CN212154720U - Extrusion device for use in drilling water pressing slurry replacement - Google Patents

Abstract

The utility model relates to the technical field of drilling pressurized water replaces slurry, in particular to an extrusion device for drilling pressurized water replaces slurry, which comprises a device pipe, wherein the inner side of the top end of the device pipe is spirally connected with a connecting pipe, the top end of the connecting pipe is fixedly connected with a first inlet pipe, the inner side of the first inlet pipe is fixedly connected with a valve, the top end of the device pipe is fixedly connected with a first through joint, the inner side of the device pipe is movably connected with an extrusion plug, the inner side of the device pipe is fixedly connected with a blunt block, and the left side of the device pipe is fixedly connected with a second inlet pipe. The construction efficiency is greatly improved, the construction cost is reduced, and the use stability of the device is improved.

Description

Extrusion device for use in drilling water pressing slurry replacement

Technical Field

The utility model relates to a drilling pressurized-water replaces thick liquid technical field, specifically is a drilling pressurized-water uses extrusion device when replacing thick liquid.

Background

The current drilling engineering grouting technology is gradually applied to plugging and reinforcing of strata under various geological conditions, such as geological faults, goaf cracks, stratum protogenesis cracks and the like, grouting is carried out after drilling in a target area through a directional drilling process, during the above engineering construction grouting, a grouting pump is directly connected to a ground orifice to carry out full-hole section grouting, forward sectional grouting is generally adopted for good grouting effect, therefore, all drilling tools need to be lifted out during each grouting, and pressurized water is needed to press mud in holes and mud cakes into the strata before grouting, so that the demand of an extruding device is increased day by day when the drilling water is pressed for replacing the mud.

Most horizontal well slip casting that exists on the existing market, slip casting pipeline diameter is less than the slip casting hole diameter, cement density is great simultaneously, the pressurized water can flow along horizontal segment drilling upper portion after the slip casting, the cement is constantly precipitated to the lower part, consequently must remain a large amount of cement in the slip casting back hole and need all go into the drilling tool down, then sweep the hole, so not only cause the engineering extravagant, and extravagant manpower and materials, the risk of accident when constantly increaseing drilling and sweeping the hole simultaneously, and the device pipe is unstable with being connected of well casing, and inconvenient reinforcement operation, consequently, provide a drilling pressurized water and use extrusion device when replacing the thick liquid to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drilling is pressed water and is used extrusion device when replacing thick liquid to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a drilling pressurized water is with extrusion device when replacing thick liquid, includes the device pipe, the inboard screwed connection in device pipe top has the connecting pipe, connecting pipe top end fixedly connected with first inlet pipe, the inboard fixedly connected with valve of first inlet pipe, the first straight-through joint of device pipe top end fixedly connected with, the sliding connection is connected with the extrusion stopper in the device pipe, the inboard fixedly connected with blunt piece of device pipe, device pipe left side fixedly connected with second inlet pipe, the straight-through joint of second inlet pipe left side fixedly connected with second.

Preferably, the device pipe top inboard is the screw thread form and sets up, the motion trail of extrusion stopper is the linearity, blunt piece sets up on the motion trail of extrusion stopper, the extrusion stopper outside with blunt piece sliding connection.

Preferably, first inlet pipe bottom with the connecting pipe communicates each other, the connecting hole has been seted up on the device pipe left side, the device manage left spread groove with second inlet pipe fixed connection, second inlet pipe right side with the device pipe communicates each other, the second inlet pipe inboard with be located the bottom valve fixed connection.

Preferably, the outer side of the bottom end of the device pipe is spirally connected with a well pipe, the outer side of the device pipe is fixedly connected with a connecting ring, the inner side of the connecting ring is rotatably connected with a limiting ring, the outer side of the limiting ring is fixedly connected with a sleeve, the inner side of the sleeve is fixedly connected with a spring, the other end of the spring is fixedly connected with a clamping block, one side of the clamping block is fixedly connected with a pull rod, and the outer side of the well pipe is.

Preferably, the inner side of the connecting ring is provided with a limiting groove, the outer side of the limiting ring is rotatably connected with the limiting groove of the connecting ring, the inner side of the sleeve is provided with an elastic groove, the outer side of the fixture block is slidably connected with the elastic groove of the sleeve, the motion track of the fixture block is linear, and the clamping ring is arranged on the motion track of the fixture block.

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

1. the utility model discloses in, through first inlet pipe, second inlet pipe, extrusion stopper and blunt piece that set up, during the extrusion stopper remained cement with the horizontal segment well casing and crowded into the stratum, until the well casing, easy operation, convenient to use, the processing cost is lower, can solve the hole problem of sweeping that segmentation slip casting caused among the current drilling engineering, improved the efficiency of construction greatly, reduced construction cost, the stability that the improvement device used.

2. The utility model discloses in, through sleeve pipe, go-between, fixture block and the snap ring that sets up, the sleeve pipe passes through the connecting ring to the spacing of spacing ring along with device pipe downstream, then the spring promotes the fixture block fixed with the snap ring block to improve device pipe and well tubular connection's stability, supplementary joint strength of strengthening, improve the fixed effect of device, and can separate fixture block and snap ring through the pulling pull rod, make things convenient for the device to dismantle easy operation, labour saving and time saving.

Drawings

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

fig. 2 is a schematic structural diagram of a portion a of fig. 1 according to the present invention.

In the figure: 1-device tube, 2-connecting tube, 3-first feeding tube, 4-valve, 5-first through joint, 6-extrusion plug, 7-blunt block, 8-second feeding tube, 9-second through joint, 10-well tube, 11-connecting ring, 12-limiting ring, 13-sleeve, 14-spring, 15-fixture block, 16-pull rod and 17-snap ring.

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.

Referring to fig. 1-2, the present invention provides a technical solution:

the utility model provides a drilling pressurized water is with extrusion device when replacing thick liquid, including device pipe 1, the inboard screwed connection in 1 top of device pipe has connecting pipe 2, the first inlet pipe 3 of 2 top fixedly connected with of connecting pipe, the inboard fixedly connected with valve 4 of first inlet pipe, the first straight-through joint of 1 top fixedly connected with of device pipe 5, the inboard sliding connection of 1 side of device pipe has extrusion stopper 6, the inboard fixedly connected with blunt piece 7 of 1 side of device pipe, 1 left side fixedly connected with second inlet pipe 8 of device pipe, 8 left sides fixedly connected with second straight-through joint 9 of second inlet pipe.

The inner side of the top end of the device pipe 1 is arranged in a threaded manner, the motion track of the extrusion plug 6 is linear, the blunt block 7 is arranged on the motion track of the extrusion plug 6, the outer side of the extrusion plug 6 is in sliding connection with the blunt block 7, the arrangement is favorable for convenient installation operation, the operation is simple, time and labor are saved, the bottom end of the first feeding pipe 3 is communicated with the connecting pipe 2, the left side of the device pipe 1 is provided with a connecting hole, a connecting groove on the left side of the device pipe 1 is fixedly connected with the second feeding pipe 8, the right side of the second feeding pipe 8 is communicated with the device pipe 1, the inner side of the second feeding pipe 8 is fixedly connected with the valve 4 at the bottom end, the arrangement is favorable for conveniently solving the hole sweeping problem caused by sectional grouting in the existing drilling engineering, the construction efficiency is greatly improved, the outer side of the bottom end of the device pipe 1 is spirally, 12 outside fixedly connected with sleeves 13 of spacing ring, the inboard fixedly connected with spring 14 of sleeve 13, spring 14 other end fixedly connected with fixture block 15, fixture block 15 one side fixedly connected with pull rod 16, well casing 10 outside fixedly connected with snap ring 17, this kind is provided with and does benefit to the stability that improves device pipe 1 and well casing 10 and connect, supplementary joint strength of strengthening, improve the fixed effect of device, the spacing groove has been seted up to go-between 11 inboard, the spacing ring 12 outside is rotated with the spacing groove of go-between 11 and is connected, the bullet groove has been seted up to sleeve 13 inboard, the fixture block 15 outside and sleeve 13's bullet groove sliding connection, the motion orbit of fixture block 15 is the linearity, snap ring 17 sets up on fixture block 15's motion orbit, this kind is provided with and does benefit to improvement device fixed effect, convenient device dismantle.

The working process is as follows: the device pulls out all drill rods after drilling is finished, the device pipe 1 is hermetically connected with the well pipe 10, the extrusion plug 6 is placed in the device pipe 1, the connecting pipe 2 is hermetically connected with the device pipe 1, the valve 4 of the first feeding pipe 3 is closed, the valve 4 of the second feeding pipe 8 is opened, the grouting pipe is connected with the second feeding pipe 8, after the device is connected, the sealing performance of each connecting part is checked, water is pressed before grouting, mud cakes and the like of the well pipe 10 are pressed into a stratum, grouting is carried out, after grouting is finished, the time required for replacing grout in a straight well drilling section is calculated, after water is pressed according to the specified time, the valve 4 of the second feeding pipe 8 is closed, the grouting pipe joint is removed, the grouting pipe joint is connected into the first feeding pipe 3, the valve 4 at the top end of the well pipe joint is opened, water pressing is carried out, at the moment, the extrusion plug 6 can be extruded into the well pipe 10 under the pushing of water, after extrusion, along with the continuous pushing of water pressure, when the extrusion plug 6 enters the horizontal section, the extrusion continues to be forward extruded, the residual cement in the horizontal section well pipe 10 is continuously extruded into the stratum until the well pipe 10 is reached, after the completion, the valve 4 of the orifice second feeding pipe 8 is opened to release the pressure, then the device is completely dismantled and put into a drilling tool until the well pipe 10 is reached, the extrusion plug 6 is swept away, drilling is continued, the blunt block 7 is used for initially placing the extrusion plug 6, the first straight joint 5 and the second straight joint 9 are used for conveniently installing a grouting pipe, the operation is simple, the use is convenient, the processing cost is low, the problem of hole sweeping caused by sectional grouting in the existing drilling engineering can be solved, the construction efficiency is greatly improved, the construction cost is reduced, the stability of the device in use is improved, and when the device pipe 1 is fixed with the well pipe 10, the sleeve 13 moves downwards along with the device pipe 1 through the connecting ring 11 to the limiting, then spring 14 promotes fixture block 15 and snap ring 17 block fixed to improve the stability that device pipe 1 and well casing 10 are connected, supplementary reinforcing joint strength, improve the fixed effect of device, and can separate fixture block 15 and snap ring 17 through pulling pull rod 16, the convenience is installed and is dismantled, easy operation, labour saving and time saving.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a use extrusion device when drilling pressurized-water replaces thick liquid, includes device pipe (1), its characterized in that: the device is characterized in that the top end of the device pipe (1) is connected with a connecting pipe (2) in an inner spiral mode, the top end of the connecting pipe (2) is connected with a first inlet pipe (3) in a fixed mode, the inner side of the first inlet pipe (3) is connected with a valve (4) in a fixed mode, the top end of the device pipe (1) is connected with a first through joint (5) in a fixed mode, the inner side of the device pipe (1) is connected with an extrusion plug (6) in a sliding mode, the inner side of the device pipe (1) is connected with a blunt block (7) in a fixed mode, the left side of the device pipe (1) is connected with a second inlet.

2. The extrusion device for replacing the slurry by the drilling water according to claim 1, wherein: the device pipe (1) top inboard is the screw thread form and sets up, the motion trail of extrusion stopper (6) is linear, blunt piece (7) set up on the motion trail of extrusion stopper (6), the extrusion stopper (6) outside with blunt piece (7) sliding connection.

3. The extrusion device for replacing the slurry by the drilling water according to claim 1, wherein: first inlet pipe (3) bottom with connecting pipe (2) communicates each other, the connecting hole has been seted up on device pipe (1) left side, device pipe (1) left spread groove with second inlet pipe (8) fixed connection, second inlet pipe (8) right side with device pipe (1) communicates each other, second inlet pipe (8) inboard with be located the bottom valve (4) fixed connection.

4. The extrusion device for replacing the slurry by the drilling water according to claim 1, wherein: the device is characterized in that the outer side of the bottom end of the device pipe (1) is spirally connected with a well pipe (10), the outer side of the device pipe (1) is fixedly connected with a connecting ring (11), the inner side of the connecting ring (11) is rotatably connected with a limiting ring (12), the outer side of the limiting ring (12) is fixedly connected with a sleeve (13), the inner side of the sleeve (13) is fixedly connected with a spring (14), the other end of the spring (14) is fixedly connected with a clamping block (15), one side of the clamping block (15) is fixedly connected with a pull rod (16), and the outer side of the well pipe.

5. The extrusion device for replacing the slurry by the drilling water according to claim 4, wherein: the limiting groove is formed in the inner side of the connecting ring (11), the outer side of the limiting ring (12) is rotationally connected with the limiting groove of the connecting ring (11), the inner side of the sleeve (13) is provided with an elastic groove, the outer side of the clamping block (15) is in sliding connection with the elastic groove of the sleeve (13), the movement track of the clamping block (15) is linear, and the clamping ring (17) is arranged on the movement track of the clamping block (15).

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