treads are provided with feed inlets. The closed type internal corner template comprises first end plates and first side plates which are connected mutually to form a cuboid. Any two adjacent first side plates are provided with a connection part and an operation part. The operation parts are connected in a butt joint mode in the intersections of the first side plates. The connection parts are provided with first connection holes. The operation parts are provided with operation holes. The composite building template compound system is a complete set of system.

The invention discloses a leveling supporting frame for an optical level. The leveling supporting frame comprises supporting legs and a supporting platform, a supporting rod is fixedly connected at the top end of each supporting leg, a supporting base is fixedly connected at the top ends of the supporting rods, the upper surface of the supporting base is fixedly connected with a supporting column, an adjusting ball is fixedly connected at the top end of the supporting column, the upper surface of the supporting base is fixedly connected with a lower adjusting rod, an adjusting groove is formed in the lower surface of the supporting platform, the inner wall of the adjusting groove is slidably connected with a ball, and the surface of the ball is slidably connected with the surface of the adjusting ball. The leveling supporting frame realizes effect of adjusting both levelness and perpendicularity of the optical level, levelness and perpendicularity of the supporting platform can be adjusted accurately, and the problem of poor adjusting effect caused by rotating of the upper adjusting rod when a threaded pipe is adjusted can be avoided effectively, so that the problem of inconvenience in adjusting levelness and perpendicularity of common levels is solved effectively.

The invention provides a mechanical adjusting centering wheel device for a stepping type heating furnace bottom. The mechanical adjusting centering wheel device can achieve centering adjusting of a lead rail of a moving frame. The mechanical adjusting centering wheel device for the stepping type heating furnace bottom comprises a centering wheel support saddle, a centering wheel set installed in a wheel groove of the centering wheel support saddle, wherein the centering wheel set comprises a centering wheel and a centering wheel shaft which passes through the centering wheel; a centre regulating roller bearing and a centering wheel shaft sleeve are arranged between the centering wheel shaft and the centering wheel, and a bearing press cover is arranged on the end face of the shaft sleeve; long shaft holes for penetrating through the centering wheel shaft are arranged at two sides of the wheel groove of the centering wheel support saddle; the centering wheel can be driven to upwards levelly transmit along the long shaft hole in the vertical axial direction through the centering wheel shaft; and a pair of parallel adjusting lead screws are symmetrically arranged outside the centering wheel support saddle, and are respectively connected to two ends of the centering wheel shaft; and the adjusting lead screws are used for adjusting the level moving distance of the centering wheel shaft in the long shaft hole. With adoption of the mechanical adjusting centering wheel device for the stepping type heating furnace bottom, clearance between the centering wheel and a centering lead rail can be adjusted, and verticality of the centering wheel shaft also can be adjusted.

The invention discloses a wallboard mounting robot which comprises a car body device, a translation jacking device and a swinging clamp jaw device, wherein the car body device comprises a chassis frame; a first translation plate is arranged on the chassis frame and slidably connected with the chassis frame; the translation jacking device comprises a first supporting frame, a second translation plate and a third translation plate; the first supporting frame is rotationally connected with the first translation plate; the second translation plate is slidably connected with the first supporting frame; the third translation plate is slidably connected with the second translation plate; and the swinging clamp jaw device is rotationally connected with the third translation plate, and used for grabbing, fixing and releasing a wallboard. By the adoption of the wallboard mounting robot provided by the invention, the full-automatic wallboard mounting process can be achieved; when the wallboard mounting robot is in use, no manual readjustment is needed and only one person is needed to check the mounting accuracy, so that the working intensity of wallboard mounting construction can be greatly reduced; and due to the full-automatic mechanical mounting process, the construction efficiency and the construction quality can be improved.

The invention discloses a cantilever formwork for concrete construction and a construction method thereof, and belongs to the technical field of bridge construction. The problems that construction iscomplicated, cost is high and concrete surface smoothness is low when the outer surfaces of all supporting columns of a bridge are constructed are solved. The cantilever formwork comprises a cantilever formwork support, an anchoring assembly and a planar formwork and is a single-sided wall body climbing formwork used for formwork construction of concrete linings and other structures of dams, piers, concrete retaining walls, tunnels and underground plants, the formwork is easy and rapid to construct and economical, the concrete surface is smooth, the support, the formwork and construction loadsare all borne by an embedded piece assembly, no scaffold needs to be additionally erected, and the formwork is suitable for aloft operation; by means of an anchoring device, the formwork is closely attached to a concrete wall surface, and mortar leakage and slab end faulting are prevented; an inclined strut is arranged on the cantilever support, and the perpendicularity of the formwork can be conveniently adjusted; all connectors are standard, universality is high, and a hanging platform is arranged at the lower portion of the formwork and can be used for assembling and disassembling embeddedpieces and processing the concrete surface.

The invention relates to the field of buildings and provides a section steel reinforced concrete beam column framework joint and a joint construction method to solve the problems that an existing beamcolumn joint is poor in structural performance and coordination between section steel construction types and bar construction types is difficult. The section steel reinforced concrete beam column framework joint comprises section steel construction and bar construction. The section steel construction comprises section steel columns and section steel beams. The bar construction comprises a columnreinforcement cage which is composed of column main reinforcements and column stirrups and a beam reinforcement cage which is composed of beam main reinforcements and beam stirrups. The section steelcolumns are provided with first sleeves, and one ends of the beam main reinforcements are fixedly connected to the first sleeves. The section steel beams are provided with first through holes. The column stirrups penetrate the corresponding first through holes. The steel reinforced concrete beam column framework joint has the beneficial effects that the structural performance is good, the bearingcapacity is high, installation between the steel construction types and the bar construction types is coordinated well, and the schedule of an engineering project is accelerated.

The invention provides a prefabricated part butt joint interface quality detection and treatment method and relates to the field of assembly type construction. The method comprises the following steps: performing three-dimensional scanning on the installed first prefabricated part and generating an actual three-dimensional graph of the first prefabricated part by a background processing system; and performing the virtual assembly of the actual three-dimensional graph of the first prefabricated part and the design model graph of a second prefabricated part to be installed on the background processing system, and comparing and analyzing whether deviation exists between the perpendicularity of the first prefabricated part and the second prefabricated part and the flatness of the butt joint interface, and when no deviation exists, directly processing the second prefabricated part to be installed and entering the next step; and when deviation exists, calculating an adjusting parameter for machining the butt joint interface of the second prefabricated part to be installed, and machining and manufacturing the second prefabricated part to be installed, and completing the maintenance; conveying the second prefabricated part to a construction site, and completing the assembling construction of the first prefabricated part and the second prefabricated part according to the requirement ofthe assembled design diagram.

The invention discloses a compound pure water filtering machine which comprises a barrel, an inner filter screen, an outer filter screen and a T-shaped feeding pipe, wherein the barrel is supported by bottom studs; the inner filter screen and the outer filter screen are arranged in the barrel in turn from inner to outer and are coaxial with the barrel; a discharging hole is formed in the end part of a vertical pipe of the T-shaped feeding pipe; a flow adjusting mechanism is mounted on a feeding hole of the T-shaped feeding pipe; a disc distributing head is arranged at the discharging hole of the T-shaped feeding pipe; a plurality of injection pipes forming same angles with the radius of the inner filter screen are uniformly distributed on the disc distributing head; a rotating mechanism, which is integrally connected with the inner filter screen, takes the impacting resultant force of water flow jetted by the injection pipes to the inner filter screen as power and rotates around the axis of the vertical pipe of the T-shaped feeding pipe, is mounted on the T-shaped feeding pipe. The compound pure water filtering machine can be used for effectively filtering fibers from pure water, recycling and reducing discharged solids and increasing the yield of raw materials. Filtered water acquired according to a physical method can be applied to common low-pressure spraying and the purpose of saving clean water can be achieved.

The invention discloses a translation door which comprises a main stand column and an assistant stand column; a beam is arranged between the main stand column and the assistant stand column; a light box is arranged on the side, close to the assistant stand column, of the lower end of the beam; a motor integration seat is fixedly arranged on the other side of the beam; the motor integration seat ismovably provided with a gear; the gear is driven by a servo motor; the gear meshes with a rack plate; the rack plate is fixedly mounted on the inner side of the upper end of a movable door body; andone side of the movable door body movably positioned in the light box in a penetrating mode. Hook bolts are fixedly arranged on the inner lateral sides of the upper ends of the main stand column and the assistant stand column; and the hook bolts are movably clamped into bolt grooves on the two lateral end faces of the beam. Due to the heavy weight of the beam, in the prior art, the beam needs to be lifted by two persons when mounted and then screws are mounted, and time and labor are wasted; according to the translation door, the hook type beam is adopted, specifically, the beam can be hung onthe hook bolts on the inner sides of the main stand column and the assistant stand column in an inclined mode and then the person leaves the beam and fixes the screws, so that installation is convenient.

The invention provides a rotating joint connecting device for a prefabricated component inclined strut and an application method. The rotating joint connecting device aims at solving the problems that when an inclined strut used for adjusting the perpendicularity is mounted through a PC component, the inclined strut is subjected to eccentric compression due to off position of pre-buried parts, and thereby mounting quality of the whole prefabricated component is influenced. The connecting device comprises an embedded plate, a 360-degree rotatable joint and a limiting component, the embedded plate is fixedly connected with the PC prefabricated component through embedding parts, the 360-degree rotatable joint is perpendicular to a prefabricated wall component or a prefabricated floorslab component and fixedly connected to the embedded plate, and the limiting component penetrates through the end of the inclined strut and is fixedly connected with the free end of the 360-degree rotatable joint. By means of the connecting device, hinge of joint positions can be achieved, and the situation that additional stress is generated to slabs and support bars is avoided. The application method comprises the following steps: 1, fixedly connecting the two ends of the inclined strut with the prefabricated wall component and the prefabricated floorslab component respectively; 2, rotating the inclined strut, so that the end of the inclined strut is perpendicular to the embedding parts.

The invention provides engineering surveying equipment for urban and rural planning, which comprises a bracket, the bracket comprises an annular seat body, the annular seat body is provided with supporting legs, the annular seat body is provided with a rotating ball in a ball socket matching manner, and the rotating ball is provided with a bearing plate for bearing a measurement equipment body above the annular seat body, the rotating ball is provided with a gravity block below the annular seat body, and a fine adjustment device is arranged between the gravity block and the rotating ball, so that the technical problem of improving the leveling precision is solved.

The invention relates to a rubber triangular track and tire changeover device and a use method thereof, Includes: a frame, the frame is an L-shaped frame structure, includes a bottom frame and a sideframe secured to and perpendicular to one end of the bottom frame, the bottom frame is provided with a tire lifting mechanism, the tire lifting mechanism is connected with a transmission link mechanism fixed to the side frame, the drive linkage mechanism is connected with a drive mechanism fixed to the bottom frame, the driving mechanism drives the motion of the tire lifting mechanism through thedriving linkage mechanism, A limit position mechanism and an adjusting mechanism are fixed on that top end of the side frame. The changeover device of the invention reduces the dependence of the changing work on the working condition, makes the changeover work of the tire and the triangular track simple and easy, and effectively improves the popularization and application of the rubber triangulartrack and the tire interchanging technology.

The invention discloses an additionally arranged elevator shaft structure and a construction method thereof. The additionally arranged elevator shaft structure comprises a plurality of shaft segmentswhich are spliced to each other, each shaft segment comprises a plurality of vertical columns, and the vertical columns of every two adjacent shaft segments are spliced to each other through interfaces. Each interface includes a first interface fixedly connected to one vertical column and a second interface fixedly connected to the other vertical column, one of the first interfaces and the secondinterfaces is provided with a guiding member, and the other of the first interfaces and the second interfaces is provided with a limiting member matched with the guiding member. The first interfaces and the second interfaces are further provided with mutually matched fixing members. Through the arrangement of the first interfaces and the second interfaces, the additionally arranged elevator shaftstructure and the construction method thereof can realize segmentation construction of an elevator shaft, and at the same time, the degree of coincidence and verticality of the shaft at the upper andlower ends are adjustable during the construction process.

The invention discloses a perpendicularity-adjustable support for pile foundation construction. According to the perpendicularity-adjustable support for pile foundation construction, when pile driving work of a round pile is carried out, the perpendicularity of the round pile can be adjusted and controlled in advance, then corresponding adjustment can be carried out according to the site construction environment, the working quality of pile foundation construction is ensured, the working efficiency is improved, and the construction economic benefits are improved; through the linkage cooperation effect of a arranged supporting body, an adjusting mechanism, a regulation and control auxiliary mechanism and a locking mechanism, in the pile driving work process, the perpendicularity of the round pile can be well adjusted, it is ensured that the round pile can meet the construction standard for pile driving construction, the stability of pile driving work can be improved, and the pile driving efficiency is improved; and in addition, a piling supporting frame designed in the scheme can be recycled, waste of materials is reduced, cost is reduced, and economic benefits are increased.

The invention discloses a compound white water filter, which comprises a cylinder body supported by feet, an inner filter screen and an outer filter screen which are arranged inside the cylinder body in sequence from the inside to the outside and are both coaxial with the cylinder body, and "T "shaped feed pipe; the end of the vertical pipe of the "T" shaped feed pipe is provided with a discharge port; the feed port of the "T" shaped feed pipe is equipped with a flow regulating mechanism, "T" The discharge port of the shaped feed pipe is provided with a disc distribution head, which is evenly distributed with several spray pipes forming the same angle with the radius of the inner filter screen; the "T" shaped feed pipe is installed There is a rotating mechanism connected with the inner filter screen as a whole, driven by the impact resultant force of the water flow sprayed by the injection pipe on the inner filter screen, and rotating around the vertical axis of the "T"-shaped feed pipe. The invention can effectively filter and recycle the fibers in the white water, reduce the discharge of solid matter, and increase the yield of raw materials; the filtered water obtained by the physical method can be used for ordinary low-pressure spraying, so as to save clean water.

The invention discloses a verticality adjusting device for rear baffles of hydraulic swing plate shears. The verticality adjusting device comprises a rear baffle body, a rear baffle support vertical plate, a central connecting bolt, a fixed adjusting plate, a sliding adjusting plate, a central stopper, a left adjusting bolt, a right adjusting bolt and a check nut. The fixed adjusting plate, the sliding adjusting plate and the rear baffle support vertical plate are disposed from rear to front in sequence. The fixed adjusting plate is welded on the rear baffle body. The central stopper is disposed in slides at the centers of the fixed adjusting plate and the sliding adjusting plate and is in tight fit with a hole of the rear baffle support vertical plate. The central connecting bolt matches with a threaded hole of the fixed adjusting plate. The fixed adjusting plate and the sliding adjusting plate are tightly attached through a nut and a spring washer and are tightly pressed onto the rear baffle support vertical plate. The left adjusting bolt and the right adjusting bolt are disposed on left and right sides of the sliding adjusting plate and are tightened by the check nut and the central stopper. The verticality adjusting device is high in adjusting speed, convenient, easy, high in adjustment precision, and high in reliability.

The invention relates to the technical field of anti-theft technologies of pole tower devices, and discloses an appliance special for an overhead line structure device anti-theft device. The applianceincludes a vertical pole, the top of the vertical pole is fixedly connected with a support plate, the surface of the vertical pole is sleeved with an anti-theft box in a connected manner, a push plate is movably connected to the inside of the anti-theft box, a screw is movably connected to the surface of the push plate, and a conductive member is movably connected to the end, away from the push plate, of the screw; and pull wires are movably connected to the surface of the anti-theft box, the surfaces of the pull wires are sleeved with adjusting boxes, and the interiors of the adjusting boxesare movably connected with a gear. When a thief conducts twisting, the pull wires can be tightened rather than being released, and the effect that the connecting manner is only known by professionaland the stealing difficulties are increased is achieved; when the thief conducts twisting to rotate the gear, the pull wire on the lower portion is contracted, the pull wire on the upper portion stretches out, and the effect of adjusting the supporting force of the vertical pole is achieved; and when the thief conducts twisting on the adjusting boxes on the two sides, the effect of adjusting the verticality of the vertical pole is achieved.

The invention relates to the technical field of engineering measurement articles, and particularly relates to a support-free leveling rod. The support-free leveling rod comprises a leveling rod body,fixed pieces, sliding pieces and adjustment devices, wherein one side of the leveling rod body is a scale surface; the fixed pieces are cylindrical and are provided with a rectangular bayonet respectively; the rectangular bayonets are fixedly connected with non-scale surfaces of the leveling rod body; one sliding hole is formed in each of the side surfaces of the fixed pieces; one annular groove is formed in each of the sliding holes; one end of each sliding piece is mutually meshed with the each annular groove and is connected with the each annular groove in a sliding manner; the other end ofthe each sliding piece penetrates out of the each sliding hole and is fixedly connected with the each adjustment device; the each adjustment device comprises a spherical hinge and a support rod; spherical shells of the spherical hinges are fixedly connected with sliding pieces; spherical bodies of the spherical hinges are fixedly connected with the support rod. According to the support-free leveling rod disclosed by the invention, the support-free leveling rod does not need to be supported manually during measurement, micro-adjustment also can be carried out, measurement data is accurate, andan original bench mark of a wall side can be measured.

The invention relates to the technical field of building decoration engineering equipment, in particular to a machining device and a machining process for building exterior wall decoration dry-hangingstone. The machining device comprises a conveying device for moving the stone, adjusting devices for performing corresponding adjusting and fixing according to the size of the stone, and a drilling device for drilling the stone, wherein the conveying device comprises a driving motor, a main transmission belt, an auxiliary transmission belt, supporting legs, a supporting frame, transmission rollers and a conveying belt; each adjusting device comprises a servo motor, threaded rods, a gear cylinder, abutting plates, a square block set, a gear disc and an intervention groove; and the drilling device comprises electric telescopic air cylinders, rectangular plates, stepping motors, ball screws, rotating motors, multi-functional drill bits and rectangular blocks. The machining device has the effects of being good in machining precision, small in operation risk and capable of saving labor and punching holes in a specific shape.

The invention belongs to the technical field of building construction, and discloses a multifunctional block building assembly construction floor combined leveling device and a multifunctional block building assembly construction floor combined leveling method. The multifunctional block building assembly construction floor combined leveling device comprises an area positioning module, a wall piecehoisting module, a filling layer width adjusting module, a concrete pouring module, a central control module, a perpendicularity measuring module, a levelness measuring module, a parameter presettingmodule, an analysis module, a correction module, a strength measuring module, a compaction module and a data storage module. An to-be-assembled area is positioned, and the effect of improving the definition of a target image can be achieved; the verticality and the levelness of wall pieces can be adjusted by measuring the verticality and the levelness of the filling layer; leveling is carried outbefore hoisting construction, the requirements for perpendicularity and flatness are directly met after the wall pieces are in place, and the hoisting efficiency of the wall pieces can be remarkablyimproved; and after the concrete strength is measured and the concrete is compacted, the fixing effect of the wall pieces is better.

The invention belongs to the technical field of machine tools, and particularly relates to a swing basket assembly and a machine tool. The swing basket assembly and the machine tool aims to solve theproblems that in the assembling process of an existing BC double-axis numerical control machine tool, the assembling process of the BC double-axis numerical control machine tool is complex, and the efficiency is low. In order to solve the problems, the invention provides the swing basket assembly and the machine tool, and the swing basket assembly comprises a swing basket body and adjusting mechanisms. Each adjusting mechanism comprises a first inclined block and first screws. When the first screws rotate towards first bottom walls of grooves, the first inclined blocks can be driven to press first side walls and second side walls of the grooves, specifically, the first side walls and second side walls of the grooves are oppositely arranged, the swing basket body can be opened towards the two sides from the axes where lateral openings of the grooves are located, the included angle between the B axis and the C axis of the swing basket body can also be increased, and therefore the adjustment of the perpendicularity of the B axis and the C axis of the swing basket body is achieved.

The invention discloses an electrode perpendicularity adjustment device which is characterized by comprising a Mohs cone arranged on the top, wherein an upper connection plate is arranged on the outer side of the bottom of the Mohs cone; a spherical screw is arranged at the center of the bottom of the Mohs cone; the periphery of the spherical screw is embedded into the center of a swing disk; the swing disk is connected with the Mohs cone through the spherical screw; a middle connection plate positioned at the bottom of the upper connection plate is arranged on the outer side of the swing disk; the bottom of the swing disk is connected with the upper connection plate, and a clamping part for clamping an electrode is arranged at a position, which corresponds to the spherical screw, on the lower connection plate. Preferably, a plurality of adjustment screws are arranged between the lower connection plate and the middle connection plate. Generally, four adjustment screws are uniformly arranged. The electrode perpendicularity adjustment device is used for automatically adjusting the perpendicularity of the electrode; the adjustment efficiency can be improved, and the precision is high.

The invention relates to a large tower butt joint aligning method and matched ejecting tools. Firstly, an upper end tower is stacked on a lower end tower. The upper end tower is hoisted through a crane. The position of a pipe opening of the upper end tower and the position of a pipe opening of the lower end tower are observed, it is ensured that 0-degree lines between the two towers can coincide, and the distance between butt joint openings of the upper end tower and the lower end tower ranges from 10 mm to 12 mm. Then, the butt joint unfitness between the upper end tower and the lower end tower is observed and needs to be smaller than 15% of the wall thickness. The butt joint unfitness between the upper end tower and the lower end tower is controlled through a jack and the first ejecting tool. The perpendicularity between the upper end tower and the lower end tower is controlled through the jack and the second ejecting tool. The large tower butt joint aligning method and the matched ejecting tools have the beneficial effects that the structure is simple, using is convenient, the manufacturing cost is low, the butt joint time of the towers can be greatly saved during using, and therefore the butt joint cost of the towers is reduced.

The invention relates to the technical field of fabricated wallboard installation, in particular to a wallboard leveling and hanging system and an installation method thereof. The wallboard leveling and hanging system comprises a leveling base layer and a wallboard hanging layer, and the leveling base layer comprises internal corner pieces correspondingly arranged at the internal corners of a wallbody and a plurality of transverse keels with the two ends connected with the internal corner pieces correspondingly; and the wallboard hanging layer comprises a plurality of wallboards which are connected with the transverse keels through hanging pieces, ground positioning pieces and wallboard closing pieces. The internal corner pieces comprise first wall body connecting plates and second wall body connecting plates, one ends of the first wall body connecting plates and one ends of the second wall body connecting plates are correspondingly connected with the ground through bottom fixing pieces, the other ends of the first wall body connecting plates and the other ends of the second wall body connecting plates are correspondingly connected with the wall body through top fixing pieces, threaded holes are formed in the first wall body connecting plates and the second wall body connecting plates, and one end of a leveling screw is in threaded connection with the threaded holes, and the other end of the leveling screw abuts against the wall body. Leveling is carried out through the internal corner pieces, leveling of installation of the four wall wallboards can be achieved only through four times of leveling operation, and operation is easy and efficient.

The invention provides a rocket supporting platform and a rocket pose adjusting method, and the rocket supporting platform is used for supporting a rocket. The rocket supporting platform comprises an oil supply pipeline and an oil return pipeline. The first supporting cylinder group is supported at the bottom of the core body part, the first supporting cylinder group comprises a plurality of first lifting cylinders, first oil inlets of the plurality of first lifting cylinders are all communicated with the oil supply pipeline, and first oil outlets of the plurality of first lifting cylinders are all communicated with the oil return pipeline; and the second supporting cylinder set is supported at the bottom of the boosting part and comprises a plurality of second lifting cylinders, second oil inlets of the second lifting cylinders communicate with the oil supply pipeline, and second oil outlets of the second lifting cylinders communicate with the oil return pipeline. According to the technical scheme, the problem that the perpendicularity of a core-level engine deflects after a boosting-level engine is assembled in the related technology is effectively solved.

The invention relates to a construction method for dry sticking of large wall bricks for interior decoration, and belongs to the technical field of interior decoration. The construction method for drysticking of the large wall bricks for interior decoration comprises the steps of carrying out construction preparation; arranging and positioning the wall bricks; installing anchoring nails; dry sticking the wall bricks; and carrying out levelling, wall brick seam beautifying and inspection and acceptance between the surfaces of the adjacent wall bricks. Dry sticking points are arranged on sticking positions of the wall bricks of a wall, an anchoring nail is arranged on each dry sticking point part, the installation position of each anchoring nail is consistent to the position of each dry sticking point, and dry sticking adhesives are coated on the peripheries of the anchoring nails, so that the wall, the anchoring nails, the dry sticking adhesives and the wall bricks are integrated intoa whole; the anchoring nails are arranged on the surface of a base layer of the wall, and the anchoring nails are consistent to the positions of the dry sticking points applied with the dry sticking adhesives, so that the wall bricks, the dry sticking adhesives and the anchoring nails are integrated into a whole, the defects of empty bulge and falling off of the wall bricks due to slight shrinkagebetween the base layer of the wall and the dry adhesives are made up, the anchoring nails and the base layer of the wall are firmly connected, and the dry sticking adhesives can be ensured to be firmly connected with wall base layers made of different materials.

The invention discloses a device for adjusting the perpendicularity of an actuation rod of a portable micrometer press-in instrument. The device comprises a bottom plate, a driving mechanism, a centeradjusting table and a lifting mechanism which surrounds the bottom plate, wherein the driving mechanism comprises a stepping motor, a motor support, a driving bevel gear and a driven bevel gear; thedriven bevel gear is connected with a ball screw; the driving bevel gear is connected with the output end of the motor; the motor is connected with the motor support; the motor support is fixed on theupper end surface of a base of the lifting mechanism; the lifting mechanism is fixed to the bottom plate; the center adjusting table is connected with a moving platform in the lifting mechanism and comprises an adjusting platform, locking bolts, an optical axis and a gyroscope; a through hole is formed in the center of the adjusting platform and used for placing the actuation rod; the locking bolts are uniformly distributed around the through hole; the actuation rod is clamped through thread self-locking; and the gyroscope is fixed on the adjusting platform through a stud and is used for detecting an inclination angle between the actuation rod and the horizontal plane. The device realizes the high-precision adjustment of the perpendicularity between the actuation rod and the horizontal reference plane.

The invention provides a simple, safe, economic and high-efficiency steel column splicing three-dimensional adjusting method, which adopts a steel column adjuster developed by the inventor to adjust the verticality, height and width of a seam. The method has reasonable process, high positioning precision and advanced technology during the adjusting construction of a steel column, and has remarkable social benefits and economic benefits. The method comprises the following steps of: welding ear plates on a steel column and snapping a center line; lifting the steel column in place, placing the steel column adjuster between the upper ear plate and the lower ear plate according to four directions and adjusting the directions by abutting against the ear plates; fixing an ear plate connecting plate with the upper ear plate and the lower ear plate by using bolts; placing a magnetic plumb bob, adjusting and rotating a middle screw rod till the steel column is perpendicular; determining whetherthe steel column is perpendicular or not by comparing the distance between the lower end line and the upper end line of the magnetic plumb bob; adjusting the height and the seam while adjusting the verticality; temporally fixing the steel column by using electric welding after the three dimensions of the steel column are corrected; and dismounting a lifting hook and the magnetic plumb bob to finish the mounting by performing final welding and mounting of the steel column.