CN215252934U

CN215252934U - Rotary drilling protective cylinder applied to quicksand

Info

Publication number: CN215252934U
Application number: CN202120674107.XU
Authority: CN
Inventors: 王珏; 郑楠; 施昌龄; 丁杰; 何训林
Original assignee: CCCC Third Highway Engineering Co Ltd
Current assignee: CCCC Third Highway Engineering Co Ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-12-21
Anticipated expiration: 2031-04-01

Abstract

The application discloses be applied to quicksand dig soon and bore a section of thick bamboo that protects, including coupling mechanism, sealing mechanism and supplementary mechanism that sinks, coupling mechanism protects a section of thick bamboo, a connecting bolt and a coupling nut including one, a protect a surface and a fixed plate fixed connection, a connecting bolt pegs graft with a fixed plate, a connecting nut and a connecting bolt threaded connection. The outside sand bed is washed away through the water and is reduced the frictional force between a section of thick bamboo and the sand bed, guarantees that No. two protect a section of thick bamboo and a protect a section of thick bamboo and transfer smoothly, after it transfers designated position, carries out normal construction of digging soon, and the elasticity pulling solid fixed ring that passes through the spring when the spray pipe does not spray water closes with the baffle laminating, avoids husky, soil to gush into in the connecting pipe and blocks up the connecting pipe.

Description

Rotary drilling protective cylinder applied to quicksand

Technical Field

The application relates to a rotary drilling protective cylinder, in particular to a rotary drilling protective cylinder applied to quicksand.

Background

The pile casing is used for cast-in-situ bored pile construction operation, is made of steel, is cylindrical, is generally a steel pile casing, has a wall thickness of 10mm, is generally used for construction prevention and fixation, and has a joint part requiring no protrusion in the casing, and is resistant to pulling and pressing and water leakage.

When a traditional section of thick bamboo that protects uses in the drift sand geology, it leaks husky easily and leads to the drilling to collapse to protect a section of thick bamboo junction, and traditional section of thick bamboo that protects in addition when using under the drift sand geology, easily because with friction between the sand and adsorption affinity lead to protecting a section of thick bamboo and be difficult to sink, can't carry out effectual protection to drilling upper portion. Therefore, the rotary drilling protective cylinder applied to the quicksand is provided for solving the problems.

Disclosure of Invention

A rotary drilling protective cylinder applied to quicksand comprises a connecting mechanism, a sealing mechanism and an auxiliary sinking mechanism, wherein the connecting mechanism comprises a protective cylinder I, a connecting bolt I and a connecting nut I, the surface of the protective cylinder I is fixedly connected with a fixing plate I, the connecting bolt I is inserted into the fixing plate I, and the connecting nut I is in threaded connection with the connecting bolt I;

the sealing mechanism comprises a sealing ring and a fixing ring, the sealing ring is tightly attached to the surface of the second protective cylinder, the sealing ring is tightly attached to the fixed cover body, and the fixing ring is fixedly connected with the sealing ring;

the auxiliary sinking mechanism comprises a fixed cover body, a connecting pipe, a connector, a spray pipe, a fixed rod, a telescopic rod, a spring and a baffle, wherein one end of the fixed cover body is fixedly connected with a first protection cylinder, the other end of the fixed cover body is fixedly connected with a second protection cylinder, the connecting pipe is fixedly connected with the fixed cover body, the connector is fixedly connected with the connecting pipe, the spray pipe is fixedly connected with the connecting pipe, the fixed rod is fixedly connected with the spray pipe, one end of the telescopic rod is fixedly connected with the fixed rod, the other end of the telescopic rod is fixedly connected with the baffle, one end of the spring is fixedly connected with the fixed rod, the other end of the spring is fixedly connected with the fixed ring, and the baffle is fixedly connected with the inside of the spray pipe.

Furthermore, a plurality of first fixing plates are arranged on the surface of the first protection cylinder, and the first fixing plates are uniformly distributed on the surface of the first protection cylinder in an annular mode.

Furthermore, a fixed plate and No. two protect a fixed surface connection, No. two protect a surface and be provided with a plurality of fixed plates No. one, No. one the fixed plate is annular evenly distributed at No. two protect a surface.

Furthermore, a through hole is formed in the surface of the first fixing plate, and the first connecting bolt penetrates through the through hole to be connected with the first fixing plate in an inserting mode.

Furthermore, a plurality of connecting bolts are arranged on the surface of the first fixing plate and are uniformly distributed on the surface of the first fixing plate.

Furthermore, the surface of the fixing ring is provided with a groove, and the surface of the sealing ring is positioned in the groove of the fixing ring and fixedly connected with the fixing ring.

Further, gu fixed ring both ends all with No. two fixed plate fixed connection, No. two fixed plate surfaces are provided with the through-hole, No. two connecting bolt pass the through-hole and peg graft with No. two fixed plates.

Furthermore, No. two fixing plate surfaces are spliced with a plurality of No. two connecting bolts, No. two connecting bolts are uniformly distributed on the surface of No. two fixing plate surfaces, and No. two connecting bolts are in threaded connection with No. two connecting nuts.

Further, fixed cover body surface is provided with a plurality of connecting pipes, and is a plurality of connecting pipe evenly distributed is on fixed cover body surface, the external water supply equipment of connector.

Furthermore, both ends of the fixed rod are fixedly connected with the water spraying pipe, the middle of the fixed rod is fixedly connected with the telescopic rod, the surface of the baffle is provided with a through hole, the surface of the baffle is provided with a groove, and the fixed ring is positioned in the groove and tightly attached to the baffle.

The beneficial effect of this application is: the application provides a leak protection sand of being applied to quicksand is dug soon and is bored a guard cylinder.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

FIG. 3 is a schematic front view of a retaining ring according to an embodiment of the present application;

FIG. 4 is a schematic view of the inner structure of a sprinkler tube according to an embodiment of the present application;

fig. 5 is an enlarged partial structural diagram of a portion a in fig. 2 according to an embodiment of the present disclosure.

In the figure: 1. a protect a section of thick bamboo 2, the fixed cover body, 3, the connector, 4, the connecting pipe, 5, the spray pipe, 6, a fixed plate, 7 connecting bolt, 8, a coupling nut, 9, solid fixed ring, 10, No. two fixed plates, 11, No. two connecting bolt, 12, No. two coupling nut, 13, dead lever, 14, the telescopic link, 15, the spring, 16, solid fixed ring, 17, the baffle, 18, the sealing washer, 19, No. two protect a section of thick bamboo.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-5, the rotary drilling protective cylinder applied to quicksand comprises a connecting mechanism, a sealing mechanism and an auxiliary sinking mechanism, wherein the connecting mechanism comprises a protective cylinder 1, a connecting bolt 7 and a connecting nut 8, the surface of the protective cylinder 1 is fixedly connected with a fixing plate 6, the connecting bolt 7 is inserted into the fixing plate 6, and the connecting nut 8 is in threaded connection with the connecting bolt 7;

the sealing mechanism comprises a sealing ring 18 and a fixing ring 9, the sealing ring 18 is tightly attached to the surface of the second protective cylinder 19, the sealing ring 18 is tightly attached to the fixing cover body 2, and the fixing ring 9 is fixedly connected with the sealing ring 18;

supplementary mechanism of sinking includes the fixed cover body 2, connecting pipe 4, connector 3, spray pipe 5, dead lever 13, telescopic link 14, spring 15 and baffle 17, 1 fixed connection of a fixed cover body 2 one end and a protection section of thick bamboo, and the fixed cover body 2 other end and No. two protect a 19 fixed connection, connecting pipe 4 and the fixed cover body 2 fixed connection, connector 3 and connecting pipe 4 fixed connection, spray pipe 5 and connecting pipe 4 fixed connection, dead lever 13 and spray pipe 5 fixed connection, 14 one end of telescopic link and dead lever 13 fixed connection, and the 14 other end of telescopic link and baffle 17 fixed connection, 15 one end of spring and 13 fixed connection of dead lever, and the 15 other end of spring and fixed ring 16 fixed connection, baffle 17 and the inside fixed connection of spray pipe 5.

The surface of the first protection cylinder 1 is provided with a plurality of first fixing plates 6, the first fixing plates 6 are uniformly distributed on the surface of the first protection cylinder 1 in an annular manner, the first protection cylinder 1 and the second protection cylinder 19 are ensured to be firmly connected with a first connecting nut 8 through a plurality of first fixing plates 6, the first fixing plates 6 are fixedly connected with a second protection cylinder 19 in an annular manner, the second protection cylinder 19 is provided with a plurality of first fixing plates 6 on the surface, the first fixing plates 6 are uniformly distributed on the surface of the second protection cylinder 19 in an annular manner, the uniform distribution ensures uniform stress, the surface of the first fixing plates 6 is provided with through holes, the first connecting bolts 7 penetrate through the through holes to be spliced with the first fixing plates 6, the surface of the first fixing plates 6 is provided with a plurality of first connecting bolts 7, the first connecting bolts 7 are uniformly distributed on the surface of the first fixing plates 6, and the surface of the fixing rings 9 is provided with grooves, the surface of the sealing ring 18 is positioned in a groove of the fixing ring 9 and fixedly connected with the fixing ring 9, two ends of the fixing ring 9 are fixedly connected with a second fixing plate 10, the surface of the second fixing plate 10 is provided with a through hole, a second connecting bolt 11 penetrates through the through hole to be spliced with the second fixing plate 10, the surface of the second fixing plate 10 is spliced with a plurality of second connecting bolts 11, the second connecting bolts 11 are uniformly distributed on the surface of the second fixing plate 10, the second connecting bolts 11 are in threaded connection with a second connecting nut 12, the surface of the fixing cover body 2 is provided with a plurality of connecting pipes 4, the plurality of connecting pipes 4 are uniformly distributed on the surface of the fixing cover body 2, the connector 3 is externally connected with water supply equipment, two ends of the fixing rod 13 are fixedly connected with the water spray pipe 5, the middle part of the fixing rod 13 is fixedly connected with the telescopic rod 14, the surface of the baffle plate 17 is provided with a through hole, and the surface of the baffle plate 17 is provided with a groove, the fixing ring 16 is positioned in the groove and tightly attached to the baffle 17.

When the protective sleeve is used, the second protective sleeve 19 is pressed downwards at a position where rotary drilling is needed to fix the second protective sleeve 19 to the ground, the sealing ring 18 is placed on the surface of the second protective sleeve 19 together with the fixing ring 9, the first protective sleeve 1 is installed and is screwed and fixed through the second connecting bolt 11 and the second connecting nut 12, the second connecting bolt 11 and the second connecting nut 12 are not completely screwed, the first fixing plate 6 is respectively welded on the surfaces of the fixing cover body 2 and the second protective sleeve 19, the first connecting bolt 7 and the first connecting nut 8 are screwed, the first protective sleeve 1 and the second protective sleeve 19 are mutually tensioned and clamped and fixed with the sealing ring 18, the sealing property between the first protective sleeve 1 and the second protective sleeve 19 is ensured, sand leakage between the first protective sleeve 1 and the second protective sleeve 19 is avoided, and then the second connecting bolt 11 and the second connecting nut 12 are screwed again, the fixing ring 9 is locked again to ensure that the sealing ring 18 is tightly fixed with the surfaces of the first protection cylinder 1 and the second protection cylinder 19 to avoid sand leakage between the first protection cylinder 1 and the second protection cylinder 19, the fixing cover body 2 is fixedly connected with the first protection cylinder 1 and the second protection cylinder 19, the connecting pipe 4 and the water spraying pipe 5 are fixed with the surface of the fixing cover body 2, the friction force between the connecting pipe and sand is reduced through the design of an arc of the fixing cover body 2, meanwhile, the connector 3 is externally connected with water supply equipment and is rotationally dug through a rotary digging machine, at the moment, the second protection cylinder 19 and the first protection cylinder 1 sink, when the second protection cylinder 19 is difficult to sink in a sand layer, water is sprayed into the connecting pipe 4, the water is sprayed out through the water spraying pipe 5, the fixing ring 16 is pushed out from the surface of the baffle 17 by the pressure of the water in the spraying process, the external sand layer is flushed through a water body to reduce the friction force between the protection cylinders and the sand layer, guarantee that No. two protect a section of thick bamboo 19 and a protect a section of thick bamboo 1 and transfer smoothly, after it transfers designated position, carry out normal construction of digging soon, through the solid fixed ring 16 of elasticity pulling of spring 15 and baffle 17 when spray pipe 5 does not spray water close with laminating, avoid husky, soil to gush into in connecting pipe 4 with connecting pipe 4 jam.

The application has the advantages that:

1. in order to increase the sealing performance, a sealing ring is placed on the surface of a first protection cylinder and a fixing ring is placed on the surface of a second protection cylinder, the first protection cylinder is installed, the second protection cylinder is screwed and fixed through a second connecting bolt and a second connecting nut, the second connecting bolt and the second connecting nut are fixed incompletely, a first fixing plate is welded on the surfaces of a fixing cover body and the second protection cylinder respectively, the first connecting bolt and the first connecting nut are screwed, the first protection cylinder and the second protection cylinder are mutually tensioned and clamped and fixed with the sealing ring, the sealing performance between the first protection cylinder and the second protection cylinder is guaranteed, sand leakage between the first protection cylinder and the second protection cylinder is avoided, then the second connecting bolt and the second connecting nut are screwed again, the fixing ring is locked again, the sealing ring is guaranteed to be tightly fixed with the surfaces of the first protection cylinder and the second protection cylinder, and sand leakage between the first protection cylinder and the second protection cylinder is avoided;

2. in order to guarantee firm in connection, guarantee through a plurality of fixed plates that a protect a section of thick bamboo and No. two protect a section of thick bamboo through connecting bolt and a coupling nut firm in connection, protect a section of thick bamboo and No. two protect a section of thick bamboo surface through a fixed plate and be annular evenly distributed, guarantee that a protect a section of thick bamboo and No. two protect a section of thick bamboo surface atress even.

3. The application has reasonable structure, the fixed cover body is fixedly connected with the first protection cylinder and the second protection cylinder, the connecting pipe and the water spraying pipe are fixed with the surface of the fixed cover body, the friction force between the fixed cover body and sand is reduced through the design of the circular arc of the fixed cover body, meanwhile, the connector is externally connected with water supply equipment and is rotationally dug through a rotary digging machine, at the moment, the second protection cylinder and the first protection cylinder sink, when the second protection cylinder is difficult to sink in a sand layer, water is sprayed into the connecting pipe, the water is sprayed out through the water spraying pipe, the fixing ring is firstly jacked out from the surface of the baffle plate through the pressure of the water in the spraying process, the external sand layer is dispersed through a water body to reduce the friction force between the protection cylinders and the sand layer, the second protection cylinder and the first protection cylinder are ensured to be smoothly placed, after the first protection cylinder is placed at a designated position, normal rotary digging construction is carried out, when the water spraying pipe does not spray water, the fixing ring is pulled to be attached to the baffle plate through the elasticity of the spring to be closed, prevent sand and soil from flowing into the connecting pipe to block the connecting pipe.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a be applied to a dig soon of quicksand and bore a protecting section of thick bamboo which characterized in that: the auxiliary sinking device comprises a connecting mechanism, a sealing mechanism and an auxiliary sinking mechanism, wherein the connecting mechanism comprises a first protective cylinder (1), a first connecting bolt (7) and a first connecting nut (8), the surface of the first protective cylinder (1) is fixedly connected with a first fixing plate (6), the first connecting bolt (7) is spliced with the first fixing plate (6), and the first connecting nut (8) is in threaded connection with the first connecting bolt (7);

the sealing mechanism comprises a sealing ring (18), a fixing ring (9), a second fixing plate (10) and a second connecting bolt (11), the surface of the sealing ring (18) is tightly attached to the surface of the second protective cylinder (19), the sealing ring (18) is tightly attached to the fixing cover body (2), the fixing ring (9) is fixedly connected with the sealing ring (18), the second fixing plate (10) is fixedly connected with the fixing ring (9), and the second connecting bolt (11) is inserted into the second fixing plate (10);

the auxiliary sinking mechanism comprises a fixed cover body (2), a connecting pipe (4), a connector (3), a spray pipe (5), a fixing rod (13), a telescopic rod (14), a spring (15) and a baffle (17), one end of the fixed cover body (2) is fixedly connected with a first protection cylinder (1), the other end of the fixed cover body (2) is fixedly connected with a second protection cylinder (19), the connecting pipe (4) is fixedly connected with the fixed cover body (2), the connector (3) is fixedly connected with the connecting pipe (4), the spray pipe (5) is fixedly connected with the connecting pipe (4), the fixing rod (13) is fixedly connected with the spray pipe (5), one end of the telescopic rod (14) is fixedly connected with the fixing rod (13), the other end of the telescopic rod (14) is fixedly connected with the baffle (17), one end of the spring (15) is fixedly connected with the fixing rod (13), and the other end of the spring (15) is fixedly connected with the fixing ring (16), and the baffle (17) is fixedly connected with the inside of the spray pipe (5).

2. The rotary drilling protective cylinder applied to quicksand according to claim 1, which is characterized in that: a plurality of first fixing plates (6) are arranged on the surface of the first protection cylinder (1), and the first fixing plates (6) are uniformly distributed on the surface of the first protection cylinder (1) in an annular mode.

3. The rotary drilling protective cylinder applied to quicksand according to claim 1, which is characterized in that: no. one fixed plate (6) and No. two protect a section of thick bamboo (19) fixed surface to be connected, No. two protect a section of thick bamboo (19) surface and be provided with a plurality of fixed plates (6) No. one, No. one fixed plate (6) are annular evenly distributed on No. two protect a section of thick bamboo (19) surfaces.

4. The rotary drilling protective cylinder applied to quicksand according to claim 1, which is characterized in that: a through hole is formed in the surface of the first fixing plate (6), and the first connecting bolt (7) penetrates through the through hole to be connected with the first fixing plate (6) in an inserting mode.

5. The rotary drilling protective cylinder applied to quicksand according to claim 1, which is characterized in that: a plurality of connecting bolts (7) are arranged on the surface of the first fixing plate (6), and the connecting bolts (7) are uniformly distributed on the surface of the first fixing plate (6).

6. The rotary drilling protective cylinder applied to quicksand according to claim 1, which is characterized in that: the surface of the fixing ring (9) is provided with a groove, and the surface of the sealing ring (18) is positioned in the groove of the fixing ring (9) and fixedly connected with the fixing ring (9).

7. The rotary drilling protective cylinder applied to quicksand according to claim 1, which is characterized in that: fixed ring (9) both ends all with No. two fixed plate (10) fixed connection, No. two fixed plate (10) surfaces are provided with the through-hole, No. two connecting bolt (11) pass the through-hole and peg graft with No. two fixed plate (10).

8. The rotary drilling protective cylinder applied to quicksand according to claim 1, which is characterized in that: a plurality of second connecting bolts (11) are inserted into the surface of the second fixing plate (10), the second connecting bolts (11) are uniformly distributed on the surface of the second fixing plate (10), and the second connecting bolts (11) are in threaded connection with second connecting nuts (12).

9. The rotary drilling protective cylinder applied to quicksand according to claim 1, which is characterized in that: the fixed cover body (2) surface is provided with a plurality of connecting pipes (4), and is a plurality of connecting pipe (4) evenly distributed is on the fixed cover body (2) surface, connector (3) external water supply equipment.

10. The rotary drilling protective cylinder applied to quicksand according to claim 1, which is characterized in that: the fixing rod (13) is fixedly connected with the water spraying pipe (5) at two ends, the middle of the fixing rod (13) is fixedly connected with the telescopic rod (14), a through hole is formed in the surface of the baffle (17), a groove is formed in the surface of the baffle (17), and the fixing ring (16) is located in the groove and is tightly attached to the baffle (17).