CN112031048B - Device and method for detecting pile bottom sediment and pile end foundation of cast-in-place pile - Google Patents
Device and method for detecting pile bottom sediment and pile end foundation of cast-in-place pile Download PDFInfo
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- CN112031048B CN112031048B CN202010937562.4A CN202010937562A CN112031048B CN 112031048 B CN112031048 B CN 112031048B CN 202010937562 A CN202010937562 A CN 202010937562A CN 112031048 B CN112031048 B CN 112031048B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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Abstract
The invention discloses a device and a method for detecting pile bottom sediment and a pile end foundation of a cast-in-place pile, and belongs to the technical field of detection of the pile bottom sediment and the pile end foundation. A detection device for sediment at the bottom of a cast-in-place pile and a pile end foundation comprises a connecting plate, a first supporting plate and a second supporting plate, wherein the first supporting plate and the second supporting plate are fixedly connected to two ends of the side wall of the connecting plate; according to the invention, through the matching between the gear and the rack and the reference of the scale marks, the pile end foundation can be accurately detected.
Description
Technical Field
The invention relates to the technical field of detection of pile bottom sediment and pile end foundation of a cast-in-place pile, in particular to a device and a method for detecting the pile bottom sediment and the pile end foundation of the cast-in-place pile.
Background
In order to detect the quality of the cast-in-place concrete pile, the pouring quality of the rotary drilled pile is often detected after the concrete is poured, and the detection method comprises a low-strain method, an ultrasonic method and a core drilling method. Wherein, the low strain method and the ultrasonic method are nondestructive testing and are suitable for the quality testing of the pile body. The core drilling method is to detect the properties of the pile body pouring quality, the pile bottom sediment, the pile end bearing layer and the like by drilling the core through the pile body.
The conventional low-strain method utilizes a detector, then manually knocks the ground, and the vibration of the ground is changed into a wave signal to be transmitted to the detector to judge the quality of the ground, but the manual knocking of the ground not only increases the fatigue degree of workers, but also completely depends on manual self judgment, so that multiple tests are continuously carried out to obtain required data, and the working efficiency and the measurement precision are reduced.
Disclosure of Invention
The invention aims to solve the problem that manual knocking on the ground influences the measurement accuracy of an experiment in the prior art, and provides a device and a method for detecting pile bottom sediment and a pile end foundation of a cast-in-place pile.
In order to achieve the purpose, the invention adopts the following technical scheme:
a detection device for pile bottom sediment and pile end foundation of a cast-in-place pile comprises a connecting plate, a first supporting plate and a second supporting plate which are fixedly connected with two ends of the side wall of the connecting plate, a sliding groove is arranged inside the first supporting plate, a rack is connected inside the sliding groove in a sliding manner, a clamping groove is arranged on the side wall of the rack, the top of the first supporting plate is fixedly connected with a positioning mechanism matched with the clamping groove, the outer wall of the connecting plate is fixedly connected with a motor base, the top of the motor base is fixedly connected with a stepping motor, the output end of the stepping motor is fixedly connected with a gear meshed with the rack, the inner wall of the second supporting plate is fixedly connected with a sliding guide rod, the outer wall of the sliding guide rod is connected with a first connecting rod in a sliding manner, the bottom of the rack is fixedly connected with a second connecting rod matched with the first connecting rod, and a moving block is fixedly connected between the first connecting rod and the second connecting rod.
Preferably, positioning mechanism includes spacing case, spacing case fixed connection is at the top of first backup pad, spacing incasement wall sliding connection have with joint groove matched with joint post, the lateral wall of joint post is equipped with the fender ring, the spring has been cup jointed to the outer wall of joint post, the spring offsets with the inner wall that keeps off ring and spacing case respectively, the tip fixedly connected with handle of joint post.
Preferably, the top of second connecting rod has seted up the spread groove, the bottom of rack is equipped with the joint disc, the joint disc joint is in the spread groove.
Preferably, first backup pad all is connected with the shock attenuation board with second backup pad bottom, the top fixedly connected with stopper of shock attenuation board, the stopper joint is inside the second backup pad.
Preferably, the top of the connecting groove is fixedly connected with a second shock pad.
Preferably, the bottom of the second supporting plate is provided with a protrusion, the top of the damping plate is provided with a groove matched with the protrusion center, and the top of the groove is fixedly connected with a first damping pad.
Preferably, the outer wall of the handle is provided with anti-skid grains.
Preferably, the side wall of the first supporting plate is provided with scale marks.
Preferably, the clamping grooves are distributed on the side wall of the rack in an equidistant and straight manner.
Compared with the prior art, the invention provides a device and a method for detecting the pile bottom sediment and the pile end foundation of the cast-in-place pile, which have the following beneficial effects:
1. when a user uses the device to measure the foundation, firstly, the device is placed at the top of a foundation to be measured, the handle is pulled backwards, the handle drives the clamping column to retract backwards into the limiting box, then the stepping motor is started, the stepping motor drives the gear to rotate, the gear drives the rack to move upwards, the rack drives the motion block to move upwards through the second connecting post rod, when the motion block moves upwards, the motion block can be adjusted to a designated position according to the scale marks, after the position of the motion block is adjusted, the handle is loosened, the clamping column is clamped in the clamping groove under the action of the spring, the stepping motor is turned off, the handle is pulled backwards, the clamping column leaves the clamping groove, the motion block moves downwards under the action of gravity, therefore, the foundation can be knocked, and the accurate measurement of the foundation is realized through the cooperation among the gear, the rack and the scale marks.
2. This bored concrete pile bottom sediment and pile tip ground detection device, through the damage that sets up first shock pad and the reducible device of second shock pad.
3. This bored concrete pile bottom sediment and pile tip ground detection device can be more steady when the motion piece rises through setting up the slip guide arm.
The parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the invention can realize the accurate detection of the pile end foundation by the matching between the gear and the rack and the reference of the scale mark.
Drawings
Fig. 1 is a front view of a detecting device for pile bottom sediment and pile end foundation of a cast-in-place pile according to the present invention;
FIG. 2 is a side view of a detecting device for pile bottom sediment and pile end foundation of a cast-in-place pile according to the present invention;
FIG. 3 is a top view of a detecting device for pile bottom sediment and pile end foundation of a cast-in-place pile according to the present invention;
FIG. 4 is an enlarged view of the position A in FIG. 1 of the detection device for the sediment at the bottom of the cast-in-place pile and the foundation at the pile end according to the present invention;
FIG. 5 is an enlarged view of the detection device for the sediment at the bottom of the cast-in-place pile and the foundation at the pile end, shown in FIG. 1, according to the present invention;
fig. 6 is an enlarged view of the pile bottom sediment and pile end foundation detection device of the cast-in-place pile shown in fig. 1 at C.
In the figure: 1. a first support plate; 101. a chute; 102. scale lines; 2. a second support plate; 3. a rack; 301. a clamping groove; 302. clamping a disc; 4. a gear; 5. a connecting plate; 6. a sliding guide bar; 7. a first connecting rod; 701. a second connecting rod; 8. a motion block; 9. a motor base; 10. a stepping motor; 11. a limiting box; 12. a clamping column; 121. a baffle ring; 122. a grip; 13. a spring; 14. a limiting block; 15. a damper plate; 16. a first cushion pad; 17. a second cushion.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-6, a detecting device for sediment at the bottom of a cast-in-place pile and pile end foundation comprises a connecting plate 5, a first supporting plate 1 and a second supporting plate 2 fixedly connected to two ends of the side wall of the connecting plate 5, a sliding groove 101 is formed in the first supporting plate 1, a rack 3 is slidably connected to the sliding groove 101, a clamping groove 301 is formed in the side wall of the rack 3, a positioning mechanism matched with the clamping groove 301 is fixedly connected to the top of the first supporting plate 1, a motor base 9 is fixedly connected to the outer wall of the connecting plate 5, a stepping motor 10 is fixedly connected to the top of the motor base 9, a gear 4 meshed with the rack 3 is fixedly connected to the output end of the stepping motor 10, a sliding guide rod 6 is fixedly connected to the inner wall of the second supporting plate 2, a first connecting rod 7 is slidably connected to the outer wall of the sliding guide rod 6, a second connecting rod 701 matched with the first connecting rod 7 is fixedly connected to the bottom of the rack 3, a motion block 8 is fixedly connected between the first connecting rod 7 and the second connecting rod 701, the positioning mechanism comprises a limiting box 11, the limiting box 11 is fixedly connected with the top of the first supporting plate 1, the inner wall of the limiting box 11 is slidably connected with a clamping column 12 matched with the clamping groove 301, the side wall of the clamping column 12 is provided with a retaining ring 121, the outer wall of the clamping column 12 is sleeved with a spring 13, the spring 13 is respectively abutted against the retaining ring 121 and the inner wall of the limiting box 11, the end part of the clamping column 12 is fixedly connected with a handle 122, the top of the second connecting rod 701 is provided with a connecting groove, the bottom of the rack 3 is provided with a clamping disc 302, the clamping disc 302 is clamped in the connecting groove, the bottoms of the first supporting plate 1 and the second supporting plate 2 are both connected with a damping plate 15, the top of the damping plate 15 is fixedly connected with a limiting block 14, the limiting block 14 is clamped in the second supporting plate 2, the top of the connecting groove is fixedly connected with a second damping pad 17, the bottom of second backup pad 2 is equipped with the arch, and the top of damper plate 15 is seted up with protruding heart complex recess, the first shock pad 16 of recess top fixedly connected with, and the antiskid line has been seted up to the outer wall of handle 122, and scale mark 102 has been seted up to the lateral wall of first backup pad 1, and joint groove 301 equidistance straight-line distribution is at the lateral wall of rack 3.
When a user uses the device to measure a foundation, the device is firstly placed at the top of the foundation to be measured, the handle 122 is pulled backwards, the handle 122 drives the clamping column 12 to contract backwards to the inside of the limit box 11, then the stepping motor 10 is started, the stepping motor 10 drives the gear 4 to rotate, the gear 4 drives the rack 3 to move upwards, the rack 3 drives the motion block 8 to move upwards through the second connecting rod 701, when the motion block 8 moves upwards, the moving block 8 can be adjusted to a designated position according to the scale mark 102, after the position of the moving block 8 is adjusted, the grip 122 is loosened, the clamping column 12 is clamped in the clamping groove 301 under the action of the spring 13, the stepping motor 10 is turned off, the grip 122 is pulled backwards, the clamping column 12 leaves the clamping groove 301, the moving block 8 moves downwards under the action of gravity, therefore, the foundation can be knocked, and the accurate measurement of the foundation is realized through the cooperation among the gear 4, the rack 3 and the scale mark 102.
Example 2:
referring to fig. 1 to 6, a device for detecting pile bottom sediment and pile end foundation of a cast-in-place pile is substantially the same as that in embodiment 1, and further comprises: and a second shock absorption pad 17 is arranged between the bottom of the rack 3 and the second connecting rod 701, so that damage to the rack 3 and the second connecting rod 701 can be reduced in the process that the motion block 8 is in contact with the ground.
Example 3:
referring to fig. 1 to 6, a device for detecting pile bottom sediment and pile end foundation of a cast-in-place pile is substantially the same as that in embodiment 1, and further comprises: the first connecting rod 7 is slidably connected to the outer wall of the sliding guide rod 6, and the sliding guide rod 6 can make the moving block 8 more stable when ascending.
Example 4:
a method for detecting the sediment at the bottom of a cast-in-place pile and a pile end foundation comprises the following steps:
s1, during measurement, the grip 122 is pulled backwards, and the grip 122 drives the clamping column 12 to contract backwards to the inside of the limiting box 11;
s2, starting the stepping motor 10 to drive the motion block 8 to move upwards, and when the motion block 8 moves upwards, adjusting the motion block 8 to a specified position according to the scale mark 102;
s3, the handle 122 is loosened, and the clamping column 12 is clamped in the clamping groove 301 under the action of the spring 13;
s4, the stepping motor 10 is turned off, the handle 122 is pulled backwards, the clamping column 12 leaves the clamping groove 301, and the moving block 8 moves downwards under the action of gravity, so that the foundation is knocked, and the foundation is accurately measured.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The detecting device for the sediment at the bottom of the cast-in-place pile and the pile end foundation comprises a connecting plate (5), a first supporting plate (1) and a second supporting plate (2) which are fixedly connected to the two ends of the side wall of the connecting plate (5), and is characterized in that a sliding groove (101) is formed in the first supporting plate (1), a rack (3) is slidably connected to the inside of the sliding groove (101), a clamping groove (301) is formed in the side wall of the rack (3), a positioning mechanism matched with the clamping groove (301) is fixedly connected to the top of the first supporting plate (1), a motor base (9) is fixedly connected to the outer wall of the connecting plate (5), a stepping motor (10) is fixedly connected to the top of the motor base (9), a gear (4) meshed with the rack (3) is fixedly connected to the output end of the stepping motor (10), a sliding guide rod (6) is fixedly connected to the inner wall of the second supporting plate (2), the outer wall of the sliding guide rod (6) is connected with a first connecting rod (7) in a sliding mode, the bottom of the rack (3) is fixedly connected with a second connecting rod (701) matched with the first connecting rod (7), and a moving block (8) is fixedly connected between the first connecting rod (7) and the second connecting rod (701); the positioning mechanism comprises a limiting box (11), the limiting box (11) is fixedly connected to the top of the first supporting plate (1), the inner wall of the limiting box (11) is connected with a clamping column (12) matched with the clamping groove (301) in a sliding mode, a retaining ring (121) is arranged on the side wall of the clamping column (12), a spring (13) is sleeved on the outer wall of the clamping column (12), the spring (13) abuts against the retaining ring (121) and the inner wall of the limiting box (11) respectively, and a handle (122) is fixedly connected to the end portion of the clamping column (12); the top of the second connecting rod (701) is provided with a connecting groove, the bottom of the rack (3) is provided with a clamping disc (302), and the clamping disc (302) is clamped in the connecting groove; the bottom parts of the first supporting plate (1) and the second supporting plate (2) are both connected with a damping plate (15), the top part of the damping plate (15) is fixedly connected with a limiting block (14), and the limiting block (14) is clamped inside the second supporting plate (2); the side wall of the first supporting plate (1) is provided with scale marks (102).
2. The pile bottom sediment and pile end foundation detection device of the cast-in-place pile of claim 1, wherein a second shock pad (17) is fixedly connected to the top of the connecting groove.
3. The device for detecting the pile bottom sediment and the pile end foundation of the cast-in-place pile according to claim 2, wherein the bottom of the second supporting plate (2) is provided with a bulge, the top of the damping plate (15) is provided with a groove matched with the bulge, and the top of the groove is fixedly connected with a first damping pad (16).
4. The device for detecting the pile bottom sediment and the pile end foundation of the cast-in-place pile according to claim 1, wherein the outer wall of the grip (122) is provided with anti-slip lines.
5. The pile bottom sediment and pile end foundation detection device of the cast-in-place pile of claim 1, wherein the clamping grooves (301) are equidistantly and linearly distributed on the side wall of the rack (3).
6. A method for detecting the bottom sediment and the end foundation of a cast-in-place pile, which comprises the device for detecting the bottom sediment and the end foundation of the cast-in-place pile as claimed in any one of claims 1 to 5, and is characterized by adopting the following steps:
s1, during measurement, the grip (122) is pulled backwards, and the grip (122) drives the clamping column (12) to contract backwards to the inside of the limit box (11);
s2, starting the stepping motor (10) to drive the motion block (8) to move upwards, and adjusting the motion block (8) to a specified position according to the scale marks (102) when the motion block (8) moves upwards;
s3, the grip (122) is loosened, and the clamping column (12) is clamped in the clamping groove (301) under the action of the spring (13);
s4, the stepping motor (10) is turned off, the handle (122) is pulled backwards, the clamping column (12) leaves the clamping groove (301), and the moving block (8) moves downwards under the action of gravity, so that knocking on the foundation is achieved, and accurate measurement on the foundation is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010937562.4A CN112031048B (en) | 2020-09-09 | 2020-09-09 | Device and method for detecting pile bottom sediment and pile end foundation of cast-in-place pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010937562.4A CN112031048B (en) | 2020-09-09 | 2020-09-09 | Device and method for detecting pile bottom sediment and pile end foundation of cast-in-place pile |
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| Publication Number | Publication Date |
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| CN112031048A CN112031048A (en) | 2020-12-04 |
| CN112031048B true CN112031048B (en) | 2021-08-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4726007B2 (en) * | 2006-07-24 | 2011-07-20 | 飛島建設株式会社 | Displacement detection device |
| CN206497076U (en) * | 2017-02-18 | 2017-09-15 | 北京东地岩土工程有限公司 | A kind of exciting device for being used to irrigate low strain detection of the pile |
| CN207717324U (en) * | 2018-01-24 | 2018-08-10 | 深圳诚测检测技术有限公司 | A kind of heavy impact experimental rig |
| CN211080196U (en) * | 2019-08-24 | 2020-07-24 | 泉州尚美生态园林工程有限公司 | Rod pit tamping device for electric power engineering construction |
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