CN210264742U - Double-layer grouting guide pipe - Google Patents

Abstract

The utility model discloses a double-deck slip casting pipe, including first slip casting pipe and second slip casting pipe, the outer skin weld of first slip casting pipe and second slip casting pipe has the outer tube, and has seted up the slip casting hole on first slip casting pipe and the second slip casting pipe, fourth connecting thread has been seted up at the both ends of first slip casting pipe and second slip casting pipe, the second slip casting pipe pass through the attach fitting with first slip casting pipe is connected, and attach fitting is connected with fourth connecting thread, the outside cover of attach fitting has the connection fastener, first support frame has all been welded to the one end inside of first slip casting pipe and second slip casting pipe, the middle welding of first support frame has the pipe end cap. A double-deck slip casting pipe, better connectivity has, prevent that the connector from appearing connection fracture and the screw ring and taking place the condition of reverse rotation, the reinforcing mixes the intensity between earth and the hole.

Description

Double-layer grouting guide pipe

Technical Field

The utility model relates to a slip casting pipe field, in particular to double-deck slip casting pipe.

Background

The grouting pipe is a pre-buried grouting pipe system, is used for permanent sealing of construction joints, cold joints, pipe seepage joints, gaps between ground walls and the like in concrete, is very suitable for mounting the grouting pipe between joints of new concrete and old concrete, can seal the joints by injecting grout into ports on the surface for plugging when water seeps into the joints, can perform grouting after concrete curing is finished in proper grouting time, and can also be used for making permanent sealing of the seepage joints. But current slip casting pipe has the connection insecure when connecting, connects the condition that has the seepage for a small amount of muddy earth after the pouring mixes earth flows from the interface, and power transmission descends when causing the transport, and during the pouring of top to one side mutually, mud can follow the pipe backward flow, causes to carry to mix earth more difficult, and the cement can't be carried to upper end slip casting pipeline even, and some pipelines need bury underground in the hole and form permanent seal, can not be fine at this moment with the pipeline with mix earth and hole mutually fuse.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a double-deck slip casting pipe, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a double-deck slip casting pipe, includes first slip casting pipe and second slip casting pipe, the outer skin weld of first slip casting pipe and second slip casting pipe has the outer tube, and has seted up the slip casting hole on first slip casting pipe and the second slip casting pipe, fourth connecting thread has been seted up at the both ends of first slip casting pipe and second slip casting pipe, the second slip casting pipe pass through connector with first slip casting pipe is connected, and connector is connected with fourth connecting thread, connector's outside cover has the connection fastener, first slip casting pipe and the inside first support frame that has all welded of one end of second slip casting pipe, the middle welding of first support frame has the pipe end cap.

Preferably, the connecting joint comprises a first connecting thread, a first connecting piece, a matching inner pipe, a sealing washer, a threaded ring, a conical surface, an elastic groove, a sealing groove, a second connecting thread, a second connecting piece and a third connecting thread, the first connecting piece is fixed with the first grouting guide pipe through the first connecting thread, the second connecting piece is connected with the second grouting guide pipe through the third connecting thread, the matching inner pipe is arranged on the first connecting piece, the sealing groove and the second connecting thread are formed in the surface of the second connecting piece, the sealing washer is arranged on the sealing groove, the threaded ring is installed on the second connecting thread through connection, the threaded ring moves along the second connecting thread, the connecting fastener is tightly clamped on the threaded ring, the conical surface is arranged at the upper end of the second connecting piece, the elastic groove is formed in the conical surface, the fitting inner tube is fitted with the inside of the second connecting member.

Preferably, the connecting fastener comprises a hinge, a first fixed half ring, a first sealed half ring, a second fixed half ring and a fixing bolt, wherein the first fixed half ring is connected with the second fixed half ring through the hinge, the first fixed half ring is fixed with the second fixed half ring through the fixing bolt, the inner surfaces of the first fixed half ring and the second fixed half ring are respectively provided with the first sealed half ring and the second sealed half ring, and the first sealed half ring and the second sealed half ring are attached to the connecting joint.

Preferably, the conduit plug comprises a metal soft bag, a first expansion spring, a feed inlet, a limiting plate, a first middle hole, a discharge outlet, compressed gas, a fixed block, a connecting rod, a conical plug, a second middle hole, a spherical plug and a second expansion spring, a metal soft bag is arranged above the inside of the fixed block, compressed gas is filled in the metal soft bag, a connecting rod is arranged in the fixed block and below the metal soft bag, a limiting plate and a conical plug are arranged on the connecting rod, the connecting rod is provided with a first telescopic spring, the conical plug is contacted with the second middle hole, a second extension spring is arranged below the fixed block, one end of the second extension spring is provided with a spherical plug, the spherical plug is in contact with the first middle hole, and a feed inlet and a discharge outlet are formed in the upper side and the lower side of the first support frame on the fixing block.

Preferably, the outer tube includes limit curb plate, second support frame, fixed orifices and spliced pole, the welding has three second support frame on first slip casting pipe and the second slip casting pipe, second support frame evenly distributed, all welded the limit curb plate on the second support frame, the fixed orifices has been seted up on the limit curb plate, the inside of fixed orifices is provided with the spliced pole.

Preferably, the first grouting guide pipe and the second grouting guide pipe are located in the hole, and concrete is injected into the first grouting guide pipe and the second grouting guide pipe.

Preferably, both ends of the connection joint are connected with the fourth connection thread.

Compared with the prior art, the utility model discloses following beneficial effect has: the double-layer grouting guide pipe can firmly connect each grouting pipeline through the additionally arranged connecting joint, has better connectivity, and prevents the connecting joint from being broken under the heavy pressure of concrete;

by adopting the connecting fastener, the connecting joint can be further fixed, the connecting gap can be sealed, the situation that the threaded ring rotates reversely can be prevented, and the connecting fastener is more suitable;

through being provided with the pipe end cap, can prevent the mud of pouring into against the current, and guarantee to inject under the condition of great injection pressure, less injection pressure digs and injects, guarantees the adhesive force between the inside concrete.

Adopt the outer tube, can carry out effectual bonding with outer tube and muddy earth, the reinforcing is mixed intensity between earth and the hole, and the effect of use is better for traditional mode.

Drawings

Fig. 1 is a schematic view of the overall structure of a double-layer grouting guide pipe of the present invention;

fig. 2 is a schematic view of a joint structure of a double-layer grouting guide pipe of the present invention;

fig. 3 is a schematic view of a connecting fastener of a double-layer grouting guide pipe of the present invention;

fig. 4 is an internal schematic view of a conduit plug of a double-layer grouting conduit according to the present invention;

fig. 5 is a schematic view of an outer sleeve of a double-layer grouting pipe according to the present invention;

fig. 6 is a cross-sectional view of the outer sleeve of the double-layer grouting pipe of the present invention.

In the figure: 1. a first grouting conduit; 2. connecting a joint; 201. a first connecting thread; 202. a first connecting member; 203. fitting the inner tube; 204. a sealing gasket; 205. a threaded ring; 206. a conical surface; 207. a loosening and tightening groove; 208. a sealing groove; 209. a second connecting thread; 210. a second connecting member; 211. a third connecting thread; 3. connecting fasteners; 301. a hinge; 302. a first stationary half ring; 303. a first seal half ring; 304. a second seal half ring; 305. a second stationary half ring; 306. fixing the bolt; 4. a second grouting conduit; 5. a fourth connecting thread; 6. a first support frame; 7. a conduit plug; 701. a metal soft bag; 702. a first extension spring; 703. a feed inlet; 704. a limiting plate; 705. a first intermediate aperture; 706. a discharge port; 707. compressing the gas; 708. a fixed block; 709. a connecting rod; 710. a conical plug; 711. a second central bore; 712. a spherical plug; 713. a second extension spring; 8. an outer sleeve; 801. a side plate; 802. a second support frame; 803. a fixing hole; 804. connecting columns; 9. and (4) grouting holes.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

As shown in fig. 1 to 6, a double-layer grouting guide pipe comprises a first grouting guide pipe 1 and a second grouting guide pipe 4, wherein outer sleeves 8 are welded on the outer surfaces of the first grouting guide pipe 1 and the second grouting guide pipe 4, grouting holes 9 are formed in the first grouting guide pipe 1 and the second grouting guide pipe 4, fourth connecting threads 5 are formed at two ends of the first grouting guide pipe 1 and the second grouting guide pipe 4, the second grouting guide pipe 4 is connected with the first grouting guide pipe 1 through a connecting joint 2, the connecting joint 2 is connected with the fourth connecting threads 5, a connecting fastener 3 is sleeved outside the connecting joint 2, a first support 6 is welded inside one end of each of the first grouting guide pipe 1 and the second grouting guide pipe 4, and a guide pipe plug 7 is welded in the middle of the first support 6;

the connecting joint 2 comprises a first connecting thread 201, a first connecting piece 202, a matching inner pipe 203, a sealing washer 204, a threaded ring 205, a conical surface 206, an elastic groove 207, a sealing groove 208, a second connecting thread 209, a second connecting piece 210 and a third connecting thread 211, wherein the first connecting piece 202 is fixed with the first grouting guide pipe 1 through the first connecting thread 201, the second connecting piece 210 is connected with the second grouting guide pipe 4 through the third connecting thread 211, the matching inner pipe 203 is arranged on the first connecting piece 202, the surface of the second connecting piece 210 is provided with the sealing groove 208 and the second connecting thread 209, the sealing washer 204 is arranged on the sealing groove 208, the threaded ring 205 is arranged on the second connecting thread 209 through connection, the threaded ring 205 moves along the second connecting thread 209, the connecting fastener 3 is clamped on the threaded ring 205, the upper end of the second connecting piece 210 is provided with the conical surface 206, the elastic groove 207 is arranged on the conical surface 206, the fitting inner tube 203 is fitted with the inside of the second connector 210; the connecting fastener 3 comprises a hinge 301, a first stationary half ring 302, a first seal half ring 303, a second seal half ring 304, a second stationary half ring 305 and a fixing bolt 306, wherein the first stationary half ring 302 is connected with the second stationary half ring 305 through the hinge 301, the first stationary half ring 302 is fixed with the second stationary half ring 305 through the fixing bolt 306, the first seal half ring 303 and the second seal half ring 304 are respectively arranged on the inner surfaces of the first stationary half ring 302 and the second stationary half ring 305, and the first seal half ring 303 and the second seal half ring 304 are attached to the connecting joint 2; the conduit plug 7 comprises a metal soft bag 701, a first telescopic spring 702, a feed inlet 703, a limiting plate 704, a first middle hole 705, a discharge outlet 706, compressed gas 707, a fixed block 708, a connecting rod 709, a conical plug 710, a second middle hole 711, a spherical plug 712 and a second telescopic spring 713, a metal soft bag 701 is arranged above the inside of the fixed block 708, compressed gas 707 is filled in the metal soft bag 701, a connecting rod 709 is arranged below the metal soft bag 701 in the fixed block 708, a limiting plate 704 and a conical plug 710 are arranged on the connecting rod 709, a first expansion spring 702 is arranged on the connecting rod 709, the conical plug 710 is in contact with a second middle hole 711, a second expansion spring 713 is arranged below the fixed block 708, a spherical plug 712 is arranged at one end of the second expansion spring 713, the spherical plug 712 is in contact with the first middle hole 705, and a feed port 703 and a discharge port 706 are arranged on the fixed block 708 at the upper side and the lower side of the first support 6; the outer sleeve 8 comprises an edge side plate 801, second support frames 802, fixing holes 803 and a connecting column 804, the three second support frames 802 are welded on the first grouting guide pipe 1 and the second grouting guide pipe 4, the second support frames 802 are uniformly distributed, the edge side plate 801 is welded on each second support frame 802, the fixing holes 803 are formed in the edge side plate 801, and the connecting column 804 is arranged inside the fixing holes 803; the first grouting guide pipe 1 and the second grouting guide pipe 4 are positioned in the holes, and concrete is injected into the first grouting guide pipe 1 and the second grouting guide pipe 4; both ends of the connection joint 2 are connected with the fourth connection thread 5.

It should be noted that, the utility model relates to a double-layer grouting conduit, when manufacturing the grouting conduit, the first support frame 6 is welded inside one end hole of the grouting conduit, then the conduit plug 7 is welded on the first support frame 6, and it is ensured that the feed inlet 703 and the discharge port 706 are respectively located on both sides of the first support frame 6, when some cracks or holes need to be reinforced by pouring concrete, the place to be poured is drilled or the hole is reserved in advance, then the grouting conduit is connected and then extends into the reserved hole, specifically, the fourth connecting thread 5 of the first grouting conduit 1 is connected with the first connecting thread 201 of the connecting joint 2, then the fourth connecting thread 5 on the second grouting conduit 4 is connected with the third connecting thread 211, the elastic groove 207 is compressed in advance, the threaded ring 205 is sleeved on the first connecting piece 202, then, the sealing washer 204 is put into the sealing groove 208, the sealing groove 208 is sealed by the sealing washer 204, the matching inner pipe 203 on the first connecting piece 202 is inserted into the second connecting piece 210, then the threaded ring 205 on the second connecting thread 209 is rotated, so that the second connecting thread 209 moves towards the second connecting piece 210, the sealing washer 204 is clamped in the sealing groove 208, then the sealing washer 204 moves forwards until the sealing washer contacts with the tapered surface 206, the tapered surface 206 is provided with the elastic groove 207, so that the elastic groove 207 is contracted to clamp the matching inner pipe 203, at this time, the first stationary half ring 302 and the second stationary half ring 305 of the connecting fastener 3 rotate around the hinge 301, then the connecting fastener 3 is clamped at the position just before the threaded ring 205 moves, at this time, the first sealing half ring 303 and the second sealing half ring 304 are attached to the connecting joint 2, and then the first stationary half ring 302 and the second stationary half ring 305 are fixed to each other by the fixing bolt 306, at this time, the connecting fastener 3 can not only reduce the possibility of leakage and prevent the threaded ring 205 from loosening, then the connected grouting guide pipe is inserted into the prepared hole, the outermost grouting pipe is connected with a casting machine, the prepared concrete is injected into the grouting pipe from the injection machine, then when the concrete is conveyed into the grouting pipe, the concrete is introduced into the feed port 703 due to the fact that one end of the grouting guide pipe is provided with the guide pipe plug 7, the tapered plug 710 plugs the second middle hole 711, when the injection is continued, the internal pressure is increased, so that the compressed gas 707 in the metal soft bag 701 is extruded by the concrete, the metal soft bag 701 is made to stretch and retract, the connecting rod 709 on the metal soft bag 701 moves until the connecting rod is separated from the second middle hole 711, at this time, the concrete flows into the first middle hole 705 from the second middle hole 711, because the pressure inside the fixed block 708 is greater than the elastic force of the second expansion spring 713, the spherical plug 712 is pushed away, and the concrete is output from the discharge hole 706, because the concrete is continuously conveyed into the first grouting conduit 1 and the second grouting conduit 4, the concrete can be prevented from being condensed in the conduit plug 7, when the injection pressure is insufficient, the second middle hole 711 is contacted with the conical plug 710 under the elastic force of the first expansion spring 702, under the action of the second expansion spring 713, the spherical plug 712 is contacted with the first middle hole 705, the concrete in the pipeline is prevented from flowing backwards, meanwhile, the concrete introduced into the grouting conduit flows out of the grouting hole 9 and then flows out of the pipeline, when the hole or the reserved hole is filled with the concrete, the concrete is fused with the outer sleeve 8, because the three second support frames 802 are welded on the first grouting conduit 1 and the second grouting conduit 4, the second support frames 802 are uniformly distributed, concrete is bonded with the side plates 801 and the connecting columns 804 in the fixing holes 803, the connection reliability is guaranteed, a grouting guide pipe does not need to be drawn out, and permanent sealing can be achieved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. A double-layer grouting guide pipe is characterized in that: including first slip casting pipe (1) and second slip casting pipe (4), the outer skin welding of first slip casting pipe (1) and second slip casting pipe (4) has outer tube (8), and has seted up slip casting hole (9) on first slip casting pipe (1) and second slip casting pipe (4), fourth connecting thread (5) have been seted up at the both ends of first slip casting pipe (1) and second slip casting pipe (4), second slip casting pipe (4) through attach fitting (2) with first slip casting pipe (1) is connected, the outside cover of attach fitting (2) has connecting fastener (3), first support frame (6) have all been welded to the inside one end of first slip casting pipe (1) and second slip casting pipe (4), the welding of the centre of first support frame (6) has pipe end cap (7).

2. The double-layer grouting guide pipe according to claim 1, characterized in that: the connecting joint (2) comprises a first connecting thread (201), a first connecting piece (202), a matched inner pipe (203), a sealing washer (204), a threaded ring (205), a conical surface (206), an elastic groove (207), a sealing groove (208), a second connecting thread (209), a second connecting piece (210) and a third connecting thread (211), wherein the first connecting piece (202) is fixed with the first grouting guide pipe (1) through the first connecting thread (201), the second connecting piece (210) is connected with the second grouting guide pipe (4) through the third connecting thread (211), the first connecting piece (202) is provided with the matched inner pipe (203), the surface of the second connecting piece (210) is provided with the sealing groove (208) and the second connecting thread (209), the sealing groove (208) is provided with the sealing washer (204), and the second connecting thread (209) is provided with the threaded ring (205), the threaded ring (205) moves along a second connecting thread (209), the connecting fastener (3) is clamped on the threaded ring (205), the upper end of the second connecting piece (210) is provided with a conical surface (206), an elastic groove (207) is formed in the conical surface (206), and the matching inner tube (203) is matched with the inside of the second connecting piece (210).

3. The double-layer grouting guide pipe according to claim 1, characterized in that: the connecting fastener (3) comprises a hinge (301), a first fixed half ring (302), a first seal half ring (303), a second seal half ring (304), a second fixed half ring (305) and a fixing bolt (306), the first fixed half ring (302) is connected with the second fixed half ring (305) through the hinge (301), the first fixed half ring (302) is fixed with the second fixed half ring (305) through the fixing bolt (306), the inner surfaces of the first fixed half ring (302) and the second fixed half ring (305) are respectively provided with the first seal half ring (303) and the second seal half ring (304), and the first seal half ring (303) and the second seal half ring (304) are attached to the connecting joint (2).

4. The double-layer grouting guide pipe according to claim 1, characterized in that: the catheter plug (7) comprises a metal soft bag (701), a first telescopic spring (702), a feeding hole (703), a limiting plate (704), a first middle hole (705), a discharging hole (706), compressed gas (707), a fixed block (708), a connecting rod (709), a conical plug (710), a second middle hole (711), a spherical plug (712) and a second telescopic spring (713), wherein the metal soft bag (701) is arranged above the inside of the fixed block (708), the compressed gas (707) is filled in the metal soft bag (701), the connecting rod (709) is arranged below the metal soft bag (701) in the inside of the fixed block (708), the limiting plate (704) and the conical plug (710) are arranged on the connecting rod (709), the first telescopic spring (702) is arranged on the connecting rod (709), and the conical plug (710) is contacted with the second middle hole (711), a second telescopic spring (713) is arranged below the fixing block (708), a spherical plug (712) is arranged at one end of the second telescopic spring (713), the spherical plug (712) is in contact with the first middle hole (705), and a feed port (703) and a discharge port (706) are arranged on the upper side and the lower side of the fixing block (708) on the first support frame (6).

5. The double-layer grouting guide pipe according to claim 1, characterized in that: outer tube (8) are including limit curb plate (801), second support frame (802), fixed orifices (803) and spliced pole (804), the welding has three second support frame (802) on first slip casting pipe (1) and second slip casting pipe (4), second support frame (802) evenly distributed, all welded limit curb plate (801) on second support frame (802), fixed orifices (803) have been seted up on limit curb plate (801), the inside of fixed orifices (803) is provided with spliced pole (804).

6. The double-layer grouting guide pipe according to claim 1, characterized in that: first slip casting pipe (1) and second slip casting pipe (4) are arranged in the hole, first slip casting pipe (1) and second slip casting pipe (4) inside injection have muddy earth.

7. The double-layer grouting guide pipe according to claim 1, characterized in that: and two ends of the connecting joint (2) are connected with a fourth connecting thread (5).

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