CN214363494U - Deep water earth anchor grout inlet pipe and grouting system - Google Patents

Abstract

The utility model discloses a deep water earth anchor advances thick liquid pipe, advance thick liquid pipe and third including first thick liquid pipe, second and advance thick liquid pipe, first advance thick liquid pipe with the second advances thick liquid pipe and adopts the rigid pipeline, the third advances thick liquid pipe and adopts flexible pipeline, many first advance through the positive thread joint connection between the thick liquid pipe, first advance thick liquid pipe lower extreme through the anti-silk joint with the second advances thick liquid pipe upper end and connects, the second advance thick liquid pipe lower extreme with the third advances thick liquid union coupling, the second advance thick liquid pipe with the third advances the junction of thick liquid pipe and is fixed in on the soxhlet festival, first advance thick liquid pipe and slurrying device's defeated thick liquid mouth intercommunication, the third advances thick liquid pipe and compiles into the cable body, and the lower extreme closes on the anchor eye bottom, the utility model also discloses a slip casting system. The utility model discloses after the slip casting is ended, the first thick liquid pipe that advances of clockwise rotation on operation platform on water makes first thick liquid pipe and second advance thick liquid pipe throw off in the reverse thread screw thread department of reverse thread joint lower part, can retrieve into thick liquid pipe convenient and fast ground.

Description

Deep water earth anchor grout inlet pipe and grouting system

Technical Field

The utility model relates to a deep water anchor technical field specifically is a deep water ground anchor advances thick liquid pipe and slip casting system, can extensively be used for building restoration, dam disease metallurgical reason, offshore wind turbine foundation anchor, reinforcement engineering etc. under water, is particularly useful for foundation anchor engineering under the deep water condition.

Background

The deepwater foundation anchoring is greatly different from the overland foundation anchoring, and accumulated water is filled in anchor holes. The existing grouting method needs to use a grouting pipeline to convey grout to the bottom of an anchor hole through a grout inlet pipe, and accumulated water in a drill hole is gradually replaced from bottom to top of the hole due to the fact that the density of the grout is larger than that of water. After the deepwater grouting is finished, the recovery of a grouting pipeline positioned in deepwater is always a main problem troubling the construction. Therefore, adaptive adjustments to the grouting line are required.

Disclosure of Invention

The utility model aims to solve the technical problem that, it is not enough to prior art, provide a deep water earth anchor advances thick liquid pipe, and the slip casting is ended the back, can retrieve into thick liquid pipe in operation platform convenient and fast ground on water, has avoided wasting of resources and environmental pollution.

The utility model also provides a deep water earth anchor slip casting system, slip casting end back, retrieve fast and advance the thick liquid pipe.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

a deepwater ground anchor grout inlet pipe comprises a first grout inlet pipe, a second grout inlet pipe and a third grout inlet pipe, wherein the first grout inlet pipe and the second grout inlet pipe are rigid pipelines, the third grout inlet pipe is a flexible pipeline, a plurality of first grout inlet pipes are connected through positive wire joints, the lower end of the first grout inlet pipe is connected with the upper end of the second grout inlet pipe through a reverse wire joint, the lower end of the second grout inlet pipe is connected with the third grout inlet pipe, the joint of the second grout inlet pipe and the third grout inlet pipe is fixed on a cable joint, the first grout inlet pipe is communicated with a grout conveying port of a grout making device, the third grout inlet pipe is woven into a cable body, and the lower end of the third grout inlet pipe is close to the bottom of an anchor hole.

After the slip casting, the first thick liquid pipe that advances of clockwise rotation on operation platform on water, it is positive silk joint between the first thick liquid pipe that advances, can not the back loosening between rotatory in-process first thick liquid pipe and the positive silk joint, it is anti-silk joint to advance between thick liquid pipe because of first thick liquid pipe and the second, consequently make first thick liquid pipe and the second advance thick liquid pipe throw off in anti-silk joint department, can retrieve the slip casting pipeline convenient and fast ground, the wasting of resources and environmental pollution have been avoided. Meanwhile, the joint of the second slurry inlet pipe and the third slurry inlet pipe is fixed on the anchor cable, when the first slurry inlet pipe is rotated, the second slurry inlet pipe and the third slurry inlet pipe cannot rotate along with the first slurry inlet pipe, so that the first slurry inlet pipe and the second slurry inlet pipe can be ensured to be separated from the reverse thread at the lower part of the reverse thread joint, and the disturbance of the injected slurry can be avoided.

In order to facilitate rotary recovery, rigid pipelines are adopted for the first slurry inlet pipe and the second slurry inlet pipe, and flexible pipelines are adopted for the third slurry inlet pipe in order to facilitate cable descending of the anchor cable.

Furthermore, the reverse thread connector comprises a connector, a right-handed thread of the positive thread arranged on the upper part of the connector, and a left-handed thread of the reverse thread arranged on the lower part of the connector. The right-handed thread of the positive screw thread is connected with the first pulp inlet pipe at the upper side, and the left-handed thread of the reverse screw thread is connected with the second pulp inlet pipe at the lower side. When the pipeline needs to be recovered, the reverse thread screw thread at the lower part of the connector is unscrewed, and the reverse thread connector can also be recovered for reuse.

Further, the reverse-thread joint also comprises a groove arranged in the middle of the joint. When the positive thread on the upper part of the reverse thread joint is screwed, the cushion fork is inserted into the groove, so that the reverse thread joint can be limited from rotating, and the reverse thread on the lower part of the reverse thread joint is prevented from being unscrewed.

Furthermore, the joint of the second grout inlet pipe and the third grout inlet pipe is fixed on the cable joint through a hoop. When the first grout inlet pipe is rotationally recovered, the second grout inlet pipe and the third grout inlet pipe cannot rotate along with the first grout inlet pipe and the third grout inlet pipe, so that the first grout inlet pipe and the second grout inlet pipe can be ensured to be separated from the reverse-thread part at the lower part of the reverse-thread joint, and the disturbance of the injected grout can be avoided.

Further, the reverse-thread joint is positioned at the upper end of the reserved hole of the traction rope. Further, the length of the second slurry inlet pipe is 250-350 mm.

Furthermore, the first slurry inlet pipe and the second slurry inlet pipe are made of galvanized steel pipes, and the third slurry inlet pipe is made of a plastic pipe.

Furthermore, the lower end of the second slurry inlet pipe is sleeved with the upper end of the third slurry inlet pipe. The outer side of the second slurry inlet pipe is sleeved on the inner side of the third slurry inlet pipe.

The utility model also discloses a deep water earth anchor slip casting system, advance the thick liquid pipe including above-mentioned deep water earth anchor.

Compared with the prior art, the utility model discloses the beneficial effect who has does: the utility model discloses set up a purpose-built anti-silk joint on advancing the thick liquid pipeline, both guaranteed that the thick liquid flows unblocked to can bear the biggest slip casting pressure, can accomplish the back at slip casting again, the first thick liquid pipe that advances of clockwise rotation on the operation platform on water, make first thick liquid pipe and the second advance thick liquid pipe throw off in anti-silk screw thread department of anti-silk joint lower part, can retrieve into thick liquid pipe convenient and fast ground, avoid wasting of resources and environmental pollution.

Drawings

FIG. 1 is a schematic structural diagram of a deepwater ground anchor grouting system;

FIG. 2 is a schematic structural view of a reverse-filament joint;

FIG. 3 is a schematic sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic view of the installation of the reverse-filament joint.

Wherein, 1 is the first thick liquid pipe that advances, 2 is the second and advances thick liquid pipe, 3 is the third and advances thick liquid pipe 3, 4 is positive silk joint, 5 is the reverse silk joint, 6 is the cable body, 7 is haulage rope preformed hole, 8 is the staple bolt, 9 is the cable festival, 10 is defeated thick liquid mouth, 11 is the anchor eye, 12 is high-speed pulping machine, 13 is double-deck agitator, 14 is the grouting pump, 51 is the joint, 52 is the right-handed screw of positive silk thread, 53 is the left-handed screw of reverse silk thread, 54 is the recess.

Detailed Description

As shown in figure 1, the deepwater ground anchor grout inlet pipe comprises a second grout inlet pipe 2, a third grout inlet pipe 3 and 26 first grout inlet pipes 1. In order to facilitate rotary recovery, the first slurry inlet pipe 1 and the second slurry inlet pipe 2 adopt rigid pipelines, and in order to facilitate rope descending, the third slurry inlet pipe 3 adopts a flexible pipe. Specifically, the first slurry inlet pipe 1 and the second slurry inlet pipe 2 are made of galvanized steel pipes, and the third slurry inlet pipe 3 is made of a plastic pipe. The first grout inlet pipe 1, the second grout inlet pipe 2 and the third grout inlet pipe 3 can bear 1.5 times of the maximum grouting pressure and ensure smooth flowing of grout. The outer diameter phi 25mm and the inner diameter phi 20mm of the first slurry inlet pipe 1 are respectively equal to the length of each single slurry inlet pipe 1, and the 26 first slurry inlet pipes 1 are connected through the positive wire joints 4. The lower end of the first pulp inlet pipe 1 is connected with the upper end of the second pulp inlet pipe 2 through a reverse-thread connector 5, the reverse-thread connector 5 is positioned at the upper end of a reserved hole 7 of a traction rope, and the length of the second pulp inlet pipe 2 is 300 mm. Fig. 2 is a schematic cross-sectional view of a reverse-threaded joint, the lower part of which is a left-handed thread, the thread of the lower part of which is opposite to the thread of the upper part and the thread of the positive-threaded joint 4. The third slurry inlet pipe 3 is a plastic pipe, the outer diameter phi is 25mm, and the inner diameter phi is 20 mm. The lower end of the second pulp inlet pipe 2 is sleeved with the upper end of the third pulp inlet pipe 3, the outer side of the second pulp inlet pipe 2 is sleeved into the inner side of the third pulp inlet pipe 3, the joint of the second pulp inlet pipe 2 and the third pulp inlet pipe 3 is fixed on a rope joint 9 through a hoop 8, and the first pulp inlet pipe 1 is communicated with a pulp conveying port 10 of the pulping device. The pulping device comprises a high-speed pulping machine 12, a double-layer stirring barrel 13 and a grouting pump 14 which are sequentially communicated. The third grout inlet pipe 3 is woven into the cable body 6, and the lower end of the third grout inlet pipe is close to the bottom of the anchor hole 11. The reverse thread joint 5 includes a joint 51, a right-handed thread 52 of a positive thread opened in an upper portion of the joint 51, and a left-handed thread 53 of a reverse thread opened in a lower portion of the joint 51. The counter-thread joint 5 further comprises a groove 54 opening in the middle of the joint 51. When the positive thread on the upper part of the reverse thread joint is screwed, the cushion fork is inserted into the groove, so that the reverse thread joint can be limited from rotating, and the reverse thread on the lower part of the reverse thread joint is prevented from being unscrewed.

The third grout inlet pipe is firstly woven into a cable body according to design requirements, then the second grout inlet pipe is sleeved above the third grout inlet pipe, the first grout inlet pipe is installed one by adopting an elevator and a cushion fork matched with a pipe wrench in the process of rope feeding, the first grout inlet pipe is connected with the second grout inlet pipe by adopting a reverse-thread joint, the first grout inlet pipe is connected with the first grout inlet pipe by adopting a positive-thread joint, in the process of installing the first grout inlet pipe one by one, the pipe wrench is particularly used for clamping the grout inlet pipe installed below, the first grout inlet pipe needing to be installed above is rotated to be screwed with the positive-thread of the joint, and the reverse-thread at the lower part of the reverse-thread joint is prevented from being separated in the process of installing the grout inlet pipe installed below.

And immediately dismantling the first grout inlet pipe after the grouting of the deepwater ground anchor is finished. And rotating the first pulp inlet pipe clockwise on the water operation platform by using a pipe wrench to enable the first pulp inlet pipe and the second pulp inlet pipe to be separated at a reverse thread at the lower part of the reverse thread joint, and then lifting up and dismantling the first pulp inlet pipe one by adopting a lifter and a cushion fork matched with the pipe wrench.

Claims (9)

1. A deepwater ground anchor grout inlet pipe is characterized by comprising a first grout inlet pipe (1), a second grout inlet pipe (2) and a third grout inlet pipe (3), the first slurry inlet pipe (1) and the second slurry inlet pipe (2) adopt rigid pipelines, the third pulp inlet pipe (3) adopts a flexible pipeline, a plurality of the first pulp inlet pipes (1) are connected through a positive thread joint (4), the lower end of the first pulp inlet pipe (1) is connected with the upper end of the second pulp inlet pipe (2) through a reverse-thread joint (5), the lower end of the second slurry inlet pipe (2) is connected with the third slurry inlet pipe (3), the joint of the second grout inlet pipe (2) and the third grout inlet pipe (3) is fixed on the socket, the first grout inlet pipe (1) is communicated with a grout conveying port of the grout making device, the third grout inlet pipe (3) is woven into the cable body, and the lower end of the third grout inlet pipe is close to the bottom of the anchor hole.

2. The deepwater ground anchor grouter pipe according to claim 1, wherein the reverse thread connector (5) comprises a connector (51), a right-handed thread (52) of a positive thread opened at the upper part of the connector (51), and a left-handed thread (53) of a reverse thread opened at the lower part of the connector (51).

3. The deepwater ground anchor grout pipe according to claim 2, wherein the reverse thread joint (5) further comprises a groove (54) opened in the middle of the joint (51).

4. The deep water anchor grout pipe according to claim 1, wherein the joint of the second grout inlet pipe (2) and the third grout inlet pipe (3) is fixed on the socket through a hoop (8).

5. The deep water ground anchor grout pipe according to claim 1, wherein the reverse thread adaptor (5) is positioned at the upper end of the reserved hole of the hauling cable.

6. The deepwater ground anchor grout pipe as claimed in claim 5, wherein the length of the second grout pipe (2) is 250-350 mm.

7. The deepwater ground anchor grout inlet pipe according to any one of claims 1 to 6, wherein the first grout inlet pipe (1) and the second grout inlet pipe (2) are made of galvanized steel pipes, and the third grout inlet pipe (3) is made of plastic pipes.

8. The deepwater ground anchor grout inlet pipe according to any one of claims 1 to 6, wherein the lower end of the second grout inlet pipe (2) is sleeved with the upper end of the third grout inlet pipe (3).

9. A deepwater ground anchor grouting system, characterized by comprising the deepwater ground anchor grout inlet pipe of any one of claims 1 to 8.

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