CN211201191U

CN211201191U - Anti-blocking grouting mechanical plug

Info

Publication number: CN211201191U
Application number: CN201921884456.3U
Authority: CN
Inventors: 彭林峰; 姚瞻; 姜命强; 王海东
Original assignee: Sinohydro Bureau 8 Co Ltd
Current assignee: Sinohydro Bureau 8 Co Ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-08-07
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses a prevent blockking up grout machinery stopper, including slurry return pipe and three-way pipe, the three-way pipe includes direct pipe and the branch pipe of being connected with direct tub of lateral wall, the upper end of slurry return pipe and the bottom threaded connection of direct pipe, it has into thick liquid pipe to run through in the slurry return pipe, the external diameter of advancing the thick liquid pipe is less than the internal diameter of slurry return pipe and direct pipe, advance the top sealing connection of thick liquid pipe and direct pipe, the bottom of advancing the thick liquid pipe seals, and seted up into the thick liquid hole on advancing the bottom lateral wall of thick liquid pipe, the end closure of advancing the thick liquid pipe is equipped with and is used for descending or rises in order to open or close the end cap of slurry return pipe bottom entry, the outside of slurry return pipe is equipped with the locking device who is used for locking slurry return pipe. The anti-blocking grouting mechanical plug is simple in structure, low in cost, and capable of saving pigging time and prolonging service life.

Description

Anti-blocking grouting mechanical plug

Technical Field

The utility model relates to a grout construction equipment technical field especially relates to a prevent blockking up grouting machine stopper.

Background

The foundation hole is in the grout work progress, and it is an indispensable process to close thick liquid, after reaching the grout end standard, closes immediately and returns thick liquid ooff valve and advance thick liquid ooff valve, makes the thick liquid of pouring still be in the pressurized state temporarily, treats to congeal after the certain time, opens the valve, checks whether toward gushing water or thick liquid outward, if there is not gush water or thick liquid phenomenon, then thinks that the grout is qualified and takes out the grout stopper.

The grout closing time is generally longer than the cement grout accelerating time, generally 6-8 hours, at the moment, the grout plug is taken out, the inner pipe of the grout plug is filled with the initially set cement stones, measures are required to be taken immediately to remove the cement stones in the grout plug, and otherwise, the grout plug cannot be used continuously. Because of the grout stopper inner tube aperture is less and length is longer, the intraductal cement calculus of clearance is consuming time hard, and the effect is unsatisfactory, if not in time clear up then should the grout stopper scrap, can't continue to use.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide a simple structure, low cost, can save the pigging time and improve life's prevent blockking up grouting machine stopper.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the anti-blocking grouting mechanical plug comprises a slurry return pipe and a three-way pipe, wherein the three-way pipe comprises a straight-through pipe and a branch pipe connected with the side wall of the straight-through pipe, the upper end of the slurry return pipe is in threaded connection with the bottom end of the straight-through pipe, a slurry inlet pipe penetrates through the slurry return pipe, the outer diameter of the slurry inlet pipe is smaller than the inner diameters of the slurry return pipe and the straight-through pipe, the slurry inlet pipe is in sealed connection with the top end of the straight-through pipe, the bottom end of the slurry inlet pipe is sealed, a slurry inlet hole is formed in the side wall of the bottom end of the slurry inlet pipe, a plug used for descending or ascending to open or close the inlet at the bottom end of the slurry return pipe is arranged at the sealed end of the slurry inlet pipe, and a locking device used for locking the.

As a further improvement of the above technical solution:

the plug is a conical rubber body with a small upper part and a large lower part.

The end cap is detachably arranged on the slurry inlet pipe.

The sealing end of the slurry inlet pipe is provided with an installation rod, the installation rod is provided with a fastening nut, and the plug is sleeved on the installation rod and tightly pressed between the slurry inlet pipe and the fastening nut.

The locking device comprises a screwing handle, an expansion sleeve and a stopper, the stopper is fixed on the lower part of the slurry return pipe, the screwing handle is in threaded connection with the upper part of the slurry return pipe, and the expansion sleeve is sleeved on the slurry return pipe and is positioned between the stopper and the expansion sleeve.

The expansion sleeve is a rubber sleeve.

And a sliding bearing and a lengthening sleeve are sequentially sleeved on the slurry return pipe from top to bottom between the screwing handle and the expansion sleeve.

The stop head is a flaring sleeve, and the flaring sleeve is in butt joint with the bottom opening of the slurry return pipe.

The top end of the slurry inlet pipe is provided with a slurry inlet switch valve, and the branch pipe is provided with a slurry return switch valve.

One end of the slurry inlet switch valve is connected with the slurry inlet pipe through a threaded connector, and the other end of the slurry inlet switch valve is connected with a rotary connector.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses a prevent blockking up grout machinery stopper, including slurry return pipe and three-way pipe, the three-way pipe includes direct pipe and the branch pipe of being connected with direct tub of lateral wall, the upper end of slurry return pipe and the bottom threaded connection of direct pipe, it has into thick liquid pipe to run through in the slurry return pipe, the external diameter of advancing thick liquid pipe is less than the internal diameter of slurry return pipe and direct pipe, advance the top sealing connection of thick liquid pipe and direct pipe, the bottom of advancing thick liquid pipe seals, and advance and seted up into the thick liquid hole on the bottom lateral wall of thick liquid pipe, the seal end of advancing thick liquid pipe is equipped with and is used for descending or rises in order to open or close the end cap of slurry return pipe bottom entry, the outside of slurry return pipe is equipped with the locking device who is used for locking slurry return. When grouting, the slurry return pipe is locked to the base hole through a locking device, the three-way pipe is rotated in the forward direction, the three-way pipe moves downwards relative to the slurry return pipe, so that the pipe plug is lowered to open an inlet at the bottom end of the slurry return pipe, at the moment, a slurry inlet hole of the slurry inlet pipe is communicated with the base hole, then, the outlet end of the branch pipe is sealed, the slurry inlet pipe is connected with external grouting equipment, and grouting is performed in the base hole; when the slurry is returned, the three-way pipe is rotated reversely after the grouting is finished, so that the three-way pipe moves upwards relative to the slurry return pipe, the three-way pipe drives the plug to lift until the plug is tightly closed with an inlet at the bottom end of the slurry return pipe, at the moment, a slurry inlet hole of the slurry inlet pipe is disconnected with the base hole, then, the outlet end of the branch pipe is unsealed and connected with an external collector, then, the external grouting equipment is replaced by grouting equipment, clean water is injected into the slurry inlet pipe, residual slurry in the slurry inlet hole is squeezed by the clean water, the residual slurry in the slurry inlet hole flows into the three-way pipe along the inner wall of the slurry return pipe, and then is discharged into the external collector from the branch pipe, so that the interiors of the slurry inlet pipe, the slurry return pipe and. The anti-blocking grouting mechanical plug is simple in structure, low in cost, capable of greatly saving pipe cleaning time and greatly prolonging service life.

Drawings

Fig. 1 is the structure schematic diagram of the anti-blocking grouting mechanical plug in an unlocked state.

Fig. 2 is the structure diagram (grouting state) of the anti-clogging grouting mechanical plug in the locking state of the utility model.

Fig. 3 is a schematic structural diagram (slurry return state) of the anti-clogging grouting mechanical plug in the locking state.

The reference numerals in the figures denote:

1. a slurry return pipe; 2. a three-way pipe; 21. a straight-through pipe; 22. a branch pipe; 3. a pulp inlet pipe; 31. a slurry inlet hole; 32. mounting a rod; 33. fastening a nut; 4. a plug; 5. a locking device; 51. screwing the handle; 52. an expansion sleeve; 53. a stopper; 54. a sliding bearing; 55. lengthening the sleeve; 6. a slurry inlet switch valve; 61. a rotary joint; 7. a pulp return switch valve; 8. a threaded joint; 9. a base hole.

Detailed Description

The invention will be described in further detail with reference to the drawings and specific examples.

Fig. 1 to fig. 3 show the utility model discloses prevent an embodiment of jam grout mechanical plug, this prevent jam grout mechanical plug includes slurry return pipe 1 and three-way pipe 2, three-way pipe 2 includes direct pipe 21 and the branch pipe 22 of being connected with direct pipe 21 lateral wall, the upper end of slurry return pipe 1 and the bottom threaded connection of direct pipe 21, it has into thick liquid pipe 3 to run through in slurry return pipe 1, the external diameter of advancing thick liquid pipe 3 is less than the internal diameter of slurry return pipe 1 and direct pipe 21, advance thick liquid pipe 3 and the top sealing connection of direct pipe 21, the bottom of advancing thick liquid pipe 3 is sealed, and the grout inlet hole 31 has been seted up on the bottom lateral wall of advancing thick liquid pipe 3, the sealing end of advancing thick liquid pipe 3 is equipped with and is used for descending or rises in order to open or to close the end cap 4 of slurry return pipe 1 bottom entry, the outside of slurry return pipe 1 is equipped with the locking device 5 that is used for locking slurry return pipe 1 in basic hole 9. During grouting, as shown in fig. 2, the grout return pipe 1 is locked to the base hole 9 through the locking device 5, the three-way pipe 2 is rotated in the forward direction, the three-way pipe 2 moves downwards relative to the grout return pipe 1, so that the plug 4 descends to open the inlet at the bottom end of the grout return pipe 1, at the moment, the grout inlet hole 31 of the grout inlet pipe 3 is communicated with the base hole 9, then the outlet end of the branch pipe 22 is sealed, the grout inlet pipe 3 is connected with external grouting equipment, and grouting is performed in the base hole 9; during slurry return, as shown in fig. 3, after grouting is finished, the three-way pipe 2 is rotated reversely, so that the three-way pipe 2 moves upward relative to the slurry return pipe 1, the three-way pipe 2 drives the plug 4 to lift until the plug is tightly closed with an inlet at the bottom end of the slurry return pipe 1, at the moment, the slurry inlet hole 31 of the slurry inlet pipe 3 is disconnected with the base hole 9, then the outlet end of the branch pipe 22 is deblocked and connected with an external collector, the external grouting equipment is replaced by water injection equipment, clean water is injected into the slurry inlet pipe 3, the clean water pushes residual slurry in the slurry inlet hole 31, the residual slurry in the slurry inlet hole 31 flows into the three-way pipe 2 along the inner wall of the slurry return pipe 1, and then is discharged into the external collector from the branch pipe 22, and the interiors of the slurry inlet pipe 3, the slurry return pipe 1 and the three-way pipe. The anti-blocking grouting mechanical plug is simple in structure, low in cost, capable of greatly saving pipe cleaning time and greatly prolonging service life.

In this embodiment, the plug 4 is a tapered rubber body with a small top and a large bottom, which facilitates the sealing combination of the plug 4 and the inlet at the bottom end of the slurry return pipe 1.

In this embodiment, the plug 4 is detachably installed on the slurry inlet pipe 3, so that the plug 4 can be conveniently replaced.

In this embodiment, the sealing end of the grout inlet pipe 3 is sealed by a sealing plate 35, a mounting rod 32 is arranged at the bottom side of the sealing plate 35, a fastening nut 33 is arranged on the mounting rod 32, and the plug 4 is sleeved on the mounting rod 32 and is tightly pressed between the sealing plate 35 and the fastening nut 33 of the grout inlet pipe 3. When the plug 4 is replaced, the fastening nut 33 is screwed out, the old plug 4 is taken out, a new plug 4 is replaced, and the fastening nut 33 is screwed up, so that the plug 4 can be replaced, and the plug replacing device is simple in structure and convenient to operate.

In this embodiment, the locking device 5 includes a screwing handle 51, an expansion sleeve 52 and a stopper 53, the stopper 53 is fixed on the lower portion of the slurry return pipe 1, the screwing handle 51 is connected to the upper portion of the slurry return pipe 1 by screw threads, and the expansion sleeve 52 is sleeved on the slurry return pipe 1 and is located between the stopper 53 and the expansion sleeve 52. When the anti-blocking grouting mechanical plug is locked, the anti-blocking grouting mechanical plug is positioned at the inlet end of the base hole 9 by means of external force, then the screwing handle 51 is rotated in the forward direction, the screwing handle 51 moves downwards relative to the grout returning pipe 1 to extrude the expansion sleeve 52 until the expansion sleeve 52 is tightly extruded between the grout returning pipe 1 and the base hole 9, so that the fixation of the grout returning pipe 1 is realized, namely the locking of the anti-blocking grouting mechanical plug is realized; and otherwise, removing the anti-blocking grouting mechanical plug.

In this embodiment, the expansion sleeve 52 is a rubber sleeve, which is low in cost and convenient to process.

In this embodiment, a sliding bearing 54 and an extension sleeve 55 are sequentially sleeved on the slurry return pipe 1 from top to bottom between the screwing handle 51 and the expansion sleeve 52. Because the operation requirement needs to be met, the screwing handle 51 cannot enter the base hole 9, when the expansion sleeve 52 is completely positioned in the base hole 9 and then locked, the screwing handle 51 may not be extruded on the expansion sleeve 52, and at the moment, the expansion sleeve 52 can be extruded between the back flow pipe 1 and the base hole 9 under the force transmission action of the lengthening sleeve 55.

In this embodiment, the stopper 53 is a flared sleeve, the flared sleeve is butted with the bottom opening of the slurry return pipe 1, and the plug 4 descends or ascends to open or close the bottom opening of the flared sleeve, so as to facilitate the opening and closing operations of the plug 4.

In this embodiment, the top end of the slurry inlet pipe 3 is provided with a slurry inlet switch valve 6, and the branch pipe 22 is provided with a slurry return switch valve 7. During grouting, the stop head 53 is lowered, the grout inlet switch valve 6 is opened, and the grout return switch valve 7 is closed, during grout return, the stop head 53 is lifted up, and the grout return switch valve 7 is opened, so that the operation is convenient and fast.

In this embodiment, the one end of advancing thick liquid ooff valve 6 is passed through screwed joint 8 and is connected with advancing thick liquid pipe 3, the thick liquid ooff valve 6 of being convenient for with advance thick liquid pipe 3's being connected, advance the other end of thick liquid ooff valve 6 and be connected with rotary joint 61, the rotation regulation of three-way pipe 2 of being convenient for. When in use, the rotary joint 61 is connected with grouting equipment through a grouting rubber pipe.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a prevent blockking up grouting machinery stopper which characterized in that: comprises a slurry return pipe (1) and a three-way pipe (2), wherein the three-way pipe (2) comprises a straight pipe (21) and a branch pipe (22) connected with the side wall of the straight pipe (21), the upper end of the slurry return pipe (1) is in threaded connection with the bottom end of the straight-through pipe (21), a slurry inlet pipe (3) penetrates through the slurry return pipe (1), the outer diameter of the pulp inlet pipe (3) is smaller than the inner diameters of the pulp return pipe (1) and the straight-through pipe (21), the pulp inlet pipe (3) is hermetically connected with the top end of the straight-through pipe (21), the bottom end of the pulp inlet pipe (3) is sealed, a grout inlet hole (31) is arranged on the side wall of the bottom end of the grout inlet pipe (3), a plug (4) used for descending or ascending to open or close the inlet of the bottom end of the grout return pipe (1) is arranged at the sealing end of the grout inlet pipe (3), and a locking device (5) for locking the slurry return pipe (1) in the base hole (9) is arranged on the outer side of the slurry return pipe (1).

2. The anti-clogging grouting mechanical plug of claim 1, wherein: the plug (4) is a conical rubber body with a small upper part and a large lower part.

3. The anti-clogging grouting mechanical plug of claim 1, wherein: the plug (4) is detachably arranged on the slurry inlet pipe (3).

4. The anti-clogging mechanical plug for grouting according to claim 3, wherein: the sealing end of the pulp inlet pipe (3) is provided with an installation rod (32), the installation rod (32) is provided with a fastening nut (33), and the plug (4) is sleeved on the installation rod (32) and is pressed between the pulp inlet pipe (3) and the fastening nut (33).

5. The anti-clogging mechanical grouting plug according to any one of claims 1 to 4, wherein: locking device (5) are including handle (51), inflation cover (52) and fender head (53) of screwing, fender head (53) are fixed in the lower part of backjuice pipe (1), handle (51) threaded connection in the upper portion of backjuice pipe (1) of screwing, inflation cover (52) cover is located backjuice pipe (1) and is located between fender head (53) and inflation cover (52).

6. The anti-clogging grouting mechanical plug of claim 5, wherein: the expansion sleeve (52) is a rubber sleeve.

7. The anti-clogging grouting mechanical plug of claim 5, wherein: a sliding bearing (54) and a lengthening sleeve (55) are sequentially sleeved on the pulp return pipe (1) from top to bottom between the screwing handle (51) and the expansion sleeve (52).

8. The anti-clogging grouting mechanical plug of claim 5, wherein: the stop head (53) is a flaring sleeve, and the flaring sleeve is butted with the bottom opening of the slurry return pipe (1).

9. The anti-clogging mechanical grouting plug according to any one of claims 1 to 4, wherein: the top end of the slurry inlet pipe (3) is provided with a slurry inlet switch valve (6), and the branch pipe (22) is provided with a slurry return switch valve (7).

10. The anti-clogging mechanical plug for grouting according to claim 9, wherein: one end of the slurry inlet switch valve (6) is connected with the slurry inlet pipe (3) through a threaded connector (8), and the other end of the slurry inlet switch valve is connected with a rotary connector (61).