CN211576610U

CN211576610U - Portable pneumatic soil sampler

Info

Publication number: CN211576610U
Application number: CN201922169996.XU
Authority: CN
Inventors: 王斌; 韩静; 吴晓明; 卢志伟
Original assignee: Jiangsu Co ltd
Current assignee: Jiangsu Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-09-25
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a portable pneumatic soil sampler, which comprises an air compressor, an air pipe, a pneumatic device, a hammer head, a U-shaped groove, a pipe cap, a sampling pipe, a connecting rod, a cutting ring drill bit, a damping handle and at least one sleeve pipe; air compressor pass through the trachea and be connected with pneumatic means, compressed air gets into pneumatic means through the trachea, the shock attenuation handle locate pneumatic means's both sides, the tup be connected with pneumatic means, drive the tup through pneumatic means and carry out the vertical hammering motion, the bottom of tup be equipped with cylindrical U-shaped groove, sheathed tube top pass through pipe cap and U-shaped groove and be connected, sheathed tube bottom is connected with the cutting ring drill bit, the sampling tube locate sheathed tube inside. The utility model discloses simple structure, easy dismounting, sample thief main part passes through intake-tube connection with the air compressor machine during use, adjusts hammering frequency through the relief valve, is applicable to the special place that various complicated topography and main equipment are difficult for entering.

Description

Portable pneumatic soil sampler

Technical Field

The utility model relates to a place soil pollution investigation field, specifically speaking relates to a portable pneumatic soil sampling ware in soil sampling stage.

Background

At present, soil sampling is mainly carried out by large-scale equipment, but the investigation field situation is complex, the large-scale equipment in some fields cannot enter the field, and sampling personnel are required to carry a portable sampler for sampling in the field. The current portable sampler mainly comprises a small gasoline drill and a manual drill. The gasoline drill main part is small-size gasoline engine generally, and is comparatively heavy, carries and is inconvenient, and in addition, the gasoline drill needs frequently to refuel, and on-the-spot refueling will bring certain secondary pollution risk for the place. The manual drill mainly depends on manual drilling, soil on the spot is dense and real-time, the efficiency of the manual drill is too low, and the precision is poor. Moreover, the common manual drilling sampling pipe is short, the sampling amount is small, the sample is very easy to break, and the soil sample meeting the requirements is difficult to obtain.

SUMMERY OF THE UTILITY MODEL

In order to satisfy complicated topography and special place to the sample demand of soil sample, overcome the defect that portable equipment is heavy, the sample precision is low, the sample volume is few, the utility model provides a portable pneumatic soil sampling ware.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a portable pneumatic soil sampler comprises an air compressor, an air pipe, a pneumatic device, a hammer head, a U-shaped groove, a pipe cap, a sampling pipe, a connecting rod, a cutting ring drill bit, a damping handle and at least one sleeve pipe; air compressor pass through the trachea and be connected with pneumatic means, compressed air gets into pneumatic means through the trachea, the shock attenuation handle locate pneumatic means's both sides, the tup be connected with pneumatic means, drive the tup through pneumatic means and carry out the vertical hammering motion, the bottom of tup be equipped with cylindrical U-shaped groove, sheathed tube top pass through pipe cap and U-shaped groove and be connected, sheathed tube bottom is connected with the cutting ring drill bit, the sampling tube locate sheathed tube inside.

Further technical scheme, the sample thief still include the connecting rod, when sample tube length is not enough, splice a plurality of sleeve pipes in proper order, the sheathed tube top of the top is passed through pipe cap and U-shaped groove connection, the sheathed tube bottom and the cutting ring drill bit of below are connected, the intraductal sample tube that is equipped with of below, other intraductal connecting rods that are equipped with. The length of the sample is increased by the connecting rod.

According to the further technical scheme, the air pipe is provided with a pressure reducing valve at a position close to the pneumatic device, and the air pipe can adapt to various site terrains and soil conditions by adjusting the pressure reducing valve and the length of the air pipe, so that equipment replacement is avoided. The hammer head is welded with the pneumatic device.

According to a further technical scheme, the sleeve is a hollow cylindrical pipe, the top of the sleeve is provided with an external thread, the bottom of the sleeve is provided with an internal thread, and the upper sleeve and the lower sleeve which are adjacent can be sequentially connected.

According to a further technical scheme, the cutting ring drill bit is in an inverted frustum shape.

In a further technical scheme, the lower end of the sampling tube is provided with a one-way check valve

According to a further technical scheme, the damping handle comprises two parallel cross rods, a vertical rod arranged between the two cross rods, a handle main body sleeved on the vertical rod and damping springs arranged on two sides of the handle main body; the two cross rods are I-shaped after being connected with the vertical rods, and one ends of the cross rods are welded with the side face of the pneumatic device.

Further technical scheme, the body of sampling tube and sheathed tube on be equipped with the scale.

According to the further technical scheme, the pipe cap is connected with the top of the sleeve through threads, and the pipe cap is clamped with the U-shaped groove.

According to a further technical scheme, the inner diameter of the cutting ring drill bit is the same as that of the sampling tube. The outer diameter of the sleeve is the same as the inner diameter of the U-shaped groove. The outer diameter of the connecting rod is the same as that of the sampling tube.

Advantageous effects

Compared with the prior art, the utility model has the advantages of it is as follows showing:

1. the utility model discloses lead to compressed air and provide kinetic energy for pneumatic means, drive tup up-and-down motion, strike the bottom fast, further drive the cutting ring drill bit of sleeve pipe bottom and strike the drilling downwards, carry out sample work, simple structure, easy dismounting, easy operation have reduced the weight of sample thief, convenient the removal.

2. The utility model discloses a set up the relief pressure valve, adjust hammering frequency through adjusting relief pressure valve and tracheal length cooperation, the change equipment is avoided to adaptable various place topography and soil condition.

3. The utility model discloses a sleeve pipe external diameter is unanimous with U-shaped groove internal diameter, stability when guaranteeing the hammering.

4. The utility model discloses an external screw thread portion on sleeve pipe upper portion links to each other with possessing the internal screw thread pipe cap, and the pipe cap imbeds the U-shaped groove again, avoids the external screw thread on sleeve pipe upper portion to receive serious wear because of not having the pipe cap protection during the vibration.

5. The utility model discloses an internal diameter and the sampling tube internal diameter of cutting ring drill bit are unanimous, guarantee that the sampling tube does not drop.

6. The utility model discloses a scale has been carved with in the sleeve pipe and the sampling tube outside, can guarantee the precision of sample according to different sleeve pipes and the sampling tube of chooseing for use different length in-service use place.

7. The utility model discloses an it increases the length of whole sample to overlap connecting rod and sleeve pipe on the sampling tube, has improved the sample volume, has solved the easy broken difficult problem of hole collapse, sample that hand-held type sample thief repeated lifting drilling arouses again.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the structure of the cushioned grip;

FIG. 3 is a schematic view of the structure of the sampling tube;

FIG. 4 is a schematic structural view of a connecting rod;

FIG. 5 is a schematic structural view of the sleeve;

FIG. 6 is an assembly view of the cannula, sampling tube, connector rod;

FIG. 7 is a view a-a' of FIG. 6;

FIG. 8 is a view b-b' of FIG. 6;

fig. 9 is a view c-c' of fig. 6.

The labels in the figure are: 1-a pneumatic device; 2-a shock-absorbing grip; 3-a pressure reducing valve; 4-hammer head; 5-a U-shaped groove; 6-pipe cap; 7-a sleeve; 8-a graduated scale; 9-ring cutter drill bit; 10-a sampling tube; 11-a connecting rod; 12-the trachea; 13-an air compressor; 14-a damping spring; 15-a grip body; 16-a cross-bar; 17-vertical bar.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Examples

As shown in fig. 1, a portable pneumatic soil sampler comprises an air compressor 13, an air pipe 12, a pneumatic device 1, a hammer 4, a U-shaped groove 5, a pipe cap 6, a sampling pipe 10, a connecting rod 11, a cutting ring drill bit 9, a damping handle 2 and at least one sleeve 7; air compressor 13 be connected with pneumatic means 1 through trachea 12, compressed air gets into pneumatic means 1 through trachea 12, shock attenuation handle 2 locate pneumatic means 1's both sides, tup 4 be connected with pneumatic means 1, drive tup 4 through pneumatic means 1 and carry out the up-and-down hammering motion, the bottom of tup 4 be equipped with cylindrical U-shaped groove 5, the top of sleeve pipe 7 be connected with U-shaped groove 5 through pipe cap 6, the bottom and the cutting ring drill bit 9 of sleeve pipe 7 are connected, sampling tube 10 locate sleeve pipe 7's inside.

The sampler still include connecting rod 11, when sampling tube 10 length is not enough, splice a plurality of sleeve pipes 7 in proper order, the top of the sleeve pipe 7 of the top is passed through pipe cap 6 and is connected with U-shaped groove 5, the bottom and the cutting ring drill bit 9 of the sleeve pipe 7 of below are connected, be equipped with sampling tube 10 in the sleeve pipe 7 of below, be equipped with connecting rod 11 in other sleeve pipes 7. The length of the sample is increased by the connecting rod 11.

The air pipe 12 is provided with a pressure reducing valve 3 at a position close to the pneumatic device 1, and the length of the pressure reducing valve 3 and the length of the air pipe 12 can be adjusted to adapt to various site terrains and soil conditions, so that equipment replacement is avoided. The hammer 4 is welded with the pneumatic device 1.

The sleeve 7 is a hollow cylindrical pipe, the top of the sleeve is provided with an external thread, the bottom of the sleeve is provided with an internal thread, and the upper sleeve 7 and the lower sleeve 7 which are adjacent can be connected in sequence.

The cutting ring drill bit 9 is in an inverted frustum shape.

The lower end of the sampling tube 10 is provided with a one-way check valve.

The shock-absorbing grip 2 comprises two parallel cross rods 16, a vertical rod 17 arranged between the two cross rods 16, a grip main body 15 sleeved on the vertical rod 17 and shock-absorbing springs 14 arranged on two sides of the grip main body 15; the two cross rods 16 are I-shaped after being connected with the vertical rods 17, and one end of each cross rod 16 is welded with the side face of the pneumatic device 1.

And the body of the sampling tube 10 and the sleeve 7 is provided with a graduated scale 8.

The pipe cap 6 is connected with the top of the sleeve 7 through threads, and the pipe cap 6 is clamped with the U-shaped groove 5.

The inner diameter of the cutting ring drill bit 9 is the same as that of the sampling tube 10. The outer diameter of the sleeve 7 is the same as the inner diameter of the U-shaped groove 5. The connecting rod 11 has the same outer diameter as the sampling tube 10.

The working process of the utility model is as follows:

the utility model discloses when using, be connected trachea 12's both ends respectively with pneumatic means 1 and air compressor 13 earlier, relief pressure valve 3 is installed and is close to pneumatic means 1 one side at trachea 12, opens air compressor 13 and prepares compressed air for use. When the sampling tube 10 is firstly arranged in the sleeve 7 during the first drilling, the cutting ring drill bit 9 is arranged at the lower end of the sleeve 7, and the tube cap 6 is arranged at the upper end of the sleeve and is embedded in the U-shaped groove 5. After the complete equipment is installed, the air compressor 13 is opened, the pressure reducing valve 3 is adjusted, the pneumatic device 1 is opened for drilling, after the drilling is carried out for a certain depth, the depth is recorded, the pneumatic device 1 is closed and lifted, the sleeve pipe cap 6 is opened, and the sampling pipe 10 with a sample is lifted.

During the second and subsequent drilling, the casing 7 is left in the soil, another new sampling tube 10 is taken and placed in the casing 7, then the casings 7 are sequentially mounted on the original casings, a connecting rod 11 is placed in each casing, and a pipe cap 6 is mounted at the top of the uppermost casing 7. And repeating the drilling work, closing and lifting the pneumatic device 1 after the single drilling is finished, opening the pipe cap 6, and sequentially lifting the connecting rod and the sampling pipe 10 with the sample.

Claims

1. A portable pneumatic soil sampler is characterized by comprising an air compressor, an air pipe, a pneumatic device, a hammer head, a U-shaped groove, a pipe cap, a sampling pipe, a cutting ring drill bit, a damping handle and at least one sleeve pipe; the pneumatic shock absorption device is characterized in that the air compressor is connected with the pneumatic device through an air pipe, the shock absorption handle is arranged on two sides of the pneumatic device, the hammer head is connected with the pneumatic device, the hammer head is driven by the pneumatic device to perform vertical hammering movement, a cylindrical U-shaped groove is formed in the bottom of the hammer head, the top of the sleeve is connected with the U-shaped groove through a pipe cap, the bottom of the sleeve is connected with the cutting ring drill bit, and the sampling pipe is arranged inside the sleeve.

2. The portable pneumatic soil sampler of claim 1, further comprising a connecting rod, wherein when the sampling tube is not long enough, the sleeves are sequentially spliced, the top of the uppermost sleeve is connected with the U-shaped groove through the tube cap, the bottom of the lowermost sleeve is connected with the cutting ring drill bit, the sampling tube is arranged in the lowermost sleeve, and the connecting rod is arranged in the other sleeves.

3. The portable pneumatic soil sampler as recited in claim 1, wherein the air tube is provided with a pressure relief valve adjacent the pneumatic means, and the ram is welded to the pneumatic means.

4. The portable pneumatic soil sampler as claimed in claim 1 or 2, wherein the sleeve is a hollow cylindrical tube having an external thread at the top and an internal thread at the bottom, and the upper and lower adjacent sleeves are connected in series.

5. A portable pneumatic soil sampler as claimed in claim 1 or claim 2 wherein the cutting ring bit is of an inverted truncated cone shape.

6. A portable pneumatic soil sampler as claimed in claim 1 or claim 2 wherein the lower end of the sampling tube is provided with a one-way check valve.

7. The portable pneumatic soil sampler as recited in claim 1 or 2, wherein the shock absorbing grip comprises two parallel cross bars, a vertical bar disposed between the two cross bars, a grip body sleeved on the vertical bar, and shock absorbing springs disposed on both sides of the grip body; the two cross rods are I-shaped after being connected with the vertical rods, and one ends of the cross rods are welded with the side face of the pneumatic device.

8. A portable pneumatic soil sampler as claimed in claim 1 or claim 2 wherein the body of the sampling tube and sleeve is provided with a graduated scale.

9. The portable pneumatic soil sampler of claim 1 or 2 wherein the cap is threadably engaged with the top of the housing and the cap engages the U-shaped channel.

10. A portable pneumatic soil sampler as claimed in claim 1 or claim 2 wherein the inner diameter of the cutting ring bit is the same as the inner diameter of the sampling tube; the outer diameter of the sleeve is the same as the inner diameter of the U-shaped groove; the outer diameter of the connecting rod is the same as that of the sampling tube.