CN212030984U - Ring cutter taking-out device - Google Patents

Abstract

The utility model discloses a cutting ring remove device relates to soil collection technical field. The utility model comprises a handrail mechanism, an upper stop block, a gravity mechanism, a gravity stop frame and a soil-fetching mechanism, wherein the handrail mechanism comprises a counter-force stop block, a rotary rod and an upper vertical rod, the rotary rod is radially arranged on the side wall of the counter-force stop block along the counter-force stop block, and the upper vertical rod is perpendicular to the counter-force stop block and is positioned on the axis of the counter-force stop block; the gravity mechanism comprises a gravity hammer, and the gravity hammer is sleeved on the upper vertical rod in a sliding manner; the soil taking mechanism comprises a lower vertical rod and a soil cutting ring, the lower end of the lower vertical rod is provided with a force transmission plate, and the soil cutting ring is arranged at the lower end of the force transmission plate; the upper end of the lower upright rod passes through the gravity baffle frame and is connected with the lower end of the upper upright rod; the upper stop block is arranged on the upper vertical rod or the lower vertical rod. The utility model discloses a motion of gravity mechanism between handrail mechanism and gravity keep off the frame realizes inserting and withdrawing from of device that fetches earth, simple structure, and convenient operation practices thrift the labour, can promote labor efficiency.

Description

Ring cutter taking-out device

Technical Field

The utility model relates to a soil acquisition technical field, more specifically say and relate to a cutting ring remove device.

Background

The density of fine soil rolled on site is measured by a cutting ring method, a flat surface is selected on the fine soil which is compacted by rolling, the surface layer is dug to be about one third of the thickness, after a layer of vaseline is coated on the inner wall of the cutting ring, the cutting ring is flatly placed on the surface after excavation, a cutting ring cover is placed on the top surface, the cutting ring cover is knocked, knocking is stopped after soil on the top surface of the cutting ring emerges, the fine soil is shoveled from the periphery mainly through a shovel, and the cutting ring is integrally taken out after a layer of soil sample is stripped, so that the cutting ring is ensured not to be disturbed and broken; the manual labor intensity of shoveling and digging fine-grained soil by using a shovel is large, the surface area of the dug soil is large, the repair is difficult, the speed of taking out the cutting ring is slow, the efficiency is low, and the cost of the whole test process is increased.

According to the traditional method, only manual layering can be carried out by means of tools such as shovels and the like to shovel the ground soil, no special tool or equipment can be used for taking out the cutting ring, the cutting ring is taken out manually, the working time is long, the efficiency is low, and the indirect cost is increased. And after the cutting ring is manually taken, the pit is large and irregular, so that subsequent rolling is difficult to ensure that the pit is densely filled.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect that exists among the above-mentioned prior art and not enough, the utility model provides a cutting ring remove device, the utility model discloses an invention aim at solve prior art manual work and get cutting ring work and consume the manpower, operating time is long, and is inefficient, and the hole is great after the manual work is got the cutting ring, and the hole is irregular, increases indirect cost scheduling problem. The utility model provides a pair of cutting ring remove device, keep off the frame and get native device including handrail mechanism, gravity, the utility model discloses a motion that gravity mechanism kept off between the frame at handrail mechanism and gravity realizes getting native device insert and withdraw from, simple structure, and convenient operation practices thrift the labour, can promote labor efficiency.

In order to solve the problems existing in the prior art, the utility model discloses a realize through following technical scheme:

a cutting ring taking-out device comprises an armrest mechanism, an upper stop block, a gravity mechanism, a gravity stop frame and a soil taking mechanism, wherein the armrest mechanism comprises a counter-force stop block, a rotary rod and an upper vertical rod; the gravity mechanism comprises a gravity hammer, and the gravity hammer is sleeved on the upper vertical rod in a sliding manner; the soil taking mechanism comprises a lower vertical rod and a soil cutting ring, the lower end of the lower vertical rod is provided with a force transmission plate, and the soil cutting ring is arranged at the lower end of the force transmission plate; the upper end of the lower upright rod passes through the gravity baffle frame and is connected with the lower end of the upper upright rod; the upper stop block is arranged on the upper vertical rod or the lower vertical rod.

Hammer handles are mounted on two sides of the gravity hammer.

The gravity baffle frame comprises an annular framework, a lower baffle and a plurality of force transmission columns, the lower baffle is arranged above the annular framework, the upper ends of the force transmission columns are fixedly connected to the lower baffle, the lower ends of the force transmission columns are fixedly connected to the annular framework, and the force transmission columns are evenly distributed between the lower baffle and the annular framework.

And a through hole for the lower vertical rod to pass through is formed in the position of the axis of the lower stop block.

A plurality of soil cutting nails are uniformly arranged at the lower opening of the soil cutting ring and are welded at the position of 10mm above the lower opening of the soil cutting ring.

A plurality of radial through holes are formed in the upper vertical rod or the lower vertical rod along the axial direction, and the upper stop block is fixed to the radial through holes through pin shafts.

The outer side wall of the upper vertical rod or the lower vertical rod is provided with threads, and the upper stop block is in threaded connection with the upper vertical rod or the lower vertical rod.

Compared with the prior art, the utility model discloses profitable technological effect who brings shows:

1. with the help of the utility model discloses the device reduces artifical intensity of labour taking out the cutting ring process, guarantees simultaneously that the cutting ring takes out the on-the-spot hole of process unanimous, and the aesthetic property is good.

2. Compared with the traditional manual cutting ring, the cutting ring taking machine has the advantages of short consumed time, high efficiency and liberation of part of labor force.

3. The utility model provides a gravity hammer has accomplished that an object is dual-purpose, and simple to use, maneuverability is good.

4. The utility model discloses an easy operation of cutting ring remove device, the suitability is strong, can promote cutting ring detection test's work efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the cutting ring removing device of the present invention.

Fig. 2 is a schematic structural diagram of the armrest mechanism of the present invention.

Fig. 3 is the schematic structural diagram of the soil-taking mechanism of the present invention.

Fig. 4 is a schematic structural view of the gravity baffle of the present invention.

Reference numerals: 1. the device comprises a handrail mechanism, 2, an upper stop block, 3, a gravity mechanism, 4, a gravity stop frame, 5, a soil taking mechanism, 6, a counter-force stop block, 7, a rotating rod, 8, an upper vertical rod, 9, a gravity hammer, 10, a lower vertical rod, 11, a soil cutting ring, 12, a force transmission plate, 13, a hammer handle, 14, an annular framework, 15, a lower stop block, 16 and a force transmission column.

Detailed Description

The technical solution of the present invention will be further elaborated with reference to the drawings attached to the description.

Example 1:

as a preferred embodiment of the present invention, referring to fig. 1-3 of the specification, the present embodiment discloses:

a cutting ring taking-out device comprises an armrest mechanism 1, an upper stop block 2, a gravity mechanism 3, a gravity stop frame 4 and a soil taking mechanism 5, wherein the armrest mechanism 1 comprises a counter-force stop block 6, a rotary rod 7 and an upper upright rod 8, the rotary rod 7 is radially arranged on the side wall of the counter-force stop block 6 along the counter-force stop block 6, and the upper upright rod 8 is arranged perpendicular to the counter-force stop block 6 and is positioned on the axis of the counter-force stop block 6; the gravity mechanism 3 comprises a gravity hammer 9, and the gravity hammer 9 is sleeved on the upper upright rod 8 in a sliding manner; the soil taking mechanism 5 comprises a lower vertical rod 10 and a soil cutting ring 11, the lower end of the lower vertical rod 10 is provided with a dowel plate 12, and the soil cutting ring 11 is arranged at the lower end of the dowel plate 12; the upper end of the lower upright rod 10 passes through the gravity baffle frame 4 and is connected with the lower end of the upper upright rod 8; the upper stop block 2 is mounted on the upper upright 8 or the lower upright 10.

When the soil taking operation is carried out, the handrail mechanism 1 is connected with the soil taking mechanism 5, and the soil taking mechanism 5 is positioned in the gravity baffle frame 4, namely the upper end of the lower upright rod 10 passes through the gravity baffle frame 4 and is connected with the upper upright rod 8; after the device is installed, an operator lifts the gravity hammer 9, the maximum lifted height is the height limited by the counter-force stop block 6, then releases the gravity hammer 9, so that the gravity hammer 9 falls down by means of the gravity of the operator and is stopped by the upper stop block 2 in the falling process, namely, acting force is applied to the upper stop block 2, and the soil cutting ring 11 receives downward force and cuts into a soil layer; the operation is repeated until the soil cutting ring 11 meets the requirement; when soil needs to be taken out, an operator lifts the gravity hammer 9, strikes the counter force as a block, and drives the lower vertical rod 10 to move upwards by the upper vertical rod 8, so that the soil cutting ring 11 is taken out.

Example 2:

as another preferred embodiment of the present invention, referring to fig. 1-4 of the specification, the present embodiment discloses:

as shown in fig. 1, 2 and 3, a cutting ring extraction device comprises an armrest mechanism 1, an upper stop block 2, a gravity mechanism 3, a gravity stop frame 4 and a soil extraction mechanism 5, wherein the armrest mechanism 1 comprises a counter-force stop block 6, a rotary rod 7 and an upper vertical rod 8, the rotary rod 7 is radially arranged on the side wall of the counter-force stop block 6 along the counter-force stop block 6, and the upper vertical rod 8 is arranged perpendicular to the counter-force stop block 6 and is positioned on the axis of the counter-force stop block 6; the gravity mechanism 3 comprises a gravity hammer 9, and the gravity hammer 9 is sleeved on the upper upright rod 8 in a sliding manner; the soil taking mechanism 5 comprises a lower vertical rod 10 and a soil cutting ring 11, the lower end of the lower vertical rod 10 is provided with a dowel plate 12, and the soil cutting ring 11 is arranged at the lower end of the dowel plate 12; the upper end of the lower upright rod 10 passes through the gravity baffle frame 4 and is connected with the lower end of the upper upright rod 8; the upper stop block 2 is arranged on the upper vertical rod 8 or the lower vertical rod 10; when the soil taking operation is carried out, the handrail mechanism 1 is connected with the soil taking mechanism 5, and the soil taking mechanism 5 is positioned in the gravity baffle frame 4, namely the upper end of the lower upright rod 10 passes through the gravity baffle frame 4 and is connected with the upper upright rod 8; after the device is installed, an operator lifts the gravity hammer 9, the maximum lifted height is the height limited by the counter-force stop block 6, then releases the gravity hammer 9, so that the gravity hammer 9 falls down by means of the gravity of the operator and is stopped by the upper stop block 2 in the falling process, namely, acting force is applied to the upper stop block 2, and the soil cutting ring 11 receives downward force and cuts into a soil layer; the operation is repeated until the soil cutting ring 11 meets the requirement; when soil needs to be taken out, an operator lifts the gravity hammer 9, strikes the counter force as a block, and drives the lower vertical rod 10 to move upwards by the upper vertical rod 8, so that the soil cutting ring 11 is taken out.

In order to facilitate the lifting of the gravity hammer 9 by an operator, hammer handles 13 are mounted on both sides of the gravity hammer 9.

In order to ensure that the armrest device and the soil sampling device do not incline when working stably, the gravity baffle frame 4 comprises an annular framework 14, a lower baffle block 15 and a plurality of force transmission columns 16, the lower baffle block 15 is arranged above the annular framework 14, the upper ends of the force transmission columns 16 are fixedly connected to the lower baffle block 15, the lower ends of the force transmission columns 16 are fixedly connected to the annular framework 14, and the force transmission columns 16 are uniformly distributed between the lower baffle block 15 and the annular framework 14. The axis position of the lower stop block 15 is provided with a through hole for the lower upright rod 10 to pass through.

For convenience, the soil cutting ring 11 is inserted into a soil layer or the soil cutting ring 11 is taken out, a plurality of soil cutting nails are uniformly arranged at the lower opening of the soil cutting ring 11 and are welded at the position of 10mm above the lower opening of the soil cutting ring 11.

For the convenience adjust the falling height of gravity hammer 9, will go up and work as the piece and set up to swing joint, go up dog 2 promptly and can alternate the position on last pole setting 8 or lower pole setting 10 to change the whereabouts stroke of gravity hammer 9, in order to adapt to the soil layer of different density, go up and set up a plurality of radial through-holes along axial direction on pole setting 8 or the lower pole setting 10, go up dog 2 and fix in radial through-hole department through the round pin axle. Or the outer side wall of the upper vertical rod 8 or the lower vertical rod 10 is provided with threads, and the upper stop block 2 is in threaded connection with the upper vertical rod 8 or the lower vertical rod 10.

Example 3:

as another preferred embodiment of the present invention, referring to fig. 1-4 of the specification, the present embodiment discloses:

the technical scheme of the embodiment is as follows: a cutting ring withdrawing device is composed of four parts: the soil taking mechanism comprises a handrail mechanism 1 (a counter-force stop block 6, a rotating rod 7, an upper vertical rod 8 and an upper stop block 2), a gravity mechanism 3 (a gravity hammer 9 and a hammer handle 13), a gravity stop frame 4 (an annular framework 14, a force transmission column 16 and a lower stop block 15), and a soil taking mechanism 5 (a soil cutting ring 11, a soil cutting nail, a lower vertical rod 10 and a force transmission plate 12).

Designing and processing a handrail device: the armrest apparatus is shown in fig. 2:

1. the implementation is as follows:

(1) the armrest device consists of a counter-force stop block 6, a rotating rod 7, an upper upright rod 8 and an upper stop block 2;

(2) the counter-force stop block 6 is made of cast iron with the diameter of 120mm and the height of 40mm, can bear the counter-force of the gravity hammer 9, ensures that the device can bear the reverse knocking force of the gravity hammer 9 in the lifting process, and drives the soil sampling device to reversely take out the soil sampling device upwards;

(3) the bracket of the rotating rod 7 is 40mm and 120mm long, is made of cast iron, is connected with the counter-force stop dog 6 into a whole, and after the soil body is driven into the soil taking device, the rotating rod 7 is rotated to ensure that the soil body is sheared and damaged;

(4) the upper upright stanchion 8 is connected with the counter-force stop block 6 by a screw with the diameter of 30mm and the length of 500mm, the upper end of the upper upright stanchion is connected with the upper stop block 2, and the lower opening is provided with a screw opening with the inner diameter of 24mm and the length of 20 mm;

(5) go up dog 2 by diameter 70mm, high 30mm cast iron makes, go up mouthful and make internal thread 24mm, can be connected with last pole setting 8, the lower part center sets up diameter 24mm, length 20mm silk mouth.

2. And (3) actual effect verification:

(1) the counter-force baffle can bear the counter-impact force of the gravity hammer 9, and the size design is reasonable;

(2) the rotating rod 7 is connected to the counter-force stop block 6, and after the soil penetration depth is reached, the rotating rod 7 can be rotated to cut and destroy the soil sample, so that soil sampling is facilitated;

(3) the upper vertical rod 8 ensures the force transmission and can fix the movement direction of the gravity hammer 9;

(4) the upper stop block 2 is used for connecting the upper vertical rod 10 and the lower vertical rod 10, and simultaneously limits the position of the gravity hammer 9 and transmits force to the lower vertical rod 10.

Designing and processing a gravity mechanism 3: the gravity mechanism 3 is shown in fig. 2:

1. the implementation is as follows:

(1) the gravity mechanism 3 consists of a gravity hammer 9 and a hammer handle 13;

(2) the gravity hammer 9 is made of cast iron with the diameter of 120mm and the height of 120mm, a hole 32mm is reserved in the middle and used for enabling the upper vertical rod 8 to penetrate through, and screw openings with the diameter of 20mm and the depth of 20mm are reserved in the middle of two sides of the hammer body and used for being connected with the hammer handle 13. The gravity can be generated to drive the soil taking device into the soil;

(3) the hammer handle 13 is made of cast iron with the diameter of 20mm and the length of 120mm, a screw opening with the length of 20mm is formed in the end head, and the hammer handle is in butt joint with a reserved screw opening of the gravity hammer 9 and can be used for lifting the gravity hammer 9.

2. And (3) actual effect verification:

(1) the gravity hammer 9 has reasonable mass design, can drive the soil taking device into the soil, has reasonable mass, and can complete the operation by about 10kg of workers;

(2) the hammer handle 13 is connected by a screw mouth, so that the use and the transportation are convenient.

(III) designing and processing the gravity baffle frame 4: as shown in fig. 4:

1. the implementation is as follows:

(1) the gravity baffle frame 4 consists of an annular framework 14, a force transmission column 16 and a lower baffle block 15;

(2) the annular framework 14 is made of steel with the outer diameter of 400mm and the framework diameter of 40mm, so that the whole soil taking device can be stabilized, and force is transferred to a filling body when the hammer is used reversely;

(3) the transmission upright column is made of four steel materials with the diameter of 30mm and the height of 400mm, the four steel materials are welded on the annular framework 14 and the lower stop block 15 in an up-down symmetrical mode, and the force of the gravity hammer 9 hammering on the lower stop block 15 is transmitted to the annular framework 14;

(4) the lower stop block 15 is made of steel with the diameter of 120mm and the height of 50mm, a hole with the diameter of 32mm and the height of 50mm is reserved in the center of the lower stop block 15 and is welded on the transmission upright post to form a whole, and the lower dowel bar can penetrate through the lower stop block 15.

2. And (3) actual effect verification:

(1) the annular framework 14 is reasonable in size, enough space can be reserved for installing and placing the soil taking device, and meanwhile, all force can be transmitted to the surrounding soil body;

(2) the transmission column is reasonable in design, the annular framework 14 and the lower stop block 15 are connected into a whole, and the force of the lower stop block 15 can be transmitted to the annular framework 14;

(3) the lower stop block 15 can allow the lower dowel bar to freely pass through, and simultaneously bear the impact force of the gravity hammer 9 in the counterattack falling process, so that the soil taking device is kept not stressed in the taking-out process.

(IV) designing and processing the soil taking mechanism 5: as shown in fig. 3:

1. the implementation is as follows:

(1) the soil taking mechanism 5 consists of a soil cutting ring 11, a soil cutting nail, a lower upright rod 10 and a force transmission plate 12;

(2) the soil cutting ring 11 is made of alloy steel with a lower opening diameter of 160mm, an upper opening diameter of 170mm, a height of 130mm and a wall thickness of 4mm, the upper opening is sealed by steel with the same material of 10mm, 2 exhaust holes with the thickness of 10mm are reserved in the top of the cylinder, the alloy steel has light weight, high strength and enough strength, rigidity and toughness, a cutting edge is formed at the position of 5mm of the lower opening, and the soil cutting ring has soil cutting capability;

(3) the soil cutting nail is made of high-strength manganese steel with a conical top surface of 10mm in diameter and 5mm in height, is welded at the position of about 10mm above the lower opening of the soil cutting ring 11, is symmetrically welded and is used for shearing and damaging soil samples in the rotating process;

(4) the lower vertical rod 10 is made of a cast iron rod with the diameter of 30mm and the height of 400mm, a screw hole with the diameter of 24mm and the depth of 20mm is reserved at the upper end, and the lower end is connected with the dowel plate 12;

(5) the force transmission plate 12 is made of steel with the diameter of 160mm and the height of 10mm, one surface of the force transmission plate is welded with the upper opening of the soil cutting ring 11, and 2 exhaust holes are reserved in the same positions of the force transmission plate 12 and the exhaust holes in the top of the soil cutting ring 11.

2. And (3) actual effect verification:

(1) the soil cutting ring 11 can cut a soil sample, the whole soil cutting ring 11 is driven into soil, the size and the rigidity of the soil cutting ring meet the use requirements, and the cutting ring with the size of 500 cubic centimeters can be completely wrapped and taken out;

(2) the soil cutting nail cuts the soil sample in the rotating process, so that the soil sample can be cut and damaged easily, and the rapid lifting can be facilitated;

(3) the lower vertical rod 10 can effectively transfer force gravity and better bear the pulling force in the process of pulling up and the gravity of driving in;

(4) the force transmission plate 12 uniformly bears the load, and uniformly transmits the upper load to the soil cutting ring 11, so that the durability of the soil cutting ring 11 is improved.

(V) final assembly and verification:

1. final assembly, as shown in fig. 1:

(1) welding the soil taking nail on the soil taking ring, welding the force transmission plate 12 on the top of the soil taking ring, welding the upper force transmission rod on the top of the force transmission plate 12, and integrally assembling to form the soil taking device;

(2) four force transmission columns 16 are symmetrically and uniformly welded on the annular framework 14 and the lower stop block 15, and are integrally assembled to form the gravity stop frame 4;

(3) a hammer handle 13 is arranged on the gravity hammer 9 to form a gravity device;

(4) welding a rotating rod 7 on a reaction stop 6, connecting an upper upright rod 8 at the center of the reaction stop 6, and connecting an upper stop 2 and the upper upright rod 8 to form the handrail device;

(5) placing the soil sampling device on a plane, enabling a lower blocking block 15 of the gravity blocking frame 4 to penetrate through a lower vertical rod 10, centering and arranging the soil sampling device around the soil sampling device, enabling a gravity hammer 9 of the gravity device to penetrate through an upper vertical rod 8, and then connecting the upper vertical rod 8 and an upper blocking block 2 through a screw opening, so that the whole device is assembled;

(6) after the assembly is completed, the length, width and weight of the whole device are about 400mm, 400mm and 1000mm, and the weight is about 35 kg.

2. And (3) final actual effect verification:

after the whole assembly is finished, one 500cm³The cutting ring is driven into a detected soil body according to the standard requirement, a layer of vaseline is smeared on the inner wall of the soil taking device, the cutting ring is placed at the central part of the cutting ring, a lower baffle block 15 of a gravity baffle frame 4 penetrates through a lower vertical rod 10, a gravity hammer 9 is connected with an upper vertical rod 8, the upper vertical rod 8 and the lower vertical rod 10 are connected into a whole by an upper baffle block 2, 1 person lifts the gravity hammer 9 to the top, freely falls and hammers on the lower baffle block 15 to drive the soil taking device to wholly sink into the soil, the gravity hammer 9 is repeatedly lifted and falls, the hammering is stopped when the sinking depth is higher than that of the cutting ring by about 3cm, the lower baffle block 15 is taken down, the upper vertical rod 10 and the lower baffle block 10 are directly butted, the gravity hammer 9 is freely and vertically placed on the lower baffle block 15, the soil taking device is driven to rotate by rotating a rotating rod 7, a soil sample is sheared and damaged by a soil cutting nail in the rotating process, the, let gravity hammer 9 free fall hit on dog 15 down, in dog 15 will do all can the power transmission with soil down, repeated several can take out the remove device, take out the back with the device dismantlement, observe the soil sampling of the device end opening of fetching soil and cut the destruction smoothly, then strike and cut the whole soil sampling whereabouts of soil ring 11, take out cutting ring and sample, develop work on next step can.

The utility model provides a cutting ring remove device passes through the effect verification, all mainly uses 10 kg's gravity hammer 9 in the device in-process of penetrating and taking out, reduces the labour of artifical excavation, and it is even to take out soil sample pot hole, and is small, can minimize and roll a integrality, reduces the working strength who resumes, and the efficiency of taking out the cutting ring simultaneously is got than traditional manual work and is promoted obviously, and artifical intensity of labour reduces, and economic benefits is obvious.

Claims (7)

1. The utility model provides a cutting ring remove device which characterized in that: the soil sampling device comprises a handrail mechanism (1), an upper stop block (2), a gravity mechanism (3), a gravity stop frame (4) and a soil sampling mechanism (5), wherein the handrail mechanism (1) comprises a counter-force stop block (6), a rotating rod (7) and an upper vertical rod (8), the rotating rod (7) is radially arranged on the side wall of the counter-force stop block (6) along the counter-force stop block (6), and the upper vertical rod (8) is arranged perpendicular to the counter-force stop block (6) and is positioned on the axis of the counter-force stop block (6); the gravity mechanism (3) comprises a gravity hammer (9), and the gravity hammer (9) is sleeved on the upper vertical rod (8) in a sliding manner; the soil taking mechanism (5) comprises a lower vertical rod (10) and a soil cutting ring (11), a dowel plate (12) is arranged at the lower end of the lower vertical rod (10), and the soil cutting ring (11) is arranged at the lower end of the dowel plate (12); the upper end of the lower upright rod (10) passes through the gravity baffle frame (4) and is connected with the lower end of the upper upright rod (8); the upper stop block (2) is arranged on the upper vertical rod (8) or the lower vertical rod (10).

2. The ring knife extraction device of claim 1, further comprising: hammer handles (13) are mounted on two sides of the gravity hammer (9).

3. The ring knife extraction device of claim 1, further comprising: the gravity baffle frame (4) comprises an annular framework (14), a lower baffle block (15) and a plurality of force transmission columns (16), the lower baffle block (15) is arranged above the annular framework (14), the upper ends of the force transmission columns (16) are fixedly connected to the lower baffle block (15), the lower ends of the force transmission columns (16) are fixedly connected to the annular framework (14), and the force transmission columns (16) are evenly distributed between the lower baffle block (15) and the annular framework (14).

4. A ring cutter removal device as defined in claim 3, wherein: and a through hole for the lower upright rod (10) to pass through is formed in the position of the axis of the lower stop block (15).

5. The ring knife extraction device of claim 1, further comprising: a plurality of soil cutting nails are uniformly arranged at the lower opening of the soil cutting ring (11), and the soil cutting nails are welded at the position of 10mm above the lower opening of the soil cutting ring (11).

6. The ring knife extraction device of claim 1, further comprising: a plurality of radial through holes are formed in the upper vertical rod (8) or the lower vertical rod (10) along the axial direction, and the upper stop block (2) is fixed at the radial through holes through pin shafts.

7. The ring knife extraction device of claim 1, further comprising: the outer side wall of the upper vertical rod (8) or the lower vertical rod (10) is provided with threads, and the upper stop block (2) is in threaded connection with the upper vertical rod (8) or the lower vertical rod (10).

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