CN-224216460-U - Piezoelectric type detection device for engineering soil consolidation experiment

CN224216460UCN 224216460 UCN224216460 UCN 224216460UCN-224216460-U

Abstract

The utility model relates to the technical field of soil parameter testing, in particular to a piezoelectric type detection device for engineering soil consolidation experiments, which comprises a base, a piezoelectric type detection mechanism, a consolidation mechanism, a lifting mechanism and a cleaning mechanism, wherein the piezoelectric type detection mechanism comprises a horizontal moving platform and a piezoelectric type detection equipment body, the consolidation mechanism comprises a hoisting plate, a pressurizing structure, a consolidation cylinder and four first connecting arm assemblies, the hoisting plate is arranged at the upper end of the base in parallel, the pressurizing structure comprises a pressing driver, the pressing driver is arranged on the hoisting plate, the lower end of the pressing driver is sequentially provided with a hoisting support, a connecting shaft and a pressurizing column, the consolidation cylinder is arranged at the lower end of the pressurizing column, the lifting mechanism is arranged at the upper end of the hoisting plate, and the cleaning mechanism is arranged on the hoisting support.

Inventors

ZHANG GUOXIANG
ZHANG WENBIN
CHU YUSHENG
TAN ZHIYONG
ZHENG YU
Di bo

Assignees

中国港湾工程有限责任公司
东莞理工学院

Dates

Publication Date: 20260508
Application Date: 20250505

Claims (6)

1. The piezoelectric detection device for the engineering soil consolidation experiment is characterized by comprising a base (1), a piezoelectric detection mechanism (2), a consolidation mechanism (3), a lifting mechanism (4) and a cleaning mechanism (5); The base (1) is horizontally arranged, and a sample unloading port (11) is formed in one side, close to the end part, of the surface of the base (1); The piezoelectric type detection mechanism (2) comprises a horizontal moving platform (21) and a piezoelectric type detection equipment body (22), wherein the horizontal moving platform (21) is arranged on the base (1), and the piezoelectric type detection equipment body (22) is arranged on the horizontal moving platform (21); The consolidation mechanism (3) comprises a hoisting plate (31), a pressurizing structure (32), a consolidation cylinder (33) and four first connecting arm assemblies (34), wherein the hoisting plate (31) is arranged at the upper end of the base (1) in parallel, the pressurizing structure (32) comprises a pressing driver (321), the pressing driver (321) is arranged on the hoisting plate (31), a hoisting bracket (322), a connecting shaft (323) and a pressurizing column (324) are sequentially arranged at the lower end of the pressing driver (321) from top to bottom, the consolidation cylinder (33) is arranged at the lower end of the pressurizing column (324), the four first connecting arm assemblies (34) are respectively arranged at the four corners of the consolidation cylinder (33), and two ends of the first connecting arm assemblies (34) are respectively connected with the hoisting plate (31) and the consolidation cylinder (33); The lifting mechanism (4) is arranged at the upper end of the lifting plate (31), and the lifting mechanism (4) is connected with the lifting plate (31); The cleaning mechanism (5) is arranged on the hoisting bracket (322), and the cleaning mechanism (5) is positioned at the upper end of the pressurizing column (324).
2. The piezoelectric type detection device for engineering soil consolidation experiments as claimed in claim 1, wherein the cleaning mechanism (5) comprises a connecting sleeve (51), a mounting ring (52), a plurality of cleaning structures (53) and a rotary driving structure (54); The connecting sleeve (51) is sleeved on the connecting shaft (323), and the connecting sleeve (51) is connected with the connecting shaft (323) through a bearing; The mounting ring (52) is sleeved at one end of the connecting sleeve (51), and the mounting ring (52) is fixedly connected with the connecting sleeve (51); The cleaning structures (53) are uniformly distributed around the mounting ring (52), the cleaning structures (53) comprise cleaning brushes (531), and the cleaning brushes (531) are connected with the mounting ring (52); The rotary driving structure (54) is arranged on one side of the connecting sleeve (51), and the rotary driving structure (54) is in transmission connection with the connecting sleeve (51).
3. A device for testing the consolidation of engineered soil according to claim 2, wherein the cleaning structure (53) further comprises a second connecting arm assembly (532), the second connecting arm assembly (532) comprising a second telescoping post (5321) and a third spring (5322); two ends of the second telescopic column (5321) are respectively connected with the mounting ring (52) and the cleaning brush (531); The third spring (5322) is sleeved on the second telescopic column (5321), and two ends of the third spring (5322) are respectively connected with two ends of the second telescopic column (5321).
4. The piezoelectric type detection device for engineering soil consolidation experiments according to claim 1, wherein an annular rubber ring (3221) is sleeved outside the hoisting support (322), and the outer diameter of the annular rubber ring (3221) is larger than the inner diameter of the consolidation cylinder (33).
5. The piezoelectric detection device for engineering soil consolidation experiments according to claim 1, wherein the consolidation mechanism (3) further comprises four closing structures (35), the closing structures (35) are respectively arranged on four side walls of the consolidation cylinder (33), mounting grooves for accommodating the closing structures (35) are respectively formed in the four side walls of the consolidation cylinder (33), and the closing structures (35) comprise closing plates (351), closing reset structures (352) and driving plates (353); the closing plate (351) is arranged at the lower end of the consolidation cylinder (33), and the middle part of the closing plate (351) is hinged with the consolidation cylinder (33); the closed reset structure (352) is arranged in the mounting groove; The drive plate (353) is disposed between the closure plate (351) and the closure return structure (352), one end of the drive plate (353) being hinged to one end of the closure plate (351).
6. A piezoelectricity type detection device for engineering soil consolidation experiments as claimed in claim 1, wherein the lifting mechanism (4) comprises a lifting plate (41) and two lifting driving structures (42); the middle part of the lifting plate (41) is connected with the lifting plate (31); The two lifting driving structures (42) are respectively arranged at two ends of the lifting plate (41), and the lifting driving structures (42) are connected with the lifting plate (41).

Description

Piezoelectric type detection device for engineering soil consolidation experiment Technical Field The utility model relates to the technical field of soil parameter testing, in particular to a piezoelectric type detection device for engineering soil consolidation experiments. Background In engineering geology and civil engineering, it is important to conduct intensive research on the consolidation characteristics of soil. The consolidation test aims to obtain the relation between the change of the soil volume and the action time of external force under the action of external force with a certain size. The piezoelectric effect is a physical phenomenon in which certain crystalline or ceramic materials experience maldistribution of charge when subjected to external pressure or deformation, thereby producing electric fields and voltage signals. The effect enables the piezoelectric material to generate an electric signal when being subjected to mechanical stress, and provides a new way for measuring the mechanical property of soil. At present, the test detection equipment is difficult to clean the reinforced soil after the soil sample is reinforced and tested on the structural tree. The patent with the publication number CN209231113U discloses a detection device for a piezoelectric soil consolidation test, when soil is detected, a driving cylinder is started and drives a telescopic rod to extend downwards, a pressurizing plate is pushed to move downwards along a guide pillar and compress an upper buffer spring, and then a sliding plate is driven to slide downwards and the lower buffer spring is driven to compress downwards until the pressurizing column enters a sample groove of a consolidation cylinder to squeeze a soil sample, a piezoelectric clamping groove is clamped on a piezoelectric sensor to pressurize the piezoelectric sensor, at the moment, the piezoelectric sensor detects the extrusion force applied by the soil sample, and in a pressurizing cavity enclosed by the consolidation cylinder, the pressurizing column and a sample placement seat together, the soil sample cannot fall apart, so that the integrity of the soil sample is ensured, when the soil sample in the consolidation cylinder is cleaned, the consolidation cylinder is screwed and disassembled, the soil sample in the sample groove can be pushed out from the other end by applying force from one end, and the consolidation cylinder which is arranged in a penetrating way is convenient for cleaning the soil sample. Although the above scheme is to take the consolidation cylinder off from the detection device for cleaning, in the process of disassembling the consolidation cylinder, the consolidation cylinder can vibrate, the vibration is transmitted to the soil sample in the interior, and part of the soil sample can fall on the sample mounting seat or other places, so that not only the interior of the consolidation cylinder needs to be cleaned, but also other places need to be cleaned, if the sample mounting seat is not cleaned, the consolidation cylinder can not be accurately placed in the sample mounting seat, and the next sample preparation process is longer. Disclosure of utility model Aiming at the problems, the utility model provides the piezoelectric detection device for the engineering soil consolidation experiment, and the piezoelectric detection mechanism, the fixing mechanism, the lifting mechanism and the cleaning mechanism are arranged, so that the synchronous sample unloading and cleaning of the consolidation cylinder are realized, and the use efficiency of the consolidation cylinder is effectively improved. The utility model provides a piezoelectric detection device for engineering soil consolidation experiments, which comprises a base, a piezoelectric detection mechanism, a consolidation mechanism, a lifting mechanism and a cleaning mechanism, wherein the base is horizontally arranged, one side, close to the end, of the surface of the base is provided with a sample unloading port, the piezoelectric detection mechanism comprises a horizontal moving platform and a piezoelectric detection equipment body, the horizontal moving platform is arranged on the base, the piezoelectric detection equipment body is arranged on the horizontal moving platform, the consolidation mechanism comprises a lifting plate, a pressurizing structure, a consolidation cylinder and four first connecting arm assemblies, the lifting plate is arranged at the upper end of the base in parallel, the pressurizing structure comprises a pushing driver, the pushing driver is arranged on the lifting plate, the lower end of the pushing driver is sequentially provided with a lifting bracket, a connecting shaft and a pressurizing column from top to bottom, the consolidation cylinder is arranged at the lower end of the pressurizing column, the four first connecting arm assemblies are respectively arranged at four corners of the consolidation cylinder, two ends of the first connecti