CN217196065U

CN217196065U - Multifunctional mould for concrete pipe pile

Info

Publication number: CN217196065U
Application number: CN202123024857.1U
Authority: CN
Inventors: 袁志洲; 薛之军; 曹威; 张�杰; 李全民; 解越; 包建娇; 王夫华
Original assignee: Nanjing Jutong Construction Industrial Technology Research Institute Co ltd; Nanjing Juli Intelligent Manufacturing Technology Research Institute Co ltd
Current assignee: Nanjing Jutong Construction Industrial Technology Research Institute Co ltd; Nanjing Juli Intelligent Manufacturing Technology Research Institute Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-08-16
Anticipated expiration: 2031-12-03

Abstract

The application discloses a multifunctional mould for a concrete pipe pile, which comprises an outer mould and an inner mould, wherein the outer mould comprises a first outer mould cover and a second outer mould cover, and the first outer mould cover and the second outer mould cover are matched to form a cylindrical outer mould; the inner mold is a cylindrical inner mold, the inner mold is detachably connected with the outer mold, the outer wall of the inner mold is attached to the inner wall of the outer mold, and concrete is isolated from the outer mold; the inner die encloses a forming cavity of the prestressed pipe pile. The inner die is arranged in the existing die, the inner die surrounds a forming cavity of the prestressed pipe pile, the inner die isolates the contact between concrete and the outer die, the size of the inner die can be changed to change the product specification of the prestressed pipe pile, and the prestressed pipe pile of a new model is manufactured, so that the combination of the outer die and the inner die is realized, and pipe pile products of various specifications can be produced.

Description

Multifunctional mould for concrete pipe pile

Technical Field

The utility model relates to a concrete tubular pile mould technical field, concretely relates to multifunctional mould for concrete tubular pile.

Background

The prestressed concrete pipe pile is divided into a post-tensioning prestressed pipe pile and a pre-tensioning prestressed pipe pile. The pre-tensioning prestressed pipe pile is a hollow cylindrical elongated concrete prefabricated member made up by adopting pre-tensioning prestressed process and centrifugal forming method, mainly formed from cylindrical pile body, end plate and steel ferrule.

At present, most of prestressed concrete pipe piles are steel moulds made of carbon steel, because the building design requirements of each engineering project are not uniform, the prestressed concrete pipe pile products cannot realize standardized uniform size, one mould can only produce a concrete pipe pile with a product specification, the steel mould possibly needs to be manufactured or purchased again when the engineering project is changed, the turnover utilization rate of the mould is very low, if the size change of a component is large, the idle of an old steel mould can be caused, the investment of the mould is increased, and the stacking area of the old mould is increased.

Therefore, a multifunctional prestressed concrete pipe pile mold is urgently needed, and the waste of the mold is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems explained in the background art, the application aims to provide a multifunctional mould for a concrete pipe pile.

In order to achieve the purpose, the technical scheme is as follows:

a multifunctional mould for a concrete pipe pile comprises an outer mould and an inner mould, wherein the outer mould comprises a first outer mould cover and a second outer mould cover which are matched to form a cylindrical outer mould; the inner mold is a cylindrical inner mold, the inner mold is detachably connected with the outer mold, the outer wall of the inner mold is attached to the inner wall of the outer mold, and concrete is isolated from the outer mold; the inner mold encloses a forming cavity of the prestressed pipe pile.

Preferably, the material of the inner die and the outer die is a metal material.

Preferably, the internal mold comprises an internal cylinder body, a plurality of circumferential ribs surrounding the internal cylinder body are welded and fixed on the outer surface of the internal cylinder body of the internal mold, and the plurality of circumferential ribs are arranged along the axial direction.

Furthermore, a plurality of longitudinal ribs protruding along the radial direction are welded and fixed on the outer surface of the inner cylinder body of the inner die, the longitudinal ribs extend along the axial direction, and the longitudinal ribs are arranged along the circumferential direction.

Preferably, the external mold and the internal mold are connected by bolts, and the internal mold is provided with a countersunk hole.

Furthermore, the outer die is provided with a connecting hole corresponding to the position of the countersunk hole, and the outer wall of the outer die is welded with a nut corresponding to the position of the connecting hole.

Furthermore, the outer die is provided with a threaded hole corresponding to the position of the countersunk hole.

Preferably, the inner mold comprises a first inner mold cover and a second inner mold cover, and the first inner mold cover and the second inner mold cover form a cylindrical inner mold in a mold combination mode; the outer wall of the first inner die cover is attached to the inner wall of the first outer die cover, and the outer wall of the second inner die cover is attached to the inner wall of the second outer die cover.

Preferably, the periphery of the outer die is provided with a plurality of flange plates, and the flange plates are distributed along the circumferential direction of the outer die.

Preferably, a sealing gasket is arranged at the joint of the first outer mold cover and the second outer mold cover.

The beneficial effect of this application does:

1. in the application, the inner die surrounds the forming cavity of the prestressed pipe pile, so that the contact between concrete and the outer die is isolated, and when the size of the prestressed pipe pile is changed, the size of the prestressed pipe pile can be changed by changing the size of the inner die, so that pipe pile products with various specifications can be produced by combining one outer die and one inner die;

2. the inner mold comprises an inner cylinder body, a plurality of circumferential ribs circumferentially surrounding the inner cylinder body are welded and fixed on the outer surface of the inner cylinder body of the inner mold, and the plurality of circumferential ribs are arranged along the axial direction; the outer surface of the inner cylinder body of the inner mold is also fixedly welded with a plurality of longitudinal ribs protruding along the radial direction, the longitudinal ribs extend along the axial direction, and the longitudinal ribs are arranged along the circumferential direction; therefore, on one hand, the material consumption of the inner die can be reduced, and on the other hand, the strength of the inner die can be improved.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic sectional view illustrating a cylindrical concrete pipe pile mold according to an embodiment of the present disclosure;

fig. 2 is a schematic cross-sectional view of a square column concrete pipe pile mold according to an embodiment of the present disclosure.

1. An outer mold; 11. a first outer mold cover; 12. a second outer mold cover; 13. a nut; 14. a flange plate; 15. a gasket;

2. an inner mold; 21. circumferential ribs; 22. longitudinal ribs; 23. a countersunk hole; 24. a first inner mold cover; 25. a second inner mold cover; 26. an inner cylinder body.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings, wherein the same reference numerals in the drawings denote the same components or similar components.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

Fig. 1 is a schematic sectional view illustrating a cylindrical concrete pipe pile mold according to an embodiment of the present disclosure; fig. 2 is a schematic sectional view of a square column concrete pipe pile mold according to an embodiment of the present disclosure.

Referring to fig. 1-2, the present application provides a multifunctional mold for a concrete pipe pile, which comprises an outer mold 1 and an inner mold 2, wherein the outer mold 1 comprises a first outer mold cover 11 and a second outer mold cover 12, and the first outer mold cover 11 and the second outer mold cover 12 are closed to form a cylindrical outer mold 1; the inner mold 2 is a cylindrical inner mold 2, the inner mold 2 is detachably connected with the outer mold 1, the outer wall of the inner mold 2 is attached to the inner wall of the outer mold 1, and concrete is isolated from the outer mold 1; the inner die 2 encloses a forming cavity of the prestressed pipe pile.

In the embodiment, the inner die 2 encloses the forming cavity of the prestressed pipe pile, so that the contact between concrete and the outer die 1 is isolated, the product specification of the prestressed pipe pile can be changed by changing the size of the inner die 2, a new type of prestressed pipe pile is manufactured, the combination of the outer die and the inner die is realized, and pipe pile products with various specifications can be produced.

Preferably, the material of the inner die 2 and the material of the outer die 1 are both metal materials, so that the die strength is reliable and the die is not easy to deform during centrifugal forming of the concrete pipe pile.

If the size of the prestressed pipe pile changes greatly, a thicker inner mold 2 may be required, the material usage of the inner mold 2 may be increased, and in order to reduce the material usage of the inner mold 2, preferably, the inner mold 2 includes an inner cylinder 26, a plurality of circumferential ribs 21 circumferentially surrounding the inner cylinder 26 are welded and fixed on the outer surface of the inner cylinder 26 of the inner mold 2, and the plurality of circumferential ribs 21 are arranged along the axial direction. Further, a plurality of longitudinal ribs 22 protruding in the radial direction are welded and fixed on the outer surface of the inner cylinder 26 of the inner die 2, the longitudinal ribs 22 extend in the axial direction, and the plurality of longitudinal ribs 22 are arranged in the circumferential direction. The arrangement of the circumferential ribs 21 and the longitudinal ribs 22 increases the strength and rigidity of the inner die 2, saves the material consumption, reduces the weight and reduces the production cost.

Preferably, the external mold 1 and the internal mold 2 are connected by bolts, and the internal mold 2 is provided with a countersunk hole 23, so that the connection between the external mold 1 and the internal mold 2 is simple and reliable.

Furthermore, the outer die 1 is provided with a connecting hole corresponding to the position of the countersunk hole 23, and the outer wall of the outer die 1 is welded with a nut 13 corresponding to the position of the connecting hole. The nut 13 is welded on the surface of the outer wall of the outer die 1, so that the outer die 1 and the inner die 2 are connected more firmly and reliably, the nut 13 does not need to be aligned with a connecting hole or a screw, the connecting steps are reduced, and the connection is more convenient and faster.

In other embodiments, the outer die 1 may further have corresponding threaded holes at the positions of the counter bores 23, so as to enhance the connection between the screws and the outer die 1, and further enhance the connection firmness between the outer die 1 and the inner die 2.

In order to facilitate the interconnection of the outer mold 1 and the inner mold 2 and improve the balance of the whole structure, preferably, the inner mold 2 comprises a first inner mold cover 24 and a second inner mold cover 25, and the first inner mold cover 24 and the second inner mold cover 25 are closed to form the cylindrical inner mold 2; the outer wall of the first inner mold cover 24 is attached to the inner wall of the first outer mold cover 11, and the outer wall of the second inner mold cover 25 is attached to the inner wall of the second outer mold cover 12.

In order to prevent the concrete forming the prestressed pipe piles from leaking, in a specific embodiment, a sealing gasket 15 is arranged at the joint of the first outer mold cover 11 and the second outer mold cover 12.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above are only examples of the present invention, and are not intended to limit the present invention. Various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a multi-functional mould of concrete pipe pile which characterized in that includes:

the outer die comprises a first outer die cover and a second outer die cover, and the first outer die cover and the second outer die cover are assembled to form a cylindrical outer die;

the inner mold is a cylindrical inner mold, the inner mold is detachably connected with the outer mold, the outer wall of the inner mold is attached to the inner wall of the outer mold, and concrete is isolated from the outer mold; the inner die encloses a forming cavity of the prestressed pipe pile.

2. The multifunctional mold for the concrete pipe pile as recited in claim 1, wherein the inner mold and the outer mold are made of metal material.

3. The multifunctional mold for the concrete pipe pile as recited in claim 1, wherein the inner mold comprises an inner cylinder body, a plurality of circumferential ribs circumferentially surrounding the inner cylinder body are welded and fixed on the outer surface of the inner cylinder body of the inner mold, and the plurality of circumferential ribs are arranged along the axial direction.

4. The multifunctional mold for a concrete pipe pile as recited in claim 3, wherein a plurality of longitudinal ribs protruding in the radial direction are welded and fixed to the outer surface of the inner cylinder of the inner mold, the longitudinal ribs extend in the axial direction, and the plurality of longitudinal ribs are arranged in the circumferential direction.

5. The multifunctional mold for a concrete pipe pile as recited in claim 1, wherein the outer mold and the inner mold are connected by bolts, and the inner mold is provided with counter bores.

6. The multifunctional die for the concrete pipe pile as claimed in claim 5, wherein the outer die is provided with a connecting hole corresponding to the position of the countersunk hole, and a nut corresponding to the position of the connecting hole is welded to the outer wall of the outer die.

7. The multifunctional concrete pipe pile die as claimed in claim 5, wherein the outer die is provided with threaded holes corresponding to the positions of the counter bores.

8. The multifunctional concrete pipe pile die of claim 1, wherein the inner die comprises a first inner die cover and a second inner die cover, and the first inner die cover and the second inner die cover are combined to form a cylindrical inner die; the outer wall of the first inner die cover is attached to the inner wall of the first outer die cover, and the outer wall of the second inner die cover is attached to the inner wall of the second outer die cover.