阅读说明：本技术 一体浇筑成型电梯井浇筑模板 (Template is pour to integrative pouring shaping elevartor shaft ) 是由 范志江 叶璐萍 范志荣 于 2021-07-24 设计创作，主要内容包括：本申请涉及一种一体浇筑成型电梯井浇筑模板,包括侧模和预制混凝土底板,侧模通过连接构件与预制混凝土底板连接；预制混凝土底板的周缘延伸至侧模外部并延伸至侧模水平方向一侧；预制混凝土底板的周缘处还设置有用于与现浇混凝土连接的预埋构件。预制混凝土底板直接放置在井体的底部,随后在侧模和对电梯井的侧壁进行浇筑,此时预制混凝土底板被压在电梯井的底部,从而防止侧模发生偏移,有效保证电梯井的浇筑质量。并且由于底板为预制混凝土底板,因此能够有效降低施工周期。(The application relates to an integrally cast elevator shaft casting template, which comprises a side mold and a precast concrete bottom plate, wherein the side mold is connected with the precast concrete bottom plate through a connecting component; the periphery of the precast concrete bottom plate extends to the outside of the side die and extends to one side of the side die in the horizontal direction; and the periphery of the precast concrete bottom plate is also provided with an embedded member connected with cast-in-place concrete. Precast concrete bottom plate direct placement is in the bottom of well body, pours at the side form afterwards with to the lateral wall of elevartor shaft, and precast concrete bottom plate is pressed in the bottom of elevartor shaft this moment to prevent that the side form from taking place the skew, effectively guarantee the quality of pouring of elevartor shaft. And because the bottom plate is the precast concrete bottom plate, consequently can effectively reduce construction cycle.)

1. The utility model provides a template is pour to integrated into one piece shaping elevartor shaft, its characterized in that: the prefabricated concrete bottom plate comprises side molds (2) and a prefabricated concrete bottom plate (1), wherein the side molds (2) are connected with the prefabricated concrete bottom plate (1) through connecting components (5); the periphery of the precast concrete bottom plate (1) extends to the outside of the side mold (2) and extends to one side of the side mold (2) in the horizontal direction;

and the periphery of the precast concrete bottom plate (1) is also provided with an embedded member (3) connected with cast-in-place concrete.

2. The integrally cast elevator shaft casting formwork of claim 1, wherein: the precast concrete bottom plate (1) is provided with a first limiting block (41), and the first limiting block (41) is positioned on the inner side of the side die (2) and is abutted against the inner wall of the side die (2);

the first limiting blocks (41) are provided with a plurality of annular distribution corresponding to the side die (2), a second limiting block (42) is arranged between every two adjacent first limiting blocks (41), and the second limiting blocks (42) are fixed on the side die (2).

3. The integrally cast elevator shaft casting formwork of claim 2, wherein: the first limiting block (41) is provided with a first connecting hole (411), the second limiting block (42) is provided with a second connecting hole (421), and the first connecting hole (411) and the second connecting hole (421) are communicated with each other; the connecting member (5) comprises a connecting rod (51), and the connecting rod (51) is arranged in the first connecting hole (411) and the second connecting hole (421) adjacent to the first connecting hole (411) in a penetrating mode.

4. The integrally cast elevator shaft casting formwork of claim 3, wherein: a first mounting groove (412) is formed in the first limiting block (41), and the first mounting groove (412) is communicated with one side of the first connecting hole (411) in the horizontal direction; a second mounting groove (422) is formed in the second limiting block (42), and the second mounting groove (422) is communicated with one side of the second connecting hole (421) in the horizontal direction; the connection rod (51) enters the first connection hole (411) and the second connection hole (421) through the first mounting groove (412) and the second mounting groove (422).

5. The integrally cast elevator shaft casting formwork of claim 4, wherein: the first mounting groove (412) is positioned between the first mounting hole and the side die (2); the notch of the first mounting groove (412) is positioned at the top of the first limiting block (41);

the second mounting groove (422) is positioned between the second mounting hole and the side die (2), and a notch of the second mounting groove (422) is positioned at the top of the second limiting block (42); the first mounting groove (412) and the second mounting groove (422) are obliquely arranged.

6. The integrally cast elevator shaft casting formwork of claim 4, wherein: the first limiting block (41) and the second limiting block (42) adjacent to the first limiting block are arranged into a group of fixing components (4), and two adjacent groups of fixing components (4) are arranged at intervals;

the connecting component (5) also comprises a plurality of fixed sleeves (52) fixed on the connecting rod (51), two adjacent fixed sleeves (52) are arranged at the same interval, and the fixed sleeves (52) are in one-to-one correspondence with the fixed components (4); the diameters of the first and second connection holes (411, 421) are the same, and the diameter of the fixing sleeve (52) is the same as the diameters of the first and second connection holes (411, 421).

7. The integrally cast elevator shaft casting formwork of claim 6, wherein: one end of the fixed sleeve (52) is also provided with a limit flange (53).

8. The integrally cast elevator shaft casting formwork of claim 1, wherein: the embedded member (3) comprises a lifting lug (31) and a reinforcement cage (32) which are embedded on the precast concrete base plate (1), and the reinforcement cage (32) extends to the position above the precast concrete base plate (1).

9. The integrally cast elevator shaft casting formwork of claim 1, wherein: a plurality of concrete key grooves (11) are further formed in the periphery of the precast concrete bottom plate (1), and the concrete key grooves (11) are arranged around the periphery of the side mold (2); the inner wall of the concrete key groove (11) is set to be a rough surface.

10. The integrally cast elevator shaft casting formwork of claim 9, wherein: the concrete key groove (11) is arranged to be a through groove, the cross section of the concrete key groove (11) is in a trapezoid shape, and the small end of the concrete key groove (11) is located at the top of the precast concrete bottom plate (1).

Technical Field

The utility model belongs to the technical field of the template is pour to the elevartor shaft and specifically relates to a template is pour to integrative shaping elevartor shaft of pouring is related to.

Background

At present, the method is divided into one-time casting molding and two-time casting molding, wherein the two-time casting molding is to firstly pour the shaft bottom, hang the template at the shaft bottom and fix the template, and pour the shaft wall, so that the molding quality of the elevator shaft is better, but the construction period of the two-time casting molding of the elevator shaft is longer.

And the one-step casting molding is to directly lift the elevator shaft casting template with the bottom wall in the pit and cast concrete, so that the construction period is short. But the concrete when vibrating, the concrete of elevartor shaft bottom can be more and more closely knit for the template can receive great buoyancy, and the stability that leads to the template is relatively poor, is unfavorable for guaranteeing the pouring quality of elevartor shaft.

Therefore, because two kinds of pouring modes all have self defect, an elevator shaft pouring mode which can not only ensure construction quality but also reduce construction period is urgently needed.

Disclosure of Invention

The application provides an integrative shaping elevartor shaft of pouring pours template can enough guarantee the construction quality of elevartor shaft, can reduce the construction cycle of elevartor shaft again.

The application provides a pair of shaping elevartor shaft is pour to integrative casting template adopts following technical scheme:

an integrally cast elevator shaft casting template comprises side molds and a precast concrete bottom plate, wherein the side molds are connected with the precast concrete bottom plate through connecting members; the periphery of the precast concrete bottom plate extends to the outside of the side die and extends to one side of the side die in the horizontal direction;

and the periphery of the precast concrete bottom plate is also provided with an embedded member connected with cast-in-place concrete.

Through adopting above-mentioned technical scheme, precast concrete bottom plate directly places in the bottom of well body, pours at the side form afterwards with the lateral wall to the elevartor shaft, and precast concrete bottom plate is pressed in the bottom of elevartor shaft this moment to prevent that the side form from taking place the skew, effectively guarantee the quality of pouring of elevartor shaft. And because the bottom plate is the precast concrete bottom plate, consequently can effectively reduce construction cycle.

Preferably, a first limiting block is arranged on the precast concrete bottom plate, is positioned on the inner side of the side die and is abutted against the inner wall of the side die;

the first limiting blocks are provided with a plurality of annular distribution corresponding to the side die, and a second limiting block is arranged between every two adjacent first limiting blocks and fixed on the side die.

Through adopting above-mentioned technical scheme, first stopper and second stopper can mutually support to carry on spacingly to the side form, prevent effectively that the side form from producing the phenomenon of skew when concrete placement, thereby guarantee the stability of side form, and then guarantee the quality of pouring of elevartor shaft.

Preferably, the first limiting block is provided with a first connecting hole, the second limiting block is provided with a second connecting hole, and the first connecting hole and the second connecting hole are communicated with each other; the connecting member comprises a connecting rod, and the connecting rod is arranged in the first connecting hole and the second connecting hole adjacent to the first connecting hole in a penetrating mode.

Through adopting above-mentioned technical scheme, the connecting rod directly passes first connecting hole and second connecting hole, can connect first stopper and second stopper, can enough guarantee the stability of connecting, and the constructor operation of being convenient for again promotes the convenience that the side form is connected with precast concrete bottom plate to help reducing construction cycle.

Preferably, a first mounting groove is formed in the first limiting block, and the first mounting groove is communicated with one side of the first connecting hole in the horizontal direction; a second mounting groove is formed in the second limiting block and communicated with one side of the second connecting hole in the horizontal direction; the connecting rod enters the first connecting hole and the second connecting hole through the first mounting groove and the second mounting groove.

Through adopting above-mentioned technical scheme, the connecting rod can directly get into in first mounting hole and the second mounting hole through first mounting groove and second mounting groove to connect first stopper and second stopper, be convenient for the user of service high-speed joint side form and precast concrete bottom plate, the work of demolising of the side form of being convenient for simultaneously improves work efficiency, reduces construction cycle.

Preferably, the first mounting groove is positioned between the first mounting hole and the side die; the notch of the first mounting groove is positioned at the top of the first limiting block;

the second mounting groove is positioned between the second mounting hole and the side die, and a notch of the second mounting groove is positioned at the top of the second limiting block; the first mounting groove and the second mounting groove are both obliquely arranged.

Through adopting above-mentioned technical scheme, put into first standing groove and second standing groove with the connecting rod, the connecting rod can get into in first mounting hole and the second mounting hole under the effect of self gravity, therefore the placing that the connecting rod can be stable is in first connecting hole and second connecting hole to effectively promote the stability that first stopper and second stopper are connected.

Preferably, the first limiting block and the second limiting block adjacent to the first limiting block are arranged as a group of fixed members, and two adjacent groups of fixed members are arranged at intervals;

the connecting component also comprises a plurality of fixed sleeves fixed on the connecting rod, two adjacent fixed sleeves are arranged at intervals in the same way, and the fixed sleeves are in one-to-one correspondence with the fixed components; the diameters of the first and second connection holes are the same, and the diameter of the fixing sleeve is the same as the diameters of the first and second connection holes.

Through adopting above-mentioned technical scheme, fixed cover can closely cooperate with first connecting hole and second connecting hole simultaneously, promotes the stability of being connected between first stopper and the second stopper to guarantee the stability of being connected between side form and the precast concrete bottom plate.

Preferably, one end of the fixing sleeve is also provided with a limiting flange.

Through adopting above-mentioned technical scheme, the setting of limit flange can be spacing fixed cover, guarantees the complex stability between fixed cover and first connecting hole and the second connecting hole to promote the stability of being connected between first stopper and the second stopper.

Preferably, the embedded member comprises a lifting lug and a reinforcement cage which are embedded on the precast concrete base plate, and the reinforcement cage extends to the position above the precast concrete base plate.

Through adopting above-mentioned technical scheme, the elevartor shaft lateral wall when pouring, can be even as an organic whole between concrete and the steel reinforcement cage to effectively promote the joint strength between the cast in situ concrete wall of a well and the precast concrete bottom plate, effectively guaranteed the pouring quality of elevartor shaft.

Preferably, a plurality of concrete keyways are further formed in the periphery of the precast concrete bottom plate, and are arranged around the periphery of the side mold; the inner wall of the concrete key groove is set to be a rough surface.

Through adopting above-mentioned technical scheme, the concrete well wall when pouring, inside the concrete can get into the keyway to form the stopper in the keyway, effectively promote the stability of being connected between the cast in situ concrete wall of a well and the precast concrete bottom plate, promote joint strength, guarantee the pouring quality of elevartor shaft.

Preferably, the concrete key groove is a through groove, the cross section of the concrete key groove is trapezoidal, and the small end of the concrete key groove is located at the top of the precast concrete bottom plate.

Through adopting above-mentioned technical scheme, the concrete can form the wedge in the concrete keyway to with the cast in situ concrete wall of a well and precast concrete bottom plate interconnect, promote the wholeness between the cast in situ concrete wall of a well and the precast concrete bottom plate, effectively guarantee the pouring quality of elevartor shaft.

In summary, the invention includes at least one of the following beneficial technical effects:

1. precast concrete bottom plate direct placement is in the bottom of well body, pours at the side form afterwards with to the lateral wall of elevartor shaft, and precast concrete bottom plate is pressed in the bottom of elevartor shaft this moment to prevent that the side form from taking place the skew, effectively guarantee the quality of pouring of elevartor shaft. Moreover, the bottom plate is a precast concrete bottom plate, so that the construction period can be effectively shortened;

2. the connecting rod can directly enter the first mounting hole and the second mounting hole through the first mounting groove and the second mounting groove, so that the first limiting block and the second limiting block are connected, a user can conveniently and quickly connect the side form with the precast concrete bottom plate, the form removal work of the side form can be facilitated, the work efficiency is improved, and the construction period is shortened; the fixed sleeve can be simultaneously and tightly matched with the first connecting hole and the second connecting hole, so that the connection stability between the first limiting block and the second limiting block is improved, and the connection stability between the side mold and the precast concrete bottom plate is ensured;

3. the prefabricated concrete bottom plate is pre-embedded with the reinforcement cage, so that the concrete and the reinforcement cage can be connected into a whole when the side wall of the elevator shaft is poured, and the connection strength between the cast-in-place concrete well wall and the prefabricated concrete bottom plate is effectively improved; simultaneously the concrete can also enter into the concrete keyway at the periphery of precast concrete bottom plate to form the wedge in the concrete keyway, effectively promote the wholeness between the cast in situ concrete wall of a well and the precast concrete bottom plate, effectively guarantee the quality of pouring of elevartor shaft.

Drawings

Fig. 1 is a schematic structural diagram of an integrally cast elevator shaft casting template in an embodiment of the present application;

FIG. 2 is a cross-sectional view of an integrally cast elevator shaft casting form in an embodiment of the application;

FIG. 3 is a schematic structural view of a fixing member;

fig. 4 is a structural schematic view of the connecting member.

In the drawings, the reference numbers: 1. prefabricating a concrete bottom plate; 11. a concrete key slot; 2. side mould; 3. pre-embedding a component; 31. lifting lugs; 32. a reinforcement cage; 4. a fixing member; 41. a first stopper; 411. a first connection hole; 412. a first mounting groove; 42. a second limiting block; 421. a second connection hole; 422. a second mounting groove; 5. a connecting member; 51. a connecting rod; 52. fixing a sleeve; 53. a flange.

Detailed Description

The invention is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses template is pour to integrative shaping elevartor shaft of pouring. Referring to fig. 1 and 2, the integrally cast elevator shaft casting formwork comprises a precast concrete bottom plate 1 and side forms 2 arranged on the precast concrete bottom plate 1. The precast concrete bottom plate 1 is made of reinforced concrete. The side forms 2 are connected with the precast concrete floor 1 by connecting members 5. Constructors can hang the precast concrete bottom plate 1 and the side forms 2 in the foundation pit of the elevator shaft.

Referring to fig. 1, the periphery of a precast concrete floor 1 extends to the peripheral side of a side mold 2. The periphery of the precast concrete bottom plate 1 is provided with an embedded member 3. The embedded member 3 comprises four lifting lugs 31 embedded on the precast concrete base plate 1, and the four lifting lugs 31 are respectively positioned at four corners of the precast concrete base plate 1, so that a constructor can directly lift the precast concrete base plate 1 and the side mold 2 through the lifting lugs 31.

Referring to fig. 1, the precast concrete floor 1 is further provided with a plurality of reinforcement cages 32, and the reinforcement cages 32 are annularly distributed and distributed on the peripheral side of the side mold 2. The lower end of the reinforcement cage 32 is pre-buried in the precast concrete floor 1 and connected with the reinforcement in the precast concrete floor 1. The upper end of steel reinforcement cage 32 then extends to precast concrete bottom plate 1 top, consequently, when the wall of a well of elevartor shaft is pour, cast-in-place concrete well wall can be even as an organic whole with steel reinforcement cage 32 to promote the stability of being connected between the cast-in-place concrete well wall and the precast concrete bottom plate 1.

Referring to fig. 1 and 2, a plurality of concrete keyways 11 are further formed in the periphery of the precast concrete floor 1, the plurality of concrete keyways 11 are distributed around the side molds 2, and the concrete keyways 11 are located between the reinforcement cage 32 and the side molds 2, so that the strength of the cast-in-place concrete well wall and the joint of the precast concrete floor 1 is ensured.

Referring to fig. 2, the concrete key groove 11 is provided as a through groove and penetrates the precast concrete floor 1. The trapezoidal setting of personally submitting of concrete keyway 11 to the upper end of concrete keyway 11 sets up to the tip, and consequently, when the elevartor shaft lateral wall was pour, the concrete can get into concrete keyway 11 inside and form the wedge groove, thereby promotes the joint strength between the cast in situ concrete wall of a well and precast concrete bottom plate 1. The inner wall of the concrete key groove 11 is provided with a rough surface, so that the tightness of connection between cast-in-place concrete and precast concrete is improved.

Referring to fig. 2, a plurality of first limiting blocks 41 are arranged on the precast concrete base plate 1, and the plurality of first limiting blocks 41 are concrete precast blocks and are integrally cast with the precast concrete base plate 1. First stopper 41 is located the inboard of side form 2, and a plurality of first stopper 41 is the annular and distributes and all with 2 inner walls butts of side form, and two adjacent first stoppers 41 interval set up.

Referring to fig. 2, a second limiting block 42 is fixed on the inner wall of the side mold 2, the second limiting block 42 is made of a steel structure, and the second limiting block 42 is arranged between two adjacent first limiting blocks 41. The first limiting blocks 41 and the second limiting blocks 42 adjacent to the first limiting blocks 41 are a group of fixed units 4, so that the plurality of first limiting blocks 41 and the plurality of second limiting blocks 42 form a plurality of groups of fixed units 4, the plurality of groups of fixed units 4 are uniformly distributed on the inner side of the side mold 2, and a gap is reserved between two adjacent groups of fixed units 4.

Referring to fig. 2 and 3, a first connection hole 411 is formed in the first limiting block 41, a second connection hole 421 is formed in the second limiting block 42, the first connection hole 411 and the second connection hole 421 are coaxially arranged and are mutually communicated, and the diameters of the first connection hole 411 and the second connection hole 421 are the same.

Referring to fig. 2 and 3, a first mounting groove 412 is formed in the top wall of the first stopper 41, the first mounting groove 412 is located between the first mounting hole and the side mold 2, and the bottom of the first mounting groove 412 is inclined toward the first connection hole 411 and communicated with one side of the first connection hole 411 in the horizontal direction. The top wall of the second limiting block 42 is provided with a second mounting groove 422, the second mounting groove 422 is also located between the second mounting hole and the side mold 2, the bottom wall of the second mounting groove 422 is inclined towards the second connecting hole 421 and is communicated with one side of the horizontal direction of the second connecting hole 421, and the second mounting groove 422 is flush with the inner wall of the first mounting groove 412.

Referring to fig. 2 and 4, the connection member 5 includes a connection rod 51, a plurality of fixing sleeves 52 are sleeved on the connection rod 51, the number of the fixing sleeves 52 is the same as that of the first stopper 41, the plurality of fixing sleeves 52 are equally spaced, the diameter of the fixing sleeves 52 is the same as that of the first connection hole 411, and the length of the fixing sleeves 52 corresponds to the sum of the lengths of the first connection hole 411 and the second connection hole 421, so that the fixing sleeves 52 can be inserted into the first connection hole 411 and the second connection hole 421, thereby connecting the first stopper 41 and the second stopper 42 to each other. One end of the fixing sleeve 52 is provided with a flange 53, which can ensure the stability of the installation of the fixing sleeve 52.

The connection between the first stopper 41 and the second stopper 42 can be accomplished by putting the connection rod 51 into the first connection hole 411 and the second connection hole 421 through the first mounting groove 412 and the second mounting groove 422, and then moving the connection rod 51 in a lateral direction to allow the fixing sleeve 52 to penetrate into the first connection hole 411 and the second connection hole 421.

The implementation principle of the template is pour to integrative pouring shaping elevartor shaft in the embodiment of this application does:

first, the precast concrete floor 1 is completed. The method comprises the steps of using reinforced concrete to carry out integral pouring on the precast concrete base plate 1, namely, pre-embedding reinforcing steel bars in the precast concrete base plate 1, fixing a lifting lug 31 and a reinforcing cage 32 in the reinforcing steel bars in the precast concrete base plate 1 before pouring the precast concrete base plate 1, and then pouring concrete, so that the lifting lug 31 and the reinforcing cage 32 are pre-embedded in the precast concrete base plate 1.

Next, the side forms 2 are mounted on the precast concrete floor 1. Aligning the first stopper 41 with the second stopper 42 corresponding to the first stopper 41, putting the connection rod 51 into the first mounting groove 412 and the second mounting groove 422, and making the connection rod 51 enter the first connection hole 411 and the second connection hole 421, and then moving the connection rod 51 and the fixing sleeve 52, and making the fixing sleeve 52 penetrate the first connection hole 411 and the second connection hole 421, so that the connection between the first stopper 41 and the second stopper 42 can be completed, thereby completing the connection of the side form 2 and the precast concrete floor panel 1.

And then, hoisting the precast concrete bottom plate 1 and the side forms 2 into the excavated elevator shaft foundation pit, and performing concrete pouring on the side wall of the elevator shaft.

After the elevator shaft side wall is molded, the side mold 2 can be disassembled.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.