KR100593414B1 - Hume pipe reinforce structure - Google Patents

Abstract

The present invention relates to a water supply and sewage pipe connection structure provided with a connection breakage preventing device that can prevent the connection portion of the sewer pipe which is constructed to connect the plurality of water and sewage pipes in the longitudinal direction to lose the support force and bend or twist due to the vertical pressure. .

To this end, the present invention, the lower support 20 is installed horizontally on the surface of the cracked ground, the upper support 30 is assembled to surround the center upper side of the water supply and sewage pipes 10, 10 ', and the upper and lower parts In the water supply and sewage pipe connection structure in which a pair of shock absorbing members 50a and 50b surrounding a part of the outer circumference including a connection portion of the water and sewage pipes 10 and 10 'is assembled between the supports 20 and 30, the lower support 20 ) Is formed of a FRP material having an enclosure shape having an open portion with an open upper surface, and a plurality of fixing portions 22 are fixed to the bottom surface of the accommodating portion 21 in which the buffer member 50a is received. One side end of the elastic spring 40 is fixedly fixed to the fixing part 22 so that the elastic spring 40 supports the lower side of the shock absorbing member 50a, and is formed inside both of the supporting parts 23a and 23b. The guide groove 24 is formed to penetrate to the lower side is inserted into the guide groove 24 A portion of the tip 341 of the assembling protrusion 34 penetrates through the cracked ground, and the plate spring 70 is seated on the upper surface of the upper support 30 assembled to the upper side of the lower support 20. The base member 60 is seated together with the pair of leaf springs 70 having a portion 35 installed at the center portion thereof, which is bent in a "c" shape, and the base member 60 is formed of the leaf spring receiving portion 35. The pin shaft 63 penetrating the fixing hole 36 passes through the assembly hole 62 of the assembly portion 61 formed at the bottom of the center, and both sides of the base member 60 are plate springs starting from the pin shaft 63. It is characterized in that it is configured to move the seesaw movement on both sides while forming the elasticity of (70).

Water and sewage pipe, water supply, drainage, elastic spring, leaf spring, vibration, shock

Description

Water pipe sewage pipe connection structure with breakage prevention device

1 is an exemplary view showing a water and sewage pipe connection structure provided with a connection breakage preventing device according to the present invention,

Figure 2 is an exploded perspective view showing the configuration of the water supply and sewage pipe connection structure provided with a breakage preventing device according to the present invention,

3 is a cross-sectional view taken along line AA ′ of FIG. 1;

4 is a cross-sectional view taken along the line B-B 'of FIG.

* Description of the symbols for the main parts of the drawings *

10,10 ': Water and sewage pipe 12: connection portion

20: lower support 21: housing

22: fixing part 23a, 23b: supporting part

24: guide groove 25: bottom plate

30: upper support 31: upper receiving portion

34: assembly protrusion 35: leaf spring receiving portion

36: fixing hole 40: elastic spring

50a, 50b: shock absorbing member 51: receiving portion

52, 53: support portion 60: base member

61: assembly unit 62: assemblyman

63: pin shaft 70: leaf spring

341: tip

The present invention relates to a water and sewage pipe connection structure provided with a connection breakage prevention device, and more particularly, the connection portion of the sewage pipe that is constructed to connect the plurality of water and sewage pipes in the longitudinal direction loses the supporting force due to the vertical pressure and is bent or distorted. It relates to a water and sewage pipe connection structure is provided with a connection breakage prevention device that can be prevented.

In general, water pipes for supplying water to factories, houses, and various facilities and sewage pipes that can transfer used sewage wastewater to remote sewage treatment facilities are buried underground to secure ground space and to beautify living environment. .

In addition, the water supply and drainage pipe is widely used as a concrete water pipe (Hume pipe) made of the raw material of the concrete, and a structure in which a plurality of water supply and drainage pipes made of a constant diameter and length are connected in a line in order to supply water and water at a distance. The ground is cut into enough space to be seated, and the water and sewage pipes are sequentially seated along the longitudinal direction, and then refilled with earth and sand.

In the related art, a method of simply digging the land and refilling the water and sewage pipes there and then covering the soil again is widely used.

In the case of urban centers, the sediment located in the periphery of the water supply and sewage pipes is strengthened to increase the density of the soils, and concrete or asphalt is applied to the ground where the water and sewage pipes are buried. The risk is minimized.

Therefore, in the construction of water and sewage pipes buried without the need for additional reinforcement work, the above-described construction method can achieve the intended purpose, and there is no problem in the stability of water and sewage pipes.

However, water and sewage pipes that run long in one direction are extremely vulnerable to vertical pressure in areas with frequent collapse of the ground and partial subsidence, such as river basins or mountainous areas with high precipitation, or road crossing areas where loads are concentrated temporarily. If the sewer pipe is easily bent or twisted at the slight ground subsidence of the burial site, some of the breakage and gap may occur, and water leakage occurs through the gap.

As such, rainwater that has soaked into the ground can weaken and collapse the ground of sewage and sewage pipes while stagnating for a long time in a subterranean place or intensively eroding only a certain part. It is placed in a poor installation state, and this causes a problem that the breakage and cracks in the water supply and sewage pipe portion due to the distortion or bending of the connection of the water and sewage pipe due to the unbalanced support base, resulting in leakage.

Therefore, the present invention has been invented to solve the above-mentioned problems, and the connection breakage preventing device that can reinforce the strength of the connection portion is connected to another water and sewage pipes adjacent to the water and sewage pipes buried underground is long The purpose is to provide a water supply and sewage pipe connection structure.

In addition, the present invention absorbs and mitigates the external impact acting on the connection portion of the water supply and drainage pipes buried underground and adjacent to the other water supply and drainage pipes connected to each other long, water and sewage pipes caused by leaks caused by cracks or damage to these connections. It is an object of the present invention to provide a water and sewage pipe connection structure equipped with a connection breakage preventing device that can prevent the connection of the water and sewage pipes by the ground weakening and collapse or the unbalanced support base in advance.

The present invention to achieve the above object,

Lower support 20 is installed horizontally on the surface of the ground to support the lower center of the outer circumferential surface of the water supply and sewage pipes 10, 10 'connected in the longitudinal direction, and the center of the water supply and sewage pipes 10, 10'. The upper support 30 is assembled to surround the upper side, and the receiving portion 51 and the receiving portion 51 is formed of elastic rubber to accommodate the connection portion 12 of the water and sewage pipes 10, 10 ' A pair of shock absorbing members 50a and 50b are provided with hemispherical support parts 52 and 53 connected to each other to surround a part of the outer circumferential surface including a connection part of the upper and lower water pipes 10 and 10 'between the upper and lower support parts 20 and 30. In the water and sewage pipe connection structure that is assembled,

The lower support 20 is formed of a FRP material having an enclosure shape having an open portion of which the upper surface is opened, but a plurality of fixing portions 22 on the bottom surface of the accommodating portion 21 in which the buffer member 50a is received. Is installed, one side end of the elastic spring 40 is assembled to the fixing portion 22 to be fixed so that the elastic spring 40 supports the lower side of the buffer member (50a),

The guide grooves 24 formed on the inner sides of both support portions 23a and 23b are formed to penetrate to the lower side thereof, so that a part of the tip 341 of the assembly protrusion 34 fitted into the guide grooves 24 is broken. Through the ground,

The upper surface of the upper support 30, which is assembled to the upper side of the lower support 20, is installed a leaf spring receiving portion 35, the leaf spring 70 is seated, a pair of leaf springs the center portion of which is bent into a "ㄷ" shape The base member 60 is seated together with the 70,

The base member 60 is assembled such that the pin shaft 63 penetrating the fixing hole 36 of the leaf spring receiving portion 35 is fitted into the assembly hole 62 of the assembly portion 61 formed at the center bottom thereof. Provides a water and sewage pipe connection structure having a connection breakage preventing device, characterized in that the both sides of the base member (60) starting from (63) to form the elasticity of the leaf spring (70) to move both sides. .

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exemplary view showing a water and sewage pipe connection structure provided with a connection breakage preventing device according to the present invention, Figure 2 is an exploded perspective view illustrating a water and sewage pipe connection structure provided with a connection breakage preventing device according to the present invention, Figure 3 is a cross-sectional view taken along the line A-A 'of FIG. 1, and FIG. 4 is a cross-sectional view taken along the line B-B' of FIG.

As shown in Figures 1 and 2, the present invention is a lower support 20 is installed horizontally on the surface of the ground to be excavated to support the lower center of the outer peripheral surface of the water supply and sewer pipe 10, 10 'connected in the longitudinal direction and The upper support 30 is assembled to the upper surface of the lower support 20 so as to surround the central upper side of the water supply and drainage pipes 10 and 10 ', and the elastic rubber between the lower support 20 and the upper support 30. It is formed with a receiving portion 51 which is connected to both sides of the receiving portion 51 and the receiving portion 51 is provided with a connection portion 12 of the water supply and sewage pipe 10, 10 'to the inner center is provided A pair of shock absorbing members 50a and 50b are assembled between the upper and lower supporters 20 and 30 so as to cover a part of the outer circumferential surface including the connecting portion of the upper and lower water pipes 10 and 10 '. All are configured identically.

The lower support 20 is formed of a glass glass reinforced plastic (FRP) material having an enclosure shape with an open portion of which an upper surface is opened, but an accommodating portion 21 in which a buffer member 50a is accommodated. A plurality of fixing parts 22 are fixed to the bottom surface of the accommodating part 21, and one side end of the elastic spring 40 is fixed to the fixing part 22 to fix the buffer member 50a. The elastic spring 40 supports the lower side.

And the guide groove 24 formed in the inner side of both support portions (23a, 23b) placed on both edges of the receiving portion 21 is penetrated to the lower side, it is assembled to fit into the guide groove (24) A portion of the tip 341 of the pair of assembly protrusions 34 formed on the lower side of the upper support 30 was allowed to penetrate the ground.

And the upper surface of the upper support 30, which is assembled to the upper side of the lower support 20, the leaf spring receiving portion 35 is recessed in a predetermined size and width so that the leaf spring 70 is seated, the leaf spring receiving The portion 35 has a pair of leaf springs 70 which are bent in a "c" shape so as to face each other on both sides thereof and spaced apart from each other by a space, and a base member 60 on the upper surface of the leaf spring 70. Is seated.

The base member 60 is fixed to the fixing hole 36 drilled to the center portion of the leaf spring receiving portion 35, the assembly hole 62 of the assembly portion 61 formed on the central bottom of the base member 60 It is assembled to be fixed by the pin shaft (63) to be inserted through so that both sides of the base member 60 from the pin shaft (63) forms the elasticity of the leaf spring (70) and transfers to the upper side on both sides. It is assembled to absorb the shock.

According to the structure as described above, according to the structure as described above, the ground crushing for embedding the water supply and sewage pipe 10 in the basement, and then ground the ground compacted sand so that the ground is horizontal after the crushed ground, When the lower support 20 is installed thereon, it prevents sliding due to left and right shaking to prevent bending and twisting of the upper and lower sewer pipes.

In addition, after the elastic spring 40 is fixedly assembled to the inner accommodating portion 21 of the lower support 20, the outer circumferential surface of the buffer members 50a and 50b wrapped with elastic rubber to absorb external shocks and the like thereon. After assembling the connecting portion 12 of the water and sewage pipe 10, the upper support 30 in the guide groove 24 formed in the inner side of both support portions (23a, 23b) to be placed on both edges of the lower support (20) The pair of assembling protrusions 34 formed at the lower side of the guide groove 24 is assembled to pierce through, so that the tip 341 of the assembling protrusion 34 can penetrate through the cracked ground.

 In this way, the installation of the water and sewage pipe connection structure provided with the connection breakage preventing device according to the present invention for each connection portion 12 of the water and sewage pipe 10 in sequence and then repeat the work to be buried in the soil.

Therefore, the present invention is not simply a method of digging the ground and putting the water and sewage pipes there and then cover the ground again, the upper and lower support for the strength of the joint portion that is connected to the water and sewage pipes in the longitudinal direction, that is, the connection part 12 ( Particularly applied locally by cushioning members 50a and 50b formed of elastic rubber to protect the outer circumferential surface of the connecting portion 12 between 20 and 30 to alleviate shock absorption and vibration caused by external force. It can be safely protected from the vertical load can prevent the connection portion of the water and sewage pipe 10 is broken or twisted as in the prior art.

In addition, the present invention is provided with a separate elastic spring 40 on the lower side of the shock absorbing member (50a, 50b) the outer peripheral surface is wrapped with elastic rubber to absorb external shocks, the impact delivered to the upper side with the elastic spring The shock absorbing member absorbs the shock.

In addition, a pair of leaf springs bent in a "c" shape is also installed on the lower side of the base member 60 assembled on the upper surface of the upper support, and the base member is assembled to the pin shaft 63 so as to start from the pin shaft 63. Both sides of the base member 60 forms the elasticity of the leaf spring 70 and absorbs the shock transmitted to the upper side while moving on both sides.

As described above, in the present invention, in buried water and sewer pipes in the underground soft ground, the floor has a flat form on the surface of the ground (floor compaction sand to be horizontal) where the connection portion is connected to the water and sewage pipes long The lower support is installed, and the inner support of the upper and lower sewer pipes are assembled with elastic springs absorbing external shocks and the like, so as to cover the upper support, so that the upper and lower sewer pipes are connected (seam) There is an effect of preventing the break easily bent or twisted.

In addition, the present invention, while protecting the connection of the upper and lower water pipes in the upper and lower regions, while absorbing the shock transmitted from the outside of the elastic spring and the buffer member and the iron plate spring bent in the "c" shape mounted on the inside, In addition, when an external force is applied, the buffering effect of absorbing the shock again as the tip 341 of the assembling protrusion 34 of the upper support 30 penetrates the cracked ground is temporarily acted as a complex vertical load. Even if concentrated, the water supply and sewage pipe connection part can cope with the vertical pressure is very useful invention having an effect such as preventing the connection of the water supply and sewage sewer pipe easily broken.

Claims (1)

Lower support 20 is installed horizontally on the surface of the ground to support the lower center of the outer circumferential surface of the water supply and sewage pipes 10, 10 'connected in the longitudinal direction, and the center of the water supply and sewage pipes 10, 10'. The upper support 30 is assembled to surround the upper side, and the receiving portion 51 and the receiving portion 51 is formed of elastic rubber to accommodate the connection portion 12 of the water and sewage pipes 10, 10 ' A pair of shock absorbing members 50a and 50b which are provided with hemispherical support portions 52 and 53, which surround a portion of the outer circumferential surface including the connecting portions of the upper and lower sewer pipes 10 and 10 ′ between the upper and lower supports 20 and 30. In the water and sewage pipe connection structure that is assembled, The lower support 20 is formed of a FRP material having an enclosure shape having an open portion of which the upper surface is opened, but a plurality of fixing portions 22 on the bottom surface of the accommodating portion 21 in which the buffer member 50a is received. Is fixed, and one side end of the elastic spring 40 is fixed to the fixing part 22 so that the elastic spring 40 supports the lower side of the shock absorbing member 50a. The guide grooves 24 formed on the inner sides of both support portions 23a and 23b are formed to penetrate to the lower side thereof, so that a part of the tip 341 of the assembly protrusion 34 fitted into the guide grooves 24 is broken. Through the ground, The upper surface of the upper support 30, which is assembled to the upper side of the lower support 20, is installed a leaf spring receiving portion 35, the leaf spring 70 is seated, a pair of leaf springs the center portion of which is bent into a "ㄷ" shape The base member 60 is seated together with the 70, The base member 60 penetrates through the assembly hole 62 of the assembly portion 61 in which the pin shaft 63 penetrating the fixing hole 36 of the leaf spring receiving portion 35 is formed at the center bottom thereof. 63) The water and sewage pipe connecting structure provided with the connection breakage prevention device, characterized in that the both sides of the base member (60) is configured to move on both sides while forming the elasticity of the leaf spring (70).

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