33results about How to "Avoid idle work" patented technology

The invention discloses a construction method for a reinforced concrete arched roof of a grain store. The method comprises the following steps of: erecting a scaffold at the middle longitudinal part of a ring beam, and making a pedestal; paving lower chord prestressed steel bars, and performing prestressed tensioning; erecting a lower chord bottom die and a side die, installing a partition plate,and installing an upper chord arched bottom die and an upper chord arched side die at the top of the partition plate; paving upper chord steel bars; pouring concrete; stretching the prestressed steelbars when the strength of the concrete reaches over 85 percent, welding diagonal braces, and obtaining an arched plate after the diagonal braces are welded; and translating the arched plate, and welding and fixing the arched plate with an embedded steel plate. Because the construction mode of overhead prefabrication and integral translation is adopted, a large machine for hoisting is avoided, theconstruction progress is quickened, the safety risk is reduced, the cost is saved, the temporary site is reduced, and the construction efficiency is improved.

The invention specifically relates to a jumping type air tightness test construction method for a continuous annealing furnace. The method is characterized in that a heating furnace is divided into afirst furnace section and a second furnace section; the first furnace section includes a preheating section, a first heating section and a second heating section; the second furnace section includes athird heating section, a soaking section, a slow cooling section, a fast cooling section, an over-aging section and a balancing section; air tightness test is carried out on the first furnace section; and the fast cooling section in the second furnace section is isolated, the slow cooling section and the over-aging section are connected by a connecting pipe, air tightness test is carried out simultaneously on the slow cooling section and the over-aging section, and air tightness test is carried out separately on the fast cooling section. When the construction progress of the fast cooling section lags behind the other furnace areas and air tightness test cannot be carried out simultaneously on all sections from the third heating section to the balancing section, through air tightness testusing the construction method of the invention, idleness of construction personnel can be avoided, the total duration of initial air tightness test on the second section of the furnace area can be shortened, and the total duration of furnace drying, threading and trail production can be guaranteed.

The invention relates to an arrangement method for a double circulation process of an interior wallboard member production line. An assembly line comprises the following steps: mold cleaning; releaseagent spraying; side form lineating; side form mounting; reinforcing steel bar mounting; embedded part mounting; pouring and vibrating; striking off; leaving to stand and procuring; plastering and press polishing; steam curing; mold disassembling; rough surface treatment; and putting in storage. The assembly line performs construction by adopting two independent circulating assembly lines: an inner circulating assembly line and an outer circulating assembly line. The arrangement method for the double circulation process of the interior wallboard member production line avoids stagnation of theassembly line and idling of the labor force of staff as a result of single circulation of a conventional process. By adopting the inner and outer independent double circulation assembly line circulation method, fields and resources are utilized fully, so that the production efficiency is increased to two times of that of a conventional assembly line.

The invention discloses a printing device paper tension detecting and processing device. A first board and a second board are arranged in parallel with a preset gap. Paper penetrates the preset gap. A power device is installed on the second board, and a groove, a groove perpendicular to the moving direction of the paper and a slot are formed in the second board. A cutter is composed of a cutter handle fixedly connected with the front end of a driving rod and a plurality of cutter units fixed at one end of the cutter handle far away from the driving rod, and the cutter units are evenly distributed along one end of the cutter handle far away from the driving rod. A plurality of slot units matched with the cutter units are arranged on the second board. A tension detection device for detecting real-time tension value of the paper transmits the real-time tension value to a control device, and the control device compares the real-time tension value and the preset first threshold. When the real-time tension value is larger than the first threshold, the control unit controls the power device to drive the cutter units to enter the slot units matched with the cutter units to cut off the paper. The service life is prolonged.

The invention provides an asynchronous hanging basket with triangular truss type hoisting equipment and a using method thereof, and the asynchronous hanging basket comprises a sliding beam mechanism which is fixedly connected with the upper surface of top plate concrete; the suspension mechanism is connected with the right side of the sliding beam mechanism and comprises a hanging bracket connected with the right side of the sliding beam mechanism through a connector, a bottom basket longitudinal beam fixedly connected with the bottom plate concrete through a connector, and a hanging belt with the bottom connected with the connector; the hanging basket mechanism is connected with the right side of the suspension mechanism through a supporting mechanism; and the walking mechanism is fixedly connected with top plate concrete, the right end of the walking mechanism is connected with the sliding beam mechanism, the sliding beam mechanism, the suspension mechanism, the supporting mechanism, the hanging basket mechanism and the lifting mechanism are pushed to synchronously move on the horizontal plane, and hoisting of the corrugated steel web is completed. The tower crane has high stability, the problems that in existing construction, a tower crane is insufficient in hoisting capacity and insufficient in hoisting range are solved, and the problem that use of a large tower crane or hoisting machinery contradicts with economic benefits and construction efficiency is further solved.

The invention relates to a special crane for vertically transporting an explosive. The special crane comprises a main base, a motor, an explosive containing box and a plurality of auxiliary bases, wherein the auxiliary bases are arranged at the side edge of the main base; the auxiliary bases are connected with the main base through detachable self-locking structures; the motor is arranged on the main base, a driving wheel is arranged on an output shaft of the motor, the main base is provided with a rope winding fixed pulley, and the driving wheel and the fixed pulley are in transmission connection through a crawler belt; the explosive containing box is connected with the fixed pulley through a rope. Compared with the prior art, the special crane has the advantages that the safety of hoisting of the explosive is improved, the requirements on that the explosive is hoisted to various locations are met, the manning is reduced, working conditions are improved, meanwhile, construction progress is guaranteed, the safety of construction is guaranteed, the idling of labor force is greatly avoided, the blasting cost is reduced, and a better economic benefit is obtained.

The invention discloses a construction method conversion construction method for super-long-span tunnels in the surrounding rock section of level V to level IV. Controlled excavation is adopted to keep the same elevation of the arching line, and the double side wall pilot pit method of the surrounding rock is used as the leading and leading method in the construction of the transition section. The temporary middle wall of the left pilot pit and the temporary middle wall of the right pilot pit on both sides of the rear guide move to the middle of the tunnel at the same time, until the temporary middle wall of the left pilot pit and the temporary middle wall of the right pilot pit touch, and the temporary inverted arch Lock-foot anchors are applied on both sides; then the temporary middle wall of the right pilot pit is removed, and the temporary middle wall of the left pilot pit is retained as the middle temporary middle wall of the CRD method. This method transitions from the double-side-wall pilot-pit method to the CRD method in the horizontal direction, avoiding the time interval between construction method conversions, and reducing the disturbance of the surrounding rock caused by the removal of the temporary support of the double-side-wall pilot-pit method in the later stage, thus speeding up the construction. , save the construction period, avoid idle work, and improve the economic benefits of tunnel construction.

The invention discloses a gangue bag filling method in thin coal seam wide roadway tunneling under a tight roof. A roadway is tunneled along a coal seam in the roadway tunneling process, and the initial cross section of the roadway is 3.4m wide and 2.5m high; while tunneling the roadway, rock bolting is conducted in a manner that rock bolts are stroke into the roof, the floor and the two sides of the roadway and diamond metal nets are hung for bolting; when the roadway is tunneled for 6m on the basis of the dimension of the initial cross section, the roadway is expanded at the two outer sides of the roadway along the coal seam to form a stowboard; after that, the roadway and the stowboard are alternately tunneled and advance circularly; the coal extracted from the roadway is transported to the ground while the dug-out gangue is transported to the stowboard to be bagged off, thereby forming gangue bags; and the gangue bags are piled up and built in the stowboard in a manner that the gangue bags are firmly connected with the roof of the coal seam and are flush with the wall of the stowboard.

The invention specifically relates to a jumping type air tightness test construction method for a continuous annealing furnace. The method is characterized in that a heating furnace is divided into afirst furnace section and a second furnace section; the first furnace section includes a preheating section, a first heating section and a second heating section; the second furnace section includes athird heating section, a soaking section, a slow cooling section, a fast cooling section, an over-aging section and a balancing section; air tightness test is carried out on the first furnace section; and the fast cooling section in the second furnace section is isolated, the slow cooling section and the over-aging section are connected by a connecting pipe, air tightness test is carried out simultaneously on the slow cooling section and the over-aging section, and air tightness test is carried out separately on the fast cooling section. When the construction progress of the fast cooling section lags behind the other furnace areas and air tightness test cannot be carried out simultaneously on all sections from the third heating section to the balancing section, through air tightness testusing the construction method of the invention, idleness of construction personnel can be avoided, the total duration of initial air tightness test on the second section of the furnace area can be shortened, and the total duration of furnace drying, threading and trail production can be guaranteed.

The invention provides a construction method for embedding iron into a special-shaped trench support opening. The construction method comprises the steps that 1, the positions and the shape structures of embedded iron pieces needing to be arranged in the special-shaped trench support opening are determined; 2, an integrated embedded iron structure is designed, determined and subjected to compliance approval; 3, all components of the integrated embedded iron structure are prefabricated; 4, all the related components in the integrated embedded iron structure are welded in advance on site to form a locally integrated embedded iron structure; 5, the locally integrated embedded iron structure is installed and reinforced after rechecking; 6, the other embedded iron pieces and the locally integrated embedded iron structure are welded to form a whole body; 7, steel bar binding and concrete pouring are conducted. According to the construction method, the project quality can be improved, the construction period can be shortened, and the labor cost and building material consumption can be reduced.

The invention discloses a construction method for a reinforced concrete arched roof of a grain store. The method comprises the following steps of: erecting a scaffold at the middle longitudinal part of a ring beam, and making a pedestal; paving lower chord prestressed steel bars, and performing prestressed tensioning; erecting a lower chord bottom die and a side die, installing a partition plate,and installing an upper chord arched bottom die and an upper chord arched side die at the top of the partition plate; paving upper chord steel bars; pouring concrete; stretching the prestressed steelbars when the strength of the concrete reaches over 85 percent, welding diagonal braces, and obtaining an arched plate after the diagonal braces are welded; and translating the arched plate, and welding and fixing the arched plate with an embedded steel plate. Because the construction mode of overhead prefabrication and integral translation is adopted, a large machine for hoisting is avoided, theconstruction progress is quickened, the safety risk is reduced, the cost is saved, the temporary site is reduced, and the construction efficiency is improved.

The invention provides a construction method of gate pier corbel reinforcement, which comprises the following steps: 1. Fabricate a reinforcement cage body on a site other than the gate pier, and weld an inner bracket inside the reinforcement cage; 2. Install the poured gate pier concrete for support The outer bracket of the steel cage; 3. Set up the cantilevered scaffolding support device for supporting the bottom mold of the corbel on the poured gate pier concrete; 4. Lift the steel cage as a whole and position it accurately; 5. The steel cage and the gate The other steel structures of the pier body are connected and formed; 6. Remove the inner bracket and outer bracket, and wait for the concrete pouring of the corbel warehouse; through the above steps, the one-time overall prefabrication and hoisting construction of the left and right corbel steel bars of the hydraulic gate pier will be realized. Through the above steps, the hoisting and positioning of the steel cage body can be realized at one time, without the need for secondary welding construction of the steel cage body with the rise of the pier body, avoiding construction interference, improving work efficiency, greatly reducing the workload of high-altitude operations, reducing safety risks, and good economy .

The invention discloses a soil nailing wall construction method for pre-reinforcing a side slope rock-soil body, which comprises the following steps of: firstly, vertical layered horizontal running water construction is performed on a current side slope surface, holes are drilled in the side slope rock-soil body according to a certain angle, and the drilled holes penetrate through the to be excavated rock-soil body and enter a preset depth in the designed side slope rock-soil body through the designed side slope surface of the side slope; then, soil nails are inserted into the drilling section in the designed side slope rock-soil body from a current side slope surface hole opening following the drilling, and the drilling section provided with the soil nails is grouted and maintained to be strong; and finally, the rock-soil body to be excavated is excavated through layered horizontal running water construction according to the sequence from top to bottom, the designed slope surface of the slope is exposed in a layered mode, slope surface net hanging and concrete spraying operation is completed, and the process is repeatedly circulated to achieve vertical running water construction till the soil nailing wall supporting construction is completed after the first-stage slope is excavated in a layered mode. The temporary stability of the designed slope surface after layered excavation can be guaranteed, vertical flow construction and horizontal flow construction can be conveniently carried out at the same time, the construction efficiency is improved, and the phenomenon of idling of the construction site is avoided.