Pit digging and soil taking device for roadbed compaction degree

Abstract

The utility model relates to the technical field of engineering construction, in particular to a roadbed compactness pit digging and soil sampling device which comprises a frame for providing support, a cover plate is arranged at each of the upper end and the lower end of the frame, and a through hole is formed in the middle of each cover plate; the guide rails are arranged in the frame, and the two ends of the guide rails are connected with the upper and lower cover plates; the frame hopper is arranged at the bottom of the frame and encloses the bottom of the frame, and the frame hopper is matched with the lower cover plate to form a cavity used for containing roadbed soil taken out by the earth cutting device; the earth cutting device is installed on a guide rail flat plate, and the guide rail flat plate is connected with the guide rails in a matched mode. The roadbed deep pit drilling machine has the advantages that roadbed deep pit drilling is conducted in a mechanical rotary excavating drilling mode, the drilling efficiency is high, and operation is convenient and fast; and after drilling is finished, reverse soil taking can be carried out, the soil taking mode is convenient, the labor intensity of manual soil taking is effectively reduced, and the construction efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering construction, in particular to a roadbed compaction pit digging and soil taking device. Background Art

[0002] As an important part of the road, the compaction of the roadbed is one of the main control items of the project acceptance. The compaction test results will directly affect whether the next process of the project can be carried out and whether the entire project can pass the acceptance smoothly. It plays an important role in road construction. The compaction test methods of roadbed projects can be specifically divided into sand filling method, water filling method (water bag method), ring knife method, nuclear instrument method, core drilling method, etc., and the most commonly used method is pit digging and sand filling method.

[0003] According to the "Highway Roadbed and Pavement Field Test Regulations" (JTG3450-2019), the excavation depth of the test pit is determined by different filler particle sizes, and the required excavation depth ranges from 15cm to 40cm. During on-site operations, the tools used for digging pits are often chisels, hammers, shovels, etc. The workload of compaction testing during the peak time period of filling is very large, and traditional testing methods require a lot of manual input and are costly. Utility Model Content

[0004] The utility model aims to overcome the deficiencies of the prior art and provide a roadbed compaction digging and soil taking device to improve the efficiency of roadbed soil taking and digging, reduce the labor intensity of manual work, and simplify the roadbed compaction detection operation process.

[0005] In order to achieve the above-mentioned purpose, a roadbed compaction digging and soil-taking device is designed, including a frame for providing support, a cover plate is respectively provided at the upper and lower ends of the frame, and a through hole is opened in the middle of the cover plate; a plurality of guide rails are arranged in the frame, and the two ends of the guide rails are respectively connected to the upper and lower cover plates; a frame bucket is arranged at the bottom of the frame to enclose the bottom of the frame, and the frame bucket cooperates with the lower cover plate to form a cavity for containing the roadbed soil material taken out by the digging device; and an digging device, wherein the digging device is installed on a guide rail plate, and the guide rail plate is cooperatively connected with a plurality of guide rails.

[0006] Preferably, the excavation device of the utility model includes a rotary digging bucket, a coupling and a motor. The rotary digging bucket has a spiral structure and is used for deep digging of roadbed holes. Soil samples can be brought out by its reversal. A number of suction holes are provided on the rotary digging bucket for sucking fine soil samples in the holes. The coupling connects the motor and the rotary digging bucket.

[0007] Preferably, both ends of the guide rail of the utility model are respectively connected with the upper and lower cover plates, and at least one of the guide rail surfaces is provided with a rack structure for cooperating with the guide rail motor gear, and the guide rail motor drives the excavating device to move up and down along the guide rail.

[0008] Preferably, the guide rail motor of the utility model is installed on a guide rail plate, and the digging and lifting actions of the excavation device are realized by the up and down movement of the guide rail plate. One end of the guide rail motor is a gear structure, and the gear is engaged with the rack on the guide rail. The guide rail motor can drive the guide rail plate to move up and down on the guide rail by forward and reverse rotation.

[0009] Compared with the prior art, the utility model has the following advantages:

[0010] 1. Use mechanical rotary drilling method to drill deep pits in the roadbed, which has high drilling efficiency and convenient operation.

[0011] 2. After drilling, the soil can be taken in reverse. The soil taking method is convenient, which effectively reduces the labor intensity of manual soil taking and improves construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 , is the front view of the utility model; Figure 2 , is a left view of the utility model; Figure 3 , is a top view of the utility model; Figure 4 , is a three-dimensional diagram of the utility model; Figure 5 , is the main view of the frame of the utility model; Figure 6 , is a top view of the framework of the utility model; Figure 7 , is the front view of the frame bucket of the utility model; Figure 8 , is a top view of the frame bucket of the utility model; Fig. 9 , is a front view of the earth-moving device of the utility model; Fig.10 , is a left view of the earth-moving device of the utility model; Fig.11 , is a top view of the earth-moving device of the utility model; Fig.12 , is the front view of the rotary digging bucket of the utility model; Fig.13 , is a partial view of the rotary digging bucket of the utility model; Fig.14 , is the front view of the guide rail plate of the utility model; Fig.15 , is a left view of the guide rail plate of the utility model; Fig.16 , is a top view of the guide rail plate of the utility model; Fig.17 , is the front view of the guide rail motor of the utility model; Fig.18 , is a left view of the guide rail motor of the utility model; Fig.19 , is a top view of the guide rail motor of the utility model; Fig. 20 , is the front view of the cover plate of the utility model.

[0013] In the figure: 1 frame; 2 frame bucket; 3 digging device; 3-1 rotary digging bucket; 3-2 coupling; 3-3 motor; 4 guide rail; 5 guide rail plate; 6 guide rail motor; 7 cover plate; 8 suction hole. DETAILED DESCRIPTION

[0014] In order to make the purpose, principle and structure of the utility model clearer, it is further described below in conjunction with the drawings and specific embodiments.

[0015] Embodiment 1: A roadbed compaction pit digging and soil taking device is mainly composed of a frame 1, a frame bucket 2, a digging device 3, a guide rail 4, a guide rail plate 5, a guide rail motor 6, and a cover plate 7.

[0016] The frame 1 is welded with square tubes, with a length of 500mm, a width of 500mm and a height of 1200mm. It mainly provides support for the equipment. A cover plate 7 is welded at the upper and lower ends of the frame 1 to store the device and soil. A φ200mm through hole is opened in the middle of the cover plate 7, and φ30mm through holes are also opened at both ends of the through hole. Among them, the φ200mm through hole can allow the excavation device 3 to go deep to dig and extract soil, and the φ30mm through holes are respectively connected and fixed to the two guide rails 4.

[0017] The frame bucket 2 is made of glass material, enclosing the bottom of the frame 1 and cooperating with the cover plate 7 to form a cavity for containing the roadbed soil material taken out by the excavation device 3.

[0018] The excavation device 3 is installed and fixed on the guide rail plate 5, and is mainly composed of a rotary digging bucket 3-1, a coupling 3-2, and a motor 3-3. The rotary digging bucket 3-1 has a diameter of φ20mm and is used to dig deep roadbed holes. The soil samples can be brought out by its reversal. Two φ8mm suction holes 8 are provided at the bottom. Through the principle of the vacuum cleaner structure, the fine soil samples in the holes can be automatically sucked out, reducing the labor intensity of personnel; the coupling 3-2 is a general coupling on the market, which mainly serves to connect the motor 3-3 and the rotary digging bucket 3-1; the motor 3-3 mainly serves to transmit power and provide rotary digging power for the rotary digging bucket 3-1.

[0019] The guide rail 4 is a cylindrical rod, and its two ends respectively cooperate with the φ30mm through holes on the cover plate 7, and are arranged symmetrically. At least one guide rail 4 has a rack structure on its surface to cooperate with the gear of the guide rail motor 6 to realize the up and down movement of the excavating device 3.

[0020] The guide plate 5 is provided with φ40mm and φ30mm through holes, wherein the φ40mm through hole cooperates with the excavating device 3, and the φ30mm through hole cooperates with the guide rail 4. In addition, the guide rail motor 6 is also installed on the guide plate 5. By moving the guide plate 5 up and down, the excavating device 3 can realize the digging and lifting actions. The bottom of the guide plate 5 is provided with a rib plate 5-1 to improve the supporting strength.

[0021] The guide rail motor 6 is installed on the guide rail plate 5, one end of which is a gear structure. The gear is meshed with the rack on the guide rail 4 to form a gear rack structure. The guide rail motor 6 can drive the guide rail plate 5 to move up and down on the guide rail 4 by forward and reverse rotation.

[0022] The cover plate 7 is welded and fixed to the upper and lower ends of the frame 1 respectively, and is provided with a mounting rail 4 and a through hole for passing the digging device 3. The cover plate 7 at the bottom of the frame 1 can also cooperate with the frame bucket 7 to form a cavity structure for loading the excavated material.

[0023] Embodiment 2: the method of using the utility model.

[0024] Step 1: placing a roadbed compaction pit digging and soil taking device and a method for using the device on the roadbed pavement where the pit digging and soil taking is required;

[0025] Step 2: Start the device power supply and control program;

[0026] Step 3, start the motor 3-3 of the digging device 3, and rotate the digging bucket 3-1 to work;

[0027] Step 4, start the guide rail motor 4 to control the guide rail plate 5 to move downward smoothly;

[0028] Step 5, the rotary excavator bucket 3-1 starts digging, and after reaching a specified depth, the motor 3-3 of the digging device 3 is reversed;

[0029] Step 6, start the reversing guide motor 4, control the digging device 3 to move upward, and at the same time, rotate the digging bucket 3-1 to take out the soil sample and scatter it in the cavity formed by the frame bucket 2 and the cover plate 7;

[0030] Step 7, reset the excavation device 3 and stop the operation of each motor, and the excavation and soil taking work is completed;

[0031] Step 8: Repeat the above steps to proceed to the next operation.

[0032] The above is only a specific implementation method of this utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field within the technical scope disclosed by the utility model, according to the technical solution and new concept of the utility model, shall be covered by the protection scope of the utility model.

Claims

1. A roadbed compaction digging and soil taking device, characterized in that include A frame for providing support, with a cover plate at each of the upper and lower ends of the frame, and a through hole in the middle of the cover plate; A plurality of guide rails are arranged in the frame, and the two ends of the guide rails are respectively connected to the upper and lower cover plates; The frame bucket is arranged at the bottom of the frame to enclose the bottom of the frame, and the frame bucket cooperates with the lower cover plate to form a cavity for containing the roadbed soil material taken out by the excavation device; The digging device is installed on a guide rail plate, and the guide rail plate is cooperatively connected with a plurality of guide rails.

2. A roadbed compaction digging and soil taking device as claimed in claim 1, characterized in that The excavation device includes a rotary digging bucket, a coupling and a motor. The rotary digging bucket is a spiral structure and is used to dig deep roadbed holes. The soil samples can be brought out by reversing. The rotary digging bucket is provided with a plurality of suction holes for sucking fine soil samples in the holes. The coupling connects the motor and the rotary digging bucket.

3. A roadbed compaction digging and soil taking device as claimed in claim 1, characterized in that The two ends of the guide rail are respectively connected with the upper and lower cover plates. At least one of the guide rails is provided with a rack structure for cooperating with the guide rail motor gear. The guide rail motor drives the excavating device to move up and down along the guide rail.

4. A roadbed compaction digging and soil taking device as claimed in claim 3, characterized in that The guide rail motor is installed on the guide rail plate. The guide rail plate moves up and down to realize the digging and lifting actions of the excavator. One end of the guide rail motor is a gear structure. The gear is engaged with the rack on the guide rail. The guide rail motor can drive the guide rail plate to move up and down on the guide rail by forward and reverse rotation.

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