Scraping device for soil engineering compaction test

Abstract

The utility model relates to the technical field of soil engineering compaction tests, and discloses a slicking device for a soil engineering compaction test, the slicking device comprises a bottom plate and a top plate, a slicking assembly is arranged below the top plate, a fixing assembly is arranged above the bottom plate, the slicking assembly comprises a fixing groove formed in the bottom of the top plate, and the fixing groove is formed in the bottom of the top plate. A horizontal servo motor is fixedly installed on the right side of the top plate, and a fixing screw rod with one end penetrating and extending into the fixing groove is fixedly installed on an output shaft of the horizontal servo motor. According to the slicking device for the soil engineering compaction test, automatic slicking of the top of a compaction sample can be achieved by arranging the slicking assembly, meanwhile, the vertical height of a soil trimming knife can be adjusted through the slicking assembly, it is ensured that the slicking device can slick the compaction samples with different heights, and the compaction samples with different heights can be stricken through the slicking assembly, so that the working efficiency is improved. The slicking efficiency is high, and meanwhile, the smoothness of the top of the compacted sample after being slicked is also ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of geotechnical compaction test, in particular to a scraping device used for geotechnical compaction test. Background Art

[0002] The geotechnical compaction test, also known as the geotechnical pile test, is a test method used to evaluate the quality of soil and foundation engineering. This test is often used to evaluate the bearing capacity of soil, especially in foundation engineering, such as the design and construction of buildings, bridges, roads and other infrastructure. In the compaction test, after the compaction is completed, the compacted sample needs to be scraped flat with a scraper.

[0003] According to a scraping tool for geotechnical compaction test proposed by Chinese patent announcement No. CN215953181U, the compaction sample is clamped by adopting structures such as a fixed plate, a fixed seat, and a connecting rod to avoid the compaction sample from moving during scraping. The bracket is used to support the soil repair knife to ensure that the soil repair knife is at a certain height during scraping. The groove can guide the soil repair knife, and the soil repair knife is driven to move by pushing the round rod to perform the scraping work. With the above structure, the efficiency of scraping is improved, and the length of the bracket and the distance between the two brackets are both greater than the diameter of the compaction sample. The height of the bracket can be adjusted. In order to adjust according to the height of the compaction sample, the length of the soil trimming knife should be greater than the diameter of the compaction sample. When the application document is in use, after the compaction sample is fixed, it is necessary to manually push the round rod to drive the soil trimming knife to move, and the movement of the round rod and the soil trimming knife is only guided by the groove and the slide, so that when the soil trimming knife moves, if it encounters harder soil or stone, the soil trimming knife will be lifted up, and the flatness of the top of the compaction sample cannot be guaranteed. At the same time, manual operation is more troublesome, which affects the scraping efficiency and quality of the compaction sample. Therefore, a scraping device for geotechnical compaction test is proposed to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a scraping device for geotechnical compaction test, which has the advantages of being able to automatically scrape and level the compacted sample, thereby solving the problem that the existing scraping tools are cumbersome to operate, affecting the scraping efficiency and quality of the compacted sample.

[0005] In summary, the utility model provides the following technical solutions: a scraping device for geotechnical compaction test, comprising a bottom plate and a top plate, a scraping assembly is arranged below the top plate, and a fixing assembly is arranged above the bottom plate.

[0006] The scraping assembly includes a fixing groove opened at the bottom of the top plate, a horizontal servo motor is fixedly installed on the right side of the top plate, the output shaft of the horizontal servo motor is fixedly installed with a fixing screw with one end passing through and extending into the fixing groove, the outer side of the fixing screw is threadedly connected with a movable plate, the left and right sides of the movable plate are provided with sliding assemblies for limiting the movable plate, a fixing box is fixedly installed at the bottom of the movable plate, an adjustment assembly is arranged inside the fixing box, and a driving assembly is arranged inside the fixing box.

[0007] The utility model adopts the technical solution and starts the horizontal servo motor to make the fixed box move to the left or right, and the top of the compacted sample can be automatically scraped and leveled through the movement of the fixed box.

[0008] Furthermore, the adjustment assembly includes a threaded sleeve rotatably connected to the top wall of the fixed box and penetrating and extending to the bottom thereof, the interiors of the two threaded sleeves are both threadedly connected with movable screws, and the bottoms of the two movable screws are fixedly installed with soil trimming knives.

[0009] The beneficial effect of adopting the above further solution is that the soil trimming knife can be moved upward or downward by rotating the two threaded sleeves, thereby adjusting the vertical height of the soil trimming knife.

[0010] Furthermore, the driving assembly includes a driving servo motor fixedly mounted on the bottom wall of the fixed box, a rotating rod is fixedly mounted on the output shaft of the driving servo motor, and a transmission assembly is fixedly mounted on the outer side of the rotating rod.

[0011] The beneficial effect of adopting the above further solution is that when the driving servo motor is started, the two threaded sleeves can be rotated through the transmission of the rotating rod and the transmission assembly.

[0012] Furthermore, the fixing assembly includes two vertical plates fixedly mounted on the top of the base plate, cylinders are fixedly mounted on opposite sides of the two vertical plates, positioning plates are fixedly mounted on the piston rods of the two cylinders, and T-shaped assemblies are provided at the bottom of the two positioning plates to guide them.

[0013] The beneficial effect of adopting the above further scheme is that by starting the two cylinders, the two positioning plates can be moved to the opposite side, and when the opposite sides of the two positioning plates are respectively abutted against the left and right sides of the compaction sample, the compaction sample can be fixed.

[0014] Furthermore, support columns are fixedly installed at the four top corners of the bottom plate, the tops of the four support columns are fixedly connected to the bottom of the top plate, bases are fixedly installed at the four bottom corners of the bottom plate, and a controller is arranged on the front of the bottom plate.

[0015] The beneficial effect of adopting the above further solution is that the top plate can be stably supported and fixed by the four support columns, and the bottom plate can be stably supported by the four bases.

[0016] Furthermore, the sliding assembly includes sliding blocks fixedly mounted on the front and back sides of the movable plate, and the front and rear side walls of the inner cavity of the fixed groove are both provided with sliding grooves slidably connected to the sliding blocks.

[0017] The beneficial effect of adopting the above further solution is that the movable plate can be limited and guided by the sliding block and the sliding groove, thereby ensuring that the movable plate moves more stably and preventing the movable plate from rotating.

[0018] Furthermore, the transmission assembly includes a driving gear fixedly mounted on the outside of the rotating rod, and driven gears meshing with the driving gear are fixedly mounted on the outsides of the two threaded sleeves.

[0019] The beneficial effect of adopting the above further solution is that the driving servo motor can drive the two threaded sleeves to rotate through the driving gear and the driven gear.

[0020] Furthermore, the T-shaped assembly includes a T-shaped guide block fixedly mounted on the bottom of the two positioning plates, and the top of the bottom plate is provided with a T-shaped guide groove slidably connected to the T-shaped guide block.

[0021] The beneficial effect of adopting the above further solution is that the positioning plate can be guided and limited by the T-shaped guide block and the T-shaped guide groove, ensuring that the positioning plate moves more stably.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] The scraping device used for geotechnical compaction test can realize automatic scraping and leveling of the top of the compaction sample by arranging the scraping and leveling component. At the same time, the vertical height of the soil trimmer can be adjusted by the scraping and leveling component to ensure that the scraping device can scrape and level the compaction samples of different heights. The scraping and leveling by the scraping and leveling component has a high scraping efficiency and also ensures the flatness of the top of the compaction sample after scraping and leveling. The compaction sample can be fixed by arranging the fixing component to prevent the compaction sample from being displaced during scraping and leveling. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 It is a schematic diagram of the left side structure of the scraping component in the utility model;

[0026] Figure 3 For this utility model Figure 1Schematic diagram of the enlarged structure of part A in the middle.

[0027] Description of reference numerals:

[0028] 1. Bottom plate; 2. Top plate; 3. Scraping assembly; 301. Fixed groove; 302. Horizontal servo motor; 303. Fixed screw; 304. Movable plate; 305. Sliding assembly; 306. Fixed box; 307. Adjustment assembly; 3071. Threaded sleeve; 3072. Movable screw; 3073. Trimmer; 308. Driving assembly; 3081. Driving servo motor; 3082. Rotating rod; 3083. Transmission assembly; 4. Fixed assembly; 401. Vertical plate; 402. Cylinder; 403. Positioning plate; 404. T-shaped assembly; 5. Support column; 6. Base. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-3 A scraping device for geotechnical compaction test in this embodiment includes a bottom plate 1 and a top plate 2, a scraping component 3 is arranged below the top plate 2, and a fixing component 4 is arranged above the bottom plate 1.

[0031] like Figure 1 , Figure 2 and Figure 3 As shown, in this embodiment, the scraping component 3 includes a fixed groove 301 opened at the bottom of the top plate 2, and a horizontal servo motor 302 is fixedly installed on the right side of the top plate 2. The output shaft of the horizontal servo motor 302 is fixedly installed with a fixed screw 303 with one end passing through and extending into the fixed groove 301. The outer side of the fixed screw 303 is threadedly connected to a movable plate 304, and sliding components 305 for limiting the movable plate 304 are provided on both sides of the left and right sides.

[0032] The left side of the fixed screw 303 is rotatably connected to the left side wall of the inner cavity of the fixed groove 301 to ensure the stability of the rotation of the fixed screw 303. When the horizontal servo motor 302 is started, the output shaft of the horizontal servo motor 302 will drive the fixed screw 303 to rotate.

[0033] In addition, the sliding assembly 305 includes sliding blocks fixedly installed on the front and back sides of the movable plate 304. The front and rear side walls of the inner cavity of the fixed groove 301 are provided with sliding grooves slidably connected to the sliding blocks. The movable plate 304 can be limited and guided by the sliding blocks and the sliding grooves to ensure that the movable plate 304 moves more stably while preventing the movable plate 304 from rotating. When the fixed screw 303 rotates, under the action of the thread thrust, the fixed screw 303 will drive the movable plate 304 to move to the right.

[0034] like Figure 1 , Figure 2 and Figure 3 As shown, in this embodiment, a fixed box 306 is fixedly installed at the bottom of the movable plate 304 , an adjustment component 307 is arranged inside the fixed box 306 , and a driving component 308 is arranged inside the fixed box 306 .

[0035] It should be noted that the adjustment assembly 307 includes a threaded sleeve 3071 that is rotatably connected to the inner top wall of the fixed box 306 and penetrates and extends to its bottom. The interiors of the two threaded sleeves 3071 are both threadedly connected with movable screws 3072, and the bottoms of the two movable screws 3072 are fixedly installed with soil trimming knives 3073.

[0036] Among them, because the bottom of the movable screw rod 3072 is fixedly connected to the top of the soil trimming knife 3073, the two movable screw rods 3072 will not rotate. When the two threaded sleeves 3071 rotate, under the action of the thread thrust, the two threaded sleeves 3071 will respectively drive the two movable screw rods 3072 to move upward or downward, and the two movable screw rods 3072 will drive the soil trimming knife 3073 to move upward or downward, thereby adjusting the vertical height of the soil trimming knife 3073.

[0037] In addition, the driving assembly 308 includes a driving servo motor 3081 fixedly mounted on the inner bottom wall of the fixed box 306 , a rotating rod 3082 is fixedly mounted on the output shaft of the driving servo motor 3081 , and a transmission assembly 3083 is fixedly mounted on the outer side of the rotating rod 3082 .

[0038] Among them, the transmission assembly 3083 includes a driving gear fixedly installed on the outside of the rotating rod 3082, and the outsides of the two threaded sleeves 3071 are fixedly installed with driven gears meshing with the driving gear. When the driving servo motor 3081 is started, the output shaft of the driving servo motor 3081 will drive the rotating rod 3082 to rotate, and the rotating rod 3082 will drive the two driving gears to rotate. The two driving gears will respectively drive two driven gears meshing therewith to rotate, and the two driven gears will respectively drive the two threaded sleeves 3071 to rotate. Through the driving gear and the driven gear, the driving servo motor 3081 can drive the two threaded sleeves 3071 to rotate.

[0039] In addition, the two threaded sleeves 3071 are respectively located on the front and back sides of the driving servo motor 3081 and are symmetrically distributed, ensuring that the rotation amplitudes of the two threaded sleeves 3071 are consistent and the rotation directions are the same.

[0040] like Figure 1 As shown, in this embodiment, the fixing assembly 4 includes two vertical plates 401 fixedly mounted on the top of the base plate 1, cylinders 402 are fixedly mounted on opposite sides of the two vertical plates 401, positioning plates 403 are fixedly mounted on the piston rods of the two cylinders 402, and T-shaped assemblies 404 for guiding the two positioning plates 403 are provided at the bottom.

[0041] Among them, the T-shaped component 404 includes a T-shaped guide block fixedly installed at the bottom of the two positioning plates 403, and a T-shaped guide groove is provided on the top of the base plate 1 for sliding connection with the T-shaped guide block. The positioning plate 403 can be guided and limited by the T-shaped guide block and the T-shaped guide groove to ensure that the positioning plate 403 moves more stably.

[0042] It should be noted that when the two cylinders 402 are started, the piston rods of the two cylinders 402 respectively drive the two positioning plates 403 to move to the opposite side. When leveling the compacted sample, the compacted sample needs to be placed on the top of the bottom plate 1 and between the opposite sides of the two positioning plates 403. At the same time, it is necessary to ensure that the initial position of the leveling component 3 is located on the left or right side of the compacted sample. When the opposite sides of the two positioning plates 403 are respectively in contact with the left and right sides of the compacted sample, the compacted sample can be fixed, and then the top of the compacted sample can be leveled by the leveling component 3.

[0043] like Figure 1 As shown, in this embodiment, support columns 5 are fixedly installed at the four top corners of the bottom plate 1, the tops of the four support columns 5 are fixedly connected to the bottom of the top plate 2, bases 6 are fixedly installed at the four bottom corners of the bottom plate 1, and a controller is arranged on the front of the bottom plate 1.

[0044] Among them, the top plate 2 can be stably supported and fixed by four support columns 5, and the bottom plate 1 can be stably supported by four bases 6. The horizontal servo motor 302, the drive servo motor 3081 and the cylinder 402 are all electrically connected to the controller, and the horizontal servo motor 302, the drive servo motor 3081 and the cylinder 402 can be controlled by the controller.

[0045] The working principle of the above embodiment is:

[0046] When the scraping device for geotechnical compaction test is used, the compaction sample is first placed on the top of the base plate 1, and then the two cylinders 402 are started. The piston rods of the two cylinders 402 respectively drive the two positioning plates 403 to move to the opposite side until the opposite sides of the two positioning plates 403 respectively abut against the left and right sides of the compaction sample, so that the compaction sample can be fixed. Then the driving servo motor 3081 is started, and the output shaft of the driving servo motor 3081 drives the rotating rod 3082 to rotate, and the rotating rod 3082 drives the two driving gears to rotate, and the two driving gears respectively drive the two driven gears meshing therewith to rotate, and the two driven gears respectively drive the two threaded sleeves 3071 to rotate. Under the action of thread thrust, the two threaded sleeves 3071 will respectively drive the two movable screws 3072 to move downward, and the two movable screws 3072 will drive the soil trimming knife 3073 to move downward until the bottom of the soil trimming knife 3073 is in the same horizontal position as the top of the compacted sample, and finally the horizontal servo motor 302 is started, and the output shaft of the horizontal servo motor 302 will drive the fixed screw 303 to rotate, and under the action of thread thrust, the fixed screw 303 will drive the movable plate 304 to move to the right, the movable plate 304 will drive the fixed box 306 to move to the right, and the fixed box 306 will drive the soil trimming knife 3073 below it to move to the right, thereby scraping the top of the compacted sample flat through the movement of the soil trimming knife 3073.

Claims

1. A scraping device for geotechnical compaction test, comprising a bottom plate (1) and a top plate (2), characterized in that: A scraping assembly (3) is provided below the top plate (2), and a fixing assembly (4) is provided above the bottom plate (1); The scraping assembly (3) comprises a fixing groove (301) opened at the bottom of the top plate (2); a horizontal servo motor (302) is fixedly mounted on the right side of the top plate (2); a fixing screw (303) having one end penetrating through and extending into the fixing groove (301) is fixedly mounted on the output shaft of the horizontal servo motor (302); a movable plate (304) is threadedly connected to the outer side of the fixing screw (303); sliding assemblies (305) for limiting the movable plate (304) are arranged on both the left and right sides of the movable plate (304); a fixing box (306) is fixedly mounted on the bottom of the movable plate (304); an adjusting assembly (307) is arranged inside the fixing box (306); and a driving assembly (308) is arranged inside the fixing box (306).

2. A scraping device for geotechnical compaction test according to claim 1, characterized in that: The adjustment assembly (307) comprises a threaded sleeve (3071) rotatably connected to the inner top wall of the fixed box (306) and penetrating and extending to the bottom thereof; the interiors of the two threaded sleeves (3071) are both threadedly connected with movable screw rods (3072); and soil trimming knives (3073) are fixedly installed at the bottoms of the two movable screw rods (3072).

3. A scraping device for geotechnical compaction test according to claim 2, characterized in that: The driving assembly (308) comprises a driving servo motor (3081) fixedly mounted on the inner bottom wall of the fixed box (306); a rotating rod (3082) is fixedly mounted on the output shaft of the driving servo motor (3081); and a transmission assembly (3083) is fixedly mounted on the outer side of the rotating rod (3082).

4. A scraping device for geotechnical compaction test according to claim 1, characterized in that: The fixing assembly (4) comprises two vertical plates (401) fixedly mounted on the top of the base plate (1), cylinders (402) being fixedly mounted on opposite sides of the two vertical plates (401), positioning plates (403) being fixedly mounted on the piston rods of the two cylinders (402), and T-shaped assemblies (404) for guiding the positioning plates (403) being provided at the bottoms of the two positioning plates (403).

5. A scraping device for geotechnical compaction test according to claim 1, characterized in that: Support columns (5) are fixedly mounted at the four corners of the top of the bottom plate (1); the tops of the four support columns (5) are fixedly connected to the bottom of the top plate (2); bases (6) are fixedly mounted at the four corners of the bottom of the bottom plate (1); and a controller is arranged on the front of the bottom plate (1).

6. A scraping device for geotechnical compaction test according to claim 1, characterized in that: The sliding assembly (305) comprises sliding blocks fixedly mounted on the front and back sides of the movable plate (304), and the front and rear side walls of the inner cavity of the fixed groove (301) are both provided with sliding grooves slidably connected to the sliding blocks.

7. A scraping device for geotechnical compaction test according to claim 3, characterized in that: The transmission assembly (3083) comprises a driving gear fixedly mounted on the outside of the rotating rod (3082), and driven gears meshing with the driving gear are fixedly mounted on the outsides of the two threaded sleeves (3071).

8. A scraping device for geotechnical compaction test according to claim 4, characterized in that: The T-shaped assembly (404) comprises a T-shaped guide block fixedly mounted on the bottom of the two positioning plates (403), and a T-shaped guide groove slidably connected to the T-shaped guide block is provided on the top of the bottom plate (1).

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