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CN-121992763-A - Highway subgrade bearing capacity detection device

CN121992763ACN 121992763 ACN121992763 ACN 121992763ACN-121992763-A

Abstract

The invention discloses a highway subgrade bearing capacity detection device, which relates to the technical field of subgrade bearing capacity detection and comprises a roadbed layer, pilot hole and a detection mechanism, wherein the detection mechanism is provided with an auxiliary mechanism, the auxiliary mechanism comprises an oil storage shell and two mounting holes, two perforated plates and a sealing gasket are arranged in the oil storage shell, a shell cover is additionally arranged at an inlet of the oil storage shell, a sealing sleeve is movably sleeved between the interiors of the two mounting holes, an L-shaped plate is fixed in the sealing sleeve, the remaining two ports of the three-way pipe are communicated with an electric valve, and one end of the L-shaped plate is fixed with an L-shaped rod.

Inventors

  • HUANG JUNZHONG
  • ZENG JIANCONG
  • LUO JIAYE

Assignees

  • 广东路通达建设工程有限公司

Dates

Publication Date
20260508
Application Date
20260226

Claims (10)

  1. 1. The highway subgrade bearing capacity detection device comprises a road surface layer (1), pilot hole (2) and a detection mechanism (4), and is characterized in that the detection mechanism (4) comprises a heat dissipation type hydraulic station (401), a detachable cross beam (405), a detachable water tank (406) and four supporting frames (417), an auxiliary mechanism (5) is arranged on the detection mechanism (4), and the auxiliary mechanism (5) is used for assisting the detection mechanism (4) to erect normally; The auxiliary mechanism (5) comprises an oil storage shell (501) and two mounting holes (505), two perforated plates (502) and sealing gaskets (503) are arranged in the oil storage shell (501), a shell cover (504) is additionally arranged at the inlet of the oil storage shell (501), sealing sleeves (506) are movably sleeved between the interiors of the two mounting holes (505), L-shaped plates (507) are fixed in the sealing sleeves (506), springs (509) are fixed on the surfaces of the L-shaped plates (507), connecting pipes (513) are communicated with the oil inlet ends of the shell covers (504), three-way pipes (511) are communicated with the liquid inlet ends of the connecting pipes (513), two ports of the three-way pipes (511) are all communicated with electric valves (512), one oil outlet end of each electric valve (512) is communicated with an L-shaped pipe (514), and one end of each L-shaped plate (507) is fixedly provided with an L-shaped rod (515); The detachable cross beam (405) comprises two end cross frames (4050), and a middle cross frame (4051) is fixedly inserted between the two end cross frames (4050); the detachable sink (406) includes a left housing (4060), a middle housing (4061), and a rear housing (4062).
  2. 2. The highway subgrade bearing capacity detection device according to claim 1, characterized in that one of the perforated plates (502) is fixed in the oil storage shell (501), the other perforated plate (502) is fixed in one end of an L-shaped rod (515), one end of the L-shaped rod (515) is movably sleeved in the interior of one perforated plate (502), the sealing pad (503) is adhered to the surface of the other perforated plate (502), the surface of the sealing pad (503) is in contact with the surface of the shell cover (504), the other end of the L-shaped plate (507) movably penetrates through a limiting rod (508), the limiting end of the limiting rod (508) is movably sleeved in the interior of a spring (509), and one end of the L-shaped rod (515) movably penetrates through the outer wall of the oil storage shell (501).
  3. 3. The highway subgrade bearing capacity detection device according to claim 2, characterized in that pilot hole (2) is arranged at the top of the pavement layer (1), a placement table (3) is arranged at the top of the pavement layer (1), the detection mechanism (4) further comprises a processor (402) and a thin steel gasket (415), the heat dissipation type hydraulic station (401) is arranged at the top of the pavement layer (1), the processor (402) is arranged at the top of the placement table (3), a data acquisition instrument (403) and a display (404) are arranged around the processor (402), and the data acquisition instrument (403) and the display (404) are both arranged at the top of the placement table (3).
  4. 4. The highway subgrade bearing capacity detection device according to claim 3, characterized in that four supporting frames (417) are placed on the top of the road surface layer (1), the detachable cross beams (405) are positioned between the tops of the four supporting frames (417), the detachable water tanks (406) are arranged on the top of the detachable cross beams (405), three detachable reference frames (407) are additionally arranged on the top of the road surface layer (1) in an equidistant distribution mode, and displacement sensors (408) are additionally arranged on the bottom installation ends of each detachable reference frame (407).
  5. 5. The highway subgrade bearing capacity detection device as set forth in claim 4, wherein an oil cylinder (409) is arranged in the pilot hole (2), a round bearing plate (410) is contacted with the bottom of the oil cylinder (409), a leveling layer (411) is contacted with the bottom of the round bearing plate (410), the bottom of the leveling layer (411) is contacted with a roadbed compacted on the bottom of the inner wall of the pilot hole (2), two symmetrical U-shaped reference frames (412) are arranged on the top of the roadbed layer (1), four support frames (417) are arranged between the two U-shaped reference frames (412), and electronic dial indicators (413) are additionally arranged on opposite surfaces of the two U-shaped reference frames (412).
  6. 6. The highway subgrade bearing capacity detection device according to claim 5, characterized in that the top of the telescopic end of the oil cylinder (409) is contacted with a pressure sensor (414), the top of the pressure sensor (414) is additionally provided with a mounting frame (416) through a thin steel gasket (415), and the liquid outlet end of the L-shaped pipe (514) is fixedly penetrated through the top of the oil tank of the heat dissipation type hydraulic station (401) and extends to the top of the inside of the oil tank on the heat dissipation type hydraulic station (401).
  7. 7. The highway subgrade bearing capacity detecting device as set forth in claim 5, wherein the detecting end of each displacement sensor (408) is in contact with the top of the circular bearing plate (410), and the liquid inlet end of the other electric valve (512) is communicated with one liquid outlet end of an oil pump of the heat dissipation type hydraulic station (401).
  8. 8. The highway subgrade bearing capacity detection device as set forth in claim 6, wherein a set of limiting blocks (4052) are fixed at the top of each end cross frame (4050) near the edge, a sealing strip (4063) is fixedly extruded between the left shell (4060), the middle shell (4061) and the rear shell (4062), the left shell (4060) is additionally arranged at the top of one end cross frame (4050), the outer wall of the left shell (4060) is contacted with the surface of one set of limiting blocks (4052), the middle shell (4061) is additionally arranged at the top of the middle cross frame (4051), the rear shell (4062) is additionally arranged at the top of the other end cross frame (4050), a sealing strip (4063) is fixedly extruded between the left shell (4060) and the middle shell (4061), and a sealing strip (4063) is fixedly extruded between the rear shell (4062) and the middle shell (4061).
  9. 9. The highway subgrade bearing capacity testing device as set forth in claim 8, wherein the outer wall of said rear housing (4062) is in contact with the surface of another set of limiting blocks (4052), wherein the top of two of said support frames (417) is fixed to the bottom of one of said end cross frames (4050), the top of the other two of said support frames (417) is fixed to the bottom of the other end cross frame (4050), and the testing ends of two of said electronic dial indicators (413) are in contact with the bottoms of the two end cross frames (4050), respectively.
  10. 10. The highway subgrade bearing capacity detection device as set forth in claim 6, wherein the oil storage shell (501) is fixed on the outer wall of the left shell (4060), the two mounting holes (505) are arranged on two sides of the inner wall of the liquid discharge end of the left shell (4060) in advance, one end of the limiting rod (508) is fixed with the outer wall of the liquid discharge end of the left shell (4060), one end of the spring (509) is fixed with the outer wall of the liquid discharge end of the left shell (4060), the liquid discharge end of the left shell (4060) is fixed with the guide shell (510), and the mounting frame (416) is additionally arranged at the bottom of the middle transverse frame (4051).

Description

Highway subgrade bearing capacity detection device Technical Field The invention relates to the technical field of roadbed bearing capacity detection, in particular to a highway roadbed bearing capacity detection device. Background The highway subgrade is a core bearing foundation of highway engineering and is a rock-soil body structure subjected to excavation, filling or compaction treatment, and common highway subgrade is divided into a soil subgrade, a soil-stone mixed subgrade and a new material subgrade, wherein the new material subgrade is a subgrade structure constructed by adopting industrial solid waste, light synthetic materials, modified rock-soil materials and other non-traditional subgrade fillers in the construction of subgrade filling and reinforcing, and the existing new material subgrade is detected by using a subgrade bearing capacity detection device before actual use so as to ensure the whole bearing performance and long-term stability of the later-stage subgrade. In the actual use process of the existing highway subgrade bearing capacity detection device, though the bearing capacity of the new material subgrade can be detected, the counterweight and the cross beam used by the detection device are large-volume heavy components, large-scale equipment is needed during site transportation and position movement, and the whole transportation difficulty is very high, if the peripheral operation space of the new material subgrade section to be detected is limited at this time, the large-scale equipment cannot enter the site to carry out arrangement operation, so that the detection device cannot be directly erected on site, and the subgrade bearing capacity detection work cannot be completed. We have therefore proposed a new highway subgrade bearing detection device in order to solve the problems set out in the background art above. Disclosure of Invention The invention aims to provide a highway subgrade bearing capacity detection device, which can solve the problem that large-scale equipment is required to be used when a counterweight and a cross beam are carried and move in position by arranging an auxiliary mechanism, thereby ensuring that the detection device can be normally erected on a new material subgrade section with limited operation space, and solving the problems proposed by the background technology. The highway subgrade bearing capacity detection device comprises a road surface layer, pilot hole and a detection mechanism, wherein the detection mechanism comprises a heat dissipation type hydraulic station, a detachable cross beam, a detachable water tank and four support frames, and an auxiliary mechanism is arranged on the detection mechanism and is used for assisting the detection mechanism to erect normally; The auxiliary mechanism comprises an oil storage shell and two mounting holes, wherein two perforated plates and sealing gaskets are arranged in the oil storage shell, a shell cover is additionally arranged at the inlet of the oil storage shell, sealing sleeves are movably sleeved between the interiors of the two mounting holes, an L-shaped plate is fixed in the sealing sleeves, a spring is fixed on the surface of the L-shaped plate, the oil inlet end of the shell cover is communicated with a connecting pipe, the liquid inlet end of the connecting pipe is communicated with a three-way pipe, the remaining two ports of the three-way pipe are communicated with electric valves, one oil outlet end of one electric valve is communicated with an L-shaped pipe, and one end of the L-shaped plate is fixedly provided with an L-shaped rod; the detachable cross beam comprises two end cross frames, and a middle cross frame is fixedly inserted between the two end cross frames; The detachable pool includes a left housing, a middle housing, and a rear housing. Preferably, one of the perforated plates is fixed in the oil storage shell, the other perforated plate is fixed at one end of the L-shaped rod, one end of the L-shaped rod is movably sleeved in the other perforated plate, the sealing gasket is adhered to the surface of the other perforated plate, the surface of the sealing gasket is contacted with the surface of the shell cover, the other end of the L-shaped plate movably penetrates through the limiting rod, the limiting end of the limiting rod is movably sleeved in the spring, and one end of the L-shaped rod movably penetrates through the outer wall of the oil storage shell. Preferably, pilot hole is offered in the top of pavement layer, place the platform at the top of pavement layer, detection mechanism still includes treater and thin steel gasket, heat dissipation formula hydraulic pressure station is placed in the top of pavement layer, the treater is placed in the top of placing the platform, be provided with data acquisition instrument and display around the treater, data acquisition instrument and display are all placed in the top of placing the platform. Preferably, the four sup