16results about How to "Safe and reliable support" patented technology

The invention provides an adjustable portal frame supporting system and a using method, and belongs to the technical field of constructions.The adjustable portal frame supporting system comprises a supporting structure, the supporting structure comprises a center sleeve, a plurality of inclined supporting rods and horizontal supporting rods are arranged on the outer side of the center sleeve in a circumferential array mode, and outer supporting sleeves and automatic leveling structures are welded to the outer ends of the horizontal supporting rods; the automatic leveling structure is installed at the bottom end of the outer supporting sleeve and comprises a hydraulic push rod, a top plate and a leveling piece, the sensor feedback system is used for monitoring the use state and the horizontal state of the supporting system, and the control system is used for automatically adjusting the automatic leveling structure. The topological graph generation module is used for creating a topological relation graph of supporting points by using data monitored by the sensor feedback system, and representing mutual influence and connection relations among the points. The problems that a traditional portal frame is fixed in structure, inconvenient to adjust and limited in use scene are solved.

The utility model discloses a heavy eave hilly top roof overhanging structure formwork supporting system which comprises a plurality of main supporting steel beams located at a roof overhanging position, a formwork supporting frame and a roof overhanging structure formwork, the main supporting steel beams are distributed in parallel along the horizontal plane, one end of each main supporting steel beam is fixedly connected with a top floor, and the other end of each main supporting steel beam is fixedly connected with the formwork supporting frame. The other ends of the main supporting steel beams extend to the outer portion of the top floor and are distributed in an overhanging mode. A plurality of auxiliary supporting steel beams perpendicular to the main supporting steel beams are arranged at the positions, above the cantilever ends, of the main supporting steel beams, the formwork supporting frame is arranged above the auxiliary supporting steel beams, the roof cantilever structure formwork is fixed to the top of the formwork supporting frame, and a scaffold of a double-row outer frame structure is erected on the outer side of the formwork supporting frame. The lower portion of the scaffold is connected with the main supporting steel beam. The formwork supporting device is simple in structure, low in erecting difficulty and high in safety, and the formwork supporting problem of cantilever structures of multi-layer, high-layer and small high-layer roofs is solved.

The utility model discloses a novel photovoltaic assembly end portion pressing block assembly, comprising an upper portion pressing block and a lower portion pressing block, at least part of the end portion of the upper portion pressing block is contacted with the outer side end face of the top of a purline, and the lower portion pressing block is provided with a first contact portion contacted with the inner side end face of the top of the purline. Connecting holes are formed in the upper pressing block and the lower pressing block, the upper pressing block and the lower pressing block are locked to the top of the purline through connecting bolts, after the upper pressing block and the lower pressing block are locked, the ends, away from the purline, of the upper pressing block and the lower pressing block abut against each other, and a connecting part connected with a photovoltaic module is further arranged on the upper pressing block; different from a traditional photovoltaic module end portion pressing block, the novel photovoltaic module end portion pressing block is additionally provided with the lower pressing block, the photovoltaic module can be clamped on the photovoltaic support purline without forming holes in the photovoltaic support purline again, and the novel photovoltaic module end portion pressing block is particularly suitable for a built module needing to be reinforced.

The utility model relates to the technical field of jacking devices, in particular to a bridge support replacement jacking device which comprises a hydraulic column and a hydraulic jacking cylinder. And two groups of hydraulic jacking cylinders are mounted on the outer side of the hydraulic column. The two sets of hydraulic jacking cylinders are connected with the top plate to assist the hydraulic columns for supporting, so that the bearing capacity of the hydraulic columns can adapt to actual loads of different bridges, sufficient supporting force is provided, it is ensured that the hydraulic columns can safely support the upper structures of the bridges, and the load requirements of different bridges are met; load can be dispersed, overload of a single hydraulic cylinder is avoided, additional lateral support is provided for the hydraulic cylinders, the hydraulic cylinders are prevented from overturning in the jacking process, the risk of equipment damage is reduced, the two sets of hydraulic jacking cylinders are used for assisting in supporting, the load is effectively dispersed, local stress concentration is reduced, and the reliability of equipment is improved. And the risk that the bridge structure cracks or deforms in the jacking process is reduced, and the overall safety is improved.

A glass fiber reinforced plastic hull jig frame structure comprises a frame body. A bottom plate is fixedly connected to the bottom of the frame body, three groups of mounting holes are formed in the middle section of the frame body, a sleeve layer is clamped in the mounting holes through fasteners, a supporting edge integrally and horizontally extends from the top of the sleeve layer, and the supporting edge is in lifting contact with the bottom of a ship body; and the frame body is horizontally provided with a balance mechanism along the position of the bottom plate. According to the jig frame structure capable of enlarging the stress area of the bottom of the ship body, the ship body supporting procedure can be completed through the longitudinal supporting structure and the horizontal supporting structure, the supporting contact area can be enlarged through the installation structure of the horizontal supporting structure, stress stability is guaranteed, and finally the overall jig frame structure is benefited. And meanwhile, the ship body is supported more safely and reliably.

The multifunctional cutting arm comprises a base, a main arm, a main arm oil cylinder, an auxiliary arm and an auxiliary arm oil cylinder, the heading machine is coaxially supported in a vertical shaft, the base is fixedly connected to the rotation power output end of the heading machine, the middle of the first end of the main arm is hinged to the base, the first end of the main arm oil cylinder is hinged to the side wall of the base, and the second end of the main arm oil cylinder is hinged to the side wall of the base. The second end of the main arm oil cylinder is hinged to the side wall of the second end of the main arm; the first end of the auxiliary arm oil cylinder is hinged to the middle of the first end of the main arm, one side of the auxiliary arm is hinged to the second end of the main arm, and the other side of the auxiliary arm is hinged to the second end of the auxiliary arm oil cylinder. According to the invention, the structures of the main arm and the auxiliary arm are optimally designed, so that when the main arm and the auxiliary arm retract, the rock breaking roller can be driven to directly ascend to the position of the maintenance platform, a maintainer can directly maintain the rock breaking roller on the maintenance platform, the safety is improved, the maintenance efficiency is improved, and the project progress is accelerated.

The utility model discloses a concrete pouring flanging auxiliary device which comprises a plurality of disc type vertical rods. The transverse rods are used for being matched with the discs on the adjacent disc type vertical rods for installation and attached to the peripheral surface of the formwork so as to support the formwork. The inclined strut is used for supporting the inner side surface of the template; the cross rods are matched with the inclined struts to support the templates on the two sides; and the opposite pull rods are used for oppositely pulling the templates on the two sides. The flange pouring device can assist flange pouring under the condition that no outer frame exists on the edge, and flange pouring is safer.

The utility model provides adjustable support frock of LNG transport ship of height adjustable, including support main part and control component, support main part bottom is connected with support base, the top support panel is installed with top support panel through control component in support main part top, fork truck carries hole frame, the work platform below is provided with fork truck carries hole frame, fork truck carries hole frame is connected in support main part side surface. The utility model discloses strong stability, easy transportation and storage, and the operation safety has obtained higher guarantee, and simultaneously this support frock can be used as construction operation platform to carry out other construction operations in a certain range, has improved the use efficiency of this frock, and simultaneously this support frok structure form is simple, easy to make, can adjust according to the sectional jacking position of different size, different shape, and the flexibility is strong, has the characteristics such as convenient installation, stable support, strong carrying capacity, height adjustable, can ensure that the ship sectional assembly work can be carried out quickly, efficiently, safely.

The utility model discloses a support assembly used for a new energy photovoltaic assembly, comprising a vertical column, one side of the middle section of the vertical column is provided with a first cross beam, an inclined strut is arranged between the first cross beam and the vertical column, the other side of the top end of the vertical column is provided with a second cross beam, and an inclined strut is arranged between the second cross beam and the vertical column. Fixing holes are formed in the stand columns. By arranging the inclined struts, the first cross beams, the first mounting holes, the second cross beams, the connecting pins, the sliding grooves, the second mounting holes and the third mounting holes, flexible mounting is achieved, two-stage pedals can be mounted at different heights and angles in the opposite directions through the two cross beam structures, the use range of the support is widened, and the use cost is reduced. The first mounting hole is formed in one side of the cross beam, the sliding groove is formed in the other side of the cross beam, and when the inclined strut is mounted, the mounting position can be adjusted within a certain range, so that the inclined strut is convenient to mount, and the use flexibility is improved.

This utility model relates to the technical field of bracing devices, specifically disclosing an active spiral steel pipe bracing device. It includes a spiral steel pipe with vertical support plates fixedly installed at both ends. A support screw is fixedly installed on one side of the spiral steel pipe, with one end of the support screw passing through the vertical support plate and extending into the interior of the spiral steel pipe. A limit plate is fixedly installed at one end of the support screw, and a pressure sensor is fixedly installed at the other end of the spiral steel pipe. This utility model achieves precise application and dynamic control of prestress by electrically driving the adjustment of the support length and using the pressure sensor to monitor the support force in real time. It offers efficient adjustment, intuitive monitoring, avoids overpressure or underpressure, and improves support safety and construction efficiency.

The invention relates to a supporting structure and method for an underground excavation electric power tunnel, and belongs to the field of tunnel engineering.The supporting structure comprises a supporting assembly arranged in the electric power tunnel, a top plate is installed at the top of the supporting assembly, a rotating ring is installed on the top plate, a support is fixedly connected to the supporting assembly, and pushing assemblies are installed on the two sides of the rotating ring; a sliding rod is installed in the support in a sliding mode, a rack is fixedly arranged in the sliding rod, a first motor is fixedly installed on the support, an output shaft of the first motor is connected with a second gear, the second gear and the rack are connected in a meshed mode, and a second motor is installed on the sliding rod. According to the method, the technical means of advance support, refined soil body excavation, high-strength grid erection, high-performance concrete spraying, primary support back grouting and the like are comprehensively applied, and accurate control over surface subsidence and the minimum influence on an existing structure are achieved when the existing building structure is subjected to underneath crossing and overcrossing at the same time.

The application provides a large-span skew bridge integrated bridging equipment and a construction method thereof, which comprises a first front support leg, a second front support leg, a middle support leg and a tail support leg arranged from left to right at the lower part of a main beam, a first main trolley and a second main trolley slidingly connected at the top of the main beam, and an auxiliary trolley arranged at the side close to the tail support leg, wherein the lower parts of the first main trolley and the second main trolley are connected through a rotary hoist, and the rotary hoist is used for completing the hoisting of a bridge component. The application greatly improves the adaptability to the construction of large-span skew bridges, can adapt to variable skew angles, has high structural strength, high stability and high construction efficiency.

This invention discloses a formwork and construction method for a partially ultra-high cast-in-place beam in a large prefabricated factory building, relating to the field of building construction technology. It includes angle irons installed on both sides of a precast beam. Bolt holes are provided on one side surface of the angle irons, and fixing holes are provided on the other side surface. Square steel is installed above the angle irons, and a bottom beam formwork is installed above the square steel. Stirrups are installed above the bottom beam formwork, and the stirrups are filled with cast-in-place reinforcing steel. Side forms are provided on the surfaces of the stirrups, and square timber is installed on the side of the side forms away from the stirrups. The method employs a formwork support system where angle irons are mechanically anchored to the sides of the already installed high-altitude precast beam as load-bearing supports, and square steel is placed on the angle irons as a load-bearing frame. The anchor holes at the fixing points between the angle irons and the precast beams are L-shaped, allowing for variable elevation of the angle irons, ensuring both safe formwork support and smooth demolding.

The utility model discloses a coal mine shed roadway temporary supporting device which comprises a telescopic top frame, the telescopic top frame comprises fixed arms arranged in parallel, telescopic arms driven by hydraulic telescopic oil cylinders are arranged in the fixed arms, a second connecting rod is fixedly connected between the front ends of the telescopic arms on the two sides, and a beam trimmer is arranged on the second connecting rod. The telescopic stand columns are symmetrically arranged below the telescopic top frame and comprise fixing columns, telescopic columns driven by lifting hydraulic oil cylinders are arranged in the fixing columns, the front ends of the telescopic columns on the two sides are hinged to the lower portions of the fixing arms on the two sides respectively, and the lower ends of the fixing columns on the two sides are hinged to grafting combined fasteners. The grafting combination fasteners on the two sides are fixedly connected to the two sides of a large frame of the heading machine respectively, and a connecting column is connected between the fixing columns on the two sides and connected to the upper portion of a cutting arm of the heading machine through a turnover hydraulic cylinder. The device can safely, reliably and quickly support the empty roof area, the safety of tunneling production is greatly improved, the production efficiency is greatly improved, and the device is convenient to use.

The utility model discloses a residence inner wallboard installation auxiliary device, which belongs to the technical field of inner wallboard assembly, and is characterized in that the residence inner wallboard installation auxiliary device comprises a bottom frame, a lifting support, a climbing ladder and a lifting mechanism, one end of the bottom frame is fixedly connected with the lifting support, the other end of the bottom frame is hinged with the lower end of the climbing ladder, and the upper end of the climbing ladder is hinged with the lifting support; and a lifting mechanism is mounted on the bottom frame. Compared with the prior art, the inner wallboard hoisting device has the characteristic of convenience in hoisting the inner wallboard.