14results about How to "Quick demolition" patented technology

The utility model relates to the technical field of open caisson construction, in particular to a shaft bottom structure for open caisson method construction, which comprises a frame rib, a supporting rib arranged in the frame rib, an inner reinforcing rib arranged on the inner side of the frame rib, an outer reinforcing rib arranged on the outer side of the frame rib, and connecting steel bars arranged at intervals in the circumferential direction. The opening side of the connecting steel bar is located on the inner side of the shaft, and the end of the connecting steel bar is provided with a connecting sleeve used for being connected with a bottom plate steel bar; when the pouring formwork is arranged, the end of the connecting sleeve is tightly attached to the pouring formwork. Through holes do not need to be formed in the pouring formwork, and formwork removal is simple and rapid; during manual earth cutting, the safety of constructors can be further guaranteed; the influence on transportation of the base soil by the connecting steel bars is avoided.

The invention discloses a box type prefabricated part system which comprises a right-angle steel frame, an inner formwork system, an outer formwork system and an end formwork, third guardrails are fixedly installed above the right-angle steel frame, and reinforcing beams are arranged at the tops of the third guardrails; through the arrangement of the protection mechanism and the locking mechanism, the safety protection effect in the construction process can be improved, meanwhile, protection parts can be rapidly spliced and connected, meanwhile, the protection parts can be rapidly disassembled and assembled, people can use the protection parts conveniently, meanwhile, the safety in the inspection process is improved, and the construction efficiency is improved. The first guardrail body and the second guardrail body can be rapidly connected through cooperation of a connecting base, a threaded rod, a baffle and a threaded sleeve, and a fixing sleeve and a first side plate are conveniently connected with a clamping sleeve and a second side plate through an inserting rod and a stress plate; and the third guardrail and the first guardrail or the second guardrail can be connected and reinforced in an inserted mode through the reinforcing beams, so that the required protection performance is improved.

The invention relates to the field of shield segments, and particularly discloses a shield segment production mold which comprises a movable base, an arc-shaped lower mold base is arranged on the movable base, a lifting assembly is arranged on the movable base, a side mold assembly is arranged on the lifting assembly, and a top mold assembly is arranged on the movable base. The arc-shaped lower die base, the side die assembly and the top die assembly form a die. Before mold removal, friction force can be provided for the side face and the top face of a shield segment product, so that the shield segment product is separated from the side mold assembly and the top mold assembly, adhesion between the shield segment product and the side mold assembly and between the shield segment product and the top mold assembly during mold removal is avoided, protection of the shield segment product is facilitated, and the product quality is improved; and synchronous form removal of the side form assembly and the top form assembly can be achieved, and the purpose of rapid form removal is achieved, so that the form removal efficiency is improved, and the production efficiency of shield segment products of enterprises is improved.

The utility model discloses a template supporting structure, which is characterized in that a transverse back ridge is arranged between a template and a vertical back ridge, an inserting column is arranged on a concrete cushion layer, the inserting column is inserted into the lower end of the vertical back ridge, a transverse rod is arranged above two opposite vertical back ridges, and a bolt inserted into the upper end of the vertical back ridge is arranged on the transverse rod. Therefore, transverse movement of the lower ends and the upper ends of the vertical back ridges is limited, and the formworks are prevented from moving outwards in the pouring process through stress of the vertical back ridges; according to the formwork supporting structure, split bolts do not need to be used, installation is easy, formwork removal can be conducted quickly only by pulling out the plug pins after construction is completed, a poured wallboard cannot be damaged, and the quality of the poured wallboard can be improved easily; the problems that an existing formwork supporting structure is troublesome to construct and use and poor in applicability can be effectively solved, and the effects of reducing the construction difficulty and improving the construction efficiency are achieved.

The utility model discloses an injection mold for manufacturing an automobile lamp holder, which belongs to the technical field of automobile accessory production and comprises a lower mold holder and an upper mold holder, an injection port is arranged on the upper end face of the upper mold holder, fixing columns are fixedly arranged at four corners of the upper end of the lower mold holder, and connecting grooves matched with the fixing columns are arranged on the outer surface of the upper mold holder. Clamping assemblies are arranged on the two sides of the upper die base correspondingly. The die has the beneficial effects that by arranging the clamping plate, the moving block, the compression spring and the clamping groove, when the upper die base and the lower die base are in butt joint, the upper die base is pressed downwards, and the clamping plate is clamped into the clamping groove in a sliding manner, so that the effect of installing and fixing the upper die base is achieved, and the effect that the upper die base and the lower die base are tightly attached and fixed is effectively ensured; and the sliding plate is extruded to move towards the inner side of the connecting plate, so that the pull rope is stressed to be bent and drives the two moving blocks to move oppositely, then the clamping plate is driven to slide to be separated from the clamping groove, and the effect of rapidly removing the mold between the upper mold base and the lower mold base is achieved.

An automatically adjustable and moving formwork system and an operation method thereof, comprising a formwork system, a steel frame system, a hydraulic system and an electrical system. The formwork system comprises an inner wall formwork, an outer wall formwork, a bottom formwork and an inner wall top plate formwork; the steel frame system comprises an inner wall steel frame system and an outer wall steel frame system, the inner wall formwork, the inner wall top plate formwork and the inner wall steel frame system constitute an inner wall formwork; the outer wall formwork and the outer wall steel frame system constitute an outer wall formwork, a casting cavity is formed between the inner wall formwork and the outer wall formwork, and the electrical system controls the demoulding and movement of the inner wall formwork. Good integrity. One-time pouring of concrete can reduce one construction joint, the structural integrity is better, and the concrete appearance quality is better; the through-wall pulling process is free, the structural wall has no through-wall holes, and the structural appearance and waterproof performance are better.

The utility model discloses a special-shaped steel mold structure for rapid construction of a duct piece plant foundation. The problems that the utilization rate is low and the pouring quality is low due to the fact that an existing duct piece plant adopts wood mold plates are solved. The mold comprises a mold body, the mold body is of a detachable structure, a cover plate is arranged above the mold body, and the cover plate is of a structure for fixing a plurality of embedded bolts; the die body comprises an upper die and a lower die which are connected through a gradual change part, and the sectional area of the upper die is smaller than that of the lower die.

The present invention discloses an aluminum alloy pipe gallery socket profile, comprising: an end panel; two connecting side ribs, which are symmetrically arranged on both sides above the end panel and are arranged vertically with the end panel; a socket mold body, which is arranged below the end panel, and comprises a straight light plate, an oblique light plate and a cushion mold plate connected to the end panel, wherein the straight light plate, the oblique light plate and the cushion mold plate form a weight-reducing cavity; a sealing cushion film is also arranged on the cushion mold plate; the end panel, the two connecting side ribs and the socket mold body are made of an integrally formed aluminum alloy. The above profile can be processed into a pipe gallery socket or spigot mold, which has strong versatility and is easy to process.

This utility model relates to the field of cold heading machine mold replacement, and discloses a multi-station quick-change mold mechanism for a bolt cold heading machine. It includes a machine body, a rear platen seat disposed inside the machine body, and a mold mounting seat disposed at the top of the rear platen seat. An installation assembly is provided between the rear platen seat and the mold mounting seat. The installation assembly includes a mounting plate fixedly connected to the left side of the mold mounting seat near its bottom. A connecting plate is fixedly connected to the left side of the mounting plate. Multiple sets of locking blocks are evenly distributed and fixedly connected to the bottom of the mounting plate. The top left side of the rear platen seat has evenly distributed slots corresponding to the multiple sets of locking blocks. In this utility model, by quickly releasing the limiting positions of the mounting plate and the connecting plate, the mounting plate and the rear platen seat can be quickly and securely connected for installation or removal. The operation is simple and convenient, significantly shortening mold replacement time, effectively reducing downtime of the cold heading machine, allowing the equipment to be put into production more efficiently, and improving overall production efficiency.

The utility model relates to the technical field of carbon fiber battledore molds, in particular to a carbon fiber battledore mold facilitating material taking, which comprises a bottom plate mold, a taking-out mechanism used for quickly taking out a carbon fiber battledore is arranged on the bottom plate mold, and the taking-out mechanism comprises a pushing plate. The pushing plate is slidably connected into the bottom plate mold, the size of the pushing plate is matched with that of the carbon fiber badminton racket, a plurality of pushing rods are fixedly connected to the bottom end of the pushing plate, and through cooperation of the bottom plate mold and the taking-out mechanism, the carbon fiber badminton racket is taken out of the mold after being formed; according to the device, operation is easy, the formed carbon fiber battledore can be taken out rapidly, rapid mold removal is achieved, damage to the carbon fiber battledore in the mold removal process is avoided, the yield is increased, and practicability is high.

The utility model discloses a vacuum sand box for precision casting, which comprises a lower sand box body and an upper sand box body which are stacked, the lower sand box body and the upper sand box body are respectively provided with a lower inner cavity and an upper inner cavity which are communicated with each other, the lower sand box body is provided with a vacuum joint communicated with the lower inner cavity, and crossed partition plates are inserted in the lower sand box body and the upper sand box body. The interiors of the lower sand box body and the upper sand box body are divided into a plurality of cavities by the partition plates, the upper sand box body is fixedly connected with a lifting lug, and a weight is arranged at the upper end opening of the upper sand box body; the upper sand box body and the lower sand box body are combined to form the sand box body, the shell is arranged between the two sand box bodies, and the interiors of the two sand box bodies are vacuumized through the vacuum connectors, so that vacuum pouring of the shell is realized, mold disassembly can be quickly completed, the production efficiency of castings is improved, a plurality of cavities can be separated through the crossed partition plates, and the production efficiency of the castings is improved. And therefore, simultaneous pouring of a plurality of castings is realized, and the production efficiency of the castings is further improved.

The invention relates to the technical field of molds, and particularly discloses a rail top air duct prefabricated part mold. Wherein the outer mold assembly and the inner mold assembly are arranged on the inner side of the outer mold assembly, a forming cavity is formed between the outer mold assembly and the inner mold assembly, and a quick-release locking structure is arranged on one side of the outer mold assembly; the outer mold assembly comprises an outer mold frame and a side mold frame rotationally connected with the outer mold frame through a first rotating structure. The outer mold frame comprises a bottom plate, a first outer mold frame arranged on the bottom plate and a second outer mold frame arranged opposite to the first outer mold frame. The inner mold assembly comprises a detachable first inner mold frame and a detachable second inner mold frame arranged below the first inner mold frame. The mold is simple and convenient in structure, high in demolding and mold closing speed and good in effect.

The utility model relates to bridge engineering construction technical field especially relates to a collapsible prefabricated small box girder quick -detachable form, include: bottom form, side form, inner form and end form, end form is used to close the end of box girder, and side form is located bottom form both sides. Inner form is composed of left form and right form that are left -right symmetrical, and left form is composed of hinged left upper inner form and left lower inner form, and right form is composed of hinged right upper inner form and right lower inner form. The adjusting support mechanism for supporting and locking the unfolded angle is equipped on left form and right form. The connecting mechanism that can be quickly assembled and disassembled is equipped between the butt -joint edge of left upper inner form and right upper inner form and between the butt -joint edge of left lower inner form and right lower inner form. The utility model discloses through the hinged folding and quick -detachable design of inner form, realized the early whole dismantling of inner form and fast turnover, has improved construction efficiency greatly and reduced form material backlog cost.

The glass fiber rib arch rib hog house leak plate comprises a body, the body comprises a face plate, transverse ribs and longitudinal ribs, the face plate is rectangular, the transverse ribs and the longitudinal ribs extend in the width direction and the length direction of the face plate respectively and are arranged on the two sides of the face plate, a plurality of leak grooves are formed in the face plate, the length direction of the leak grooves is arranged in the length direction of the face plate, and the longitudinal ribs are arranged on the face plate. The upper end faces of the panel, the transverse ribs and the longitudinal ribs are flush, and the lower end faces of the transverse ribs and the longitudinal ribs are lower than the lower end face of the panel; the lower end surface of the longitudinal rib is an arc-shaped surface which is upwards sunken into an arch; the leak plate further comprises a plurality of glass fiber ribs, the glass fiber ribs are arranged in the transverse ribs and the longitudinal ribs, the glass fiber ribs in the transverse ribs and the glass fiber ribs in the longitudinal ribs are in lap joint with each other, and the glass fiber ribs extending in the length direction of the panel are arranged in the panel between the leak grooves. The body is made of dry hard concrete. The invention has the advantages of light dead weight, corrosion resistance, low manufacturing cost, simple manufacturing process and short manufacturing period, and belongs to the technical field of breeding industry auxiliary equipment.