CN218540672U - Protective cylinder for pore-forming construction - Google Patents

Abstract

The utility model discloses a pore-forming construction is with protecting a section of thick bamboo, the top is constructed to protect a section of thick bamboo main part and the activity sets up in the locating component who protects the outer fringe face top of a main part of a section of thick bamboo, locating component includes that the top is the support ring that the annular array has many reference columns and polylith to be constructed and extends the ear on the outer fringe face of support ring, the bottom of ring is the annular array and has seted up a plurality of reference column male constant head tanks that supply, the top of extending the ear is seted up between two parties and is supplied the screw thread ground nail to rotate the through-hole that sets up, and screw thread fit installs the expansion assembly who constructs in extending ear bottom on the outer fringe face of screw thread ground nail, and expansion assembly includes solid fixed ring and screw ring. This pore-forming construction is with protecting a section of thick bamboo can fix a position protecting a section of thick bamboo, can effectually avoid leading to protecting a section of thick bamboo because of soil is loose or equipment vibrations and take place the condition appearance that squints, still can support protecting a section of thick bamboo to avoid it to sink and lead to the drill way to collapse, the practicality is stronger.

Description

Protective cylinder for pore-forming construction

Technical Field

The utility model belongs to the technical field of the drilling construction, concretely relates to pore-forming construction is with protecting a section of thick bamboo.

Background

In recent years, the rotary drilling pore-forming technology is popular with owners and construction units due to the advantages of high drilling speed, good pore-forming quality, less pollution and the like, and is widely applied to pile foundation engineering construction. Compared with the traditional forward and reverse circulation drilling pore-forming process, the rotary drilling pore-forming process has the characteristics of itself.

In order to maintain the stability of the hole soil and ensure that the mud realizes normal circulation, workers mostly support the hole soil layer and the pressure generated by the self weight of the drilling machine equipment by arranging the protective cylinder, so that the mud smoothly realizes mud circulation through a mud hole on the protective cylinder and carries the drilling slag in the drilling hole into a mud pool outside the drilling hole.

The center position of the pile casing is required to be corrected when the conventional pile casing is installed, so that the problem that the deviation between a drill bit and a pile position is large during drilling is avoided, and even if the pile casing is corrected, the pile casing is easy to deviate due to loose soil or vibration of equipment, the normal operation of the construction progress is seriously influenced, and inconvenience is brought to workers;

and it because reasons such as soil layer or misoperation during the construction, protects a section of thick bamboo very easily and sinks, and then leads to the drill way to collapse to protect a section of thick bamboo at present, has brought very big inconvenience for the staff, and the practicality is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pore-forming construction is with protecting a section of thick bamboo to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pile casing for pore-forming construction comprises a pile casing main body with a circular ring at the top end and a positioning component movably arranged at the top of the outer edge surface of the pile casing main body;

the positioning assembly comprises a support ring and a plurality of extension lugs, wherein a plurality of positioning columns are constructed on the support ring in an annular array at the top end of the support ring, a plurality of positioning grooves for the positioning columns to insert are formed in the bottom end of the support ring in an annular array, a through hole for the threaded ground nail to rotate is formed in the middle of the top end of each extension lug, and an expansion assembly constructed at the bottom end of each extension lug is installed on the outer edge surface of the threaded ground nail in a threaded fit manner;

the expansion assembly comprises a fixing ring and a threaded ring, wherein the fixing ring is constructed at the bottom end of the extending lug, the threaded ring is installed on the threaded ground nail in a threaded fit mode, and a plurality of expansion assemblies fixedly connected to the threaded ring are constructed on the outer edge face of the fixing ring in an annular array mode.

Preferably, the expansion assembly comprises a first hinge seat and a second hinge seat, the first hinge seat is formed on the outer edge face of the fixing ring, the second hinge seat is formed on the outer edge face of the threaded ring, and the second hinge seat is movably connected with a second expansion arm.

Preferably, swing joint has expansion arm one on the above-mentioned articulated seat one, and the one end that expansion arm one kept away from articulated seat one is constructed between two parties and is had the connecting plate, and one side of connecting plate is seted up between two parties and is supplied the through hole that the axostylus axostyle rotated the setting.

Preferably, both ends of the shaft rod are fixedly connected with lug plates, and the two lug plates are symmetrically constructed at one end of the second expansion arm.

Preferably, the bottom end of the pile casing main body is detachably connected with an expansion cylinder through a connecting piece, and the bottom end of the pile casing main body and the two ends of the expansion cylinder are both provided with a connecting structure.

Preferably, the connecting structure comprises a conical cylinder with a flange plate at one end and a plurality of rib plates which are annularly arrayed on the outer edge surface of the conical cylinder and are fixedly welded with the flange plate, and the top end of the flange plate is annularly arrayed with a plurality of round holes for the connecting pieces to pass through.

The utility model discloses a technological effect and advantage: the pile casing for pore-forming construction benefits from the arrangement of a pile casing main body provided with a positioning assembly, four threaded ground nails rotationally arranged in four extending lugs are knocked into the ground, the levelness of the pile casing is tested by matching with a level meter, the center of the pile casing is corrected, after the correction is finished, the four threaded ground nails are screwed, a threaded ring is driven by the threaded ground nails to move upwards so as to push a plurality of expansion assemblies to expand, the positioning assembly is firmly fixed on the ground, then the pile casing main body constructed with a circular ring can be arranged in a supporting ring and inserted into a drill hole, the installation of the pile casing main body can be finished, the situation that the pile casing main body deviates due to loose soil or equipment vibration can be effectively avoided, the construction progress is prevented from being influenced, and the drilling operation of workers is facilitated;

thanks to the setting of locating component, through passing a plurality of constant head tanks on the ring respectively with many reference columns of structure on the support ring, can accomplish the location to protecting a main part, and the support ring cooperation four blocks of inside extension ears that are provided with screw ground nail can prevent effectively that a main part from sinking, prevent that the drill way from collapsing, and the practicality is stronger.

Drawings

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

FIG. 2 is a schematic view of the positioning assembly of the present invention;

FIG. 3 is a schematic view of the expansion assembly of the present invention;

fig. 4 is an enlarged schematic view of a structure a in fig. 1 according to the present invention.

In the figure: 1. a casing main body; 2. a circular ring; 3. a positioning assembly; 301. a support ring; 302. a positioning column; 303. an extension ear; 304. a threaded ground nail; 4. an expansion assembly; 401. a fixing ring; 402. a threaded ring; 403. a first hinge seat; 404. a first expansion arm; 405. a second hinge seat; 406. a second expansion arm; 407. a connecting plate; 408. an ear plate; 5. an expansion cylinder; 6. a tapered barrel; 7. a flange plate; 8. a rib plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

In order to avoid the situation that the casing main body 1 deviates due to loose soil or equipment vibration, so as to facilitate drilling operation of workers, as shown in fig. 1, 2 and 3, the casing for hole forming construction comprises a casing main body 1 with a ring 2 at the top end and a positioning assembly 3 movably arranged at the top of the outer edge surface of the casing main body 1, wherein the positioning assembly 3 comprises a support ring 301 with a plurality of positioning columns 302 at the top end in an annular array and a plurality of extending lugs 303 constructed on the outer edge surface of the support ring 301, a plurality of positioning grooves for the insertion of the positioning columns 302 are formed at the bottom end of the ring 2 in an annular array, a through hole for the rotation of a threaded ground nail 304 is formed in the center of the top end of the extending lugs 303 (in specific implementation, the rotation can be realized by a bearing without limitation), an expansion assembly 4 constructed at the bottom end of the extending lugs 303 is installed on the outer edge surface of the threaded ground nail 304 in a threaded fit manner, and four threaded ground nails 304 rotatably arranged in the four extending lugs 303 are knocked into the ground and matched with a level meter to test the level and perform center correction on the ground, so as to complete the setting of the positioning assembly 3;

the expansion assembly 4 comprises a fixing ring 401 constructed at the bottom end of the extension lug 303 and a threaded ring 402 installed on the threaded ground nail 304 in a threaded fit manner, a plurality of expansion assemblies fixedly connected to the threaded ring 402 are constructed on the outer edge surface of the fixing ring 401 in an annular array manner, the four threaded ground nails 304 are screwed, the threaded ground nail 304 drives the threaded ring 402 to move upwards so as to push the expansion assemblies to expand, the positioning assembly 3 is firmly fixed on the ground, and then the pile casing main body 1 constructed with the circular ring 2 can be arranged in the support ring 301 and inserted into a drill hole, so that the pile casing main body 1 can be installed;

the expansion assembly comprises a first hinge seat 403 constructed on the outer edge face of the fixing ring 401 and a second hinge seat 405 constructed on the outer edge face of the threaded ring 402, a second expansion arm 406 is movably connected to the second hinge seat 405, a first expansion arm 404 is movably connected to the first hinge seat 403, a connecting plate 407 is constructed in the middle of one end, away from the first hinge seat 403, of the first expansion arm 404, a through hole for the shaft to rotate and set is formed in the middle of one side of the connecting plate 407, two ends of the shaft are fixedly connected with lug plates 408, the two lug plates 408 are symmetrically constructed at one end of the second expansion arm 406, when the expansion assembly is extruded by the threaded ring 402, the connecting ends of the first expansion arm 404 and the second expansion arm 406 are pricked into soil on the peripheral side, the support ring 301 is firmly fixed on the earth surface, the situation that the protection cylinder main body 1 is deviated due to soil looseness or equipment vibration is effectively avoided, the influence on the normal operation of construction is prevented, and the drilling operation of workers is facilitated.

In order to prevent the casing main body 1 from sinking to avoid the orifice from collapsing, as shown in fig. 1 and fig. 2, the casing for pore-forming construction comprises a casing main body 1 with a ring 2 at the top end and a positioning component 3 movably arranged at the top of the outer edge surface of the casing main body 1, wherein the positioning component 3 comprises a support ring 301 with a plurality of positioning columns 302 in an annular array at the top end and a plurality of extending lugs 303 constructed on the outer edge surface of the support ring 301, a plurality of positioning grooves for inserting the positioning columns 302 are formed in the annular array at the bottom end of the ring 2, a through hole for rotating the threaded ground screw 304 is formed in the middle of the top end of the extending lug 303, the casing main body 1 with the ring 2 is inserted into the drill hole from the support ring 301, the positioning columns 302 constructed on the support ring 301 respectively pass through the plurality of positioning grooves on the ring 2 to complete the positioning of the casing main body 1, and the support ring 301 is matched with the extending lugs 303 with the threaded ground screw 304 arranged inside of the four blocks to effectively prevent the casing main body 1 from sinking to prevent the orifice from collapsing, thereby achieving high practicability.

For being applicable to the drilling of different degree of depth, as shown in fig. 1, fig. 4, this pore-forming construction is with protecting a section of thick bamboo, the bottom of protecting a section of thick bamboo main part 1 can be dismantled through the connecting piece and be connected with and expand a section of thick bamboo 5 (during the concrete implementation, the staff can add a plurality of both ends and be constructed the expansion section of thick bamboo 5 that has connection structure, in order to be applicable to the drilling of different degree of depth), the bottom of protecting a section of thick bamboo main part 1 and the both ends of expanding a section of thick bamboo 5 all are constructed connection structure, connection structure includes that one end is constructed the toper section of thick bamboo 6 and the polylith that have ring array 7 and be ring array structure on the outer fringe face of toper section of thick bamboo 6 and with ring flange 7 welded fastening's floor 8, ring flange 7's top is ring array structure and has a plurality of round holes that supply the connecting piece to pass (during the concrete implementation, the connecting piece can select for use the bolt that has the nut).

The working principle is as follows: when the pile casing for pore-forming construction is used, whether an expansion casing 5 is connected to a pile casing main body 1 or not is determined according to the field situation, then four threaded ground nails 304 which are rotatably arranged in four extension lugs 303 are knocked into the ground, the level of the four threaded ground nails is tested by matching with a level meter, the four threaded ground nails 304 are corrected, after the correction is completed, the four threaded ground nails 304 are screwed, a threaded ring 402 is driven to move upwards through the threaded ground nails 304 to push four expansion arms two 406 to drive four expansion arms one 404 to expand outwards and to be pricked into soil on the peripheral side, the support ring 301 is positioned, a positioning assembly 3 is firmly fixed on the ground, the pile casing main body 1 which is constructed with a circular ring 2 is penetrated into a drill hole through the support ring 301, then the four positioning columns 302 respectively penetrate through four positioning grooves on the circular ring 2 to complete the support of the pile casing main body 1, the installation of the pile casing main body 1 can be completed, the situation that the pile casing main body 1 is deviated due to soil loosening or equipment vibration can be effectively avoided, and the drilling operation of workers can be conveniently performed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims (6)

1. A pile casing for pore-forming construction comprises a pile casing main body (1) with a circular ring (2) at the top end and a positioning component (3) movably arranged at the top of the outer edge surface of the pile casing main body (1);

the method is characterized in that: the positioning assembly (3) comprises a support ring (301) with a plurality of positioning columns (302) at the top end and a plurality of extending lugs (303) constructed on the outer edge surface of the support ring (301), a plurality of positioning grooves for the positioning columns (302) to insert are formed in the bottom end of the circular ring (2), a through hole for the threaded ground nail (304) to rotate is formed in the center of the top end of each extending lug (303), and an expansion assembly (4) constructed on each extending lug (303) is installed on the outer edge surface of each threaded ground nail (304) in a threaded fit manner;

expansion block (4) are including constructing in solid fixed ring (401) and the screw ring (402) that screw-thread fit installed on screw ground nail (304) of extension ear (303) bottom, it has a plurality of fixed connection in the expansion block of screw ring (402) to be the annular array on the outer fringe face of solid fixed ring (401).

2. The pile casing for pore-forming construction according to claim 1, wherein: the expansion assembly comprises a first hinge seat (403) constructed on the outer edge surface of the fixing ring (401) and a second hinge seat (405) constructed on the outer edge surface of the threaded ring (402), and a second expansion arm (406) is movably connected to the second hinge seat (405).

3. The pile casing for pore-forming construction according to claim 2, wherein: articulated seat one (403) go up swing joint and have expansion arm one (404), and expansion arm one (404) keep away from the one end of articulated seat one (403) and construct connecting plate (407) between two parties, and the through hole that supplies the axostylus axostyle rotation to set up is seted up between two parties in one side of connecting plate (407).

4. The pile casing for pore-forming construction according to claim 3, wherein: both ends of the shaft rod are fixedly connected with ear plates (408), and the two ear plates (408) are symmetrically constructed at one end of the second expansion arm (406).

5. The pile casing for pore-forming construction according to claim 1, wherein: the bottom of the pile casing main body (1) is detachably connected with an expansion cylinder (5) through a connecting piece, and the bottom of the pile casing main body (1) and two ends of the expansion cylinder (5) are both provided with connecting structures.

6. The pile casing for pore-forming construction according to claim 5, wherein: the connecting structure comprises a conical barrel (6) with a flange plate (7) at one end and rib plates (8) which are annularly arrayed and formed on the outer edge surface of the conical barrel (6) and are fixedly welded with the flange plate (7), and a plurality of round holes for the connecting pieces to pass through are annularly arrayed and formed at the top end of the flange plate (7).

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