阅读说明：本技术 一种盐碱地树木种植用土质改良方法 (Soil quality improvement method for tree planting in saline-alkali soil ) 是由 刘凤 于 2020-12-11 设计创作，主要内容包括：本发明公开了一种盐碱地树木种植用土质改良方法,属于土质改良技术领域,可以实现在土质改良后可顺利形成客土层、原位土层、防升水层、防渗层,客土层可为土壤提供充足的养分、良好的生长环境,原位土层可降低原有土壤的浪费、降低客土的使用,防升水层可防止地下水中的盐分离子破坏客土层、原位土层,防渗水层可防止周围土壤中的盐分离子破坏客土层、原位土层,进而有效避免土壤二次退化,从而显著提高改良效果,且改良造坑组件的设置,可有效减少客土、改良剂、粗碎石等资源的使用,进而节约成本,提高环保性能,并通过拔筒驱动架的设置,可在不破坏各个土层的前提下,将改良造坑筒取出,提高了实用性。(The invention discloses a soil quality improving method for tree planting in saline-alkali soil, belonging to the technical field of soil quality improvement, which can realize that a guest soil layer, an in-situ soil layer, a water-lifting-prevention layer and an anti-seepage layer can be smoothly formed after soil quality improvement, wherein the guest soil layer can provide sufficient nutrients for soil and a good growing environment, the in-situ soil layer can reduce the waste of original soil and reduce the use of guest soil, the water-lifting-prevention layer can prevent salt separating seeds in underground water from damaging the guest soil layer and the in-situ soil layer, and the anti-seepage layer can prevent the salt separating seeds in surrounding soil from damaging the guest soil layer and the in-situ soil layer, thereby effectively avoiding secondary soil degradation, obviously improving the improvement effect, improving the arrangement of pit-making components, effectively reducing the use of resources such as guest soil, modifying agents, coarse gravels and the like, further saving the cost and improving the environmental protection performance, and under the premise of not damaging, the improved pit making barrel is taken out, and the practicability is improved.)

1. A soil property improving method for tree planting in saline-alkali soil is characterized by comprising the following steps: the method comprises the following steps:

s1, digging out original soil, and enabling the shape and size of a pit hole formed after digging out the original soil to be matched with the improved pit making barrel in the improved pit making assembly;

s2, using a corresponding soil conditioner to improve the original soil dug out in the part S1, and then reserving the soil for later use;

s3, placing the improved pit making assembly into the pit hole formed in the S1, throwing coarse gravel into the inner side of the soil fixing net (102), and forming an anti-lifting drainage layer with the thickness of 25-35 cm at the bottom end structure of the inner side of the soil fixing net (102);

s4, throwing the improved original soil in the S2 to the inner side of the soil fixing net (102), and constructing and forming an in-situ soil layer with the thickness of 35-40 cm above the anti-lifting drainage layer;

s5, throwing foreign soil with low volume weight, high porosity and added organic media into the inner side of the soil stabilization net (102) to construct and form a foreign soil layer with the thickness of 50-60 cm;

s6, manually watering a small amount of soil for multiple times to integrate the soil in different layers;

s7, the improved pit making barrel is taken out of the soil pit through the barrel pulling driving frame, and hydrophobic filler is put into an annular pit formed after the improved pit making barrel is taken out, namely the outer side of the soil fixing net (102), and the hydrophobic filler is compacted to form an impermeable layer.

2. The soil property improving method for tree planting in saline-alkali soil according to claim 1, characterized in that: the low volume weight in S5 means that the volume weight value is 1.3-1.5 Mg/m³In the method, the high porosity means that the internal pores of the soil account for 15 to 25 percent of the volume of the soil body, and the weight of the organic medium does not exceed 15 percent of the weight of the soil.

3. The soil property improving method for tree planting in saline-alkali soil according to claim 1, characterized in that: the hydrophobic filler in the S7 is prepared by grinding and crushing a hydrophobic material, and the particle size of the hydrophobic filler is 20-30 microns.

4. The soil property improving method for tree planting in saline-alkali soil according to claim 1, characterized in that: the improved pit making assembly comprises an improved pit making barrel, the improved pit making barrel consists of two half barrel bodies (101) which are symmetrically arranged in a separated mode, and the improved pit making barrel is in a circular truncated cone shape.

5. The soil property improving method for tree planting in saline-alkali soil according to claim 4, characterized in that: the improved pit making barrel is internally and slidably connected with a soil fixing net (102) matched with the improved pit making barrel, and a plurality of anti-moving reinforcing ribs (103) are fixedly connected to the inner walls of the two sides of the soil fixing net (102).

6. The soil property improving method for tree planting in saline-alkali soil according to claim 4, characterized in that: the top end of the semi-cylinder body (101) is fixedly connected with a connecting hanging ring (104).

7. The soil property improving method for tree planting in saline-alkali soil according to claim 1, characterized in that: the tube drawing driving frame comprises a supporting base (201), a supporting vertical rod (202) is fixedly connected to the top end of the supporting base (201), a fixed top plate (203) is fixedly connected to the top end of the supporting vertical rod (202), a U-shaped winding seat (204) is fixedly connected to the top end of the fixed top plate (203), a steel cable winding tube (205) is arranged on the inner side of the winding seat (204), a driving motor (207) is fixedly installed on the outer side of the winding seat (204), connecting rotating shafts (206) are fixedly connected to both ends of the steel cable winding tube (205), one of the connecting rotating shafts (206) is rotatably connected with the inner wall of the winding seat (204) through a bearing, the other connecting rotating shaft (206) penetrates through the outer wall of the winding seat (204) and is fixedly connected with the output end of the driving motor (207), and a tube drawing steel cable (208) is wound on the outer wall of the steel cable, the top fixedly connected with fixed pulley (209) of fixed roof (203), support montant (202) through dead lever (210) fixedly connected with deflector (211), one side fixedly connected with two and a section of thick bamboo cable wire (208) assorted uide bushing (212) of dead lever (210) are kept away from in deflector (211), one end fixedly connected with connection couple (213) of cable wire receipts section of thick bamboo (205) are kept away from in a section of thick bamboo cable wire (208).

8. The soil property improving method for tree planting in saline-alkali soil according to claim 7, characterized in that: deflector (211) slope sets up, and the inclination and the half barrel (101) phase-match of deflector (211), pull out a section of thick bamboo cable wire (208) and be connected with fixed pulley (209) transmission, and pull out a section of thick bamboo cable wire (208) and run through two guide sleeve (212) in proper order.

9. The soil property improving method for tree planting in saline-alkali soil according to claim 7, characterized in that: one side of the supporting vertical rod (202) is fixedly connected with a standby hanging ring (214), and the standby hanging ring (214) is arranged below the fixing rod (210).

10. The soil property improving method for tree planting in saline-alkali soil according to claim 7, characterized in that: the outer wall of the supporting vertical rod (202) is fixedly connected with two groups of reinforcing inclined rods, and one ends, far away from the supporting vertical rod (202), of the two groups of reinforcing inclined rods are fixedly connected with the supporting base (201) and the fixed top plate (203) respectively.

Technical Field

The invention relates to the technical field of soil property improvement, in particular to a soil property improvement method for tree planting in saline-alkali soil.

Background

The salinization causes the physical and chemical properties of soil to be poor, which is mainly reflected in that the salt content and pH value of the soil are increased, the organic matter content of the soil is relatively reduced, the nutrient supply condition is poor, the activity of soil microorganisms is inhibited, the root system of crops is difficult to absorb water and nutrient substances put into fertilizers, physiological drought and nutrient deficiency are caused, the growth and development of the crops are inhibited by salt damage, and therefore negative influence is generated on the growth of the crops, the seedling shortage of the crops planted in saline soil, the reduction of the growth of the plants, and even the dead production are caused.

Soil property improvement is also called foundation treatment, and is artificially used for improving certain properties of natural soil by physical, chemical and other methods. The soil property improvement can improve the shear strength of the soil, improve the water physical property of the soil, prevent the soil from vibrating and liquefying, and the like. Some of the composite foundations can be made to meet engineering requirements. Due to poor physical and chemical properties of saline-alkali soil, the saline-alkali soil needs to be improved in order to enable trees to grow better when trees are planted in the saline-alkali soil.

The soil property improving method in the prior art comprises the following steps: the method comprises a soil-mining method, a method for adding a modifier, a method for applying an organic substance and the like, but the existing methods are difficult to avoid the problem of secondary soil degradation, particularly for the improvement of saline-alkali soil, underground water can still rise into the improved soil through capillary pores, and salt segregants in the underground water can cause the secondary soil degradation. In order to solve the problem that the improved saline-alkali soil can be degraded secondarily, a soil quality improvement method for tree planting in the saline-alkali soil is provided.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a soil property improving method for tree planting in saline-alkali soil, which can realize that a guest soil layer, an in-situ soil layer, a water lifting prevention layer and an impermeable layer can be smoothly formed after soil property is improved by improving the arrangement of a pit making component, the guest soil layer can provide sufficient nutrients for the soil and a good growing environment, the in-situ soil layer can reduce the waste of the original soil and reduce the use of the guest soil, thereby saving the cost and improving the environmental protection performance, the water lifting prevention layer can prevent salt separators in underground water from damaging the guest soil layer and the in-situ soil layer, the impermeable layer can prevent the salt separators in the surrounding soil from damaging the guest soil layer and the in-situ soil layer, further effectively avoiding the secondary degradation of the soil, thereby obviously improving the improving effect, and the arrangement of the pit making component can effectively reduce the use of resources such as the guest soil, the modifying, and then practice thrift the cost, improve the feature of environmental protection to through the setting of pulling out a section of thick bamboo carriage of driving, can make a hole section of thick bamboo take out with the improvement on the premise of not destroying each soil layer, improved the practicality.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A soil property improvement method for tree planting in saline-alkali soil comprises the following steps:

s1, digging out original soil, and enabling the shape and size of a pit hole formed after digging out the original soil to be matched with the improved pit making barrel in the improved pit making assembly;

s2, using a corresponding soil conditioner to improve the original soil dug out in the part S1, and then reserving the soil for later use;

s3, placing the improved pit making assembly into the pit hole formed in the S1, throwing coarse gravel into the inner side of the soil fixing net, and forming an anti-lifting drainage layer with the thickness of 25-35 cm at the bottom end of the inner side of the soil fixing net;

s4, throwing the improved original soil in the S2 to the inner side of the soil fixing net, and constructing and forming an in-situ soil layer with the thickness of 35-40 cm above the anti-lifting drainage layer;

s5, throwing foreign soil with low volume weight, high porosity and added organic media into the soil stabilization net to construct and form a foreign soil layer with the thickness of 50-60 cm;

s6, manually watering a small amount of soil for multiple times to integrate the soil in different layers;

s7, the improved pit making barrel is taken out of the soil pit through the barrel pulling driving frame, and hydrophobic filler is put into an annular pit formed after the improved pit making barrel is taken out, namely the outer side of the soil fixing net, and the hydrophobic filler is compacted to form an impermeable layer.

Further, the low volume weight in S5 means that the volume weight value is 1.3-1.5 Mg/m³The high porosity means that the internal pores of the soil account for 15-25% of the volume of the soil body, the weight of the organic medium does not exceed 15% of the weight of the soil, trees are directly planted in the guest soil layer after the soil quality is improved through the setting of the guest soil layer, the volume weight value and the porosity of the guest soil layer are set, andthe addition of the machine medium enables the guest soil layer to provide sufficient nutrients for the trees and a good growing soil environment.

Furthermore, the hydrophobic filler in the S7 is prepared by grinding and crushing a hydrophobic material, the impermeable layer is arranged, so that water with salt ions in surrounding side soil can be prevented from permeating into the guest soil layer and the original soil layer to damage the guest soil layer and the original soil layer, secondary degradation of the soil is avoided, and the granularity of the hydrophobic filler is 20-30 microns, so that the impermeable layer is more compact, and the impermeable performance of the impermeable layer is improved.

Further, a hole section of thick bamboo is made including the improvement to the improvement, a hole section of thick bamboo is made in the improvement comprises two half barrel bodies that divide the symmetry to set up, a hole section of thick bamboo is made to the improvement and is set up to the round platform form, will improve and make a hole section of thick bamboo split become two half barrel bodies, can be convenient for the improvement make taking out of a hole section of thick bamboo, the improvement make a hole section of thick bamboo set up to the round platform form, can effectively reduce the use of resources such as foreign soil, modifier, coarse rubble under the prerequisite of guaranteeing the improvement effect, and then practice thrift the cost, improve the feature.

Furthermore, a hole section of thick bamboo sliding connection is made with the improvement and a hole section of thick bamboo assorted solidus soil net is made to the improvement, all fixedly connected with on the inner wall of solidus soil net both sides prevents moving a plurality of reinforcement muscle, and the setting of solidus soil net can prevent to take out when a hole section of thick bamboo is made in the improvement, and each soil layer takes place to collapse, prevents moving reinforcement muscle's setting, can prevent that solidus soil net from taking place to remove along with half barrel.

Furthermore, the top end of the semi-cylinder body is fixedly connected with a connecting hanging ring, and the connecting hanging ring is arranged, so that the semi-cylinder body can be conveniently connected with the cylinder pulling driving frame, and the pit making cylinder can be conveniently taken out through improvement.

Further, the cylinder pulling driving frame comprises a supporting base, a supporting vertical rod is fixedly connected to the top end of the supporting base, a fixed top plate is fixedly connected to the top end of the supporting vertical rod, a U-shaped rolling seat is fixedly connected to the top end of the fixed top plate, a steel cable rolling cylinder is arranged on the inner side of the rolling seat, a driving motor is fixedly mounted on the outer side of the rolling seat, connecting rotating shafts are fixedly connected to two ends of the steel cable rolling cylinder, one of the connecting rotating shafts is rotatably connected to the inner wall of the rolling seat through a bearing, the other connecting rotating shaft penetrates through the outer wall of the rolling seat and is fixedly connected to the output end of the driving motor, a cylinder pulling steel cable is wound on the outer wall of the steel cable rolling cylinder, a fixed pulley is fixedly connected to the top end of the fixed top plate, a guide plate is fixedly connected to the supporting vertical rod through a fixed rod, and two guide sleeves, one end of the pulling steel cable far away from the steel cable winding drum is fixedly connected with a connecting hook.

Further, the deflector slope sets up, and the inclination and the semi-cylinder body phase-match of deflector, pull out a steel cable and be connected with the fixed pulley transmission, and pull out a steel cable and run through two uide bushing in proper order, through the setting of pulling out a section of thick bamboo drive frame, when taking out the improvement and making a hole section of thick bamboo, can hang on the connection link of one of them semi-cylinder body with the hookup earlier, then start driving motor, carry out the rolling to pulling out a steel cable, make semi-cylinder body along assorted inclination, the slope rises until breaking away from the soil layer, unreel the steel cable to the pulling out a section of thick bamboo and reset the back, another semi-cylinder body is taken out to the accessible same operation, thereby under the antecedent that does not destroy each soil.

Further, one side fixedly connected with standby link of support montant, the standby link sets up in the below of dead lever, under the standby state, can hang the couple on standby link, and then the placing of the couple of being convenient for.

Furthermore, two sets of reinforcing diagonal rods are fixedly connected to the outer wall of the supporting vertical rod, one ends, far away from the supporting vertical rod, of the two sets of reinforcing diagonal rods are fixedly connected with the supporting base and the fixed top plate respectively, and the reinforcing diagonal rods can reinforce the connection between the supporting vertical rod and the supporting base and the fixed top plate, so that the stability is improved.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) the scheme can smoothly form a guest soil layer, an in-situ soil layer, a water lifting prevention layer and an impermeable layer after soil quality improvement by improving the arrangement of the pit making assembly, the guest soil layer can provide sufficient nutrients for soil and a good growth environment, the in-situ soil layer can reduce the waste of original soil and reduce the use of guest soil, thereby saving cost and improving environmental protection performance, the water lifting prevention layer can prevent salt ions in underground water from damaging the guest soil layer and the in-situ soil layer, the impermeable layer can prevent the salt ions in surrounding soil from damaging the guest soil layer and the in-situ soil layer, further effectively avoiding secondary degradation of the soil, further obviously improving improvement effect, the arrangement of the pit making assembly is improved, the use of resources such as guest soil, modifying agent, coarse rubble and the like can be effectively reduced, further saving cost and improving environmental protection performance, and on the premise of not damaging each soil layer through the arrangement of the cylinder pulling driving frame, the improved pit making barrel is taken out, and the practicability is improved.

(2) Through the arrangement of the guest soil layer, after the soil quality is improved, trees are directly planted in the guest soil layer, through the arrangement of the guest soil layer bulk density value and the porosity and the addition of an organic medium, the guest soil layer can provide sufficient nutrients for the trees and a good growing soil environment, through the arrangement of the in-situ soil layer, the original soil can be reutilized on the premise of not influencing the growth of the trees, on one hand, the waste of the original soil can be reduced, on the other hand, the use of the guest soil can be reduced, thereby saving the cost and improving the environmental protection performance, through the arrangement of the anti-lifting drainage layer, as the anti-lifting drainage layer is formed by coarse gravels, the holes among the gravels are large, therefore, underground water cannot rise into the guest soil layer and the in-situ soil layer through capillary holes, the harm of salt separators in the sewage to the improved soil can be avoided, and further, the secondary degradation of the soil can be, the impermeable layer is arranged, so that the soil layer and the original soil layer can be prevented from being damaged by water with salt ions in the surrounding side soil permeating into the guest soil layer and the original soil layer, secondary degradation of the soil is avoided, the granularity of the hydrophobic filler is 20-30 mu m, the impermeable layer is more compact, and the impermeable performance of the impermeable layer is improved.

(3) The improved pit making barrel is split into two half barrels, so that the pit making barrel can be conveniently taken out, the improved pit making barrel is arranged to be in a round table shape, the use of resources such as foreign soil, modifying agents and coarse crushed stones can be effectively reduced on the premise of ensuring the improvement effect, the cost is saved, and the environmental protection performance is improved.

(4) The arrangement of the soil fixing net can prevent each soil layer from collapsing when the pit barrel is manufactured by taking out improvement, and the arrangement of the anti-moving reinforcing ribs can prevent the soil fixing net from moving along with the half barrel body.

(5) The arrangement of the connecting hanging ring can facilitate the connection between the semi-cylinder body and the cylinder pulling driving frame, thereby facilitating the improvement of taking out the pit making cylinder.

(6) Through the setting of pulling out a section of thick bamboo carriage, when taking out the improvement and making a hole section of thick bamboo, can hang on the connection link of one of them semi-barrel with the hookup earlier, then start driving motor, carry out the rolling to pulling out a section of thick bamboo cable wire, make semi-barrel along assorted inclination, the slope rises until breaking away from the soil layer, unreels to pulling out a section of thick bamboo cable wire and resets the back, and another semi-barrel is taken out in accessible same operation to under the prerequisite of not destroying each soil layer, make a hole section of thick bamboo with the improvement and take out.

(7) One side fixedly connected with standby link of supporting the montant, the standby link sets up in the below of dead lever, under the standby state, can hang the couple on the standby link, and then the placing of the couple of being convenient for.

(8) Two sets of reinforcing diagonal rods are fixedly connected to the outer wall of the supporting vertical rod, one ends, far away from the supporting vertical rod, of the two sets of reinforcing diagonal rods are fixedly connected with the supporting base and the fixed top plate respectively, and the reinforcing diagonal rods can reinforce the connection between the supporting vertical rod and the supporting base and the fixed top plate, so that the stability is improved.

Drawings

FIG. 1 is a schematic cross-sectional view of a soil removal layer according to the present invention;

FIG. 2 is a schematic cross-sectional view of a barrier layer according to the present invention;

FIG. 3 is a schematic cross-sectional view of an improved pit making assembly according to the present invention;

FIG. 4 is a schematic perspective view of an improved pit-making drum according to the present invention;

FIG. 5 is a schematic structural view of the driving rack for pulling out the cylinder according to the present invention;

FIG. 6 is an enlarged view taken at A of FIG. 5 in accordance with the present invention;

fig. 7 is a side view of the rolling seat of the invention.

The reference numbers in the figures illustrate:

101. a half cylinder; 102. fixing a soil net; 103. anti-moving reinforcing ribs; 104. connecting a hanging ring; 201. a support base; 202. supporting the vertical rod; 203. fixing a top plate; 204. a winding seat; 205. a wire rope take-up drum; 206. connecting the rotating shaft; 207. a drive motor; 208. pulling out a steel cable; 209. a fixed pulley; 210. fixing the rod; 211. a guide plate; 212. a guide sleeve; 213. connecting a hook; 214. and (5) hanging a ring in a standby mode.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-7, a method for improving soil quality for planting trees in saline-alkali soil comprises the following steps:

s1, digging out original soil, and enabling the shape and size of a pit hole formed after digging out the original soil to be matched with the improved pit making barrel in the improved pit making assembly;

s2, using a corresponding soil conditioner to improve the original soil dug out in the part S1, and then reserving the soil for later use;

s3, placing the improved pit making assembly into the pit hole formed in the S1, throwing coarse gravel into the inner side of the soil stabilization net 102, and forming an anti-lifting drainage layer with the thickness of 25-35 cm at the bottom end of the inner side of the soil stabilization net 102;

s4, throwing the improved original soil in the S2 to the inner side of the soil fixing net 102, and constructing and forming an in-situ soil layer with the thickness of 35-40 cm above the anti-lifting drainage layer;

s5, throwing the alien soil with low volume weight, high porosity and added organic media into the soil stabilization net 102 to form an alien soil layer with the thickness of 50-60 cm;

s6, manually watering a small amount of soil for multiple times to integrate the soil in different layers;

s7, the improved pit making barrel is taken out of the soil pit through the barrel pulling driving frame, and hydrophobic filler is put into an annular pit formed after the improved pit making barrel is taken out, namely the outer side of the soil fixing net 102, and the hydrophobic filler is compacted to form an impermeable layer.

The low volume weight in S5 means that the volume weight value is 1.3-1.5 Mg/m³The high porosity means that the pores in the soil account for 15-25% of the volume of the soil body, the weight of the organic medium does not exceed 15% of the weight of the soil, after the soil is improved, trees are directly planted in a guest soil layer, the volume weight value of the guest soil layer, the porosity is set, and the organic medium is added, so that the guest soil layer can provide sufficient nutrients for the trees, and a good growth soil environment is provided, through the setting of an in-situ soil layer, the original soil can be secondarily utilized on the premise of not influencing the growth of the trees, on one hand, the waste of the original soil can be reduced, on the other hand, the use of the guest soil can be reduced, the cost is saved, the environmental protection performance is improved, through the setting of the anti-rising drainage layer, because the anti-rising drainage layer isThe water lifting and draining layer is made of coarse crushed stones, the pores among the crushed stones are large, therefore, underground water cannot rise to a guest soil layer and an original position soil layer through capillary pores, salt ions in the underground water are prevented from harming the improved soil, further, secondary degradation of the soil is effectively prevented, the hydrophobic filler in S7 is made of hydrophobic materials through grinding and crushing, and the impermeable layer is arranged, so that water with salt ions in the surrounding soil can be prevented from permeating the guest soil layer and the original position soil layer, the guest soil layer and the original position soil layer are damaged, further, secondary degradation of the soil is avoided, the granularity of the hydrophobic filler is 20-30 mu m, the impermeable layer is enabled to be more compact, and further, the impermeable performance of the impermeable layer is improved.

Referring to fig. 3-4, the improved pit making assembly includes an improved pit making barrel, the improved pit making barrel is composed of two half barrel bodies 101 which are separately and symmetrically arranged, the improved pit making barrel is arranged in a circular truncated cone shape, the improved pit making barrel is divided into the two half barrel bodies 101, the improved pit making barrel can be conveniently taken out, the improved pit making barrel is arranged in a circular truncated cone shape, the use of resources such as soil, modifier, coarse gravel and the like can be effectively reduced on the premise of ensuring the improvement effect, the cost is further saved, the environmental protection performance is improved, a soil fixing net 102 matched with the improved pit making barrel is slidably connected in the improved pit making barrel, a plurality of anti-moving reinforcing ribs 103 are fixedly connected on the inner walls of the two sides of the soil fixing net 102, the soil fixing net 102 is arranged, the collapse of each soil layer can be prevented when the improved pit making barrel is taken out, the anti-moving reinforcing ribs 103 are arranged, the soil fixing net 102 can be prevented from moving along with the half barrel bodies 101, the top ends, the arrangement of the connecting hanging ring 104 is convenient for the connection between the semi-cylinder body 101 and the cylinder pulling driving frame, thereby being convenient for the improved pit making cylinder to be taken out.

Referring to fig. 5-7, the tube pulling driving frame includes a supporting base 201, a supporting vertical rod 202 is fixedly connected to a top end of the supporting base 201, a fixed top plate 203 is fixedly connected to a top end of the supporting vertical rod 202, a U-shaped winding seat 204 is fixedly connected to a top end of the fixed top plate 203, a steel cable winding tube 205 is disposed inside the winding seat 204, a driving motor 207 is fixedly mounted outside the winding seat 204, two ends of the steel cable winding tube 205 are both fixedly connected with connecting shafts 206, one of the connecting shafts 206 is rotatably connected to an inner wall of the winding seat 204 through a bearing, the other connecting shaft 206 penetrates through an outer wall of the winding seat 204 and is fixedly connected to an output end of the driving motor 207, a tube pulling steel cable 208 is wound on an outer wall of the steel cable winding tube 205, a fixed pulley 209 is fixedly connected to a top end of the fixed top plate 203, a guide plate 211 is fixedly connected to the supporting vertical rod 202 through a fixed rod 210 212, one end of the pulling cylinder steel cable 208 far away from the steel cable winding cylinder 205 is fixedly connected with a connecting hook 213, a guide plate 211 is obliquely arranged, the inclination angle of the guide plate 211 is matched with the half cylinders 101, the pulling cylinder steel cable 208 is in transmission connection with a fixed pulley 209, the pulling cylinder steel cable 208 sequentially penetrates through the two guide sleeves 212, through the arrangement of the pulling cylinder driving frame, when the improved pit making cylinder is taken out, the connecting hook 213 can be firstly hung on the connecting hanging ring 104 of one half cylinder 101, then the driving motor 207 is started to wind the pulling cylinder steel cable 208, so that the half cylinder 101 is obliquely lifted up along the matched inclination angle until the half cylinder is separated from the soil layer, after the pulling cylinder steel cable 208 is unreeled and reset, the other half cylinder 101 can be taken out through the same operation, so that the improved pit making cylinder is taken out without damaging the soil layers, one side of the supporting vertical rod 202 is fixedly connected with a standby hanging ring 214, the standby hanging ring 214 is arranged, under the standby state, can hang connection hook 213 on standby link 214, and then be convenient for placing of connection hook 213, support two sets of reinforcement down tube of fixedly connected with on the outer wall of montant 202, two sets of reinforcement down tube keep away from the one end of supporting montant 202 respectively with support base 201, fixed roof 203 fixed connection, the reinforcement down tube can be consolidated and support montant 202 and support base 201, be connected between fixed roof 203 to improve stability.

The invention can smoothly form a guest soil layer, an in-situ soil layer, a water lifting prevention layer and an impermeable layer after soil quality improvement by improving the arrangement of the pit making component, the guest soil layer can provide sufficient nutrients for soil and a good growth environment, the in-situ soil layer can reduce the waste of original soil and reduce the use of guest soil, thereby saving cost and improving environmental protection performance, the water lifting prevention layer can prevent salt separating ions in underground water from damaging the guest soil layer and the in-situ soil layer, the impermeable layer can prevent the salt separating ions in surrounding soil from damaging the guest soil layer and the in-situ soil layer, further effectively avoiding secondary degradation of soil, further remarkably improving improvement effect, the arrangement of the pit making component can effectively reduce the use of resources such as guest soil, modifying agent, coarse rubble and the like, further saving cost and improving environmental protection performance, and the improved pit making barrel can be taken out by the arrangement of the barrel pulling driving frame without damaging each soil layer, the practicability is improved.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.