CN218423960U - Laboratory soil sample quartering sieving mechanism - Google Patents

Abstract

The utility model provides a laboratory soil sample quartering sieving mechanism, including inner tube and urceolus, the urceolus suit is at the surface of inner tube, the inner wall axial of inner tube sets up cross quartering backup pad, and cross quartering backup pad is with inner tube bottom quartering, two bottom plates I of inner tube bottom diagonal angle fixed, another diagonal angle in bottom of inner tube sets up two hourglass soil hole A, urceolus bottom PMKD II, the inner wall integrated into one piece of cross quartering backup pad and inner tube, set up at least one hourglass soil hole B on the bottom plate II of urceolus bottom, it is fan-shaped through the centre of a circle and lie in on the diameter line to leak soil hole B, sectorial angular arc is less than 90, makes to leak soil hole B and is located the below of leaking soil hole A through rotatory urceolus. The outer barrel is provided with a boss on a bottom plate II corresponding to the inner barrel soil leakage hole A, the boss extends into the soil leakage hole A, and the thickness of the boss is equal to that of the bottom plate I of the inner barrel. The cross four-division support plate which is integrally formed with the inner cylinder wall is arranged on the inner cylinder wall, so that the cylinder wall can be made of thinner materials; at least one fan-shaped soil leakage hole which passes through the circle center and is positioned on the diameter line and is smaller than 90 degrees is arranged at the bottom of the outer cylinder, so that gaps are avoided, soil is leaked downwards, and errors are generated. The lug boss is arranged on the bottom plate of the outer cylinder, so that the error of the sampling soil amount caused by the different heights of the bottom plates of the inner cylinder and the outer cylinder can be reduced.

Description

Laboratory soil sample quartering sieving mechanism

Technical Field

The utility model belongs to the technical field of the soil screening, concretely relates to laboratory soil sample quartering sieving mechanism.

Background

Soil sample quartering sieving mechanism is a soil sample sieving mechanism that laboratory was commonly used, discloses a sampling instrument of soil detection quartering sampling method among the prior art (CN 212988833), including sampler barrel and drum, the drum is inserted in the inside of sampler barrel, and the outer lane of drum is attached at the inner wall surface of sampler barrel, the inside vertical riser that is fixed with of drum, and the inside of drum transversely is fixed with the diaphragm, and riser and diaphragm are connected at the intermediate position of drum, and the upper left corner of riser and diaphragm and the outer wall of lower right corner all are fixed with the baffle, and the baffle is two, and the four corners of drum all is fixed with the fixture block, and fixture block slidable arranges in the draw-in groove that the inside four corners of sampler barrel was seted up in, the junction of riser and diaphragm is fixed with the lug, and the lug is two, and two lugs distribute between the baffle. However, the clamping grooves formed in four corners inside the sampling cylinder certainly thicken the cylinder wall, so that the material of the cylinder wall cannot use thin-wall materials, the materials are wasted even if the cylinder wall is subjected to injection molding, and meanwhile, a processing mold is complex. In addition, the fixed lug that sets up in the junction of riser and diaphragm has occupied the space that soil stored, has increased the error of sample soil volume.

Disclosure of Invention

The utility model aims to solve the technical problem that the draw-in groove is seted up to the urceolus inner wall of a sampling section of thick bamboo among the prior art, and the urceolus wall thickness will be greater than the degree of depth of draw-in groove, just makes section of thick bamboo wall very thick, if injection moulding, mold processing is also complicated. During the small opening of the quarter bottom plate shutoff inner tube bottom quarter of urceolus bottom, can seal up in theory, can have the error in practice, should hug closely stoutly under the normal condition, but if the material is softer, it leads to leaking soil to form the seam more easily, influences the precision. The lug between the riser has occupied the certain space that soil was stored, can increase the error of sample soil volume.

In order to solve the technical problem, the utility model provides a laboratory soil sample quartering screening device, wherein a cross quartering support plate which is integrally formed with the inner cylinder wall is arranged on the inner cylinder wall, so that the cylinder wall can be made of thinner materials; at least one fan-shaped soil leakage hole which passes through the circle center and is positioned on the radial line and is smaller than 90 degrees is arranged at the bottom of the outer cylinder, so that gaps are avoided, soil is prevented from leaking downwards, and errors are generated. The lug boss is arranged on the outer barrel bottom plate, so that the error of the sampling soil amount caused by the height difference of the inner barrel bottom plate and the outer barrel bottom plate can be reduced.

The purpose of the utility model is realized through the following technical scheme.

The utility model provides a laboratory soil sample quartering sieving mechanism, includes inner tube and urceolus, and the urceolus suit is at the surface of inner tube, the inner wall axial of inner tube sets up cross quartering backup pad, cross quartering backup pad with inner tube bottom quartering, two bottom plates I are fixed to inner tube bottom diagonal angle, another diagonal angle in bottom of inner tube sets up two hourglass soil hole A, urceolus bottom PMKD II, the inner wall integrated into one piece of cross quartering backup pad and inner tube, set up at least one hourglass soil hole B on the bottom plate II of urceolus bottom, it is through the centre of a circle and be located the fan-shaped on the diameter line to leak soil hole B, sectorial angular arc degree is less than 90, makes to leak soil hole B can be located the below of leaking soil hole A through rotatory urceolus.

The height of the cross four-division support plate is the same as the depth of the inner cylinder, namely the upper end of the cross four-division support plate is flush with the opening of the inner cylinder.

Set up the boss on the bottom plate II that corresponds with inner tube earth leakage hole A of urceolus, the boss stretches into earth leakage hole A, and the thickness of boss equals I thickness of bottom plate of inner tube.

The boss is provided with slopes along two edges of the radial edge.

And alignment lines M are arranged at the fan-shaped middle positions of the outer wall of the outer barrel and the soil leakage hole B, and alignment lines N are arranged at the fan-shaped middle positions of the outer wall of the inner barrel and the bottom plate I.

Compared with the prior art, the beneficial effects of the utility model are that: the crossed four-divided support is fixed with the inner cylinder wall, and a bump is not required to be fixed at the bottom connection part of the vertical plate and the transverse plate by integral forming, so that the test error is reduced; because there is not the draw-in groove, the urceolus wall is supported by the inner tube wall, still can make the urceolus wall use very thin material, the mould of preparation simultaneously is also simple, just can be with the interior urceolus wall of plastics preparation with save material, because the hourglass soil hole of urceolus bottom is less than 90, in fact 30 ~40 can satisfy the needs of leaking soil, the bottom plate of the hourglass soil hole below of inner tube bottom like this will be greater than 90, therefore the bottom plate of urceolus is greater than the hourglass soil hole of inner tube bottom, just can stop up the hourglass soil hole of inner tube bottom completely, it can produce the gap to avoid the hourglass soil hole of inner tube bottom and the bottom plate of urceolus below all to be 90 when, make soil leak down, produce the error. The outer barrel bottom leaks the soil hole and has two among the prior art, sets up one in fact and also can accomplish the needs that leak soil, and the hourglass soil hole of outer barrel bottom sets up when one, can leak an inner tube earlier and leak soil on the soil hole space, then turns to the diagonal angle and goes to leak the soil on the other one leaks the soil hole space, sets up two certainly and leaks soil hole and can leak soil simultaneously.

Drawings

Figure 1 is the utility model discloses soil sample quartering sieving mechanism's overall structure schematic diagram.

Fig. 2 is the utility model discloses the structure schematic diagram of soil sample quartering sieving mechanism's inner tube bottom.

Fig. 3 is a schematic structural view of the bottom of the outer cylinder of the soil sample four-division screening device of the present invention.

In the figure, 1 is an inner cylinder, 11 is a soil leakage hole A,12 is a front edge O of the soil leakage hole A, 13 is a P of a rear edge soil leakage hole A, 2 is an outer cylinder, 21 is a soil leakage hole B,22 is a front edge X of the soil leakage hole B, 23 is a rear edge Y of the soil leakage hole B, 3 is a crisscross four-division support plate, 4 is a bottom plate I, 5 is a bottom plate II, 6 is a boss, 7 is a slope, 8 is an alignment line M, and 9 is an alignment line N.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that the following examples are illustrative only and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 3, the laboratory soil sample quartering screening device comprises an inner cylinder 1 and an outer cylinder 2, wherein the outer cylinder 2 is sleeved on the outer surface of the inner cylinder 1, the inner surface of the outer cylinder 2 is in contact with the outer surface of the inner cylinder 1, but the inner cylinder 1 and the outer cylinder 2 can rotate relatively. The inner wall of the inner cylinder 1 is axially provided with a cross four-division support plate 3, and two adjacent plates of the cross four-division support plate 3 are mutually vertical and pass through the center of a circle to equally divide the bottom of the inner cylinder 1 into four parts. The crossed four-divided supporting plate 3 is fixed with the inner wall of the inner barrel 1, and is integrally formed, so that a convex block does not need to be fixed at the bottom connecting part of the vertical plate and the transverse plate, and the test error is reduced; because the cylinder wall of the outer cylinder 2 is not provided with the clamping groove and the cylinder wall of the outer cylinder 2 is supported by the cylinder wall of the inner cylinder 1, the cylinder wall of the outer cylinder 2 does not need to bear too large force, the cylinder wall of the outer cylinder 2 is very thin, and a manufactured die is simple. Meanwhile, the cylinder walls of the inner cylinder 1 and the outer cylinder 2 and the crossed four-quarter support plates 3 can be manufactured by plastic injection molding so as to save materials; or made of iron sheet, and the crossed four-quarter support plate 3 is fixed on the wall of the inner cylinder 1 in a welding mode.

Two bottom plates I4 are fixed to the bottom diagonal of inner tube 1, and two earth leakage holes A11 are arranged in the other bottom diagonal of inner tube 1. The bottom diagonal angle of inner tube 1 sets up bottom plate I4, can make half of soil sample leak down, and half remains, and the diagonal angle sample of borrowing can make the sample more even. The bottom of urceolus 2 is fixed bottom plate II 5, sets up at least one on the bottom plate II 5 of urceolus 2 bottom and leaks native hole B21, leaks native hole B21 and is for passing through the centre of a circle and be located the fan-shaped on the radial line, fan-shaped angular arc degree is less than 90, and the needs that leak native can be satisfied to 30 ~40 in fact, and the bottom plate II 5 of leaking native hole A11 below of inner tube 1 bottom will be greater than 90 like this, and consequently the bottom plate II 5 of urceolus 2 is greater than the hourglass native hole A11 of inner tube 1 bottom, just can block up the hourglass native hole A11 of inner tube 1 bottom completely, avoids leaking the native hole A of inner tube 1 bottom and the bottom plate II 5 of its below 2 all to produce the gap when being 90, makes soil leak down, produces the error. The outer barrel 2 is sleeved on the outer surface of the inner barrel 1, the bottom plate II 5 of the outer barrel 2 completely blocks the soil leakage hole A at the bottom of the inner barrel 1, soil samples are added into four spaces of the inner barrel 1, which are quartered by the cross four-section supporting plate 3, and the soil samples in the four spaces are positioned on the same plane. By rotating the outer cylinder 2 so that the soil leakage hole B21 is positioned below the soil leakage hole a11, the soil sample can leak out.

The height of the cross four-way supporting plate 3 is the same as the depth of the inner cylinder 1, namely the upper end of the cross four-way supporting plate 3 is flush with the opening of the inner cylinder 1. Therefore, the soil is screeded after the inner cylinder 1 is fully screened, and the same soil sample amount in the four spaces can be ensured.

A boss 6 is arranged on a bottom plate II 5 of the outer cylinder 2 corresponding to the soil leakage hole A11 of the inner cylinder 1, and the boss 6 extends into the soil leakage hole A11. Because the soil in the space of the two soil leaking holes A11 of the inner cylinder 1 is directly leaked on the bottom plate II 5 of the outer cylinder 2, and the soil samples in the two quarter spaces at the other diagonal of the inner cylinder 1 are on the bottom plate I4 of the inner cylinder 1, the soil in the two diagonal spaces has the height difference of the bottom plate I4 of the inner cylinder 1. The thickness of the boss 6 is set to be equal to the thickness of the base plate I4 of the inner barrel 1, so that the height difference between the base plate II 5 of the outer barrel 2 and the base plate I4 of the inner barrel 1 is avoided, the upper surface of the boss 6 and the upper surface of the base plate I4 of the inner barrel 1 can be positioned on the same plane, the four soil samples of the inner barrel 1 which are quartered are equal in quantity, and the experimental error is reduced.

Because the boss 6 at the bottom of the outer cylinder 2 extends into the soil leakage hole A11 at the bottom of the inner cylinder 1, when the outer cylinder 2 is to be rotated, the boss 6 at the bottom of the outer cylinder 2 is easily blocked by the edge of the bottom plate I4 of the inner cylinder 1, which is inconvenient for the rotation of the outer cylinder 2, and therefore, the bosses 6 are provided with the slopes 7 along two edges of the radial edge. The slope 7 is arranged to easily rotate the outer cylinder 2 and easily buckle the boss 6 of the outer cylinder 2 into the soil leakage hole A11 of the inner cylinder 1, so that the device is more convenient to use.

The outer surface process of sleeving outer cylinder 2 on inner cylinder 1 needs to look at boss 6 at the bottom of outer cylinder 2 and soil leakage hole A11 at the bottom of inner cylinder 1, deviation easily occurs, and boss 6 is inconvenient to be buckled into soil leakage hole A11 at a time, so that alignment line M8 is arranged at the outer wall of outer cylinder 2 and the fan-shaped middle position of soil leakage hole B21, and alignment line N9 is arranged at the outer wall of inner cylinder 1 and the fan-shaped middle position of bottom plate I4. When the outer cylinder 2 is sleeved on the outer surface of the inner cylinder 1, the alignment line M8 on the outer cylinder 2 is aligned with the alignment line N9 of the inner cylinder 1, so that the boss 6 of the outer cylinder 2 can be quickly buckled into the soil leakage hole A11 of the inner cylinder 1, and the device is more convenient to use.

The utility model discloses a working process does: jiacang ancient site located in northwest of old city of LuoyangIn recent years, due to the change of the temperature and the humidity of the external environment, the partial surface area of the earthen site of No. 160 silo has the deterioration phenomena of cracks, whitening, sandy soil and crisp powder falling off caused by salt damage. The analysis and research on the harmful salts have important significance for effectively protecting the cellar site containing Jiacang No. 160. In the experiment, salt damage areas with whitened surfaces in east, west, south and north 4 directions of the bottom of a cellar containing No. 160 Jiacano are subjected to field sample collection, numbering and sealing and then are brought back to a laboratory. After taking the laboratory back in, utilize the laboratory soil sample quartering sieving mechanism of this application to carry out the quartering sample, 2 suits of urceolus are the surface at inner tube 1 earlier, rotatory urceolus 2, aim at alignment line M8 on the urceolus 2 and alignment line N9 of inner tube 1, detain the hourglass soil hole A11 of inner tube 1 with boss 6 of urceolus 2 (of course, if do not set up the boss and do not carry out this operation), will contain storehouse cellar for storing things the cellar for storing things bottom east of storehouse 160 with the screen cloth in four spaces of urceolus 1 by cross quartering backup pad 3 quartering, west, south, the soil sample that the salt damage region of north 4 position surperficial whitening carries out the scene and get simultaneously sieves into four spaces with the sieve that is greater than 1 barrel mouth of inner tube, can guarantee like this that the soil sample in four spaces is in the coplanar. The height of the crossed four-division support plate 3 can be the same as the depth of the inner cylinder 1, so that the soil sample in four spaces can be ensured to be the same by scraping after the inner cylinder 1 is fully screened, when a soil leaking hole B21 is formed in the bottom of the outer cylinder 2, the outer cylinder 2 is rotated, the soil leaking hole B21 is placed below one soil leaking hole A11 of the inner cylinder 1, when the front edge X22 of the soil leaking hole B21 in the bottom of the outer cylinder 2 is aligned with the rear edge P13 of the soil leaking hole A11 in the bottom of the inner cylinder 1, soil leaking is started, when the rear edge Y23 of the soil leaking hole B21 in the bottom of the outer cylinder 2 is aligned with the rear edge P13 of the soil leaking hole A11 in the bottom of the inner cylinder 1, the outer cylinder 2 is stopped to leak soil in the space above the soil leaking hole A11, when the soil does not leak, the outer cylinder 2 is continuously rotated, and when the front edge X22 of the soil leaking hole B21 is aligned with the front edge O12 of the front edge of the soil leaking hole A11, the outer cylinder 2 is stopped to rotate the outer cylinder 2, and the soil leaking hole A11 is leaked, and all soil in the space above the soil leaking hole A11 can leak. When the soil sample of one soil leakage hole A11 of the inner cylinder 1 is completely leaked, the outer cylinder 2 is rotated to place the soil leakage hole B below the other soil leakage hole A11 of the inner cylinder 1, and the soil sample of the other corner of the inner cylinder 1 is completely leaked. At this time, of the inner cylinder 1And one half of the soil sample at the opposite angle can be sampled. When two soil leakage holes B21 are arranged at the opposite corners of the bottom of the outer cylinder 2, the outer cylinder 2 is rotated, the two soil leakage holes B21 at the bottom of the outer cylinder 2 are respectively arranged below the two soil leakage holes A11 of the inner cylinder 1, and soil samples at the opposite corners in the inner cylinder 1 can be completely leaked out at the same time. After the laboratory soil sample quartering screening device is used for sampling, the water content and the pH value of the soil sample are measured, and X-ray fluorescence spectrum (XRF) analysis, scanning Electron Microscope (SEM) observation analysis, X-ray diffraction (XRD) analysis and Ion Chromatography (IC) analysis are carried out. According to the detection and analysis of the taken soil sample, the soil containing the disease area at the bottom of the Jiacang No. 160 storehouse pit is acidic saline soil Na ₂ SO ₄ And NaCl, which are found in the samples, and in addition to that, it contains a small amount of nitrate and slightly soluble salts CaSO ₄ . Wherein Na ₂ SO ₄ The salt content is high, which is one of the main reasons for causing the surface of the ancient ruined site to be crisp, fall off and whitened, and has great threat to the safety of the ancient ruined site, so that effective desalting and protection measures need to be taken for the salt damage area containing the Jiacang.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides a laboratory soil sample quartering sieving mechanism, includes inner tube and urceolus, and the urceolus suit is at the surface of inner tube, the inner wall axial of inner tube sets up the cross quartering backup pad, and the cross quartering backup pad is with inner tube bottom quartering, two bottom plates I are fixed to inner tube bottom diagonal angle, another diagonal angle in bottom of inner tube sets up two hourglass soil hole A, urceolus bottom PMKD II, its characterized in that, the cross quartering backup pad is fixed with the inner tube, set up at least one hourglass soil hole B on the bottom plate II of urceolus bottom, it is the fan-shaped that is located the footpath through the centre of a circle and on the line to leak soil hole B, fan-shaped angular arc degree is less than 90, makes to leak soil hole B can be located the below of leaking soil hole A through rotatory urceolus.

2. The laboratory soil sample quartering screening apparatus according to claim 1, wherein said crisscross quartering support plate has a height equal to the depth of the inner cylinder, that is, the upper end of crisscross quartering support plate is flush with the opening of the inner cylinder.

3. The laboratory soil sample quartering screening device according to claim 1, wherein a boss is provided on a bottom plate ii of the outer cylinder corresponding to the inner cylinder soil leakage hole a, the boss extends into the soil leakage hole a, and the thickness of the boss is equal to the thickness of the bottom plate i of the inner cylinder.

4. The laboratory soil specimen quarter screening apparatus of claim 3, wherein said projection is sloped along both edges of the radial edge.

5. The laboratory soil sample quartering screening apparatus according to claim 4, wherein an alignment line M is provided at a middle position of a sector of the outer wall of the outer cylinder and the soil leaking hole B, and an alignment line N is provided at a middle position of a sector of the outer wall of the inner cylinder and the bottom plate I.

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