14results about How to "Improve vibration quality" patented technology

The invention discloses an efficient warehousing system and method suitable for large-particle-size aggregate low-slump concrete, and belongs to the technical field of concrete.The efficient warehousing system comprises an upper lock head conveying unit and a lower lock head conveying unit which are symmetrically arranged at the upper lock head position and the lower lock head position of a ship lock hub body correspondingly; each of the upper lock head conveying unit and the lower lock head conveying unit comprises a main conveying line and three branches, the main conveying line is composed of six stages of belt conveyors which are connected end to end in the longitudinal direction in a high-low mode, the three branches are arranged at the rear position of the outer side of the main conveying line at intervals, and each branch is composed of a belt conveyor; two stages of material distributing mechanisms are arranged on one side corresponding to each branch, and each stage of material distributing mechanism is composed of three material distributing mechanisms which are arranged at intervals. The warehousing efficiency of large-particle-size aggregate and low-slump concrete is improved, the quality of mass concrete during pouring is guaranteed, the construction period is shortened, and the cost is reduced.

The utility model discloses a device for improving the vibrating quality of concrete at the root of an outer wall post-cast strip and conveying concrete, which comprises a reinforced concrete precast slab arranged at the outer wall post-cast strip, a concrete conveying and vibrating port is arranged on the reinforced concrete precast slab, and an inclined baffle is arranged on the reinforced concrete precast slab. The inclined baffle is arranged on one side of the concrete conveying and vibrating opening, the lower end of the inclined baffle is in lap joint with the lower end of the concrete conveying and vibrating opening, the inclined baffle inclines outwards, and an inhaul cable is connected between the inclined baffle and the reinforced concrete prefabricated slab. According to the utility model, the segregation phenomenon of concrete caused by too high conveying height can be effectively prevented, the vibration effect of the bottom concrete can be effectively improved, the vibration quality is improved, and the problems that the bottom concrete of the outer wall post-cast strip is easy to segregate and the vibration is not compact are solved.

The present invention relates to the field of rail transit technology, and discloses a vibration-damping prefabricated track structure with unloadable support and a construction method, wherein the structure includes a grouting layer, a vibration-damping cushion layer and a prefabricated track plate in order from bottom to top; the vibration-damping cushion layer is arranged between the prefabricated track plate and the grouting layer; the grouting layer is made of a self-compacting concrete material with good fluidity, and the grouting layer is used to support the prefabricated track structure; the vibration-damping cushion layer and the prefabricated track plate are composited into one body, and the vibration-damping cushion layer is arranged under the prefabricated track plate for vibration reduction; two prefabricated plate reserved guide grooves that can be engaged with wedge-shaped support blocks are provided on both sides of the prefabricated track plate, and before the grouting layer is formed, the wedge-shaped support block is used to support the vibration-damping cushion layer and the prefabricated track plate, and after the grouting layer is formed, the wedge-shaped support block is unloaded internally, and the support of the wedge-shaped support block to the vibration-damping cushion layer and the prefabricated track plate is cancelled, so as to achieve contact between the vibration-damping cushion layer and the grouting layer. The vibration-damping prefabricated track structure of the present invention has a good vibration reduction effect.

The invention discloses a steel spring floating slab track structure which comprises a base, a plurality of floating slab units are arranged at the top of the base and connected end to end, and each floating slab unit comprises floating slab end plates located at the two ends and a floating slab middle plate located between the two floating slab end plates. A wet joint is arranged between the floating slab end plate and the floating slab middle plate, and the end faces, facing the wet joint, of the floating slab end plate and the floating slab middle plate are designed to be concave and rough. The multiple floating slab end plates and the multiple floating slab middle plates are longitudinally connected through the wet joints to form the floating slab units, the adjacent floating slab units are connected through the second connecting pieces and the square shared vibration isolators, the smoothness and coordination of the adjacent slab bodies are effectively guaranteed, the driving safety and stability are greatly improved, and the service life of the floating slab units is prolonged. And the service life of rail structure components such as the plate end fastener, the second connecting piece and the like is ensured.

The utility model relates to an embedded floating slab vibration reduction track structure, which has the advantages of an embedded track and a floating slab track by embedding a steel rail into a steel rail groove through a rail adjusting component and filler and supporting and mounting the steel rail through a floating track bed plate. The damping effect can be guaranteed, wheel track noise can be effectively reduced, for bridge floor lines and ground lines, noise radiated to the periphery by rail traffic is effectively reduced, the steel rails are almost completely embedded in the steel rail grooves in the floating roadbed slab, so that the surface of the floating roadbed slab is smooth, escape and evacuation of passengers in dangerous cases are facilitated, and the safety of the floating roadbed slab is improved. In addition, due to the fact that the bottom of the steel rail is continuously supported, the train runs more smoothly, and a series of problems caused by traditional fasteners can be avoided due to the fact that fasteners are not arranged.

The present application provides an intelligent vibration control method and system for shield concrete segments, which relates to the field of concrete vibration control technology. The method includes: performing mold damage analysis based on the concrete ratio in multiple stages to determine the maximum flow rate of vibration in multiple stages; taking the maximum flow rate of vibration in multiple stages as a constraint, optimizing the vibration parameters based on the vibration indicators in multiple stages, and determining the optimized vibration scheme for vibration operation; collecting real-time pressure data during the operation and feeding it back to the control unit; performing pressure deviation analysis based on the PID control algorithm, and generating feedback adjustment parameters to optimize the opening of the regulating valve. This application can solve the technical problem that the accuracy and timeliness of the control parameter adjustment are poor, resulting in poor vibration quality, due to the inability to set matching vibration control parameters according to the changing state during the concrete vibration process, and can achieve the effect of improving the vibration quality and concrete compaction quality and extending the service life of the mold.

The invention discloses a high-rise building wall concrete intelligent formwork and a construction technology. The wall concrete intelligent formwork comprises a formwork support, formwork blocks, a solar photovoltaic power generation system and a control system. Formwork power transmission and communication lines pass through the formwork support square steel pipes, and safety and high efficiency are achieved; the vibrating time is controlled by adopting the pressure sensing probe, so that the vibrating quality of the wall concrete is improved, and the concrete vibrating standardization and standardization are achieved; the solar panel is used for supplying power, thereby saving energy and protecting environment; the surface of the template is coated with a nano material, so that the construction procedure of brushing a release agent is avoided; during wall concrete pouring, the whole process is controlled by a computer, and concrete pouring intellectualization is achieved.

The present invention relates to the field of rail transit technology, and discloses a full-section prefabricated plate vibration-damping track structure and a construction method, wherein the structure includes a grouting layer, a vibration-damping cushion layer and a prefabricated track plate from bottom to top; the vibration-damping cushion layer is arranged under the prefabricated track plate, and the vibration-damping cushion layer and the prefabricated track plate are composited into one; the grouting layer is made of a self-compacting concrete material with good fluidity, and the grouting layer is used to fill the gap between the vibration-damping cushion layer and the arc-shaped shield segment; two prefabricated plate reserved guide grooves that are engaged with wedge-shaped support blocks are arranged on both sides of the prefabricated track plate; before the grouting layer is formed, the wedge-shaped support block is used to support the vibration-damping cushion layer and the prefabricated track plate; after the grouting layer is formed, the wedge-shaped support block cancels the support for the vibration-damping cushion layer and the prefabricated track plate, and realizes the contact between the vibration-damping cushion layer and the grouting layer. The full-section prefabricated plate vibration-damping track structure of the present invention has a good vibration-damping effect.

The embodiment of the present application provides a monitoring method, device, system, equipment and medium for a concrete construction process, wherein the method specifically includes: using digital technology to grid the casting bin surface to obtain a grid and a nine-square grid unit of a preset size; installing a material collection module on the cable crane and receiving the cable crane material discharging data; determining the grid layer identification value of the grid according to the vibration time information and the first vibration position information; determining the unit layer identification value of the nine-square grid unit according to the grid layer identification values ​​of all grids in the nine-square grid unit; performing a first verification on the unit layer identification value of the nine-square grid unit according to the cable crane material discharging data to obtain a first verification result; if the first verification result is a verification pass, using the unit layer identification value of the nine-square grid unit to replace the grid layer identification values ​​of all grids in the nine-square grid unit to obtain the target layer identification value of the grid. The embodiment of the present application can improve the vibration quality of concrete.

The invention relates to the technical field of vibrators, in particular to an intelligent group vibration hydraulic vibrator which comprises a mounting plate, a plurality of mounting grooves are formed in the mounting plate at equal intervals, an avoiding moving assembly is movably arranged in each mounting groove, and an angle adjusting clamping assembly is movably arranged in each avoiding moving assembly. Vibrating rods are clamped in the angle adjusting clamping assemblies, an ultrasonic sensing probe is arranged at the bottom of each vibrating rod, a back plate is arranged on the back face of the mounting plate, first connecting pieces are arranged at the positions, corresponding to the multiple mounting grooves, of the back plate, and telescopic cylinders are movably arranged on the first connecting pieces. A plurality of vibrating rods can be operated at the same time, the concrete vibrating efficiency is greatly improved, large-area concrete vibrating work can be completed within a short time, an operator can accurately know the inserting depth of the vibrating rods by observing the positions of the marking arrows and the scale marks, it is ensured that the vibrating work is conducted at the proper depth, and the working efficiency is improved. And the vibrating quality is improved.

The invention relates to a secondary lining intelligent construction method which comprises the following steps that S1, a trolley walks, and a walking mechanism of a secondary lining trolley is selected as a structural form of a steering wheel; s2, trolley positioning: positioning the secondary lining trolley according to the middle line of the secondary lining trolley and the middle line of the tunnel; s3, supporting a formwork by a trolley; s4, pouring and vibrating, wherein a vibrating rod is controlled by a vibrating mechanical arm on the second lining trolley to conduct synchronous vibrating; s5, automatically closing the window: automatically closing the window through a window closing hydraulic device on the second lining trolley; s6, pouring monitoring is conducted, specifically, a sensor monitoring system is installed on the second lining trolley, and the pouring progress and the pouring quality are monitored in real time and fed back to a corresponding control system; and S7, trolley mold collection. The vibrating rod is controlled to vibrate through the vibrating mechanical arm, the window is automatically closed through the window closing hydraulic equipment, manual operation is not needed, and the construction quality can be guaranteed; and the pouring progress and the pouring quality are monitored in real time through a sensor monitoring system, and automation, datamation and intelligentization of secondary lining construction can be achieved.

The utility model belongs to the field of cable-stayed bridge tower structure construction, and particularly relates to a concrete vibration channel device for a cable-stayed bridge inclined bridge tower. Comprising a stiff framework, the stiff framework is erected on a poured inclined bridge tower, and a cable-stayed bridge formwork arranged on the poured inclined bridge tower is arranged on the outer side of the stiff framework; the multiple sets of limiting plates are arranged from top to bottom, and the limiting plates are connected with the stiff framework; and a vibrating rod is arranged in the vibrating channel, the vibrating channel is connected with the limiting plate, the upper end of the vibrating channel extends out of the cable-stayed bridge formwork, and the lower end of the vibrating channel extends to a vibrating blind area at the bottom in the cable-stayed bridge formwork. According to the utility model, a worker can complete the vibration of a vibration blind area on the top operation platform, so that the concrete vibration quality is improved, and the construction safety risk is reduced.

The invention provides a cement concrete distribution mechanical arm. The cement concrete distribution mechanical arm comprises a walking distribution trolley connected with a concrete pipe. The material distribution assembly is communicated with a concrete pipe and has a driving energy storage function, and the material distribution assembly is located below the inner side of the walking material distribution trolley and slides left and right at the tail of the inner side of the walking material distribution trolley in a reciprocating mode; the vibrating box is connected with the energy storage part of the material distribution assembly and fixed to the rear portion of the walking material distribution trolley, and the output end of the vibrating box slides up and down in a reciprocating mode; the adjusting ram is provided with a double-section bending drive, and the adjusting ram is hinged to the two sides of the walking material distribution trolley; concrete flowing in the concrete distribution pipe can be evenly sprayed to the lower portion, after spraying, the concrete distribution quality is guaranteed in a quick-inserting and slow-pulling mode by being connected with a vibrating rod, the surface of the concrete is leveled through the leveling driving part, and the flatness of the concrete surface after distribution is completed is improved.