41results about How to "Improve the efficiency of on-site construction" patented technology

The invention relates to the technical field of reinforcing of shear walls and retaining wall templates, in particular to a cast-in-place concrete shear wall template punching-free reinforcing systemand a construction method, and adopts the technical scheme that the cast-in-place concrete shear wall template punching-free reinforcing system comprises shear wall templates and reinforcing mechanisms. The reinforcing mechanism comprises an opposite-pull screw rod; the shear wall template is provided with base plates and opposite-pull screw rod mounting plates; the opposite-pull screw rod mounting plate is arranged between every two adjacent base plates; more than two through holes for the opposite-pull screw rods to penetrate through are sequentially formed in the opposite-pull screw rod mounting plate at intervals; the number of the shear wall formworks is two, and a gap is formed between the shear wall formworks. The opposite-pull screw rods penetrate through the opposite-pull screw rod mounting plates of the two shear wall templates. According to the technical scheme provided by the invention, the opposite-pull screw rod mounting plate is independently arranged and can be pre-machined, so that the procedure of forming holes in a template during on-site construction is omitted, and the on-site construction efficiency is improved.

The invention provides a split mounting type wallpaper laminator. The split mounting type wallpaper laminator comprises a base. Wheels capable of being locked are arranged under the base, a primary supporting assembly is arranged on the base, the primary supporting assembly comprises two vertically arranged vertical columns, each column is composed of multiple sections of steel tubes which are spliced, a mounting plate is arranged at the bottom of each column, and the mounting plate can slide and can be locked on the base to adjust the distance between the two vertical columns; a lifting assembly is arranged on the columns, a lifting and locking mechanism is arranged on the lifting assembly, a wallpaper paving assembly is also arranged on the lifting assembly, a wallpaper compression assembly is arranged above the wallpaper paving assembly, and a compression force adjusting mechanism is arranged below the wallpaper compression assembly. Debugging equipment can be assembled quickly by way of site splicing, so that the split mounting type wallpaper laminator is extremely convenient to carry and use, can fit wallpaper of nearly all width dimensions, and is high in universality.

The invention discloses a support beam device for fixing boiler furnace water walls. The support beam device for fixing the boiler furnace water walls is characterized in that the support beam devicecomprises a water wall tube; the water wall tube with the outer side affixed with a backing plate is connected by fins to form a square structure; a ribbed slab one with the outer side connected withfasteners is connected to the outer side of the backing plate; a base plate with the outer side connected with a panel through a connecting plate is disposed between the fasteners; an extension boardone is connected to both ends of the backing plate; the outer sides of adjacent extension boards are connected with a fixed plate; both ends of the connecting plate are connected with an extension board two which is hinged with a flat plate; the other end of the flat plate is hinged with the connecting plate; upper and lower sides of the backing plate are provided with support lugs; both ends of the support lugs are connected to the outer wall of the water wall tube; a pin shaft is inserted between the upper and lower support lugs. The support beam device for fixing the boiler furnace water walls has the advantages that a main structure of a support frame is welded in a boiler factory, and only welding of joints is required at the site with a little workload; accessories on the water wallare also completed in the factory, so that welding of the water wall at the site is avoided; assembly is convenient; good use effect is achieved.

The invention discloses a vibration aging method for lowering and homogenizing residual stress generated after turnout switch rail quenching. The method includes the following steps that a finite element model of a turnout switch rail is established, and the quenching process is simulated according to the finite element model so as to obtain a turnout switch rail residual stress distribution cloudchart after quenching is completed; free mode analysis is carried out on the finite element model to determine the positions and corresponding natural vibration frequencies of three fixed supportingpoints; constraint mode analysis is carried out on the finite element model according to the fixed supporting points to determine the positions and corresponding inherent frequencies of excitation points; harmonic response analysis is carried out on the finite element model according to the fixed supporting points, the excitation points and the residual stress distribution cloud chart, and actualexcitation force and actual excitation frequency with the highest residual stress eliminating rate are obtained; and vibration is exerted on the turnout switch rail to treat residual stress. The method has the advantage of being capable of effectively lowering overall residual stress after quenching of the turnout switch rail.

The invention provides a split mounting type wallpaper laminator. The split mounting type wallpaper laminator comprises a base. Wheels capable of being locked are arranged under the base, a primary supporting assembly is arranged on the base, the primary supporting assembly comprises two vertically arranged vertical columns, each column is composed of multiple sections of steel tubes which are spliced, a mounting plate is arranged at the bottom of each column, and the mounting plate can slide and can be locked on the base to adjust the distance between the two vertical columns; a lifting assembly is arranged on the columns, a lifting and locking mechanism is arranged on the lifting assembly, a wallpaper paving assembly is also arranged on the lifting assembly, a wallpaper compression assembly is arranged above the wallpaper paving assembly, and a compression force adjusting mechanism is arranged below the wallpaper compression assembly. Debugging equipment can be assembled quickly by way of site splicing, so that the split mounting type wallpaper laminator is extremely convenient to carry and use, can fit wallpaper of nearly all width dimensions, and is high in universality.

The invention relates to a low-temperature storage tank coated heat insulation material used for a boat, and relates to the field of production of low-temperature pressure vessels used for the boat. The low-temperature storage tank coated heat insulation material used for the boat comprises a drum body and end sockets. The two ends of the drum body are both provided with a circle of steel nails and are coated with multiple layers of bedding. Each layer comprises end bedding and middle bedding. The front edge of the first end bedding penetrates through the steel nails at the front end of the drum body, and the front edge of the middle bedding presses the rear edge of the previous end bedding. The front edge of the second end bedding presses the rear edge of the middle bedding, and the rear edge of the second end bedding penetrates through the steel nails at the rear end of the drum body. The center of each steel nail is provided with steel nails and is coated with multiple layers of bedding. Each layer of bedding comprises two end bedding, and the two end bedding are in a sector shape, wherein the inner arc sides are fixed to the steel nails at the centers of the bedding, and the outer arc sides are fixed to the steel nails which are close to one end of the drum body. Two straight sides of one end socket bedding are coated on the two straight sides of another end socket bedding. The splicing positions of different layers of bedding are staggered, and the bedding at the outermost layer is coated with a layer of glass wool cloth. The low-temperature storage tank coated heat insulation material used for the boat has the advantages that the construction efficiency is improved, the use ratio of raw materials is improved, and the low-temperature usability of a finished product is improved.

The invention relates to a prefabricated regular triangular prism dam and a construction method. An integral formwork is used to prepare the regular triangular prism, and a bottom form connecting hole is arranged on the integral bottom form; it can be controlled by the inner guide groove pipe and the outer guide groove pipe The filling position of the sand bag at the bottom of the dam is limited by the lateral position control plate, and the sand bag of the dam body is compacted by the compaction control body and the transverse compression plate; the sliding plate of the position control body can be synchronized Drive the fabric rotating shaft, slope scraping plate and sand filling tank pipe to move along the rolling pavement slide rail, and can simultaneously complete the filling and scraping of the sand and pebble leveling layer, as well as the interface geotextile laying construction; through the position control cover and the limit The position vertical plate defines the filling position of the triangular abutment, and the hoisting and filling construction of the triangular abutment can be carried out by means of the abutment hoisting cage. The invention can effectively improve on-site construction efficiency and reduce construction difficulty.

The present invention proposes a heat exchange system of a multi-connected air conditioner and the air conditioner, wherein the heat exchange system of the multi-connected air conditioner includes an outdoor unit component and an indoor unit component, the indoor unit component includes a fan coil unit, and the fan coil unit has a water inlet There are multiple fan coil units connected in parallel; the outdoor unit components include water inlet pipes and water outlet pipes, and the water inlet pipes are connected to the water outlets of the fan coil units so as to input the water output from the fan coil units. to the inside of the outdoor unit for heat exchange, and the outlet pipe is connected to the water inlet of the fan coil unit to transport the water after heat exchange of the outdoor unit to the inside of the fan coil unit; the indoor unit component also includes a wire controller, and the outdoor unit component also includes a It includes a control unit, which is connected with the wire controller, so as to transmit the parameters for controlling the operation of the fan coil unit to the wire controller; the air conditioner includes the heat exchange system of the above-mentioned multi-connected air conditioner. The invention can shorten the product development period and reduce the cost.

The invention discloses an intelligent arc light protection system, which belongs to the field of power transformation, power distribution and power utilization. The invention consists of an arc main control unit and an arc extension unit. The main control unit includes a power supply and binary input board, a main board, a communication management board, a man-machine interface board, an arc main control board, and an analog board. The expansion unit includes a power supply board, a main board, a display board, an arc light collection board and an on-site arc light collection probe. The action time of the arc protection system provided by the present invention is relatively short; the extension unit can add the arc signal to the address code. The main control unit can identify the arc channel according to the address code in the arc signal, which simplifies the wiring process and improves the efficiency of on-site construction. ; The protection system can identify abnormal channels and reduce the false alarm rate; the arc and current associated with the protection can be set flexibly, and the selective tripping function of the arc protection can be realized after appropriate associated settings.

An auxiliary prefabricated wall installation calibration device, the device includes a clamping part for clamping the prefabricated wall and a bearing part for carrying the clamping part; The steering part in the direction of the clamping part described above. The equipment has a simple structure and a novel design, which can not only improve the overall work efficiency, but also improve the construction accuracy. The entire installation only needs one worker to complete the installation.

The invention relates to a cruciform reinforcement joint, which is characterized in that: the joint has a cruciform shape, is provided with internal thread sleeves in upper, lower, left and right directions and is used for connecting reinforcements. The joint can connect four reinforcements at most simultaneously and can connect reinforcements in the same direction or vertical direction according to the need. The cruciform reinforcement joint has guaranteed quality, can obviously improve the on-site construction quality and efficiency of reinforcement engineering, and is low in cost and easy and convenient to operate.

The invention discloses a toilet device. The toilet device comprises a base plate and a wall plate, and further comprises a strip-shaped body, wherein the strip-shaped body is fixed on the base plate along the side edge of the base plate; the strip-shaped body and the base plate are arranged in a sealed manner; a butt joint groove is formed in the bottom of the wall plate; and when the wall plate is vertically arranged on the side edge of the base plate, the strip-shaped body is in butt joint with the butt joint groove to position the wall plate. The strip-shaped body for positioning the wall plate in a construction process is arranged on the base plate and the butt joint groove matched with the strip-shaped body is formed in the bottom of the wall plate, so that the wall plate can be rapidly and accurately positioned on a construction site and the assembling efficiency is also improved.

This application relates to the technical field of cable equipment, in particular to a wire take-up device and a cable rewinding machine. The wire take-up device includes a first frame, an upper cover, a lower cover, a reel, a rotating assembly, a moving assembly, and a first driving mechanism The rotating assembly is connected with the upper cover for driving the upper cover to rotate; the moving assembly is connected with the upper cover for driving the upper cover to move vertically; the lower cover rotates Installed on the first frame, the reel is installed on the lower cover; the first driving mechanism is connected with the lower cover and is used to drive the lower cover and the reel to rotate ; the rotating assembly drives the upper cover to rotate directly above the lower cover, and the moving assembly drives the upper cover to move to a certain height, so that a ring around the The winding space of the above-mentioned reel. The application effectively solves the technical problem of poor cable winding efficiency in the prior art.

The invention discloses a vibration aging method for lowering and homogenizing residual stress generated after turnout switch rail quenching. The method includes the following steps that a finite element model of a turnout switch rail is established, and the quenching process is simulated according to the finite element model so as to obtain a turnout switch rail residual stress distribution cloudchart after quenching is completed; free mode analysis is carried out on the finite element model to determine the positions and corresponding natural vibration frequencies of three fixed supportingpoints; constraint mode analysis is carried out on the finite element model according to the fixed supporting points to determine the positions and corresponding inherent frequencies of excitation points; harmonic response analysis is carried out on the finite element model according to the fixed supporting points, the excitation points and the residual stress distribution cloud chart, and actualexcitation force and actual excitation frequency with the highest residual stress eliminating rate are obtained; and vibration is exerted on the turnout switch rail to treat residual stress. The method has the advantage of being capable of effectively lowering overall residual stress after quenching of the turnout switch rail.

The invention relates to a closely-spliced one-way laminated slab free of a bar extending out of the plate end. The closely-spliced one-way laminated slab comprises a prefabricated bottom layer and acast-in-place surface layer located on the prefabricated bottom layer. The prefabricated bottom layer is formed by splicing a plurality of concrete prefabricated plates; the concrete prefabricated plates are provided with a plurality of steel bar hole channels; the steel bar hole channels between the adjacent concrete prefabricated plates are butted together to form steel bar via holes; and bottomstressed steel bars are arranged in the steel bar via holes in a penetrating mode, a plurality of grouting holes communicating with the steel bar hole channels are formed in the concrete prefabricated plates, the steel bar via holes are filled with transverse filling fixing strips formed by solidifying cement mortar, and the filling fixing strips extend into the grouting holes to form vertical fixing strips. According to a closely-spliced one-way laminated slab bottom plate free of the bar extending out of the plate end, bottom plate steel bars are continuous, the bar extending out of the plate end and post-cast strips do not exist, and the problems that according to an existing spliced laminated slab bottom plate, a bar extends out of the plate end, bottom steel bars are discontinuous, and post-cast strips exist are solved.