Auxiliary device for detecting integrity of foundation pile

Abstract

The utility model discloses an auxiliary device for detecting the integrity of a foundation pile, which relates to the technical field of simulation detection devices and comprises a fixing frame, a power structure is arranged at the upper end of the fixing frame, and a four-rail take-up structure is fixedly mounted on the outer surface of the power structure. The auxiliary device for detecting the integrity of the foundation pile is high in applicability, the defect that measurement needs to be carried out on site under the existing condition is overcome, influences of weather and places are avoided, and the gravity environment of foundation pile detection can be simulated indoors; the distance among the four rails of the cable can be isolated and fixed through the limiting nuts, so that the distance can be conveniently adjusted according to the diameter of the cable; the pure mechanical structure is simple and reliable, and electrical environment and energy source do not need to be considered; a constant-force clockwork spring is adopted, operation is convenient by means of a material, a four-rail take-up structure is adopted, take-up and pay-off can be conducted synchronously through one person, and meanwhile the conditions of four cables in a foundation pile detection simulation sound wave penetration method can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to analog detection device technical field, more specifically, the utility model relates to a kind of auxiliary device for pile integrity detection. BACKGROUND

[0002] At present, pile detection workload is large, and the number of detection technicians is large, especially in the traffic industry engaged in pile detection work The main contradiction faced by the technical personnel is that the ability, level and quality of detection service are not adapted to the requirements of traffic construction, so standardizing the market behavior of detection and continuously improving the overall level of detection personnel is the current work focus. In order to improve the quality of the detection team in the traffic industry, it is urgent to train and examine the pile detection personnel in the traffic industry. It is very important for pile detection personnel to correctly understand the principles of pile design, pile construction technology, pile detection method, pile detection data analysis, and pile integrity interpretation.

[0003] The existing pile detection is mostly through theoretical learning and operation training, and the research on the combination of simulation teaching and civil engineering professional practice teaching is still relatively small, especially in the specific teaching application of pile detection. For example, the cable winding device for simulating the effect of the cable and probe falling under gravity when placed inside the pile. Further exploration is needed. Due to the characteristics of civil engineering disciplines, students' practical operation ability is emphasized, and traditional classroom theoretical knowledge teaching cannot meet this ability training goal. In addition, due to the site and time limitations of construction site teaching, the risk is high, and some practical activities cannot be actually operated. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide an auxiliary device for pile integrity detection, which can effectively solve the problems in the background art.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is:

[0006] An auxiliary device for pile integrity detection, comprising a fixed frame, the upper end of the fixed frame is provided with a power structure, the outer surface of the power structure is fixedly installed with a four-track cable winding structure;

[0007] The power structure comprises a fixed shaft, the both ends of the fixed shaft are fixedly installed with fixed blocks, the outer surfaces of the both ends of the fixed shaft are rotatably installed with mounting plates, the outer sides of the both ends of the mounting plates are fixedly installed with connecting rings, the side edges of the connecting rings are fixedly installed with rotating plates, the side edges of the rotating plates are fixedly installed with bearings, the bearings are rotatably installed on the outer surfaces of the fixed shafts, and the fixed blocks and the bearings are fixedly connected through bolts.

[0008] Preferably, the inner movable sleeve of the connecting ring is sleeved with a constant force clock spring, one side of the constant force clock spring is fixedly provided with an outer fixed end, the outer fixed end is embeddedly installed on the inner wall of the connecting ring, the other end of the constant force clock spring is fixedly provided with an inner fixed end, and the inner fixed end is embeddedly installed on the outer surface of the fixed shaft.

[0009] Preferably, the thickness of the constant force clock spring is 0.55 mm, the width of the constant force clock spring is 20 mm, the length of the constant force clock spring is 11500 mm, the number of turns of the constant force clock spring is 32 turns, the fixed diameter of the constant force clock spring is 175 mm, and the wire pulling force of the constant force clock spring is 35N-45N.

[0010] Preferably, the fixed frame comprises a support frame, limit cantilevers are fixedly installed on the outer side of the upper end of the support frame, two support shafts are fixedly installed on the side of the limit cantilevers away from the support frame, limit rollers are rotatably installed on the outer surfaces of the two support shafts, and the upper end of the support frame is fixedly connected with the fixed blocks at the two ends of the fixed shaft through bolts.

[0011] Preferably, the four-rail take-up structure comprises two rotating blocks, fixed plates are fixedly installed on the outer sides of the two rotating blocks, and the two rotating blocks are fixedly connected through bolts.

[0012] Preferably, the four-rail take-up structure further comprises two inner plate frames, three outer plate frames and a plurality of fixed screws, mounting ears are fixedly installed on the inner walls of the two inner plate frames, the two fixed plates are fixedly connected with the two mounting ears through bolts respectively, a plurality of fixed screws are movably sleeved in the interiors of the outer plate frames and the inner plate frames, a plurality of limiting nuts are threadedly connected to the outer surfaces of the fixed screws, the plurality of limiting nuts are respectively located on the two sides of the outer plate frames and the two sides of the inner plate frames, the outer plate frame is located between the two inner plate frames, and the side edges of the inner plate frames are fixedly connected with the mounting plate through bolts.

[0013] Compared with the prior art, the utility model has the advantages of the following:

[0014] 1. Strong applicability, which makes up for the need to carry out measurement on site under existing conditions, is not affected by weather and location, and can simulate the gravity environment of pile detection indoors.

[0015] 2. Expandability, the distance between the four rails of the cable can be fixed by the limiting nuts, and the diameter of the cable can be adjusted conveniently.

[0016] 3. Pure mechanical structure, simple and reliable, without considering electrical environment and energy source.

[0017] 4. It adopts a constant force spring, which generates force through the deformation of the material itself. Springs can be customized according to requirements to meet different torque needs;

[0018] 5. Easy to operate, with a four-rail take-up structure, one person can operate it simultaneously to take up and release the wires. At the same time, it can meet the requirements of four cables for the simulated acoustic wave transmission method of pile foundation testing. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the fixing frame structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the power structure of this utility model;

[0022] Figure 4 This is a schematic diagram of the internal structure of the connecting ring of this utility model;

[0023] Figure 5 This is a schematic diagram of the four-rail take-up structure of this utility model;

[0024] Figure 6 This is an exploded view of the four-rail take-up structure of this utility model.

[0025] The attached diagram is labeled as follows: 1. Fixed frame; 2. Power structure; 3. Four-rail take-up structure; 11. Support frame; 12. Limiting cantilever; 13. Support shaft; 14. Limiting roller; 21. Fixed shaft; 22. Mounting plate; 23. Connecting ring; 24. Fixed block; 25. Bearing; 26. Rotating plate; 27. Constant force spring; 28. Outer fixed end; 29. ​​Inner fixed end; 31. Rotating block; 32. Fixed plate; 33. Inner plate frame; 34. Mounting ear; 35. Outer plate frame; 36. Fixed screw; 37. Limiting nut. Detailed Implementation

[0026] To make the technical problems, technical solutions and advantages of this utility model clearer, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.

[0027] As attached Figure 1 To be continued Figure 6 The present invention provides an auxiliary device for detecting the integrity of foundation piles, including a fixed frame 1, a power structure 2 and a four-rail take-up structure 3. The power structure 2 is set at the upper end of the fixed frame 1, and the interior of the power structure 2 is fixedly installed with the four-rail take-up structure 3.

[0028] like Figure 3 - Figure 4As shown, the power structure 2 includes a fixed shaft 21, both ends of the fixed shaft 21 are fixedly installed with a fixed block 24, the outer surfaces of both ends of the fixed shaft 21 are rotatably installed with an installation plate 22, the outer sides of both ends of the installation plate 22 are fixedly installed with a connecting ring 23, the side edges of the connecting ring 23 are fixedly installed with a rotating plate 26, the side edges of the rotating plate 26 are fixedly installed with a bearing 25, and the bearing 25 is rotatably installed on the outer surface of the fixed shaft 21. The fixed block 24 and the bearing 25 are fixedly connected by bolts.

[0029] Wherein, the inside of the connecting ring 23 is movably sleeved with a constant force clockwork spring 27, one side of the constant force clockwork spring 27 is fixedly installed with an outer fixed end 28, the outer fixed end 28 is embeddedly installed on the inner wall of the connecting ring 23, the other end of the constant force clockwork spring 27 is fixedly installed with an inner fixed end 29, and the inner fixed end 29 is embeddedly installed on the outer surface of the fixed shaft 21.

[0030] Wherein, the thickness of the constant force clockwork spring 27 is 0.55mm, the width of the constant force clockwork spring 27 is 20mm, the length of the constant force clockwork spring 27 is 11500mm, the number of turns of the constant force clockwork spring 27 is 32, the fixed diameter of the constant force clockwork spring 27 is 175mm, and the wire tension of the constant force clockwork spring 27 is 35N to 45N. Since the wire tension of the constant force clockwork spring 27 is 35N to 45N, it is more suitable for simulating the cable and probe rod tension in the foundation pile detection site, and more vividly simulates the effect of gravity falling.

[0031] As shown in Figure 2 The fixed frame 1 includes a support frame 11, the outer sides of the upper ends of the support frame 11 are fixedly installed with limiting cantilevers 12, the sides away from the support frame 11 of both ends of the limiting cantilevers 12 are fixedly installed with two support shafts 13, the outer surfaces of the two support shafts 13 are rotatably installed with limiting rollers 14, the limiting rollers 14 are composed of four rollers, and the upper ends of the support frame 11 and the fixed blocks 24 at both ends of the fixed shaft 21 are fixedly connected by bolts.

[0032] The two limiting rollers 14 are used to limit the cable, and the two groups of four rollers are used to limit the cable, so that the cable is prevented from falling off, and the winding and unwinding of the four cables are facilitated.

[0033] As shown in Figure 5 - Figure 6 The four-track take-up structure 3 includes two rotating blocks 31 and an inner plate frame 33, three outer plate frames 35 and a plurality of fixed screws 36, the outer sides of the two rotating blocks 31 are fixedly installed with fixed plates 32, the two rotating blocks 31 are fixedly connected by bolts, and the rotating blocks 31 are rotatably installed on the outer surface of the fixed shaft 21.

[0034] The inner wall of the two inner plate frames 33 is fixedly provided with mounting ears 34, the two fixed plates 32 are fixedly connected with the two mounting ears 34 through bolts respectively, a plurality of fixed screws 36 are movably sleeved in the inner part of the outer plate frame 35 and the inner plate frame 33, a plurality of limiting nuts 37 are threadedly connected to the outer surface of the fixed screw 36, the plurality of limiting nuts 37 are located at the two sides of the outer plate frame 35 and the two sides of the inner plate frame 33 respectively, the outer plate frame 35 is located between the two inner plate frames 33, and the side edge of the inner plate frame 33 is fixedly connected with the mounting plate 22 through a bolt.

[0035] The four tracks are formed between the two inner plate frames 33 and the three outer plate frames 35, the distance between the four tracks is fixed through the fixing between the fixed screw 36 and the limiting nut 37, the outer plate frame 35 and the mounting ear 34 are fixed through the movement of the two limiting nuts 37 on the outer surface of the fixed screw 36, the four track spacings are 1.3 times of the cable diameter, and the cable winding in each track will not be clamped due to the too small size of the wire inlet, and meanwhile, the coils of each cable in the respective track increase in turn and will not overlap and interlace.

[0036] The four tracks facilitate the winding and unwinding of the four cables, and simulate the conditions of the four cables in the simulation sound wave penetration method of the foundation pile detection.

[0037] The working process of the utility model is as follows:

[0038] After the overall assembly is completed, the foundation pile detection simulation gravity cable winding device is fixed, the cable is pulled outwards, the four-track winding structure 3 and the constant force clock spring 27 are synchronously rotated, the inner side fixed end 29 of the constant force clock spring 27 remains fixed, the outer side fixed end 28 rotates with the four-track winding structure 3, the mounting plate 22 rotates, the constant force clock spring 27 deforms and stores certain potential energy when subjected to external force, and the constant force clock spring 27 releases the stored energy by returning to the original shape after the cable is loosened, the power generated by the potential energy can simulate the gravity received by the cable probe rod, and the cable is rewound between the four tracks formed between the two inner plate frames 33 and the three outer plate frames 35.

[0039] Finally, it should be pointed out that: the utility model discloses the embodiment in the drawing, only relates to the structure involved in the embodiment, other structures can refer to the usual design, in the case of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0040] The above only for the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An auxiliary device for detecting the integrity of foundation piles, comprising a fixing frame (1), characterized in that: The upper end of the fixed frame (1) is provided with a power structure (2), and a four-rail take-up structure (3) is fixedly installed on the outer surface of the power structure (2); The power structure (2) includes a fixed shaft (21), with fixed blocks (24) fixedly installed at both ends of the fixed shaft (21). Mounting plates (22) are rotatably installed on the outer surfaces of both ends of the fixed shaft (21). Connecting rings (23) are fixedly installed on the outer sides of the mounting plates (22) at both ends. Rotating plates (26) are fixedly installed on the sides of the connecting rings (23). Bearings (25) are fixedly installed on the sides of the rotating plates (26). The bearings (25) are rotatably installed on the outer surface of the fixed shaft (21). The fixed blocks (24) and the bearings (25) are fixedly connected by bolts.

2. The auxiliary device for detecting the integrity of foundation piles according to claim 1, characterized in that: A constant force spring (27) is movably sleeved inside the connecting ring (23). An outer fixed end (28) is fixedly installed on one side of the constant force spring (27), and the outer fixed end (28) is embedded in the inner wall of the connecting ring (23). An inner fixed end (29) is fixedly installed on the other end of the constant force spring (27), and the inner fixed end (29) is embedded in the outer surface of the fixed shaft (21).

3. The auxiliary device for detecting the integrity of foundation piles according to claim 2, characterized in that: The constant force spring (27) has a thickness of 0.55 mm, a width of 20 mm, a length of 11500 mm, 32 turns, a fixed diameter of 175 mm, and a lead wire tension of 35 N to 45 N.

4. The auxiliary device for detecting the integrity of foundation piles according to claim 1, characterized in that: The fixed frame (1) includes a support frame (11). Limiting cantilever arms (12) are fixedly installed on the outer side of the upper end of the support frame (11). Two support shafts (13) are fixedly installed on the side of the limiting cantilever arms (12) away from the support frame (11). Limiting rollers (14) are rotatably installed on the outer surface of the two support shafts (13). The upper end of the support frame (11) is fixedly connected to the fixing blocks (24) at both ends of the fixed shaft (21) by bolts.

5. The auxiliary device for detecting the integrity of foundation piles according to claim 2, characterized in that: The four-rail take-up structure (3) includes two rotating blocks (31), and a fixing plate (32) is fixedly installed on the outer side of each of the two rotating blocks (31). The two rotating blocks (31) are fixedly connected by bolts, and the rotating blocks (31) are rotatably installed on the outer surface of the fixing shaft (21).

6. The auxiliary device for pile integrity testing according to claim 5, characterized in that: The four-rail take-up structure (3) also includes two inner plate frames (33), three outer plate frames (35) and multiple fixing screws (36). The inner walls of the two inner plate frames (33) are fixedly installed with mounting ears (34). The two fixing plates (32) are fixedly connected to the two mounting ears (34) by bolts respectively. The multiple fixing screws (36) are movably sleeved inside the outer plate frames (35) and the inner plate frames (33). The outer surface of the fixing screws (36) is threaded with multiple limiting nuts (37). The multiple limiting nuts (37) are located on both sides of the outer plate frames (35) and both sides of the inner plate frames (33). The outer plate frames (35) are located between the two inner plate frames (33). The sides of the inner plate frames (33) are fixedly connected to the mounting plate (22) by bolts.

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