Fastening device for hoisting cast-in-place pile guide pipe

Abstract

The utility model discloses a fastening device for cast-in-place pile guide pipe hoisting, which belongs to the technical field of cast-in-place pile guide pipe hoisting and comprises a fixing block and a cylinder, a plurality of sliding grooves are formed in the outer wall of the cylinder, a clamping mechanism is arranged on the inner wall of the cylinder, and the clamping mechanism comprises a sliding block and a plurality of connecting plates. One side of the connecting plate is connected with the outer wall of the cylinder; according to the device, the clamping mechanism is arranged, an output shaft of a first motor rotates to drive a threaded rod to rotate, the threaded rod rotates to drive a sliding block and a plurality of racks to move downwards, a plurality of gears drive hinged plates on the two sides to rotate through a rotating rod, and the hinged plates drive clamping blocks to be unfolded upwards through hinged bases; the inner wall of the guide pipe can be supported and further clamped and fixed, and compared with the mode that the guide pipe is bound through a traditional steel wire rope, the mode is more stable, the phenomena of slipping and deviation are not prone to occurring, and the hoisting safety is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cast-in-place pile conduit hoisting, and in particular relates to a fastening device used for cast-in-place pile conduit hoisting. Background Art

[0002] A cast-in-place pile is a pile foundation made by pouring concrete or reinforced concrete in the hole by forming a pile hole in the foundation soil at the construction site through mechanical drilling, steel pipe squeezing or manual excavation. Depending on the hole-forming method, cast-in-place piles can be divided into several categories, such as sunken pipe cast-in-place piles, bored cast-in-place piles and excavated cast-in-place piles.

[0003] During the pouring process of bored piles, it is necessary to lower the conduit for concrete pouring to form the pile, and the conduit is installed in the hole by hoisting. The existing hoisting method is to directly tie the wire rope to the conduit. This hoisting method is not stable enough, and it is easy for the conduit to deviate or slip off the wire rope during the hoisting process, thereby affecting the safety of the workers. Secondly, the conduit is generally placed on the construction site, and there is a lot of dust and sediment on the construction site, which will adhere to the inner and outer walls of the conduit, reducing the friction coefficient of the conduit surface, and it is not convenient to fix the conduit during hoisting. Utility Model Content

[0004] The utility model aims to solve the problems that the prior art lifting method using steel wire rope is not stable enough and the dust and sand adhered to the surface of the conduit makes it difficult to fix, and proposes a fastening device for lifting the cast-in-place pile conduit.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A fastening device for hoisting a bored pile conduit comprises a fixing block and a cylinder, wherein the outer wall of the cylinder is provided with a plurality of slide grooves, and the inner wall of the cylinder is provided with a clamping mechanism;

[0007] The clamping mechanism includes a sliding block and multiple connecting plates, one side of the connecting plate is connected to the outer wall of the cylinder, the outer wall of the sliding block is slidably connected to the inner wall of the cylinder, the outer wall of the sliding block is connected to multiple racks, the outer wall of the rack is slidably connected to the inner wall of the slide groove, one side of the connecting plate is provided with a through groove, and the inner walls of two opposite through grooves are rotatably connected to the same rotating rod, the outer wall of the rotating rod is connected to a gear, one side of the gear is meshed with one side of the rack, both ends of the rotating rod extend outside the through groove and are connected to a hinge plate, one side of the hinge plate is hinged with a hinge seat, and one side of the two hinge seats on the same side is connected to the same clamping block.

[0008] As a further description of the above technical solution:

[0009] One side of the plurality of clamping blocks is connected to an anti-skid pad, and one side of the anti-skid pad is connected to a plurality of anti-skid strips.

[0010] As a further description of the above technical solution:

[0011] A threaded groove is provided at the bottom of the sliding block, a threaded rod is threadedly connected to the inner wall of the threaded groove, a support block is connected to the inner wall of the cylinder, a first motor is connected to the top of the support block, and an output shaft of the first motor is connected to one end of the threaded rod.

[0012] As a further description of the above technical solution:

[0013] The outer wall of the cylinder is provided with a plurality of sliding grooves, and the top of the fixed block is provided with a cleaning mechanism.

[0014] As a further description of the above technical solution:

[0015] The cleaning mechanism includes a second motor, a fixed plate, a groove and a sliding rod, one side of the second motor is connected to the top of the fixed block, the top of the fixed plate is connected to a hanging ring, the bottom of the fixed plate is connected to two supporting legs, the bottom of the supporting legs is connected to the top of the fixed block, the groove is opened at the bottom of the fixed block, a placement groove is opened on one side of the groove, the inner wall of the placement groove is rotatably connected to a rotating block, the bottom of the rotating block is connected to the top of the cylinder, and the output shaft of the second motor extends into the placement groove and is connected to the top of the rotating block.

[0016] As a further description of the above technical solution:

[0017] The outer wall of the sliding rod is slidably connected to the inner wall of the sliding groove, one end of the sliding rod is connected to a limiting block, one side of the limiting block is in contact with the inner wall of the cylinder, the other end of the sliding rod extends out of the sliding groove, and one end of the two sliding rods on the same side is connected to the same brush, a spring is provided on the outer sleeve of the sliding rod, and both ends of the spring are respectively connected to the outer wall of the cylinder and one side of the brush.

[0018] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0019] 1. In the utility model, a clamping mechanism is provided, and the threaded rod is driven to rotate by the rotation of the output shaft of the first motor. The rotation of the threaded rod drives the sliding block and multiple racks to move downward, and the multiple gears drive the hinged plates on both sides to rotate through the rotating rod. The hinged plates drive the clamping blocks to expand upward through the hinged seats, thereby supporting the inner wall of the catheter, and then clamping and fixing the inner wall of the catheter. Compared with bundling the catheter with traditional steel wire ropes, this method is more stable, and is not prone to slippage and deviation, thereby improving the safety of lifting.

[0020] 2. In the utility model, a cleaning mechanism is provided, and the rotation of the second motor output shaft drives the rotating block and the cylinder to rotate, and the rotation of the cylinder drives the sliding rod and the brush to rotate, so that the brush can clean the inner wall of the catheter, and then the dust and mud adhering to the inner wall of the catheter can be cleaned, thereby improving the friction coefficient of the inner wall of the catheter, making it easier for the clamping block, anti-slip pad and anti-slip strip to clamp and fix the catheter, further improving the clamping and fixing effect, and making the clamping more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0022] Figure 2 This is a schematic diagram of the cross-sectional structure of the sliding block of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the clamping block of the utility model;

[0024] Figure 4 This is a schematic diagram of the structure of the anti-skid pad of the utility model;

[0025] Figure 5 This is a schematic diagram of the cross-sectional structure of the fixed block of the utility model;

[0026] Figure 6 For this utility model Figure 5 The enlarged structural diagram of part A in the middle;

[0027] Figure 7 For this utility model Figure 5 The enlarged structural diagram of part B in the middle;

[0028] Figure 8 For this utility model Figure 5 Schematic diagram of the enlarged structure of part C in the middle.

[0029] Legend: 1. Fixed block; 2. Cylinder; 3. Slide groove; 4. Clamping mechanism; 401. Gear; 402. Through groove; 403. Rotating rod; 404. Hinge plate; 405. Hinge seat; 406. Clamping block; 407. Connecting plate; 408. Support block; 409. Sliding block; 410. Threaded groove; 411. Threaded rod; 412. First motor; 413. Rack; 414. Anti-skid pad; 415. Anti-skid strip; 5. Cleaning mechanism; 501. Lifting ring; 502. Fixed plate; 503. Support leg; 504. Second motor; 505. Placement groove; 506. Rotating block; 507. Brush; 508. Spring; 509. Sliding rod; 510. Limit block; 511. Groove; 6. Sliding groove. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-8 The utility model provides a technical solution: a fastening device for hoisting a bored pile conduit, comprising a fixing block 1 and a cylinder 2, a plurality of slide grooves 3 are provided on the outer wall of the cylinder 2, and a clamping mechanism 4 is provided on the inner wall of the cylinder 2;

[0032] The clamping mechanism 4 includes a sliding block 409 and a plurality of connecting plates 407, one side of the connecting plate 407 is connected to the outer wall of the cylinder 2, the outer wall of the sliding block 409 is slidably connected to the inner wall of the cylinder 2, the outer wall of the sliding block 409 is connected to a plurality of racks 413, the outer wall of the racks 413 is slidably connected to the inner wall of the slide groove 3, a through groove 402 is provided on one side of the connecting plate 407, and the inner walls of the two opposite through grooves 402 are rotatably connected to the same rotating rod 403, the outer wall of the rotating rod 403 is connected to a gear 401, one side of the gear 401 is meshed with one side of the rack 413, and both ends of the rotating rod 403 extend to the through groove 402 A hinged plate 404 is connected to the outside, a hinged seat 405 is hinged on one side of the hinged plate 404, and one side of the two hinged seats 405 on the same side is connected to the same clamping block 406, and one side of the multiple clamping blocks 406 is connected to an anti-slip pad 414, and one side of the anti-slip pad 414 is connected to multiple anti-slip strips 415, a threaded groove 410 is provided at the bottom of the sliding block 409, and a threaded rod 411 is threadedly connected to the inner wall of the threaded groove 410, a support block 408 is connected to the inner wall of the cylinder 2, and a first motor 412 is connected to the top of the support block 408, and the output shaft of the first motor 412 is connected to one end of the threaded rod 411.

[0033] The specific implementation method is as follows: by setting a clamping mechanism 4, the output shaft of the first motor 412 is rotated to drive the threaded rod 411 to rotate, the threaded rod 411 drives the sliding block 409 to move downward by rotating in the thread groove 410, the sliding block 409 moves downward to drive multiple racks 413 to move downward, the multiple racks 413 move downward to drive multiple gears 401 to rotate, the gear 401 drives the hinged plates 404 on both sides to rotate through the rotating rod 403, and the hinged plates 404 drive the clamping block 406 to expand upward through the hinge seat 405, so as to support the inner wall of the catheter, and then the inner wall of the catheter can be clamped and fixed. Compared with bundling the catheter with traditional steel wire rope, this method is more stable and not prone to slippage and deviation, thereby improving the safety of lifting, and by setting the anti-skid pad 414 and the anti-skid strip 415, the friction force on the surface of the clamping block 406 is increased, so that the clamping block 406 can better clamp and fix the inner wall of the catheter, thereby improving the stability of clamping.

[0034] The outer wall of the cylinder 2 is provided with a plurality of sliding grooves 6, and a cleaning mechanism 5 is provided on the top of the fixed block 1. The cleaning mechanism 5 includes a second motor 504, a fixed plate 502, a groove 511 and a sliding rod 509. One side of the second motor 504 is connected to the top of the fixed block 1, and a hanging ring 501 is connected to the top of the fixed plate 502. Two supporting legs 503 are connected to the bottom of the fixed plate 502. The bottom of the supporting leg 503 is connected to the top of the fixed block 1. The groove 511 is provided at the bottom of the fixed block 1. A placement groove 505 is provided on one side of the groove 511. The inner wall of the placement groove 505 is rotatably connected to a rotating block 506. The bottom of the rotating block 506 is connected to the top of the cylinder 2, the output shaft of the second motor 504 extends into the placement groove 505 and is connected to the top of the rotating block 506, the outer wall of the sliding rod 509 is slidably connected to the inner wall of the sliding groove 6, one end of the sliding rod 509 is connected to the limiting block 510, one side of the limiting block 510 is in contact with the inner wall of the cylinder 2, the other end of the sliding rod 509 extends to the outside of the sliding groove 6, and one end of the two sliding rods 509 on the same side is connected to the same brush 507, and a spring 508 is provided on the outer sleeve of the sliding rod 509, and the two ends of the spring 508 are respectively connected to the outer wall of the cylinder 2 and one side of the brush 507.

[0035] The specific implementation method is as follows: by setting a cleaning mechanism 5, the rotation of the output shaft of the second motor 504 drives the rotating block 506 to rotate, the rotation of the rotating block 506 drives the cylinder 2 to rotate, the rotation of the cylinder 2 drives the sliding rod 509 to rotate, and the rotation of the sliding rod 509 drives the brush 507 to rotate, so that the brush 507 can clean the inner wall of the catheter, and then can clean the dust and sediment adhering to the inner wall of the catheter, thereby improving the friction coefficient of the inner wall of the catheter, so that it is convenient for the clamping block 406, the anti-slip pad 414 and the anti-slip strip 415 to clamp and fix the catheter, further improving the clamping and fixing effect, and making the clamping more stable, by setting a limit block 510, the sliding rod 509 is prevented from sliding out of the sliding groove 6, by setting an inclined surface on one side of the bottom of the brush 507, it is convenient for the brush 507 to enter the inner wall of the catheter, and by setting a spring 508, the brush 507 can better fit the inner wall of the catheter after entering the inner wall of the catheter.

[0036] Working principle: When in use, the device is placed in the catheter, and the rotating block 506 is driven to rotate by the output shaft of the second motor 504, and the cylinder 2 is driven to rotate. The rotation of the cylinder 2 drives the sliding rod 509 to rotate, and drives the brush 507 to rotate, so that the brush 507 can clean the inner wall of the catheter, and then the threaded rod 411 is driven to rotate by the output shaft of the first motor 412, and the sliding block 409 is driven to move downward. The downward movement of the sliding block 409 drives multiple racks 413 to move downward, and drives multiple gears 401 to rotate. The gear 401 drives the hinged plates 404 on both sides to rotate through the rotating rod 403, and the hinged plates 404 drive the clamping block 406 to expand upward through the hinge seat 405, thereby supporting the inner wall of the catheter. Finally, the hook of the crane is connected to the lifting ring 501, so as to realize the lifting of the catheter.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fastening device for hoisting a bored pile conduit, comprising a fixing block (1) and a cylinder (2), characterized in that: The outer wall of the cylinder (2) is provided with a plurality of slide grooves (3), and the inner wall of the cylinder (2) is provided with a clamping mechanism (4); The clamping mechanism (4) comprises a sliding block (409) and a plurality of connecting plates (407), one side of the connecting plate (407) is connected to the outer wall of the cylinder (2), the outer wall of the sliding block (409) is slidably connected to the inner wall of the cylinder (2), the outer wall of the sliding block (409) is connected to a plurality of racks (413), the outer wall of the racks (413) is slidably connected to the inner wall of the slide groove (3), one side of the connecting plate (407) is provided with a through groove (402), and two opposite through grooves (402) are connected to each other. 02) The inner wall is rotatably connected to the same rotating rod (403), the outer wall of the rotating rod (403) is connected to a gear (401), one side of the gear (401) is meshed with one side of the rack (413), both ends of the rotating rod (403) extend outside the through groove (402) and are connected to a hinge plate (404), one side of the hinge plate (404) is hinged to a hinge seat (405), and one side of the two hinge seats (405) on the same side is connected to the same clamping block (406).

2. A fastening device for hoisting a bored pile conduit according to claim 1, characterized in that: Furthermore, one side of each of the plurality of clamping blocks (406) is connected to an anti-skid pad (414), and one side of each of the anti-skid pads (414) is connected to a plurality of anti-skid strips (415).

3. A fastening device for hoisting a bored pile conduit according to claim 1, characterized in that: A threaded groove (410) is provided at the bottom of the sliding block (409), and a threaded rod (411) is threadedly connected to the inner wall of the threaded groove (410). The inner wall of the cylinder (2) is connected to a support block (408), and a first motor (412) is connected to the top of the support block (408). The output shaft of the first motor (412) is connected to one end of the threaded rod (411).

4. A fastening device for hoisting a bored pile conduit according to claim 1, characterized in that: The outer wall of the cylinder (2) is provided with a plurality of sliding grooves (6), and the top of the fixed block (1) is provided with a cleaning mechanism (5).

5. A fastening device for hoisting a bored pile guide pipe according to claim 4, characterized in that: The cleaning mechanism (5) comprises a second motor (504), a fixed plate (502), a groove (511) and a sliding rod (509); one side of the second motor (504) is connected to the top of the fixed block (1); the top of the fixed plate (502) is connected to a lifting ring (501); the bottom of the fixed plate (502) is connected to two supporting legs (503); the bottom of the supporting legs (503) is connected to the top of the fixed block (1); the groove (511) is provided at the bottom of the fixed block (1); a placement groove (505) is provided on one side of the groove (511); the inner wall of the placement groove (505) is rotatably connected to a rotating block (506); the bottom of the rotating block (506) is connected to the top of the cylinder (2); the output shaft of the second motor (504) extends into the placement groove (505) and is connected to the top of the rotating block (506).

6. A fastening device for hoisting a bored pile guide pipe according to claim 5, characterized in that: The outer wall of the sliding rod (509) is slidably connected to the inner wall of the sliding groove (6); one end of the sliding rod (509) is connected to a limiting block (510); one side of the limiting block (510) is in contact with the inner wall of the cylinder (2); the other end of the sliding rod (509) extends outside the sliding groove (6); and one end of two sliding rods (509) on the same side is connected to the same brush (507); a spring (508) is provided on the outer sleeve of the sliding rod (509); two ends of the spring (508) are respectively connected to the outer wall of the cylinder (2) and one side of the brush (507).

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