Radial extrusion forming device for concrete pipe

Abstract

The utility model belongs to the technical field of concrete pipe preparation, and particularly relates to a concrete pipe radial extrusion forming device which comprises a bottom plate, two mounting plates are fixedly mounted on the top surface of the bottom plate, a same top table is fixedly mounted on the top surfaces of the two mounting plates, and a same lifting plate is slidably mounted between the two mounting plates; a U-shaped plate is fixedly mounted on the top surface of the lifting plate; the through hole is formed in the top face of the lifting plate, an annular sleeve is arranged above the through hole, when the pipeline outer mold and the pipeline inner mold column are installed on the base, concrete raw materials are injected into the annular mold groove, and after the concrete raw materials are injected into the annular mold groove, the second hydraulic cylinder is started to drive the fixing plate to descend; and when the fixing plate descends, the annular sleeve can be driven to descend through the multiple connecting rods, after the annular sleeve enters the annular mold groove, raw materials in the annular mold groove can be pressed downwards, the concrete raw materials in the annular mold groove are compacted, and therefore the firmness of the formed concrete pipeline is effectively enhanced.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of concrete pipe preparation, and particularly relates to a radial extrusion forming device for a concrete pipe. BACKGROUND

[0002] The present concrete pipe is a pipe made of batch concrete or reinforced concrete and used for conveying fluids such as water, oil and gas. Concrete pipe pouring refers to the process of pouring concrete into an annular pouring cavity between an outer mold and an inner mold until plasticization.

[0003] There are various types of concrete pipe molds on the market today, which can basically meet the use requirements of people, but still have certain problems, including the following aspects:

[0004] When the concrete pipe mold is used, it is inconvenient to take out the formed concrete pipe, which is inconvenient to disassemble, and usually needs manual demolding, which is extremely inconvenient.

[0005] The traditional mold only pours concrete into the mold, but due to the lack of a compaction mechanism, the quality of the manufactured concrete pipe is relatively poor. When used, due to the insufficient hardness, cracks and pipe deformation may occur when the concrete is poured, and therefore, the radial extrusion forming device for a concrete pipe is proposed. SUMMARY

[0006] The purpose of the present application is to solve the problems in the background art by providing a radial extrusion forming device for a concrete pipe.

[0007] Therefore, the radial extrusion forming device for a concrete pipe is provided, which comprises:

[0008] A bottom plate is provided, and two mounting plates are fixedly installed on the top surface of the bottom plate. A top table is fixedly installed on the top surface of the two mounting plates. A lifting plate is slidingly installed between the two mounting plates. A U-shaped plate is fixedly installed on the top surface of the lifting plate.

[0009] A through hole is formed in the top surface of the lifting plate, and an annular sleeve is arranged above the through hole.

[0010] A lifting assembly is arranged on the U-shaped plate and used to drive the annular sleeve to lift.

[0011] The base is fixedly installed on the top surface of the bottom plate, the inner surface of the base is provided with a pipeline outer mold, the pipeline outer mold is provided with an inner mold column, an annular mold groove is arranged between the pipeline outer mold and the inner mold column, the annular sleeve is sleeved with the annular mold groove, the top surface of the pipeline outer mold is fixedly installed with a plurality of connecting columns, the top ends of the plurality of connecting columns are fixedly connected with the bottom surface of the lifting plate, when the pipeline outer mold and the inner mold column are installed on the base, the concrete raw materials are injected into the annular mold groove, after the concrete raw materials are injected into the annular mold groove, the second hydraulic cylinder is started to drive the fixed plate to descend, when the fixed plate descends, the plurality of connecting rods will drive the annular sleeve to descend, when the annular sleeve enters into the annular mold groove, the raw materials in the annular mold groove are pressed downward, the concrete raw materials in the annular mold groove are compacted, and the firmness of the formed concrete pipeline is effectively enhanced.

[0012] In the above technical scheme, further, the lifting assembly includes a second hydraulic cylinder, the second hydraulic cylinder is fixedly installed on the bottom surface of the U-shaped plate, the bottom end of the second hydraulic cylinder is fixedly installed with a fixed plate, the bottom surface of the fixed plate is fixedly installed with a plurality of connecting rods, the bottom ends of the plurality of connecting rods are fixedly connected with the top surface of the annular sleeve, after the concrete raw materials are injected into the annular mold groove, the second hydraulic cylinder is started to drive the fixed plate to descend, when the fixed plate descends, the plurality of connecting rods will drive the annular sleeve to descend, when the annular sleeve enters into the annular mold groove, the raw materials in the annular mold groove are pressed downward, the concrete raw materials in the annular mold groove are compacted, and the firmness of the formed concrete pipeline is effectively enhanced.

[0013] In the above technical scheme, further, the bottom surface of the top platform is fixedly installed with a first hydraulic cylinder, the bottom end of the first hydraulic cylinder is fixedly connected with the top surface of the U-shaped plate, and the first hydraulic cylinder drives the lifting plate to ascend.

[0014] In the above technical scheme, further, the top surface of the base is fixedly installed with a sleeve block and an annular clamping block, the bottom surface of the inner mold column is provided with a sleeve groove, the sleeve groove is movably sleeved with the sleeve block, the bottom surface of the pipeline outer mold is provided with an annular clamping groove, the annular clamping groove is movably sleeved with the annular clamping block, and the outer side walls of the sleeve block and the annular clamping block are both provided with sealing strips.

[0015] In the above technical scheme, further, the top surface of the inner mold column is fixedly installed with a plurality of hanging rings, the bottom surface of the lifting plate is fixedly installed with a plurality of steel ropes, the bottom ends of the plurality of steel ropes are all fixedly installed with hooks, and the plurality of hooks are movably connected with the plurality of hanging rings respectively, when the hooks and the hanging rings are connected, the hooks, the steel ropes and the hanging rings will also drive the inner mold column to ascend when the lifting plate ascends, and after the lifting plate ascends to a certain position, the demolding of the pipeline outer mold and the inner mold column is realized.

[0016] Further, the bottom surface of the bottom plate is fixedly provided with a plurality of supporting legs, which can enhance the stability and fixity of the bottom plate when placed.

[0017] In the above technical solution, further, the radius of the through hole is greater than the radius of the annular sleeve, and the annular sleeve can pass through the through hole and enter the annular die groove when descending.

[0018] The beneficial effects of the present application are:

[0019] 1. The radial extrusion forming device for the concrete pipe, when the pipe outer die and the inner die column are installed on the base, the concrete raw material is injected into the annular die groove, after the concrete raw material is injected into the annular die groove, the second hydraulic cylinder is started to drive the fixed plate to descend, and when the fixed plate descends, the annular sleeve is driven to descend through the plurality of connecting rods, when the annular sleeve enters the annular die groove, the raw material in the annular die groove is pressed down, and the concrete raw material in the annular die groove is compacted, thereby effectively enhancing the firmness of the formed concrete pipe.

[0020] 2. The radial extrusion forming device for the concrete pipe, after the concrete raw material in the annular die groove is formed, the plurality of hooks and the hanging ring are installed, the first hydraulic cylinder is started to drive the lifting plate to rise, when the lifting plate rises, the connecting column drives the pipe outer die to rise, and the hooks, the steel rope and the hanging ring also drive the inner die column to rise, after the lifting plate rises to a certain position, the pipe outer die and the inner die column are demolded, at this time, the staff can take down the formed concrete pipe from the base. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a schematic diagram of the three-dimensional structure of the present application;

[0022] Figure 2 is a schematic diagram of the sleeve groove structure of the present application;

[0023] Figure 3 is a schematic diagram of the hanging ring structure of the present application;

[0024] Figure 4 is a schematic diagram of the pipe outer die structure of the present application;

[0025] Figure 5 is a schematic diagram of the annular clamping groove structure of the present application.

[0026] Figure 6 is a schematic diagram of the base structure of the present application.

[0027] The marks in the figure are:

[0028] 1, bottom plate; 2, mounting plate; 3, base; 4, pipe outer die; 5, lifting plate; 6, inner die column; 7, annular die groove; 8, connecting rod; 9, sleeve groove; 10, sleeve block; 11, annular clamping block; 12, annular clamping groove; 13, top table; 14, connecting column; 15, support leg; 16, hanging ring; 17, steel rope; 18, hook; 19, U-shaped plate; 20, first hydraulic cylinder; 21, through hole; 22, annular sleeve; 23, fixed plate; 24, second hydraulic cylinder. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art belong to the scope of protection of the present application.

[0030] In the description of the present application, it should be noted that the terms used herein are only intended to describe the specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For the convenience of description, the sizes of the various parts shown in the drawings are not drawn in accordance with the actual proportional relationship. The techniques, methods and devices known to those skilled in the relevant art can not be discussed in detail, but should be considered as part of the authorized description. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so further discussion is not needed in the subsequent drawings once an item is defined in one drawing.

[0031] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application are used to distinguish similar objects, and are not intended to describe a specific order or chronological sequence. It should be understood that the data used in this way can be exchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than that illustrated or described herein, and the objects distinguished by "first", "second" and the like are generally a class, and do not limit the number of objects, for example, the first object can be one or more. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / ", generally represents a "or" relationship between the front and rear associated objects.

[0032] It should be noted that, in the description of the present application, the orientation words such as "front, back, upper, lower, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship is generally based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, in the absence of the opposite description, these orientation words do not indicate and imply that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the scope of protection of the present application; the orientation words "inner, outer" refer to the inner and outer relative to the contour of each component.

[0033] It should be noted that in the present application, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or device. Without more limitations, the element defined by the sentence "including a…" does not exclude the existence of other identical elements in the process, method, article or device including the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but can also include performing functions in a substantially simultaneous manner or in the opposite order according to the functions involved, for example, the described method can be performed in an order different from that described, and various steps can also be added, omitted or combined. In addition, the features described with reference to certain examples can be combined in other examples.

[0034] Embodiment 1:

[0035] Please refer to Figures 1-6 The present embodiment provides a concrete pipe radial extrusion forming device.

[0036] It includes: the bottom plate 1, the top surface of the bottom plate 1 is fixedly installed with two mounting plates 2, the top surface of the two mounting plates 2 is fixedly installed with the same top table 13, the same lifting plate 5 is slidingly installed between the two mounting plates 2, the top surface of the lifting plate 5 is fixedly installed with a U-shaped plate 19; the through hole 21 is formed in the top surface of the lifting plate 5, and the upper portion of the through hole 21 is provided with an annular sleeve 22; the lifting assembly is arranged on the U-shaped plate 19 and is used to drive the annular sleeve 22 to lift; the base 3 is fixedly installed on the top surface of the bottom plate 1, and the inner face of the base 3 is provided with a pipeline outer mold 4; the pipeline outer mold 4 is provided with an inner mold column 6; the annular mold groove 7 is arranged between the pipeline outer mold 4 and the inner mold column 6; the annular sleeve 22 is sleeved with the annular mold groove 7; the top surface of the pipeline outer mold 4 is fixedly installed with a plurality of connecting columns 14, the top ends of the plurality of connecting columns 14 are fixedly connected with the bottom surface of the lifting plate 5; when the pipeline outer mold 4 and the inner mold column 6 are installed on the base 3, the concrete raw materials are injected into the annular mold groove 7; after the concrete raw materials are injected into the annular mold groove 7, the second hydraulic cylinder 24 is started to drive the fixed plate 23 to descend; when the fixed plate 23 descends, the plurality of connecting rods 8 will drive the annular sleeve 22 to descend; when the annular sleeve 22 enters into the annular mold groove 7, the raw materials in the annular mold groove 7 are pressed downward to compact the concrete raw materials in the annular mold groove 7, thereby effectively enhancing the firmness of the formed concrete pipeline.

[0037] Embodiment 2

[0038] The embodiment provides a concrete pipe radial extrusion forming device, in addition to the technical solutions of the above-mentioned embodiments, further having the following technical features.

[0039] The lifting assembly includes the second hydraulic cylinder 24, the second hydraulic cylinder 24 is fixedly installed on the bottom surface of the U-shaped plate 19, the bottom end of the second hydraulic cylinder 24 is fixedly installed with the fixed plate 23, the bottom surface of the fixed plate 23 is fixedly installed with the plurality of connecting rods 8, the bottom ends of the plurality of connecting rods 8 are fixedly connected with the top surface of the annular sleeve 22; after the concrete raw materials are injected into the annular mold groove 7, the second hydraulic cylinder 24 is started to drive the fixed plate 23 to descend; when the fixed plate 23 descends, the plurality of connecting rods 8 will drive the annular sleeve 22 to descend; when the annular sleeve 22 enters into the annular mold groove 7, the raw materials in the annular mold groove 7 are pressed downward to compact the concrete raw materials in the annular mold groove 7, thereby effectively enhancing the firmness of the formed concrete pipeline.

[0040] The bottom surface of the top table 13 is fixedly installed with the first hydraulic cylinder 20, the bottom end of the first hydraulic cylinder 20 is fixedly connected with the top surface of the U-shaped plate 19, and the first hydraulic cylinder 20 drives the lifting plate 5 to ascend.

[0041] The base 3 has a fixed top surface with a sleeve block 10 and an annular locking block 11. The bottom surface of the inner mold column 6 has a sleeve groove 9, which is movably connected to the sleeve block 10. The bottom surface of the pipe outer mold 4 has an annular locking groove 12, which is movably connected to the annular locking block 11. The outer walls of the sleeve block 10 and the annular locking block 11 are provided with sealing strips. When the pipe outer mold 4 and the inner mold column 6 are installed on the base 3, the sleeve groove 9 and the sleeve block 10, and the annular locking groove 12 and the annular locking block 11 will be connected together. The sealing strips can effectively enhance the sealing performance when the sleeve groove 9 and the sleeve block 10, and the annular locking groove 12 and the annular locking block 11 are connected.

[0042] Example 3:

[0043] This embodiment provides a radial extrusion molding device for concrete pipes, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0044] The inner mold column 6 has multiple hanging rings 16 fixedly installed on its top surface, and multiple steel ropes 17 fixedly installed on its bottom surface. Each of the steel ropes 17 has a hook 18 fixedly installed at its bottom end. The hooks 18 are movably connected to the hanging rings 16. When the hooks 18 are connected to the hanging rings 16, the hooks 18, steel ropes 17, and hanging rings 16 will also drive the inner mold column 6 to rise when the lifting plate 5 rises. After the lifting plate 5 rises to a certain position, the outer mold 4 of the pipe and the inner mold column 6 are demolded.

[0045] Example 4:

[0046] This embodiment provides a radial extrusion molding device for concrete pipes, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0047] The bottom surface of the base plate 1 is fixedly equipped with multiple support legs 15. By setting multiple support legs 15, the stability and fixation of the base plate 1 when it is placed will be enhanced.

[0048] The radius of the through hole 21 is larger than the radius of the annular sleeve 22. When the annular sleeve 22 descends, it will pass through the through hole 21 and enter the annular mold groove 7.

[0049] During use, when the outer mold 4 and inner mold column 6 of the pipe are installed on the base 3, concrete raw material is injected into the annular mold groove 7. After the concrete raw material is injected into the annular mold groove 7, the second hydraulic cylinder 24 is activated to drive the fixed plate 23 to descend. When the fixed plate 23 descends, it will drive the annular sleeve 22 to descend through multiple connecting rods 8. When the annular sleeve 22 enters the annular mold groove 7, it will press down the raw material in the annular mold groove 7 and compact the concrete raw material in the annular mold groove 7, thereby effectively enhancing the strength of the concrete pipe after molding.

[0050] After the concrete raw materials in the annular mold groove 7 are formed, the plurality of hooks 18 are installed with the hanging rings 16, the first hydraulic cylinder 20 is started to drive the lifting plate 5 to rise, when the lifting plate 5 rises, the connecting column 14 will drive the pipeline outer mold 4 to rise, and the hooks 18, the steel wire 17, the hanging ring 16 will also drive the inner mold column 6 to rise, after the lifting plate 5 rises to a certain position, the demolding of the pipeline outer mold 4 and the inner mold column 6 is realized, at this time, the staff can take the formed concrete pipe from the base 3.

[0051] The embodiments of the present application are described above in combination with the drawings, the embodiments and the features in the embodiments in the present application can be combined with each other without conflict, the present application is not limited to the above-mentioned specific embodiments, the above-mentioned specific embodiments are only illustrative, not restrictive, and those skilled in the art can make many forms under the inspiration of the present application without departing from the scope of the present application and the protection scope of the claims, which all belong to the protection of the present application.

Claims

1. A device for the radial extrusion of a concrete pipe, characterised in that, Include: The bottom plate (1), the top surface of the bottom plate (1) is fixedly installed with two mounting plates (2), the top surface of two mounting plates (2) is fixedly installed with the same top table (13), the same lifting plate (5) is slidingly installed between two mounting plates (2), the top surface of the lifting plate (5) is fixedly installed with a U-shaped plate (19); The through hole (21) is arranged on the top surface of the lifting plate (5), and the upper portion of the through hole (21) is provided with an annular sleeve (22); The lifting assembly is arranged on the U-shaped plate (19) and is used for driving the annular sleeve (22) to lift; The base (3) is fixedly installed on the top surface of the bottom plate (1), the inner surface of the base (3) is provided with a pipeline outer mold (4), the pipeline outer mold (4) is provided with an inner mold column (6) in the pipeline outer mold (4), the annular mold groove (7) is arranged between the pipeline outer mold (4) and the inner mold column (6), the annular sleeve (22) is sleeved with the annular mold groove (7), and the top surface of the pipeline outer mold (4) is fixedly installed with a plurality of connecting columns (14), the bottom ends of the plurality of connecting columns (14) are fixedly connected with the bottom surface of the lifting plate (5).

2. The apparatus according to claim 1, wherein The lifting assembly includes a second hydraulic cylinder (24), the second hydraulic cylinder (24) is fixedly installed on the bottom surface of the U-shaped plate (19), the bottom end of the second hydraulic cylinder (24) is fixedly installed with a fixed plate (23), the bottom surface of the fixed plate (23) is fixedly installed with a plurality of connecting rods (8), and the bottom ends of the plurality of connecting rods (8) are fixedly connected with the top surface of the annular sleeve (22).

3. The apparatus of claim 1 wherein, The bottom surface of the top table (13) is fixedly installed with a first hydraulic cylinder (20), and the bottom end of the first hydraulic cylinder (20) is fixedly connected with the top surface of the U-shaped plate (19).

4. The apparatus of claim 1 wherein, The top surface of the base (3) is fixedly installed with a sleeve block (10) and an annular clamping block (11), the bottom surface of the inner mold column (6) is provided with a sleeve groove (9), the sleeve groove (9) is movably sleeved with the sleeve block (10), the bottom surface of the pipeline outer mold (4) is provided with an annular clamping groove (12), the annular clamping groove (12) is movably sleeved with the annular clamping block (11), and the outer side walls of the sleeve block (10) and the annular clamping block (11) are both provided with sealing strips.

5. The apparatus of claim 1 wherein, The top surface of the inner mold column (6) is fixedly installed with a plurality of hanging rings (16), the bottom surface of the lifting plate (5) is fixedly installed with a plurality of steel ropes (17), the bottom ends of the plurality of steel ropes (17) are all fixedly installed with hooks (18), and the plurality of hooks (18) are movably connected with the plurality of hanging rings (16) respectively.

6. The apparatus of claim 1 wherein, The bottom surface of the bottom plate (1) is fixedly installed with a plurality of supporting legs (15).

7. The apparatus of claim 1 wherein, The radius of the through hole (21) is greater than the radius of the annular sleeve (22).

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