CN105547744A - Deep soil sampler with lever device and method thereof - Google Patents

Abstract

The invention discloses a deep soil sampler with a lever device and a method thereof. It is fixed with several rings on the traditional drill barrel, and the outer diameter of the rings is not larger than the outer diameter of the slicing drill bit. The sampling device includes a lever device. The lever device is composed of a straight rod part and a bent part connected to each other. The straight rod part is composed of a first handle and a second handle, and the first handle and the second handle are connected to each other. parallel. The end of the bent part that is not connected with the straight rod part is provided with a slot hole, and the diameter of the slot hole is larger than the diameter of the drill barrel and smaller than the diameter of the ring. The sampling device can also be used with a foot pedal. The pedal is U-shaped, and a card slot slightly larger than the thickness of the ring is opened on the inner wall. The beneficial effects of the present invention are: simple structure, easy to use, due to the existence of pedal and pull out soil sampler device, it is labor-saving to insert and take out the soil sampler, it is convenient to collect deep soil, strong practicability, at the same time the scale on the disc The display effect of depth is better.

Description

Deep soil sampler with lever device and method thereof

technical field

The invention relates to a soil sampler, in particular to a deep layer soil sampler with a lever device and a method thereof.

Background technique

The collection and analysis of soil samples is the basis for obtaining soil physical and chemical properties, nutrient information, fertility characteristics, and other aspects of soil analysis and research to obtain soil information. How to accurately, appropriately, labor-saving, and quickly obtain soil samples at different depths of soil is closely related to the accuracy and reliability of the final data obtained.

Soil sampler is one of the necessary tools for soil research. The quality of soil sampler sampling performance determines the quality of sampling, especially the quick and clean stripping of soil samples from the soil sampler, which affects the efficiency and accurate analysis of soil components. Soil samplers come in many different configurations, with both smooth and non-smooth walls of the drill body. The non-smooth surface is divided into three types: inner convex structure, outer convex structure and bi-convex structure. Compared with the smooth surface, the non-smooth surface greatly reduces the resistance. The cutting edge structure of the drill bit can be divided into notched drill, open-slit drill and non-slit drill. The notched drill is not conducive to obtaining undisturbed soil samples, but the structure of the open-slit drill is relatively complex, and the non-slit drill is better. The shape of the cutting edge has three types: flat cutting edge, inclined cutting edge and rotary cutting edge, and each of the three structures has its own advantages and disadvantages.

The traditional soil fetcher connects the tubular drill bit, the drill pipe and the fixed handle at the upper end of the drill pipe as a whole. When collecting soil samples, hold the handle and rotate vigorously to lock the soil in the pipe of the drill bit, and then use a thin stick to squeeze out the required soil Scraping, this method of collecting soil is not only time-consuming and laborious, but also destroys the undisturbed soil, which seriously affects the work efficiency of soil collection. At the same time, as the sampling depth increases, the difficulty of taking out the sampler will also increase, and even if the sampler is stuck in the soil, it is difficult to take out, and the soil sampler may be damaged.

The Chinese patent application number 201120201104.0 discloses a soil auger, which is composed of a handle, a drill barrel and a drill bit, and can obtain soils of different depths, but it cannot avoid the increase of the resistance of inserting and extracting the auger due to deepening of the sampling depth. The Chinese patent application No. 201320716753.3 discloses a push-out type soil drill, which can push the collected soil out of the drill bit, but it cannot avoid the increase of resistance when the depth increases.

Contents of the invention

The purpose of the present invention is to solve the problems in the prior art and provide a deep soil sampler with a lever device.

In order to achieve the above object, the concrete technical scheme that the present invention adopts is as follows:

A deep soil sampler with a lever device, including a drill tube, a bulldozing rod and a drill bit, and a lever device, the drill tube is fixed with several rings, and the outer diameter of the ring is not greater than the outer diameter of the drill bit; the lever The device is composed of a straight rod part and a bent part connected to each other. The straight rod part is composed of a first handle and a second handle. The first handle and the second handle are parallel to each other, and the distance between the two The distance must allow the drill barrel to pass through; the end of the bent part not connected with the straight rod part is provided with a slot hole, and the diameter of the slot hole is larger than the diameter of the drill barrel and smaller than the diameter of the ring.

Preferably, the connecting part of the straight rod part and the bent part forms an angle of 90°.

Preferably, the ends of the first handle and the second handle that are not connected to the bending portion are provided with ergonomically designed corrugations.

Preferably, a pedal is also included, and the pedal is U-shaped, and a card slot slightly larger than the thickness of the ring is opened on the inner wall of the pedal, so that the pedal can be fitted into the ring for fixing.

Preferably, the radius of the semicircular portion of the slot is equal to the outer radius of the ring, so that the ring can be inserted into the slot to the greatest extent.

Another object of the present invention is to provide a soil sampling method using the device, the steps are as follows:

When sampling, put the slice drill bit vertically on the soil surface, press the drill barrel to make the slice drill bit enter the shallow soil, and rotate the drill barrel at the same time when pressing to help break the soil. When collecting deep soil, insert the ring corresponding to the depth of the target soil layer into the groove of the pedal to form a pedal. By stepping on the pedal and pressing the drill barrel, the slicing bit enters the deep soil and pulls out. Get soil samples out of the drill pipe.

As a preference, in the process of pulling out the drill barrel, snap the nearest circular ring above the soil surface into the slot hole of the lever device, apply a force perpendicular to the straight rod portion to the first handle and the second handle of the lever device The force in the same direction moves the drill barrel upward for a certain distance; then repeat the above process for the next ring until the drill barrel is completely pulled out.

Preferably, the pedal is also used to realize one or more of the following functions:

1) When the drill cylinder deviates from the vertical state, completely snap the semicircular part of the ring into the slot, that is, tighten the pedal to the maximum extent, and then rotate the straight part of the pedal to the side where the deviation needs to be corrected. Apply downward pressure to the pedal in this state to return the drill barrel to the normal position and continue sampling;

2) When the drill barrel needs to strengthen the downward pressure, clamp the semicircular part of the ring to the middle of the slot, so that there are parts of the pedal body on both sides of the ring as the acting torque, and then step on both feet on the pedal or Two people step on the pedal at the same time to increase the downward pressure to realize the collection of hard deep soil;

3) For shallow soil or when only auxiliary pressure needs to be applied, the ring can be slightly stuck into the pedal to make the torque smaller. At this time, the drill barrel will not be greatly tilted during the pedaling process, and only the strength of the hand is used. To maintain the balance of the drill barrel;

4) Fully snap the semicircular part of the ring into the slot, that is, tighten the pedal to the maximum extent, as a force transmission part between the lever device and the ring.

The beneficial effects of the present invention are: simple structure, easy to use, due to the existence of pedal and pull out soil sampler device, it is very labor-saving to insert and take out the soil sampler, it is convenient to collect deep soil, and the practicability is strong. The display effect of depth is better.

Description of drawings

Fig. 1 is the structural representation of traditional soil sampling device;

Fig. 2 is a kind of structural schematic diagram of the soil sampling device with multifunctional pedal;

Fig. 3 is a schematic diagram of a lever device of the present invention;

Fig. 4 is a schematic diagram of the pedal of the present invention;

Fig. 5 is a schematic view of the use state of the lever device in the present invention;

Fig. 6 is a schematic diagram of the use state of the pedal in the present invention;

Among the figure: drill barrel 1, bulldozer rod 2, slice drill bit 3, bulldozer blade 4, ring 5, pedal 6, draw-in groove 7, slotted hole 8, first handle 9 and second handle 10.

detailed description

The present invention will be further elaborated and illustrated below in conjunction with the accompanying drawings and embodiments. The technical features of the various implementations in the present invention can be combined accordingly on the premise that there is no conflict with each other.

As shown in Figure 1, common soil sampling devices include drill barrels, dozer rods, and slicer bits. The bulldozing rod 2 is nested in the drill barrel 1 . Bulldozer bar 2 tops and bottoms all stretch out drill barrel 1, and drill barrel 1 bottom is provided with slice bit 3, and bulldozer bar bottom is provided with bulldozer sheet 4.

Based on the above soil sampling device, the present invention provides a deep soil sampler with a lever device. As shown in Figure 2, the device also includes a lever device, and several rings 5 are fixed on the drill barrel, and the outer diameter of the rings 5 is not larger than the outer diameter of the drill bit. As shown in Figure 3, the lever device is composed of a straight rod part and a bent part connected to each other, and the straight rod part is composed of a first handle and a second handle, and the first handle and the second handle are parallel to each other , and the distance between the two must allow the drill barrel to pass through; the end of the bent part that is not connected to the straight rod part is provided with a slot hole, and the diameter of the slot hole is greater than the diameter of the drill barrel and smaller than the diameter of the ring 5 . In this embodiment, the connection between the straight part and the bent part forms an angle of 90°, which is the most labor-saving state. The ends of the first handle and the second handle not connected with the bending part are provided with corrugations conforming to ergonomic structure.

As shown in FIG. 4 , the deep soil sampler with a lever device can also be equipped with a pedal 6 . The pedal 6 is U-shaped, and its inner side wall is provided with a draw-in groove slightly larger than the thickness of the ring 5, so that the pedal can be fixed in the ring 5 by cooperating with the clamp. The radius of the semicircular portion of the slot is equal to the outer radius of the ring 5, so that the ring 5 can be inserted into the slot to the greatest extent.

In the present embodiment, the slicing drill bit 3 is about 25cm long, so soil samples with a depth of 20cm can be taken at most at one time. As shown in Figures 5 and 6, the method of using the soil sampler is: when sampling, place the slicing drill bit 3 vertically on the soil surface, press the handle of the drill cylinder 1 to make the slicing drill bit 3 enter the soil, and can rotate at the same time when pressing The drill pipe 1 is beneficial to breaking the soil. At this time, the bulldozing rod 2 connected with the bulldozing blade 4 rises slowly under the action of the soil sample. When collecting deep soil, due to the increase of resistance, it is difficult for the drill tube 1 to press into the soil. At this time, you can choose a ring with a suitable position on the drill tube 1, and insert the ring 5 into the clamping groove 7 of the pedal, so that The circular ring 5 is located in the card slot 7 of the semicircular part of the pedal 6 to form a pedal. Which circular ring 5 to choose depends on the degree of convenience and is not certain, and in the specific sampling process, the position of the pedal can be changed. Move at will, step on the pedals and cooperate with pressing the drill barrel 1, which is more conducive to breaking the soil and collecting deep soil. During the sampling process, the depth of the soil layer entering the slicing bit 3 can be determined through the depth mark on the ring 5, which is clearer than the traditional soil drill where the scale is directly placed on the outer wall of the drill barrel.

When the preset soil depth is reached, if the collected soil is deep, the resistance will be too large, making it difficult for the soil sampler to be removed from the soil. At this time, with one end of the lever device having the slotted hole 8 facing down, and one end having the straight rod portion (equivalent to the handle) facing up, the lever device is moved so that the drill pipe 1 passes through the first handle 9 and the second handle. The gap between the handles 10 is to place the ring exposed on the top of the soil surface on the drill pipe 1 closest to the soil surface on the upper part of the slot 8 of the lever device, and a part of the drill pipe 1 is located in the slot of the lever device 8 in. At this moment, the upper part of the bent part is against the disk, and the lower part is against the soil. Hold the first handle 9 and the second handle 10 of the lever device with both hands, and apply a force perpendicular to the direction of the straight rod (this is the most labor-saving direction of force application), and the drill barrel 1 can be easily moved upward for a section distance. At this time, the lever device is once again acted on the ring 5 on the drill tube 1 closest to the soil surface according to the above method, and the drill tube 1 is moved upward for a certain distance until it acts on the last ring 5, and the slicing drill bit 3 is partially removed from the soil surface, and a small part of the slice drill bit 3 remaining in the soil can be easily taken out of the soil by extracting the drill barrel 1.

After the soil sampler is taken out from the soil, push the bulldozer 2 so that the soil column slides out of the slice drill 3 with the movement of the bulldozer 4. After sampling, the bulldozer 4 can be removed from the bulldozer 2 Up and down, the bulldozing rod 2 is taken out from the top of the drill tube 1 for cleaning.

In addition, pedal 6 can also realize multiple functions:

1) Fully snap the semicircular part of the ring 5 into the slot 7, that is, tighten the pedal 5 to the maximum extent with the pedal 6. At this time, the straight part of the pedal is the longest, and the torque formed with the drill cylinder 1 is the largest. When the depth of the collected soil is deep, the inclination of the drill pipe 1 will occur, which will have a fatal impact on the accuracy of the sample. Therefore, the straight part of the pedal can be rotated to the side where the deviation needs to be corrected, and by applying downward pressure to the pedal in this state, the drill tube 1 can return to the normal position and continue sampling;

2) Snap the semicircular part of the ring 5 to the middle of the slot 7, so that both sides of the ring 5 have part of the pedal body as the acting moment. At this time, both feet can be stepped on the pedals or two people can step on the pedals at the same time to increase the downward pressure and realize the collection of hard deep soil.

3) For shallow soil or when it is only necessary to apply auxiliary pressure, the ring 5 can be slightly stuck into the pedal to make the torque smaller. At this time, the drill barrel 1 will not be greatly tilted during the pedaling process, and only the hand Just can maintain the balance of drill barrel 1 with all power.

4) For the state of 1), it can also be used to cooperate with the lever device. Because the force of the lever device on the circular ring 5 is relatively large, and the contact portion between the two is relatively small, it is easy to cause damage to the circular ring 5 . At this time, the pedal 6 can be placed according to the state of 1) as a force transmission part between the lever device and the ring 5. At this time, the force applied by the lever device will be evenly distributed on the ring 5, reducing the Chance of ring 5 damage, prolong lifespan.

When sampling, the deeper the depth of the collected soil, the more difficult it is to pull out the soil sampler. The present invention uses the lever principle to pull out the soil sampler, which can easily pull out the sampler, and the first handle 9 and the second handle 10 are more difficult to pull out. The longer it is, the more labor-saving it is, but if the straight rod is too long, the sampler will be bulky and inconvenient to carry. For preference, the length of the straight rod can be designed to be similar to the length of the sampler, which is convenient for carrying together. In addition, with regard to the length of the slot 7, if the length of the slot 7 is very long, the maximum distance that the drill cylinder 1 can be moved upward by each ring 5 can be improved, but it will also cause inconvenience in carrying. For optimization, it can be designed as 25cm to 30cm.

The above-described embodiment is only a preferred solution of the present invention, but it is not intended to limit the present invention, and all technical solutions obtained by means of equivalent replacement or equivalent transformation all fall within the protection scope of the present invention Inside.

Claims (8)

1. the deep soil sampling thief with leverage, comprises drilling pipe, bulldozing rod and drill bit, it is characterized in that, also comprise leverage, described drilling pipe is fixed with several annulus, and annulus external diameter is not more than outside diameter; Leverage is made up of interconnective straight-bar portion and kink, and described straight-bar portion is made up of the first lever and the second lever, and the first lever and the second lever are parallel to each other, and distance between the two must allow drilling pipe to pass through; One end that described kink is not connected with straight-bar portion offers slotted eye, and slotted eye diameter is greater than drilling pipe diameter and is less than circle diameter.

2. the deep soil sampling thief of band leverage as claimed in claim 1, it is characterized in that, described straight-bar portion and kink connecting place are 90 ° of angles.

3. the deep soil sampling thief of band leverage as claimed in claim 1, it is characterized in that, one end that the first described lever and the second lever are not connected with kink is provided with the ripple meeting ergonomic structure.

4. the deep soil sampling thief of band leverage as claimed in claim 1, it is characterized in that, also comprise foot-operated, described is foot-operated U-shaped, its madial wall offers the draw-in groove slightly larger than annulus thickness, foot-operated energy formula is snapped in annulus and is fixed.

5. the deep soil sampling thief of band leverage as claimed in claim 1, it is characterized in that, the semi-circular portions radius of described draw-in groove is equal with the external radius of annulus, makes annulus at utmost embed in draw-in groove.

6. use a soil sampling method for device described in claim 4, it is characterized in that step is as follows:

During sampling, section drill bit is vertically placed in soil surface, make section drill bit enter thin solum by pressing drilling pipe, can rotate drilling pipe simultaneously and be beneficial to break ground during pressing, the bulldozing rod now connecting soil-shifting sheet slowly rises under the effect of soil sample; When gathering deep soil, annulus corresponding for target soil depth being embedded foot-operated draw-in groove, being formed foot-operated, being stepped on by pin foot-operated, coordinate pressing drilling pipe, make section drill bit enter deep soil, extract drilling pipe and obtain pedotheque.

7. soil sampling method as claimed in claim 6, it is characterized in that, described extracts in the process of drilling pipe, annulus nearest above upper soll layer is snapped in the slotted eye of leverage, apply the power perpendicular to direction, straight-bar portion to the first lever of leverage and the second lever, drilling pipe is moved up a segment distance; Again said process is repeated, until drilling pipe is pulled out completely to next annulus.

8. soil sampling method as claimed in claim 6, is characterized in that, described foot-operated one or more also for realizing in following function:

1) when drilling pipe departs from plumbness, the semi-circular portions of annulus is snapped in draw-in groove completely, be about to foot-operated at utmost with foot-operated tension, again foot-operated straight line portion is rotated the side to needing correction, by to the foot-operated applying downward pressure under this state, make drilling pipe be returned to normal position, continue sampling;

2) when drilling pipe needs to strengthen downward pressure, by the semi-circular portions card of annulus to the middle part of draw-in groove, make annulus both sides all have the foot-operated body of part as opplied moment, then both feet are all stepped on foot-operated or two people and step on foot-operated simultaneously, increase downward pressure, realize the collection of hard deep soil;

3) for thin solum or when only needing to apply aux. pressure, annulus can be snapped in slightly in riding, make moment less, now pin is trespassed in journey and drilling pipe can not be made significantly to tilt, and only just can maintain the balance of drilling pipe by hand strength;

4) semi-circular portions of annulus is snapped in draw-in groove completely, be about to foot-operated at utmost with foot-operated tension, as the power conducting parts between leverage and annulus.