CN218911434U

CN218911434U - Combined type bored pile positioning structure

Info

Publication number: CN218911434U
Application number: CN202223092732.7U
Authority: CN
Inventors: 杨芳; 王朋飞; 黄丽娟; 张永国
Original assignee: Hubei Jiangrun Construction Group Co ltd
Current assignee: Hubei Jiangrun Construction Group Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-04-25
Anticipated expiration: 2032-11-21

Abstract

The application relates to the technical field of pile foundation construction, and particularly discloses a combined type bored pile positioning structure, which comprises a pile casing, wherein a positioning disc is coaxially sleeved outside the pile casing, and a through hole for allowing the pile casing to pass through is formed in the axis of the positioning disc; the positioning disk is provided with a plurality of clamping claws which are distributed at equal intervals along the axis of the positioning disk in a sliding manner, the edge of the positioning disk is also hinged with a plurality of clamping rods which correspond to the clamping claws in a one-to-one correspondence manner, the clamping claws are hinged with corresponding connecting rods which are hinged with the clamping rods, the hinging parts of the connecting rods and the clamping rods are positioned at one ends, closer to the edge of the positioning disk, of the middle parts of the clamping rods, and the positioning disk is also provided with a driving device which is used for driving the clamping claws to synchronously slide along the axial direction of the positioning disk. The application has the effect that improves and adjusts a plurality of centering mechanisms respectively and lead to complex operation reduction efficiency of construction problem.

Description

Combined type bored pile positioning structure

Technical Field

The application relates to the technical field of pile foundation construction, in particular to a combined type bored pile positioning structure.

Background

The existing road and municipal engineering contain a large number of foundation pit excavation engineering, and have many cases that geological conditions are poor, slope excavation cannot be carried out and hole pile construction is difficult, under the condition, the cast-in-situ bored pile is usually adopted for supporting, reinforcing and protecting, the cast-in-situ bored pile is formed in foundation soil through mechanical, steel pipe soil squeezing or manual excavation and the like, a reinforcement cage is placed in the cast-in-situ bored pile, concrete is poured into the pile to form the pile, and in order to ensure smooth drilling, the cast-in-situ bored pile to be constructed is usually required to be supported and positioned by using a steel pile casing before drilling.

The Chinese patent with publication number of CN210288403U discloses a drilling bored concrete pile steel reinforcement cage positioner, including a pile casing and a plurality of centering mechanisms, each centering mechanism evenly distributes around the center pin of a pile casing, centering mechanism includes the bracing piece and is used for the rolling element that contacts with the steel reinforcement cage, and the one end of bracing piece articulates on the inner wall of a pile casing, and the rolling element is installed at the other end of bracing piece, is equipped with the telescopic machanism that is used for driving the bracing piece pivoted between the inner wall of bracing piece and a pile casing.

To above-mentioned related art, when carrying out centering location to the steel reinforcement cage, because steel reinforcement cage weight is great, can constantly rock at the steel reinforcement cage in-process of transferring, the user often needs many times and adjusts a plurality of centering mechanisms respectively and fix a position the steel reinforcement cage, and the operation is comparatively loaded down with trivial details, has increased engineering time, has reduced efficiency of construction.

Disclosure of Invention

In order to improve and adjust a plurality of centering mechanisms respectively and lead to the problem that complex operation reduces the efficiency of construction, this application provides a modular bored concrete pile location structure.

The application provides a combination formula bored concrete pile location structure adopts following technical scheme:

a combined type bored pile positioning structure comprises a pile casing, wherein a positioning disc is coaxially sleeved outside the pile casing, and a through hole for allowing the pile casing to pass through is formed in the axis of the positioning disc; the positioning disk is provided with a plurality of clamping claws which are distributed at equal intervals along the axis of the positioning disk in a sliding manner, the edge of the positioning disk is also hinged with a plurality of clamping rods which correspond to the clamping claws in a one-to-one manner, the clamping claws are hinged with corresponding connecting rods which are hinged with the clamping rods, the hinging parts of the connecting rods and the clamping rods are positioned at one ends, closer to the edge of the positioning disk, of the middle parts of the clamping rods, and the positioning disk is also provided with a driving device for driving the clamping claws to synchronously slide along the radial direction of the positioning disk.

Through adopting above-mentioned technical scheme, after confirming the axle center position of a section of thick bamboo below of protecting, the section of thick bamboo is protected in the decline, drive a plurality of jack catch synchronous along the radial slip of positioning disk through drive arrangement, drive the contained angle between connecting rod and the jack catch and diminish, and then reduce the contained angle between clamping lever and the jack catch, make the one end that the positioning disk was kept away from to the clamping lever be close to the axle center department of positioning disk, because the articulated portion of connecting rod and clamping lever is located the one end that the clamping lever middle part is close to the positioning disk edge, the distance that the one end that the positioning disk was kept away from to the clamping lever was removed is greater than the distance that the jack catch removed, a plurality of jack catch supports tightly to a section of thick bamboo simultaneously, realize improving and adjust a plurality of centering mechanisms respectively and lead to complex operation reduction efficiency of construction problem's effect.

Optionally, be provided with on the positioning disk and be used for driving the jack catch only along the radial gliding stop gear of positioning disk, drive arrangement includes the jack catch is close to a plurality of archs of one side rigid coupling of positioning disk and drive the rotatory drive assembly of positioning disk, the positioning disk is kept away from a section of thick bamboo one side and has been seted up with a plurality of protruding engaged plane thread groove, the pitch of plane thread groove equals.

Through adopting above-mentioned technical scheme, order about the positioning disk rotatory through drive assembly, owing to the rigid coupling has a plurality of archs with the planar thread groove meshing on the positioning disk on the jack catch, when the positioning disk is rotatory, through stop gear with the direction of movement restriction of jack catch at the radial of positioning disk, the positioning disk can drive the jack catch and radially slide along the positioning disk, owing to the pitch of planar thread groove equals, a plurality of jack catches also equals on the positioning disk gliding distance, realizes order about a plurality of jack catch synchronous along the radial gliding effect of positioning disk.

Optionally, the driving assembly comprises a driven bevel gear fixedly connected with one side of the positioning disk, which is far away from the clamping jaw, a driving bevel gear meshed with the driven bevel gear, and a driving piece for driving the driving bevel gear to rotate.

Through adopting above-mentioned technical scheme, the user drives the drive bevel gear through the driving piece and rotates, drives the driven bevel gear rotatory with the drive bevel gear meshing, because driven bevel gear and positioning disk rigid coupling, the positioning disk can follow-up the drive bevel gear together rotatory, realizes driving the rotatory effect of positioning disk.

Optionally, the big end of the drive bevel gear is provided with a special-shaped hole.

By adopting the technical scheme, a user can realize the control on the rotation of the drive bevel gear by using a tool which is inserted into the special-shaped hole and is rotationally matched with the special-shaped hole.

Optionally, a dust cover is arranged on the positioning disc.

Through adopting above-mentioned technical scheme, construction site can splash a lot of dust and earth in the work progress, and the shield can improve positioning disk and the device on the positioning disk influences positioning disk pivoted problem because of getting into earth.

Optionally, an arc plate with an intrados pointing to the axis of the positioning disc is arranged at one end of the clamping rod away from the positioning disc.

Through adopting above-mentioned technical scheme, the intrados of arc and the laminating of the extrados of protecting a section of thick bamboo have improved the location accuracy to protecting a section of thick bamboo.

Optionally, a guiding slope is arranged at one end of the arc-shaped plate far away from the positioning disc.

Through adopting above-mentioned technical scheme, the guide slope can play the guide effect to the protective casing, and the protective casing of being convenient for enters into between a plurality of arc.

Optionally, an anti-collision layer is arranged on the arc-shaped plate.

Through adopting above-mentioned technical scheme, can take place to conflict and collision with the protective casing at the in-process of arc centering, the anticollision layer can improve the arc centering in-process and the impaired problem of protective casing striking, prolongs the life of arc.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the driving device drives the clamping claws to synchronously slide along the radial direction of the positioning disk, so that one end of the clamping rod, which is far away from the positioning disk, is close to the axis of the positioning disk, and the moving distance of the clamping rod, which is far away from the positioning disk, is greater than the moving distance of the clamping claws, and the clamping claws simultaneously support the protective cylinder, thereby improving the effect of reducing the construction efficiency caused by complex operation by respectively adjusting the centering mechanisms;

2. the driving bevel gear is driven to rotate through the driving piece, the driven bevel gear meshed with the driving bevel gear is driven to rotate, the positioning disk can rotate along with the driven bevel gear, the positioning disk can drive the clamping jaws to slide along the radial direction of the positioning disk, and the effect of driving the clamping jaws to slide along the radial direction of the positioning disk synchronously is achieved;

3. the inner cambered surface of the arc-shaped plate is attached to the outer cambered surface of the protective cylinder, so that the positioning accuracy of the protective cylinder is improved. The guide slope can play a guiding role on the protective cylinder, and the protective cylinder can conveniently enter between a plurality of arc plates.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 isbase:Sub>A schematic cross-sectional view taken along linebase:Sub>A-base:Sub>A in fig. 1.

Fig. 3 is an exploded view of an embodiment of the present application for mainly showing a driving device.

Reference numerals: 1. a protective barrel; 21. a positioning plate; 22. a planar thread groove; 23. a driven bevel gear; 24. a dust cover; 25. a limiting disc; 251. a chute; 252. a limit bar; 31. a claw; 311. a limit groove; 26. a fixed plate; 261. a rolling hole; 32. a clamping rod; 321. an arc-shaped plate; 33. a connecting rod; 34. a protrusion; 41. a drive bevel gear; 42. a profiled hole; 43. and rolling the ring.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a combined type bored pile positioning structure. Referring to fig. 1 and 2, a combined bored pile positioning structure comprises a casing 1, wherein a positioning disc 21 is coaxially sleeved outside the casing 1, and a through hole for allowing the casing 1 to pass through is formed in the axis of the positioning disc 21; the positioning disk 21 is radially and slidably connected with a plurality of clamping claws 31 which are distributed at equal intervals along the axis of the positioning disk 21, the edge of the positioning disk 21 is also hinged with a plurality of clamping rods 32 which are in one-to-one correspondence with the positions of the clamping claws 31, the clamping claws 31 are hinged with connecting rods 33 which are hinged with the corresponding clamping rods 32, the hinged parts of the connecting rods 33 and the clamping rods 32 are positioned at one end, closer to the edge of the positioning disk 21, of the middle part of the clamping rods 32, and the positioning disk 21 is also provided with a driving device which is used for driving the clamping claws 31 to synchronously slide along the axial direction of the positioning disk 21. A plurality of mounting seats are fixedly connected to the land on the periphery of the determined drilling hole, and the positioning disk 21 is connected to the plurality of mounting seats in a common rotation manner.

After the axis position below the pile casing 1 is determined, the pile casing 1 is lowered, the driving device drives the clamping claws 31 to synchronously slide along the direction that the axial direction of the positioning disk 21 is close to the axis of the positioning disk 21, the included angle between the connecting rod 33 and the clamping claws 31 is driven to be reduced, and then the included angle between the clamping rods 32 and the clamping claws 31 is reduced, so that one end of the clamping rods 32 far away from the positioning disk 21 is close to the axis of the positioning disk 21, as the hinge part of the connecting rod 33 and the clamping rods 32 is positioned at one end of the middle part of the clamping rods 32, which is closer to the edge of the positioning disk 21, the moving distance of one end of the clamping rods 32 far away from the positioning disk 21 is greater than the moving distance of the clamping claws 31, and the pile casing 1 is simultaneously propped against by the clamping claws 31, thereby realizing the effect of reducing the construction efficiency caused by the complicated operation of respectively adjusting the centering mechanisms.

In order to limit the sliding direction of the claw 31 to the radial direction of the positioning disk 21, referring to fig. 2 and 3, a side, close to the claw 31, of the positioning disk 21 is covered with a limiting disk 25, a sliding groove 251 for allowing the claw 31 to pass through is radially formed in the limiting disk 25, the sliding groove 251 penetrates through the axial direction of the limiting disk 25 and does not penetrate through the radial direction of the limiting disk 25, two limiting strips 252 along the radial direction of the limiting disk 25 are fixedly connected to two opposite side walls of the sliding groove 251 respectively, and limiting grooves 311 which are correspondingly inserted into and slidably matched with the limiting strips 252 are formed in two opposite side walls of the claw 31. When the clamping jaw 31 slides, the limiting strip 252 slides in the limiting groove 311, and the limiting strip 252 and the limiting groove 311 are arranged along the radial direction of the positioning disc 21, so that the effect of limiting the moving direction of the clamping jaw 31 to the radial direction of the positioning disc 21 is achieved.

In order to drive the plurality of claws 31 to synchronously slide along the radial direction of the positioning disk 21, referring to fig. 2 and 3, the positioning disk 21 is rotatably arranged in the limiting disk 25, the driving device comprises a plurality of protrusions 34 fixedly connected with one side of the claws 31 close to the positioning disk 21, and one side of the positioning disk 21 far away from the claws 31 is fixedly connected with a driven bevel gear 23, a driving bevel gear 41 meshed with the driven bevel gear 23 and a driving piece for driving the driving bevel gear 41 to rotate. The drive bevel gear 41 may be provided in a single or in plural, and in this embodiment, three drive bevel gears 41 are provided. The positioning disk 21 is provided with a plane thread groove 22 meshed with a plurality of bulges 34 on one side far away from the casing 1, and the distance between two adjacent side walls of the plane thread groove 22 is equal.

The user drives the drive bevel gear 41 to rotate through the driving piece to drive the driven bevel gear 23 meshed with the drive bevel gear 41 to rotate, and because the driven bevel gear 23 is fixedly connected with the positioning disk 21, the positioning disk 21 can rotate along with the driven bevel gear 23, and because a plurality of protrusions 34 meshed with the plane thread grooves 22 on the positioning disk 21 are fixedly connected on the clamping claws 31, when the positioning disk 21 rotates, the distances of the sliding of the clamping claws 31 on the positioning disk 21 are equal because the pitches of the plane thread grooves 22 are equal, and the effect of driving the clamping claws 31 to synchronously slide along the direction of the radial direction of the positioning disk 21 close to the axle center of the positioning disk 21 is realized.

In order to keep the drive bevel gear 41 and the driven bevel gear 23 engaged all the time, referring to fig. 2 and 3, a rolling ring 43 is fixedly connected to the large end of the drive bevel gear 41, a fixed disk 26 is fixedly connected to one side of the limiting disk 25, which is close to the drive bevel gear 41, through a plurality of bolts, a rolling hole 261 through which the rolling ring 43 passes is formed in the circumferential side of the cambered surface of the fixed disk 26, the rolling hole 261 penetrates the radial direction of the fixed disk 26 and does not penetrate the axial direction of the fixed disk 26, and the rolling ring 43 is rotationally matched with the rolling hole 261. The position of the rolling ring 43 is restricted to a fixed position by the rolling hole 261, so that the driving bevel gear 41 and the driven bevel gear 23 are always kept engaged.

To drive the drive bevel gear 41 to rotate, referring to fig. 2 and 3, a large end of the drive bevel gear 41 is provided with a shaped hole. The shaped holes 42 may be square, pentagonal, hexagonal, etc., and in this embodiment, the shaped holes 42 are square. The user can control the rotation of the drive bevel gear 41 by using a tool that is inserted and rotationally fitted into the profiled hole 42. The tool may be a bolt, etc., and when the tool is a bolt, threads adapted to the bolt are correspondingly disposed in the special-shaped hole 42, and in this embodiment, only the bolt is used.

Considering that much dust and soil are splashed up at the construction site during the construction process, referring to fig. 2 and 3, the dust cover 24 is fixedly connected to the fixing plate 26. The dust cover 24 can improve the problem that the rotation of the positioning disk 21 is affected by the entering soil of the device on the positioning disk 21.

In order to make the process of lowering the casing 1 smoother, referring to fig. 2 and 3, an arc plate 321 with an intrados directed to the axis of the positioning disk 21 is disposed at one end of the clamping rod 32 away from the positioning disk 21. The arc 321 and the clamping rod 32 can be connected by a fixed connection, a hinged connection or the like, and in this embodiment, the arc 321 and the clamping rod 32 are hinged. The inner cambered surface of the arc plate 321 is attached to the outer cambered surface of the protective cylinder 1, so that the positioning accuracy of the protective cylinder 1 is improved. The one end that positioning disk 21 was kept away from to arc 321 is provided with the direction slope, and the inside diameter interval of one end that positioning disk 21 was kept away from to arc 321 is biggest, and the direction slope can play the guide effect to the protective casing 1, and the protective casing 1 of being convenient for enters into between a plurality of arcs 321.

In another embodiment, the arc 321 is provided with an anti-collision layer, considering that collision and collision with the casing 1 can occur during the centering of the arc 321. The anti-collision layer can improve the problem that the arc 321 is damaged when being impacted with the protective cylinder 1 in the centering process, and prolongs the service life of the arc 321.

The implementation principle of the combined type bored pile positioning structure provided by the embodiment of the application is as follows: after the axis position below the pile casing 1 is determined, the pile casing 1 is lowered, the driving bevel gear 41 is driven to rotate through the driving piece, the driven bevel gear 23 meshed with the driving bevel gear 41 is driven to rotate, the driven bevel gear 23 is fixedly connected with the positioning disc 21, the positioning disc 21 can rotate along with the driven bevel gear 23, the clamping jaw 31 is fixedly connected with a plurality of protrusions 34 meshed with the plane thread grooves 22 on the positioning disc 21, when the positioning disc 21 rotates, the pitches of the plane thread grooves 22 are equal, the sliding distances of the clamping jaws 31 on the positioning disc 21 are equal, the included angle between the connecting rod 33 and the clamping jaws 31 is driven to be smaller, the included angle between the clamping rod 32 and the clamping jaws 31 is further reduced, one end of the clamping rod 32, which is far away from the positioning disc 21, is close to the axis position of the positioning disc 21, and the hinge part of the connecting rod 33 and the clamping rod 32 is located at one end, which is far away from the edge of the positioning disc 21, of the clamping rod 32 is greater than the moving distance of the clamping jaw 31, and the pile casing 1 is simultaneously abutted.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a modular bored concrete pile location structure, includes a section of thick bamboo (1), its characterized in that: a positioning disc (21) is coaxially sleeved outside the protective cylinder (1), and a through hole for allowing the protective cylinder (1) to pass through is formed in the axis of the positioning disc (21);

the positioning disc (21) is provided with a plurality of clamping claws (31) which are distributed at equal intervals along the axis of the positioning disc (21) in a sliding manner along the radial direction of the positioning disc (21), the edges of the positioning disc (21) are also hinged with a plurality of clamping rods (32) which correspond to the clamping claws (31) in a one-to-one manner, the clamping claws (31) are hinged with corresponding connecting rods (33) hinged with the clamping rods (32), the hinge parts of the connecting rods (33) and the clamping rods (32) are positioned at one ends, closer to the edges of the positioning disc (21), of the middle parts of the clamping rods (32), and the positioning disc (21) is also provided with a driving device for driving the clamping claws (31) to slide along the radial direction of the positioning disc (21) synchronously.

2. A modular bored pile positioning structure according to claim 1, wherein: be provided with on positioning disk (21) and be used for driving jack catch (31) only along positioning disk (21) radial slip's stop gear, drive arrangement includes jack catch (31) are close to a plurality of archs (34) of one side rigid coupling of positioning disk (21) and drive the rotatory drive assembly of positioning disk (21), positioning disk (21) are kept away from and are protected barrel (1) one side and have been seted up with a plurality of plane thread groove (22) of protruding (34) meshing, the pitch of plane thread groove (22) equals.

3. A modular bored pile positioning structure according to claim 2, wherein: the driving assembly comprises a driven bevel gear (23) fixedly connected with one side, far away from the clamping jaw (31), of the positioning disc (21), a driving bevel gear (41) meshed with the driven bevel gear (23) and a driving piece used for driving the driving bevel gear (41) to rotate.

4. A modular bored pile positioning structure according to claim 3, wherein: the big end of the drive bevel gear (41) is provided with a special-shaped hole.

5. A modular bored pile positioning structure according to any one of claims 1 to 4, wherein: a dust cover (24) is arranged on the positioning disc (21).

6. A modular bored pile positioning structure according to any one of claims 1 to 4, wherein: one end of the clamping rod (32) far away from the positioning disc (21) is provided with an arc plate (321) with an intrados pointing to the axis of the positioning disc (21).

7. A modular bored pile positioning structure according to claim 6, wherein: one end of the arc-shaped plate (321) far away from the positioning plate (21) is provided with a guide slope.

8. A modular bored pile positioning structure according to claim 6, wherein: an anti-collision layer is arranged on the arc-shaped plate (321).