CN111197403B - Cone shell type roof formwork system and formwork system installation method - Google Patents

Abstract

The invention relates to a conical shell type roof formwork system and a formwork system installation method. Comprises a plurality of annular parts and a plurality of inclined support rods; a plurality of vertical support rods are detachably arranged below each annular piece, and the vertical support rods of the same annular piece are arranged at intervals along the circumferential direction of the corresponding annular piece; the bottom ends of the vertical supporting rods of different annular parts are all positioned in the same plane; a reinforcing ring is arranged between any two adjacent annular parts; each annular piece and each inclined supporting rod are arranged in a split mode, and each annular piece comprises a plurality of bending sections; each inclined support rod comprises an inclined short section arranged between any two adjacent annular sections, each inclined short section comprises a first connecting part and a second connecting part, and the first connecting parts and the second connecting parts are assembled with corresponding annular parts in a rotating mode. The formwork system is convenient to install and detach, improves the construction efficiency, can be recycled and reused, and reduces the construction cost.

Description

Cone shell type roof formwork system and formwork system installation method

Technical Field

The invention relates to the technical field of silo construction, in particular to a conical shell type roof formwork system and a formwork system installation method.

Background

A silo is a warehouse dedicated to storing bulk materials, and existing silos generally include a cylindrical wall and a conical shell roof at the top. The cone shell type roof of the existing silo is usually constructed in a wood form formwork supporting mode, and as different silos need to be matched with a wood form formwork supporting system with corresponding sizes, the wood form formwork supporting system needs to be shaped and processed in a factory, and the wood form formwork supporting system has the problems of poor reusability, high construction cost and the like. In addition, the existing wood form supporting system has the defects of large assembly workload and long construction period.

Disclosure of Invention

The invention aims to provide a conical shell type roof formwork system, which is used for solving the technical problem of poor reusability of a wood formwork system for building a conical shell type roof in the prior art. The invention also provides a mounting method of the conical shell type roof formwork system.

In order to achieve the above purpose, the invention provides a conical shell type roof formwork system, which adopts the following technical scheme:

The conical shell type roof formwork system comprises a plurality of annular pieces which are different in size and are integrally arranged in a frustum shape, and also comprises a plurality of inclined support rods which are sequentially connected in series, wherein the inclined support rods are arranged at intervals along the circumferential direction of the annular pieces; a plurality of vertical support rods are detachably arranged below each annular piece, and the vertical support rods of the same annular piece are arranged at intervals along the circumferential direction of the corresponding annular piece; the bottom ends of the vertical supporting rods of different annular parts are all positioned in the same plane; a reinforcing ring is arranged between any two adjacent annular parts, and is used for connecting and fixing each inclined support rod in series;

Each annular piece and each inclined support rod are arranged in a split mode, and each annular piece comprises a plurality of bending sections which are spliced end to end in sequence to form corresponding annular pieces; each inclined support rod comprises an inclined short section arranged between any two adjacent annular sections, each inclined short section comprises a first connecting part and a second connecting part which are detachably connected, and the first connecting parts and the second connecting parts are assembled with corresponding annular parts in a rotating mode.

Further, the vertical supporting rods are divided into a plurality of groups, each vertical supporting rod of the same group is supported at the bottom of different annular parts and is located in the same plane, and a plurality of drawknot fixing parts are arranged between each vertical supporting rod of the same group.

Further, one of the first connecting part and the second connecting part is provided with a clamping pin, the other is provided with a clamping groove for inserting the clamping pin, the moving direction of the clamping pin and the extending direction of the inclined nipple are arranged at an included angle, and the first connecting part and the second connecting part are detachably connected through the clamping assembly of the clamping pin and the clamping groove.

Further, each inclined supporting rod is provided with a clamping groove, and the reinforcing ring is clamped and assembled in the corresponding clamping groove.

Further, the vertical support rods are arranged in a split mode, each vertical support rod comprises a plurality of support sub-rods, and any two adjacent support sub-rods are fixedly connected through threads.

Further, a rotating handle is provided on the outer peripheral side of the support sub-rod.

Further, the support structure further comprises reinforcing legs arranged at the outermost annular parts and used for bearing component force of each inclined support rod obliquely downwards.

Further, the ends of the first connecting part and the second connecting part are respectively provided with a rotating sleeve used for being sleeved on a corresponding annular piece, and the annular piece is provided with an annular groove used for limiting the rotating sleeve.

Further, any two adjacent bending sections are connected and fixed through a threaded connecting piece.

The invention relates to a formwork system installation method which adopts the following technical scheme:

the formwork system installation method comprises the following steps:

s1: splicing the corresponding bending sections end to assemble each annular piece;

s2: hoisting each annular piece to a position with a set height, and supporting and fixing vertical supporting rods with corresponding lengths at the bottoms of the annular pieces;

s3: connecting and fixing each first connecting part and each corresponding second connecting part on any two adjacent annular parts to form an inclined nipple;

s4: each drawknot fixing piece is fixedly drawknot between each vertical supporting rod of the same group;

S5: clamping and fixing each reinforcing ring with a corresponding clamping groove on each inclined supporting rod;

s6: and paving a plate on the conical curved surface formed by each annular piece and each reinforcing ring.

Compared with the prior art, the conical shell type roof formwork system and the formwork system installation method have the beneficial effects that: by adopting the conical shell type roof formwork system, when the conical shell type roof is required to be built, the annular piece, the inclined support rod and the vertical support rod are spliced, and the annular piece, the inclined support rod and the vertical support rod are all detachable, so that the formwork system can be detached after the building is finished, and recycling can be realized. In addition, the annular piece, the inclined supporting rod and the vertical supporting rod are all of split structures, and the bending section number of each annular piece can be adjusted, so that the diameter of the annular piece is adjusted, the size of the annular piece can be suitable for building different cone-shell roofs, the connection length of the inclined supporting rod and the supporting height of the vertical supporting rod are also adjustable, and the universality of a formwork supporting system is further enhanced. The formwork system is convenient to install and detach, improves the construction efficiency, can be recycled and reused, and reduces the construction cost.

Drawings

FIG. 1 is a schematic top view of the overall structure of a cone-shell roof formwork system in accordance with an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of a part of the structure of FIG. 1;

FIG. 3 is a schematic side cross-sectional view of a cone-shell roof formwork system in accordance with an embodiment of the present invention;

FIG. 4 is an enlarged schematic view of a portion of FIG. 3;

FIG. 5 is a schematic view of the vertical support bar of FIG. 4;

FIG. 6 is a schematic cross-sectional view at A-A of FIG. 4;

fig. 7 is a schematic diagram showing a connection state of the first connection portion and the second connection portion;

FIG. 8 is an enlarged schematic view of FIG. 3 at A;

Fig. 9 is a schematic diagram of a winch arrangement position in the formwork system installation method according to the embodiment of the present invention.

In the figure, the drum wall is 1-, the annular part is 2-, the support rod is 3-inclined, the reinforcing ring is 4-, the bending section is 5-, the first connecting part is 6-, the second connecting part is 7-, the vertical support rod is 8-, the 9-drawknot fixing piece, the 10-bailey frame, the 11-support bracket, the 12-connecting seat, the 13-support branch rod, the 14-rotating handle, the 15-clamping groove, the 16-clamping groove, the 17-first limiting part, the 18-clamping pin, the 19-elastic part, the 20-second limiting part, the 21-bulge, the 22-containing cavity, the 23-hiding groove, the 24-clamping block, the 25-independent clamping pin, the 26-integrated clamping pin, the 27-reinforcing supporting leg and the 28-winding engine.

Detailed Description

The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.

As shown in fig. 1 to 8, a conical shell type roof formwork system (hereinafter referred to as formwork system) according to a preferred embodiment of the present invention. The formwork system comprises a plurality of annular pieces 2 which are different in size and are integrally arranged in a frustum shape, and also comprises a plurality of inclined support rods 3 which are used for sequentially connecting the annular pieces 2 in series, wherein the inclined support rods 3 are arranged at intervals along the circumferential direction of the annular pieces 2; a plurality of vertical support rods 8 are detachably arranged below each annular piece 2, and each vertical support rod 8 of the same annular piece 2 is arranged at intervals along the circumferential direction of the corresponding annular piece 2; the bottom ends of the vertical supporting rods 8 of different annular parts 2 are all positioned in the same plane; a reinforcing ring 4 is arranged between any two adjacent annular parts 2, and the reinforcing ring 4 is used for connecting and fixing each inclined support rod 3 in series; each annular piece 2 and each inclined support rod 3 are arranged in a split manner, and each annular piece 2 comprises a plurality of bending sections 5 which are spliced end to end in sequence to form corresponding annular pieces 2; each inclined support rod 3 comprises an inclined nipple arranged between any two adjacent annular sections, each inclined nipple comprises a first connecting part 6 and a second connecting part 7 which are detachably connected, and the first connecting parts 6 and the second connecting parts 7 are respectively assembled with the corresponding annular parts 2 in a rotating mode.

Specifically, in this embodiment, each ring-shaped member 2 is in a ring shape, the diameters of each ring-shaped member 2 are different, and each ring-shaped member 2 is located on the outer peripheral curved surface of the same truncated cone structure, that is, the circle centers of each ring-shaped member 2 are all located on the same straight line, and each ring-shaped member 2 is sequentially arranged from outside to inside and from low to high according to the rule of the diameters from large to small. In this embodiment, each annular member 2 is separately arranged, each annular member 2 is formed by sequentially splicing a plurality of bending sections 5 from beginning to end, as shown in fig. 2, any two adjacent bending sections 5 in this embodiment are connected and fixed through threaded connectors, the threaded connectors in this embodiment comprise bolts and nuts, and through holes for the bolts to pass through are formed in two ends of each bending section 5. In order to reduce the dead weight of the ring-shaped member 2, the inside of each bending section 5 is hollow in this embodiment, and each bending section 5 is similar to a bending round tube as a whole.

In order to connect the annular members 2 into a whole, the formwork system in the embodiment further comprises a plurality of inclined support rods 3, wherein the inclined support rods 3 are arranged at equal intervals along the circumferential direction of the annular members 2, and each inclined support rod 3 is used for serially connecting and fixing each annular member 2 in sequence. In this embodiment, each inclined support rod 3 is disposed along the radial direction of each ring 2. In this embodiment, each inclined support rod 3 is also separately provided, each inclined support rod 3 includes a plurality of inclined short sections, and each inclined short section is provided between any adjacent two annular members 2. In this embodiment, each inclined nipple includes a first connecting portion 6 and a second connecting portion 7, where the first connecting portion 6 and the second connecting portion 7 are assembled with one of the two adjacent ring members 2 in a rotating manner, and the first connecting portion 6 and the second connecting portion 7 are detachably connected and fixed.

Specifically, as shown in fig. 6 and 7, in this embodiment, the first connection portion 6 and the second connection portion 7 are each prismatic. In this embodiment, a slot is provided on the first connecting portion 6, the cross section of the slot is rectangular, the slot is provided on one side surface of the first connecting portion 6 and extends along the extending direction of the first connecting portion 6, the slot is matched with the shape of the slot, in this embodiment, the second connecting portion 7 is integrally rectangular, and after the first connecting portion 6 is inserted into the slot, the side surface of the first connecting portion 6 facing the outer side is flush with the notch of the slot. In order to reduce the dead weight of the first connecting portion 6 and the second connecting portion 7, the first connecting portion 6 and the second connecting portion 7 are hollow structures in this embodiment.

In this embodiment, protrusions 21 for forming two side walls of the slot are disposed on the first connecting portion 6, each protrusion 21 is provided with a bayonet lock 18 in a guiding and sliding manner, and two ends of the bayonet lock 18 penetrate through the protrusions 21, in this embodiment, an extending direction of the bayonet lock 18 is perpendicular to an extending direction of the first connecting portion 6. In this embodiment, a locking groove 16 into which an end portion of a locking pin 18 is inserted is provided on the outer surface of the second connecting portion 7. In this embodiment, two protrusions 21 are disposed on the first connecting portion 6, the two protrusions 21 are disposed opposite to each other and are both provided with a bayonet 18, and corresponding two opposite sides of the second connecting portion 7 are both provided with a slot 16 into which the bayonet 18 is inserted.

In this embodiment, the protrusion 21 is provided with the accommodating cavity 22, and since the interior of the first connecting portion 6 is hollow, the accommodating cavity 22 and the interior of the first connecting portion 6 are hollow and penetrate into a whole cavity. In this embodiment, the elastic members 19 are installed in the accommodating cavities 22 of the protrusions 21, the elastic members 19 are specifically springs, and the elastic members 19 are sleeved on the outer peripheral sides of the corresponding bayonet pins 18. Since both ends of the bayonet lock 18 are penetrated out of the protrusions 21, in order to avoid the situation that the bayonet lock 18 is pulled out of the protrusions 21, in this embodiment, a first limiting member 17 is disposed on the outer circumferential side of the bayonet lock 18, the first limiting member 17 is an annular baffle disposed on the outer circumferential side of the bayonet lock 18, and the first limiting member 17 can be blocked with the inner cavity wall of the accommodating cavity 22, thereby avoiding the situation that the bayonet lock 18 is pulled out. In this embodiment, one end of the elastic member 19 is fixedly connected to the cavity wall of the accommodating cavity 22 facing the slot, and the other end of the elastic member 19 is fixedly connected to the first limiting member 17, in this embodiment, the elastic member 19 is specifically a tension spring, and the elastic member 19 can drive the first limiting member 17 to move to one side of the slot under the action of no external force on the bayonet lock 18, so that the bayonet lock 18 can be always inserted into the slot 16 of the second connecting portion 7 in a normal state.

In order to avoid that the end of the bayonet 18 is pulled into the accommodating cavity 22, in this embodiment, a second limiting member 20 is integrally disposed at the end of the bayonet 18 facing the slot, and the second limiting member 20 is a bayonet head disposed at the end of the bayonet 18, which is similar to a bolt head, and can be blocked with the outer surface of the protrusion 21, so that the situation that the end of the bayonet 18 for being inserted into the slot 16 is pulled into the accommodating cavity 22 is avoided.

In order to facilitate the smooth insertion of the second connection portion 7 into the socket, in this embodiment, a hidden groove 23 is further provided on the outer surface of the protrusion 21, where the hidden groove 23 is provided at a position corresponding to the latch head, and when the latch 18 is locked to the outside (away from the socket side), the latch head of the latch 18 is inserted into the hidden groove 23, so that the inner side wall of the socket is kept flush, and the insertion of the first connection portion 6 is facilitated.

In the present embodiment, a plurality of the locking pins 18 are guided and mounted on each of the projections 21, and as shown in fig. 4, the locking pins 18 are arranged at intervals along the extending direction of the first connecting portion 6. The bayonet lock 18 in this embodiment may be divided into an integrated bayonet lock 26 and an independent bayonet lock 25, where the integrated bayonet lock 26 includes a plurality of small bayonet locks, each of which is provided with an elastic member 19, and the end portions of each of the small bayonet locks facing the outside are all connected in series as a whole, specifically, the connection manner may be through connecting rods, that is, the end portions of each of the small bayonet locks are all welded and fixed on the same connecting rod. The individual detents 25 in this embodiment can be seen as a single small detent.

In this embodiment, in order to make the connection structure more compact, the slot is further embedded with a clamping block 24, specifically, when the second connection portion 7 in this embodiment is inserted into the slot, a certain interval exists between the end of the second connection portion 7 and the end seal of the slot, in order to avoid the situation that the second connection portion 7 moves along the interval, a clamping block 24 needs to be embedded at the cover interval, and in this embodiment, the clamping block 24 is specifically a clamping wood balk.

When the inclined support rod 3 of the formwork support system is spliced, the second connecting part 7 is inserted into the slot on the first connecting part 6, at the moment, each bayonet lock 18 on the first connecting part 6 is correspondingly inserted into each bayonet slot 16 of the second connecting part 7, and then the clamping block 24 is embedded into the slot; when the formwork system needs to be recovered, the clamping pins 18 are pulled outwards, the clamping pin heads of the clamping pins 18 are inserted into the hidden grooves 23, and the second connecting part 7 can be pulled out of the slots. It should be noted that, in this embodiment, the first connection portion 6 and the second connection portion 7 are spliced to form inclined short sections, and each inclined short section of the same inclined support rod 3 is distributed along the same straight line, and each inclined short section formed by splicing forms a corresponding inclined support rod 3.

In this embodiment, the ends of the first connecting portion 6 and the second connecting portion 7 are respectively provided with a rotating sleeve sleeved on the corresponding annular piece 2, in order to achieve limiting fixation of the rotating positions of the first connecting portion 6 and the second connecting portion 7, in this embodiment, annular grooves for assembling the rotating sleeves are formed in the annular pieces 2, the arrangement of the annular grooves corresponds to that of small-diameter sections with smaller diameters on the annular pieces 2, the rotating sleeves are clamped on the outer peripheral sides of the small-diameter sections, and the positions of the rotating sleeves are fixed by blocking and limiting the two ends of the small-diameter sections. It should be noted that, in this embodiment, only the first connection portion 6 or the second connection portion 7 is rotatably assembled on the ring members 2 on both the inner and outer sides, and the first connection portion 6 and the second connection portion 7 are rotatably assembled on each ring member 2 (hereinafter referred to as an intermediate ring member) between the innermost ring member 2 and the outermost ring member 2, at this time, the first connection portion 6 and the second connection portion 7 on the intermediate ring member may share a rotation sleeve, and the first connection portion 6 and the second connection portion 7 are disposed along the same straight line; in other embodiments, the first connecting portion 6 and the second connecting portion 7 of the intermediate ring member may be provided with a rotating sleeve respectively, and the two rotating sleeves are respectively sleeved at the small-diameter section in a staggered manner. The outer surface of the swivel sleeve is in this embodiment arranged coplanar with the outer surface of the curved section 5.

In this embodiment, the formwork system further includes a plurality of vertical support rods 8, and a plurality of vertical support rods 8 are supported below each ring member 2, and each vertical support rod 8 of the same ring member 2 is disposed at equal intervals along the circumferential direction of the ring member 2, and bottoms of each vertical support rod 8 of different ring members 2 are all located in the same plane. Since the heights of the respective ring members 2 are different in this example, the lengths of the respective vertical support rods 8 corresponding to the different ring members 2 are also different.

As shown in fig. 4 and 5, in this embodiment, the vertical support rods 8 are also in a split structure, each vertical support rod 8 includes a plurality of support sub-rods 13, and any two adjacent support sub-rods 13 are connected and fixed by adopting a threaded connection manner. Specifically, in this embodiment, a plurality of connection seats 12 are mounted on each ring member 2, and each connection seat 12 is also rotatably mounted on the ring member 2, and the manner of rotation mounting is the same as that of the first connection portion 6 and the second connection portion 7 described above, and will not be described in detail here. In this embodiment, a threaded hole is formed in the connection seat 12, and the top of the vertical support rod 8 is screwed into the threaded hole of the connection seat 12. In this embodiment, threaded columns or threaded holes are arranged at two ends of each supporting sub-rod 13 as required, and connection and fixation of two adjacent supporting sub-rods 13 are realized through threaded assembly of the threaded columns and the threaded holes. In this embodiment, the length of the vertical supporting rod 8 can be primarily adjusted by connecting different supporting sub-rods 13, and since the length of the vertical supporting rod 8 cannot be guaranteed to match with the supporting height of each annular piece 2 after the primary adjustment, in order to further realize the fine adjustment, one section of the supporting sub-rods 13 of the vertical supporting rod 8 in this embodiment is in a circular tube shape (hereinafter referred to as a circular tube supporting sub-rod), threaded through holes are formed in the circular tube supporting sub-rods, and the fine adjustment can be realized by rotating the screwing depths of the threaded columns on the upper side and the lower side of the circular tube supporting sub-rod. In order to facilitate the rotation of the round tube supporting and separating rod, in this embodiment, a rotating handle 14 is disposed at the outer peripheral side of the round tube supporting and separating rod, and the rotating handle 14 is a rod-shaped structure vertically disposed at the outer peripheral side of the round tube supporting and separating rod.

In order to enhance the structural strength of the formwork system, the formwork system in this embodiment is further provided with a plurality of reinforcing rings 4, wherein the reinforcing rings 4 are specifically annular reinforcing steel bars, and the diameters of the reinforcing rings 4 are different from each other and are located in the peripheral curved surface of the truncated cone structure formed by each annular member 2. As shown in fig. 1 and 2, in this embodiment, a plurality of reinforcing rings 4 are disposed between any two adjacent ring members 2, and in this embodiment, a plurality of clamping grooves 15 are disposed on the inclined support rods 3, and as shown in fig. 6 and 8, the clamping grooves 15 are disposed at intervals along the extending direction of the inclined support rods 3, and when the reinforcing rings 4 are mounted, the reinforcing rings 4 are fastened and fastened in the corresponding clamping grooves 15 of the inclined support rods 3.

In order to further enhance the structural strength of the formwork system, a tie fixture 9 for tie-fixing the corresponding vertical support rod 8 is further provided in this embodiment. The drawknot fixing member 9 in this embodiment is specifically a steel pipe. As shown in fig. 3, in this embodiment, the vertical support rods 8 are divided into multiple groups, and each vertical support rod 8 of the same group is supported at the bottom of a different ring-shaped member 2 and is located in the same plane, that is, each vertical support rod 8 of the same group is sequentially arranged along the radial direction of the ring-shaped member 2. In this embodiment, tie fasteners 9 are fixed between the vertical support rods 8 of the same group. The tie fasteners 9 can be divided into an inclined direction and a horizontal direction according to the direction, wherein the tie fasteners 9 horizontally arranged are positioned at the lowest.

Since each inclined support rod 3 is inclined downward, when the ring-shaped member 2 and the inclined support rods 3 bear gravity, each inclined support rod 3 generates a downward component force action, and in order to counteract the inclination component force of each inclined support rod 3, in this embodiment, a reinforcing support leg 27 is further disposed at the bottom end of each inclined support rod 3, as shown in fig. 8, in this embodiment, the reinforcing support leg 27 is a triangular welded metal member, and one side of the reinforcing support leg 27 is fixed to the silo wall 1. The connection seats 12 of the outermost ring 2 are also fixedly connected to the reinforcing legs 27.

It should be noted that, as shown in fig. 3, the bottoms of the vertical supporting legs are supported on the bailey frame 10, and the bailey frame 10 is placed on the supporting bracket 11, and the above structure is a common structure in the construction, which is not described in detail in this embodiment.

The embodiment of the formwork system installation method of the invention, in particular, the formwork system installation method in the embodiment comprises the following steps:

S1: splicing the corresponding curved sections 5 end to assemble each ring 2

Specifically, in this embodiment, the corresponding ring members 2 are assembled according to the requirement and the size, and the corresponding bending sections 5 are sequentially connected and fixed by bolts and nuts during the assembly.

S2: the ring-shaped pieces 2 are hoisted to the position with the set height, and the vertical supporting rods 8 with the corresponding lengths are supported and fixed at the bottom of the ring-shaped pieces 2

Specifically, as shown in fig. 9, in this embodiment, a hoist 28 is mounted on the bailey frame 10, each ring member 2 is hoisted to a corresponding height position by the hoist 28, after each ring member 2 reaches the corresponding height, the ring member 2 is adjusted to be horizontally placed, and then, a vertical support rod 8 with a corresponding length is mounted on the bottom of the ring member 2, so that the vertical support rod 8 with a corresponding length should be spliced in advance for convenience of construction. Then preliminary adjustment is performed in advance by adding or subtracting the support sub-rods 13, then fine adjustment is performed by rotating the round tube support sub-rods, and finally the length of each vertical support rod 8 is matched with the height between the ring-shaped member 2 and the bailey frame 10.

S3: the first connecting parts 6 and the corresponding second connecting parts 7 on any two adjacent annular parts 2 are connected and fixed to form an inclined nipple

Specifically, after the installation of each ring-shaped member 2 and the corresponding vertical support rod 8 is completed, the first connecting portion 6 and the second connecting portion 7 on any two adjacent ring-shaped members 2 are connected and fixed, and when all the first connecting portions 6 and the second connecting portions 7 are spliced, each inclined short section is formed, so that each inclined support rod 3 is formed.

S4: the drawknot fixing pieces 9 are drawknot fixed between the vertical supporting rods 8 of the same group

Specifically, in this embodiment, the drawknot fixing members 9 have a plurality of dimensions and lengths, and in this embodiment, the drawknot fixing members 9 may be divided into an inclined arrangement and a horizontal arrangement according to the orientation, wherein the drawknot fixing members 9 disposed horizontally are located at the lowest. The length of each of the tie fasteners 9 disposed obliquely in this embodiment increases in order from top to bottom. In the embodiment, the drawknot fixing pieces 9 are steel pipes, and the drawknot fixing pieces 9 are connected and fixed with the vertical support rods 8 in a binding mode. The corresponding reinforcing legs 27 also need to be bound and fixed to the connection base 12 in this embodiment.

S5: clamping and fixing each reinforcing ring 4 and the corresponding clamping groove 15 on each inclined supporting rod 3

Specifically, after the installation of each ring-shaped member 2 and the vertical support rod 8 is completed, each reinforcing ring 4 is clamped in the corresponding clamping groove 15. In this embodiment, each clamping groove 15 is located on the top side of the inclined support bar 3.

S6: laying a plate material on the conical curved surface formed by each annular piece 2 and each reinforcing ring 4

In this embodiment, the plate material is a thin wood plate, and the thin wood plate is laid on the conical curved surface formed by each annular member 2 and each reinforcing ring 4. And finally, constructing a cone-shell roof on the veneer.

In summary, the embodiment of the invention provides a conical shell type roof formwork system and a formwork system installation method, when the conical shell type roof formwork system is needed to be built, the annular piece 2, the inclined support rod 3 and the vertical support rod 8 are spliced, and as the annular piece 2, the inclined support rod 3 and the vertical support rod 8 are all detachable, the formwork system can be detached after the building is completed, and recycling can be realized. In addition, as the annular piece 2, the inclined support rod 3 and the vertical support rod 8 are all of split structures, the number of the bending sections 5 of each annular piece 2 can be adjusted, so that the diameter of the annular piece 2 is adjusted, the size of the annular piece 2 can be suitable for building different cone-shell roofs, the connection length of the inclined support rod 3 and the support height of the vertical support rod 8 are also adjustable, and the universality of a formwork system is further enhanced. The formwork system is convenient to install and detach, improves the construction efficiency, can be recycled and reused, and reduces the construction cost.

The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.

Claims (5)

1. A cone shell type roof formwork system is characterized in that: the device comprises a plurality of annular pieces (2) which are different in size and are integrally arranged in a frustum shape, and also comprises a plurality of inclined support rods (3) which are used for sequentially connecting the annular pieces (2) in series, wherein the inclined support rods (3) are arranged at intervals along the circumferential direction of the annular pieces (2); a plurality of vertical supporting rods (8) are detachably arranged below each annular piece (2), and the vertical supporting rods (8) of the same annular piece (2) are arranged at intervals along the circumferential direction of the corresponding annular piece (2); the bottom ends of the vertical supporting rods (8) of different annular parts (2) are all positioned in the same plane; a reinforcing ring (4) is arranged between any two adjacent annular parts (2), and the reinforcing rings (4) are used for connecting and fixing each inclined support rod (3) in series;

each annular piece (2) and each inclined supporting rod (3) are arranged in a split mode, and each annular piece (2) comprises a plurality of bending sections (5) which are spliced end to end in sequence to form the corresponding annular piece (2); each inclined support rod (3) comprises an inclined short section arranged between any two adjacent annular sections, the inclined short sections comprise a first connecting part (6) and a second connecting part (7) which are detachably connected, and the first connecting part (6) and the second connecting part (7) are respectively assembled with the corresponding annular piece (2) in a rotating way;

the vertical support rods (8) are divided into a plurality of groups, each vertical support rod (8) of the same group is supported at the bottoms of different annular pieces (2) and is positioned in the same plane, and a plurality of drawknot fixing pieces (9) are arranged between each vertical support rod (8) of the same group;

One of the first connecting part (6) and the second connecting part (7) is provided with a clamping pin (18), the other is provided with a clamping groove (16) for inserting the clamping pin (18), the moving direction of the clamping pin (18) and the extending direction of the inclined nipple are arranged at an included angle, and the first connecting part (6) and the second connecting part (7) are detachably connected through the clamping assembly of the clamping pin (18) and the clamping groove (16);

clamping grooves (15) are formed in each inclined support rod (3), and the reinforcing rings (4) are clamped and assembled in the corresponding clamping grooves (15);

The vertical support rods (8) are arranged in a split mode, each vertical support rod (8) comprises a plurality of support sub-rods (13), and any two adjacent support sub-rods (13) are fixedly connected through threads;

The end parts of the first connecting part (6) and the second connecting part (7) are respectively provided with a rotating sleeve used for being sleeved on the corresponding annular piece (2), and the annular piece (2) is provided with an annular groove used for limiting the rotating sleeve.

2. The tapered shell roof formwork system as claimed in claim 1 wherein: the outer peripheral side of the supporting sub-rod (13) is provided with a rotating handle (14).

3. The tapered shell roof formwork system as claimed in claim 1 wherein: and a reinforcing leg (27) arranged at the outermost annular piece (2) and used for bearing the downward component force of each inclined supporting rod (3).

4. The tapered shell roof formwork system as claimed in claim 1 wherein: any two adjacent bending sections (5) are fixedly connected through threaded connectors.

5. A formwork system installation method for a cone shell roof formwork system as claimed in any one of claims 1 to 4 wherein: the method comprises the following steps:

S1: splicing the corresponding bending sections (5) end to assemble each annular piece (2);

S2: hoisting each annular piece (2) to a position with a set height, and supporting and fixing a vertical supporting rod (8) with a corresponding length at the bottom of each annular piece (2);

S3: connecting and fixing each first connecting part (6) and each corresponding second connecting part (7) on any two adjacent annular parts (2) to form an inclined nipple;

S4: each drawknot fixing piece (9) is fixedly drawknot between each vertical supporting rod (8) of the same group;

S5: clamping and fixing each reinforcing ring (4) and a corresponding clamping groove (15) on each inclined supporting rod (3);

s6: and (3) paving a plate on the conical curved surface formed by each annular piece (2) and each reinforcing ring (4).