CN215829499U

CN215829499U - Testing arrangement of foundation pile for building

Info

Publication number: CN215829499U
Application number: CN202023022340.4U
Authority: CN
Inventors: 方毅; 陈凯骎; 孙楚; 张金国; 张斌; 马娇
Original assignee: Zhejiang Hongyan Testing Technology Co ltd
Current assignee: Zhejiang Hongyan Testing Technology Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2022-02-15
Anticipated expiration: 2030-12-15

Abstract

The utility model relates to a testing device of a foundation pile for a building, which comprises a placing support, a positioning assembly and a pressing assembly, wherein the placing support comprises a placing table and a supporting frame, the supporting frame is installed at the top of the pressing assembly, the pressing assembly comprises a first hydraulic cylinder and a hydraulic source, the first hydraulic cylinder is perpendicular to the placing table, the positioning assembly comprises positioning blocks arranged on two sides of the placing table and pressing pieces arranged on the positioning blocks in a sliding mode, a first T-shaped groove is horizontally formed in the top of each positioning block, a T-shaped block embedded into the first T-shaped groove is arranged at the bottom of each pressing piece, a positioning plate is fixedly connected to the side wall of each positioning block, a lead screw is arranged in each positioning plate, and the lead screw is fixedly connected with the pressing pieces. The utility model can apply gradually increased force to the foundation pile without additionally adding a balancing weight, thereby facilitating the use of the testing device.

Description

Testing arrangement of foundation pile for building

Technical Field

The utility model relates to the technical field of foundation pile testing devices, in particular to a testing device for a foundation pile for a building.

Background

The foundation pile refers to a single pile in a pile foundation consisting of more than 2 rows of piles. The foundation pile needs to be tested for various properties after completion of production.

Chinese utility model with the license number of CN208965607U discloses a foundation pile static load testing device, which comprises a base, wherein two supporting frames are fixed at the upper end of the base, supporting blocks are fixed at the upper ends of the two supporting frames, sliding grooves are arranged at the front ends of the two supporting frames, sliders are arranged in the two sliding grooves, the sliders are fixedly connected with a supporting plate through connecting plates, the supporting plate is positioned between the two supporting frames, a balancing weight is placed at the upper end of the supporting plate, a convex block is arranged at the lower end of the supporting plate, a clamping block is slidably connected at the lower ends of the two supporting frames, one end of the clamping block is fixedly connected with the supporting frames through two spring rods, the other end of the clamping block is fixedly connected with a placing block, a fixing plate and a motor are fixed at the upper end of the base, the fixing plate is positioned between the motor and the balancing weight, the utility model has high measuring precision and is convenient to control, convenient to fix, measurement cost is low.

But in actual test procedure, should present a process that progressively increases up to the pressure of foundation pile, and the balancing weight that above-mentioned utility model used if need increase to foundation pile pressure, can only increase the balancing weight in addition at the top of balancing weight, uses comparatively troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a testing device for a foundation pile for a building, which has the advantages that the testing device can apply gradually increased force to the foundation pile without additionally increasing a balancing weight, so that the use of the testing device is facilitated.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a testing arrangement of foundation pile for building, is including placing support, locating component, compressing tightly the subassembly, place the support including placing platform, support frame, the support frame is installed in the top that compresses tightly the subassembly, compress tightly the subassembly including install the first pneumatic cylinder on the support frame and set up in the hydraulic source that the bottom of placing the platform is used for driving the motion of first pneumatic cylinder, the platform is placed to first pneumatic cylinder perpendicular to, locating component including set up in place the locating piece of platform both sides and slide and install the piece that compresses tightly on the locating piece, first T-slot has been seted up to the top level of locating piece, the bottom that compresses tightly the piece is provided with the T-shaped piece of embedding first T-slot, the lateral wall fixedly connected with locating plate of locating piece, be provided with a lead screw in the locating plate, lead screw and compressing tightly a swivelling joint.

Through adopting above-mentioned technical scheme, during the test, lie in the foundation pile mode on the locating piece, rotatory lead screw afterwards, make the one side motion of the pressing part orientation foundation pile that is located on the locating piece, realize the horizontal location to the foundation pile, first pneumatic cylinder downstream afterwards, compress tightly the foundation pile, and the pressure of first pneumatic cylinder is progressively increased along with the lapse of time, thereby obtain the biggest dead load that the foundation pile can bear, thereby realize the test to the foundation pile, compare in increasing new balancing weight on the balancing weight, directly use first pneumatic cylinder to come to apply the dead load to the foundation pile, it is convenient to use more a base, and can progressively increase the dead load of applying on the foundation pile through first pneumatic cylinder, thereby make testing arrangement can obtain more accurate data of a base at the in-process of carrying out the test, measurement accuracy has been promoted.

The utility model is further configured to: the bottom of first pneumatic cylinder is provided with one and places the board, the bottom of placing the board and the foundation pile laminating.

Through adopting above-mentioned technical scheme, set up in the bottom of first pneumatic cylinder and place the board to increased the area of contact between pneumatic cylinder and the foundation pile, thereby reduced the pressure that the foundation pile received at the in-process that detects, thereby reduced the foundation pile and taken place the probability that the damage caused the influence to the testing result in the in-process part that detects.

The utility model is further configured to: and a hand wheel is arranged at one end of the screw rod, which is far away from the pressing piece.

Through adopting above-mentioned technical scheme, made things convenient for the rotation to the lead screw.

The utility model is further configured to: the pressing piece comprises a pressing plate and a limiting plate, the pressing plate is rotatably connected with the lead screw, the limiting plate is detachably mounted on one side of the pressing plate, a limiting groove is formed in the side wall of the limiting plate, a positioning column is arranged on the side wall of the limiting plate, a magnet is arranged on the side wall of the positioning column, a positioning hole is formed in the pressing plate towards one side of the limiting plate, the positioning column is embedded into the positioning hole, and an iron sheet corresponding to the magnet is arranged in the positioning hole.

Through adopting above-mentioned technical scheme, made things convenient for the installation between pressure strip and the limiting plate, after the limiting plate takes place wearing and tearing or damage at the in-process that uses, can directly pull out the limiting plate from the pressure strip, the limiting plate of renewal to the maintenance to compressing tightly the piece has been made things convenient for.

The utility model is further configured to: the limiting plates are in different models, and the size and the shape of the limiting grooves in the limiting plates in different models are different.

Through adopting above-mentioned technical scheme, set the limiting plate to multiple different models to make the limiting plate can be applicable to the location of multiple different foundation piles, thereby make different foundation piles homoenergetic test through same platform testing arrangement, promoted testing arrangement's application scope.

The utility model is further configured to: the support frame has four spinal branch vaulting poles that set up in placing the bench and set up in the locking plate of placing the bench both sides, the top of four spinal branch vaulting poles is provided with the mounting panel, be provided with the second pneumatic cylinder that sets up perpendicularly with first pneumatic cylinder on the mounting panel, first pneumatic cylinder slide install in on the support frame.

Through adopting above-mentioned technical scheme for the second pneumatic cylinder can place the platform relatively and carry out the horizontal slip, thereby makes first pneumatic cylinder can realize having promoted the detection precision to the static load test of placing the different positions of the foundation pile on the platform to a certain extent.

The utility model is further configured to: and structural reinforcing ribs are arranged between the four connecting rods.

Through adopting above-mentioned technical scheme, promoted the structural strength of connecting rod to the probability that the connecting rod takes place to warp at the in-process of work has been reduced.

The utility model is further configured to: and guide blocks are arranged on two sides of the second hydraulic cylinder, and guide holes for the support rods to pass through are formed in the guide blocks.

Through adopting above-mentioned technical scheme, set up the guide block in the both sides of second pneumatic cylinder, and set up the guiding hole on the guide block to can lead through the bracing piece when making first pneumatic cylinder horizontal slip, thereby make the motion of first pneumatic cylinder more stable.

In conclusion, the beneficial technical effects of the utility model are as follows:

1. the testing device for the foundation pile for the building has the advantages that the placing support, the positioning assembly and the pressing assembly are arranged, so that the force which is gradually increased can be applied to the foundation pile, and no additional balancing weight is needed, and the use effect of the testing device is facilitated;

2. the utility model has the advantages that the second hydraulic cylinder is arranged, so that the position of the first hydraulic cylinder relative to the foundation pile can be adjusted through the second hydraulic cylinder, and the foundation pile testing device can perform static load tests on different positions of the foundation pile;

3. above-mentioned utility model has the pressure strip that makes the pressure strip can trade the different models according to the shape of the foundation pile of difference through setting up the pressure strip of different models to the life's of pressure strip effect has been promoted to a certain extent.

Drawings

Fig. 1 is a schematic view of the general structure of the present invention.

Fig. 2 is a schematic view of the overall structure in another aspect of the present invention.

Fig. 3 is a schematic view of a partially exploded structure of the positioning assembly.

Fig. 4 is a schematic view of an exploded structure of the positioning assembly in another orientation.

In the figure, 1, a bracket is placed; 11. a placing table; 12. a support frame; 121. a support bar; 122. a locking plate; 123. mounting a plate; 124. structural reinforcing ribs; 2. a positioning assembly; 21. positioning blocks; 211. a first T-shaped slot; 212. positioning a plate; 213. a lead screw; 214. a hand wheel; 22. a compression member; 221. a compression plate; 2211. positioning holes; 2212. iron sheets; 222. a limiting plate; 2221. a limiting groove; 2222. a positioning column; 2223. a magnet; 223. a T-shaped block; 3. a compression assembly; 31. a first hydraulic cylinder; 311. placing the plate; 312. a guide block; 313. a guide hole; 32. a hydraulic source; 33. and a second hydraulic cylinder.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to the attached drawing 1, the testing device for the foundation pile for the building comprises a placing support 1, a positioning assembly 2 and a pressing assembly 3. Placing support 1 includes placing platform 11, support frame 12, and support frame 12 installs in the top that compresses tightly subassembly 3, and in this embodiment, support frame 12 with place through welded fastening between the platform 11.

The supporting frame 12 has four supporting rods 121 disposed on the placing table 11 and locking plates 122 disposed on two sides of the placing table, mounting plates 123 are disposed on the tops of the four supporting rods 121, and structural reinforcing ribs 124 are disposed between the four connecting rods.

Referring to fig. 1 and 2, the pressing assembly 3 includes a first hydraulic cylinder 31 mounted on the supporting frame 12 and a hydraulic source 32 provided at the bottom of the placing table 11 for driving the first hydraulic cylinder 31 to move.

The first hydraulic cylinder 31 is perpendicular to the placing table 11, a placing plate 311 is arranged at the bottom of the first hydraulic cylinder 31, the bottom of the placing plate 311 is attached to the foundation pile, a second hydraulic cylinder 33 perpendicular to the first hydraulic cylinder 31 is arranged on the mounting plate 123, the first hydraulic cylinder 31 is slidably mounted on the support frame 12, guide blocks 312 are arranged on two sides of the second hydraulic cylinder 33, and guide holes 313 for the support rods 122 to pass through are formed in the guide blocks 312.

Referring to fig. 1 and fig. 3, the positioning assembly 2 includes positioning blocks 21 disposed on both sides of the placing table 11 and a pressing member 22 slidably mounted on the positioning blocks 21, a first T-shaped groove 211 is horizontally formed in the top of the positioning block 21, a positioning plate 212 is fixedly connected to a side wall of the positioning block 21, a lead screw 213 is disposed in the positioning plate 212, the lead screw 213 is in threaded connection with the positioning plate 212, one end of the lead screw 213 is rotatably hinged to the pressing member 22, and a hand wheel 214 is disposed at one end of the lead screw 213 away from the pressing member 22.

The pressing member 22 includes a pressing plate 221 rotatably connected to the screw shaft 213 and a position limiting plate 222 detachably mounted on one side of the pressing plate 221, and a T-shaped block 223 is disposed at the bottom of the pressing plate 221.

Referring to fig. 3 and 4, a limiting groove 2221 is formed in the side wall of the limiting plate 222, a positioning column 2222 is arranged on the side wall of the limiting plate 222, a magnet 2223 is arranged on the side wall of the positioning column 2222, the limiting plate 222 has multiple different models, and the size and the shape of the limiting groove 2221 are different in the limiting plates 222 with different models.

One side of the pressing plate 221 facing the limiting plate 222 is provided with a positioning hole 2211, the positioning column 2222 is embedded into the positioning hole 2211, and an iron sheet 2212 corresponding to the magnet 2223 is arranged in the positioning hole 2211.

The use principle of the embodiment is as follows: during the test, the foundation pile mode is located on the positioning block 21, then the screw rod 213 is rotated, so that the pressing part 22 located on the positioning block 21 moves towards one side of the foundation pile, the horizontal positioning of the foundation pile is realized, then the first hydraulic cylinder 31 moves downwards to press the foundation pile, and the pressure of the first hydraulic cylinder 31 is gradually increased along with the lapse of time, so that the maximum static load which can be borne by the foundation pile is obtained, and therefore the test of the foundation pile is realized.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a testing arrangement of foundation pile for building which characterized in that: the device comprises a placing support (1), a positioning component (2) and a pressing component (3), wherein the placing support (1) comprises a placing table (11) and a supporting frame (12), the supporting frame (12) is installed at the top of the pressing component (3), the pressing component (3) comprises a first hydraulic cylinder (31) installed on the supporting frame (12) and a hydraulic source (32) arranged at the bottom of the placing table (11) and used for driving the first hydraulic cylinder (31) to move, the first hydraulic cylinder (31) is perpendicular to the placing table (11), the positioning component (2) comprises positioning blocks (21) arranged on two sides of the placing table (11) and pressing pieces (22) installed on the positioning blocks (21) in a sliding mode, a first T-shaped groove (211) is horizontally formed in the top of the positioning blocks (21), a T-shaped block (223) embedded into the first T-shaped groove (211) is arranged at the bottom of the pressing pieces (22), the side wall of the positioning block (21) is fixedly connected with a positioning plate (212), a lead screw (213) is arranged in the positioning plate (212), and the lead screw (213) is rotatably connected with the pressing piece (22).

2. The apparatus for testing a foundation pile for construction according to claim 1, wherein: a placing plate (311) is arranged at the bottom of the first hydraulic cylinder (31), and the bottom of the placing plate (311) is attached to the foundation pile.

3. The apparatus for testing a foundation pile for construction according to claim 2, wherein: and a hand wheel (214) is arranged at one end of the lead screw (213) far away from the pressing piece (22).

4. A foundation pile testing apparatus for construction according to claim 3, wherein: compress tightly piece (22) including with lead screw (213) swivelling joint's pressure strip (221) and demountable installation in limiting plate (222) of pressure strip (221) one side, spacing recess (2221) have been seted up to the lateral wall of limiting plate (222), the lateral wall of limiting plate (222) is provided with reference column (2222), the lateral wall of reference column (2222) is provided with magnetite (2223), locating hole (2211) has been seted up towards one side of limiting plate (222) in pressure strip (221), in reference column (2222) embedding locating hole (2211), be provided with iron sheet (2212) that correspond with magnetite (2223) in locating hole (2211).

5. The apparatus for testing a foundation pile for construction according to claim 4, wherein: the limiting plates (222) are in different models, and the size and the shape of the limiting grooves (2221) on the limiting plates (222) in different models are different.

6. The apparatus for testing a foundation pile for construction according to claim 5, wherein: the supporting frame (12) is provided with four supporting rods (121) arranged on the placing table (11) and locking plates (122) arranged on two sides of the placing table (11), mounting plates (123) are arranged at the tops of the four supporting rods (121), second hydraulic cylinders (33) perpendicular to the first hydraulic cylinders (31) are arranged on the mounting plates (123), and the first hydraulic cylinders (31) are slidably mounted on the supporting frame (12).

7. The apparatus for testing a foundation pile for construction according to claim 6, wherein: structural reinforcing ribs (124) are arranged among the four support rods (121).

8. The apparatus for testing a foundation pile for construction according to claim 7, wherein: guide blocks (312) are arranged on two sides of the second hydraulic cylinder (33), and guide holes (313) for the support rods (121) to penetrate through are formed in the guide blocks (312).