Cast-in-place pile pore-forming detection device
By designing an adjustable roller and guide rod structure, the hole wall collapse and slag desolation caused by hard contact between the steel bar cage and the cast pile hole wall in the traditional method is solved, and a more efficient and reliable cast pile hole detection is achieved.
Patent Information
- Application Number
- CN202420922496.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-04-29
AI Technical Summary
In traditional methods, the hard contact between the steel bar probe cage and the hole wall of the cast pile is prone to scratch the hole wall, resulting in collapse of the hole wall, slag drop and obstruction of the lower cage.
A cast-in-fill pile hole detection device is designed, adopting an adjustable roller and guide rod structure. The roller is retracted into the guide cylinder through the guide rod to avoid hard contact with the hole wall. At the same time, the aperture and verticality are measured using a rangefinder.
It effectively avoids hard contact between the roller and the cast pile hole wall, prevents the hole wall from collapse and slag, ensures smooth cage, and improves detection accuracy and reliability.
Smart Images
Figure CN222879673U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction, and more specifically to a bored pile hole detection device. Background Art
[0002] At present, the main indicators for bored pile hole quality inspection are hole depth, hole diameter, verticality, and pile bottom sediment thickness. The traditional method generally uses a steel cage to detect hole diameter and verticality, but the steel cage is in hard contact with the hole wall after being lowered, which is easy to scratch the hole wall, causing the hole wall to collapse, slag to fall, and the cage to be blocked. To this end, we propose a bored pile hole inspection device. Utility Model Content
[0003] The technical problem to be solved by the utility model is that the traditional method generally uses a steel bar detection cage to detect the hole diameter and verticality, but the steel bar detection cage is in hard contact with the hole wall after being lowered, and is easy to scratch the hole wall, causing the hole wall to collapse, slag to fall, and the lowering of the cage to be blocked. In view of the above-mentioned defects of the prior art, a bored pile hole detection device is provided.
[0004] The technical solution adopted by the utility model to solve its technical problems is:
[0005] The bored pile hole detection device comprises a measuring rope, a first counterweight is suspended on the lower surface of the measuring rope, a threaded rod is fixedly mounted on the lower surface of the first counterweight, a mounting seat is fixedly mounted on the lower end of the threaded rod, four first connecting rods are rotatably connected to the surface of the mounting seat in a circular array, an aperture measuring structure is arranged on the surface of the first connecting rod, and an adjustment structure capable of adjusting the angle of the first connecting rod is arranged on the surface of the threaded rod;
[0006] The aperture measurement structure comprises a mounting frame fixedly mounted on the surface of the first connecting rod, the inner wall of the mounting frame is rotatably connected with a rotating shaft, a guide cylinder is fixedly mounted on the surface of the rotating shaft, a guide rod is slidably connected to the inner wall of the guide cylinder, a roller is arranged at one end of the guide rod away from the guide cylinder, a distance meter is fixedly mounted at one end of the guide rod away from the roller, and a distance measurement reference is fixedly mounted on the inner wall of the guide cylinder;
[0007] The adjusting structure comprises a sliding ring sleeved on the surface of the threaded rod, the surface of the sliding ring is rotatably connected with four second connecting rods in a circular array, and the opposite surfaces of the first connecting rod and the second connecting rod are hinged.
[0008] Preferably, a second counterweight is fixedly mounted on the lower end of the mounting seat.
[0009] Preferably, two nuts are respectively threadedly connected to the surface of the threaded rod, and the two nuts are respectively located at the upper and lower sides of the sliding ring.
[0010] Preferably, the surface of the mounting frame is provided with a limit assembly that can limit the rotating shaft, the limit assembly includes a mounting cylinder fixedly mounted on the surface of the mounting frame, one end of the rotating shaft extends into the interior of the mounting cylinder, and a limit block is fixedly mounted, a limit groove is provided on the surface of the limit block, a strip groove is provided on the inner wall of the mounting cylinder, and a limit ring adapted to the limit block is slidably connected to the inner wall of the strip groove.
[0011] Preferably, a handle is inserted into the surface of the installation tube, one end of the handle is fixedly connected to the surface of the limiting ring, and the surface of the handle is sleeved with a compression spring that can drive the limiting ring to insert into the limiting block.
[0012] Preferably, a tension spring is sleeved on the surface of the guide rod, one end of the tension spring is fixedly connected to the inner wall of the guide cylinder, and the other end of the tension spring is fixedly connected to the surface of the rangefinder.
[0013] The beneficial effects of the utility model are:
[0014] 1. The utility model provides an aperture measuring structure and an adjusting structure. The adjusting structure can be used to drive four rollers to open to a size that matches the aperture of the bored pile. Then, the device is placed in the bored pile hole. When the diameter of the bored pile hole becomes smaller or bent, the guide rod will retract into the guide cylinder, and the roller will not make hard contact with the bored pile hole. At the same time, the distance meter will be close to the distance measurement benchmark, so that the changes in the diameter and verticality of the bored pile hole can be obtained according to the relative position between the distance meter and the distance measurement benchmark, avoiding the problem of scraping the hole wall caused by the hard contact between the roller and the bored pile hole, resulting in the collapse of the hole wall, slag falling, and obstruction of the lower cage.
[0015] 2. The utility model sets a limit assembly. Pulling the handle can drive the limit ring to disengage from the limit block, and then the guide cylinder can be rotated to change the angle of the roller. When the adjustment structure drives the four rollers to open, the guide cylinder can be rotated to drive the rollers to be perpendicular to the threaded rod, thereby preventing the tilt of the rollers from affecting the falling of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work:
[0017] Figure 1 It is a schematic diagram of the three-dimensional structure proposed by the utility model;
[0018] Figure 2 It is a schematic diagram of the front section structure of the aperture measurement structure proposed in the utility model;
[0019] Figure 3It is a schematic diagram of the front section structure of the guide tube proposed in the utility model;
[0020] Figure 4 It is a schematic diagram of the front and rear section structure of the installation tube proposed in the utility model;
[0021] Figure 5 It is a three-dimensional front section structure schematic diagram of the limit block proposed by the utility model.
[0022] In the figure: 1 measuring rope, 2 first counterweight, 3 threaded rod, 4 mounting seat, 5 first connecting rod, 6 mounting frame, 7 rotating shaft, 8 guide cylinder, 9 guide rod, 10 roller, 11 distance meter, 12 distance measuring reference, 13 sliding ring, 14 second connecting rod, 15 second counterweight, 16 nut, 17 mounting cylinder, 18 limit block, 19 limit ring, 20 handle, 21 compression spring, 22 tension spring. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the following will be combined with the technical solution in the embodiments of the utility model for a clear and complete description. Obviously, the described embodiments are partial embodiments of the utility model, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] The bored pile hole detection device comprises a measuring rope 1, a first counterweight 2 is suspended on the lower surface of the measuring rope 1, a threaded rod 3 is fixedly installed on the lower surface of the first counterweight 2, a mounting seat 4 is fixedly installed on the lower end of the threaded rod 3, a second counterweight 15 is fixedly installed on the lower end of the mounting seat 4, and the surface of the mounting seat 4 is rotatably connected with four first connecting rods 5 in a circular array.
[0025] The surface of the threaded rod 3 is provided with an adjustment structure that can adjust the angle of the first connecting rod 5, and the adjustment structure includes a sliding ring 13 sleeved on the surface of the threaded rod 3, and the surface of the sliding ring 13 is rotatably connected with four second connecting rods 14 in a circular array, and the opposite surfaces of the first connecting rod 5 and the second connecting rod 14 are hinged, and the surface of the threaded rod 3 is respectively threadedly connected with two nuts 16, and the two nuts 16 are respectively located on the upper and lower sides of the sliding ring 13. Pushing the sliding ring 13 can drive the sliding ring 13 to slide along the surface of the threaded rod 3, so that the second connecting rod 14 can be used to push the first connecting rod 5 to rotate. At the same time, the two nuts 16 are respectively rotated to the upper and lower sides of the sliding ring 13, so that the sliding ring 13 can be fixed.
[0026] An aperture measuring structure is provided on the surface of the first connecting rod 5, and the aperture measuring structure includes a mounting frame 6 fixedly mounted on the surface of the first connecting rod 5, the inner wall of the mounting frame 6 is rotatably connected with a rotating shaft 7, a guide cylinder 8 is fixedly mounted on the surface of the rotating shaft 7, a guide rod 9 is slidably connected to the inner wall of the guide cylinder 8, a roller 10 is provided at the end of the guide rod 9 away from the guide cylinder 8, and a rangefinder 11 is fixedly mounted at the end of the guide rod 9 away from the roller 10, a ranging reference 12 is fixedly mounted on the inner wall of the guide cylinder 8, the rangefinder 11 is wirelessly connected to an external monitoring system, and the external monitoring system can monitor the data of the rangefinder 11 in real time. The external monitoring system is a prior art and therefore will not be described in detail. A tension spring 22 is sleeved on the surface of the guide rod 9, one end of the tension spring 22 is fixedly connected to the inner wall of the guide cylinder 8, and the other end of the tension spring 22 is fixedly connected to the surface of the rangefinder 11.
[0027] The four rollers 10 can be driven to open to a size that matches the diameter of the bored pile hole by using the adjustment structure, and then the device is placed in the bored pile hole. When the diameter of the bored pile hole becomes smaller or bends during the falling process, the guide rod 9 will retract into the guide cylinder 8, and the tension spring 22 will be in an open state, so the roller 10 will not make hard contact with the bored pile hole, and the distance meter 11 will be close to the distance measurement reference 12, so that the changes in the diameter and verticality of the bored pile hole can be obtained according to the relative position between the distance meter 11 and the distance measurement reference 12, avoiding the problem of the roller 10 contacting the bored pile hole hard to cause scratching the hole wall, resulting in the collapse of the hole wall, slag falling, and obstruction of the lower cage.
[0028] The surface of the mounting frame 6 is provided with a limit assembly that can limit the rotating shaft 7. The limit assembly includes a mounting tube 17 fixedly mounted on the surface of the mounting frame 6. One end of the rotating shaft 7 extends to the interior of the mounting tube 17 and is fixedly mounted with a limit block 18. A limit groove is provided on the surface of the limit block 18. A strip groove is provided on the inner wall of the mounting tube 17. A limit ring 19 that is compatible with the limit block 18 is slidably connected to the inner wall of the strip groove. When the limit ring 19 is inserted into the limit groove, the rotating shaft 7 can be fixed.
[0029] A handle 20 is inserted into the surface of the mounting tube 17, one end of the handle 20 is fixedly connected to the surface of the limit ring 19, and a compression spring 21 is sleeved on the surface of the handle 20 which can drive the limit ring 19 to insert into the limit block 18. Pulling the handle 20 can drive the limit ring 19 to disengage from the limit block 18. At this time, the compression spring 21 is in a contracted state, and then the guide tube 8 can be rotated to change the angle of the roller 10. When the adjustment structure drives the four rollers 10 to open, the guide tube 8 can be rotated to drive the roller 10 to be perpendicular to the threaded rod 3, thereby preventing the roller 10 from tilting and affecting the falling of the device.
[0030] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.
Claims
1. A bored pile hole detection device, comprising a measuring rope (1), characterized in that: A first counterweight (2) is suspended on the lower surface of the measuring rope (1), a threaded rod (3) is fixedly mounted on the lower surface of the first counterweight (2), a mounting seat (4) is fixedly mounted on the lower end of the threaded rod (3), four first connecting rods (5) are rotatably connected to the surface of the mounting seat (4) in a circular array, an aperture measuring structure is provided on the surface of the first connecting rod (5), and an adjustment structure capable of adjusting the angle of the first connecting rod (5) is provided on the surface of the threaded rod (3); The aperture measurement structure comprises a mounting frame (6) fixedly mounted on the surface of a first connecting rod (5); the inner wall of the mounting frame (6) is rotatably connected to a rotating shaft (7); a guide cylinder (8) is fixedly mounted on the surface of the rotating shaft (7); a guide rod (9) is slidably connected to the inner wall of the guide cylinder (8); a roller (10) is provided at one end of the guide rod (9) away from the guide cylinder (8); a distance meter (11) is fixedly mounted at one end of the guide rod (9) away from the roller (10); and a distance measurement reference (12) is fixedly mounted on the inner wall of the guide cylinder (8); The adjustment structure comprises a sliding ring (13) sleeved on the surface of the threaded rod (3); the surface of the sliding ring (13) is rotatably connected to four second connecting rods (14) in a circular array; and the opposite surfaces of the first connecting rod (5) and the second connecting rod (14) are hinged.
2. The bored pile hole detection device according to claim 1, characterized in that: A second counterweight block (15) is fixedly mounted on the lower end of the mounting seat (4).
3. The bored pile hole detection device according to claim 1, characterized in that: Two nuts (16) are respectively threadedly connected to the surface of the threaded rod (3), and the two nuts (16) are respectively located on the upper and lower sides of the sliding ring (13).
4. The bored pile hole detection device according to claim 1, characterized in that: The surface of the mounting frame (6) is provided with a limiting assembly capable of limiting the position of the rotating shaft (7), the limiting assembly comprising a mounting tube (17) fixedly mounted on the surface of the mounting frame (6), one end of the rotating shaft (7) extending into the interior of the mounting tube (17) and fixedly mounted with a limiting block (18), a limiting groove being provided on the surface of the limiting block (18), a strip groove being provided on the inner wall of the mounting tube (17), and a limiting ring (19) matching the limiting block (18) being slidably connected to the inner wall of the strip groove.
5. The bored pile hole detection device according to claim 4, characterized in that: A handle (20) is inserted into the surface of the installation tube (17), one end of the handle (20) is fixedly connected to the surface of the limit ring (19), and the surface of the handle (20) is sleeved with a compression spring (21) that can drive the limit ring (19) to insert into the limit block (18).
6. The bored pile hole detection device according to claim 4, characterized in that: A tension spring (22) is sleeved on the surface of the guide rod (9), one end of the tension spring (22) is fixedly connected to the inner wall of the guide cylinder (8), and the other end of the tension spring (22) is fixedly connected to the surface of the rangefinder (11).