CN108931392A - A kind of lever firming formula earth boring auger device and its application method - Google Patents

Abstract

The invention discloses a lever soil pressing device, which comprises a lever soil pressing device for taking out soil samples in the drill bit, a main rod and a drill bit arranged at the lower end of the main rod; the lever soil pressing device includes a movable plug, a transmission rod and Manual rod; the movable plug is set inside the drill bit and can move up and down along the inner wall of the drill bit. The lower end of the transmission rod passes through the drill bit and is hinged with the movable plug. The end of the manual rod is hinged with the upper end of the transmission rod. The rod is hinged; when the manual rod is turned upwards, the transmission rod can drive the movable plug to move down along the inner wall of the drill bit. This device greatly simplifies the complex process of taking out soil samples from the drill bit, and saves a lot of valuable time for field tests. Its structure and principle are simple and easy to understand, convenient and flexible to operate, small in size, light in weight, and will not affect the soil. The normal use of the drill is an ideal soil sample collector, which has good use and promotion value.

Description

A lever soil pressing type soil drilling device and its use method

technical field

The invention relates to the field of field soil sampling tools, in particular to a field portable lever soil pressing type soil drill device and a method for using the same.

Background technique

As an important carrier in the ecosystem, soil plays an inestimable role in nature. Therefore, it is very necessary to conduct scientific research on soil; The academic field will conduct related experimental research on soil.

In the study of soil, due to the inconvenience of field conditions, it is often necessary to sample the soil, and then bring it indoors for related experimental research. At present, the tools often used for soil sampling in the field are generally soil augers; The traditional soil drill is a single T-shaped structure, which is mainly composed of three welding parts: the drill bit, the drill pipe, and the handle. When using it, you only need to force the soil drill to rotate downward. When taking soil samples from outside, you need to use tools to slowly pull them out, and then you can put the soil samples into bags and seal them. The process is very troublesome, labor-intensive and time-consuming, and the work efficiency is low; The blade is not only laborious to use, but also less efficient. Therefore, in summary, the traditional soil sample collection methods have disadvantages such as troublesome procedures, labor and time consumption, and low work efficiency.

Therefore, how to design a device that can quickly sample and sample soil in the field, save time and effort, and have high work efficiency is a technical problem that we need to solve.

Contents of the invention

Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a lever soil pressing type soil drilling device and its use method, which solves the problems of complicated procedures, labor and time consumption, and low work efficiency of the sampling instrument in the prior art. , the present invention is not only simple in structure and principle of use, easy to carry in the field, and convenient to operate, but also its special lever soil pressing device greatly simplifies the complicated process of taking out soil samples from the drill bit, saves unnecessary manpower consumption, and is a good example for field tests. It saves a lot of precious time; secondly, the unique serrated blade at the opening of the lower end of the drill bit can easily make the drill body enter the soil bedding, which speeds up the sampling speed and improves the work efficiency.

The present invention is achieved through the following technical solutions:

A lever soil pressing type soil drilling device, comprising a lever soil pressing device for taking out soil samples in the drill bit, a main rod and a drill bit arranged at the lower end of the main rod;

Wherein, the lever soil pressing device includes a movable plug, a transmission rod and a manual rod; the movable plug is arranged inside the drill bit and can move up and down along the inner wall of the drill bit, the lower end of the transmission rod passes through the drill bit and is hinged with the movable plug, and the manual rod The end is hinged with the upper end of the transmission rod, and the middle part of the manual rod is hinged with the main rod;

Manual rod rotates upwards, and then transmission rod can drive movable plug to move down along the inwall of drill bit.

Preferably, the transmission rod includes two sub-transmission rods, which are symmetrically arranged on both sides of the main rod.

Preferably, the manual lever includes a connecting rod and a driving handle; the main rod is provided with a U-shaped slot, and a horizontal lever connecting shaft is arranged in the slot, the middle part of the connecting rod is connected with the lever connecting shaft, and one end of the connecting rod is connected with the The two sub-transmission rods are connected, and the other end is connected with the driving handle.

Preferably, a torsion spring is installed on the lever connecting shaft, which can make the manual lever rotate downward.

Preferably, the main rod includes a drill rod and a handle, the handle is horizontally arranged on the upper end of the drill rod, and the lower end of the drill rod is connected to the drill bit through threads.

Preferably, the center of the handle is also provided with an iron blunt for bearing knocking force.

Preferably, the drill bit includes a drill body and a drill cap; the drill cap is screwed to the top of the drill body, and the lower port of the drill body is an oblique opening.

Preferably, the said bevel is provided with continuous serrated blades.

Preferably, a notch for observing soil samples is also provided on the side wall of the drill body.

The present invention also provides a method for using a lever soil pressing type soil drilling device, comprising the following steps,

Step 1. Point the drill bit at the sampling area and apply downward pressure, so that the drill bit is gradually inserted into the sampling soil until the drill bit reaches the sampling depth;

Step 2. Lift the drill bit up, turn the manual rod upward, the manual rod drives the transmission rod to move down, and the transmission rod drives the movable plug to move down along the inner wall of the drill bit, and press out all the soil in the drill bit.

Compared with the prior art, the present invention has the following beneficial technical effects:

The lever soil pressing type soil drilling device includes a drill bit and a main rod. A movable plug is installed in the drill bit. The manual rod is rotatably connected to the main rod. The main rod is connected to the piston through a transmission rod. During the sample removal process, pressure is applied to the drill bit. Make the drill bit go deep into the soil, and then rotate the manual lever upwards, the manual lever drives the piston to move down through the transmission rod, and the soil sample in the drill bit is pressed out to complete the sampling. This device greatly simplifies the complex process of taking out soil samples from the drill bit, and saves a lot of precious time for field tests. Its structure and principle are simple and easy to understand, convenient and flexible to operate, small in size, light in weight, and will not affect the soil. The normal use of the drill is an ideal soil sample collector, which has good use and promotion value.

The two sub-transmission rods are arranged symmetrically on both sides of the main rod to ensure the balance of the movement of the movable plug.

A handle is installed on the upper end of the drill rod to improve the operation convenience of the earth drilling device.

An iron blunt device is added to the upper end of the handle, which is especially suitable for areas with hard soil, and expands the applicable range and use limit of the soil drill device.

A sharp serrated blade is added to the lower end of the drill bit, so that the drill body can quickly enter the soil bedding, speed up the sampling speed, save unnecessary manpower consumption, and improve the test efficiency.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of earth drilling device;

Fig. 2 is the structural representation of drill bit;

Fig. 3 is a structural schematic diagram 1 of the main rod;

Fig. 4 is the structural representation 2 of lever main rod;

Fig. 5 is the structural representation of earth pressing device;

Fig. 6 is the structural representation of piston;

Fig. 7 is the structural representation of extension bar;

Fig. 8 is a schematic structural view of the blade protection sleeve.

In the figure: 1, drill bit; 1-1, drill cover; 1-2, threaded connection shaft; 1-3, through hole; 1-4, annular threaded connection shaft; 1-5, drill body; 1-6 , rectangular notch; 1-7, serrated blade; 2, main rod; 2-1, handle; 2-2, rubber anti-slip protective sleeve; 2-3, blunt iron; 2-4, drill pipe; Lever connection shaft; 2-7, small hole; 2-8, ring buckle; 3, lever soil pressing device; 3-1, movable plug; 3-2, movable plug connecting hole; 3-3, transmission rod; 3- 4. Manual lever; 3-5. Torsion spring; 3-6. Rubber anti-skid protective layer; 4. Extension rod; 5. Blade protection cover.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings, which are explanations rather than limitations of the present invention.

As shown in FIG. 1 , a lever earth-pressing soil drilling device includes a drill bit 1 , a main rod 2 and a lever earth-pressing device 3 .

Wherein, the top of the main rod 2 is provided with a horizontal handle, the drill bit 1 is arranged at the lower end of the main rod 2, the upper end of the lever earth pressing device 3 is connected with the main rod, and the lower end is arranged in the drill bit, for taking out the figure in the drill bit 1 .

As shown in FIG. 2 , the drill bit 1 is a cylindrical structure with an obliquely open bottom end, and the drill bit 1 includes a drill body 1-5 and a drill cap 1-1.

The drill body 1-5 is a tubular structure with an oblique lower port. The top of the drill body 1-5 is processed with an internal thread with a depth of 2mm. , the distance from the uppermost end of the lower port to the uppermost end of the drill body is 20cm, and it is symmetrically distributed. The drill body 1-5 is also provided with a rectangular notch 1-6, and the notch 1-6 is arranged on the vertically arranged drill body. On the side wall, and is the shortest position with the length of the drill body, so as to observe the soil sample collection situation, it can also be used as a spare port for taking out the soil from the drill bit 1.

The lower end of the drill body 1-5 is oblique, and its height difference is 5cm, and its lower edge is evenly distributed with serrated blades 1-7, and the vertical central axis of each blade is connected to the drill body 1-5. The lower edges are perpendicular to each other, and the degree of its formation can not only impel the drill body to rotate in the horizontal direction, but also promote the descent speed of the drill body.

The diameter of the drill cover is the same as the diameter of the drill body 1-5, and the drill cover 1-1 includes a cover body, a connecting shaft 1-2 and an annular connecting ring 1-4; the cover body is a cylinder with a thickness of 1 cm, and the connecting shaft 1-2 2 Welded at the center of the top of the cover body 1, the connecting shaft 1-2 is provided with threads for connecting with the main rod 2, and the annular threaded connecting shaft 1-4 is welded on the lower end of the drill cover 1-1, which is 1.5 in height cm, thickness 2.5mm tubular structure, and its diameter is smaller than that of the drill cap, the annular connecting ring 1-4 is provided with external thread, the inner wall is smooth, the external thread matches the internal thread on the upper end of the drill, the drill cap 1-1 It is connected with the drill body by thread.

As shown in Figures 3 and 4, the main rod 2 includes a handle 2-1 and a drill pipe 2-4, all of which are hollow steel pipe materials; the handle 2-1 is a cross-shaped structure, and its horizontal direction is that of the handle 2-1. The part of the manual operating rod, and its total length is about 25cm, and its outer wall is wrapped with a layer of rubber anti-skid protective cover 2-2 to prevent sliding and wear of the fingers of the personnel during operation. The upper end of the handle is welded with iron blunt 2-3, which is convenient When manpower cannot press down to take the soil sample, other objects can be used to knock it down to complete the soil sample collection. The lower part is a connecting shaft with an external thread.

The drill rod 2-4 is a steel pipe structure with a length of 80 cm. The upper and lower ends of the drill rod are provided with internal threads with a depth of 2 mm. The internal threads at the upper end match the external threads at the lower end of the handle, and the internal threads at the lower end The thread matches the thread of the threaded connection shaft 1-2 at the upper end of the drill bit; the upper end of the drill rod 2-4 is connected with the handle through the thread, and the lower end is connected with the drill cap through the thread.

As shown in Figure 5, the lever soil pressing device 3 includes a movable plug 3-1, a transmission rod 3-3, a manual rod 3-4 and a torsion spring 3-5.

As shown in Figure 6, the movable plug 3-1 is movably installed in the drill bit 1, its shape and size are compatible with the drill bit 1, and the top of the movable plug 3-1 is symmetrically provided with two connecting holes 3-2 along the central axis direction, Drill the two through holes 1-3 on the cover 1-1.

The transmission rod 3-3 includes two sub-transmission rods with a rectangular steel structure in cross section, which are respectively located on both sides of the drill rod 2-4. The lower end of the transmission rod 3-3 passes through the hole 1-3 and the movable plug 3-3. The connecting hole 3-2 of 1 is hinged by a rivet, and the upper end of the transmission rod 3-3 is hinged with the uppermost end of the manual rod 3-4 by a rivet. The passing hole 1-3 is a rectangular structure, which is used to swing back and forth in the process of passing through the transmission rod 3-3 during soil compaction.

The manual rod 3-4 is a Y-shaped structure, including a V-shaped connecting rod and a handle. The cross-section of the connecting rod is a rectangular steel structure. The upper end of the transmission rod is hinged, and the lower part of the drill rod 2-4 is horizontally welded to a U-shaped slot, in which a lever connecting shaft 2-6 is arranged, and the middle part of the V-shaped connecting rod is hinged to the lever connecting shaft 2-6 through a rivet, and the lever Also be equipped with torsion spring 3-5 on the connecting shaft 2-6.

The handle is a small steel pipe structure, one end of the handle is connected to the intersection of the V-shaped connecting rod, and the outer wall of the handle is wrapped with a rubber anti-skid protective layer 3-6. A small hole 2-7 is arranged at a certain distance upwards on the lower end of the drill rod 2-4, which is used to install a ring buckle 2-8 for fixing the handle, and the lower end of the handle is also provided with an external thread for connecting an extension rod.

As shown in Figure 7, an extension rod 4 is also provided as a set. The extension rod 4 is a steel pipe structure with a length of 1m. There are external threads, and the external threads match the thread structure 2-5 at the upper end of the drill pipe, and can connect multiple extension rods according to the conditions of use.

Corresponding length scales are engraved on the outer wall of drill bit 1, drill pipe 2 and extension rod 4, wherein: the total length of the scales of drill bit 1 and drill pipe 2 is 1m, with the highest point of the lower edge of drill bit 1 as the zero point, every two scale lines The distance between them is 5cm, and the numbers are marked every 10cm. The unit between 0-95cm is in cm, and "1m" is marked for every full 1m; the upper end of the extension rod 4 is the zero point, and the marking method is the same as above.

Half of the lower edge of the transmission rod 3-3 is horizontal, and half of it is inclined at a certain angle. Its special shape and structure can not only promote the movement of the movable plug 3-1 well, but also ensure that the upper end of the transmission rod 3-3 follows the movement of the manual rod 3-1. The rotation of 4 has enough turning space.

The steel pipe structure at the end of the manual lever 3-4 can also lengthen the lever according to the actual situation. You can find an iron or wooden stick whose size is compatible with the inner diameter of the steel pipe. It is mainly to prevent various factors such as the viscosity of the collected soil sample. The resulting soil sample collected inside the drill bit 1 and the inner wall of the drill bit 1 have too much friction, so that the staff cannot press the soil sample out. Therefore, this device is applicable to a wide range of people, both male and female testers.

As shown in Figure 8, when the soil drilling device is not in use, the drill bit protective cover 5 adapts to its size and shape with the drill bit 1 lower edge.

All components of the soil drilling device are made of high-strength, high-rigidity stainless steel, which has the characteristics of low density, high strength, and good toughness, ensuring that there will be no deformation or damage during the sampling process.

The present invention also provides an installation method of the lever earth-pressing type soil drilling device. When in use, first connect the drill cover 1-1 and the drill rod 2-4 through threads, and then connect the movable plug 3-1 and the two transmission rods 3 -3 are mutually hinged, then the two transmission rods 3-3 upper ends are all passed through the two through holes 1-3 on the drill cover 1-1 upper end, then, the manual lever 3-4 is installed, and the torsion spring 3-5 is first Fix it on the lever connecting shaft 2-6, then fix the manual rod 3-4 on the lever connecting shaft 2-6 through rivets, and then fix and connect the upper ends of the manual rod 3-4 and the transmission rod 3-3 respectively , and then the drill body 1-5 and the handle 2-1 are respectively connected to the upper end of the drill cover 1-1 and the drill rod 2-4 through threaded connections, that is, the instrument is installed.

The present invention also provides a method for using the lever soil pressing type soil drilling device. In the process of taking soil samples in the field, the experimenter needs to align the drill bit 1 with the sampling area, then hold the handle 2-1 tightly with both hands, and press down firmly with both hands. , or when the manpower cannot be pressed down, other material forces can be used to knock the iron blunt 2-3 on the handle, so that the drill bit 1 is gradually inserted into the sampling soil until the drill bit 1 reaches the sampling depth, that is, the first sampling is successful; Lift up the device, mark the sampling bag and place it under it, and the sampling personnel turn the manual lever 3-4 upwards forcefully, so that the end of the manual lever 3-4 drives the transmission rod 3-3 to push down the movable plug 3 located in the drill bit 1 -1 can press out all the soil in the drill bit 1, that is, a soil sample collection task has been completed; Turn it down until it returns to its original position. Repeat this until all sampling tasks are completed.

The lever earth-pressing soil drilling device and its use method provided by the present invention continue the traditional soil sample sampling device—the soil drilling sampling method, but the difference is that a unique angle is added to the lower end of the drill bit on the original basis. Moreover, the sharp serrated blade enables the drill body to quickly enter the soil bedding, speeds up the sampling speed, saves unnecessary manpower consumption, and improves the test efficiency. At the same time, an iron blunt device is added to the upper end of the handle to expand the The scope of application and limit of use of this device; it also abandons the traditional method of slowly digging out soil samples with tools, and adds a unique lever-type soil-pressing device on the basis of the original, which greatly simplifies the removal of soil samples from the drill bit. The complex process of the soil sample saves a lot of precious time for the field test, and its structure and principle are simple and easy to understand, convenient and flexible to operate, small in size, light in weight, and will not affect the normal use of the soil drill. It is an ideal The soil sample collector has a good use and promotion value.

The above content is only to illustrate the technical ideas of the present invention, and cannot limit the protection scope of the present invention. Any changes made on the basis of the technical solutions according to the technical ideas proposed in the present invention shall fall within the scope of the claims of the present invention. within the scope of protection.

Claims (10)

1. a kind of lever firming formula earth boring auger device, which is characterized in that including the lever firming device for extruding soil sample in drill bit (3), mobile jib (2) and setting mobile jib (2) lower end drill bit (1)；

Wherein, the lever firming device (3) includes motion stops (3-1), drive rod (3-3) and hand lever (3-4)；Motion stops (3-1) is arranged in the inside of drill bit (1), and can move up and down along the inner wall of drill bit, and the lower end of drive rod (3-3), which passes through, bores Hingedly, the hand lever end (3-4) and the upper end of drive rod (3-3) are hinged, in hand lever (3-4) by head (1) and motion stops (3-1) Portion and mobile jib (2) are hinged；

When hand lever (3-4) is rotated up, then it is downward along the inner wall of drill bit to be able to drive motion stops (3-1) for drive rod (3-3) It is mobile.

2. a kind of lever firming formula earth boring auger device according to claim 1, which is characterized in that the drive rod (3-3) includes Two sub- drive rods, are symmetricly set on the two sides of mobile jib (2).

3. a kind of lever firming formula earth boring auger device according to claim 1, which is characterized in that the hand lever (3-4) includes Connecting rod and driving handle；It is provided with U-shaped card slot on mobile jib (2), horizontal lever connecting shaft (2-6) is provided in card slot, even The middle part of extension bar is connect with lever connecting shaft (2-6), and one end of connecting rod is connect with two sub- drive rods (3-3), the other end with Driving handle connection.

4. a kind of lever firming formula earth boring auger device according to claim 3, which is characterized in that the lever connecting shaft (2-6) On be also equipped with torsional spring, hand lever (3-4) can be made to rotate down.

5. a kind of lever firming formula earth boring auger device according to claim 1, which is characterized in that the mobile jib (2) includes drilling rod (2-4) and handle (2-1), the handle (2-1) are horizontally set on the upper end of drilling rod (2-4), and the lower end of drilling rod (2-4) passes through spiral shell Line is connect with drill bit (1).

6. a kind of lever firming formula earth boring auger device according to claim 5, which is characterized in that the center of the handle (2-1) The iron being additionally provided with for bearing percussion power is blunt (2-3).

7. a kind of lever firming formula earth boring auger device according to claim 1, which is characterized in that the drill bit (1) includes drill body (1-5) and bore lid (1-1)；The top that lid (1-1) is threadedly attached in drill body (1-5) is bored, the lower end oral area of drill body (1-5) is Angle.

8. a kind of lever firming formula earth boring auger device according to claim 7, which is characterized in that be provided on the angle continuous Serrated edge (1-7).

9. a kind of lever firming formula earth boring auger device according to claim 7, which is characterized in that the side wall of the drill body (1-5) On be additionally provided with notch (1-6) for observing soil sample.

10. a kind of application method of lever firming formula earth boring auger device according to claim 1, which is characterized in that including with Lower step,

Drill bit (1) alignment sampling area is downwardly applied to pressure by step 1, is gradually inserted drill bit (1) in the sampling soil body, until Drill bit (1) reaches depth selection；

Step 2 takes out drill bit (1) from soil, is rotated up hand lever (3-4), and hand lever (3-4) drives drive rod (3- 3) it moves down, drive rod (3-3) drives motion stops (3-1) to move down along the inner wall of drill bit, and the soil in drill bit (1) is complete Portion extrudes.