CN216741445U

CN216741445U - Double-layer grouting flange plate pipe fixing device for drilling

Info

Publication number: CN216741445U
Application number: CN202123244311.7U
Authority: CN
Inventors: 蒋明; 霍大圣; 徐亮; 苏婉玲; 朱勋; 焦忠利; 刘业忠
Original assignee: Guizhou Zijin Mining Co Ltd
Current assignee: Guizhou Zijin Mining Co Ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-06-14
Anticipated expiration: 2031-12-22

Abstract

The utility model relates to the technical field of flange plate pipe fixing, in particular to a double-layer grouting flange plate pipe fixing device for drilling, which comprises a flange plate, wherein the bottom end of the flange plate is fixedly provided with a screw thread plug pipe joint, and the outer side of the flange plate is uniformly inserted with screw rods; the bottom end of the second method disc is fixedly provided with a second screw thread plug pipe joint, and one side of the second screw thread plug pipe joint is fixedly provided with a ball valve. The utility model discloses a be provided with the lead screw, a fastening nut, No. two fastening nuts and sealed the pad, simple structure, convenient to use, the workman grasps the use easily, do benefit to and popularize, practice thrift the cost, avoid the cement mortar to overflow at the drill way extravagant, high efficiency, save time is compared with traditional solid pipe, has shortened the time of waiting for the cement to solidify, gu manage of high quality, improve the work efficiency, avoid the unqualified material of bringing, the waste of time of sealing up again of quality, often be suitable for drilling incident processing.

Description

Double-layer grouting flange plate pipe fixing device for drilling

Technical Field

The utility model relates to a solid tub of technical field of ring flange specifically is a solid tub of device of double-deck slip casting ring flange for drilling.

Background

Constructing advanced grouting drilling and water plugging drilling in two areas, wherein the water inflow amount in the drilling reaches 150-350m when the drilling is constructed in a complicated geological structure area³And h, in order to ensure the safety of drilling construction, a double-layer grouting flange pipe fixing device is used in a rock crack development and crushing area, when the casing is sealed and fixed by grouting, the pressure of the slurry is increased to a certain degree and then permeates and diffuses into a stratum crack, the casing and the stratum are fixedly integrated after the slurry is solidified, and the phenomena of water leakage and no pressure bearing of the drilling casing in a pressurizing test can be avoided.

However, the traditional grouting pipe fixing process mainly has the following disadvantages: (1) the amount of cement filled in the annular space is not well controlled. Sometimes the annular clearance between the borehole wall and the casing is small and uneven, and the cement returned from the orifice does not represent that the annular space is completely filled with cement, and thus the false appearance is easily formed. (2) Due to the sedimentation effect of cement, after the cement paste is solidified, no cement is usually left in a distance from the orifice to the lower part, and the casing at the orifice is easy to loosen, even dislocate and deform under the external force disturbance. (3) Before a casing is put into, some drill holes can drill sandstone aquifers, and when the casing is sealed, the pressed cement paste flows out along with water, so that certain difficulty is brought to the sealing of the casing, and therefore, a double-layer grouting flange pipe fixing device for drilling needs to be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drilling is with solid pipe device of double-deck slip casting flange dish to solve (1) that proposes among the above-mentioned background art and fill cement volume and do not master well. Sometimes the annular clearance between the borehole wall and the casing is small and uneven, and the cement returned from the orifice does not represent that the annular space is completely filled with cement, and thus the false appearance is easily formed. (2) Due to the sedimentation effect of cement, after the cement paste is solidified, no cement is usually left in a distance from the orifice to the lower part, and the casing at the orifice is easy to loosen, even dislocate and deform under the external force disturbance. (3) Before the casing is put into, some drill holes can drill in sandstone aquifers, and when the casing is sealed, the pressed cement paste flows out along with water, so that certain difficulty is brought to the sealing of the casing.

In order to achieve the above purpose, the utility model provides a following technical scheme: a double-layer grouting flange pipe fixing device for drilling comprises:

the bottom end of the first method disc is fixedly provided with a first screw thread plug pipe joint, and screw rods are uniformly inserted into the outer side of the first method disc;

the utility model discloses a No. two method dish, the bottom fixed mounting of No. two method dishes has No. two screw thread stopper pipe joints, one side fixed mounting of No. two screw thread stopper pipe joints has the ball valve, No. two fastening nut and a fastening nut are installed to the bottom screw thread of screw pole, one side fixed mounting of No. two screw thread stopper pipe joints has installation mechanism, used knot type all is unanimous with the geological tubular product of downthehole, can process the sleeve pipe of different specifications, simple structure, convenient to use, the workman grasps the use easily, do benefit to the popularization, the cost is saved, avoid cement mortar to flood the waste in drill way, high efficiency, save time, compare with traditional solid pipe, shortened the time of waiting for cement solidification, solid pipe is of high quality, the work efficiency is improved, pressurized grouting can guarantee that the mortar can fill whole annular gap under the pressure effect after closing the ball valve, improve solid pipe quality and withstand voltage test success rate, especially under the condition of severe geological conditions, the material and time waste caused by quality unqualified re-sealing is avoided, and the method is often suitable for drilling accident treatment. In some drilling accident treatment, a reverse circulation grouting mode is utilized, and the effect of achieving twice the result with half the effort is achieved.

Preferably, the bottom of the screw rod is sleeved with a sealing gasket, the sealing gasket is ethylene propylene diene monomer, and the ethylene propylene diene monomer has good wear resistance and sealing performance.

Preferably, the inside even welding of a screw thread stopper union coupling has a projecting rod, the projecting rod is stainless steel, has the effect of preventing the settlement of cement.

Preferably, installation mechanism includes the turning block, the bottom fixed mounting of turning block has the connecting rod, the bottom fixed mounting of connecting rod has the handle, one side fixed mounting of a law dish has the connecting block, is convenient for carry out the rotation operation to No. two fastening nut and a fastening nut, and the quick installation of being convenient for is fastened.

Preferably, the draw-in groove has been seted up to the inside of connecting block, the inside fixed mounting of draw-in groove has thread spring, thread spring's top fixed mounting has the stopper, one side fixed mounting of handle has hollow block for connecting block and the mutual block of hollow block are convenient for accomodate installation mechanism.

Preferably, the inside of turning block has seted up the hexagon groove, one side of stopper is the inclined plane, and the hexagon groove is convenient for the block nut and is rotated.

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

1. through being provided with screw rod, fastening nut, No. two fastening nut and sealed pad, simple structure, convenient to use, the workman grasps the use easily, do benefit to and popularize, practices thrift the cost, avoids cement mortar to overflow at the drill way extravagant, and high efficiency, save time compares with traditional solid pipe, has shortened the time of waiting for cement solidification, and solid tub of high quality improves the work efficiency, avoids the unqualified waste of material, the waste of time that the solid was brought again of quality, often is suitable for drilling incident processing.

2. Through being provided with installation mechanism, rotate through driving the connecting rod for the turning block drives inside No. two fastening nut or a fastening nut rotatory and the lead screw is installed together, is convenient for carry out the rotation operation to No. two fastening nut and a fastening nut, and the quick installation fastening of being convenient for makes stopper extrusion thread spring, makes connecting block and the mutual block of hollow block, is convenient for accomodate installation mechanism.

Drawings

FIG. 1 is a schematic front sectional view of the structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention from the back;

FIG. 3 is a schematic top view of the structure of the present invention;

fig. 4 is a schematic side view of the cross-sectional structure of the mounting mechanism of the present invention.

In the figure: 110. a first French plate; 120. a screw shaft; 130. a first fastening nut; 140. a second fastening nut; 150. a gasket; 160. a second French plate; 170. a second thread plugs the pipe joint; 180. a first screw thread plug pipe joint; 181. a protruding rod; 190. a ball valve; 200. an installation mechanism; 210. rotating the block; 211. a threaded spring; 212. a connecting rod; 213. a handle; 214. a limiting block; 215. a card slot; 216. connecting blocks; 217. a hollow block.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment:

a double-layer grouting flange pipe fixing device for drilling comprises:

the first-order plate 110 is characterized in that a first-order screw plug pipe joint 180 is fixedly arranged at the bottom end of the first-order plate 110, and screw rods 120 are uniformly inserted into the outer side of the first-order plate 110;

the second method plate 160, the bottom end of the second method plate 160 is fixedly provided with a second screw thread plug pipe joint 170, one side of the second screw thread plug pipe joint 170 is fixedly provided with a ball valve 190, the bottom end of a screw rod 120 is provided with a second fastening nut 140 and a first fastening nut 130 in a threaded manner, one side of the second screw thread plug pipe joint 170 is fixedly provided with an installation mechanism 200, the first method plate 110 and the second method plate 160 are superposed up and down and are fastened by the screw rod 120 to work, the first screw thread plug pipe joint 180 is sleeved inside the second screw thread plug pipe joint 170, a closed annular space is formed between the two sleeves, grouting can be carried out from an orifice to the annular space, and reverse circulation grouting is also carried out to fix the pipes, because the annular space is closed, when the pressure of grout is increased to a certain degree, the grout can permeate and diffuse to stratum cracks, and the sleeves and the stratum are fixed into a whole after the grout is solidified, the double-layer grouting flange is convenient to obtain materials and process and flexible to combine, the used buckling type is consistent with that of a geological pipe material which is put into a hole, the double-layer grouting flange can process casing pipes with different specifications, the structure is simple, the use is convenient, workers can easily master and use, the popularization is facilitated, the cost is saved, cement mortar is prevented from overflowing and wasting at an orifice, the speed and the efficiency are high, the time is saved, compared with the traditional pipe fixing, the time for waiting for cement solidification is shortened, the pipe fixing quality is good, the work efficiency is improved, the pressure grouting can be carried out after the ball valve 190 is closed, the mortar can be ensured to fill the whole annular gap under the pressure action, the pipe fixing quality and the success rate of a pressure test are improved, particularly under the condition of severe geological conditions, the waste of materials and time caused by quality unqualified re-sealing is avoided, the drilling accident treatment is often applicable, in some drilling accident treatments, a reverse circulation grouting mode is utilized, the effect of getting twice with half the effort has been reached, the bottom of lead screw 120 has cup jointed sealed pad 150, sealed pad 150 is ethylene propylene diene monomer, adopts rubber reinforcing leakproofness between No. one method dish 110 and No. two method dishes 160, ethylene propylene diene monomer wearability and leakproofness are better, the even welding in inside of a screw thread stopper coupling 180 has protruding pole 181, protruding pole 181 is stainless steel material, protruding pole 181 and cement mixed connection back have the settlement effect that prevents cement.

The mounting mechanism 200 comprises a rotating block 210, a connecting rod 212 is fixedly mounted at the bottom end of the rotating block 210, a handle 213 is fixedly mounted at the bottom end of the connecting rod 212, a connecting block 216 is fixedly mounted at one side of the first flange 110, the rotating block 210 is aligned with the second fastening nut 140 or the first fastening nut 130, the connecting rod 212 is driven to rotate, so that the rotating block 210 drives the second fastening nut 140 or the first fastening nut 130 inside to rotate and the screw rod 120 to be mounted together, the second fastening nut 140 and the first fastening nut 130 are convenient to rotate and convenient to mount and fasten quickly, a clamping groove 215 is formed inside the connecting block 216, a thread spring 211 is fixedly mounted inside the clamping groove 215, a limiting block 214 is fixedly mounted at the top end of the thread spring 211, a hollow block 217 is fixedly mounted at one side of the handle 213, the limiting block 214 is pressed at one side of the connecting rod 212, so that the limiting block 214 presses the thread spring 211, make connecting block 216 and the mutual block of hollow block 217, be convenient for accomodate installation mechanism 200, hexagonal groove has been seted up to the inside of turning block 210, and one side of stopper 214 is the inclined plane, and the inclined plane is convenient for extrude stopper 214 for hollow block 217 and connecting block 216 high-speed joint, the hexagonal groove is convenient for the block nut and rotates.

The working principle is as follows: when the device is used, the device is correspondingly connected with two pipelines with the same specification in a hole through screw threads, so that an annular space capable of adjusting a switch is formed, and positive circulation and reverse circulation mortar injection and pipe fixation can be performed according to different requirements. When in use, the length of the sleeve joint with the screw threads inside and outside is matched with that of the two sleeve pipes in the hole.

When grouting and pipe fixing are carried out, the grouting flange is connected with a grouting system, mortar is pressed into the inner pipe through a grouting pump, when the ball valve 190 returns mortar, the ball valve 190 is closed, and grouting is continued until the whole annular gap is filled with the mortar. And (4) carrying out a pressure test on the through hole after the cement is solidified, and installing a matched water control gate valve after the cement is qualified to continue drilling.

The turning block 210 is aligned to the second fastening nut 140 or the first fastening nut 130, and the connecting rod 212 is driven to rotate, so that the turning block 210 drives the second fastening nut 140 or the first fastening nut 130 inside to rotate and the lead screw 120 to be mounted together, the second fastening nut 140 and the first fastening nut 130 are convenient to rotate, and rapid mounting and fastening are facilitated.

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

1. The utility model provides a solid pipe device of double-deck slip casting flange dish for drilling which characterized in that includes:

the screw thread plug pipe joint structure comprises a first method disc (110), wherein a first screw thread plug pipe joint (180) is fixedly installed at the bottom end of the first method disc (110), and screw rods (120) are uniformly inserted into the outer side of the first method disc (110);

no. two method dishes (160), the bottom fixed mounting of No. two method dishes (160) has No. two screw thread stopper pipe joints (170), one side fixed mounting of No. two screw thread stopper pipe joints (170) has ball valve (190), No. two fastening nut (140) and fastening nut (130) are installed to the bottom screw thread of lead screw (120), one side fixed mounting of No. two screw thread stopper pipe joints (170) has installation mechanism (200).

2. The double-layer grouting flange pipe fixing device for drilling according to claim 1, characterized in that: the bottom of lead screw (120) has cup jointed sealed pad (150), sealed pad (150) are ethylene propylene diene monomer.

3. The double-layer grouting flange pipe fixing device for drilling according to claim 1, characterized in that: the screw thread plug pipe joint (180) is characterized in that a protruding rod (181) is uniformly welded inside the screw thread plug pipe joint (180), and the protruding rod (181) is made of stainless steel.

4. The double-layer grouting flange pipe fixing device for drilling according to claim 1, characterized in that: installation mechanism (200) include turning block (210), the bottom fixed mounting of turning block (210) has connecting rod (212), the bottom fixed mounting of connecting rod (212) has handle (213), one side fixed mounting of a law dish (110) has connecting block (216).

5. The double-layer grouting flange pipe fixing device for drilling according to claim 4, characterized in that: draw-in groove (215) have been seted up to the inside of connecting block (216), the inside fixed mounting of draw-in groove (215) has thread spring (211), the top fixed mounting of thread spring (211) has stopper (214), one side fixed mounting of handle (213) has hollow block (217).

6. The double-layer grouting flange pipe fixing device for drilling according to claim 5, characterized in that: the inside of turning block (210) is seted up the hexagon groove, one side of stopper (214) is the inclined plane.