Device for preventing angle deviation in soil slope compactness test

Abstract

The utility model relates to the technical field of soil sampling auxiliary devices, and discloses a device for preventing angle deviation in a soil slope compactness test, which comprises a base plate, support plates are arranged on two sides of the lower surface of the base plate, a soil sampling cavity is arranged on the surface of the base plate, and a vertical soil sampling component is arranged on the upper surface of the base plate corresponding to the soil sampling cavity; the vertical soil sampling assembly comprises two side plates symmetrically and fixedly installed on the surface of the base plate, and a shaft rod is rotationally connected between the two side plates. According to the utility model, the base plate is adaptively arranged on the surface of a soil slope, the vertical marking assembly and the adjusting assembly are arranged, the balancing weight drives the vertical rod to be vertical to the horizontal plane under the action of gravity, the knob is rotated, the shaft rod is driven to rotate based on meshing of the worm and the worm wheel, and the pointer is adjusted to coincide with the vertical rod; at the moment, it is ensured that the threaded column and the cutting ring soil sampler are perpendicular to the horizontal plane, the cutting ring soil sampler is used for sampling soil at the moment, a soil layer sample with the specified depth can be accurately sampled by referring to the scale mark line, and the accuracy of the compaction degree test is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of soil-taking auxiliary devices, and more specifically to a device for preventing angle deviation in a soil slope compaction test. Background Art

[0002] During the earthwork construction process, compaction testing is required to ensure the compaction quality of backfill soil.

[0003] When testing on a horizontal surface, the general operation method is to drive a soil sampler with a ring knife into the soil at a specified depth perpendicular to the horizontal plane to take out soil samples, and then test the compaction of the soil samples. However, when testing on the dam body and channel slope construction surface, the soil sampler is offset from the construction surface at an angle when it is laid out, and it is impossible to accurately take soil samples at a specified depth, so it cannot effectively represent the compaction quality, affecting the accuracy of the test data. This patent designs a device to prevent angle offset to solve the problems existing in the prior art. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a device for preventing angle deviation in a soil slope compaction test, so as to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical solution: a device for preventing angle deviation in a soil slope compaction test, comprising a base plate, support plates are arranged on both sides of the lower surface of the base plate, a soil sampling cavity is opened on the surface of the base plate, and a vertical soil sampling assembly is arranged on the upper surface of the base plate corresponding to the soil sampling cavity;

[0006] The vertical soil taking assembly includes two side plates symmetrically fixedly mounted on the surface of a base plate, an axle rod rotatably connected between the two side plates, a connecting screw sleeve welded to the middle section of the axle rod, a threaded column threadedly connected to the surface of the connecting screw sleeve, a ring knife soil taking device detachably mounted on the bottom end of the threaded column, a drive box is arranged on the surface of one of the side plates, an adjustment assembly is arranged on the surface of the drive box corresponding to the axle rod, and a vertical marking assembly is arranged on the end of the axle rod.

[0007] Furthermore, the surface of the support plate is provided with positioning plugs for positioning with the ground; by providing the positioning plugs, the support plate can be fixed on the surface of the soil slope.

[0008] Furthermore, the support plate is movably connected to the base plate, and the surface of the base plate is threadedly connected with a height adjustment screw, and the threaded end of the height adjustment screw is rotatably connected to the surface of the support plate; by setting the height adjustment screw and rotating the height adjustment screw, the distance between the support plate and the base plate can be adjusted, so that the horizontality of the base plate can be roughly adjusted according to the slope of the soil slope, which is convenient for subsequent soil excavation operations.

[0009] Furthermore, a limiting slide bar is fixedly installed on the surface of the support plate, and the limiting slide bar is slidably connected to the base plate; by setting the limiting slide bar, the moving path of the support plate can be limited to prevent the support plate from swinging.

[0010] Furthermore, the adjustment component includes a knob rotatably connected to the surface of the drive box, the knob extends to the interior of the drive box and is fixedly installed with a worm, a worm wheel is fixedly installed on the surface of the shaft rod inside the drive box, the worm and the worm wheel are meshed, the vertical marking component includes a pointer welded to the end face of the shaft rod, and a connecting ring is rotatably connected to the surface of the shaft rod, a vertical rod is fixedly installed on the surface of the connecting ring, a counterweight is welded to the bottom end of the vertical rod, when the pointer coincides with the vertical rod, the threaded column and the ring knife soil extractor are both perpendicular to the horizontal plane; the base plate is arranged on the slope surface according to the inclined surface of the soil slope, the counterweight drives the vertical rod to be perpendicular to the horizontal plane under the action of gravity, and the knob is turned to drive the shaft rod to rotate based on the meshing of the worm and the worm wheel, so that the pointer is adjusted to coincide with the vertical rod, and at this time, the threaded column and the ring knife soil extractor are ensured to be perpendicular to the horizontal plane.

[0011] Furthermore, a sleeve is welded to the top of the ring knife soil sampler, a rectangular groove is provided inside the sleeve, an insert block is welded to the bottom end of the threaded column, the insert block is inserted into the rectangular groove of the sleeve, and a locking screw is threadedly connected to the side wall of the sleeve, a positioning hole is provided on the surface of the insert block, and the locking screw is inserted into the positioning hole; by arranging the ring knife soil sampler and the threaded column to be detachably installed, after using the ring knife soil sampler to take soil, the insert block can be separated from the sleeve by rotating the locking screw while keeping the base plate stationary, and then the ring knife soil sampler can be directly removed, which is convenient for taking out the soil sample.

[0012] Furthermore, the surface of the threaded column is provided with scale marking lines, and the insertion depth of the ring cutter soil extractor can be observed by referring to the scale marking lines.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model keeps the axis of the support plate perpendicular to the horizontal plane, arranges the base plate on the surface of the slope in accordance with the inclination direction of the slope and positions it, and through the vertical marking assembly and the adjustment assembly, the counterweight block drives the vertical rod to be perpendicular to the horizontal plane under the action of gravity, and the knob is turned to drive the shaft rod to rotate based on the engagement of the worm and the worm gear, and the pointer is adjusted to coincide with the vertical rod. At this time, it is ensured that the threaded column and the ring knife soil sampler are perpendicular to the horizontal plane. At this time, the ring knife soil sampler is used to take soil, and by referring to the scale marking line, the soil layer sample of the specified depth can be accurately taken to ensure the accuracy of the compaction test.

[0015] 2. The utility model provides a height-adjusting screw, and by rotating the height-adjusting screw, the distance between the support plate and the base plate can be adjusted, so that the horizontality of the base plate can be roughly adjusted according to the slope of the soil slope, which is convenient for subsequent soil taking operations; by providing a limit slide bar, the moving path of the support plate can be restricted to prevent the support plate from swinging; by providing a detachable installation between the ring knife soil taker and the threaded column, after taking soil with the ring knife soil taker, while keeping the base plate stationary, the insert block can be separated from the sleeve by rotating the locking screw, and then the ring knife soil taker can be directly removed, which is convenient for taking out the soil sample. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of the utility model from perspective 1;

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from the second viewing angle;

[0018] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0019] Figure 4 This is a schematic diagram of the cutaway structure of the sleeve of the utility model;

[0020] Figure 5 This is a schematic diagram of the cutaway structure of the drive box of the utility model.

[0021] The accompanying drawings are marked as follows: 1. base plate; 2. support plate; 3. side plate; 4. shaft; 5. connecting screw sleeve; 6. threaded column; 7. ring knife soil picker; 8. drive box; 9. positioning plug; 10. height adjustment screw; 11. limit slide bar; 12. knob; 13. worm; 14. worm gear; 15. sleeve; 16. plug block; 17. locking screw; 18. positioning hole; 19. pointer; 20. connecting ring; 21. vertical rod; 22. counterweight block; 23. scale marking line. DETAILED DESCRIPTION

[0022] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The device for preventing angular deviation in a slope compaction test involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0023] Reference Figure 1-5The utility model provides a device for preventing angle deviation in a soil slope compaction test, comprising a base plate 1, and support plates 2 are arranged on both sides of the lower surface of the base plate 1.

[0024] A positioning plug 9 for positioning with the ground is inserted on the surface of the support plate 2 .

[0025] A soil sampling cavity is provided on the surface of the base plate 1 , and a vertical soil sampling assembly is provided on the upper surface of the base plate 1 corresponding to the soil sampling cavity.

[0026] The vertical soil taking assembly includes two side plates 3 symmetrically fixedly mounted on the surface of the base plate 1, a shaft 4 is rotatably connected between the two side plates 3, a connecting screw sleeve 5 is welded to the middle section of the shaft 4, a threaded column 6 is threadedly connected to the surface of the connecting screw sleeve 5, a scale marking line 23 is provided on the surface of the threaded column 6, a ring knife soil taking device 7 is detachably mounted on the bottom end of the threaded column 6, a driving box 8 is provided on the surface of one of the side plates 3, an adjustment assembly is provided on the surface of the driving box 8 corresponding to the shaft 4, and a vertical marking assembly is provided at the end of the shaft 4.

[0027] The adjustment assembly includes a knob 12 rotatably connected to the surface of the drive box 8. The knob 12 extends into the interior of the drive box 8 and is fixedly mounted with a worm 13. The shaft 4 is fixedly mounted with a worm wheel 14 on the surface inside the drive box 8. The worm 13 is meshed with the worm wheel 14.

[0028] The vertical marking assembly includes a pointer 19 welded to the end face of the shaft rod 4, and a connecting ring 20 is rotatably connected to the surface of the shaft rod 4, a vertical rod 21 is fixedly installed on the surface of the connecting ring 20, and a counterweight block 22 is welded to the bottom end of the vertical rod 21. When the pointer 19 coincides with the vertical rod 21, the threaded column 6 and the ring knife soil picker 7 are both perpendicular to the horizontal plane.

[0029] The utility model keeps the axis of the support plate 2 perpendicular to the horizontal plane, arranges the base plate 1 on the surface of the slope in accordance with the inclination direction of the slope, and uses the positioning plug 9 for positioning. Through the vertical marking component and the adjustment component, the counterweight 22 drives the vertical rod 21 perpendicular to the horizontal plane under the action of gravity, and rotates the knob 12. The worm 13 and the worm wheel 14 are engaged to drive the shaft 4 to rotate, and then drive the pointer 19 to swing. The pointer 19 is adjusted to coincide with the vertical rod 21. At this time, it is ensured that the threaded column 6 and the ring knife soil sampler 7 are perpendicular to the horizontal plane. At this time, the ring knife soil sampler 7 is used to take soil, and the scale marking line 23 is referred to, so that the soil layer sample of the specified depth can be accurately taken, and the soil taking angle is prevented from being offset, thereby ensuring the accuracy of the subsequent compaction test.

[0030] The support plate 2 is movably connected to the base plate 1 . A height-adjusting screw 10 is threadedly connected to the surface of the base plate 1 . The threaded end of the height-adjusting screw 10 is rotatably connected to the surface of the support plate 2 .

[0031] By setting a height adjustment screw 10 and rotating the height adjustment screw 10, the distance between the support plate 2 and the base plate 1 can be adjusted, so that the horizontality of the base plate 1 can be roughly adjusted according to the slope of the soil slope, which is convenient for subsequent soil excavation operations.

[0032] A limiting sliding rod 11 is fixedly mounted on the surface of the supporting plate 2 , and the limiting sliding rod 11 is slidably connected to the base plate 1 .

[0033] By providing the limiting sliding rod 11 , the moving path of the support plate 2 can be limited to prevent the support plate 2 from swinging.

[0034] A sleeve 15 is welded to the top of the ring knife soil extractor 7, and a rectangular groove is opened inside the sleeve 15. An insert block 16 is welded to the bottom end of the threaded column 6. The insert block 16 is inserted into the rectangular groove of the sleeve 15, and a locking screw 17 is threadedly connected to the side wall of the sleeve 15. A positioning hole 18 is opened on the surface of the insert block 16, and the locking screw 17 is inserted into the positioning hole 18.

[0035] By setting the ring knife soil taker 7 and the threaded column 6 to be detachably installed, after using the ring knife soil taker 7 to take soil, under the premise of keeping the base plate 1 motionless, the ring knife soil taker 7 is first returned to the ground position, and then the insert block 16 and the sleeve 15 can be separated by rotating the locking screw 17, and then the ring knife soil taker 7 can be directly removed, so that the soil sample can be taken out conveniently.

[0036] Finally, it should be noted that the drawings of the embodiments disclosed in the present invention only involve structures related to the embodiments disclosed in the present invention, and other structures may refer to the usual design. In the absence of conflict, the same embodiment and different embodiments of the present invention may be combined with each other.

Claims

1. A device for preventing angle deviation in a soil slope compaction test, comprising a base plate (1), characterized in that: Support plates (2) are provided on both sides of the lower surface of the base plate (1); a soil sampling cavity is provided on the surface of the base plate (1); and a vertical soil sampling assembly is provided on the upper surface of the base plate (1) corresponding to the soil sampling cavity; The vertical soil taking assembly comprises two side plates (3) symmetrically fixedly mounted on the surface of a base plate (1); a shaft (4) is rotatably connected between the two side plates (3); a connecting screw sleeve (5) is welded to the middle section of the shaft rod (4); a threaded column (6) is threadedly connected to the surface of the connecting screw sleeve (5); a ring knife soil taking device (7) is detachably mounted on the bottom end of the threaded column (6); a driving box (8) is arranged on the surface of one of the side plates (3); an adjusting assembly is arranged on the surface of the driving box (8) corresponding to the shaft rod (4); and a vertical marking assembly is arranged at the end of the shaft rod (4).

2. A device for preventing angle deviation in a soil slope compaction test according to claim 1, characterized in that: A positioning plug (9) for positioning with the ground is inserted into the surface of the support plate (2).

3. The device for preventing angle deviation in soil slope compaction test according to claim 1, characterized in that: The support plate (2) is movably connected to the base plate (1); a height adjustment screw rod (10) is threadedly connected to the surface of the base plate (1); and a threaded end of the height adjustment screw rod (10) is rotatably connected to the surface of the support plate (2).

4. A device for preventing angle deviation in soil slope compaction test according to claim 3, characterized in that: A limiting slide bar (11) is fixedly mounted on the surface of the support plate (2), and the limiting slide bar (11) is slidably connected to the base plate (1).

5. The device for preventing angle deviation in soil slope compaction test according to claim 1, characterized in that: The adjustment assembly comprises a knob (12) rotatably connected to the surface of the drive box (8), the knob (12) extending into the interior of the drive box (8) and fixedly mounted with a worm (13), a shaft (4) fixedly mounted with a worm wheel (14) on the surface of the interior of the drive box (8), and the worm (13) meshing with the worm wheel (14).

6. The device for preventing angle deviation in soil slope compaction test according to claim 1, characterized in that: A sleeve (15) is welded to the top of the ring knife soil extractor (7), a rectangular groove is provided inside the sleeve (15), an insert block (16) is welded to the bottom end of the threaded column (6), the insert block (16) is inserted into the rectangular groove of the sleeve (15), and a locking screw (17) is threadedly connected to the side wall of the sleeve (15), a positioning hole (18) is provided on the surface of the insert block (16), and the locking screw (17) is inserted into the positioning hole (18).

7. The device for preventing angle deviation in soil slope compaction test according to claim 1, characterized in that: The vertical marking assembly comprises a pointer (19) welded to the end face of the shaft (4), and a connecting ring (20) is rotatably connected to the surface of the shaft (4), a vertical rod (21) is fixedly mounted on the surface of the connecting ring (20), and a counterweight (22) is welded to the bottom end of the vertical rod (21). When the pointer (19) and the vertical rod (21) coincide, the threaded column (6) and the ring knife soil extractor (7) are both perpendicular to the horizontal plane.

8. The device for preventing angle deviation in soil slope compaction test according to claim 1, characterized in that: The surface of the threaded column (6) is provided with scale marking lines (23).

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