KR100680247B1 - Device for adjusting the height of underground pipe and preventing it from inequablly sinking - Google Patents

Abstract

A device for controlling height of underground buried pipes and preventing differential settlement of the pipe is provided to easily adjust height, horizontalness, and straightness of the pipe connected-part and improve connecting efficiency of the pipe-connected part by excluding differential settlement through the foundation lattice plate. A device for controlling height of underground buried pipes(P) and preventing differential settlement of the pipes comprises a lattice plate(10) where vertical plates are formed with a lattice structure and a predetermined size; a pair of rails(20) horizontally installed on the upper side of the lattice plate; two pairs of wedges(30) integrally projected with uneven parts corresponded to the shapes of the uneven parts of the rail on the lower horizontal surface, inserted in both inner sides of the rails, and mounted to be horizontally moved; and a pipe support(40) laid on the both slopes of the wedges. Holes are formed at both sides of the pipe supports, and cylindrical auxiliary connecting rods(50) are inserted in the faced holes.

Description

Device for adjusting the height of underground pipe and preventing it from inequablly sinking}

1 is a perspective view showing a hypothetical state of a tube according to the prior art

Figure 2a is a cross-sectional view showing a pipe construction state of the prior art according to FIG.

Figure 2b is a front view illustrating the installation state when the center height of the tube in Figure 2a is low

Figure 2c is a front view illustrating the installation state when the center height of the tube in Figure 2a is high

Figure 3 is a perspective view showing a hypothetical state of the tube according to the present invention

4 is an exploded perspective view showing the components of FIG. 3 separately;

Figures 5a and 5b is a cross-sectional view showing a temporary state of the tube according to the present invention

Figure 6 is a cross-sectional view illustrating a state of adjusting the height of the pipe support using a wedge applied in another embodiment to the present invention

7a and 7b are cross-sectional views showing the wedge and the wedge moving means applied to another embodiment of FIG.

<Description of Symbols for Main Parts of Drawings>

10: grid 20: vertical 20: rail

21, 31: uneven part 22: threaded pipe 22a: round bar

22b: screw portion 30: wedge 32: side wall

33: Nut Attached Tube 33a: Nut 33b: Cylindrical Pipe

40: pipe support 41: groove 42: inclined surface

43: hole 50: auxiliary connecting rod P: pipe

The present invention relates to supporting pipe joints by installing them in the lower part of pipe joints in buried construction of various sewer pipes, water pipes, gas pipes, communication pipes, etc., which are installed underground, and more specifically, installation of pipe joints. The present invention relates to a device for adjusting height and preventing inequality of an underground buried pipe to facilitate height adjustment and to prevent inequality of pipe connection.

In general, when laying underground buried pipes such as various sewer pipes, water pipes, and telecommunication pipes, a digging operation is performed to excavate the ground to a required depth along the pipeline.

After digging, the bottom surface of the ditch is chopped with a floor-elevating material such as sand to support the pipe.

Then, after laying a plurality of pipes in a horizontal line in a state in which the pipe connection portion is closely connected to each other in a horizontal state, and laid back, the backfill work is completed to complete the installation of underground buried pipe.

The buried construction of the conventional general underground buried pipes as described above is a method of laying the pipes as they are connected after the digging and simple floor raising work without installing a special support reinforcement on the pipe connection part connected to each other. It is carried out.

As a result, if the groove bottom to which the pipe is buried is uneven, the installation work to match the level and height of the pipe is difficult, and the work efficiency of the pipe is lowered because it causes labor loss more than necessary when installing the pipe. There was a problem.

In addition, there is a problem that the separation and cracking of the pipe joint occurs when the differential settlement occurs due to the ground weakening of the point where the pipe is buried.

On the other hand, there is a conventional Korean Utility Model Publication No. 20-0164174 to solve the above problems.

 In the prior art, when constructing the support stand of the pipe for underground laying, the support lever 3a is protruded at the lower part, and the upper part protrudes the support lever 3b having the arc surface 2 and the slide surface 2a. It forms a triangular stand 1, the wedge-shaped mount (5) having a space portion (5a) and the arc-shaped surface (5b) on the slide surface (2a), and horizontally laid in the buried pipe, the three angles The central hole (3) in the center of the base (1) to provide a secondary connecting rod (6) to provide a protective stand for the underground buried pipe body configured to support the joint portion of the pipe from the bottom.

The embedding of the tube according to the prior art, after chopping the bottom surface of the excavated trench, the triangular mounts (1) are positioned symmetrically to each other on the left and right sides of the welded portion, the support lever of the triangular mount (1) facing ( The through holes 4 formed in 3b) are connected to the anchor pins 7 to fix the separation distances of the tripods 1.

Then, after placing the pipe (P) on the arc-shaped ground surface (2) of the triangular stand (1) and after the welding operation, the wedge-shaped stand (5) between the side of the pipe (P) and the triangular stand (1) Install on.

After repeating the work as described above, after finishing work with the triangular stand, the burial of the pipe is completed by backfilling the soil dug into the ditch.

This prior art is that the wedge-shaped mounts 5 installed between the side of the protective mount pipe (P) and the triangular mounts of the underground buried pipe body to suppress the horizontal flow of the pipe (P) to reduce the horizontal relaxation of the weld site There is an advantage to prevent.

However, when the protective stand of the underground buried pipe according to the prior art is installed after the pipe P is installed and the vertical load according to the traffic of the vehicle P on the ground is applied to the upper part of the pipe P, 3 The load is concentrated at four points, the ends of the supporting levers 3a of each stand 1, so that the supporting levers 3a dig into the bottom of the trench so that the triangular stand 3a and the pipe P are not equal together. There is a problem that the welded area is spaced apart or broken by settlement.

In addition, as shown in Figures 2b and 2c, when the height of the bottom surface of the groove is changed according to the installation conditions of the tube, the center distance (h) of the bottom surface of the groove also changes, so that the distance between the three stand This causes the anchor pins (7) to have different types of anchor pins (7a) (7b) having different lengths to have a separation distance between the maximum separation distance and the minimum separation distance to the anchor pin (7) components Of course, the production cost of the increase, as well as unnecessary anchor pins to be prepared in case will cause waste of materials.

In addition, connecting the tripods by selecting the anchor pins (7a) (7b) according to the changed separation distance must be manually checked and connected to the installation of the protection stand of the underground buried pipe is very difficult.

Therefore, the protective stand of the underground buried pipe according to the prior art is unevenly settled together with the pipe and the triangular stand when the vertical load is generated by vehicle traffic on the upper part of the pipe, so that the joint area is spaced apart or damaged, thereby deteriorating the structural stability of the pipe connection area. If the installation height of the pipe is changed, the anchor pins must be manufactured according to the changed separation distance, and the anchor pins must be selected accordingly to connect the tripods, thereby degrading the economics and constructability of the conduit.

The present invention has been made to solve the above-mentioned problems of the prior art, the base grating and the height adjustment wedge in the lower part of the pipe connection part when buried construction of various sewer pipes and water pipes, gas pipes, communication pipes buried underground The purpose of the present invention is to prevent the uneven settlement of the pipe connection area and to provide a device for adjusting the height of the underground buried pipe and to prevent the uneven settlement of the pipe connection area.

Another object of the present invention is to install the height of the underground buried pipe for smoothly adjusting the height of the pipe connection through the structure formed by inserting the nut attachment shaft to the height adjustment wedge and inserting the screw attachment shaft in the nut attachment shaft It is to provide a device for preventing adjustment and inequality.

Still another object of the present invention is to provide an apparatus for adjusting the height of an underground buried pipe for supporting the welded portion more stably by installing an auxiliary connector on the pipe support installed on both sides of the welded portion.

In order to achieve the above object, the installation of the underground buried pipe according to the present invention, the height adjustment and the prevention of uneven settlement, are installed in the lower part of the underground buried pipe connection part to support the pipe. It is formed, the grating plate is installed on the bottom surface of the trench excavated along the pipeline to prevent inequality of the pipe connection portion; On the inner horizontal surface of the channel formed to a predetermined length, a plurality of tooth-shaped uneven parts each having a predetermined tooth angle and pitch along the longitudinal direction from the center portion to both sides are integrally protruded in the width direction. A pair of rails each provided in a transverse direction on an upper surface of the grating; It is formed to have the same width as the inner width of the rail, and the lower unevenness of the shape corresponding to the shape of the uneven portion of the rail integrally protrudes, and a pair of side walls on the upper inclined surface along the longitudinal direction of the inclined surface respectively on both sides Two pairs of wedges which are integrally protruded and are inserted into both inner sides of the rails and installed to move in a horizontal direction; The groove is formed to have the same width as the inner width of the inclined surface of the wedge and the groove for directly supporting the pipe is dug in the shape of an arc groove, and the inclined surface corresponding to the inclined surface of the wedge is formed at both corners of the lower surface. And a tube support mounted on both inclined surfaces of the wedges to be moved in the vertical direction by the horizontal movement of the wedge.

In addition, the present invention is inserted into the nut tube formed by welding a cylindrical pipe on both ends of the nut of the predetermined length in the longitudinal direction in the lower side of the wedge formed integrally with the wedge, each symmetrical in both directions at the central portion of the round bar Both ends of the screwing shaft are fitted to the nut attaching pipes of the wedges facing the threading shafts formed with the screw-shaped threads formed so that the wedges are easily moved horizontally on the rail by the rotation of the screwing shafts. Has one feature.

According to the present invention having the characteristics as described above to prevent the uneven settlement of the pipe joint to improve the structural stability of the underground buried pipe, to facilitate the adjustment of the height of the pipe to improve the workability of the pipe.

In addition, it is possible to easily adjust the height of the pipe by moving the wedge on both sides through the screwing shaft at the same time.

Hereinafter, the technical configuration of the present invention will be described in more detail with reference to the accompanying drawings in accordance with embodiments of the present invention.

3 to 5b illustrate one embodiment of the present invention.

As shown in these drawings, the installation height adjustment and the uneven settlement prevention device of the underground buried pipe according to the present invention, the grating plate (10) installed on the bottom surface of the trench excavated along the pipeline to prevent the uneven settlement of the pipe connection portion ), Rails 20 installed in the transverse direction on top of the grating plate 10, wedges 30 inserted into the inner surface of the rail 20 to be movable in a horizontal direction, and the It is mounted between the two inclined surfaces of the wedges 30 to directly support the pipe and consists of a pipe support 40 which is vertically moved by the horizontal movement of the wedges 30.

The grid plate 10 is a vertical plate 11 of a predetermined size is made of a grid structure like the joint of the cross-shaped checkerboard.

In addition, although the lattice structure formed by the vertical plates 11 is illustrated as a square lattice structure in the present invention, it may be in any form such as a rectangular or rhombus or triangular lattice structure.

The grid 10 is installed in contact with the bottom surface of the excavated trench to serve as a foundation for preventing the uneven settlement of the pipe and the installation height adjustment device of the pipe connection portion installed on the top.

Rail 20 is formed in a channel (Channel) shape having a predetermined width and height, the length is preferably formed to be the same as the transverse length of the grid 10, the transverse length of the grid 10 It may be longer or shorter.

In addition, the uneven parts 21 of the shape symmetrical along the longitudinal direction from the center portion to the both sides are protruded integrally in the width direction on the inner horizontal surface of the rail 20.

At this time, it is preferable that the uneven portion 21 is formed in a sawtooth cross-sectional shape having a predetermined tooth angle and pitch.

The rails 20 are respectively positioned on both lower sides of the pipe connection part and are installed to be mounted on the upper surface of the grating 10 in the transverse direction.

The wedge 30 is formed as a wedge shape of the overall shape as shown, consists of a horizontal plane formed in the horizontal direction and an inclined surface formed to be inclined at a predetermined angle from one side of the horizontal plane.

At this time, the width of the wedge 30 is preferably formed to be the same as the inner width of the rail 20 or slightly smaller, so that the wedge 30 is able to move smoothly inside the rail (20).

In addition, a tooth-shaped uneven portion 31 corresponding to the shape of the uneven portion 21 of the rail 20 integrally protrudes from the horizontal surface of the wedge 30, and integrally protrudes from both side surfaces in the width direction of the inclined surface. A pair of side walls 32 are formed.

The wedges 30 are mounted on the upper surface of both sides of the uneven portion 21 of the rail 20, respectively, so that the wedges 30 are horizontally movable in the center direction.

On the other hand, the shape of the concave-convex portion 21, 31 of the rail 20 and the wedge 30 is preferably to reduce the tooth angle and narrow the pitch so as to facilitate the movement of the wedge on the rail (20).

In addition, the shape of the uneven parts 21 and 31 of the rail 20 and the wedge 30 is formed in the shape of an arc cross section, so that the movement of the wedge 30 has a cross-sectional shape of the uneven parts 21 and 31. When the cross-sectional shape may be more smoothly moved in the left and right directions.

Tube support 40 is formed in a rectangular body, the overall shape is formed in the center of the upper surface of the groove 41 which is dug into an arc-shaped groove equal to the outer diameter of the pipe (P) to directly support the tube (P) in close contact. And the lower both side edge portion is formed with an inclined surface 42 which is cut at the same inclination angle as the inclined surface of the wedge (30).

The width of the pipe support 40 is preferably equal to or slightly smaller than the inner width of the inclined surface of the wedge 30 to facilitate the movement of the pipe support 40.

In addition, the pipe support 40 forms a plurality of holes 43 that are drilled in the width direction, and improves the supporting force of the pipe support by inserting auxiliary connecting rods 50 having a cylindrical shape into the facing holes 43. It is preferable to make it.

At this time, the auxiliary connecting rod 50 may be formed in a shape such as a round bar or a cylindrical pipe, but may be made of a material such as synthetic resin or metal.

The pipe support 40 is installed between both inclined surfaces of the wedge 30 so as to be movable in the vertical direction by the horizontal movement of the wedge 30.

6-7b show another embodiment of the present invention.

In this embodiment, as shown in addition to the configuration of the embodiment described above, the nut attachment pipe 33 is formed integrally by inserting the nut attachment pipe 33 inside the lower side of the wedge 30, and the nut attachment pipe of the wedge 30 facing each other ( Inserting the screwing shaft 22 in the 22) is characterized in that the wedges facing by the rotational movement of the screwing shaft 22 is simultaneously horizontally moved in both directions from both sides.

The screwing shaft 22 is composed of a round bar 22a having a predetermined length and a threaded portion 22b having a screw curve protruding symmetrically in both directions from a central portion of the round bar 22a.

At this time, it is preferable that the handle H is installed at one end of the screwing shaft 22 to smoothly rotate the screwing shaft 22.

The nut attaching tube 33 is formed by welding a cylindrical pipe 33b to both ends of a nut 33a of a predetermined length and inserting the same into the lower side of the wedge 30.

Here, it is clear that only the nut 33a of the nut attaching tube 33 is inserted into the lower side of the wedge 30, and a technical configuration in which a through hole is formed to the left and right of the nut may be applied.

The nut curve of the nut fitting pipe 33, the nut 33a and the threaded portion 22b of the screwing shaft 22 is a round hole in the shape of a triangular screw, an angle screw, a trapezoidal screw, a toothed screw, a round screw, and the like. It is formed by cutting along the inner circumferential surface or the outer circumferential surface of the round bar.

The nut 33a and the screwing shaft 22 of the nut attaching tube 33 may be manufactured using an existing product.

In addition, the bottom of the tube support 40 is dug along the longitudinal direction of the lower bottom of the tube support 40 so that when the tube support 40 is placed on the inclined surface of the wedge facing each other, the bottom of the tube support 40 and the screwing shaft ( It is natural to prevent the contact 22).

The present invention constituted as described above is to be installed in the lower portion of the connection portion of the underground buried pipe to adjust the height of the installation of the underground buried pipe and to prevent the uneven settlement of the pipe, the construction method thereof is as follows.

First, the trench for embedding the pipe (P) in the ground is excavated by excavating the ground along the pipeline in the usual way to work digging.

After the digging operation, the bottom surface of the excavated trench is chopped, and then the base grating 10 is installed at the lower portion of the pipe connection portion at the top of the bottom surface to complete the foundation work of the trench bottom.

Next, the rails are placed on both sides of the pipe connecting portion in the transverse direction on the upper part of the grid plate 10, respectively.

Then, a pair of wedges 30 are placed on both sides of the inner surface of the rail 20 to face each other. At this time, the nut attachment pipe 33 of the wedge 30 is inserted and installed in the both sides of the screwing shaft 22, respectively.

Subsequently, the pipe support 40 is placed on the inclined surfaces of the both wedges 30, and the auxiliary support 50 is inserted into the hole 43 of the pipe support 40 to stably raise the pipe support 40. At this time, even if a vertical load is generated on the inclined surface of the wedge 30 through the pipe support 40, the wedge 30 is not separated from the left and right.

Next, the tube (P) is installed on the upper portion of the tube support 40, and the handle (H) of the screwing shaft 22 is rotated to precisely match the height and horizontality and verticality of the tube and then welded Do the work.

Repeat the above to complete the installation of the pipes to complete the pipe laying work by backfilling the soil dug in the trench again.

As described above, according to the installation height adjustment and uneven settlement prevention device of the underground buried pipe according to the present invention, even if the vertical load caused by the traffic, etc. after the pipe is buried, the height adjustment wedge and the pipe support structurally secure the pipe connection portion The support and the base grating plate prevents the uneven settlement of the pipe joints, thereby providing excellent durability to prevent the pipe joints from loosening or breaking.

In addition, the foundation work can be easily completed by installing the grid after digging, and the height, horizontal, and straightness of the pipe can be easily adjusted with the height adjustment wedge, thereby improving the connection efficiency of the pipe. .

In addition, it is possible to adjust the height of the tube more easily by moving the wedge in the left and right directions at the same time.

In addition, the grid plate, rail, height adjustment wedge, pipe support, etc. is made of synthetic resin material can be mass-produced by factory production can reduce the manufacturing cost of the parts.

Therefore, the installation height adjustment of the underground buried pipe according to the present invention and the prevention of uneven settlement is a useful invention having a very excellent effect such as greatly improving the stability of the buried pipe and the construction of the conduit.

Claims (3)

In supporting the pipe in the lower part of the underground buried pipe connection part, A lattice plate 10 having a predetermined size of vertical plates 11 formed in a lattice structure and installed on the bottom surface of the trench excavated along the conduit to prevent uneven settlement of the pipe connection portion; A plurality of tooth-shaped uneven parts 21 each having a predetermined tooth angle and pitch along the longitudinal direction from the central portion to the both sides of the inner horizontal surface of the channel formed to a predetermined length are integral in the width direction. A pair of rails 20 protruding from and installed in the transverse direction on the upper surface of the grating 10; It is formed to have the same width as the inner width of the rail 20, and the bottom uneven portion 31 of the shape corresponding to the shape of the uneven portion 21 of the rail 20 is integrally projected, one pair on the upper inclined surface Sidewalls 32 of the two pairs of wedges 30 protruding integrally along the longitudinal direction of the inclined surface, respectively, on both sides thereof and inserted into both inner sides of the rails 20 to be moved in a horizontal direction; The groove 41 is formed to have the same width as the inner width of the inclined surface of the wedge 30 to support the pipe directly in the center of the upper surface thereof is dug in the shape of an arc groove, and the wedge 30 at both edges of the lower surface. And an inclined surface 42 corresponding to the inclined surface of the pipe support 40 mounted on both inclined surfaces of the wedges 30 facing each other so as to be moved vertically by the horizontal movement of the wedge 30. Installation and adjustment of the height of the underground buried pipe and prevention of differential settlement. The nut attaching tube 33 formed by welding the cylindrical pipe 33b to both ends of the nut 33a of the predetermined length is inserted into the lower side of the wedge 30 in the longitudinal direction to form the wedge 30. Wedge 30 formed integrally with and facing threaded shaft 22 formed with screw-shaped threaded portions 22b which are formed symmetrically in both directions at central portions of annular rod 22a formed to a predetermined length. And both ends of the screwing shaft 22 are fitted to the nut tube 33 of (), so that the wedge 30 is moved horizontally on the rail 20 by the rotation of the screwing shaft 22. Installation and adjustment of the height of the underground buried pipe, characterized in that the prevention of differential settlement. The method according to claim 1, wherein the holes 43 are formed in each of the two sides of the pipe support 40 in the width direction, and the auxiliary connecting rods 50 having a cylindrical shape are connected to the holes 43 facing each other. Installation and adjustment of the height of the underground buried pipe characterized in that the prevention of differential settlement.

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