CN218466603U - Pile cap high strain detection device - Google Patents

Abstract

The utility model relates to a detect technical field, especially relate to a pile cap height detection device that meets an emergency. Including hoisting machine structure, the steel cable end-to-end connection release that hoisting machine structure stretched out, the below hoist and mount of release have the weight, and the axle center department of weight is equipped with the taper hole, and the test pile top is equipped with the pile cap, and the top of pile cap is equipped with the guide pillar, and the downside of pile cap is equipped with a plurality of elasticity centre gripping arms of circumference equipartition, and the downside of centre gripping arm is equipped with the interior recess of arc, and the interior recess outside cover of a plurality of centre gripping arms is equipped with and tightens the mechanism. The counter weight with the tapered hole is matched with the pile cap with the guide post, so that the guide post guides the falling process of the counter weight, and the counter weight is prevented from falling off and deviating or slipping due to bouncing; the elastic clamping arms and the tightening mechanism are matched to realize reliable installation of pile heads with different diameters, so that pile caps are prevented from being separated, and the adaptability is high.

Description

Pile cap high strain detection device

Technical Field

The utility model relates to a detect technical field, especially relate to a pile cap height detection device that meets an emergency.

Background

The high strain detection is a detection method for judging the vertical compression bearing capacity and the integrity of a pile body of a single pile, a heavy hammer is used for impacting the pile top in an experiment, the speed and force time-course curve of the pile top are measured in an actual mode, and the speed and force time-course curve is analyzed through a fluctuation theory. The existing high-strain detection device is characterized in that a high-strain detection instrument sensor is arranged on the lower side of a pile cap in advance, a heavy hammer is hoisted to a corresponding detection height, the falling height of the heavy hammer is measured by adopting a tower ruler, the position and the angle of the heavy hammer need to be adjusted time-consuming before the heavy hammer falls, and a waveform formed by knocking can be transmitted to a detection instrument after the knocking is finished. Because the weight falls freely, if the falling position of the weight is not well adjusted or the weight swings under the influence of the environment, the weight is frequently broken or falls off, the pile head is seriously damaged, and the detection result is influenced, so that the workload of pile head repair is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the technique that exists is not enough to the aforesaid, provides a pile cap high strain detection device, adopts the weight that sets up the taper hole and the pile cap cooperation that has the guide pillar, has solved the weight and has pounded the problem that partially just the pile head is fragile.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a pile cap high strain detection device, includes hoisting machine and constructs, the steel cable end-to-end connection release that hoisting machine constructs the extension, the below hoist and mount of release has the weight, the axle center department of weight is equipped with the taper hole, and the test pile top is equipped with the pile cap, the top of pile cap is equipped with the guide pillar, the downside of pile cap is equipped with a plurality of elasticity centre gripping arms of circumference equipartition, the downside of centre gripping arm is equipped with the interior recess of arc, a plurality of centre gripping arms interior recess outside cover is equipped with and tightens the mechanism. The counter weight with the tapered hole is matched with the pile cap with the guide post, so that the guide post guides the falling process of the counter weight, and the counter weight is prevented from falling off and being smashed to be inclined or sliding due to bouncing; the elastic clamping arms and the tightening mechanism are matched to realize reliable installation of pile heads with different diameters, so that pile caps are prevented from being separated, and the adaptability is high.

Further optimize this technical scheme, the pile cap includes the loading board on upper portion and the adapter sleeve of downside, the vertical setting of guide pillar is in the axle center upper portion of loading board, the centre gripping arm sets up the downside of adapter sleeve, the adapter sleeve with the loading board detachable is connected.

This technical scheme is further optimized, the downside of loading board is equipped with a plurality of different diameters with the same axial bulge loop down, the top of adapter sleeve is equipped with the annular groove of indent, the bulge loop embedding is in the annular inslot, be equipped with the ditch in the lateral wall of bulge loop, the annular groove with the position that the ditch corresponds is equipped with the joint strip. The connecting sleeves with different diameters are detachably mounted under the bearing plate, so that the pile head with the diameter in a wider range can be adapted.

Further optimize this technical scheme, the top surface edge of loading board is equipped with radial a plurality of deep floor. The arrangement of the reinforcing plate increases the bearing capacity of the edge of the bearing plate, reduces the whole weight and is easy to transport.

Further optimize this technical scheme, hoisting mechanism includes the support frame, the upper portion of support frame is equipped with the crossbeam, be connected with hoisting mechanism in the crossbeam, the hoisting steel cable has stretched out below the hoisting mechanism.

Further optimize this technical scheme, the inboard of lacing mechanism is equipped with a plurality of rubber support blocks, the rubber support block sets up between two adjacent centre gripping arms. The friction force between the tightening mechanism and the pile cap and the pile head can be increased through the arranged rubber supporting block, and the danger caused by mutual sliding is avoided.

Drawings

Fig. 1 is a schematic structural diagram of a pile cap high strain detection device.

Fig. 2 is an exploded view of a pile cap high strain detection device.

Fig. 3 is a cross-sectional view of a pile cap high strain sensing device.

Fig. 4 is a partially enlarged schematic view of a portion a of fig. 3.

In the figure: 1. a support frame; 10. a cross beam; 2. a hoisting mechanism; 3. a release; 4. a weight; 41. a tapered bore; 5. pile caps; 50. a carrier plate; 501. a convex ring; 502. a concave channel; 51. a guide post; 511. reinforcing rib plates; 52. a clamp arm; 521. an inner concave portion; 53. connecting sleeves; 531. an annular groove; 6. a tightening mechanism; 61. and (7) a supporting block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1, the pile cap high strain detection device comprises a hoisting mechanism, wherein the hoisting mechanism comprises a support frame 1, a beam 10 is arranged on the upper portion of the support frame 1, a hoisting mechanism 2 is connected in the beam 10, a hoisting steel rope is extended below the hoisting mechanism 2, the tail end of the steel rope extended by the hoisting mechanism is connected with a release 3, a heavy hammer 4 is hoisted below the release 3, a tapered hole 41 is formed in the axis of the heavy hammer 4, a pile cap 5 is arranged at the top of a test pile, a guide pillar 51 is arranged at the top of the pile cap 5, a plurality of elastic clamping arms 52 uniformly distributed in the circumferential direction are arranged on the lower side of the pile cap 5, an arc-shaped concave portion 521 is arranged on the lower side of each clamping arm 52, a tightening mechanism 6 is sleeved outside the concave portion 521, a plurality of rubber supporting blocks 61 are arranged on the inner side of the tightening mechanism 6, and the rubber supporting blocks 61 are arranged between two adjacent clamping arms 52.

As shown in fig. 2-3, the pile cap 5 includes an upper bearing plate 50 and a lower connecting sleeve 53, the guide post 51 is vertically disposed on the upper portion of the axial center of the bearing plate 50, and a plurality of radial reinforcing ribs 511 are disposed on the top edge of the bearing plate 50. The clamping arm 52 is arranged at the lower side of the connecting sleeve 53, and the connecting sleeve 53 is detachably connected with the bearing plate 50.

Referring to fig. 3-4, the lower side of the bearing plate 50 is provided with a plurality of downward convex rings 501 with different diameters, the top of the connecting sleeve 53 is provided with an inward concave annular groove 531, the convex rings 501 are embedded in the annular groove 531, a groove 502 is arranged in the side wall of the convex rings 501, and the annular groove 531 and the groove 502 are provided with clamping strips.

When the connecting sleeve 53 is used, the diameter of the pile head is measured, the connecting sleeve 53 with a proper inner diameter is selected, the connecting sleeve 53 is connected with the bearing plate 50, the clamping strip is reliably clamped in the groove 502, and the connecting sleeve 53 is connected with the shared bearing plate 50 correspondingly. After the test, the pile cap 5 is sleeved on the top of the test pile head, the tightening mechanism 6 is sleeved on the concave portion 521, the rubber supporting block 61 is arranged between the two adjacent clamping arms 52, the tightening mechanism 6 is tightened, the tightening mechanism 6 is an adjustable screw rod hoop and can be reused for multiple times, a sensor is installed, the heavy hammer is lifted to a proper height, the conical hole 41 is aligned in a proper range of the guide pillar 51, the release 3 can be started to drop, and the test and data analysis are completed.

Claims (6)

1. The utility model provides a pile cap high strain detection device, includes hoisting machine and constructs, the steel cable end-to-end connection release (3) that hoisting machine constructs the stretch out, the below hoist and mount of release (3) have weight (4), its characterized in that: the axial center of the heavy hammer (4) is provided with a tapered hole (41), the top of the test pile is provided with a pile cap (5), the top of the pile cap (5) is provided with a guide pillar (51), the lower side of the pile cap (5) is provided with a plurality of elastic clamping arms (52) which are uniformly distributed in the circumferential direction, the lower side of each clamping arm (52) is provided with an arc-shaped inner concave part (521), and the outer side of each inner concave part (521) of each clamping arm (52) is sleeved with a tightening mechanism (6).

2. The pile cap high strain detection device of claim 1, wherein: the pile cap (5) comprises a bearing plate (50) on the upper portion and a connecting sleeve (53) on the lower side, the guide pillar (51) is vertically arranged on the upper portion of the axis of the bearing plate (50), the clamping arm (52) is arranged on the lower side of the connecting sleeve (53), and the connecting sleeve (53) is detachably connected with the bearing plate (50).

3. The pile cap high strain detection device of claim 2, wherein: the downside of loading board (50) is equipped with a plurality of different diameters with decurrent bulge loop (501), the top of adapter sleeve (53) is equipped with annular groove (531) of indent, bulge loop (501) embedding is in annular groove (531), be equipped with ditch (502) in the lateral wall of bulge loop (501), annular groove (531) with the position that ditch (502) correspond is equipped with the joint strip.

4. The pile cap high strain detection device of claim 2, wherein: the edge of the top surface of the bearing plate (50) is provided with a plurality of radial reinforcing rib plates (511).

5. The pile cap high strain detection device of claim 1, wherein: the hoisting mechanism comprises a support frame (1), a cross beam (10) is arranged on the upper portion of the support frame (1), a hoisting mechanism (2) is connected into the cross beam (10), and a hoisting steel rope extends out of the lower portion of the hoisting mechanism (2).

6. The pile cap high strain detection device of claim 1, wherein: the inner side of the tightening mechanism (6) is provided with a plurality of rubber supporting blocks (61), and the rubber supporting blocks (61) are arranged between two adjacent clamping arms (52).

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