CN219886865U - Building pit assembly type mould box structure - Google Patents

Abstract

The utility model discloses a building pit assembly type mould box structure which comprises a bottom mould supporting mechanism, a wall mould supporting mechanism and a weight supporting mechanism, wherein the bottom mould supporting mechanism comprises a bottom mould assembly and a guiding and positioning assembly on the bottom mould assembly; the wall die supporting mechanism comprises wall corner dies, wall middle dies, a template locking vertical plate assembly and a reinforced fixed top plate, wherein the four wall middle dies are arranged in a quadrilateral manner, a group of wall corner dies are arranged between adjacent wall middle dies, and the upper ends of the wall corner dies are connected with the wall middle dies through the reinforced fixed top plate; the inner end of the wall angle mould is provided with a first locking supporting plate, the inner end of the end part of the wall middle mould is provided with a second locking supporting plate, and the first locking supporting plate is connected with the second locking supporting plate through a template locking vertical plate assembly; the weight supporting mechanism comprises an inner supporting mechanism arranged in the wall middle die and a weight component arranged at the upper end of the inner supporting mechanism. The die box is simple and novel in structure, suitable for turnover use of a plurality of construction running water sections, good in turnover efficiency and high in stability.

Description

Building pit assembly type mould box structure

Technical Field

The utility model relates to the technical field of building construction, in particular to a building pit assembly type mould box structure.

Background

In the construction of constructional engineering, the materials mainly used for the pit templates comprise metal templates (steel templates, aluminum templates), wood templates (bamboo plywood, composite templates), plastic templates and the like, and the corresponding common construction methods comprise a shaping template construction method, a bulk loose-fitting method, a whole loose-fitting method and the like, and the main problems of the construction process of the pit cast-in-situ structure construction templates at present are as follows:

1. the shaping template technology of processing metal, wood or plastic and other materials in factories has matching and proper pertinence with a pit, high construction efficiency and guaranteed quality, but has no general practicability except application under special requirement conditions due to high cost;

2. the method of bulk disassembly construction on site by adopting templates such as a combined steel die, an aluminum die, a wood die and the like and combining with pit size design and manufacture is unfavorable for repeated construction and use of a plurality of running water sections under the working condition; and the safety risk is high due to the long-time operation on site, the work efficiency is low, and the labor cost is high.

3. The wood template is adopted for construction, so that the method has the characteristics of light weight, easiness in processing, low cost and the like, and the application degree is more than that of a metal template at present; the construction is mostly carried out by adopting a wood form integral assembling and disassembling method, namely, the wood form box is synchronously manufactured in a processing field while the steel bars are bound on site, then the wood form box is hoisted by adopting equipment such as a tower crane and the like, and the template is removed piece by piece after the concrete pouring reaches a certain strength. Compared with bulk disassembly, the method has the advantages of integral lifting and convenient installation, but the follow-up bulk disassembly treatment is unfavorable for smoothly and rapidly organizing the construction connection of running water, and the integral turnover rate is not high, so that the work efficiency is reduced.

Disclosure of Invention

The utility model aims to provide a building pit assembly type die box structure, which is simple and novel in structure, suitable for turnover use of a plurality of construction running water sections, safe and reliable in disassembly and assembly method, good in turnover efficiency and high in stability.

In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

the building pit assembly type die box structure comprises a bottom die supporting mechanism, a wall die supporting mechanism and a weight supporting mechanism, wherein the bottom die supporting mechanism comprises a bottom die assembly and a guiding and positioning assembly on the bottom die assembly, and an exhaust hole is formed in the bottom die assembly;

the wall die supporting mechanism comprises wall corner dies, wall middle dies, a template locking vertical plate assembly and a reinforced fixed top plate, wherein the four wall middle dies are arranged in a quadrilateral manner, a group of wall corner dies are arranged between adjacent wall middle dies, and the upper ends of the wall corner dies are connected with the wall middle dies through the reinforced fixed top plate;

the inner end of the wall angle mould is provided with a first locking supporting plate, the inner end of the end part of the wall middle mould is provided with a second locking supporting plate, and the first locking supporting plate is connected with the second locking supporting plate through a template locking vertical plate assembly;

the weight supporting mechanism comprises an inner supporting mechanism arranged in the wall middle mold and a weight component arranged at the upper end of the inner supporting mechanism, the inner supporting mechanism comprises an inner supporting frame, a back rib frame and inner supporting bracket clamping pieces, the inner supporting bracket clamping pieces are connected to a plurality of outer end corners of the inner supporting frame, the back rib frame is positioned at the outer side of the inner supporting frame and is fixed at the inner end of the wall middle mold through the inner supporting bracket clamping pieces, and the weight component is connected to the upper ends of the inner supporting mechanism and the wall middle mold supporting mechanism.

Preferably, the bottom die assembly comprises a bottom plate and a plurality of bottom rib rods connected to the inner end of the bottom plate, the bottom plate is rectangular plate-shaped, and the bottom rib rods are mutually parallel and fixed on the bottom plate through rivets;

the guide positioning assembly comprises a middle positioning block and four end positioning blocks, the four end positioning blocks are respectively connected to four end corners of the bottom plate, and the end positioning blocks are connected with the bottom rib plate;

the middle positioning blocks are multiple and uniformly distributed at the upper end of the middle of the bottom plate.

Preferably, the wall angle mould comprises a first L-shaped support plate and a plurality of support rib plates connected to the outer turning part of the first L-shaped support plate; the first locking support plates are arranged in a plurality of vertically spaced mode.

Preferably, the plurality of second locking supporting plates are vertically arranged at intervals;

the template locking vertical plate assembly comprises a plurality of locking monomers, wherein each locking monomer comprises a locking sleeve plate and a locking bolt, and locking through holes are formed in each of the locking sleeve plate, the first locking supporting plate and the second locking supporting plate;

the locking sleeve plate is clamped at the outer ends of the first locking supporting plate and the second locking supporting plate and then fixed through the locking bolt, and at the moment, the locking bolt penetrates through the locking through hole and then is connected with the wall angle die.

Preferably, the wall middle mold comprises a plurality of wall middle vertical rods, wall middle cross rods connected to the upper end and the lower end of the wall middle vertical rods, first vertical plate bodies arranged at the front end and the rear end of the wall middle vertical rods, and second vertical plate bodies arranged at the left end and the right end of the wall middle cross rods, wherein the second vertical plate bodies are connected with the first L-shaped support plates through wall middle fixing screws, and at the moment, the wall middle fixing screws penetrate through the first L-shaped support plates and then are connected with the wall middle vertical rods.

Preferably, the reinforced fixing top plate is triangular plate-shaped, and the reinforced fixing top plate is connected to the upper ends of the first L-shaped support plate and the cross rod in the wall through rivets.

Preferably, the inner support comprises three groups of vertical pipes and three groups of plane support, each group of vertical pipes comprises three inner support vertical pipes which are transversely arranged in parallel, and the three groups of vertical pipes are longitudinally arranged in parallel; the three groups of plane supporting frames are vertically arranged in parallel, and the plane supporting frames are connected with the internal supporting vertical pipes through first pipe fittings;

the plane strut comprises a group of transverse tube groups and a group of inner longitudinal tube groups, wherein the transverse tube groups comprise three inner supporting transverse tubes which are arranged in parallel, the inner longitudinal tube groups comprise three inner supporting longitudinal tubes which are arranged in parallel, the inner supporting transverse tubes are positioned at the upper ends of the inner supporting longitudinal tubes, and the inner supporting transverse tubes are connected with the inner supporting longitudinal tubes through second pipe fittings.

Preferably, the inner support vertical pipe, the inner support longitudinal pipe and the inner support transverse pipe are connected with inner support clamping pieces; the inner support buckle piece comprises a U-shaped clamping plate and support pipes connected to the U-shaped clamping plate, a plurality of first pipe body connecting holes are formed in the end parts of the inner support vertical pipes, the inner support longitudinal pipes and the inner support transverse pipes, second pipe body connecting holes are formed in the support pipes, and the support pipes are connected with the inner support frame through the first pipe body connecting holes and the pipe body connecting bolts in the second pipe body connecting holes.

Preferably, the weight assembly comprises a weight supporting plate and a weight supporting shell connected to the weight supporting plate, a partition plate is arranged in the weight supporting shell, a plurality of weight placing cavities are formed after the partition plate is connected with the weight supporting shell, and weight pressing blocks or weight pressing sand bags are arranged in the weight placing cavities;

the weight supporting plate comprises a weight plate body and weight supporting battens connected to the lower end of the weight plate body, a weight cover is arranged at the upper end of the weight supporting shell, and weight lifting hooks are arranged at the side ends of the weight supporting shell and the weight plate body.

The beneficial effects of the utility model are as follows:

according to the pit template structure, the conventional pit bottom die and pit wall are processed into an integrated die box construction, and the construction of the pit wall and pit bottom two large templates in combination with the die box is optimized; dividing the well pit wall template into an angle template and a middle template which are convenient to assemble and disassemble; the middle part of the mould box is provided with a supporting frame, namely a building pit assembly type mould box structure system is constructed by the supporting frame, namely a pit bottom mould, a pit wall mould and a weight bearing supporting mechanism.

The method adopts easily available common materials, has simple process, can be implemented in a processing field without being processed by a professional manufacturer, and greatly reduces the cost. The die box structure is reasonably and effectively combined, most of the operations can be implemented in a processing field, the lifting tools such as a tower crane and the like are fully utilized, compared with a bulk disassembly method, the labor consumption is reduced, and the labor consumption is saved by about 1/2; the safety risk can be greatly reduced, the operation process is safer, and the construction time is saved by about 30% -50%. In consideration of the defects of convenient follow-up disassembly, recombination and quick assembly, the optimized whole assembly and disassembly construction method is insufficient, the pit bottom and the wall mould are not machined into a whole, so that the running water turnover of the construction section is ensured to be more flexible, the working procedure connection is smoother, the problem that the whole assembly and disassembly construction efficiency is low after pouring is avoided, and the construction time is saved by about 20% -30%. The pit wall mould is divided into an angle mould and a middle mould in advance to form a large-template assembly process, the template is more convenient to assemble and disassemble, the pit wall mould is favorable for secondary running water turnover assembly, and the damage rate of the template is reduced to a greater extent without adopting scattered disassembly construction. The support body in the die box is spliced and formed in advance in a processing field, and can be hoisted and circulated for many times by using hoisting equipment, so that the efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the structural positions of a pit bottom die system and a ballast weight support system.

Fig. 2 is a schematic view of the structure of the inner bracket.

FIG. 3 is a schematic top view of the bottom mold assembly.

FIG. 4 is a schematic side view of a pit wall die system.

Fig. 5 is a schematic view of the wall corner mold and wall middle mold connection structure.

Fig. 6 is a schematic top view of a weight assembly.

FIG. 7 is a schematic cross-sectional view of the structure of the middle positioning block.

FIG. 8 is a schematic sectional view of the end positioning block structure.

Detailed Description

The utility model is described in detail below with reference to the attached drawing figures:

example 1 the present utility model will be described in detail with reference to fig. 1 to 8:

the utility model provides a building pit assembled die box structure, includes die block supporting mechanism 1, wall mould supporting mechanism 2 and weight supporting mechanism 3, and die block supporting mechanism includes die block assembly 11 and the direction locating component 12 on the die block assembly 11, is provided with exhaust hole 13 in the die block assembly.

The wall die supporting mechanism 2 comprises wall angle dies 21, wall middle dies 22, a template locking vertical plate assembly 23 and a reinforced fixed top plate 24, the four wall middle dies 22 are arranged in a quadrilateral mode, a group of wall angle dies 21 are arranged between adjacent wall middle dies 22, and the upper ends of the wall angle dies 21 are connected with the wall middle dies 22 through the reinforced fixed top plate 24.

The inner end of the wall angle mould 21 is provided with a first locking support plate 26, the inner end of the end part of the wall middle mould 22 is provided with a second locking support plate 27, and the first locking support plate 27 is connected with the second locking support plate 27 through a template locking vertical plate assembly 23.

The weight supporting mechanism 3 comprises an inner supporting mechanism 31 arranged in the wall middle mold 22 and a weight component 32 arranged at the upper end of the inner supporting mechanism 31, the inner supporting mechanism 31 comprises an inner supporting frame 4, a back rib frame 41 and an inner supporting clamp 42, the inner supporting clamp 42 is connected to a plurality of outer end corners of the inner supporting frame 4, the back rib frame 41 is positioned on the outer side of the inner supporting frame 4 and is fixed at the inner end of the wall middle mold 22 through the inner supporting clamp 42, and the weight component 32 is connected to the upper ends of the inner supporting mechanism 31 and the wall middle mold supporting mechanism 2.

The bottom die assembly 11 comprises a bottom plate 111 and a plurality of bottom rib rods 112 connected to the inner end of the bottom plate 111, wherein the bottom plate 111 is rectangular plate-shaped, and the plurality of bottom rib rods 112 are arranged on the bottom plate 111 in parallel through rivets.

The guiding and positioning assembly 12 comprises a middle positioning block 121 and end positioning blocks 122, wherein four end positioning blocks 122 are arranged, the four end positioning blocks 122 are respectively connected to four end corners of the bottom plate 111, and the end positioning blocks 122 are connected with the bottom rib plate 112; the middle positioning blocks 121 are multiple, and the multiple middle positioning blocks 121 are uniformly distributed on the upper middle end of the bottom plate 111. The end positioning block 122 is used for positioning when the middle wall film and the wall angle mold are installed, the middle positioning block 121 is used for positioning when the inner support mechanism 31 is arranged downwards, the structural position of the guiding positioning component in the drawing is a schematic position, and the accurate adjustment is performed according to the installation positions of the specific structures of the middle wall film, the wall angle mold and the inner support mechanism 31.

The wall angle mold 21 includes a first L-shaped support plate 211 and a plurality of bracket rib plates 212 connected to the outer turn of the first L-shaped support plate 211; the number of the first locking stay plates 26 is plural, and the first locking stay plates 26 are vertically arranged at intervals. The second locking support plates 27 are a plurality of, and the second locking support plates 27 are vertically arranged at intervals.

The formwork locking riser assembly 23 includes a plurality of locking monomers including locking sleeve plates 231 and locking bolts 232, and locking through holes are formed in the locking sleeve plates 231, the first locking stay plates 26 and the second locking stay plates 27. When the locking sleeve plate 231 is mounted, the locking sleeve plate 231 is clamped at the outer ends of the first locking supporting plate 26 and the second locking supporting plate 27 and then fixed through the locking bolt 232, and at the moment, the locking bolt 232 penetrates through the locking through hole.

The wall middle mold 22 comprises a plurality of wall vertical rods 221, wall horizontal rods 222 connected to the upper end and the lower end of the wall vertical rods 221, first vertical plate bodies arranged at the front end and the rear end of the wall vertical rods 221, and second vertical plate bodies arranged at the left end and the right end of the wall horizontal rods 222, wherein the second vertical plate bodies are connected with the first L-shaped support plates 211 through wall fixing screws, and at the moment, the wall fixing screws penetrate through the first L-shaped support plates 211 and are connected with the wall vertical rods. The reinforced fixing top plate 24 is in a triangular plate shape, and the reinforced fixing top plate 24 is connected to the upper ends of the first L-shaped support plate 211 and the cross bar 222 in the wall by rivets.

The inner support frame 4 comprises three groups of vertical tube groups and three groups of plane support frames, each group of vertical tube groups comprises three inner support vertical tubes 43 which are transversely arranged in parallel, and the three groups of vertical tube groups are longitudinally arranged in parallel; the three sets of planar brackets are arranged vertically in parallel with each other, and the planar brackets are connected to the internal support standpipe 43 by a first pipe connection.

The plane strut includes a set of horizontal nest of tubes and a set of interior vertical nest of tubes, and the horizontal nest of tubes includes three interior bracing horizontal tubes 44 that are parallel to each other, and interior vertical nest of tubes includes three interior bracing vertical tubes 45 that are parallel to each other, and interior bracing horizontal tube 44 is located the upper end of interior bracing vertical tube 45, and interior bracing horizontal tube 44 passes through the second pipe connection piece and is connected with interior bracing vertical tube 45.

The inner support vertical pipe 43, the inner support longitudinal pipe 44 and the inner support transverse pipe 45 are connected with an inner support clamping piece 42; the inner bracing clip 42 includes a U-shaped clip plate 421 and a bracing tube 422 connected to the U-shaped clip plate 421. A plurality of first pipe body connecting holes are formed in the end parts of the inner support vertical pipes 43, the inner support longitudinal pipes 44 and the inner support transverse pipes 45, a second pipe body connecting hole is formed in the support pipe 422, and the support pipe 422 is connected with the inner support frame 4 through pipe body connecting bolts in the first pipe body connecting holes and the second pipe body connecting holes.

The weight assembly 32 comprises a weight supporting plate 321 and a weight supporting shell 322 connected to the weight supporting plate 321, a partition plate 323 is arranged in the weight supporting shell 322, a plurality of weight placing cavities are formed after the partition plate 323 is connected with the weight supporting shell 322, and weight blocks or weight sand bags are arranged in the weight placing cavities.

The weight supporting plate 321 comprises a weight plate body and a weight supporting batten connected to the lower end of the weight plate body, the upper end of the weight supporting shell 322 is provided with a weight cover 324, and the side end of the weight supporting shell 322 and the side end of the weight plate body are provided with weight lifting hooks.

Example 2, based on the disclosure of the example, this example is further disclosed as follows:

the operation process of the building pit assembly type mould box structure comprises the following steps:

in a processing field, according to a processing sample diagram, determining the number of wood templates, battens, steel pipes and fasteners used in a bottom die supporting mechanism, a wall die supporting mechanism and a weight supporting mechanism, determining the heights of a wall angle die and a wall middle die in the wall die supporting mechanism, then processing a bottom die assembly, the wall angle die, the wall middle die, a template locking vertical plate assembly and a reinforced fixed top plate, and assembling an inner supporting mechanism and the weight assembly.

In a processing field, the bottom die assembly and the wall die are required to be subjected to trial assembly in advance, two end positioning blocks with the sizes of 40mm multiplied by 80mm multiplied by 200mm are firstly installed on corners on diagonal lines in a bottom plate during the trial assembly, the end positioning blocks are horizontally placed on one side of a bottom rib rod, two end positioning block rabbets are formed for butt joint, the hoisting of the wall die can be ensured to be aligned in place quickly and accurately, and the other two positioning battens are aligned after the wall die is in place.

Before the die box structure of the pit is installed, the construction of the supporting rib structure under the bottom plate is completed in the pit reinforcing steel bar construction process; according to the pit die box and the size of the anti-floating compression load in the pit die box, supporting points are required to be reasonably arranged at the lower parts of the pit wall die and the pit bottom upright rod and used for supporting the bottom die assembly.

Before construction, workers need to clearly determine the installation and placement sequence of a mould box system of a pit, and the installation and placement sequence is as follows: firstly, measuring and placing a positioning line, then hoisting a bottom die supporting mechanism, then installing a wall die supporting mechanism, and then hoisting a weight supporting mechanism.

Hoisting the bottom die assembly to a supporting rib at the bottom of the pit, and determining the firmness of the supporting crane; checking whether the guiding and positioning assembly is shifted or not, and after confirming no shift or well adjusting the position, adding rivets for secondary fixing.

When the wall die supporting mechanism is hoisted, a template hoisting hole reserved on a wall middle die in the wall die supporting mechanism is adopted, and a steel wire rope is penetrated in the template hoisting hole for hoisting; before the steel wire rope is hoisted, a short steel pipe with the length of 50mm is firstly placed in the template hoisting hole, a rubber pad is additionally arranged on the short steel pipe, and hoisting Kong Sunhuai is prevented under the condition of forming a support; after the well completion pit wall mould is installed, the short steel pipe is taken out, and the hoisting hole is temporarily plugged to prevent slurry leakage.

After the pit wall die is placed, the wall die and the wall corner die are subjected to position correction, the roots of the peripheral wall die ribs of the wall die are tightly propped against the wood blocks to be placed and positioned, and the wood blocks are fixed on the bottom die by using the 200mm distance between the extension screws, so that the movement phenomenon in the pouring process is prevented.

When the weight supporting mechanism is constructed, the inner supporting frame is firstly placed, the surrounding back ridge frames are repaired, then the clamping position of the inner supporting bracket clamping piece is adjusted and locked by using the pipe body connecting bolt, and the inner supporting frame and the supporting piece are used for preventing floating and lateral pressure generated by pit wall concrete pouring.

And installing the inner supporting frame and the wall die supporting mechanism on the weight assembly, wherein the supporting body of the weight assembly is a weight supporting shell, and a certain amount of weight is placed in the weight supporting shell after the weight supporting shell is lifted, so that the pit die box is prevented from floating upwards.

The formwork boxes are removed in order according to the construction principle of first supporting and then removing the second supporting, and the concrete strength is generally 1.2 MPa.

The pit die box is removed, the weight component is firstly lifted and removed, then the inner supporting buckle piece is loosened and removed, and then the inner supporting frame body is integrally lifted and lifted out, so that the lifting and transferring to the next pit water flow section are facilitated.

When the templates of the pit walls are removed, the guiding and positioning components at the pit bottom are removed firstly, then the wall middle molds of the peripheral walls of the pit are removed, the four corner molds are then removed, and the pit bottom templates are removed piece by piece and lifted out of the pit well in a scattered manner; cleaning a pit die box, brushing a release agent, lifting the pit die box to the outside of the field, transporting the pit die box to a template storage area, and marking a template serial number to prevent errors in the use sequence.

And (3) repeating the third step to the eleventh step when constructing a flowing water section or constructing a next construction site.

Embodiment 3, referring to fig. 1 to 8, the specific flow for project construction is as follows:

when constructing an elevator pit in a residential building project, concrete construction is performed through an assembled pit template.

The assembled pit template comprises a bottom die supporting mechanism, a wall die supporting mechanism and a weight supporting mechanism.

The bottom die supporting mechanism of the first part comprises a bottom die structure, wherein the bottom die structure is provided with an exhaust hole and a wood square for supporting, the thickness of the bottom die structure is 5mm-10 mm, the size of the wood square is 40mm multiplied by 80mm, and the like; the wall die supporting mechanism of the second part comprises a wall angle die, a wall middle die, a reinforcing triangular block or triangular plate and a supporting connecting piece, and a hoisting hole in the wall die supporting mechanism is a hole phi 50. The construction process comprises the following steps:

in the process field, the pit bottom die, pit wall die and pit weight supporting frame die box structure are manufactured by using materials such as wood templates, battens, steel pipes, fasteners and the like.

Before the pit mould box is installed, the construction of the lower supporting rib of the pit mould bottom plate should be completed in the pit steel bar construction process. According to the size of the pit mould box and the anti-floating compression load in the pit mould box, the lower parts of the pit wall mould and the pit bottom upright rod are required to be reasonably provided with supporting points.

The installation and placement sequence of the mould box system of the pit is as follows: firstly, measuring and placing a positioning line, then hoisting a bottom die supporting mechanism, then installing a wall die supporting mechanism, and then hoisting a pit internal pressure heavy supporting frame.

The wall mould supporting mechanism is hoisted by adopting hoisting holes reserved on templates around the wall mould supporting mechanism and four-point steel wire rope threading. Firstly, placing a steel pipe with the length of 50mm and the length of phi 48 in the hole so as to prevent the hanging hole from being damaged, and meanwhile, taking care of adding a rubber pad when a steel wire rope is threaded. After the well completion pit wall mould is installed, the short steel pipe is taken out, and the hoisting hole is temporarily plugged to prevent slurry leakage. The pit wall is molded on the bottom die, so that the subsequent large die plate detachment is facilitated. After the pit wall mould is placed, the positions are calibrated and adjusted, the wood blocks positioned and propped against the root parts of the peripheral wall mould ribs are fixed on the bottom mould by using 200mm of the distance between the lengthened screws, so that the movement phenomenon in the pouring process is prevented. After the steel pipe ballast supporting frame body is put into the pit mould box, the pit wall periphery supporting frame and the steel pipe main back edge are required to be supplemented so as to effectively prevent floating and lateral pressure generated by pit wall concrete pouring. Finally, a proper amount of weight is arranged on the pit mould box, and wood, steel pipes or the like can be used (determined by checking calculation) so as to prevent the pit mould box from floating upwards.

And (3) according to the construction principle of first supporting and then dismantling, and the first dismantling construction principle of the second supporting, orderly organizing the die boxes to be dismantled. The dismantling time is based on the condition that the concrete of the poured ditch and pit is not damaged and the phenomenon of corner missing and corner falling occurs. The concrete strength is generally up to 1.2MPa, and the problem of difficult disassembly caused by untimely disassembly for a long time is also avoided. And (3) dismantling the pit die box, firstly hoisting and removing the weight, then loosening and dismantling the support, and then hoisting the steel pipe pair support body. The support frame body is suitable for being integrally lifted out so as to facilitate lifting and transferring to the next pit running water section. Removing the pit wall template, removing the pit bottom positioning wood blocks, removing the large template in the middle of the peripheral wall of the pit, and then removing the four corner molds. In view of the fact that the pit wall die box is dismantled into a plurality of large templates, the pit wall die box is beneficial to turnover, multiple times of water flowing and turnover are realized, the utilization rate is improved, and protection of all components is needed to be made in the dismantling process. And the pit bottom templates are disassembled and lifted out of the pit hole piece by piece in a scattered way. Cleaning the pit mould box, brushing a release agent, and lifting to the next flowing water section for standby.

During construction, the triangular blocks on the pit wall die box are connected with the corner dies, the pit corner dies are connected with the templates in the middle and the like by adopting self-tapping screws with the length of 60mm, so that the self-tapping screws are easy to detach by adopting electric screwdrivers, can be repeatedly utilized, and are positively practiced for saving materials and reducing consumption. The wall mould of the pit is connected with the bottom mould in a side-pressing mode, so that the follow-up template can be conveniently removed. The bottom die is combined with a well bottom die to be constructed by adopting a method of installing and split-splitting, so that the running water turnover is convenient, and the bottom die system is more suitable for preparing one set in quantity. The vent hole is internally provided with a disassembly-free steel wire mesh, each side is wider than the hole edge by 200mm, and the hole is internally provided with a hollow template box with the corresponding size and the height of 200mm for removing bubbles, and meanwhile, concrete is prevented from overflowing onto the bottom die in the pouring process, so that the follow-up bottom die is not beneficial to disassembling.

It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that the utility model is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the utility model.

Claims (9)

1. The building pit assembly type die box structure is characterized by comprising a bottom die supporting mechanism, a wall die supporting mechanism and a weight supporting mechanism, wherein the bottom die supporting mechanism comprises a bottom die assembly and a guiding and positioning assembly on the bottom die assembly, and an exhaust hole is formed in the bottom die assembly;

the wall die supporting mechanism comprises wall corner dies, wall middle dies, a template locking vertical plate assembly and a reinforced fixed top plate, wherein the four wall middle dies are arranged in a quadrilateral manner, a group of wall corner dies are arranged between adjacent wall middle dies, and the upper ends of the wall corner dies are connected with the wall middle dies through the reinforced fixed top plate;

the inner end of the wall angle mould is provided with a first locking supporting plate, the inner end of the end part of the wall middle mould is provided with a second locking supporting plate, and the first locking supporting plate is connected with the second locking supporting plate through a template locking vertical plate assembly;

the weight supporting mechanism comprises an inner supporting mechanism arranged in the wall middle mold and a weight component arranged at the upper end of the inner supporting mechanism, the inner supporting mechanism comprises an inner supporting frame, a back rib frame and inner supporting bracket clamping pieces, the inner supporting bracket clamping pieces are connected to a plurality of outer end corners of the inner supporting frame, the back rib frame is positioned at the outer side of the inner supporting frame and is fixed at the inner end of the wall middle mold through the inner supporting bracket clamping pieces, and the weight component is connected to the upper ends of the inner supporting mechanism and the wall middle mold supporting mechanism.

2. The pit assembly type mold box structure for the building of claim 1, wherein the bottom mold assembly comprises a bottom plate and a plurality of bottom rib rods connected to the inner end of the bottom plate, the bottom plate is rectangular plate-shaped, and the plurality of bottom rib rods are mutually parallel and fixed on the bottom plate through rivets;

the guide positioning assembly comprises a middle positioning block and four end positioning blocks, the four end positioning blocks are respectively connected to four end corners of the bottom plate, and the end positioning blocks are connected with the bottom rib plate;

the middle positioning blocks are multiple and uniformly distributed at the upper end of the middle of the bottom plate.

3. The fabricated molding box structure of the building pit according to claim 1, wherein the wall angle mold comprises a first L-shaped support plate and a plurality of support rib plates connected to the outer turning part of the first L-shaped support plate; the first locking support plates are arranged in a plurality of vertically spaced mode.

4. A pit assembly type mould box structure according to claim 3, wherein a plurality of second locking supporting plates are vertically arranged at intervals;

the template locking vertical plate assembly comprises a plurality of locking monomers, wherein each locking monomer comprises a locking sleeve plate and a locking bolt, and locking through holes are formed in each of the locking sleeve plate, the first locking supporting plate and the second locking supporting plate;

the locking sleeve plate is clamped at the outer ends of the first locking supporting plate and the second locking supporting plate and then fixed through the locking bolt, and at the moment, the locking bolt penetrates through the locking through hole and then is connected with the wall angle die.

5. The building pit assembly type mould box structure according to claim 3, wherein the wall mould comprises a plurality of wall vertical rods, wall horizontal rods connected to the upper end and the lower end of the wall vertical rods, first vertical plate bodies arranged at the front end and the rear end of the wall vertical rods, and second vertical plate bodies arranged at the left end and the right end of the wall horizontal rods, the second vertical plate bodies are connected with the first L-shaped support plates through wall fixing screws, and the wall fixing screws penetrate through the first L-shaped support plates and then are connected with the wall vertical rods.

6. The building pit assembly type mold box structure according to claim 5, wherein the reinforced fixing top plate is triangular plate-shaped, and the reinforced fixing top plate is connected to the upper ends of the first L-shaped support plate and the cross bars in the walls through rivets.

7. The assembled mould box structure of the building pit according to claim 5, wherein the inner support frame comprises three groups of vertical tube groups and three groups of plane support frames, each group of vertical tube groups comprises three inner support vertical tubes which are transversely arranged in parallel, and the three groups of vertical tube groups are longitudinally arranged in parallel; the three groups of plane supporting frames are vertically arranged in parallel, and the plane supporting frames are connected with the internal supporting vertical pipes through first pipe fittings;

the plane strut comprises a group of transverse tube groups and a group of inner longitudinal tube groups, wherein the transverse tube groups comprise three inner supporting transverse tubes which are arranged in parallel, the inner longitudinal tube groups comprise three inner supporting longitudinal tubes which are arranged in parallel, the inner supporting transverse tubes are positioned at the upper ends of the inner supporting longitudinal tubes, and the inner supporting transverse tubes are connected with the inner supporting longitudinal tubes through second pipe fittings.

8. The assembled mould box structure of the building pit, as claimed in claim 7, wherein the internal bracing vertical pipes, the internal bracing longitudinal pipes and the internal bracing transverse pipes are all connected with internal bracing clamping pieces; the inner support buckle piece comprises a U-shaped clamping plate and support pipes connected to the U-shaped clamping plate, a plurality of first pipe body connecting holes are formed in the end parts of the inner support vertical pipes, the inner support longitudinal pipes and the inner support transverse pipes, second pipe body connecting holes are formed in the support pipes, and the support pipes are connected with the inner support frame through the first pipe body connecting holes and the pipe body connecting bolts in the second pipe body connecting holes.

9. The building pit assembly type mould box structure according to claim 1, wherein the weight assembly comprises a weight supporting plate and a weight supporting shell connected to the weight supporting plate, a partition plate is arranged in the weight supporting shell, a plurality of weight placing cavities are formed after the partition plate is connected with the weight supporting shell, and weight pressing blocks or weight pressing sand bags are arranged in the weight placing cavities;

the weight supporting plate comprises a weight plate body and weight supporting battens connected to the lower end of the weight plate body, a weight cover is arranged at the upper end of the weight supporting shell, and weight lifting hooks are arranged at the side ends of the weight supporting shell and the weight plate body.