134results about How to "Reduce construction errors" patented technology

The invention provides a suspended ceiling system which is suspended on spherical nodal points of steel structure on a roof. The suspended ceiling system is characterized by comprising a suspended system connected with the spherical nodal points; a diamond unit frame structure system arranged on the lower side of the suspended system; a ribbon board system arranged on the lower side of the diamond unit frame structure system in a lifting mode. The suspended ceiling system is characterized in that the diamond unit frame structure system comprises multiple diamond unit frames which are connected with each other in a splicing mode, the suspended system comprises multiple multi-direction movable cantilever beams which are connected with multiple spherical nodal points respectively, each multi-direction movable cantilever beam is provided with at least two extended frames, and the extended frames are connected with the diamond unit frame arranged on the lower side of the corresponding spherical nodal point in a lifting mode. The suspended ceiling system is forced uniformly in whole, and is firm in structure, good in steady performance, and excellent in displaying the suspended effect.

The invention discloses a bridge anti-collision guardrail and a construction method thereof, Collision barriers include columns, An upper rail and a low rail are respectively sleeved with a buff cylinder and a swirling ring on that upright column, the two ends of the upright column are fix on the upper rail through a limiting seat, the lower rail is provided with a fixing ring on the upright column, the fixing ring is in contact with the limiting seat located below, an L-shaped mounting plate is provided on the upper rail, an L-shaped mounting plate is provided with an anti-collision plate, and a cushioning guardrail plate is provided on the anti-collision plate; The construction method comprises the following steps: (a) route marking; (b) Post positioning; (c) Installation of lower railings; (d) installation of an upper railing; (e) Installation of cushion shields; (f) Installation of bumper plates; (g) Installation of remaining uprights. The anti-collision guardrail of the inventionhas the advantages of high stability, convenient installation, cushioning and anti-collision, high safety, easy operation, orderly and reasonable construction, fast and convenient construction, time and labor saving, low construction intensity and convenient maintenance in the later period. The invention has the advantages of high stability, convenient installation, cushioning and anti-collision,high safety, easy operation, orderly and reasonable construction method, fast and convenient construction, and low construction intensity.

The invention relates to the technical field of building construction, in particular to a construction method for an artificial hole-digging grouting pile. The construction method comprises the following steps that firstly, hole digging is conducted at a designed and determined artificial hole-digging grouting pile positioning point in an artificial hole digging manner, and pouring of a reinforced concrete well ring is conducted; secondly, pile hole protection wall construction is conducted, and before a protection wall template is installed, the bottom of a pile hole is downwards excavated to form a groove, and a connecting assembly connecting an upper protection wall with a lower protection wall is placed in the groove; thirdly, pile end expansion head construction is conducted; fourthly, the protection wall template is dismounted, and a reinforcement cage is hung and placed down; and fifthly, grouting pile pouring is conducted, concrete is pumped to a material barrel port through a concrete pump and pumped to the hole bottom through a material barrel via communication, and the concrete is vibrated densely through a concrete vibration machine. According to the construction method, the strength of the protection walls can be greatly improved, the anti-pressure ability that the protection walls resist a soil layer is improved, the protection walls have enough strength and stability and adapt to construction of soft soil texture, and the safety of the construction environment is improved; and the construction error between the upper protection wall and the lower protection wall can be reduced, and the precision of the pile center position and perpendicularity can be guaranteed.

The invention relates to an embedded channel installation and fixation method under the cast-in-place pipe gallery traditional technology. According to the embedded channel installation and fixation method, reinforcing steel bar binding is conducted first of all, and after reinforcing steel bar binding is completed, locating sleeves are welded to reinforcing steel bars, wherein the locating sleeves are perpendicular to the surface of a wall; holdfasts are connected with the embedded channel, and the holdfasts penetrate through the locating sleeves; formwork abutting rods are welded to the endsof the holdfasts; an inner formwork and an outer formwork of the wall are installed; protective layer cushion blocks are arranged on the bound wall reinforcing steel bars, split bolts penetrate through the protective layer cushion blocks, cement formwork abutting rods are installed, the interval between the inner formwork and the outer formwork is adjusted, and the channel and the formwork abutting bars are made to be in tight combination with the formworks on the two sides; the formworks are reinforced through the split bolts, the cement formwork abutting rods and primary and secondary bolts; and concrete is poured, and the embedded channel is permanently fixed. By the adoption of the embedded channel installation and fixation method under the cast-in-place pipe gallery traditional technology, the installation precision of the embedded channel is guaranteed, the construction errors are reduced, the work efficiency is improved, and the construction cost is reduced.

The invention discloses an arc corner for a wallboard. The arc corner comprises a cylindrical arc-shaped cover plate and a base in an elongated structure. The arc corner is characterized in that an inserting fastener and a locking fastener are arranged on two sides of the cover plate respectively, an inserting block and a locking block are arranged on two sides of the base respectively, and the inserting fastener and the locking fastener are fastened with the inserting block and the locking block respectively. The arc corner for the wallboard has the advantages that the cover plate and the base are internally connected through the inserting fastener and the locking fastener and the inserting block and the locking block; and the corner position is easily damaged by bump, and the cover plate can be exchanged directly after damage, so that the dismounting and the remounting are simple.

The invention discloses a manual correction device for a cantilever steel beam and a construction method. The manual correction device comprises a supporting mechanism and a traction mechanism. The supporting mechanism comprises a supporting frame, a z-direction jack and a plug. The supporting frame is fixed with the plug through the z-direction jack, an x-direction jack and a y-direction jack areinstalled in the plug, x-direction idler wheels for supporting the cantilever end of the cantilever steel beam are rotatably installed on a bracket of the x-direction jack, and y-direction idler wheels for supporting the cantilever end of the cantilever steel beam are rotatably installed on a bracket of the y-direction jack. The traction mechanism comprises an x-direction traction rope and two y-direction traction ropes, and the three traction ropes are detachably connected with the outer end and the left and right sides of the cantilever steel beam through respective rope buckles of the three traction ropes. The key of the manual correction device is to use the two groups of idler wheels to alternately support and lubricate the cantilever end and use the traction ropes to pull for correction. According to the manual correction device and the construction method, the cantilever ends of the cantilever steel beams can be kept aligned in all directions of x, y, and z.

The invention belongs to the technical field of cable trench construction, and particularly relates to a movable formwork structure and a construction method thereof. The construction method comprisesthe steps of formwork system machining and manufacturing, construction preparation, contact surface treatment, drainage blind pipe mounting, steel bar binding and mounting, formwork moving and positioning, pipe burying piece mounting and fixing, formwork overall reinforcing and plugging, one-time overall pouring and coagulation, maintenance and formwork dismounting and formwork moving to enter the next construction section. The construction method is simple and convenient to operate, good in quality, high in construction speed, high in efficiency, low in labor intensity, time-saving, labor-saving, low in comprehensive construction cost, good in economic benefit and suitable for construction of trench structures such as tunnel cable trenches and roadbed drainage ditches.

The invention provides a swivel body spherical hinge position control device for bridge construction applied to the technical field of the bridge construction auxiliary equipment. The lower end face of a spherical hinge body (1) of the swivel body spherical hinge position control device for bridge construction is provided with a spherical hinge dorsal rib (3), the welded plate piece I (5) of the connecting steel plate I (4) is connected with the spherical hinge dorsal rib (3) in a welded mode, a adjusting plate I (6) of the connecting steel plate I (4) is provided with a connecting hole I (7), the lower end of a bolt I (8) is fixedly connected with a steel angles of the top of the support (2), the bolt I (8) penetrate through connecting hole I (7), the bolt I (8) is screwed and sleeved with a clamp nut I (9) and a adjusting nut I (10). According to the swivel body spherical hinge position control device for bridge construction, the structure is simple, the height and the horizontal position of the swivel body spherical hinge can be adjusted in place fast and conveniently, the fact that the position of the spherical hinge is the regulation precision and accuracy is insured, the difficulty of adjusting the position of the spherical hinge is lower in the construction process, and the construction progress is improved effectively.

The invention discloses a wharf integrated construction system and method based on a pile top pushing platform. The wharf integrated construction system based on the pile top pushing platform comprises the pile top pushing platform and a truss transportation system. The pile top pushing platform comprises a bearing operation platform, the bottom of the bearing operation platform is connected witha pile top positioning pushing device, one end of the bearing operation platform is connected with a guide frame, the other end of the bearing operation platform is connected with the truss transportation system, the truss transportation system comprises a truss, and a conveying mechanism for steel casings and a concrete pouring pipeline are arranged on the truss. The wharf integrated constructionsystem based on the pile top pushing platform is simple in structure and convenient to use; and the pile top pushing platform and the truss transportation system are integrated, the flexible movementand quick positioning of the pile top pushing platform are realized, so that the wharf integrated construction system based on the pile top pushing platform synchronously completes piling and bored pile construction flow operation, the operation period is shortened, the construction cost is reduced, and the wharf construction work efficiency is improved.

The invention relates to the field of bridges, and discloses a floating guide positioning device suitable for mounting a water pipe pile. The device comprises a frame type floating positioning platform; the frame type floating positioning platform includes at least three frames connected end to end; the frames surround a pipe pile channel; multiple platform fixing devices are arranged around the floating positioning platform; and position adjusting devices are arranged on the frames, and are provided with extension parts for adjusting a horizontal position of the water pipe pile. The invention further discloses an application method of the floating guide positioning device suitable for mounting the water pipe pile. The floating guide positioning device is high in positioning precision of the water pipe pile and low in requirements on lifting equipment.