42results about How to "Installation accuracy is easy to control" patented technology

Embodiments of the invention relate to the photoelectric technical field, and provide a projection module and a depth camera. The projection module comprises a base, a light source, a lens supported by an internal bracket, and a pattern generator supported by an external bracket for generating structural optical patterns, wherein the internal bracket and the external bracket are independent non-integrated structures; the internal bracket and the external bracket are mounted on the base; the projection module adopts the internal bracket to support the lens, and adopts the external bracket to bear the pattern generator; the internal bracket and the external bracket are independent structures, so that installation of the lens and the pattern generator can be performed separately without causing mutual constraint; when the internal bracket equipped with the lens and the external bracket equipped with the pattern generator are mounted on the base, the relative positions of the light source, the lens and the pattern generator can be adjusted in a relative easy manner, the installation precision can be controlled easily, the installation efficiency is high and the miniaturization of the depth camera can be facilitated; and in addition, falling off of foreign matters, such as dust and chippings and the like, in the installation process can be avoided, and the lens performance can be ensured.

The invention belongs to the technical field of building construction, and provides a steel structure joint, a prefabricated column, a manufacturing method thereof and an assembling method of a columnbeam. The steel structure joint is reliable in stress and convenient to produce and manufacture; the prefabricated column with the steel structure joint is easy to transport and store, the installingprocess of a steel beam and the prefabricated column on site is easy and convenient, operation is convenient, no formwork erection is needed on site, supporting is easy, no operation space limit is caused, dry type construction is performed, the installing precision is easy to control, the later corrosion resistance and fireproof treating area is small, the full-life-cycle maintenance cost is low, the advantages of a fabricated building is sufficiently reflected, the construction efficiency and the construction quality are improved, and waste and building waste are reduced.

The invention relates to concrete roadway construction method, and specially a precise installation method for expansion joint of concrete roadway type steel. The method includes pre-burying expansion joint distribution steel in advance; clearing provided groove bottom, fully laying plastic cloth, filling yellow sand to bottom part of asphalt surface layer to elevation, spreading asphalt, and rolling; putting lines according to design requirement, cutting the provided expansion joint position, and clearing; welding shaped steel regulating device by adopting nuts and bolts; burying and fixing the shaped steel regulating device in reinforced concrete; installing shaped steel, preliminarily fixing steel expansion joint, and interval-fixing bolts after meeting requirement; assembling steel bars, and arranging molds; performing flatness precise detection, and adopting shaped steel regulating device to regulate flatness precise regulation; pouring steel fiber reinforced concrete; and demolding, and installing rubber water-stop belt. The invention reduces construction cost, and improves installation quality.

The invention discloses a steel suspension box hoisting system with an integral hoisting function and a hoisting method of the steel suspension box hoisting system, and belongs to the field of sub-beam structure construction. The steel suspension box hoisting system comprises a steel suspension box and an assembly platform of the steel suspension box, wherein the assembly platform comprises a plurality of steel protective cylinders and a plurality of platform beams; penetrating open pores are prefabricated on the protective cylinder walls of all the steel protective cylinders; positioning-guiding mechanisms are arranged at the open pores of all the steel protective cylinders; a whole row of steel protective cylinders movably penetrate through each platform beam through the open pores of the steel protective cylinders; the two ends of each platform beam are exposed from the steel protective cylinders arranged at the two ends of the row; and the steel suspension box comprises the following four parts: a baseplate structure, a wall body structure, cantilever beams, as well as laterally stable supports and section steel suspension rods. By adoption of the steel suspension box hoisting system disclosed by the invention, the safety risk of detaching the assembly platform can be reduced; the time to establish and detach the assembly platform can be shortened to the greatest extent, the work efficiency can be improved, and the engineering progress can be accelerated; materials adopted for the assembly platform can be recycled to the greatest extent; and meanwhile, the difficulty in hoisting construction of the steel suspension box and the labor consumption can be reduced, the construction period can be shortened, and the mounting precision can be easier to control.

The invention discloses a steel-reinforced beam load-bearing bar structure, a construction method thereof and a steel-reinforced concrete structure. The steel-reinforced beam load-bearing bar structure comprises two steel bar sections which are installed between flange plates of vertical steel reinforcements of two steel-reinforced columns; one ends of the two steel bar sections are in screw jointwith connectors which are pre-welded on the flange plates of the corresponding vertical steel reinforcements correspondingly, and the other ends of the two steel bar sections are mutually connected through double screw sleeves; and each steel bar section is one transverse steel bar, or each steel bar section is formed by connection with a plurality of transverse steel bars through straight threadsleeves. The steel-reinforced beam load-bearing bar structure is reasonable in design, and the problems that in the prior art, material waste is severe, tying of vertical steel bars through hoops isinterfered, the installation accuracy cannot be controlled, and the construction efficiency is low are effectively solved.

The invention relates to a pumping unit with a disk permanent magnet water-cooled and air-cooled linear motor. Two sides of a rope pulley are respectively provided with a set of disk permanent magnetic water-cooled and air-cooled synchronous three-phase linear motor drive set the primary of which is a stator, the secondary of which is a motor and the secondary is a permanent magnet; the motor adopts water-cooled and air-cooled motor. The secondary is respectively fixed on the two sides of the rope pulley to form a whole; the primary is fixed on the same shaft outside the secondary; a gap is arranged between the primary and the secondary; the primary drives the secondary which drives the rope pulley to rotate; an inner hole of the rope pulley is provided with a rolling bearing; an outer sleeve of the bearing is rotated along with the rope pulley; and an inner sleeve of the bearing is fixed with the shaft. The pumping unit has the advantages of simple structure, multi-pole, low rotating speed, big torque, no environmental pollution, no lubricant, long service life, convenient maintenance, few replaceable parts and easy matching.

The invention provides a radial stator core structure which comprises a radial stator core and a radial ring connected together, wherein the inner ring of the radial stator core is provided with a wire winding groove; a protruding part corresponding to the wire winding groove is arranged on the outer circumferential wall of the radial stator core; and a groove part in transition fit with the protruding part is arranged on the radial ring. The invention further provides a hybrid radial magnetic bearing which comprises a rotor and a bearing stator, wherein the rotor is coaxially arranged in thebearing stator. Compared with the prior art, the magnetic conductive area of the radial stator core is increased on the condition that the boundary dimension is not increased, and the problem in the prior art that magnetic saturation can be reached easily at the wire winding groove of the radial stator core is solved, so that the electromagnetism utilization ratio and the bearing capacity of the bearing are increased and improved. The radial stator core structure can further optimize the assembling technology to increase the assembling success rate and product percent of pass.

The invention relates to a novel integrated valve chamber cover. The novel valve chamber cover comprises a cover body (1), wherein at least one camshaft installing hole (3), an air intake rockshaft installing hole (4) and an oil sprayer installing hole (5) are formed in the cover body (1); a baffle plate (2) is arranged inside the cover body (1); the camshaft installing hole (3) and the air intake rockshaft installing hole (4) are formed in the baffle plate (2); the camshaft installing hole (3) is formed on the upper part of the air intake rockshaft installing hole (4); and the oil sprayer installing hole (5) is formed on the top of the cover body (1). The novel integrated valve chamber cover has the advantages that the novel integrated valve chamber cover has a compact structure; a few parts are required to be assembled, so that an assembling process can be simplified; a dimensional chain is shortened, so that installation precision is easy to control compared with that of the conventional structure; and a camshaft and an oil sprayer are convenient to disassemble and can be removed without the removal of related parts such as the valve chamber cover.

The invention relates to the technical field of ship bilge-to-circle structures, in particular to a container ship bilge-to-circle segmented structure which comprises an outer plate and a rib plate, the outer plate is arc-shaped and is provided with a first T-shaped profile, and the rib plate is provided with an arc-shaped edge matched and butted with the outer plate. The edge of the arc-shaped edge is provided with a first through hole matched with the first T-shaped profile in an inserted mode and a first plate seam dividing the first through hole, the first plate seam divides the rib plate into a rib plate body and a rib plate splicing plate which are mutually independent and spliced, and the rib plate splicing plate comprises a part of the arc-shaped edge and a part of the first through hole. The invention further relates to a segmented construction method of the segmented structure, the segmented structure is constructed in a normal state by taking the outer plate as a jig frame surface, firstly, the outer plate splicing plate is used for splicing the arc-shaped outer plate on the jig frame, the first T-shaped profile and the rib plate splicing plate are installed on the outer plate, then the rib plate main body is installed on the outer plate, and the rib plate body and the rib plate splicing plate are spliced to form the rib plate. The tire position period can be shortened, the construction efficiency is improved, and the installation precision is easy to control.

The invention provides a built-in stand type cast-in-place reinforced concrete pillar which comprises a concrete pillar body and main ribs arranged in the concrete pillar body. The periphery of the concrete pillar body is provided with built-in stands at intervals in the height direction. The built-in stands comprise supporting rods connected with the main ribs and four stand rods connected with the other ends of the supporting rods. The stand rods are parallel to the corresponding concrete pillar body side faces. The adjacent stand rods are connected through corner connectors at the ends. The exterior of the stand rods of the built-in stand is provided with a formwork. The built-in stand type cast-in-place reinforced concrete pillar is reasonable in structure and simple in step. When the built-in stand type cast-in-place reinforced concrete pillar is mounted, as long as the situation that the outer side faces of the stand rods and the corner connectors flush with the exterior and the corner of the pillar is guaranteed, additional alignment of the formwork and adjustment and correction of the perpendicularity of the formwork are not needed in the mounting process, the requirement for the technological level of personnel who mount the formwork on site is low, construction efficiency can be greatly improved, mounting accuracy is easy to control, construction quality can be improved, and the working difficulty of formwork mounting is lowered.

The invention discloses a high-pressure grinding roller installation construction technology. A to-be-installed high-pressure grinding roller comprises a rack, as well as a feeding device, a roller system, a lubrication system and a cooling system that are all mounted on the rack, wherein the roller system comprises a fixed roller, and a movable roller driven by a hydraulic system; the movable roller and the fixed roller are connected with a motor drive mechanism respectively through a transmission mechanism; and moreover, both the movable roller and the fixed roller comprise a roller tire, and a roller core coaxially arranged in the roller tire in a sleeving manner. The installation construction technology comprises the following steps: 1 installation foundation construction; 2 rack installation; 3 roller assembly; 4 feeding device installation; 5 roller system installation; 6 transmission mechanism installation; and 7 installation of a hydraulic system, a lubrication system and a cooling system. According to the high-pressure grinding roller installation construction technology, the steps are simple, the design is reasonable, the realization is convenient, the installation construction progress is fast, the installation construction quality is easy to control, and the problems that the construction technology is complicated, the installation progress is slower, and the installation quality is difficult to ensure during the installation construction process of the present high-pressure roller grinding machine are effectively solved.

The invention discloses a reversing radar sensing assembly, comprising a sensor. The reversing radar sensing assembly further comprises a cover cap, an adjusting piece and a base, wherein the cover cap is placed into a pre-set through hole of an automobile retaining bar as a front end and comprises a cylindrical cover provided with an axial through hole and an extending piece arranged at one side of the cylindrical cover; the adjusting piece comprises a cylindrical part provided with the axial through hole and a sheet-shaped part which radially expands from one end of the cylindrical part and is fixedly connected with the automobile retaining bar; the base is provided with a containing space for assembling a sensor; the cylindrical cover of the cover cap is sleeved by the adjusting piece through the cylindrical part; the base is arranged in the cylindrical cover of the cover cap by using the sensor as the front end and the base and the extending part of the cover cap and the base and the cylindrical part of the adjusting piece are respectively fixed. The reversing radar sensing assembly provided by the invention can be suitable for the automobile retaining bars with different thicknesses so as to realize hidden type installation. Furthermore, the reversing radar sensing assembly is simple in structure, stable in connection and easy to install.

A manufacturing and mounting method of a combined wall for a fabricated house comprises the steps that firstly, a plurality of outer walls and inner walls are prefabricated, each outer wall is provided with a light microcrystalline plate and a concrete wall layer, each inner wall is provided with a concrete wall layer, and a plurality of floor connecting pieces are arranged on the top sides of ceiling keels of the outer walls and the inner walls in a penetrating mode through a plurality of connecting bolts; a plurality of foundation bolts are arranged on the bottom sides of the ground keels of the outer wall body and the inner wall body in a penetrating mode; a concrete foundation is manufactured, a plurality of wall body mounting holes are machined in the concrete foundation, then the wall body mounting holes are filled with grouting materials, the outer wall body and the inner wall body are hoisted to the concrete foundation, and the foundation bolts are inserted into the wall body mounting holes respectively; and the floor slab is hoisted to the top side of the bottommost layer of combined wall body, and the outer wall body and the inner wall body are hoisted to the lower layer of combined wall body layer by layer. The combined wall can be prefabricated in a factory or on site, wet operation of concrete pouring on site is avoided, and the installation precision is easy to control.

The invention discloses a high-pressure grinding roller installation construction technology. A to-be-installed high-pressure grinding roller comprises a rack, as well as a feeding device, a roller system, a lubrication system and a cooling system that are all mounted on the rack, wherein the roller system comprises a fixed roller, and a movable roller driven by a hydraulic system; the movable roller and the fixed roller are connected with a motor drive mechanism respectively through a transmission mechanism; and moreover, both the movable roller and the fixed roller comprise a roller tire, and a roller core coaxially arranged in the roller tire in a sleeving manner. The installation construction technology comprises the following steps: 1 installation foundation construction; 2 rack installation; 3 roller assembly; 4 feeding device installation; 5 roller system installation; 6 transmission mechanism installation; and 7 installation of a hydraulic system, a lubrication system and a cooling system. According to the high-pressure grinding roller installation construction technology, the steps are simple, the design is reasonable, the realization is convenient, the installation construction progress is fast, the installation construction quality is easy to control, and the problems that the construction technology is complicated, the installation progress is slower, and the installation quality is difficult to ensure during the installation construction process of the present high-pressure roller grinding machine are effectively solved.

The invention discloses a construction method for prefabrication and reverse installation of cornice concrete decoration members of an archaistic building. The method includes the steps that 1, the cornice concrete decoration members are prefabricated, specifically, the concrete decoration members in a cornice system of the pseudo-classic building to be constructed are prefabricated correspondingly, a body structure of the pseudo-classic building to be constructed comprises a framework structure and a roof structure, the framework structure comprises load-bearing columns, the cornice system comprises a roof supporting structure and a bracket structure supported between the roof supporting structure and the load-bearing columns; 2, facing treatment is carried out on the cornice concrete decoration members; and 3, the cornice concrete decoration members are subjected to reverse installation, specifically, after construction of the body structure is completed, the cornice concrete decoration members in the cornice system are installed from top to bottom through a reverse installation method. The construction method is simple in step, reasonable in design, easy and convenient to implement and good in using effect; and the cornice concrete decoration members formed in advance are installed from top to bottom, the construction process is simple and convenient to implement, and the construction quality is easily guaranteed.

The invention belongs to the technical field of building construction, and provides a steel structure joint, a prefabricated column, a manufacturing method thereof and an assembling method of a columnbeam. The steel structure joint is reliable in stress and convenient to produce and manufacture; the prefabricated column with the steel structure joint is easy to transport and store, the installingprocess of a steel beam and the prefabricated column on site is easy and convenient, operation is convenient, no formwork erection is needed on site, supporting is easy, no operation space limit is caused, dry type construction is performed, the installing precision is easy to control, the later corrosion resistance and fireproof treating area is small, the full-life-cycle maintenance cost is low, the advantages of a fabricated building is sufficiently reflected, the construction efficiency and the construction quality are improved, and waste and building waste are reduced.

The invention discloses a light prefabricated combined wall. Three kinds of light prefabricated wall sections with identical composition are spliced through adapting steel columns or directly through bolts / self-tapping screws to from a straight combined wall, an L-shaped wall, a T-shaped wall or a cross-shaped wall; the light prefabricated wall sections are straight wall sections as a whole, a plurality of vertical steel wall columns, upper guide rails transversely connected with tops of the steel wall columns and upper guide rails transversely connected with two sides of bottoms of the steel wall columns respectively form a framework, and the wall sections are filled with light concrete; L-shaped steel wall columns or C-shaped steel wall columns are arranged at two ends of each light prefabricated wall section. With the adoption of the prefabricated combined wall, the wet operation of in-place concrete pouring is avoided, anti-pull connecting pieces are convenient to mount, the wall mounting accuracy is easy to control, the construction cost is low, and the prefabricated combined wall is suitable for mass production of light steel keel and light concrete combined houses.

The invention relates to mounting of large span bridges, in particular to a mounting mould for a large span cable bridge, which comprises a right angle cantilever, a bolt, a hanger sliding support, a bearing, a ring, a rigging turnbuckle and a hanger bracket, wherein the bolt is horizontally connected to the end portion of a horizontal edge of the right angle cantilever, the top end of the hangersliding support is fixedly connected to a vertical edge of the right angle cantilever, the bearing is arranged in a groove of a bottom side of the hanger sliding support and can roll right and left, the ring penetrates through the bearing center and surrounds the bottom side of the hanger, and the top end of the rigging turnbuckle is hooked to the ring via a hook. The invention further provides amethod utilizing the mounting mould for large span cable bridges to mount cable bridges, which comprises steps of measuring and manufacturing the mounting mould for large span cable bridges on the site, fixing a bridge with the mounting mould, hoisting, adjusting the cable bridge and then fixing in position. The invention solves difficulties of low construction efficiency and high safety hazards during construction of high-altitude large span cable bridges, and further increases construction efficiency.