Roadbed settlement observation device and use method thereof

Abstract

The invention relates to the technical field of roadbed observation, in particular to a roadbed settlement observation device and a use method thereof. The device comprises a mounting rack, a supporting mechanism, an adjusting frame, a mounting shaft, a mounting table and an adjusting mechanism, the top of the mounting rack is fixedly connected with a supporting rod; the top end of the supporting rod is fixedly connected with a supporting frame; the supporting mechanism is arranged below the mounting frame; the adjusting frame is arranged in the supporting frame; the mounting shaft is arranged in the adjusting frame; the bottom of the mounting table is fixedly connected with the mounting shaft; a laser pen is arranged at the top of the mounting table; the number of the adjusting mechanisms is two, one adjusting mechanism is arranged on the supporting frame and used for limiting the supporting frame, and the other adjusting mechanism is arranged on the adjusting frame and used for limiting the mounting shaft. Through cooperative arrangement of the supporting frame, the adjusting frame, the rotating shaft, the mounting shaft, the adjusting ball and the mounting table, rapid adjustment of the position of the laser pen is achieved, operation is convenient, and the subgrade settlement measurement precision is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of subgrade observation, and particularly relates to a subgrade settlement observation device and a using method thereof. Background Art

[0002] Subgrade settlement refers to the phenomenon that the road sinks due to external forces or its own gravity. The reasons for subgrade settlement are as follows: insufficient compaction during subgrade construction, weak foundation in the materials used during subgrade construction, insufficient index of subgrade compaction materials, geological mutation, rich groundwater, etc. To determine whether the subgrade settlement meets the standard, a subgrade settlement observation device will be used to measure the settlement data of the subgrade.

[0003] Chinese Patent with Publication No. CN218628275U discloses a subgrade settlement observation device. Its technical solution includes a support bottom plate, a measuring column vertically fixed at the center of the top surface of the support bottom plate, and further includes: a measuring transmitter head horizontally fixed at the middle of the top surface of the measuring column; a laser pen head located on one side of the outer wall of the measuring transmitter head, the laser pen head horizontally fixed at the middle of the outer wall of the laser pen head, and the laser pen head is electrically connected to the inside of the measuring transmitter head; a driving button located at the middle of the top surface of the measuring transmitter head, and the position where the driving button is connected to the measuring transmitter head is hermetically fitted to the inner wall of the measuring transmitter head; The utility model reduces the use of instruments, can quickly measure the subgrade settlement data at multiple positions, improves the efficiency of the subgrade settlement measurement result, and at the same time, the laser ray index is accurate, which is beneficial to improving the accuracy of the measured data.

[0004] However, the above technical solution has the following deficiencies: In actual operation, especially in the field operation environment, it is necessary to repeatedly adjust to keep the laser pen head in a horizontal state, and the operation is relatively difficult. It is very difficult to ensure the horizontal state of the laser, which is not only time-consuming and laborious, but also affects the accuracy of subgrade settlement measurement. Summary of the Invention

[0005] The purpose of the present invention is to propose a subgrade settlement observation device and a using method thereof in view of the problems existing in the background art.

[0006] The technical solution of the present invention: A subgrade settlement observation device includes:

[0007] An installation frame, the top of which is fixedly connected with a support rod, and the top end of the support rod is fixedly connected with a support frame;

[0008] A support mechanism arranged below the installation frame, the top end of the support mechanism is connected to the bottom of the installation frame;

[0009] An adjustment frame arranged inside the support frame, the adjustment frame is rotatably connected to the support frame through a rotating shaft, and the adjustment frame is fixedly connected with the rotating shaft;

[0010] An installation shaft is arranged inside the adjustment box. The installation shaft is rotatably connected to the adjustment box through a rotating shaft. A regulating ball is fixedly connected to the bottom end of the installation shaft, and the installation shaft is fixedly connected to the rotating shaft.

[0011] An installation platform, whose bottom is fixedly connected to the installation shaft, and a laser pointer is arranged on the top of the installation platform.

[0012] Adjusting mechanisms, there are two groups of them. One group of adjusting mechanisms is arranged on the support frame to limit the support frame, and the other group of adjusting mechanisms is arranged on the adjustment box to limit the installation shaft.

[0013] Preferably, a limiting clip is fixedly connected to the top of the installation platform, and the laser pointer is detachably connected to the installation platform through the limiting clip.

[0014] Preferably, the adjusting mechanism includes an adjusting box, a rotating disk, a pressing component and an adjusting component; the adjusting box is fixedly connected to the support frame, the rotating shaft penetrates through the adjusting box and extends into the adjusting box, the rotating disk is rotatably arranged in the adjusting box, the rotating disk is fixedly connected to the rotating shaft, the pressing component is arranged in the adjusting box, one end of the pressing component contacts the rotating disk, the adjusting component is arranged outside the adjusting box, and one end of the adjusting component extends into the adjusting box and is connected to the pressing component to adjust the pressing component.

[0015] Preferably, the pressing component includes a pressing plate and a pressing spring; the pressing plate is slidably arranged in the adjusting box, one end of the pressing spring is fixedly connected to the inner wall of the adjusting box, the other end of the pressing spring is fixedly connected to the pressing plate, and the pressing plate contacts the rotating disk under the action of the pressing spring.

[0016] Preferably, the adjusting component includes an adjusting rod and an adjusting block; one end of the adjusting rod is fixedly connected to the pressing plate, the other end of the adjusting rod penetrates through the adjusting box and extends outside the adjusting box, the adjusting block is slidably connected to the adjusting box, an adjusting hole is formed through the adjusting rod, and the adjusting block penetrates through the adjusting rod through the adjusting hole.

[0017] Preferably, the supporting mechanism includes a supporting base, a supporting cylinder, a supporting shaft and a locking bolt; the bottom end of the supporting cylinder is fixedly connected to the top of the supporting base, the bottom end of the supporting shaft extends into the supporting cylinder and is slidably connected to the supporting cylinder, the top end of the supporting shaft is fixedly connected to the mounting bracket, and the locking bolt penetrates through the supporting cylinder and is threadedly connected to the supporting cylinder.

[0018] Preferably, it further includes a counterweight block, which is arranged on the adjustment box and is fixedly connected to the adjustment box to balance the adjustment box on both sides of the rotating shaft.

[0019] On the other hand, the present invention proposes a subgrade settlement observation method, which uses the above-mentioned subgrade settlement observation device, and specifically includes the following steps:

[0020] S1. First, slide the support shaft to adjust the installation platform to the appropriate height, and then rotate the locking bolt to fix the support shaft.

[0021] S2. Place the support base inside the roadbed and adjust it to a position where the support cylinder and the support shaft are approximately perpendicular to the horizontal plane.

[0022] S3. Slide the adjustment block to drive the pressing plate away from the rotating disk through the adjustment rod, and the rotating shaft and the rotating disk can rotate freely.

[0023] S4. Under the action of the adjustment ball, the installation shaft drives the installation platform and the laser pen to be in a horizontal state.

[0024] S5. Slide the adjustment block, and under the action of the pressing spring, the pressing plate presses against the rotating disk to fix the adjustment frame and the installation shaft, and then fix the installation platform.

[0025] S6. Place the measuring ruler for measurement at a position far from the settlement foundation, turn on the laser pen so that the laser pen head emits light, irradiate the outside of the measuring ruler, observe the position where the emitted light of the laser irradiates, and record it to complete the preliminary measurement of the roadbed settlement.

[0026] S7. After a period of time, place the measuring ruler at the position of the previous measurement again, turn on the laser pen, make the laser irradiate the outside of the measuring ruler, record the data irradiated by the laser, and calculate the two data to obtain the roadbed settlement value.

[0027] Compared with the prior art, the above technical solution of the present invention has the following beneficial technical effects:

[0028] Through the cooperative setting among the support frame, the adjustment frame, the rotating shaft, the installation shaft, the adjustment ball and the installation platform, under the action of gravity, the adjustment ball automatically adjusts the installation shaft to a vertical state, and then drives the installation platform and the laser pen to be in a horizontal state. Then, the adjustment mechanism locks the installation shaft and the installation platform to realize the rapid adjustment of the position of the laser pen, which is not only convenient to operate, but also ensures the accuracy of the roadbed settlement measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a perspective view of an embodiment proposed by the present invention;

[0030] Figure 2 It is a schematic structural diagram of the installation platform in an embodiment proposed by the present invention;

[0031] Figure 3 It is a schematic structural diagram of the support frame in an embodiment proposed by the present invention;

[0032] Figure 4 It is a cross-sectional view of the adjustment frame in an embodiment proposed by the present invention;

[0033] Figure 5 Cross-sectional view of an adjustment mechanism in an embodiment proposed by the present invention;

[0034] Figure 6 Schematic structural diagram of an adjustment rod in an embodiment proposed by the present invention;

[0035] Figure 7 Schematic structural diagram of an adjustment block in an embodiment proposed by the present invention.

[0036] Reference numerals: 1, mounting frame; 2, support rod; 31, support base; 32, support cylinder; 33, support shaft; 34, locking bolt; 41, adjustment box; 42, rotating disk; 431, pressing plate; 432, pressing spring; 441, adjustment rod; 442, adjustment block; 443, adjustment hole; 5, support frame; 6, adjustment frame; 7, rotating shaft; 8, mounting shaft; 9, adjustment ball; 10, mounting table; 11, laser pointer; 12, limit clip; 13, counterweight. Detailed implementation manners

[0037] Embodiment 1, as Figure 1-7 shown, a roadbed settlement observation device proposed by the present invention includes a mounting frame 1, a support mechanism, an adjustment frame 6, a mounting shaft 8, a mounting table 10, and an adjustment mechanism;

[0038] A support rod 2 is fixedly connected to the top of the mounting frame 1, and a support frame 5 is fixedly connected to the top end of the support rod 2;

[0039] The support mechanism is arranged below the mounting frame 1, and the top end of the support mechanism is connected to the bottom of the mounting frame 1;

[0040] The adjustment frame 6 is arranged inside the support frame 5. The adjustment frame 6 is rotatably connected to the support frame 5 through a rotating shaft 7, and the adjustment frame 6 is fixedly connected to the rotating shaft 7;

[0041] The mounting shaft 8 is arranged inside the adjustment frame 6. The mounting shaft 8 is rotatably connected to the adjustment frame 6 through a rotating shaft 7. The bottom end of the mounting shaft 8 is fixedly connected to an adjustment ball 9, and the mounting shaft 8 is fixedly connected to the rotating shaft 7;

[0042] The bottom of the mounting table 10 is fixedly connected to the mounting shaft 8. A laser pointer 11 is arranged on the top of the mounting table 10. A limit clip 12 is fixedly connected to the top of the mounting table 10, and the laser pointer 11 is detachably connected to the mounting table 10 through the limit clip 12;

[0043] Two groups of adjustment mechanisms are provided. One group of adjustment mechanisms is arranged on the support frame 5 to limit the support frame 5, and the other group of adjustment mechanisms is arranged on the adjustment frame 6 to limit the mounting shaft 8.

[0044] As Figure 5-7As shown in the figure, the adjusting mechanism includes an adjusting box 41, a rotating disk 42, a pressing component, and an adjusting component; the adjusting box 41 is fixedly connected to the support frame 5, the rotating shaft 7 penetrates through the adjusting box 41 and extends into the adjusting box 41, the rotating disk 42 is rotatably arranged in the adjusting box 41, the rotating disk 42 is fixedly connected to the rotating shaft 7, the pressing component is arranged in the adjusting box 41, one end of the pressing component contacts the rotating disk 42, the adjusting component is arranged outside the adjusting box 41, and one end of the adjusting component extends into the adjusting box 41 and is connected to the pressing component for adjusting the pressing component.

[0045] As Figure 5 shown in the figure, the pressing component includes a pressing plate 431 and a pressing spring 432; the pressing plate 431 is slidably arranged in the adjusting box 41, one end of the pressing spring 432 is fixedly connected to the inner wall of the adjusting box 41, the other end of the pressing spring 432 is fixedly connected to the pressing plate 431, and the pressing plate 431 contacts the rotating disk 42 under the action of the pressing spring 432.

[0046] As Figure 5-7 shown in the figure, the adjusting component includes an adjusting rod 441 and an adjusting block 442; one end of the adjusting rod 441 is fixedly connected to the pressing plate 431, the other end of the adjusting rod 441 penetrates through the adjusting box 41 and extends outside the adjusting box 41, the adjusting block 442 is slidably connected to the adjusting box 41, the adjusting rod 441 is provided with an adjusting hole 443, and the adjusting block 442 penetrates through the adjusting rod 441 through the adjusting hole 443.

[0047] As Figure 1 shown in the figure, the support mechanism includes a support base 31, a support cylinder 32, a support shaft 33, and a locking bolt 34; the bottom end of the support cylinder 32 is fixedly connected to the top of the support base 31, the bottom end of the support shaft 33 extends into the support cylinder 32 and is slidably connected to the support cylinder 32, the top end of the support shaft 33 is fixedly connected to the mounting frame 1, and the locking bolt 34 penetrates through the support cylinder 32 and is threadedly connected to the support cylinder 32.

[0048] As Figure 3-4 shown in the figure, it further includes a counterweight 13, which is arranged on the adjusting frame 6 and is fixedly connected to the adjusting frame 6 for balancing the adjusting frame 6 on both sides of the rotating shaft 7.

[0049] In the second embodiment, a method for observing subgrade settlement proposed by the present invention uses the subgrade settlement observation device in the first embodiment, and specifically includes the following steps:

[0050] S1. First, slide the support shaft 33 to adjust the mounting table 10 to a suitable height, and then rotate the locking bolt 34 to fix the support shaft 33;

[0051] S2. Place the support base 31 inside the subgrade and adjust it to a position where the support cylinder 32 and the support shaft 33 are approximately perpendicular to the horizontal plane;

[0052] S3. The sliding adjustment block 442 drives the pressing plate 431 away from the rotating disk 42 through the adjusting rod 441, and the rotating shaft 7 and the rotating disk 42 can rotate freely.

[0053] S4. Under the action of the adjusting ball 9, the mounting shaft 8 drives the mounting table 10 and the laser pen 11 to be in a horizontal state.

[0054] S5. The sliding adjustment block 442 and the pressing plate 431 are pressed against the rotating disk 42 under the action of the pressing spring 432 to fix the adjusting frame 6 and the mounting shaft 8, and further fix the mounting table 10.

[0055] S6. Place the measuring ruler for measurement at a position far from the settlement foundation, turn on the laser pen 11 so that the laser pen head 11 emits light, irradiate the outside of the measuring ruler, observe the position where the emitted light is irradiated, and record it to complete the preliminary measurement of subgrade settlement.

[0056] S7. After a period of time, place the measuring ruler at the position of the previous measurement again, turn on the laser pen 11, make the laser irradiate the outside of the measuring ruler, record the data irradiated by the laser, and calculate the two sets of data to obtain the subgrade settlement value.

[0057] The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made without departing from the spirit of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. A subgrade settlement observation device, characterized in that, Comprising: A mounting bracket (1), at the top of which is fixedly connected with a support rod (2), and at the top end of the support rod (2) is fixedly connected with a support frame (5); A support mechanism, which is arranged below the mounting bracket (1), and the top end of the support mechanism is connected to the bottom of the mounting bracket (1); An adjustment frame (6), which is arranged within the support frame (5), and the adjustment frame (6) is rotatably connected to the support frame (5) through a rotating shaft (7), and the adjustment frame (6) is fixedly connected to the rotating shaft (7); A mounting shaft (8), which is arranged within the adjustment frame (6), and the mounting shaft (8) is rotatably connected to the adjustment frame (6) through the rotating shaft (7), at the bottom end of the mounting shaft (8) is fixedly connected with an adjustment ball (9), and the mounting shaft (8) is fixedly connected to the rotating shaft (7); A mounting table (10), the bottom of which is fixedly connected to the mounting shaft (8), and on the top of the mounting table (10) is provided with a laser pointer (11); An adjustment mechanism, of which there are two groups. One group of the adjustment mechanism is arranged on the support frame (5) for limiting the support frame (5), and the other group of the adjustment mechanism is arranged on the adjustment frame (6) for limiting the mounting shaft (8).

2. The subgrade settlement observation device according to claim 1, characterized in that, On the top of the mounting table (10) is fixedly connected with a limiting clip (12), and the laser pointer (11) is detachably connected to the mounting table (10) through the limiting clip (12).

3. The subgrade settlement observation device according to claim 1, characterized in that, The adjustment mechanism includes an adjustment box (41), a rotating disk (42), a pressing component and an adjustment component; the adjustment box (41) is fixedly connected to the support frame (5), the rotating shaft (7) penetrates through the adjustment box (41) and extends into the adjustment box (41), the rotating disk (42) is rotatably arranged within the adjustment box (41), the rotating disk (42) is fixedly connected to the rotating shaft (7), the pressing component is arranged within the adjustment box (41), one end of the pressing component contacts the rotating disk (42), the adjustment component is arranged outside the adjustment box (41), and one end of the adjustment component extends into the adjustment box (41) and is connected to the pressing component for adjusting the pressing component.

4. The subgrade settlement observation device according to claim 3, characterized in that, The pressing component includes a pressing plate (431) and a pressing spring (432); the pressing plate (431) is slidably arranged within the adjustment box (41), one end of the pressing spring (432) is fixedly connected to the inner wall of the adjustment box (41), the other end of the pressing spring (432) is fixedly connected to the pressing plate (431), and the pressing plate (431) contacts the rotating disk (42) under the action of the pressing spring (432).

5. The subgrade settlement observation device according to claim 4, characterized in that, The adjustment component includes an adjustment rod (441) and an adjustment block (442); one end of the adjustment rod (441) is fixedly connected to the pressing plate (431), the other end of the adjustment rod (441) penetrates through the adjustment box (41) and extends outside the adjustment box (41), the adjustment block (442) is slidably connected to the adjustment box (41), the adjustment rod (441) is provided with an adjustment hole (443), and the adjustment block (442) penetrates through the adjustment rod (441) through the adjustment hole (443).

6. The subgrade settlement observation device according to claim 1, characterized in that, The support mechanism includes a support base (31), a support cylinder (32), a support shaft (33) and a locking bolt (34); the bottom end of the support cylinder (32) is fixedly connected to the top of the support base (31), the bottom end of the support shaft (33) extends into the support cylinder (32) and is slidably connected to the support cylinder (32), the top end of the support shaft (33) is fixedly connected to the mounting bracket (1), and the locking bolt (34) penetrates the support cylinder (32) and is threadedly connected to the support cylinder (32).

7. A roadbed settlement observation device according to claim 1, characterized in that, It further includes a counterweight block (13), which is arranged on the adjustment frame (6), and the counterweight block (13) is fixedly connected to the adjustment frame (6) to balance the adjustment frames (6) on both sides of the rotating shaft (7).

8. A method for observing subgrade settlement, which uses the subgrade settlement observation device described in any one of claims 1-7, characterized in that, Specifically, it includes the following steps: S1. First, slide the support shaft (33) to adjust the mounting table (10) to a suitable height, and then rotate the locking bolt (34) to fix the support shaft (33); S2. Place the support base (31) inside the roadbed and adjust it to a position where the support cylinder (32) and the support shaft (33) are approximately perpendicular to the horizontal plane; S3. Slide the adjustment block (442) to drive the pressing plate (431) away from the rotating disk (42) through the adjustment rod (441), and the rotating shaft (7) and the rotating disk (42) can rotate freely; S4. The mounting shaft (8) drives the mounting table (10) and the laser pointer (11) to be in a horizontal state under the action of the adjustment ball (9); S5. Slide the adjustment block (442), and the pressing plate (431) is pressed against the rotating disk (42) under the action of the pressing spring (432) to fix the adjustment frame (6) and the mounting shaft (8), thereby fixing the mounting table (10); S6. Place the measuring ruler for measurement at a position far from the settlement foundation, turn on the laser pointer (11) so that the laser pen tip (11) emits light, irradiate the outside of the measuring ruler, observe the position where the light emitted by the laser is irradiated, and record it to complete the preliminary measurement of the roadbed settlement; S7. After a period of time, place the measuring ruler at the position of the previous measurement again, turn on the laser pointer (11), make the laser irradiate the outside of the measuring ruler, record the data irradiated by the laser, and calculate the two sets of data to obtain the roadbed settlement value.

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