CN211697028U - Portable manual hydraulic cutting ring geotome - Google Patents

Abstract

The utility model discloses a portable manual hydraulic pressure cutting ring geotome relates to geotechnical engineering test equipment technical field, include: the portable manual hydraulic cutting ring soil sampler is convenient to carry, and can reduce the soil sampling difficulty, reduce the disturbance of the soil body, and save time and labor.

Description

A portable manual hydraulic ring cutter

technical field

The utility model relates to the technical field of geotechnical engineering test equipment, in particular to a portable manual hydraulic ring cutter earth extractor.

Background technique

In the field of geotechnical engineering, it is often necessary to go to the field for exploration and sampling. The acquisition of soil samples is an important test content for us in the area to be constructed, such as soil moisture content, density, and soil particle composition. Ring-knife borrowing is an integral part of our construction site testing as well as teaching and research.

The traditional ring knife uses a hammer or other blunt instrument to beat the ring knife to make it enter the soil. However, due to the large friction between some soil and the ring knife, it is not easy to enter and take out the ring knife, and the blunt instrument is used to obtain soil. The striking ring knife has a large disturbance to the soil, which is very inconvenient for testing the mechanical properties. At the same time, traditionally, when taking soil samples, it requires a lot of force to beat the ring knife with a blunt instrument and take out the ring knife, which is difficult for female researchers or researchers with few colleagues. Moreover, it is not easy to press into the soil for the ring cutter with deep borrowing depth.

Utility model content

The purpose of the utility model is to provide a portable manual hydraulic ring cutter soil extractor, which can reduce the difficulty of soil extraction, reduce soil disturbance, and save time and effort.

The technical scheme that the utility model solves the above-mentioned technical problem is as follows:

A portable manual hydraulic ring-knife soil extractor, comprising: a support frame and a hydraulic jack arranged upside down on the support frame, the power output shaft of the hydraulic jack is provided with a detachable ring-knife fixing device, and the ring-knife fixing device is provided with A detachable ring knife is provided. The ring knife fixing device includes a universal magnetic base and a ring knife fixing plate detachably arranged at the lower end of the universal magnetic base.

The earth extractor is provided with an inverted hydraulic jack on the support frame. The power output end of the hydraulic jack faces the ground, so that the structure at the end can be driven to insert or pull out the rock and soil. The power output end of the hydraulic jack is provided with a ring knife to fix it. The ring knife fixing device can fix the ring knife used for sampling. The ring knife fixing device adopts a universal magnetic base, so that the ring knife can be detachably set on the ring knife fixing device, and it is convenient to replace the ring knife of different sizes and depths.

Further, in a preferred embodiment of the present utility model, the universal magnetic base includes a cast iron block and a permanent magnet block rotatably arranged in the cast iron block, a placement cavity is set in the cast iron block, and an electrical soft iron is arranged on the inner wall of the placement cavity. The top of the cast iron block is provided with a brass block pointing to the permanent magnet, the permanent magnet block is arranged in the placement cavity through the rotating shaft, and the end of the rotating shaft away from the permanent magnet block is arranged outside the cast iron block.

The two ends of the permanent magnet block are the N and S poles of the magnet, and the magnetism in the middle of the permanent magnet block is very small. The permanent magnet block is rotatably arranged in the cast iron block. The connection line between the N pole and the S pole is also vertical, then the ring knife fixing plate can be adsorbed on the cast iron block, and the brass block can fix the permanent magnet block, and the permanent magnet block remains vertical without external force. In the straight state, when the permanent magnet block is artificially rotated to make the permanent magnet block level, because the magnetic force in the middle is very weak, the cast iron block cannot absorb the ring knife fixing plate at this time, so the ring knife fixing plate is removed to replace the ring knife.

Further, in a preferred embodiment of the present invention, a rotating knob is provided at one end of the rotating shaft away from the permanent magnet block.

The position of the permanent magnet block can be adjusted by turning the rotary button, so that the permanent magnet block can be set vertically or horizontally.

Further, in a preferred embodiment of the present utility model, the bottom surface of the ring knife fixing plate is provided with a plurality of concentric annular grooves.

The ring knife is detachably arranged on the ring knife fixing plate through the annular card groove on the ring knife fixing plate, and the annular card groove is convenient and quick to install and disassemble. The size of the card groove should match the size of the ring knife, so that the ring knife can be tightly clamped in the card groove. The number and size of the card groove are not specifically limited, and can be set according to the actual number and size of the ring knife.

Further, in a preferred embodiment of the present invention, the ring knife fixing plate is made of cast iron.

Because the ring knife fixing plate needs to be fixed at the lower end of the universal magnetic base during sampling, and the universal magnetic base is fixed by the magnetic force, the ring knife fixing plate needs to be made of a material that can be attracted by magnets. The knife fixing plate is made of cast iron.

Further, in a preferred embodiment of the present invention, the support frame includes a plurality of vertically arranged support columns and a support plate arranged on the support column, and the support plate includes a top return force support plate and a top return support plate arranged in parallel on the top. The middle support plate below the force support plate, and the hydraulic jack is arranged between the top return force support plate and the middle support plate.

The support frame supports and fixes the device as a whole. The hydraulic jack is arranged between the top return force support plate and the middle support plate. The top return force support plate can fix the hydraulic jack, and the middle support plate can support the hydraulic jack, and the hydraulic jack is in the middle. When the hydraulic oil pushes down its power take-off shaft, the reaction force of the power take-off shaft acts on the top return force support plate, which can be used to withstand the return force generated by the hydraulic jack.

Further, in a preferred embodiment of the present invention, the middle support plate is provided with a through hole.

Further, in a preferred embodiment of the present invention, the bottom of the hydraulic jack is arranged on the bottom surface of the top return force support plate, the upper end of the hydraulic jack is arranged on the middle support plate, and the power output shaft of the hydraulic jack passes through the through hole to the ground. direction extension.

The fixed structure of the hydraulic jack is set between the top return force support plate and the middle support plate, and the power output shaft of the hydraulic jack extends to the ground through the through hole in the middle support plate to complete the operations of inserting rock and soil and taking out soil samples.

Further, in a preferred embodiment of the present invention, a storage box is provided on the upper surface of the top return force support plate.

The storage box is fixed on the upper surface of the top return force support plate, which can be used to place different types of ring knives, which is convenient for storage and convenient and timely replacement during sampling.

Further, in a preferred embodiment of the present invention, the hydraulic jack includes a first hydraulic cylinder, a second hydraulic cylinder and an oil tank, and the first hydraulic cylinder and the second hydraulic cylinder are respectively provided with a first piston and a second piston. , the first piston is provided with a handle, the power output shaft is provided on the second piston, the bottoms of the first hydraulic cylinder and the second hydraulic cylinder are respectively connected through the first pipeline and the second pipeline, and the first pipeline is provided with an oil drain One-way valve, the second pipeline is also provided with a third pipeline that communicates with the oil tank, the second pipeline between the oil tank and the second hydraulic cylinder is provided with an oil suction check valve, and the second pipeline between the oil tank and the first hydraulic cylinder is provided with an oil suction one-way valve. There is a shut-off valve on the pipeline.

The utility model has the following beneficial effects:

The utility model adopts the hydraulic jack to replace the manpower to carry out the soil extraction operation. The hydraulic jack is set upside down on the support frame, the power output shaft faces the ground, and the end of the power output shaft is provided with a detachable ring cutter fixing device. There is a detachable ring knife on the fixing device. The power output shaft of the hydraulic jack can be extended or retracted to complete the operation of inserting the ring knife into the rock and soil and taking out the soil sample. The ring knife fixing device and the ring knife are both detachable. The setting method is convenient to replace ring cutters of different specifications. The device saves time and effort for geotechnical sampling, and the stable output of hydraulic pressure can reduce soil disturbance and ensure sampling quality. The overall structure of the device is simple, easy to carry and move, and suitable for outdoor operations.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Figure 2 is a bottom view of the ring knife fixing plate.

Fig. 3 is the internal structure schematic diagram 1 of the universal magnetic base of the present invention;

4 is a second schematic diagram of the internal structure of the universal magnetic base of the present invention;

Fig. 5 is the action principle diagram of the hydraulic jack of the utility model;

Among them: 1- support frame; 11- support column; 12- support plate; 121- top return force support plate; 122- middle support plate; 123- storage box; 2- hydraulic jack; 21- power output shaft; 22- first A hydraulic cylinder; 221-first piston; 222-first pipeline; 23-second hydraulic cylinder; 231-second piston; 232-second pipeline; 24-oil tank; 25-handle; 26-oil drain check valve ;27- Oil suction check valve; 28- Globe valve; 3- Ring knife fixing device; 31- Universal magnetic seat; 311- Cast iron block; 312- Permanent magnet block; 313- Placement cavity; 314- Electrician soft iron layer; 315-brass block; 316-rotating shaft; 317-rotating knob; 32-ring knife fixing plate; 321-ring slot; 4-ring knife;

Detailed ways

The principles and features of the present invention will be described below with reference to the accompanying drawings, and the examples are only used to explain the present invention, and are not intended to limit the scope of the present invention.

Example

Referring to FIG. 1 , a portable manual hydraulic ring-knife soil extractor includes: a support frame 1 and a hydraulic jack 2 arranged upside down on the support frame 1 .

Referring to FIG. 1 , the support frame 1 includes a plurality of vertically arranged support columns 11 and a support plate 12 arranged on the support columns 11 . The support plate 12 includes a top return force support plate 121 and a top return force support plate 121 arranged in parallel. The lower middle support plate 122 is provided with through holes. The bottom of the hydraulic jack 2 is arranged on the bottom surface of the top return force support plate 121 , the upper end of the hydraulic jack 2 is arranged on the middle support plate 122 and the power output shaft 21 of the hydraulic jack 2 extends toward the ground through the through hole. A storage box 123 is also provided on the upper surface of the top return force support plate 121 .

Referring to FIG. 1 , the power output end of the hydraulic jack 2 is provided with a ring knife fixing device 3 . The ring knife fixing device 3 is provided with a detachable ring knife 4 . The ring-knife fixing device 3 includes a universal magnetic base 31 and a ring-knife fixing plate 32 detachably arranged at the lower end of the universal magnetic base 31. Referring to FIG. Card slot 321 . The ring knife fixing plate 32 is made of cast iron.

3 and 4, the universal magnetic base 31 includes a cast iron block 311 and a permanent magnet block 312 rotatably arranged in the cast iron block 311. A placement cavity 313 is opened in the cast iron block 311, and an electrical soft iron is provided on the inner wall of the placement cavity 313. Layer 314, the top of the cast iron block 311 is provided with a brass block 315 pointing to the permanent magnet, the permanent magnet block 312 is arranged in the placement cavity 313 through the rotating shaft 316, and the end of the rotating shaft 316 away from the permanent magnet block 312 is set outside the cast iron block 311, refer to In FIG. 1 , a rotating knob 317 is provided at one end of the rotating shaft 316 away from the permanent magnet block 312 .

5, the hydraulic jack includes a first hydraulic cylinder 22, a second hydraulic cylinder 23 and an oil tank 24. The first hydraulic cylinder 22 and the second hydraulic cylinder 23 are respectively provided with a first piston 221 and a second piston 231. The handle 25 is provided on the piston, and the power take-off shaft 21 is provided on the second piston 231; the bottoms of the first hydraulic cylinder 22 and the second hydraulic cylinder 23 are respectively connected through the first pipeline 222 and the second pipeline 232, and the first pipeline 222 There is an oil discharge check valve 26 thereon, a third pipeline 241 communicating with the oil tank 24 is also arranged on the second pipeline 232, and an oil suction check valve 27 is arranged on the second pipeline between the oil tank and the second hydraulic cylinder. A closing shut-off valve 28 is provided on the second pipeline 232 between 24 and the first hydraulic cylinder 22 .

The use process of the present utility model will be described below with reference to FIG. 1 and FIG. 5 .

When using the portable manual hydraulic ring-knife soil extractor, place the portable manual hydraulic ring-knife soil extractor on the rock ground to be sampled and fix it to keep the device stable. Referring to Figures 1 and 5, press the hydraulic jack 2 upward. The handle 25, the first piston 221 connected with the handle 25 pushes the hydraulic oil in the first hydraulic cylinder 22 into the second hydraulic cylinder 23 through the oil discharge check valve 26, and the hydraulic oil in the second hydraulic cylinder 23 pushes the second hydraulic cylinder 23. The piston 231 moves upward, at this time the power output of the hydraulic jack 2 moves in the direction of the ground, and the ring cutter 4 installed on the power output end of the hydraulic jack 2 is inserted into the rock and soil. The stop valve 28 of the hydraulic jack 2, the hydraulic oil in the second hydraulic cylinder 23 enters the oil tank 24, the second piston 231 moves to the bottom of the first hydraulic cylinder 22, that is, the power output shaft of the hydraulic jack 2 moves away from the ground, then The power output shaft of the hydraulic jack 2 drives the ring cutter 4 to pull out from the rock and soil, and the sampling can be completed. The stop valve 28 is closed, and the handle 25 is pressed down. The hydraulic oil in the oil tank 24 enters the first hydraulic pressure through the oil suction check valve 27. In the cylinder 22, the handle 25 is restored to its original state. When the hydraulic jack 2 is in place, referring to FIG. 3, turn the rotary knob 317 to separate the universal magnetic base 31 from the ring knife fixing plate 32, remove the ring knife fixing plate 32 and the ring knife 4 together, and remove the soil sample. The ring knife 4 can be replaced. Referring to FIG. 4 , turn the rotary knob 317 to fix the ring knife fixing plate 32 on the universal magnetic base 31 to perform the next sampling operation.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the utility model.

Claims (10)

1. A portable manual hydraulic ring-knife soil extractor, characterized in that it comprises: a support frame (1) and a hydraulic jack (2) arranged upside down on the support frame (1), the hydraulic jack (2) The power output shaft (21) is provided with a detachable ring knife fixing device (3), the ring knife fixing device (3) is provided with a detachable ring knife (4), the ring knife fixing device (3) ) comprises a universal magnetic base (31) and a ring knife fixing plate (32) detachably arranged at the lower end of the universal magnetic base (31). 2 . The portable manual hydraulic ring cutter soil extractor according to claim 1 , wherein the universal magnetic base ( 31 ) comprises a cast iron block ( 311 ) and a permanent magnet rotatably arranged in the cast iron block ( 311 ). 3 . A magnet block (312), a placement cavity (313) is set in the cast iron block (311), an electrical soft iron layer (314) is provided on the inner wall of the placement cavity (313), and the top of the cast iron block (311) There is a brass block (315) directed towards the permanent magnet, the permanent magnet block (312) is arranged in the placement cavity (313) through a rotating shaft (316), the rotating shaft (316) is away from the permanent magnet One end of the block (312) is arranged outside the cast iron block (311). 3. The portable manual hydraulic ring-knife soil extractor according to claim 2, wherein a rotating knob (317) is provided at one end of the rotating shaft (316) away from the permanent magnet block (312). 4. The portable manual hydraulic ring-knife soil extractor according to any one of claims 1 to 3, characterized in that, the bottom surface of the ring-knife fixing plate (32) is provided with multiple rings of concentrically arranged annular snap grooves (321). ). 5 . The portable manual hydraulic ring cutter soil extractor according to claim 4 , wherein the ring cutter fixing plate ( 32 ) is made of cast iron. 6 . 6. The portable manual hydraulic ring-knife soil extractor according to claim 5, wherein the support frame (1) comprises a plurality of vertically arranged support columns (11) and a plurality of support columns (11) arranged on the support columns (11) The support plate (12) on the top of the support plate (12) includes a top return force support plate (121) and a middle support plate (122) arranged in parallel below the top return force support plate (121). 7. The portable manual hydraulic ring cutter soil extractor according to claim 6, wherein a through hole is provided on the middle support plate (122). 8. The portable manual hydraulic ring cutter soil extractor according to claim 7, wherein the bottom of the hydraulic jack (2) is arranged on the bottom surface of the top return force support plate (121), and the hydraulic jack (2) 2) The upper end is arranged on the middle support plate (122) and the power output shaft (21) of the hydraulic jack (2) extends toward the ground through the through hole. 9 . The portable manual hydraulic ring cutter soil extractor according to claim 6 , wherein a storage box ( 123 ) is provided on the upper surface of the top return force support plate ( 121 ). 10 . 10. The portable manual hydraulic ring cutter earth extractor according to claim 1, wherein the hydraulic jack (2) comprises a first hydraulic cylinder (22), a second hydraulic cylinder (23) and an oil tank (24), The first hydraulic cylinder (22) and the second hydraulic cylinder (23) are respectively provided with a first piston (221) and a second piston (231), and the first piston is provided with a handle (25), so the The power output shaft (21) is provided on the second piston, and the bottoms of the first hydraulic cylinder (22) and the second hydraulic cylinder (23) pass through the first pipeline (222) and the second pipeline (232) respectively The first pipeline (222) is provided with an oil discharge check valve (26), and the second pipeline (232) is also provided with a third pipeline (241) communicating with the oil tank (24). , the second pipeline (232) between the oil tank (24) and the second hydraulic cylinder (23) is provided with an oil suction check valve (27), the oil tank (24) and the first A closing shut-off valve (28) is provided on the second pipeline (232) between the hydraulic cylinders (22).

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