CN217466429U - Direct shear apparatus shearing box positioning device - Google Patents
Direct shear apparatus shearing box positioning device Download PDFInfo
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- CN217466429U CN217466429U CN202123397618.0U CN202123397618U CN217466429U CN 217466429 U CN217466429 U CN 217466429U CN 202123397618 U CN202123397618 U CN 202123397618U CN 217466429 U CN217466429 U CN 217466429U
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- direct shear
- shear apparatus
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- apparatus body
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Abstract
The utility model provides a shearing box positioning device of a direct shear apparatus, which comprises a direct shear apparatus body, wherein an anti-friction unit and a direct shear apparatus fixing unit are arranged on the direct shear apparatus body; the friction reducing unit comprises a cylindrical mounting plate arranged between an upper metal box and a lower metal box of the direct shear apparatus body, and the cylindrical mounting plate is arranged at the top of the lower metal box of the direct shear apparatus body through a top column; the direct shear apparatus fixing unit comprises an operation mechanism and two pressing plates, wherein the operation mechanism enables the two pressing plates to fix two sides of the lower metal box of the direct shear apparatus body. Compared with the traditional installation of round beads, the cylindrical installation plate provided by the utility model greatly saves the efficiency, is suitable for lower metal boxes with various sizes and is convenient to install; the arranged running mechanism and the pressing plate can fix and position the lower metal boxes with various sizes.
Description
Technical Field
The utility model relates to a positioner field especially relates to a box positioner is cuted to staight scissors appearance.
Background
The direct shear apparatus is one of the most commonly used apparatuses in geotechnical practice, and a plurality of direct shear apparatuses with different characteristics, such as a stacked ring direct shear apparatus, a soft rock interface direct shear apparatus and the like, have evolved in recent years. With the complication of direct shear tests, the requirements for the shear box of the direct shear apparatus are higher and higher. The direct shear apparatus is an indoor apparatus for measuring the shear strength of soil, and is called as the direct shear apparatus for short. During measurement, a soil sample is placed between an upper metal box and a lower metal box of the direct shear apparatus, certain vertical pressure is applied to the soil sample through a pressure transmission plate and a ball, then horizontal thrust is applied to the lower box, and the sample is subjected to shearing displacement along the horizontal contact surfaces of the upper box and the lower box until the sample is damaged. Generally, a method of constant-speed shear strain is adopted, and the method is called strain control shear.
The invention relates to a movable shaft type ballast direct shear apparatus for gravel road, which is disclosed in the Chinese patent application No. CN201520068811.5, and comprises a counter force stressing frame and a direct shear apparatus main body arranged on the inner side of the counter force stressing frame, wherein the direct shear apparatus main body comprises a vertical loading mechanism vertically connected with the counter force stressing frame, a first shear box arranged below the vertical loading mechanism, a second shear box arranged below the first shear box, a horizontal loading mechanism horizontally connected with the first shear box, a base mechanism supporting the direct shear apparatus main body, and a data acquisition mechanism for acquiring pressure data and displacement data. The utility model discloses a shaft shifting type rubble railway tiny fragments of stone ballast staight scissors appearance is exclusively used in railway rubble railway tiny fragments of stone ballast performance and detects, has the dismouting simple and convenient, can accurately measure the characteristics of railway tiny fragments of stone ballast staight scissors performance, all connects through ball or roller bearing between its moving part, can offset the frictional force between the moving part, ensures the measuring precision in the at utmost and is favorable to increase of service life.
However, the installation of the device requires certain processes such as grooving and the like, which is not very convenient. And corresponding positioning mechanisms capable of fixing various sizes can be optimally arranged.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the defect that prior art exists, the utility model provides a box positioner is cuted to staight scissors appearance.
In order to solve the technical problem, the utility model discloses a technical scheme is: a shearing box positioning device of a direct shear apparatus comprises a direct shear apparatus body, wherein an anti-friction unit and a direct shear apparatus fixing unit are arranged on the direct shear apparatus body;
the friction reducing unit comprises a cylindrical mounting plate arranged between an upper metal box and a lower metal box of the direct shear apparatus body, the cylindrical mounting plate is arranged at the top of the lower metal box of the direct shear apparatus body through a top column, a cylinder is rotatably connected to the cylindrical mounting plate, the highest point of the cylinder is higher than the highest point of the cylindrical mounting plate, the lowest point of the cylinder is higher than the lowest point of the top column, and the cylindrical mounting plate is fixedly connected with the lower metal box of the direct shear apparatus body through a fixing mechanism;
the direct shear apparatus fixing unit comprises an operation mechanism and two pressing plates, wherein the operation mechanism enables the two pressing plates to fix two sides of the lower metal box of the direct shear apparatus body.
Further, fixed establishment includes first connecting plate, locking screw, the equal fixedly connected with first connecting plate in the left and right sides of cylinder mounting panel, threaded connection has locking screw on the first connecting plate, and is a plurality of locking screw will the both sides of staight scissors appearance body are fixed.
Furthermore, the operation mechanism comprises two fixed boxes, a first rotating shaft is rotatably connected to each of the two fixed boxes, a first bevel gear is fixedly connected to the outer wall of the first rotating shaft, a threaded rod is rotatably connected to the inner wall of each fixed box, a second bevel gear is fixedly connected to one side, away from the fixed box, of the threaded rod, and the second bevel gear is meshed with the first bevel gear;
the outer wall of the threaded rod is in threaded connection with a sliding block, one side of the sliding block is in limited sliding connection with the inner wall of the fixed box, a second connecting plate is fixedly connected onto the sliding block, the second connecting plate penetrates through the fixed box, and the part, which is arranged outside the fixed box, is fixedly connected with the pressing plate;
and the fixed box is provided with a power mechanism which enables the two first rotating shafts to do opposite circular motion.
Furthermore, the power mechanism comprises a first gear fixedly connected to the outer wall of one of the first rotating shafts, a second gear is rotatably connected to the fixed box, the first gear is meshed with the second gear, a belt is sleeved between the rotating shaft of the second gear and the other one of the first rotating shafts, and the power output end of the motor is connected with any one of the first rotating shafts.
Further, the outer wall of the pressure plate is provided with a rubber layer.
Compared with the prior art, the beneficial effects of the utility model include: the arranged cylinders can enable the upper metal box and the lower metal box of the direct shear apparatus body to roll mutually, thereby greatly reducing the influence of friction force and enabling the test to be more accurate;
compared with the traditional installation of round beads, the arranged cylindrical installation plate greatly saves the efficiency, is suitable for lower metal boxes with various sizes and is convenient to install;
the arranged running mechanism and the pressing plate can fix and position the lower metal boxes with various sizes.
Drawings
The disclosure of the present invention is explained with reference to the drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:
fig. 1 schematically shows an overall structure of a proposed apparatus according to an embodiment of the present invention;
fig. 2 schematically shows a cross-sectional structural view of a stationary box according to an embodiment of the present invention.
Reference numbers in the figures: 1. a direct shear apparatus body; 2. a cylindrical mounting plate; 3. a top pillar; 4. a cylinder; 5. a first connecting plate; 6. locking screws; 7. pressing a plate; 8. a second connecting plate; 9. a first gear; 10. a second gear; 11. a belt; 12. a first rotating shaft; 13. a motor; 14. a fixed box; 15. a threaded rod; 16. a first bevel gear; 17. a second bevel gear; 18. and a slider.
Detailed Description
It is easily understood that, according to the technical solution of the present invention, a plurality of alternative structural modes and implementation modes can be proposed by those skilled in the art without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical solutions of the present invention, and should not be considered as limiting or restricting the technical solutions of the present invention in their entirety or in any other way.
An embodiment according to the present invention is shown in conjunction with fig. 1 to 2. A shearing box positioning device of a direct shear apparatus comprises a direct shear apparatus body 1, wherein an anti-friction unit and a direct shear apparatus fixing unit are arranged on the direct shear apparatus body 1;
the friction reducing unit comprises a cylindrical mounting plate 2 arranged between an upper metal box and a lower metal box of the direct shear apparatus body 1, the cylindrical mounting plate 2 is arranged at the top of the lower metal box of the direct shear apparatus body 1 through a top column 3, a cylinder 4 is rotatably connected onto the cylindrical mounting plate 2, the highest point of the cylinder 4 is higher than the highest point of the cylindrical mounting plate 2, the lowest point of the cylinder 4 is higher than the lowest point of the top column 3, and the cylindrical mounting plate 2 is fixedly connected with the lower metal box of the direct shear apparatus body 1 through a fixing mechanism;
the fixed unit of direct shear apparatus includes operation mechanism and two clamp plates 7, and operation mechanism makes two clamp plates 7 fixed with the lower metal box both sides of direct shear apparatus body 1. Corresponding soil sample is put into in staight scissors appearance body 1, tests through vertical compression power spare and horizontal power spare, then places cylinder mounting panel 2 at the top of metal box down, and cylinder mounting panel 2 settles the top of metal box under through fore-set 3, and upper and lower metal box and various accessories this moment can refer to the reference file in the background art like this technical field personnel. At this moment, go up metal cassette and metal cassette down and pass through 4 mutual sliding connection of cylinder, reduced the effect of frictional force for data test's is more accurate. The cylindrical mounting plate 2 is then fixed to the lower metal box by a fixing mechanism. Make the metal box and the stable removal of metal down, compare the comparison patent, need not install the steel ball, have higher efficiency, and applicable in the upper and lower metal box of multiple size.
And the two pressing plates 7 fix the lower metal boxes with various sizes through the operation mechanism, so that the stable test is facilitated.
Specifically, fixed establishment includes first connecting plate 5, locking screw 6, and the equal fixedly connected with first connecting plate 5 in the left and right sides of cylinder mounting panel 2, threaded connection has locking screw 6 on first connecting plate 5, and a plurality of locking screws 6 are fixed with the both sides of staight scissors appearance body 1. The cylindrical mounting plate 2 can be fixed on lower metal boxes with various sizes by screwing the locking screws 6 on the left side and the right side.
6. Specifically, the operation mechanism comprises two fixed boxes 14, a first rotating shaft 12 is rotatably connected to each of the two fixed boxes 14, a first bevel gear 16 is fixedly connected to the outer wall of the first rotating shaft 12, a threaded rod 15 is rotatably connected to the inner wall of each fixed box 14, a second bevel gear 17 is fixedly connected to one side, away from the fixed box 14, of the threaded rod 15, and the second bevel gear 17 is meshed with the first bevel gear 16;
the outer wall of the threaded rod 15 is in threaded connection with a sliding block 18, one side of the sliding block 18 is in limited sliding connection with the inner wall of the fixed box 14, a second connecting plate 8 is fixedly connected onto the sliding block 18, the second connecting plate 8 penetrates through the fixed box 14, and the part of the second connecting plate, which is arranged outside the fixed box 14, is fixedly connected with a pressing plate 7;
the fixed box 14 is provided with a power mechanism which enables the two first rotating shafts 12 to do opposite circular motion. The starting motor 13 drives the first rotating shaft 12 to rotate, the first rotating shaft 12 enables the threaded rod 15 to rotate through the matching of the first bevel gear 16 and the second bevel gear 17, the sliding block 18 with limiting sliding is driven to move, and then the two power blocks 18 are enabled to be close to the middle through the power mechanism to fix the lower metal box.
Specifically, the power mechanism comprises a first gear 9 fixedly connected to the outer wall of one of the first rotating shafts 12, a second gear 10 is rotatably connected to the fixed box 14, the first gear 9 and the second gear 10 are meshed with each other, a belt 11 is sleeved between a rotating shaft of the second gear 10 and the other first rotating shaft 12, and the power output end of the motor 13 is connected with any one of the first rotating shafts 12. The rotating first rotating shaft 12 rotates the second gear 10 and the rotating shaft of the second gear 10 through the belt 11. Then, the second gear 10 rotates the other first rotating shaft 12 by the meshing of the first gears 9.
Specifically, the outer wall of the pressing plate 7 is provided with a rubber layer. So that the pressing of the pressing plate 7 is more stable and safe.
In this embodiment, put into corresponding soil sample in staight scissors appearance body 1, can test through vertical compression power spare and horizontal power spare, then place cylinder mounting panel 2 at the top of metal box down, cylinder mounting panel 2 settles the top of metal box under through fore-set 3, and upper and lower metal box and various accessories at this moment can refer to the reference file in the background art like this technical field personnel of non-this technical field. At this moment, go up metal cassette and metal cassette down and pass through 4 mutual sliding connection of cylinder, reduced the effect of frictional force for data test's is more accurate. Then the cylindrical mounting plate 2 can be fixed on lower metal boxes with various sizes by screwing the locking screws 6 at the left side and the right side. Make the stable removal of metal box and lower metal, compare the comparison patent, need not install the steel ball, have higher efficiency, and applicable in the upper and lower metal box of multiple size.
The starting motor 13 drives the first rotating shaft 12 to rotate, the first rotating shaft 12 enables the threaded rod 15 to rotate through the matching of the first bevel gear 16 and the second bevel gear 17, the sliding block 18 which slides in a limiting mode is driven to move, and the rotating first rotating shaft 12 drives the rotating shafts of the second gear 10 and the second gear 10 to rotate through the belt 11. Then, the second gear 10 rotates the other first rotating shaft 12 by the meshing of the first gears 9. The two power blocks 18 are close to each other towards the middle to fix the lower metal box, so that stable testing is facilitated.
The technical scope of the present invention is not limited to the content in the above description, and those skilled in the art can make various modifications and alterations to the above embodiments without departing from the technical spirit of the present invention, and these modifications and alterations should fall within the protection scope of the present invention.
Claims (5)
1. A direct shear apparatus shearing box positioning device comprises a direct shear apparatus body (1), and is characterized in that a friction reducing unit and a direct shear apparatus fixing unit are arranged on the direct shear apparatus body (1);
the friction reducing unit comprises a cylindrical mounting plate (2) arranged between an upper metal box and a lower metal box of the direct shear apparatus body (1), the cylindrical mounting plate (2) is arranged at the top of the lower metal box of the direct shear apparatus body (1) through a support pillar (3), a cylinder (4) is rotatably connected onto the cylindrical mounting plate (2), the highest point of the cylinder (4) is higher than that of the cylindrical mounting plate (2), the lowest point of the cylinder (4) is higher than that of the support pillar (3), and the cylindrical mounting plate (2) is fixedly connected with the lower metal box of the direct shear apparatus body (1) through a fixing mechanism;
the direct shear apparatus fixing unit comprises an operation mechanism and two pressing plates (7), wherein the operation mechanism enables the two pressing plates (7) to fix two sides of a lower metal box of the direct shear apparatus body (1).
2. The direct shear apparatus shear box positioning device according to claim 1, wherein the fixing mechanism comprises a first connecting plate (5) and locking screws (6), the first connecting plate (5) is fixedly connected to both the left side and the right side of the cylindrical mounting plate (2), the locking screws (6) are connected to the first connecting plate (5) in a threaded manner, and the locking screws (6) fix both sides of the direct shear apparatus body (1).
3. A positioning device for a shear box of a direct shear apparatus as claimed in claim 2, wherein said operating mechanism comprises two fixed boxes (14), a first rotating shaft (12) is rotatably connected to each of the two fixed boxes (14), a first bevel gear (16) is fixedly connected to the outer wall of the first rotating shaft (12), a threaded rod (15) is rotatably connected to the inner wall of the fixed box (14), a second bevel gear (17) is fixedly connected to the side of the threaded rod (15) far away from the fixed box (14), and the second bevel gear (17) is meshed with the first bevel gear (16);
the outer wall of the threaded rod (15) is in threaded connection with a sliding block (18), one side of the sliding block (18) is in limited sliding connection with the inner wall of the fixed box (14), a second connecting plate (8) is fixedly connected onto the sliding block (18), the second connecting plate (8) penetrates through the fixed box (14), and the part, which is arranged outside the fixed box (14), is fixedly connected with the pressing plate (7);
and the fixed box (14) is provided with a power mechanism which enables the two first rotating shafts (12) to do opposite circular motion.
4. A positioning device for a shear box of a direct shear apparatus as claimed in claim 3, wherein said power mechanism comprises a first gear (9) fixedly connected to the outer wall of one of the first rotating shafts (12), said fixed box (14) is rotatably connected with a second gear (10), said first gear (9) and said second gear (10) are engaged with each other, a belt (11) is sleeved between the rotating shaft of said second gear (10) and the other of said first rotating shafts (12), and the power output end of the motor (13) is connected with any one of the first rotating shafts (12).
5. A direct shear cartridge positioning device according to claim 1, wherein the outer wall of the pressure plate (7) is provided with a rubber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123397618.0U CN217466429U (en) | 2021-12-30 | 2021-12-30 | Direct shear apparatus shearing box positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123397618.0U CN217466429U (en) | 2021-12-30 | 2021-12-30 | Direct shear apparatus shearing box positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217466429U true CN217466429U (en) | 2022-09-20 |
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ID=83262595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123397618.0U Active CN217466429U (en) | 2021-12-30 | 2021-12-30 | Direct shear apparatus shearing box positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217466429U (en) |
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2021
- 2021-12-30 CN CN202123397618.0U patent/CN217466429U/en active Active
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