CN212804549U - Prestressed reinforced concrete jacking pipe - Google Patents

Abstract

The utility model discloses a prestressed reinforced concrete push pipe relates to the pipe laying field, including the push pipe, the push pipe is provided with the multiunit, and the both sides of multiunit push pipe all are provided with the connector, and are two sets of be provided with the connecting piece between the connector, and the connector is provided with the sawtooth groove, the bottom of connecting piece is located and is provided with the fastener between two sets of connectors. The utility model discloses a both sides at the push pipe all are provided with the connector, and the connector is provided with the sawtooth groove, be connected with the connecting piece through the connector between the multiunit push pipe, and the connecting piece is provided with sawtooth groove matched with sawtooth, the sawtooth makes the multiunit push pipe be difficult for droing after being connected with the sawtooth groove cooperation, lay when the push pipe and accomplish the back, through going into the gusset plate between two sets of push pipe inner walls, and U type groove and fastener offset, make between the multiunit push pipe fixed, thereby when making the entry driving machine drive the push pipe, be difficult for the slippage between push pipe and the push pipe, make the entry driving machine conveniently drive the push pipe and lay forward.

Description

Prestressed reinforced concrete jacking pipe

Technical Field

The utility model relates to a pipe laying field specifically is a prestressed reinforced concrete push pipe.

Background

The reinforced concrete pipe jacking is a blow-off pipe formed by stirring cement, steel bars, sand, stones and the like serving as raw materials by a centrifugal machine, is mainly used for drainage tasks of urban rainwater, sewage, farmland irrigation and drainage and the like, is a non-excavation tunneling pipe jacking technology for municipal construction, and has the advantages that the surrounding environment is not influenced or the influence is small, the construction site is small, the noise is low, the technical defects of pipe jacking, such as long construction time, high engineering cost and the like, are overcome.

When the existing prestressed reinforced concrete jacking pipe drives the jacking pipe to be pulled forwards by the tunneling machine, the jacking pipe and the jacking pipe are easy to slip, so that the tunneling machine is inconvenient to drive the jacking pipe to be laid forwards, and in the use process of the existing prestressed reinforced concrete jacking pipe, the bottom of the jacking pipe is easy to deform due to pulling force, so that the quality problem of a pipeline is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that when an existing jacking pipe drives the jacking pipe to be pulled forwards by a tunneling machine, the jacking pipe and the jacking pipe are easy to slip, the tunneling machine is inconvenient to drive the jacking pipe to be laid forwards, and in the use process of the existing jacking pipe, the bottom of the jacking pipe is easy to deform due to pulling force, so that the quality of a pipeline is poor, the prestressed reinforced concrete jacking pipe is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a prestressed reinforced concrete jacking pipe comprises jacking pipes, wherein a plurality of groups of jacking pipes are arranged, connectors are arranged on two sides of the jacking pipes, a connecting piece is arranged between the two groups of connectors, and the connectors are provided with sawtooth grooves, the bottom of the connecting piece is positioned between the two groups of connectors and is provided with a clamping piece, and the connecting piece is provided with sawteeth matched with the sawtooth grooves, the inner wall of the joint of the two groups of the jacking pipes is embedded with a reinforcing plate, the bottom of the reinforcing plate is provided with a U-shaped groove matched with the clamping piece, the reinforcing plate is connected with a bolt in a threaded manner, the bolt extends to the inside of the connector, a supporting plate is arranged above the inside of the top pipe, a plurality of groups of triangular cylinders are arranged inside the supporting plate, a keel shaft is arranged below the inside of the top pipe, and keel frames are arranged on two sides of the keel shaft, and the keel shaft and the keel frames are internally provided with reinforcing cores.

Preferably, the reinforcing plate is provided with a screw groove, and a bolt is threadedly connected through the screw groove.

Preferably, reinforcing ribs are arranged inside the triangular cylinder, and the cross section of the supporting plate is in a semi-arc shape.

Preferably, the inner wall of the connector is provided with a groove, and the connector is clamped with a reinforcing plate through the groove.

Preferably, the first reinforcing mesh and the second reinforcing mesh are respectively arranged above and below the supporting plate in the top pipe, and the cross sections of the first reinforcing mesh and the second reinforcing mesh are both annular.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a both sides at the push pipe all are provided with the connector, and the connector is provided with the sawtooth groove, be connected with the connecting piece through the connector between the multiunit push pipe, and the connecting piece is provided with sawtooth groove matched with sawtooth, the sawtooth is difficult for droing after the multiunit push pipe is connected with the sawtooth groove cooperation, after the push pipe is laid and accomplish, through going into the gusset card between two sets of push pipe inner walls, and U type groove and fastener counterbalance, make between the multiunit push pipe fixed, thereby when making the entry driving machine drive the push pipe, be difficult for the slippage between push pipe and the push pipe, make the entry driving machine conveniently drive the push pipe and lay forward;

2. the utility model discloses a top in the inside of push pipe is provided with the backup pad, increase the compressive strength at push pipe top through the backup pad, and the inside of backup pad is provided with the multiunit triangle section of thick bamboo, because the triangle-shaped structure is comparatively stable, thereby strengthen the holding power of backup pad, be provided with keel shaft through the below in the inside of push pipe, keel shaft's both sides are provided with multiunit keel frame, and keel shaft all is provided with keel frame's inside and consolidates the core, thereby increase keel shaft and keel frame's stretching resistance, compressive strength through increasing push pipe top, improve the stretching resistance of push pipe bottom, thereby make the bottom of push pipe be difficult for receiving the pulling force and produce deformation, avoid appearing quality problems in the pipeline use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is a top view of the present invention.

In the figure: 1. jacking pipes; 2. a connector; 3. a sawtooth groove; 4. a connecting member; 5. saw teeth; 6. a fastener; 7. a groove; 8. a reinforcing plate; 9. a U-shaped groove; 10. a bolt; 11. a first reinforcing mesh; 12. a second reinforcing mesh; 13. a support plate; 14. a triangular cylinder; 15. reinforcing ribs; 16. a keel shaft; 17. a keel frame; 18. reinforcing the core; 19. a thread groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-3, a prestressed reinforced concrete push pipe comprises a push pipe 1, wherein the push pipe 1 is provided with a plurality of sets, and the two sides of the plurality of sets of push pipes 1 are both provided with connectors 2, a connecting member 4 is arranged between two sets of connectors 2, the connectors 2 are provided with sawtooth grooves 3, the bottom of the connecting member 4 is provided with a fastener 6 between the two sets of connectors 2, the connecting member 4 is provided with sawteeth 5 matched with the sawtooth grooves 3, the inner wall of the joint of the two sets of push pipes 1 is embedded with a reinforcing plate 8, the bottom of the reinforcing plate 8 is provided with a U-shaped groove 9 matched with the fastener 6, the reinforcing plate 8 is in threaded connection with a bolt 10, the bolt 10 extends into the connectors 2, a support plate 13 is arranged above the interior of the push pipe 1, a plurality of triangular tubes 14 are arranged inside the support plate 13, a keel shaft 16 is arranged below the interior of the push pipe 1, and keel shafts, the keel shaft 16 and the keel frame 17 are both internally provided with a reinforcing core 18.

The utility model discloses a both sides at push pipe 1 all are provided with connector 2, and connector 2 is provided with sawtooth groove 3, be connected with connecting piece 4 through connector 2 between the multiunit push pipe 1, and connecting piece 4 is provided with sawtooth groove 3 matched with sawtooth 5, sawtooth 5 makes multiunit push pipe 1 be connected the back difficult drop with the cooperation of sawtooth groove 3, lay when push pipe 1 and lay and accomplish the back, through going into between two sets of push pipe 1 inner walls with 8 cards of gusset plate, and U type groove 9 offsets with fastener 6, make between the multiunit push pipe 1 fixed, thereby make the entry driving machine drive push pipe 1 when, be difficult for the slippage between push pipe 1 and the push pipe 1, make the entry driving machine conveniently drive push pipe 1 and lay forward.

Please refer to fig. 1, the reinforcing plate 8 is provided with a thread groove 19, and a bolt 10 is connected to the reinforcing plate through the thread groove 19, the utility model discloses a be provided with the thread groove 19 at the reinforcing plate 8, and have the bolt 10 through the thread groove 19 threaded connection, thereby make the better threaded connection of reinforcing plate 8 have the bolt 10.

Please refer to fig. 2, the inside of the triangular cylinder 14 is provided with the reinforcing rib 15, the cross section of the supporting plate 13 is semi-arc shaped, the utility model discloses a be provided with the reinforcing rib 15 in the inside of the triangular cylinder 14, the cross section of the supporting plate 13 is semi-arc shaped, thereby improve the intensity of the triangular cylinder 14, and the semi-arc shape of the supporting plate 13 makes the compressive area of the supporting plate 13 bigger.

Please refer to fig. 1, the inner wall of the connector 2 is provided with a groove 7, and the connector 2 is fastened with a reinforcing plate 8 through the groove 7, the utility model discloses an inner wall of the connector 2 is provided with the groove 7, and the connector 2 is fastened with the reinforcing plate 8 through the groove 7, thereby making the better fastening reinforcing plate 8 of the connector 2.

Please refer to fig. 1 and fig. 2, the first steel bar mesh 11 and the second steel bar mesh 12 are respectively disposed above and below the supporting plate 13 inside the top pipe 1, and the cross sections of the first steel bar mesh 11 and the second steel bar mesh 12 are both annular, the utility model discloses a first steel bar mesh 11 and the second steel bar mesh 12 are respectively disposed above and below the supporting plate 13 inside the top pipe 1, and the cross sections of the first steel bar mesh 11 and the second steel bar mesh 12 are both annular, thereby improving the overall strength of the top pipe 1.

The working principle is as follows: when in use, the connectors 2 are arranged on two sides of the top pipes 1, the connectors 2 are provided with the sawtooth grooves 3, the connecting pieces 4 are connected among a plurality of groups of the top pipes 1 through the connectors 2, the connecting pieces 4 are provided with the sawteeth 5 matched with the sawtooth grooves 3, the sawteeth 5 are matched with the sawtooth grooves 3, so that the plurality of groups of the top pipes 1 are not easy to fall off after being connected, when the top pipes 1 are laid and laid, the reinforcing plate 8 is clamped between the inner walls of the two groups of the top pipes 1, and the U-shaped groove 9 is abutted against the clamping piece 6, so that the plurality of groups of the top pipes 1 are fixed, when the heading machine drives the top pipes 1, the top pipes 1 are not easy to slip, the heading machine conveniently drives the top pipes 1 to be laid forwards, the supporting plate 13 is arranged above the inner parts of the top pipes 1, the compressive strength of the top parts of the top pipes 1 is increased through the, because the triangle-shaped structure is comparatively stable, thereby strengthen the holding power of backup pad 13, below through the inside at push pipe 1 is provided with keel shaft 16, keel shaft 16's both sides are provided with multiunit keel frame 17, and keel shaft 16 all is provided with reinforced core 18 with keel frame 17's inside, thereby increase keel shaft 16 and keel frame 17's stretching resistance, through the compressive strength who increases push pipe 1 top, improve the stretching resistance of push pipe 1 bottom, thereby make push pipe 1's bottom be difficult for receiving the pulling force and produce deformation, quality problems appears in the avoiding pipeline use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides a prestressed reinforced concrete push pipe, includes push pipe (1), its characterized in that: the multi-group combined type pipe jacking device is characterized in that the pipe jacking (1) is provided with a plurality of groups, the two sides of the multi-group pipe jacking (1) are provided with connectors (2), two groups of connectors (4) are arranged between the connectors (2), the connectors (2) are provided with sawtooth grooves (3), the bottom of each connector (4) is arranged between the two groups of connectors (2) and is provided with a clamping piece (6), the connectors (4) are provided with sawteeth (5) matched with the sawtooth grooves (3), reinforcing plates (8) are embedded into the inner walls of the joints of the two groups of pipe jacking (1), the bottom of each reinforcing plate (8) is provided with a U-shaped groove (9) matched with the clamping piece (6), each reinforcing plate (8) is in threaded connection with a bolt (10), each bolt (10) extends into the connectors (2), a supporting plate (13) is arranged above the inner part of the pipe jacking pipe (1), and a plurality, the pipe jacking device is characterized in that a keel shaft (16) is arranged below the inner part of the pipe jacking (1), keel frames (17) are arranged on two sides of the keel shaft (16), and cores (18) are arranged and reinforced in the keel shaft (16) and the keel frames (17).

2. The prestressed reinforced concrete jacking pipe as claimed in claim 1, wherein: the reinforcing plate (8) is provided with a thread groove (19), and a bolt (10) is connected with the thread groove (19) in a threaded manner.

3. The prestressed reinforced concrete jacking pipe as claimed in claim 1, wherein: reinforcing ribs (15) are arranged inside the triangular cylinder (14), and the cross section of the supporting plate (13) is in a semi-arc shape.

4. The prestressed reinforced concrete jacking pipe as claimed in claim 1, wherein: the inner wall of connector (2) is provided with groove (7), and connector (2) have gusset plate (8) through groove (7) block.

5. The prestressed reinforced concrete jacking pipe as claimed in claim 1, wherein: a first reinforcing mesh (11) and a second reinforcing mesh (12) are respectively arranged above and below the supporting plate (13) in the jacking pipe (1), and the cross sections of the first reinforcing mesh (11) and the second reinforcing mesh (12) are annular.

Images