CN112643901A - Cutting device and direct shearing instrument for rock and soil materials - Google Patents
Cutting device and direct shearing instrument for rock and soil materials Download PDFInfo
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- CN112643901A CN112643901A CN202011511915.0A CN202011511915A CN112643901A CN 112643901 A CN112643901 A CN 112643901A CN 202011511915 A CN202011511915 A CN 202011511915A CN 112643901 A CN112643901 A CN 112643901A
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- 239000011435 rock Substances 0.000 title claims abstract description 61
- 238000010008 shearing Methods 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 title claims abstract description 22
- 239000002689 soil Substances 0.000 title abstract description 8
- 230000000694 effects Effects 0.000 claims abstract description 12
- 238000013519 translation Methods 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 239000000428 dust Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/22—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/04—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work
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- Mining & Mineral Resources (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention relates to the technical field of cutting devices, and discloses a cutting device and a rock and soil material direct shearing apparatus, which comprises a base, wherein a first push rod is arranged in the base, a supporting plate is arranged at the top of an output shaft of the first push rod, a frame is fixedly arranged at the top of the supporting plate, a connecting frame is fixedly arranged at the top of the frame, a top plate is fixedly arranged at the top of the connecting frame, the lower half part of a rock body is clamped through a first clamping group, the upper half part of the rock body is clamped through a second clamping group, after the clamping is stable, the second clamping group moves rightwards, the clamping gap of the rock body can be sheared, the shearing effect is better, the operation is simpler and more convenient, positioning columns are further arranged in the first clamping group and the second clamping group, and can retract in a self-adaptive manner according to the shape of the rock body when the first clamping group and the second clamping group clamp the rock body, so as to clamp the rock block bodies with different shapes, and the fixing effect is better.
Description
Technical Field
The invention relates to the technical field of cutting devices, in particular to a cutting device and a rock and soil material direct shear apparatus.
Background
The Chinese patent publication number is: CN 105751390B's invention patent, it discloses a cutting device and ground material directly shears appearance, belongs to cutter technical field. The device comprises a first gripper, a second gripper, a force arm, a fixing piece, a stepping type driving mechanism and a temperature adjusting device, wherein an accommodating space is formed between the first gripper and the second gripper; the object to be cut is divided into a first part and a second part, and the object to be cut is contained in the containing space, so that the first part is clamped by the first gripper, and the second part is clamped by the second gripper; the temperature adjusting device is used for adjusting the temperature in the accommodating space; one end of the force arm is fixedly connected to the right side of the first gripper, and the other end of the force arm abuts against the fixing piece; the step-by-step drive mechanism is used for providing a rightward acting force to the second hand grip. The direct shearing apparatus for geotechnical materials comprises the cutting device. The temperature of the object to be cut can be adjusted, experimental research is not required to be carried out in a mode of changing the ambient temperature, operation is convenient, and a large amount of energy can be saved.
However, in practical applications, the above patent still has certain disadvantages, for example, although the above patent can shear and cut the rock block body and adjust the cutting temperature, the adaptability is not enough, it is not only inconvenient to shear the rock blocks with different shapes, but also inconvenient to select the shearing position of the rock block when fixing the rock block.
Based on the above, a cutting device and a rock and soil material direct shear apparatus are provided, and the shortcomings in the prior art are overcome.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a cutting device and a rock and soil material direct shearing instrument, which have the advantages of good shearing effect, convenience in selecting the shearing position of rock blocks and convenience in shearing the rock blocks with different shapes.
(II) technical scheme
In order to realize the purposes of good shearing effect, convenient selection of the shearing position of the rock mass and convenient shearing of the rock masses with different shapes, the invention provides the following technical scheme: a cutting device and a direct shearing instrument for geotechnical materials comprise a base, wherein a first push rod is arranged inside the base, a supporting plate is fixedly installed at the top of an output shaft of the first push rod, a frame is fixedly installed on the left side of the top of the supporting plate, a connecting frame is fixedly installed at the top of the frame, and a top plate is fixedly installed at the top of the connecting frame;
a first control barrel is fixedly mounted at the top of the base, and a first clamping plate group is movably arranged at the top of the first control barrel;
a limiting groove is formed in the top plate, a limiting plate is connected to the inner wall of the limiting groove in a sliding mode, a sliding plate is fixedly connected to the top of the limiting plate, a threaded cylinder is fixedly installed at the bottom of the limiting plate, a lead screw is connected to the inner wall of the threaded cylinder in a threaded mode, the lead screw is fixedly connected to the top of an output shaft of a translation motor, and the translation motor is fixedly installed on the outer wall of a connecting frame;
and a second control cylinder is fixedly arranged at the bottom of the threaded cylinder, and a second clamping plate group is movably arranged at the bottom of the second control cylinder.
As a preferred technical scheme of the invention, the top of the supporting plate is also fixedly provided with a bearing seat for placing the rock block body, the inner wall of the frame type frame is fixedly provided with an air heater, and one end of an air outlet of the air heater faces the bearing seat.
As a preferable technical scheme of the invention, guide rods are inserted into the supporting plate and the top plate, and the guide rods are fixedly connected to two sides of the top of the base.
As a preferred technical scheme of the present invention, a movable groove is formed in the lower portion of the interior of the first clamping plate group, an adjusting plate is movably connected to the inner wall of the movable groove, T-shaped sliding grooves are formed in both sides of the top of the adjusting plate, a T-shaped sliding block is slidably connected to the inner wall of the T-shaped sliding groove, an output shaft of a second push rod is fixedly connected to the outer wall of the T-shaped sliding block, and the second push rod is fixedly mounted on the outer wall of the first clamping plate group.
As a preferred technical solution of the present invention, the outer walls of the first control cylinder and the second control cylinder are fixedly provided with driving motors, the top of an output shaft of each driving motor is fixedly connected with a screw, the outer walls of the left and right sides of the screw are respectively provided with a first thread and a second thread, the outer walls of the first thread and the second thread are respectively in threaded connection with a first nut and a second nut, the outer walls of the first nut and the second nut are respectively and fixedly connected with a first connecting piece and a second connecting piece, the first clamping plate group and the second clamping plate group both include a left clamping plate and a right clamping plate, and the left clamping plate and the right clamping plate are respectively and fixedly connected with the first nut and the second nut through the first connecting piece and the second connecting piece.
As a preferable technical solution of the present invention, the first thread and the second thread are provided in opposite directions on the screw.
As a preferable technical scheme, cavities are further uniformly formed in the left clamping plate and the right clamping plate, springs are fixedly connected to the inner walls of the cavities, pressing plates are fixedly connected to the tail ends of the springs, positioning columns are fixedly connected to the outer walls of the pressing plates, and the tail ends of the positioning columns extend to the outer portions of the left clamping plate and the right clamping plate.
(III) advantageous effects
Compared with the prior art, the invention provides a cutting device and a rock and soil material direct shear apparatus, which have the following beneficial effects:
1. this cutting device and direct appearance of cuticular material of cuting, through the latter half of first centre gripping group centre gripping rock mass body, through the first half of second centre gripping group centre gripping rock mass body, after the centre gripping is stable, make second centre gripping group move right, just can cut the centre gripping clearance department of rock mass body, it is better to cut the effect, operates also more simple and convenient.
2. This cutting device and direct appearance of cuticular shear of ground material are provided with the regulating plate in first centre gripping is organized, through the upper and lower position that changes the regulating plate, just can make the rock mass body upwards or move down, and is relative, the sheared position of rock mass body also just also changed, can shear the rock mass body in the position of difference.
3. This cutting device and direct appearance of cuting of ground material, the inside of first centre gripping group and second centre gripping group is provided with the reference column, and when the first centre gripping was organized and the second centre gripping was organized the centre gripping rock mass body, the reference column can be according to the shape self-adaptation of rock mass body and retract to in the rock mass body of centre gripping different shapes, fixed effect is better.
4. This cutting device and direct appearance of cuting of ground material are provided with the air heater in the frame type frame, and when shearing the rock mass body through first centre gripping group and second centre gripping group, the air heater can extract dust and piece that the rock mass body produced when sheared on the one hand through the negative pressure, and on the other hand also can preheat the rock mass body that bears on the seat, the diversification that the function is more.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a discrete body of the frame portion of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1 according to the present invention;
FIG. 4 is an enlarged, fragmentary view of a second cleat assembly in accordance with the invention;
FIG. 5 is an enlarged view of portion B of FIG. 1 according to the present invention;
fig. 6 is a perspective view of a portion of the threaded barrel of the present invention.
In the figure: 1-base, 2-first push rod, 3-supporting plate, 4-bearing seat, 5-frame, 6-hot air blower, 7-connecting frame, 8-top plate, 9-guide rod, 10-driving motor, 11-first control cylinder, 12-first clamping plate group, 13-second push rod, 14-T slide block, 15-T slide groove, 16-adjusting plate, 17-movable groove, 18-rock block body, 19-spacing groove, 20-spacing plate, 21-sliding plate, 22-thread cylinder, 23-screw rod, 24-translation motor, 25-second control cylinder, 26-second clamping plate group, 27-screw rod, 28-first thread, 29-second thread, 30-first nut, 31-second nut, 32-cavity, 33-spring, 34-pressing plate and 35-positioning column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the 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.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, 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 by those skilled in the art according to specific situations.
Referring to fig. 1-6, a cutting device and a direct shearing apparatus for rock and soil materials comprises a base 1, wherein a first push rod 2 is arranged inside the base 1, a support plate 3 is fixedly installed at the top of an output shaft of the first push rod 2, a frame 5 is fixedly installed at the left side of the top of the support plate 3, a connecting frame 7 is fixedly installed at the top of the frame 5, and a top plate 8 is fixedly installed at the top of the connecting frame 7;
a first control barrel 11 is fixedly installed at the top of the base 1, and a first clamping plate group 12 is movably arranged at the top of the first control barrel 11;
a limiting groove 19 is formed in the top plate 8, a limiting plate 20 is connected to the inner wall of the limiting groove 19 in a sliding mode, a sliding plate 21 is fixedly connected to the top of the limiting plate 20, a threaded cylinder 22 is fixedly installed at the bottom of the limiting plate 20, a screw rod 23 is connected to the inner wall of the threaded cylinder 22 in a threaded mode, the screw rod 23 is fixedly connected to the top of an output shaft of a translation motor 24, and the translation motor 24 is fixedly installed on the outer wall of the connecting frame 7;
the bottom of the threaded cylinder 22 is fixedly provided with a second control cylinder 25, and the bottom of the second control cylinder 25 is movably provided with a second clamping plate group 26.
In this embodiment, the top of layer board 3 is fixed mounting still bears seat 4 for place rock mass body 18, the inner wall fixed mounting of frame 5 has air heater 6, the one end orientation of air heater 6 air outlet bears seat 4, when cuting rock mass body 18 through first centre gripping group 12 and second centre gripping group 26, air heater 6 can extract dust and piece that rock mass body 18 produced when cuting through the negative pressure on the one hand, on the other hand also can preheat the rock mass body 18 of waiting to cut on bearing seat 4, the diversification that the function is more.
In this embodiment, the inside of layer board 3 and roof 8 is all pegged graft and is had guide bar 9, and guide bar 9 fixed connection is in the top both sides of base 1, through the removal of guide bar 9 restriction layer board 3 and roof 8, makes layer board 3 and roof 8's up-and-down motion more stable.
In this embodiment, movable groove 17 has been seted up to the inside below of first splint group 12, movable groove 17's inner wall swing joint has regulating plate 16, T type spout 15 has all been seted up to regulating plate 16's top both sides, T type spout 15's inner wall sliding connection has T type slider 14, T type slider 14's outer wall fixedly connected with second push rod 13's output shaft, second push rod 13 fixed mounting is on first splint group 12's outer wall, control second push rod 13 operation can make regulating plate 16 rise or descend, upper and lower position through changing regulating plate 16, just can make the piece body 18 of regulating plate 16 top upwards or the downstream, it is relative, the piece body 18 just also has been changed by the shearing position, thereby can shear piece body 18 in the position of difference.
In this embodiment, the driving motor 10 is fixedly installed on the outer walls of the first control cylinder 11 and the second control cylinder 25, the top of the output shaft of the driving motor 10 is fixedly connected with a screw 27, the outer walls of the left side and the right side of the screw 27 are respectively provided with a first thread 28 and a second thread 29, the outer walls of the first thread 28 and the second thread 29 are respectively in threaded connection with a first nut 30 and a second nut 31, the outer walls of the first nut 30 and the second nut 31 are respectively and fixedly connected with a first connecting piece and a second connecting piece, the first clamping plate group 12 and the second clamping plate group 26 both comprise a left clamping plate and a right clamping plate, the left clamping plate and the right clamping plate are respectively and fixedly connected with the first nut 30 and the second nut 31 through the first connecting piece and the second connecting piece, the opening directions of the first thread 28 and the second thread 29 on the screw 27 are opposite, the driving motor 10 is controlled to operate to enable the screw 27 fixedly connected, the screw 27 is rotated, and the first screw 28 and the second screw 29 which are opposite in direction are arranged on the outer wall of the screw, so that the first nut 30 and the second nut 31 can be driven to move in opposite directions, the first nut 30 and the second nut 31 move in opposite directions and drive the left clamping plate and the right clamping plate to be away from or close to each other, namely, the first clamping plate group 12 and the second clamping plate group 26 are in a loosening state or a clamping state, and the rock block body 18 is conveniently clamped and fixed.
In this embodiment, cavity 32 has still evenly been seted up to the inside of left splint and right splint, the inner wall fixedly connected with spring 33 of cavity 32, spring 33's terminal fixedly connected with clamp plate 34, the outer wall fixedly connected with reference column 35 of clamp plate 34, the end of reference column 35 extends to the outside of left splint and right splint, when first centre gripping group 12 and the 18 centre gripping rock mass bodies 18 of second centre gripping group, reference column 35 can retract according to the shape self-adaptation of rock mass body 18, so that the rock mass body 18 of different shapes of centre gripping, fixed effect is better.
The working principle and the using process of the invention are as follows:
the screw 27 fixedly connected with the top of the output shaft of the driving motor 10 can rotate by controlling the operation of the driving motor 10, the screw 27 can drive the first nut 30 and the second nut 31 to move in opposite directions by arranging the first thread 28 and the second thread 29 on the outer wall of the screw 27, and the first nut 30 and the second nut 31 can drive the left splint and the right splint to move away from or approach to each other by moving in opposite directions, namely the first splint group 12 and the second splint group 26 are in a loosening state or in a clamping state;
when the rock body 18 needs to be sheared, the rock body 18 is placed in the first clamping plate group 12, then the first clamping plate group 12 is clamped with each other, so that the bottom of the rock body 18 can be fixed, and then the second clamping plate group 26 is controlled to move, so that the second clamping plate group 26 is positioned at the upper half part of the rock body 18 and clamped, so that the upper half part of the rock body 18 can be fixed;
after the first clamping group 12 and the second clamping group 26 are stably clamped, the second clamping group 26 is controlled to move rightwards, so that the clamping gap of the rock block body 18 can be sheared, the shearing effect is better, and the operation is simpler and more convenient;
specifically, the supporting plate 3 at the top of the output shaft of the first push rod 2 can move up and down, the supporting plate 3 moves up and down and drives the top plate 8 to move up and down through the frame type frame 5 and the connecting frame 7, the top plate 8 moves up and down and can directly drive the second control cylinder 25 and the second clamping group 26 to move up and down, and the height of the second clamping group 26 is adjusted;
specifically, the screw rod 23 at the top of the output shaft of the translation motor 24 can be rotated by controlling the translation motor to operate, the screw rod 23 rotates to drive the threaded cylinder 22 in threaded connection with the outer wall of the screw rod to move, the sliding connection of the limiting plate 20 in the limiting groove 19 limits the rotation of the threaded cylinder 22, so that the threaded cylinder 22 can only be driven by the screw rod 23 to move in a left-right translation manner, the threaded cylinder 22 can drive the second control cylinder 25 and the second clamping group 26 to move in a left-right translation manner by moving in a left-right translation manner, and the rock block body 18 can be effectively sheared;
it is worth mentioning that an adjusting plate 16 is arranged in the first clamping group 12, the operation of the second push rod 13 is controlled to enable the adjusting plate 16 to ascend or descend, the rock block body 18 above the adjusting plate 16 can move upwards or downwards by changing the up-down position of the adjusting plate 16, and correspondingly, the sheared position of the rock block body 18 is changed, so that the rock block body 18 can be sheared at different positions;
it is worth mentioning that positioning columns 35 are further arranged inside the first clamping group 12 and the second clamping group 26, and when the first clamping group 12 and the second clamping group 18 clamp the rock body 18, the positioning columns 35 can retract in a self-adaptive manner according to the shape of the rock body 18, so that the rock bodies 18 in different shapes can be clamped conveniently, and the fixing effect is better;
it is worth mentioning that, be provided with air heater 6 in the frame type frame 5, when cuting rock mass body 18 through first centre gripping group 12 and second centre gripping group 26, air heater 6 on the one hand can extract dust and piece that rock mass body 18 produced when cuting through the negative pressure, and on the other hand also can preheat the rock mass body 18 of waiting to cut on bearing seat 4, the diversification that the function is more.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a cutting device and direct appearance of cuting of geotechnical material, includes base (1), its characterized in that: a first push rod (2) is arranged inside the base (1), a supporting plate (3) is fixedly mounted at the top of an output shaft of the first push rod (2), a frame (5) is fixedly mounted on the left side of the top of the supporting plate (3), a connecting frame (7) is fixedly mounted at the top of the frame (5), and a top plate (8) is fixedly mounted at the top of the connecting frame (7);
a first control cylinder (11) is fixedly mounted at the top of the base (1), and a first clamping plate group (12) is movably arranged at the top of the first control cylinder (11);
a limiting groove (19) is formed in the top plate (8), a limiting plate (20) is connected to the inner wall of the limiting groove (19) in a sliding mode, a sliding plate (21) is fixedly connected to the top of the limiting plate (20), a threaded cylinder (22) is fixedly installed at the bottom of the limiting plate (20), a lead screw (23) is connected to the inner wall of the threaded cylinder (22) in a threaded mode, the lead screw (23) is fixedly connected to the top of an output shaft of a translation motor (24), and the translation motor (24) is fixedly installed on the outer wall of the connecting frame (7);
the bottom of the threaded cylinder (22) is fixedly provided with a second control cylinder (25), and the bottom of the second control cylinder (25) is movably provided with a second clamping plate group (26).
2. The cutting device and the direct geotechnical material shearing apparatus according to claim 1, wherein: the top of layer board (3) is fixed mounting still bears seat (4) for place rock mass body (18), the inner wall fixed mounting of frame (5) has air heater (6), the one end orientation of air outlet of air heater (6) bears seat (4).
3. The cutting device and the direct geotechnical material shearing apparatus according to claim 1, wherein: the inner parts of the supporting plate (3) and the top plate (8) are all inserted with guide rods (9), and the guide rods (9) are fixedly connected to two sides of the top of the base (1).
4. The cutting device and the direct geotechnical material shearing apparatus according to claim 1, wherein: activity groove (17) have been seted up to the inside below of first splint group (12), the inner wall swing joint in activity groove (17) has regulating plate (16), T type spout (15) have all been seted up to the top both sides of regulating plate (16), the inner wall sliding connection of T type spout (15) has T type slider (14), the output shaft of the outer wall fixedly connected with second push rod (13) of T type slider (14), second push rod (13) fixed mounting is on the outer wall of first splint group (12).
5. The cutting device and the direct geotechnical material shearing apparatus according to claim 1, wherein: the outer wall of the first control barrel (11) and the outer wall of the second control barrel (25) are fixedly provided with a driving motor (10), the top of an output shaft of the driving motor (10) is fixedly connected with a screw rod (27), the outer walls of the left side and the right side of the screw rod (27) are respectively provided with a first thread (28) and a second thread (29), the outer walls of the first thread (28) and the second thread (29) are respectively in threaded connection with a first nut (30) and a second nut (31), the outer walls of the first nut (30) and the second nut (31) are respectively in fixed connection with a first connecting piece and a second connecting piece, the first clamping plate group (12) and the second clamping plate group (26) respectively comprise a left clamping plate and a right clamping plate, and the left clamping plate and the right clamping plate are respectively in fixed connection with the first nut (30) and the second nut (31) through the first connecting piece and the second connecting piece.
6. The cutting device and the direct geotechnical material shearing apparatus according to claim 5, wherein: the opening directions of the first thread (28) and the second thread (29) on the screw (27) are opposite.
7. The cutting device and the direct geotechnical material shearing apparatus according to claim 5, wherein: cavity (32) have still evenly been seted up to the inside of left side splint and right splint, the inner wall fixedly connected with spring (33) of cavity (32), terminal fixedly connected with clamp plate (34) of spring (33), the outer wall fixedly connected with reference column (35) of clamp plate (34), the end of reference column (35) extends to the outside of left splint and right splint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011511915.0A CN112643901A (en) | 2020-12-18 | 2020-12-18 | Cutting device and direct shearing instrument for rock and soil materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011511915.0A CN112643901A (en) | 2020-12-18 | 2020-12-18 | Cutting device and direct shearing instrument for rock and soil materials |
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|---|---|
| CN112643901A true CN112643901A (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011511915.0A Pending CN112643901A (en) | 2020-12-18 | 2020-12-18 | Cutting device and direct shearing instrument for rock and soil materials |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113713631A (en) * | 2021-09-22 | 2021-11-30 | 徐州洁诚环保科技有限公司 | Processing device for graphene ultrafiltration membrane |
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