CN218092922U

CN218092922U - Rotary drilling full-protection cylinder

Info

Publication number: CN218092922U
Application number: CN202222646521.7U
Authority: CN
Inventors: 于海洋; 闫攀飞; 陈文萍; 梁亮; 杨毅; 卢其波; 周琪; 马敏
Original assignee: Third Engineering Co Ltd of China Railway 23rd Bureau Group Co Ltd
Current assignee: Third Engineering Co Ltd of China Railway 23rd Bureau Group Co Ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2022-12-20
Anticipated expiration: 2032-10-09

Abstract

The utility model relates to a dig soon and bore and protect a section of thick bamboo entirely, including protecting a main part, its characterized in that: protect and be equipped with the brace rod in the section of thick bamboo main part, the fixed block, the chassis, the fixed column, flexible grafting mechanism and connecting block, a section of thick bamboo main part inner wall is all located to brace rod and fixed block, the brace rod top is located to the fixed block, the brace rod top is located on the chassis and can slides from top to bottom along the fixed block, the chassis middle part is located to the fixed column, fixed capital portion is equipped with the counter bore, the connecting block locate in the counter bore and with fixed column swing joint, flexible grafting mechanism locates on the chassis, the connecting block rotates with flexible grafting mechanism to be connected, the square drill bit of brill digging rig passes through the connecting block and drives flexible grafting mechanism and can dismantle with the fixed block and be connected. The utility model has the advantages of: the flexible disassembly and assembly between the rotary drilling rig and the pile casing can be realized, the operation is convenient, and the working efficiency is improved.

Description

Rotary drilling full-protection cylinder

Technical Field

The utility model relates to a dig soon and bore construction technical field, concretely relates to dig soon and bore and protect a section of thick bamboo entirely.

Background

When cast-in-place pile construction is carried out in deep loose filling, mucky soil, coarse sand and other strata, problems of necking, hole collapse and the like are easy to occur, and a deep and long pile casing is often required to penetrate through a poor stratum and a permeable layer during construction, so that the bottom end of the pile casing enters an effective water barrier layer to achieve the effect of wall protection.

The traditional construction method for placing the pile casings generally comprises three methods: firstly, a method of hoisting and placing a protective cylinder after pre-drilling holes by rotary drilling is adopted; secondly, a method that the rotary drill is connected with the protective cylinder through a connector and then the protective cylinder is directly put down is adopted; thirdly, a method for sinking the pile casing by adopting a large-scale vibration hammer is adopted.

Patent publication No. CN208734281U discloses a protective cylinder driving device of a rotary drilling rig, which comprises: the center of the base is provided with an opening; the connecting block is fixedly arranged at the center of the base; the bottom end of the telescopic sleeve is fixedly arranged on the upper surface of the base, one side end of the telescopic sleeve is fixedly connected with the connecting side, and the other side end of the telescopic sleeve and the upper surface of the base form a square blind hole; one end of the adjustable plate is arranged in a square blind hole formed between the telescopic sleeve and the upper surface of the base and can move in the square blind hole; the arc connecting plate, the fixed other end that sets up at the loose plate, still be equipped with on the arc connecting plate can with dig soon that to bore protect a section of thick bamboo and be connected protect a section of thick bamboo connecting hole, should protect a section of thick bamboo drive arrangement and be equivalent to the ware of plugging into, be used for protecting a section of thick bamboo with protecting a section of thick bamboo and transfer after being connected, applicable in the section of thick bamboo that protects of different models, but because this drive arrangement is connected with protecting a section of thick bamboo through the high strength bolt, it has to transfer and protects a problem that a back drive arrangement can't break away from with protecting a section of thick bamboo in actual work progress, and then lead to digging soon and bore also can't continue the operation, the flexibility is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a dig soon and bore a section of thick bamboo that protects entirely, can realize digging soon and bore and protect nimble dismouting between the section of thick bamboo, convenient operation promotes work efficiency.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a dig a brill and protect a section of thick bamboo entirely soon, including protecting a main part, be equipped with the brace rod in protecting a main part, the fixed block, a chassis, the fixed column, flexible grafting mechanism and connecting block, brace rod and fixed block are all located and are protected a main part inner wall, the brace rod top is located to the fixed block, the brace rod top is located on the chassis and can be slided from top to bottom along the fixed block, the chassis middle part is located to the fixed column, the fixed capital portion is equipped with the counter bore, the connecting block is located in the counter bore and with fixed column swing joint, flexible grafting mechanism locates on the chassis, the connecting block is connected with flexible grafting mechanism rotation, the square drill bit of digging the brill soon drives flexible grafting mechanism and can dismantle with the fixed block through the connecting block and be connected.

Further, brace rod and fixed block all have a plurality ofly, and a plurality of brace rods and a plurality of fixed block all distribute along the circumferencial direction array of protecting a main part.

Furthermore, the outer edge of the chassis is provided with a clamping opening which is clamped with the fixed block in a sliding manner.

Further, the L-shaped bayonets have been seted up on two relative lateral walls of fixed column, and the vertical section of L-shaped bayonet socket sets up along the axial direction of fixed column, and the connecting block lateral wall is equipped with and penetrates L-shaped bayonet socket and can be along the gliding slider of L-shaped bayonet socket.

Further, flexible grafting mechanism includes briquetting down, a spring, connecting rod and expansion plate, briquetting and spring are all located in the counter bore of connecting block below, the connecting block rotates with lower briquetting to be connected, the spring both ends respectively with briquetting bottom and counter bore bottom fixed connection, the expansion plate is equipped with a plurality ofly, a plurality of expansion plates slide locate on the chassis and with the fixed block one-to-one, connecting rod one end rotates with lower briquetting to be connected, the connecting rod other end passes the fixed column and rotates with the expansion plate to be connected, lower briquetting drives the expansion plate through the connecting rod when moving down and slides to the fixed block and peg graft with the jack on the fixed block.

Furthermore, a slide way is arranged on the chassis, the expansion plate is arranged in the slide way in a sliding manner, and when the lower pressing block moves downwards, the lower pressing block drives the expansion plate to extend out of the slide way and then to be inserted into the jack.

Furthermore, the side wall of the fixing column is provided with an opening which is convenient for the connecting rod to move.

Furthermore, a square socket matched with a square drill bit of the rotary drilling rig is formed in the top of the connecting block.

The utility model has the advantages of it is following:

through the arrangement of the supporting ribs, the fixed block, the chassis, the fixed column, the telescopic inserting mechanism and the connecting block are utilized to form a connector, after a square drill bit of a rotary drill is inserted into the connecting block, the telescopic inserting mechanism is driven to be inserted into the fixed block by pressing the connecting block downwards, then the connecting block is clamped with the fixed column through rotation, the protective cylinder main body can be further driven to rotate, and meanwhile, the protective cylinder main body is pressed downwards through the supporting ribs so as to lower the protective cylinder; after the protection cylinder main body is placed and finished, the square drill bit is turned reversely, the connecting block can move relative to the fixing column, the telescopic inserting mechanism is automatically separated from the fixing block, and the connector and the square drill bit formed by the chassis, the fixing column, the telescopic inserting mechanism and the connecting block can be separated from the protection cylinder main body, so that the rotary drilling drill can continue operation conveniently, and the use flexibility and the use efficiency of equipment are improved.

Drawings

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

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic structural view of the middle fixing column of the present invention.

In the figure: 1. a casing main body; 2. supporting ribs; 3. a fixed block; 4. a chassis; 5. fixing the column; 6. connecting blocks; 7. a counter bore; 8. an L-shaped bayonet; 9. a slider; 10. pressing the block; 11. a spring; 12. a connecting rod; 13. A retractable plate; 14. a jack; 15. a slideway; 16. an opening; 17. a square socket.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

As shown in fig. 1-3, a rotary drilling full-protection cylinder comprises a cylinder protection body 1, a supporting rib 2 is arranged in the cylinder protection body 1, a fixing block 3, a chassis 4, a fixing column 5, a telescopic plugging mechanism and a connecting block 6, wherein the supporting rib 2 and the fixing block 3 are fixed on the inner wall of the cylinder protection body 1 in a welding mode and the like, the fixing block 3 is located above the supporting rib 2, the chassis 4 is also located above the supporting rib 2 and can slide up and down along the fixing block 3, the fixing column 5 is fixed in the middle of the chassis 4 in a welding mode and the like, a counter bore 7 is formed in the top of the fixing column 5, the connecting block 6 is located in the counter bore 7 and is movably connected with the fixing column 5, a square socket 17 matched with a square drill bit of the rotary drilling is formed in the top of the connecting block 6, the telescopic plugging mechanism is located on the chassis 4, the connecting block 6 is rotatably connected with the telescopic plugging mechanism, and the square drill bit of the rotary drilling can drive the telescopic plugging mechanism to be detachably connected with the fixing block 3 through the connecting block 6. The chassis 4, the fixed column 5, the telescopic inserting mechanism and the connecting block 6 jointly form a connector structure, and then the rotary drill can drive the pile casing to be lowered through the connector structure.

Specifically, brace rod 2 and fixed block 3 all have a plurality ofly, and a plurality of brace rods 2 and a plurality of fixed block 3 all distribute along the circumferencial direction array of protecting a main part 1, as shown in fig. 2, brace rod 2 and fixed block 3 in this embodiment have all set up four, but the actual quantity of brace rod 2 and fixed block 3 can set up according to actual demand, and does not restrict.

The chassis 4 is outer along offering the block mouth with 3 slip blocks of fixed block to in chassis 4 slides along fixed block 3, and then the connector structure that chassis 4, fixed column 5, flexible grafting mechanism and connecting block 6 are constituteed jointly can be in a flexible way from protecting the section of thick bamboo dismouting.

As shown in fig. 3, two opposite side walls of the fixing column 5 are provided with L-shaped bayonets 8, the vertical section of the L-shaped bayonets 8 is arranged along the axial direction of the fixing column 5, and with reference to fig. 1, a sliding block 9 which penetrates through the L-shaped bayonets 8 and can slide along the L-shaped bayonets 8 is fixed on the side wall of the connecting block 6.

As shown in fig. 1, the telescopic plugging mechanism comprises a lower pressing block 10, a spring 11, a connecting rod 12 and a telescopic plate 13, wherein the pressing block and the spring 11 are both arranged in a counter bore 7 below a connecting block 6, the connecting block 6 is rotatably connected with the lower pressing block 10, and two ends of the spring 11 are respectively fixedly connected with the bottom of the pressing block and the bottom of the counter bore 7; a plurality of telescopic plates 13 are arranged, the plurality of telescopic plates 13 are arranged on the chassis 4 in a sliding manner and correspond to the fixed blocks 3 one by one, preferably, slideways 15 are fixed on the chassis 4, and the telescopic plates 13 can slide towards the fixed blocks 3 in the slideways 15 and can extend out of the slideways 15; one end of a connecting rod 12 is rotatably connected with the lower pressing block 10 in a hinged mode and the like, the other end of the connecting rod 12 penetrates through the fixing column 5 and is rotatably connected with the expansion plate 13 in a hinged mode and the like, and a jack 14 matched with the expansion plate 13 is formed in the fixing block 3, so that when the lower pressing block 10 moves downwards, the lower pressing block 10 drives the expansion plate 13 to slide towards the fixing block 3 through the connecting rod 12 and is connected with the jack 14 in the fixing block 3 in an inserting mode. Preferably, as shown in fig. 3, an opening 16 is provided on the sidewall of the fixed pillar 5 for facilitating the movement of the connecting rod 12.

The working process of the utility model is as follows:

inserting a square drill bit of a rotary drill into a square socket 17 on the connecting block 6, further driving the expansion plate 13 to be inserted into the jack 14 on the fixing block 3 by pressing the connecting block 6 downwards, in the process, the sliding block 9 on the connecting block 6 moves downwards along the vertical section of the L-shaped bayonet 8 to the transverse section of the L-shaped bayonet 8, the spring 11 is compressed, then the sliding block 9 is clamped into the transverse section of the L-shaped bayonet 8 by rotating, further clamping the connecting block 6 with the fixing column 5, then continuously driving the protective cylinder main body 1 to rotate, and meanwhile, pushing the protective cylinder main body 1 downwards by the aid of force transmission of the supporting ribs 2 so as to lower the protective cylinder; after the section of thick bamboo main part 1 is transferred and is accomplished, through the square drill bit of reversal, make slider 9 break away from the horizontal section of L type bayonet socket 8, and lift square drill bit, briquetting 10 jack-up will be down automatically to spring 11, and then make expansion plate 13 break away from with fixed block 3, chassis 4 like this, fixed column 5, the connector and the square drill bit that flexible grafting mechanism and connecting block 6 are constituteed all can break away from with section of thick bamboo main part 1 protects, so that continue to transfer other and protect a section of thick bamboo, chassis 4, fixed column 5, the connector accessible that flexible grafting mechanism and connecting block 6 are constituteed sets up the lifting hook on chassis 4 then through the hoist that corresponds with it can, convenient operation in the whole working process, the flexibility is strong, be favorable to promoting work efficiency.

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

Claims

1. The utility model provides a dig soon and bore and protect a section of thick bamboo entirely, includes a section of thick bamboo main part (1), its characterized in that: be equipped with brace rod (2) in protecting a section of thick bamboo main part (1), fixed block (3), chassis (4), fixed column (5), flexible grafting mechanism and connecting block (6), brace rod (2) and fixed block (3) are all located and are protected a section of thick bamboo main part (1) inner wall, brace rod (2) top is located in fixed block (3), chassis (4) are located brace rod (2) top and can be slided from top to bottom along fixed block (3), chassis (4) middle part is located in fixed column (5), fixed column (5) top is equipped with counter bore (7), locating in counter bore (7) and with fixed column (5) swing joint connecting block (6), flexible grafting mechanism locates on chassis (4), connecting block (6) rotate with flexible grafting mechanism and are connected, the square drill bit of digging the brill soon drives flexible grafting mechanism and can dismantle with fixed block (3) through connecting block (6).

2. The rotary drilling full casing according to claim 1, wherein: the supporting ribs (2) and the fixing blocks (3) are multiple, and the supporting ribs (2) and the fixing blocks (3) are distributed in an array mode along the circumferential direction of the casing main body (1).

3. The rotary drilling full casing according to claim 1, wherein: the outer edge of the chassis (4) is provided with a clamping opening which is clamped with the fixed block (3) in a sliding way.

4. The rotary drilling full casing according to claim 1, wherein: l-shaped bayonets (8) are formed in two opposite side walls of the fixing column (5), the vertical section of each L-shaped bayonet (8) is arranged along the axial direction of the fixing column (5), and a sliding block (9) which penetrates into each L-shaped bayonet (8) and can slide along each L-shaped bayonet (8) is arranged on the side wall of the connecting block (6).

5. The rotary drilling full casing according to claim 1, wherein: flexible grafting mechanism includes briquetting (10) down, spring (11), connecting rod (12) and expansion plate (13), briquetting and spring (11) are all located in counter bore (7) of connecting block (6) below, connecting block (6) rotate with briquetting (10) down and are connected, spring (11) both ends respectively with briquetting bottom and counter bore (7) bottom fixed connection, expansion plate (13) are equipped with a plurality ofly, a plurality of expansion plate (13) slide locate on chassis (4) and with fixed block (3) one-to-one, connecting rod (12) one end rotates with briquetting (10) down and is connected, connecting rod (12) other end passes fixed column (5) and rotates with expansion plate (13) and is connected, briquetting (10) drive expansion plate (13) through connecting rod (12) down and slide to fixed block (3) and peg graft with jack (14) on fixed block (3) when briquetting (10) move down.

6. The rotary drilling full casing according to claim 5, wherein: a slide way (15) is arranged on the chassis (4), the expansion plate (13) is arranged in the slide way (15) in a sliding manner, and when the lower pressing block (10) moves downwards, the lower pressing block (10) drives the expansion plate (13) to extend out of the slide way (15) and then is inserted into the jack (14).

7. The rotary drilling full casing according to claim 5, wherein: the side wall of the fixed column (5) is provided with an opening (16) which is convenient for the connecting rod (12) to move.

8. The rotary drilling full casing according to claim 1, wherein: the top of the connecting block (6) is provided with a square socket (17) matched with a square drill bit of the rotary drilling rig.