Device for testing uniformity of concrete at top of underwater cast-in-place pile
By designing a testing device for the homogeneity of concrete at the top of underwater cast-in-place piles, and using a combination structure of an outer sleeve and an inner connecting column for sampling, the problem of inaccurate test results in existing technologies has been solved, achieving efficient and accurate testing results.
Patent Information
- Application Number
- CN202423260822.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The existing technology for detecting underwater cast-in-place piles is inaccurate and has poor practicality, mainly due to the large detection error caused by the operation of the mud pump.
A testing device for the homogeneity of concrete at the top of underwater cast-in-place piles was designed, comprising an outer sleeve, an inner connecting column, and a fixed-length structure. Sampling is performed by coaxial rotation of the inner connecting column, and the length of the sleeve extending into the mud is determined by the fixed-length structure. A sealing device is used to ensure sampling accuracy.
It achieves a simple structure and accurate test results, improving the practicality and accuracy of underwater cast-in-place pile concrete homogeneity testing.
Smart Images
Figure CN223856771U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of building test, concretely relates to a kind of underwater bored pile pile top concrete homogeneity testing device. BACKGROUND
[0002] Underwater bored pile refers to the concrete being poured into pre-drilled hole in underwater or damp environment through specific construction technology, which is a kind of construction method of pile foundation. Its working principle is mainly to utilize the self-compacting property and fluidity of underwater concrete, and pour concrete into underwater hole through conduit and other equipment, and ensure that concrete can be evenly spread and filled underwater. The quality of concrete pouring has important influence on the strength formation of post-period pile foundation, the determination of integrity, and even the stress of entire foundation component.
[0003] In the prior art, when underwater bored pile is detected, mud sampling method is usually used for detection, generally, concrete slurry is extracted to ground by mud pump, and then laboratory analysis is carried out, but the detection result is not accurate and the practicability is poor due to the influence of mud pump operation. UTILITY MODEL CONTENT
[0004] The utility model embodiment provides a kind of underwater bored pile pile top concrete homogeneity testing device, to solve the problem of inaccurate detection result and poor practicability of existing.
[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows: a kind of underwater bored pile pile top concrete homogeneity testing device is provided, comprising:
[0006] The outer sleeve has a cylindrical cavity with an open top end, and the bottom end side wall of the outer sleeve is provided with an opening;
[0007] The inner connecting column is coaxially arranged in the cylindrical cavity, and the bottom end of the inner connecting column is provided with a sampling cavity with an open top end.
[0008] The fixed-length structure is slidably arranged on the outer sleeve to determine the length of the outer sleeve inserted into the mud.
[0009] In one possible implementation, the bottom end of the outer sleeve is conical.
[0010] In one possible implementation, the top end of the inner connecting column extends out of the cylindrical cavity, and the extended end of the inner connecting column is provided with a handle.
[0011] In a possible implementation, the fixed-length structure is a sliding ring, which is arranged on the outer wall of the outer sleeve in a sliding manner along the axial direction of the outer sleeve, and a damper is arranged between the sliding ring and the outer wall of the outer sleeve.
[0012] In a possible implementation, a scale line is arranged on the outer wall of the outer sleeve.
[0013] In a possible implementation, a sealing gasket is arranged at the opening, so as to seal the sampling cavity when the inner connecting column is rotated to the corresponding position.
[0014] In a possible implementation, a plurality of connecting ropes are arranged on the sliding ring, the plurality of connecting ropes are arranged in a ring shape and are spaced apart along the axial direction of the sliding ring, one end of each connecting rope is connected to the sliding ring, and the other end of each connecting rope is connected to the top end of the outer sleeve.
[0015] The top end of the outer sleeve is provided with a connecting piece for connecting the connecting ropes.
[0016] Compared with the prior art, the outer sleeve and the inner connecting column are arranged in the present implementation, the inner connecting column is arranged in the sleeve cavity in a coaxial rotating manner, the sampling cavity arranged at the opening of the bottom end of the inner connecting column corresponds to the opening of the sidewall of the bottom end of the outer sleeve, sampling can be performed when the inner connecting column is rotated to the position where the opening of the sampling cavity corresponds to the opening, and sealing can be performed when the inner connecting column is rotated to the position where the opening of the sampling cavity is misaligned with the opening; the fixed-length structure arranged on the outer sleeve in a sleeving manner can determine the length of the outer sleeve inserted into the mud, the structure is simple, the detection result is accurate, and the practicability is good. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 A front view structural schematic diagram of a test device for uniformity of concrete at a pile top of an underwater bored pile is provided in the embodiments of the present application;
[0018] Figure 2 A side view structural schematic diagram of a test device for uniformity of concrete at a pile top of an underwater bored pile is provided in the embodiments of the present application;
[0019] Figure 3 A working structural schematic diagram of a bottom part of a test device for uniformity of concrete at a pile top of an underwater bored pile is provided in the embodiments of the present application Figure 1 ;
[0020] Figure 4 A working structural schematic diagram of a bottom part of a test device for uniformity of concrete at a pile top of an underwater bored pile is provided in the embodiments of the present application Figure 2 ;
[0021] MARK NUMBER EXPLANATION:
[0022] 10, outer sleeve; 20, inner connecting column; 21, sampling cavity; 22, handle; 30, fixed length structure; 31, connecting rope. DETAILED DESCRIPTION
[0023] In order to make the technical problems, technical solutions and beneficial effects of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.
[0024] Please refer to Figures 1 to 4 , now the test device for the uniformity of the concrete at the top of the underwater bored pile provided by the utility model will be described. The test device for the uniformity of the concrete at the top of the underwater bored pile, comprising an outer sleeve 10, an inner connecting column 20 and a fixed length structure 30. The outer sleeve 10 has a barrel cavity with an open top end, and the bottom end side wall of the outer sleeve 10 is provided with an opening. The inner connecting column 20 is coaxially arranged in the barrel cavity, and the bottom end of the inner connecting column 20 is provided with a sampling cavity 21 arranged with an open top end. The open top end of the sampling cavity 21 can correspond to the opening, and the inner connecting column 20 is used to rotate to the open top end of the sampling cavity 21 corresponding to the opening, and sampling is performed. The fixed length structure 30 is slidably sleeved on the outer sleeve 10, and is used to determine the length of the outer sleeve 10 inserted into the mud.
[0025] The test device for the uniformity of the concrete at the top of the underwater bored pile provided by the embodiment, compared with the prior art, is provided with an outer sleeve 10 and an inner connecting column 20. The inner connecting column 20 is coaxially arranged in the barrel cavity, and the sampling cavity 21 arranged with an open top end at the bottom end of the inner connecting column 20 corresponds to the opening at the bottom end side wall of the outer sleeve 10. Sampling can be performed when the inner connecting column 20 is rotated to the open top end of the sampling cavity 21 corresponding to the opening, and sealing can be performed when the inner connecting column 20 is rotated to the open top end of the sampling cavity 21 misaligned with the opening. The fixed length structure 30 slidably sleeved on the outer sleeve 10 can determine the length of the outer sleeve 10 inserted into the mud. The structure is simple, the detection result is accurate, and the practicability is good.
[0026] In some examples, the above-mentioned outer sleeve 10 can adopt the structure as shown in Figures 1 to 4 . Referring to Figures 1 to 4 , the bottom end of the outer sleeve 10 is conical.
[0027] The conical bottom end of the outer sleeve 10 can facilitate the outer sleeve 10 to be inserted into the mud, reduce the resistance when inserted into the mud, and facilitate the operation of the staff.
[0028] In some examples, the above-mentioned inner connecting column 20 can adopt the structure as shown in Figure 1 , Figure 2 . Referring to Figure 1 ,Figure 2 The top end of the inner connecting column 20 extends out of the barrel cavity, and the extending end of the inner connecting column 20 is provided with a handle 22.
[0029] The handle 22 provided at the extending end of the connecting column can facilitate the rotation of the inner connecting column 20 by the staff, so that the inner connecting column 20 is rotated for sampling and sealing.
[0030] In some embodiments, the fixed-length structure 30 can adopt the structure as shown in Figure 1 , Figure 2 Referring to Figure 1 , Figure 2 , the fixed-length structure 30 is a sliding ring, which is slidingly arranged on the outer wall of the outer sleeve 10 along the axial direction of the outer sleeve 10, and a damping is arranged between the sliding ring and the outer wall of the outer sleeve 10.
[0031] The sliding ring can be slidingly arranged on the outer wall of the outer sleeve 10 along the axial direction of the outer sleeve 10, and the damping between the sliding ring and the outer wall of the outer sleeve 10 can prevent the sliding ring from falling off the outer wall of the outer sleeve 10.
[0032] In some embodiments, the outer sleeve 10 can adopt the structure as shown in Figure 1 , Figure 2 Referring to Figure 1 , Figure 2 , the outer wall of the outer sleeve 10 is provided with a scale line.
[0033] The scale line provided on the outer wall of the outer sleeve 10 can facilitate the staff to observe the extending length of the outer sleeve 10.
[0034] In some embodiments, the opening can adopt the structure as shown in Figure 3 , Figure 4 Referring to Figure 3 , Figure 4 , the opening is provided with a sealing gasket, which is used to seal the sampling cavity 21 when the inner connecting column 20 is rotated to the corresponding position.
[0035] The sealing gasket can seal the sampling cavity 21 when the inner connecting column 20 is rotated to the corresponding position, and the position for sealing can be understood as the position when the opening of the sampling cavity 21 is arranged in a staggered manner with the opening on the bottom end side wall of the outer sleeve 10.
[0036] In some embodiments, the sliding ring can adopt the structure as shown in Figure 1 , Figure 2 Referring to Figure 1 , Figure 2 , the sliding ring is provided with a plurality of connecting ropes 31, which are arranged in a ring shape and spaced apart along the axis of the sliding ring, one end of each connecting rope 31 is connected to the sliding ring, and the other end of each connecting rope 31 is connected to the top end of the outer sleeve 10.
[0037] The outer sleeve 10 is provided with a connecting piece at the top end for connecting the connecting ropes 31.
[0038] The connecting ropes 31 can avoid the sliding ring from being separated from the outer sleeve 10 when the sliding ring and the outer sleeve 10 are damped.
[0039] The above is only the preferred embodiment of the present application, and is not intended to limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A device for testing the homogeneity of the concrete at the top of a cast-in-place pile underwater, characterized in that, The utility model relates to a mud sampling device, including: An outer sleeve with a barrel cavity with an open top end, the bottom end of the outer sleeve is provided with an opening on the side wall; An inner connecting column coaxially arranged in the barrel cavity, the bottom end of the inner connecting column is provided with a sampling cavity with an open top end, the open top end of the sampling cavity corresponds to the opening, the inner connecting column is used for sampling when the open top end of the sampling cavity corresponds to the opening; A fixed-length structure is slidably arranged on the outer sleeve to determine the length of the outer sleeve inserted into the mud.
2. The device for testing the homogeneity of the concrete at the top of a bored concrete pile under water according to claim 1, characterized in that, The bottom end of the outer sleeve is conical.
3. The device for testing the homogeneity of the concrete at the top of a bored concrete pile according to claim 1, characterized in that, The top end of the inner connecting column protrudes out of the barrel cavity, and the protruding end of the inner connecting column is provided with a handle.
4. The device for testing the homogeneity of the concrete of the pile head of a bored pile underwater according to claim 3, characterized in that, The fixed-length structure is a sliding ring, which is slidably arranged on the outer wall of the outer sleeve along the axial direction of the outer sleeve, and a damping is arranged between the sliding ring and the outer wall of the outer sleeve.
5. The device for testing the homogeneity of the concrete of the pile head of a bored pile underwater according to claim 4, characterized in that, The outer wall of the outer sleeve is provided with a scale line.
6. The device for testing the homogeneity of the concrete of the pile head of a bored pile underwater according to claim 1, characterized in that, A sealing gasket is arranged at the opening to seal the sampling cavity when the inner connecting column is rotated to the corresponding position.
7. The device for testing the homogeneity of the concrete of the pile head of a bored pile underwater according to claim 4, characterized in that, A plurality of connecting ropes are arranged on the sliding ring, the connecting ropes are arranged in a ring shape along the axial direction of the sliding ring, one end of each connecting rope is connected to the sliding ring, and the other end of each connecting rope is connected to the top end of the outer sleeve. The top end of the outer sleeve is provided with a connecting piece for connecting the connecting ropes.