CN213143868U - Hole construction tool is reserved to railing basis - Google Patents

Abstract

The utility model discloses a construction tool for reserving holes on a railing foundation, which comprises a concrete precast block, wherein the concrete precast block is of a quadrangular frustum pyramid structure, and is provided with a reinforcing bar ring which is embedded in the concrete precast block and extends out of the concrete precast block from the top of the concrete precast block; be provided with the demoulding layer on the concrete prefabricated section, the demoulding layer covers on each surface of concrete prefabricated section. The utility model is used for appurtenance of railing basis hole construction, come-up, crooked equidimension when can avoiding railing basis hole preparation are bad, guarantee the standard of railing basis hole appearance and size to can guarantee that the railing is installed beautifully and safety in railing basis hole.

Description

Hole construction tool is reserved to railing basis

Technical Field

The utility model relates to a railing basis hole construction, concretely relates to supplementary railing basis reserves instrument of hole construction.

Background

The protective handrail is an important auxiliary structure of water conservancy projects such as river levees and the like, the use safety is ensured along with the improvement of the living standard of people, the requirements of beauty, comfort, practicability and the like are also met, and the quality of the protective handrail directly influences the safety of pedestrians and the landscape coordination of the surrounding environment; the guardrail bar has the advantages that the guardrail bar has high requirements on installation quality of the guardrail bar foundation, the existing guardrail bar has the problems of position deviation, upward floating of the guardrail bar, dislocation, poor installation quality and the like, the problems are often related to the reserved holes of the guardrail bar foundation, and the problems of the guardrail bar caused by the deflection and the like of the reserved holes of the guardrail bar foundation easily occur. The traditional method for manufacturing the reserved holes of the rail foundation is a method for manufacturing a wood box in a pre-buried manner, but the method is not firm in fixation, deviation and floating are generated due to vibration pressure during concrete pouring, so that rail elevation deviation, forward bending, backward bending and left and right bending are caused, labor and materials consumed for manufacturing the wood box cannot be recycled, and the requirements of environment-friendly and green construction are not met; the reserved holes of the handrails are also manufactured by a method of pre-embedding and installing the plastic small barrels, but the plastic barrels are difficult to bind and position, light in weight, generate upward floating deviation and left and right deflection, the barrels are filled with sandy soil to increase stability, and material damage and waste are caused during dismantling.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem be to the nonstandard problem of hole that exists when reserving the hole preparation on the basis of current railing, provide the instrument that the hole was under construction is reserved on supplementary railing basis that can solve.

In order to solve the technical problem, the technical scheme of the utility model is that: a hole reserving construction tool for a railing foundation comprises a concrete prefabricated block, wherein the concrete prefabricated block is of a quadrangular frustum pyramid structure with a large upper part and a small lower part, a reinforcing steel bar ring is arranged on the concrete prefabricated block, and the reinforcing steel bar ring is embedded in the concrete prefabricated block and extends out of the concrete prefabricated block from the top of the concrete prefabricated block; be provided with the demoulding layer on the concrete prefabricated section, the demoulding layer covers on each surface of concrete prefabricated section.

Furthermore, the concrete precast block comprises a reinforcement cage and a concrete casting body, wherein the concrete casting body is cast on the reinforcement cage, and the reinforcement ring is fixed on the reinforcement cage.

Furthermore, the top of the concrete precast block is also provided with fixing nails which are arranged at four corners of the outer side of the reinforcing steel bar ring.

Furthermore, the demoulding layer is a plastic film coated on the outer surface of the concrete precast block.

The lifting device comprises a lever, a support rod and a hook, wherein the support rod and the hook are connected to the lever, and the support rod is connected to one end, close to the hook, of the lever; the hooks can hook the reinforcing rings.

Further, the hook is rotatably arranged on the lever through a first rotating shaft.

Further, the lifting device further comprises a base, and the supporting rod is supported on the base.

Further, the base includes bottom plate and montant, the montant is fixed on the bottom plate, branch passes through the rotatable setting of second pivot on the montant.

The utility model discloses the beneficial effect who realizes mainly has following several: the concrete precast block is used as a pouring forming die for the reserved holes of the railing foundation, the concrete structure is heavier, the concrete precast block is more stable during installation, the defects of floating deviation, left-right deflection and the like of the holes which are made by pouring can be avoided, the standardization of the holes of the made railing foundation is ensured, and the attractiveness and safety of the installation of the railing in the holes of the railing foundation are ensured; and concrete structure concrete prefabricated section stable in structure can be used as railing hole pouring mould repeatedly many times and utilize, has saved the cost of construction. In addition, set up the reinforcing bar ring on the concrete prefabricated section, make things convenient for the removal of concrete prefabricated section and fixed with the template when being under construction, can promote the efficiency of railing hole preparation, further guaranteed the standardization of railing hole preparation.

Drawings

Fig. 1 is a schematic perspective view of a concrete precast block according to a first embodiment of the present invention;

fig. 2 is a schematic longitudinal sectional view of the concrete precast block of fig. 1 at the reinforcing bar ring;

fig. 3 is a schematic structural view of a concrete precast block fixed on a template at the outer side of a railing base in the first embodiment of the utility model;

fig. 4 is a schematic perspective view of a lifting device according to a first embodiment of the present invention;

fig. 5 is a schematic view of a three-dimensional structure of a lifting device for lifting a concrete precast block on a railing according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a rail mounting hole left after a concrete precast block is taken off from a rail base in an embodiment of the present invention;

fig. 7 is a schematic perspective view of another concrete precast block according to a first embodiment of the present invention.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.

Detailed Description

To facilitate understanding for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples.

Example one

Referring to fig. 1-7, a railing foundation reserved hole construction tool is used for the appurtenance of railing foundation reserved hole construction, can avoid the sizes such as floating, crooked bad when railing foundation hole preparation, guarantees the standard of railing foundation hole appearance and size to can guarantee the pleasing to the eye and the safety of railing installation in railing foundation hole. Railing basis reserved hole construction tool includes concrete prefabricated section 1, concrete prefabricated section 1 is big-end-up's four-edged terrace structure, uses the appearance and the size of railing installation hole, and concrete size can be according to the size preparation of railing basis hole, for example to the hole of imitating wood concrete railing installation length 300mm wide 250mm deep 250mm, concrete prefabricated section 1 also makes the four-edged terrace structure of length 300mm wide 250mm deep 250mm, to the four-edged terrace structure of granite railing installation length 160mm wide 140mm deep 120mm, concrete prefabricated section 1 also makes the four-edged terrace structure of length 160mm wide 140mm deep 120 mm.

Referring to fig. 1 to 7, the concrete precast block 1 is provided with a reinforcement ring 11, the reinforcement ring 11 is embedded inside the concrete precast block 1 and extends out of the concrete precast block 1 from the top of the concrete precast block 1, so that the reinforcement ring 11 and the concrete precast block 1 form an integrated structure, the concrete precast block 1 can be lifted up through the reinforcement ring 11, and the transfer of the concrete precast block 1 is facilitated; but also can pass through reinforcing bar ring 11 with concrete prefabricated section 1 ligature fix on the template 4 of railing basis 3 outside, can fix through iron wire 5. In addition, the concrete precast block 1 is provided with the demolding layer 12, and the demolding layer 12 covers the outer surfaces of the concrete precast block 1, so that the cast-in-place concrete of the concrete precast block 1 and the external railing bases 3 is prevented from being poured into the concrete precast block 1, and the concrete precast block 1 cannot be taken out generally. In the embodiment, the concrete precast block 1 is used as a pouring forming die for the reserved holes of the railing foundation, so that the concrete structure is heavier, the installation is more stable, the defects of floating deviation, left-right deflection and the like of the holes which are poured and manufactured can be avoided, the standardization of the holes of the manufactured railing foundation is ensured, and the attractiveness and safety of the installation of the railing in the holes of the railing foundation are ensured; and concrete structure concrete prefabricated section stable in structure can be used as railing hole pouring mould repeatedly many times and utilize, has saved the cost of construction. In addition, set up the reinforcing bar ring on the concrete prefabricated section, make things convenient for the removal of concrete prefabricated section and fixed with the template when being under construction, can promote the efficiency of railing hole preparation, further guaranteed the standardization of railing hole preparation.

Referring to fig. 2, as a further preferred solution, the concrete precast block 1 preferably adopts the following structure: the concrete precast block comprises a reinforcement cage 13 and a concrete cast body 14, wherein the reinforcement cage 13 is firstly manufactured into a cube, then the reinforcement cage 13 is placed in a mould for manufacturing the concrete precast block 1, and then concrete is cast in the mould, so that the concrete cast body 14 is cast on the outer side of the reinforcement cage 13 to form an integrated concrete precast block. Add the steel reinforcement cage during concrete prefabricated section preparation for concrete prefabricated section intensity is stronger, and the structure is more stable, thereby makes its use as railing basis hole pouring die that can be many times. The reinforcing ring 11 is fixed on the reinforcing cage 13, so that the connection between the reinforcing ring 11 and the concrete prefabricated block 1 is firmer, and the stress capacity of the reinforcing ring 11 is stronger.

Referring to fig. 7, as a further preferred scheme, the top of the concrete precast block 1 is further provided with fixing nails 15, the fixing nails 15 are arranged at positions outside the reinforcing bar rings 11, in this embodiment, the fixing nails 15 are respectively arranged at four corners outside the top of the concrete precast block 1, and are used for fixing the concrete precast block 1 and the formwork 4 outside the railing foundation 3, so that the concrete precast block 1 and the formwork 4 outside the railing foundation 3 are fixed more stably by adopting the structure, and the pouring of holes of the railing foundation is more standard.

Referring to fig. 2, the demoulding layer 12 is made of a plastic film, and is coated on the outer surface of the concrete precast block 1, the plastic film is convenient to replace, and the demoulding layer 12 can be quickly manufactured when the concrete precast block 1 is repeatedly used as a railing foundation hole pouring mould each time; and the cost of the plastic film is low, so that the construction cost can be reduced.

Referring to fig. 4 and 5, the lifting device 2 is further included for lifting and taking out the precast concrete block 1 after the hole of the handrail base is made, so as to finally form the hole 31, and facilitate the reuse of the precast concrete block 1. The lifting device 2 comprises a lever 21, a support rod 22 and a hook 23, wherein the support rod 22 and the hook 23 are both connected to the lever 21, and the support rod 22 is connected to one end, close to the hook 23, of the lever 21; the hooks 23 can hook over the tendon rings 11. When the lifting device 2 is used, the supporting rod 22 can be supported on a hard structure near the outer side of the hole 31, the hook 23 hooks the reinforcing steel bar ring 11 of the concrete precast block 1, the end A far away from the supporting rod 22 is pressed by the lever 21, the end B close to the supporting rod 22 tilts along with the supporting rod, the concrete precast block 1 is pulled out from the hole 31 of the railing foundation 3, the hole 31 is exposed, and a railing can be further installed.

Referring to fig. 4, as a further preferred solution, the hook 23 is preferably rotatably disposed on the lever 21 through the first rotating shaft 25, so that the hook 23 can adjust the direction during the process of pulling out the concrete precast block 1 from the hole 31, and the friction between the outer wall of the concrete precast block 1 and the inner wall of the hole 31 is reduced, so that the concrete precast block 1 is more easily pulled out from the hole 31.

Referring to fig. 4 and 5, as a further preferred solution, the lifting device 2 is further provided with a base 24 for supporting the supporting rod 22, and the base 24 with a larger area is used for supporting the supporting rod 22, so as to increase the stressed area when lifting the concrete precast block 1, and prevent the supporting rod 22 from being unable to be supported by the soft foundation near the railing base 3. The following structure is preferably adopted: the folding type folding bicycle comprises a bottom plate 241 with a large area and a vertical rod 242, wherein the vertical rod 242 is fixed on the bottom plate 241, and the supporting rod 22 is rotatably arranged on the vertical rod 242 through a second rotating shaft 26. Therefore, the whole lifting device 2 is of an integrated structure, is convenient to use and store and is not easy to lose.

The hole construction tool is reserved to railing basis of this embodiment use as follows: installing a template 4, and pouring lower-layer concrete of the railing foundation 3 in the template 4; placing the concrete precast block 1 at a preset position on concrete; then fixing the concrete precast block 1 on the template 4 through an iron wire 5; then, concrete is continuously poured on the template 4, and the concrete is poured on the upper layer of the railing foundation 3; cutting off the iron wire 5 after the concrete structure of the railing foundation 3 is finally set, lightly knocking the loose concrete prefabricated block 1 by using an iron hammer, and pulling the concrete prefabricated block 1 out of the railing foundation 3 through the lifting device 2 to expose the hole 31; finally, a railing can be installed in the hole 31.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (8)

1. The utility model provides a hole construction tool is reserved to railing basis which characterized in that: the concrete prefabricated block (1) is of a quadrangular frustum pyramid structure with a large top and a small bottom, a reinforcing steel bar ring (11) is arranged on the concrete prefabricated block (1), and the reinforcing steel bar ring (11) is embedded in the concrete prefabricated block (1) and extends out of the concrete prefabricated block (1) from the top of the concrete prefabricated block (1); be provided with demoulding layer (12) on concrete precast block (1), demoulding layer (12) cover on each surface of concrete precast block (1).

2. The hole reservation construction tool of railing foundation of claim 1, characterized in that: the concrete precast block (1) comprises a reinforcement cage (13) and a concrete casting body (14), wherein the concrete casting body (14) is cast on the reinforcement cage (13), and the reinforcement ring (11) is fixed on the reinforcement cage (13).

3. The hole construction tool is reserved to railing basis of claim 2, characterized in that: the concrete precast block (1) top still is provided with staple (15), staple (15) set up the position in reinforcing bar ring (11) outside four corners.

4. The hole reservation construction tool of railing foundation of claim 1, characterized in that: the demolding layer (12) is a plastic film coated on the outer surface of the concrete prefabricated block (1).

5. A hole reserving construction tool for a railing base according to any one of claims 1-4, characterized in that: the lifting device (2) comprises a lever (21), a support rod (22) and a hook (23), the support rod (22) and the hook (23) are both connected to the lever (21), and the support rod (22) is connected to one end, close to the hook (23), of the lever (21); the hooks (23) can hook the reinforcing steel bar rings (11).

6. The hole reservation construction tool of railing foundation of claim 5, characterized in that: the hook (23) is rotatably arranged on the lever (21) through a first rotating shaft (25).

7. The hole reservation construction tool of railing foundation of claim 6, characterized in that: the lifting device (2) further comprises a base (24), and the supporting rod (22) is supported on the base (24).

8. The hole reservation construction tool of claim 7, characterized in that: the base (24) comprises a bottom plate (241) and a vertical rod (242), the vertical rod (242) is fixed on the bottom plate (241), and the support rod (22) is rotatably arranged on the vertical rod (242) through a second rotating shaft (26).

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