CN112211234A

CN112211234A - Building pile foundation detection device

Info

Publication number: CN112211234A
Application number: CN202010924822.4A
Authority: CN
Inventors: 顾高红; 黄骥; 王丽炯
Original assignee: Ningbo Construction Test Co ltd
Current assignee: Ningbo Construction Test Co ltd
Priority date: 2020-09-05
Filing date: 2020-09-05
Publication date: 2021-01-12
Anticipated expiration: 2040-09-05
Also published as: CN112211234B

Abstract

The application relates to a building pile foundation detection device belongs to pile foundation and detects technical field. It is including locating the jack on pile foundation top, locating the ballast and the locating part of jack top, the locating part is located the spacing ring of pile foundation and is followed a plurality of connecting rods that pile foundation circumference array set up including the cover, the one end of connecting rod with the downside of ballast is connected, the other end with the spacing ring is connected. The heavy object has been placed in the ballast, and the ballast is on the jack, and the one end and the ballast of connecting rod are connected, and the other end is connected with the spacing ring, and the spacing ring cover is established on the pile foundation for the spacing ring restriction ballast's removal, and the restriction ring cover is established on the pile foundation, makes whole pile foundation detection device all press on the pile foundation, reduces the heavy object in the ballast, reduces the engineering time.

Description

Building pile foundation detection device

Technical Field

The application relates to a pile foundation detects technical field, especially relates to a 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.

In the correlation technique, the principle of detecting the static load of the pile foundation is to apply vertical pressure at the top of the pile foundation, observe the settlement of the top of the pile foundation produced along with the time to confirm the vertical compression resistance bearing capacity of the corresponding single pile, and the conventional detection mode is as follows: the jack is placed at the upper end of the pile foundation, then a heavy object is placed on the jack, and a supporting pile is required to be arranged between the heavy object and the ground for supporting and preventing the heavy object from toppling.

Aiming at the related technologies, the supporting piles share the counter force generated by the weight, so that the total weight of the weight needs to be increased to meet the requirement of the specified counter force during testing, the weight-added materials of the weight are increased, and the construction time is long.

Disclosure of Invention

In order to reduce the heavy object in the ballast, this application provides a building pile foundation detection device.

The application provides a pair of building pile foundation detection device adopts following technical scheme:

the utility model provides a building pile foundation detection device, is including locating the jack on pile foundation top, locating the ballast and the locating part of jack top, the locating part is including the cover locating the spacing ring of pile foundation and along a plurality of connecting rods of pile foundation circumference array setting, the one end of connecting rod with the downside of ballast is connected, the other end with the spacing ring is connected.

Through adopting above-mentioned technical scheme, the heavy object has been placed in the ballast, and the ballast pressure is on the jack, and the one end and the ballast of connecting rod are connected, and the other end is connected with the spacing ring, and the spacing ring cover is established on the pile foundation for the removal of spacing ring restriction ballast, and the restriction ring cover is established on the pile foundation, makes whole pile foundation detection device all press on the pile foundation, compares in support column and ground looks butt, reduces the heavy object in the ballast, reduces the engineering time.

Preferably, a weight is arranged on the limiting ring.

Through adopting above-mentioned technical scheme, if the weight of ballast is not enough, can place the heavy object on the spacing ring, because the spacing ring links to each other with the ballast, consequently, the weight on the spacing ring also is equivalent to the weight on the ballast.

Preferably, the limiting ring comprises a plurality of mutually spliced sector plates, the adjacent two sector plates are connected through a connecting structure, the connecting structure comprises an embedded block and a connecting block, the embedded block is convexly arranged on the side face, close to the adjacent sector plate, of the sector plate, the connecting block is arranged on the side face, far away from the embedded block, of the sector plate, and an embedded groove for embedding the embedded block of the adjacent sector plate is formed in the connecting block.

By adopting the technical scheme, when two adjacent sector plates are connected, the embedded block of one sector plate is embedded into the embedded groove of the connecting block of the adjacent sector plate, and the two adjacent sector plates are connected by matching the embedded block and the embedded groove; the limiting ring is formed by splicing the sector plates, when the limiting ring is connected with the pile foundation, the sector plates are abutted against the pile foundation, and then the adjacent sector plates are connected with the sector plates through the connecting structures, so that the sector plates are connected with the pile foundation one by one, and the connection of the limiting ring and the pile foundation is facilitated; meanwhile, the limiting ring is provided with a plurality of fan-shaped plates when not used, and the size of a single fan-shaped plate is relatively small corresponding to the whole limiting ring, so that the limiting ring is convenient to transport and store.

Preferably, the connecting rod include with the first pole that ballast is connected and the cover that slides is located the second pole of first pole, the second pole is kept away from the one end of first pole with the spacing ring is connected, first pole is close to the protruding sliding block that slides in the second pole that is equipped with of one end of second pole, the second pole is close to first pole one end is provided with the prevention the sliding block is followed the barrier ring of second pole roll-off.

By adopting the technical scheme, the second rod is sleeved on the first rod in a sliding manner, so that the second rod can slide relative to the first rod, the connecting rod is a telescopic rod, and when the connecting rod is not used, the second rod can be overlapped with the first rod, and the accommodating space of the connecting rod is reduced; in addition, the second rod is prevented from sliding out of the first rod through the action of the limiting ring and the blocking ring.

Preferably, the second rod can rotate relative to the first rod along the axis of the second rod as a central axis, and the second rod is in threaded connection with the limiting ring.

Through adopting above-mentioned technical scheme, the second pole passes through threaded connection with the spacing ring, makes things convenient for installation and dismantlement between second pole and the spacing ring, and simultaneously, relative rotation can take place for first pole and second pole, and when the second pole was connected with the spacing ring, rotatable second pole to make things convenient for through threaded connection between second pole and the spacing ring.

Preferably, a plurality of the connecting rods correspond to a plurality of the sector plates one to one.

By adopting the technical scheme, the connecting rods correspond to the fan-shaped plates one by one, so that the fan-shaped plates are more stable on the pile foundation, and the limiting rings are firmer on the pile foundation; when spacing subassembly is connected, be connected connecting rod and ballast earlier, the inner circle and the pile foundation looks butt of the sector plate that will correspond with this connecting rod again, then be connected connecting rod and sector plate, because be one between the sector plate and be connected, through the effect of connecting rod, make the sector plate temporarily fix on the pile foundation, make things convenient for back sector plate to be connected with preceding sector plate.

Preferably, the ballast includes box body and locates the heavy object of box body, the box body includes base and top cap, the standing groove that supplies the heavy object to place is seted up to the base, the top cap covers the standing groove notch.

Through adopting above-mentioned technical scheme, placed the heavy object in the box body, the heavy object can be selected for common sand of job site, stone etc. conveniently acquires to after ballast finishes using, still can take out the heavy object in the box body, reduce the weight of box body, make things convenient for the transportation and the depositing of box body.

Preferably, the base is close to the side of top cap has seted up a plurality of joint grooves, the top cap is close to the side of standing groove is protruding to be equipped with a plurality of imbeds the joint piece in joint groove, it is a plurality of the joint piece with a plurality of the joint groove one-to-one.

Through adopting above-mentioned technical scheme, when the base is connected with the top cap, with a plurality of joint pieces of top cap and a plurality of joint grooves one-to-one of base, then with joint piece embedding joint inslot, through the cooperation in joint piece and joint groove, make base and top cap be connected.

Preferably, the box body still includes at least one expansion ring, a plurality of have been seted up to the up end of expansion ring the joint groove, the protruding a plurality of that is equipped with of the lower terminal surface of expansion ring the joint piece.

Through adopting above-mentioned technical scheme, when the weight of ballast was not enough, the volume of accessible dilatation ring increase box body improved the whole weight of ballast, and simultaneously, the connected mode of dilatation ring and base, dilatation ring and top cap is the same with the connected mode of base and top cap, increases the compatibility of dilatation ring, conveniently expands the connection of ring and base, dilatation ring and top cap.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the weight is placed in the ballast, the ballast is pressed on the jack, one end of the connecting rod is connected with the ballast, the other end of the connecting rod is connected with the limiting ring, the limiting ring is sleeved on the pile foundation, the limiting ring limits the movement of the ballast, the limiting ring is sleeved on the pile foundation, the whole pile foundation detection device is pressed on the pile foundation, the weight in the ballast is reduced, and the construction time is shortened;

2. when the limiting assembly is connected, the first rod is connected with the ballast, the inner ring of the sector plate is abutted against the pile foundation, and the second rod is connected with the sector plate;

3. when the weight of ballast was not enough, the volume of accessible dilatation ring increase box body improved the whole weight of ballast, and simultaneously, the connected mode of dilatation ring and base, dilatation ring and top cap is the same with the connected mode of base and top cap, increases the compatibility of dilatation ring, makes things convenient for the connection of dilatation ring and base, dilatation ring and top cap.

Drawings

Fig. 1 is an overall structural schematic diagram of a pile foundation detection device according to an embodiment of the present application.

Fig. 2 is an overall structural schematic diagram of a limiting ring without a heavy object in the pile foundation detection device according to the embodiment of the present application.

Fig. 3 is a schematic view of the overall structure of the stop collar according to the embodiment of the present application.

Fig. 4 is an exploded view of the pile foundation detection device according to the embodiment of the present application.

FIG. 5 is a cross-sectional view of a connecting rod of an embodiment of the present application.

Fig. 6 is a schematic view showing a state where the sector plates according to the embodiment of the present application are mounted.

Fig. 7 is an exploded view of the cartridge of the embodiment of the present application.

Description of reference numerals: 1. a pile foundation; 2. a jack; 21. mounting grooves; 3. carrying out ballast; 31. a box body; 32. a base; 321. a clamping groove; 322. a placement groove; 323. connecting grooves; 33. a top cover; 331. a clamping block; 34. a tolerance ring; 4. a limiting member; 41. a limiting ring; 411. a sector plate; 412. embedding a block; 413. connecting blocks; 414. embedding a groove; 42. a connecting rod; 421. a first lever; 422. a second lever; 423. a sliding block; 424. a stop ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses building pile foundation detection device.

Referring to fig. 1 and 2, the pile foundation detection device includes a jack 2 disposed on the top end of a pile foundation 1, a ballast 3 disposed above the jack 2, and a limiting member 4, wherein the limiting member 4 is sleeved on the pile foundation 1 and connected to the ballast 3.

Referring to fig. 3, the lower end of the jack 2 is provided with a mounting groove 21, the lower end of the jack 2 is sleeved on the top of the pile foundation 1, so that the pile foundation 1 is embedded into the mounting groove 21, and the jack 2 is connected with the pile foundation 1 through screws.

The lower end face of the ballast 3 is provided with a connecting groove 323, and the upper end of the jack 2 is embedded in the connecting groove 323 of the ballast 3. When jack 2 is connected with ballast 3, establish ballast 3 cover on jack 2 earlier, in the spread groove 323 of the ballast 3 of the upper end embedding of messenger jack 2, through the effect of spread groove 323, make ballast 3 and jack 2 prepositioning, make things convenient for the installation of locating part 4.

Referring to fig. 3 and 4, the limiting member 4 includes a limiting ring 41 sleeved on the pile foundation 1 and a plurality of connecting rods 42 arranged along the circumferential direction of the pile foundation 1 in an array, and two ends of the connecting rods 42 are respectively connected with the ballast 3 and the limiting ring 41.

Referring to fig. 4, the connecting rod 42 includes a first rod 421 connected to the ballast 3 and a second rod 422 slidably sleeved on the first rod 421, and the first rod 421 and the second rod 422 are both circular rods, so that the second rod 422 can rotate relative to the first rod 421 along the axis of the second rod 422 as a central axis. One end of the first rod 421 is connected to the lower side surface of the ballast 3 through a screw, a screw is provided on the first rod 421, a threaded hole is formed in the lower side surface of the ballast 3, a threaded hole is also formed in the first rod 421, and a screw is provided on the lower side surface of the ballast 3.

The end of the first rod 421 close to the second rod 422 is convexly provided with a sliding block 423 which slides in the second rod 422, the end of the second rod 422 close to the first rod 421 is provided with a blocking ring 424 which prevents the sliding block 423 from sliding out of the second rod 422, the inner diameter of the blocking ring 424 is smaller than the diameter of the sliding block 423, and when the first rod 421 is completely extended out of the second rod 422, the sliding block 423 is abutted to the blocking ring 424. The second rod 422 is sleeved on the first rod 421, so that the connecting rod 42 can stretch and retract, and the first rod 421 is prevented from sliding out of the second rod 422 through the action of the limiting ring 41 and the sliding block 423.

Referring to fig. 5, the limiting ring 41 includes a plurality of mutually spliced sector plates 411, each sector plate 411 is provided with a weight, the weight can be a stone or construction waste, and two adjacent sector plates 411 are connected through a connecting structure. The connecting structure comprises embedded blocks 412 and connecting blocks 413, the embedded blocks 412 are convexly arranged on the side faces, close to the adjacent sector plates 411, of the sector plates 411, two ends of each embedded block 412 are respectively communicated with the outer ring and the inner ring of the sector plate 411, the connecting blocks 413 are arranged on the side faces, far away from the embedded blocks 412, of the sector plates 411, the connecting blocks 413 are provided with embedded grooves 414 for the embedded blocks 412 of the adjacent sector plates 411 to be embedded into, the embedded grooves 414 are through grooves penetrating through the outer ring and the inner ring of the sector plates 411, and when the two adjacent sector plates 411 are connected, the embedded blocks 412 of one sector plate 411 are embedded into the embedded grooves 414 of the other sector plate 411.

The plurality of connecting rods 42 correspond to the plurality of sector plates 411 one to one, so that each sector plate 411 is connected to one connecting rod 42. One end of the second rod 422, which is far away from the first rod 421, is connected to the sector plate 411 through a screw, where a screw is disposed on the second rod 422, a threaded hole is formed in the sector plate 411, or a screw is disposed on the sector plate 411, and a threaded hole is formed in the second rod 422, which is implemented by taking the example that a screw is disposed on the second rod 422 and a threaded hole is formed in the sector plate 411.

With reference to fig. 6, when the limiting member 4 is used, all the connecting rods 42 are connected with the ballast 3 through threads, then one of the sector plates 411 is connected with the second rod 422 of one of the connecting rods 42 through threads, since the second rod 422 can slide on the first rod 421, when the other sector plate 411 is connected, the second rod 422 opposite to the sector plate 411 to be connected is moved upward, so that the second rod 422 does not interfere with the connection of the sector plate 411, then the sector plate 411 to be connected is connected with the sector plate 411 already connected with the connecting rod 42 through a connecting structure, finally the connecting rod 42 is connected with the sector plate 411 connected afterwards, and the above steps are repeated until all the sector plates 411 are connected with the connecting rod 42. The single sector plate 411 is fixed to the foundation pile 1 by the connecting rod 42, thereby facilitating the connection between two adjacent sector plates 411.

Referring to fig. 7, the ballast 3 includes a box body 31 and a weight arranged on the box body 31, the box body 31 includes a base 32, a top cover 33 and at least one containing ring 34, a placing groove 322 is formed on the base 32, the weight is placed in the placing groove 322, the top cover 33 covers a notch of the placing groove 322, the weight can be sand, stone and the like on a construction site, and the weight can be conveniently obtained and can be conveniently placed in and taken out.

A plurality of joint grooves 321 have been seted up to the side that base 32 is close to top cap 33, and top cap 33 is close to protruding joint piece 331 that is equipped with a plurality of embedding joint grooves 321 of side of standing groove 322, and when base 32 was connected with top cap 33, a plurality of joint pieces 331 and a plurality of joint grooves 321 one-to-one, and in joint piece 331 embedding joint groove 321.

The upper end face of the expansion ring 34 is provided with a plurality of clamping grooves 321, the lower end face of the expansion ring 34 is convexly provided with a plurality of clamping blocks 331, when the expansion ring 34 is used, the expansion ring 34 is placed on the base 32, the clamping blocks 331 of the expansion ring 34 are embedded into the clamping grooves 321 of the base 32, the top cover 33 covers the expansion ring 34, the clamping blocks 331 of the top cover 33 are embedded into the clamping grooves 321 of the expansion ring 34, the number of the expansion rings 34 can be selected according to actual conditions, two adjacent expansion rings 34 are stacked when connected, and the clamping blocks 331 located on the upper expansion ring 34 are embedded into the clamping grooves 321 of the lower expansion ring 34.

The implementation principle of the building pile foundation detection device in the embodiment of the application is as follows: when 1 detection device of pile foundation used, press jack 2 on pile foundation 1 earlier, place the base 32 of box body 31 on jack 2 again, place the heavy object and connect the dilatation ring 34 of suitable quantity in box body 31, cover base 32 on dilatation ring 34 or base 32 again, then be connected first pole 421 with the downside of base 32, second pole 422 is connected with sector plate 411, make a plurality of sector plate 411 connect and form spacing ring 41, put suitable heavy object on spacing ring 41 at last.

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: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a building pile foundation detection device which characterized in that: including locating jack (2) on pile foundation (1) top, locating ballast (3) and locating part (4) of jack (2) top, spacing ring (41) of pile foundation (1) and a plurality of connecting rods (42) that set up along pile foundation (1) circumference array are located including the cover to locating part (4), the one end of connecting rod (42) with the downside of ballast (3) is connected, the other end with spacing ring (41) are connected.

2. The building pile foundation detection device of claim 1, wherein: the limiting ring (41) is provided with a heavy object.

3. The building pile foundation detection device of claim 1, wherein: the limiting ring (41) comprises a plurality of mutually spliced sector plates (411), the adjacent sector plates (411) are connected through a connecting structure, the connecting structure comprises an embedded block (412) and a connecting block (413), the embedded block (412) is convexly arranged on the side face, close to the adjacent sector plate (411), of the sector plate (411, the connecting block (413) is arranged on the side face, far away from the embedded block (412), of the sector plate (411, and an embedded groove (414) for embedding the embedded block (412) of the adjacent sector plate (411) is formed in the connecting block (413).

4. The building pile foundation detection device of claim 1, wherein: connecting rod (42) include with first pole (421) that ballast (3) are connected and slide the cover and locate second pole (422) of first pole (421), second pole (422) are kept away from the one end of first pole (421) with spacing ring (41) are connected, first pole (421) are close to the protruding sliding block (423) that slide in second pole (422) that is equipped with of one end of second pole (422), second pole (422) are close to first pole (421) one end is provided with the prevention sliding block (423) are followed the stop ring (424) of second pole (422) roll-off.

5. The building pile foundation detection device of claim 4, wherein: the second rod (422) can rotate relative to the first rod (421) along the axis of the second rod (422) serving as a central shaft, and the second rod (422) is in threaded connection with the limiting ring (41).

6. The building pile foundation detection device of claim 3, wherein: the connecting rods (42) are in one-to-one correspondence with the fan-shaped plates (411).

7. The building pile foundation detection device of claim 1, wherein: ballast (3) include box body (31) and locate the heavy object of box body (31), box body (31) include base (32) and top cap (33), standing groove (322) that supply the heavy object to place are seted up in base (32), top cap (33) cover standing groove (322) notch.

8. The building pile foundation detection device of claim 7, wherein: base (32) are close to a plurality of joint grooves (321) have been seted up to the side of top cap (33), top cap (33) are close to the protruding a plurality of embedding in side of standing groove (322) joint piece (331), a plurality of joint piece (331) and a plurality of joint groove (321) one-to-one.

9. The building pile foundation detection device of claim 8, wherein: the box body (31) further comprises at least one expansion ring (34), the upper end face of the expansion ring (34) is provided with a plurality of clamping grooves (321), and the lower end face of the expansion ring (34) is convexly provided with a plurality of clamping blocks (331).