CN217710895U - Building pile foundation detection device - Google Patents

Building pile foundation detection device Download PDF

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Publication number
CN217710895U
CN217710895U CN202221210344.1U CN202221210344U CN217710895U CN 217710895 U CN217710895 U CN 217710895U CN 202221210344 U CN202221210344 U CN 202221210344U CN 217710895 U CN217710895 U CN 217710895U
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pile foundation
rod
locking
detection device
limiting ring
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CN202221210344.1U
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罗康
吴波
唐元丽
裴家明
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Chengdu Academy Of Construction Sciences Engineering Quality Inspection Co ltd
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Chengdu Academy Of Construction Sciences Engineering Quality Inspection Co ltd
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Abstract

The application relates to a building pile foundation detection device belongs to the technical field that the pile foundation detected, and it includes: the ballast box, the limiting ring, the connecting rod and the locking screw rod are arranged on the ballast box; the ballast box is arranged at the top end of the pile foundation and used for containing heavy objects; the limiting ring is sleeved on the pile foundation, and a certain gap is formed between the limiting ring and the pile foundation; the locking screws are arranged along the circumferential direction of the limiting ring in an array mode and are in threaded connection with the limiting ring, and the locking screws can penetrate through the limiting ring and abut against the pile foundation; the connecting rod has a plurality ofly, and is a plurality of the connecting rod is followed pile foundation circumference array sets up, the one end of connecting rod with the ballast box is connected, the other end of connecting rod with the spacing ring is connected. This application has the beneficial effect who improves building pile foundation detection device's suitability.

Description

Building pile foundation detection device
Technical Field
The application relates to the technical field of pile foundation detection, in particular to building pile foundation detection device.
Background
For guaranteeing the quality of building engineering, it is indispensable to detect the bearing capacity of ground, pile foundation in the building work progress, and at present, the static test is the method of detecting the vertical bearing capacity of pile foundation, and this method is the most directly perceived and the most reliable.
At present, chinese patent application with publication number CN112211234B discloses a building pile foundation detection device, which comprises a jack disposed at the top end of a pile foundation, a ballast disposed above the jack, and a limit ring, wherein the limit ring is sleeved on the pile foundation and connected with the ballast. Above-mentioned technical scheme is through applying vertical pressure at the pile foundation top, observes the subsides of pile foundation top production along with time in order to confirm the vertical resistance to compression bearing capacity of corresponding single pile, because the spacing ring has restricted the removal of ballast to make whole pile foundation detection device all press on the pile foundation, compare in support column and ground looks butt, consequently reduce the heavy object in the ballast, reduce the engineering time.
Aiming at the related technology, the inventor finds that the limiting ring cannot be sleeved on the pile foundation with larger specification and size because the inner diameter of the limiting ring is unchanged; to the less pile foundation of specification and dimension, also be difficult to have better spacing effect after the spacing ring cover is established, consequently, above-mentioned building pile foundation detection device's suitability is relatively poor.
SUMMERY OF THE UTILITY MODEL
In order to improve building pile foundation detection device's suitability, this application provides a building pile foundation detection device.
A building pile foundation detection device, it includes: the ballast box, the limiting ring, the connecting rod and the locking screw rod; wherein, the first and the second end of the pipe are connected with each other,
the ballast box is arranged at the top end of the pile foundation and is used for containing heavy objects;
the limiting ring is sleeved on the pile foundation, and a certain gap is formed between the limiting ring and the pile foundation;
the locking screws are arranged along the circumferential direction of the limiting ring in an array mode and are in threaded connection with the limiting ring, and the locking screws can penetrate through the limiting ring and abut against the pile foundation;
the connecting rod has a plurality ofly, and is a plurality of the connecting rod is followed pile foundation circumference array sets up, the one end of connecting rod with the ballast box is connected, the other end of connecting rod with the spacing ring is connected.
By adopting the technical scheme, the heavy object is placed in the ballast box and arranged on the top of the pile foundation, one end of the connecting rod is connected with the ballast box, the other end of the connecting rod is connected with the limiting ring, and the limiting ring is sleeved on the pile foundation, so that the limiting ring supports the ballast box through the connecting rod and limits the movement of the ballast box;
because the spacing ring passes through locking screw to be installed on the pile foundation for the pile foundation homoenergetic that the diameter is less than the spacing ring internal diameter installs and uses pile foundation detection device, improves building pile foundation detection device's suitability.
Optionally, the connecting rod includes a first rod, a second rod and a locking assembly, one end of the first rod is detachably connected to the limiting ring, the second rod is disposed in the first rod and slidably connected to the first rod along the length direction of the first rod, and one end of the second rod, which is far away from the first rod, is detachably connected to the ballast box;
the locking assembly is arranged on the first rod and used for locking the second rod.
Through adopting above-mentioned technical scheme, during the transportation, the second pole that slides makes first pole and second pole coincidence, is convenient for accomodate, saves transportation space.
Optionally, the locking assembly includes a locking tooth, a spring, a pull rod and a mounting block; wherein, the first and the second end of the pipe are connected with each other,
the mounting block is fixedly connected to the first rod, a cavity for accommodating the spring is formed in the mounting block, one end of the spring is abutted against the inner wall of the cavity, and the other end of the spring is abutted against the locking teeth;
one end of the pull rod is fixedly connected with one end, close to the spring, of the locking tooth, and the other end of the pull rod penetrates through the mounting block;
the second rod is provided with a locking rack, and one end of the locking tooth, which is far away from the spring, can penetrate through the first rod and be inserted into the locking rack.
By adopting the technical scheme, when the second rod needs to slide, the pull rod is pulled to compress the spring, and then the locking teeth are separated from the locking rack; and then the second rod is slid, after the sliding is finished, the pull rod is loosened, the spring is reset, and the locking teeth are inserted into the locking rack again under the action of the elastic force of the spring.
Optionally, the building pile foundation detection device further comprises a plurality of cushion blocks, the cushion blocks correspond to the locking screws one by one, and the cushion blocks are arranged at the end parts, close to the pile foundation, of the locking screws.
Through adopting above-mentioned technical scheme, the cushion has increased the area of locking screw and pile foundation butt to increase the frictional force of butt, the locking effect of reinforcing.
Optionally, one end of the cushion block, which is far away from the locking screw rod, is fixedly connected with a cushion pad.
Through adopting above-mentioned technical scheme, the pile foundation is protected in the rigidity contact between isolated locking screw of blotter and the pile foundation to can avoid building pile foundation detection device to the influence of pile foundation to a certain extent.
Optionally, the building pile foundation detection device further comprises a bubble level gauge, and the bubble level gauge is installed on the limiting ring.
Through adopting above-mentioned technical scheme, the bubble level gauge is used for detecting whether spacing ring installation levels to can further adjust building pile foundation detection device, make building pile foundation detection device level, thereby can better support the ballast box, reduce test error.
Optionally, the building pile foundation detection device further comprises a plurality of graduated scales, the graduated scales correspond to the locking screws one by one, and the graduated scales penetrate through the limiting ring and are connected with the limiting ring in a sliding manner along the telescopic direction corresponding to the locking screws;
the cushion block is rotationally connected with the locking screw rod, and one end of the graduated scale is detachably connected with the corresponding cushion block.
Through adopting above-mentioned technical scheme, the staff observes the length that locking screw stretches into the spacing ring through the scale, and the length that stretches into the spacing ring when keeping each locking screw and pile foundation butt is unanimous, behind the locking spacing ring, and the pile foundation is just being in the inside central point of spacing ring puts for after the ballast box holds the heavy object, can exert pressure to the pile foundation uniformly, further reduce experimental error.
Optionally, a through hole is formed in the cushion block, a bearing is fixedly connected in the through hole, the locking screw rod is close to a limiting block fixedly connected to one end of the pile foundation, the bearing sleeve is arranged in the locking screw rod and abutted against the limiting block, and a limiting nut used for locking the bearing is further in threaded connection with the locking screw rod.
Through adopting above-mentioned technical scheme, the outer lane and the cushion fixed connection of bearing, the outer lane of bearing is locked on locking screw by limit nut to when twisting the indentation screw rod, the cushion does not take place to rotate.
In summary, the present application at least includes the following beneficial effects:
1. due to the fact that the limiting ring is installed on the pile foundation through the locking screw, the pile foundation with the diameter smaller than the inner diameter of the limiting ring can be installed and used with the pile foundation detection device, and applicability of the building pile foundation detection device is improved.
2. The purpose that sets up the cushion has increased the area of locking screw and pile foundation butt to increase the frictional force of butt, the locking effect of reinforcing.
3. The purpose that sets up the scale is, and the staff observes the length that locking screw stretches into the spacing ring through the scale, and the length that stretches into the spacing ring when keeping each locking screw and pile foundation butt is unanimous, and behind the locking spacing ring, the pile foundation is in the inside central point of spacing ring and puts for after the ballast box holds the heavy object, can exert pressure to the pile foundation uniformly, reduce experimental error.
Drawings
FIG. 1 is a schematic overall structure diagram of an embodiment of a building pile foundation detection device according to the present application;
FIG. 2 is a cross-sectional schematic view of a connecting rod of the present application;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is an exploded view for showing the rotational connection structure of the spacer and the locking screw according to the present application.
Description of reference numerals: 100. a pile foundation; 200. a ballast tank; 300. a limiting ring; 400. a connecting rod; 410. a first lever; 420. a second lever; 421. locking the rack; 430. a locking assembly; 431. locking teeth; 432. a spring; 433. a pull rod; 434. mounting blocks; 435. a cavity; 500. locking the screw rod; 510. a limiting block; 520. a limit nut; 600. a cushion block; 610. a cushion pad; 620. a bearing; 700. a graduated scale; 800. bubble level.
Detailed Description
The present application will be described in further detail with reference to fig. 1-4.
The application discloses building pile foundation detection device as an embodiment of building pile foundation detection device, as shown in figure 1, it includes: the ballast box 200, the limit ring 300, the connecting rod 400 and the locking screw 500; the ballast box 200 is arranged at the top end of the pile foundation 100 and is used for containing heavy objects, wherein the heavy objects can be sand, gravels and the like on a construction site, and are convenient to obtain and put in and take out; the limiting ring 300 is sleeved on the pile foundation 100, and a certain gap is formed between the limiting ring 300 and the pile foundation 100; the number of the locking screws 500 is multiple, in the embodiment, 4 locking screws 500 are arranged in an array along the circumferential direction of the limiting ring 300, the axes of two adjacent locking screws 500 are vertical, the 4 locking screws 500 are all in threaded connection with the limiting ring 300 and can all penetrate through the limiting ring 300 to abut against the pile foundation 100, in other embodiments, the number of the locking screws 500 can be 6, 8 or 10, and the like, and the application is not limited; there are a plurality of connecting rods 400, and this embodiment adopts 4 connecting rods 400, and 4 connecting rods 400 are arranged along pile foundation 100 circumference array, and one end of connecting rod 400 is connected with ballast box 200, and the other end of connecting rod 400 is connected with spacing ring 300.
It should be noted that the inner diameter of the stop collar 300 should not be smaller than the largest diameter pile foundation 100 in the conventional pile foundations 100, for example, the diameter of the rotary drilling cast-in-place pile is 310mm to 870mm, and the inner diameter of the stop collar 300 is not smaller than 870mm.
As shown in fig. 1 and fig. 2, in order to facilitate storage and save transportation space, the connecting rod 400 includes a first rod 410, a second rod 420 and a locking assembly 430, one end of the first rod 410 is in threaded connection with the limiting ring 300, the second rod 420 is disposed in the first rod 410 and is connected with the first rod 410 in a sliding manner along the length direction of the first rod 410, one end of the second rod 420, which is far away from the first rod 410, passes through the bottom wall of the ballast box 200, and is in threaded connection with a nut for fixing the connecting rod 400; a locking assembly 430 is provided on the first lever 410 for locking the second lever 420.
As shown in fig. 3, as an embodiment of the locking assembly 430, the locking assembly 430 includes a locking tooth 431, a spring 432, a pull rod 433, and a mounting block 434; wherein, the first and the second end of the pipe are connected with each other,
a mounting block 434 is welded on the first rod 410, a cavity 435 for accommodating a spring 432 is formed in the mounting block 434, one end of the spring 432 abuts against the inner wall of the cavity 435, and the other end of the spring 432 abuts against a locking tooth 431;
one end of the pull rod 433 is welded with one end of the locking tooth 431 close to the spring 432, and the other end of the pull rod 433 penetrates through the mounting block 434;
the second rod 420 is provided with a locking rack 421, and one end of the locking tooth 431, which is far away from the spring 432, can pass through the first rod 410 and be inserted into the locking rack 421.
As shown in fig. 1 and fig. 4, in order to enhance the locking effect of the locking screw 500, the building pile foundation 100 detection device further includes a plurality of blocks 600, the plurality of blocks 600 correspond to the plurality of locking screws 500 one-to-one, and the blocks 600 are detachably disposed at the end portions of the locking screws 500 close to the pile foundation 100. Wherein, the shape of the cushion block 600 can be an arc shape suitable for a cylindrical pile; also can be the rectangle that is applicable to the prism stake, the cushion 600 is dismantled the change according to the shape of waiting to detect pile foundation 100, and this application uses waiting to detect pile foundation 100 to demonstrate for the cylinder stake.
In order to cushion the rigid abutment of the locking screw 500 and the pile foundation 100 and protect the pile foundation 100, a cushion pad 610 is bonded to one end of the block 600 away from the locking screw 500 by structural adhesive.
In order to improve the accuracy of the measurement result, the building pile foundation 100 detection device further comprises a bubble level gauge 800, and the bubble level gauge 800 is installed on the limiting ring 300.
In order to further improve the accuracy of the measurement result, the building pile foundation 100 detection device further comprises a plurality of graduated scales 700, the graduated scales 700 correspond to the locking screws 500 one by one, and the graduated scales 700 penetrate through the limiting ring 300 and are connected with the limiting ring 300 in a sliding manner along the telescopic direction of the corresponding locking screws 500; the cushion block 600 is rotatably connected with the locking screw 500, and one end of the graduated scale 700 is detachably connected with the corresponding cushion block 600 through bolts.
As an implementation mode that the cushion block 600 is connected with the locking screw 500, a through hole is formed in the cushion block 600, a bearing 620 is welded in the through hole, a limiting block 510 is welded at one end, close to the pile foundation 100, of the locking screw 500, the bearing 620 is sleeved in the locking screw 500 and abuts against the limiting block 510, and a limiting nut 520 used for locking the bearing 620 is further connected to the locking screw 500 in a threaded manner.
The implementation principle of the embodiment is as follows:
during detection, firstly, the limiting ring 300 is sleeved on the pile foundation 100, a detector enables the extension lengths of the plurality of locking screws 500 to be consistent by observing the graduated scale 700, the cushion block 600 is abutted with the pile foundation 100, then the limiting ring 300 is adjusted to be horizontal by observing the bubble level gauge 800, then the locking screws 500 are further screwed to enable the cushion block 600 to be abutted with the pile foundation 100, and at the moment, the pile foundation 100 is located at the center of the limiting ring 300; then, screwing the first rod 410 on the limiting ring 300, adjusting the telescopic length of the second rod 420, enabling one end of the second rod 420 far away from the first rod 410 to penetrate through the bottom wall of the ballast box 200, and screwing a nut; after installation, weights such as sand and gravel are placed into the ballast box 200.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a building pile foundation detection device which characterized in that: comprises a ballast box (200), a limit ring (300), a connecting rod (400) and a locking screw (500); wherein, the first and the second end of the pipe are connected with each other,
the ballast box (200) is arranged at the top end of the pile foundation (100) and is used for containing heavy objects;
the limiting ring (300) is sleeved on the pile foundation (100), and a certain gap is formed between the limiting ring (300) and the pile foundation (100);
the plurality of locking screws (500) are arranged in a circumferential array along the limiting ring (300) and are in threaded connection with the limiting ring (300), and the plurality of locking screws (500) can penetrate through the limiting ring (300) and abut against the pile foundation (100);
connecting rod (400) have a plurality ofly, and are a plurality of connecting rod (400) are followed pile foundation (100) circumference array sets up, the one end of connecting rod (400) with ballast box (200) are connected, the other end of connecting rod (400) with spacing ring (300) are connected.
2. The building pile foundation detection device of claim 1, wherein: the connecting rod (400) comprises a first rod (410), a second rod (420) and a locking assembly (430), one end of the first rod (410) is detachably connected with the limiting ring (300), the second rod (420) is arranged in the first rod (410) and is connected with the first rod (410) in a sliding mode along the length direction of the first rod (410), and one end, far away from the first rod (410), of the second rod (420) is detachably connected with the ballast box (200);
the locking assembly (430) is disposed on the first rod (410) for locking the second rod (420).
3. The building pile foundation detection device of claim 2, wherein: the locking assembly (430) comprises a locking tooth (431), a spring (432), a pull rod (433) and a mounting block (434); wherein the content of the first and second substances,
the mounting block (434) is fixedly connected to the first rod (410), a cavity (435) for accommodating the spring (432) is formed in the mounting block (434), one end of the spring (432) abuts against the inner wall of the cavity (435), and the other end of the spring (432) abuts against the locking tooth (431);
one end of the pull rod (433) is fixedly connected with one end, close to the spring (432), of the locking tooth (431), and the other end of the pull rod (433) penetrates through the mounting block (434);
a locking rack (421) is arranged on the second rod (420), and one end, far away from the spring (432), of the locking tooth (431) can penetrate through the first rod (410) to be inserted into the locking rack (421).
4. A building pile foundation testing device according to any one of claims 1 to 3, wherein: building pile foundation (100) detection device still includes a plurality of cushion (600), and is a plurality of cushion (600) and a plurality of locking screw (500) one-to-one, cushion (600) set up in locking screw (500) be close to the tip of pile foundation (100).
5. The building pile foundation detection device of claim 4, wherein: one end, far away from the locking screw rod (500), of the cushion block (600) is fixedly connected with a cushion pad (610).
6. The building pile foundation detection device of claim 5, wherein: building pile foundation (100) detection device still includes bubble spirit level (800), bubble spirit level (800) install in on spacing ring (300).
7. The building pile foundation detection device of claim 6, wherein: the building pile foundation (100) detection device further comprises a plurality of graduated scales (700), the graduated scales (700) are in one-to-one correspondence with the locking screws (500), and the graduated scales (700) penetrate through the limiting ring (300) and are connected with the limiting ring (300) in a sliding manner along the direction corresponding to the extension direction of the locking screws (500);
the cushion block (600) is rotationally connected with the locking screw rod (500), and one end of the graduated scale (700) is detachably connected with the corresponding cushion block (600).
8. The building pile foundation detection device of claim 7, wherein: the through-hole has been seted up on cushion (600), fixedly connected with bearing (620) in the through-hole, locking screw (500) are close to the one end fixedly connected with stopper (510) of pile foundation (100), bearing (620) cover is located in locking screw (500), with stopper (510) butt, it has and is used for the locking still threaded connection on locking screw (500) stop nut (520) of bearing (620).
CN202221210344.1U 2022-05-19 2022-05-19 Building pile foundation detection device Active CN217710895U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221210344.1U CN217710895U (en) 2022-05-19 2022-05-19 Building pile foundation detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221210344.1U CN217710895U (en) 2022-05-19 2022-05-19 Building pile foundation detection device

Publications (1)

Publication Number Publication Date
CN217710895U true CN217710895U (en) 2022-11-01

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Application Number Title Priority Date Filing Date
CN202221210344.1U Active CN217710895U (en) 2022-05-19 2022-05-19 Building pile foundation detection device

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Country Link
CN (1) CN217710895U (en)

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