CN216524938U - Bentonite building block's coring device - Google Patents
Bentonite building block's coring device Download PDFInfo
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- CN216524938U CN216524938U CN202123271202.4U CN202123271202U CN216524938U CN 216524938 U CN216524938 U CN 216524938U CN 202123271202 U CN202123271202 U CN 202123271202U CN 216524938 U CN216524938 U CN 216524938U
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Abstract
The utility model discloses a bentonite block coring device, which comprises an object stage and a rack; the top surface of the objective table is provided with a building block placing area and a pressing mechanism, and the pressing mechanism can press the bentonite building blocks on the building block placing area; the frame is provided with a lifting device capable of driving the cross beam to lift, the cross beam is fixedly provided with a driving motor, the bottom of an output shaft of the driving motor is a hollow shaft, the driving motor is further fixedly provided with a sleeve which is arranged on the output shaft, the side wall of the sleeve is fixedly provided with a ventilation hole communicated with the air cooling device, the hollow shaft is provided with an air inlet hole, the ventilation hole and the air inlet hole are communicated with a gap, and the hollow shaft is in threaded connection with the hollow drill bit. The utility model can efficiently and completely core samples from the bentonite building blocks.
Description
Technical Field
The utility model relates to the technical field of high-level waste geological disposal buffer material building block performance research, in particular to a coring device for bentonite building blocks.
Background
In the field of high-level waste geological disposal, the buffer material is usually wrapped around the waste tank in a high-compaction block stacking mode, and the safety and the stability of a geological disposal warehouse are effectively guaranteed. The buffer material building block is generally in a masonry structure form with a certain shape and compactness by pressing bentonite powder raw materials with specific water content in a static compaction mode. In the preparation process of the buffer material building block, due to the influence factors such as raw material components, pressing process and the like, the high-compaction building block generates anisotropy. In order to adjust and optimize the pressing process and comprehensively master the engineering performance parameters of the prepared building blocks, sample coring work needs to be carried out on the large building blocks, the uniformity degree of the building blocks at different positions is detected, and the preparation performance of the building blocks is evaluated.
Conventional rock and geology class coring device often need add water cooling at coring in-process, utilizes rivers to rush out the piece simultaneously to realize coring work. But for bentonite blocks, water cannot be added during coring because the blocks can be damaged when they encounter water. If the core is directly taken, the core bit generates high temperature under high-speed rotation, which causes the phenomenon of sample drying, so that the sample deviates from the actual state and the engineering performance test is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a coring device for bentonite blocks, which aims to solve the problems in the prior art, efficiently and completely core samples from the bentonite blocks and provide sample support for performance test of the bentonite blocks.
In order to achieve the purpose, the utility model provides the following scheme:
the utility model provides a bentonite block coring device, which comprises an object stage and a rack, wherein the object stage is arranged on the rack;
a building block placing area and a pressing mechanism are arranged on the top surface of the objective table, a bentonite building block is placed on the building block placing area, and the pressing mechanism can press the bentonite building block tightly;
the improved bentonite block production device is characterized in that a lifting device is arranged on the rack, the lifting device can drive a cross beam to lift, the cross beam is located above a bentonite block, a driving motor is fixedly arranged on the cross beam, the bottom of an output shaft of the driving motor is a hollow shaft, a sleeve on the output shaft is fixedly arranged on the driving motor, a gap is formed between the output shaft and the sleeve, a ventilation hole communicated with an air outlet of an air cooling device is fixedly arranged on the side wall of the sleeve, an air inlet hole is formed in the side wall of the hollow shaft, the ventilation hole and the air inlet hole are communicated with the gap, the hollow shaft is in threaded connection with a hollow drill bit, the hollow part of the hollow shaft is communicated with the hollow part of the hollow drill bit, and the hollow drill bit is opposite to the bentonite block.
Preferably, the output shaft, the hollow drill bit and the sleeve are coaxial.
Preferably, the pressing mechanism comprises at least two pressing plates and at least four pressing rods distributed along the circumferential direction of the building block placing area, the bottom ends of the pressing rods are fixedly connected with the objective table, each pressing plate can be sleeved on any two pressing rods, each pressing rod is in threaded connection with a bolt, the pressing plates are pressed downwards through the bolts in a screwing mode, and therefore the pressing plates press the bentonite building blocks in the building block placing area.
Preferably, the bottom surface of the pressing plate is provided with a buffer layer, and the buffer layer is made of flexible polytetrafluoroethylene.
Preferably, the object stage is provided with a bolt hole corresponding to each pressure lever, and the bottom ends of the pressure levers are in threaded connection with the corresponding bolt holes.
Preferably, the rack comprises a top plate and at least three upright posts, and the top ends of the upright posts are fixedly connected with the top plate; the stand the objective table the crossbeam the driving motor hollow bit reaches hold-down mechanism all is located the sealed cowling, the top of sealed cowling with the bottom sealing connection of roof, the bottom and ground or workstation sealing connection of sealed cowling.
Preferably, the cross beam is sleeved on at least two of the upright posts in a sliding manner.
Preferably, the sealing cover is also provided with a dust removal pipe, one end of the dust removal pipe is communicated with the space covered by the sealing cover, and the other end of the dust removal pipe is communicated with a dust suction port of a dust removal device; the dust removal device adopts a dust remover.
Preferably, the air cooling device adopts an air cooler; the lifting device adopts a hydraulic cylinder, and the cross beam is fixedly connected with a hydraulic rod of the hydraulic cylinder; the bottom of objective table is provided with at least three universal wheels from taking locking function.
The utility model also provides a coring method of the bentonite building block, and the coring device based on the bentonite building block comprises the following steps:
(1) placing a bentonite block to be cored on a block placing area of an objective table, and compacting the bentonite block to be cored by a compacting mechanism;
(2) starting the driving motor and the air cooling device, driving the beam to descend through the lifting device, enabling the hollow drill bit to be in contact with the bentonite building block to be cored, and continuously feeding the bentonite building block vertically downwards to core;
(3) after the bentonite block to be cored is drilled through by the hollow drill bit, the beam is driven to ascend through the lifting device, so that the hollow drill bit leaves the bentonite block; and closing the driving motor and the air cooling device.
Compared with the prior art, the utility model achieves the following technical effects:
the coring device for the bentonite building blocks can efficiently and completely core samples from the bentonite building blocks and provide sample support for performance test of the bentonite building blocks. The bentonite block coring device disclosed by the utility model adopts a low-temperature air cooling mode, realizes the removal of chips while cooling, keeps the water content of a sample to the maximum extent, and effectively improves the sample drilling speed; the bentonite block coring device adopts a multi-upright-column structural form, and is provided with the sample clamping tool, so that the stability of the coring device is enhanced, the eccentric rotation of a drill bit is effectively reduced, and the integrity of a coring sample is ensured; according to the bentonite block coring device, the drilling process is mechanically controlled, the drilling feeding is not needed to be manually carried out, the uninterrupted uniform drilling is realized, and the sample coring efficiency and integrity are improved; according to the bentonite block coring device, the sample carrying platform can move on a two-dimensional space plane, so that samples at different positions can be conveniently drilled; the bentonite block coring device disclosed by the utility model realizes full sealing, and meanwhile, the dust removal device is adopted, so that no dust flies in the whole process of coring, and the health of operators is effectively ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a coring device for bentonite blocks of the present invention;
wherein: 1. a top plate; 2. a cross beam; 3. a hollow drill bit; 4. a column; 5. pressing a plate; 6. a sealing cover; 7. a pressure lever; 8. an air-cooled pipe; 9. a bolt; 10. building blocks of bentonite; 11. a dust removal pipe; 12. an object stage; 13. a drive motor; 14. a hydraulic cylinder; 15. a hydraulic lever; 16. an output shaft; 17. a sleeve; 18. and air inlet holes.
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 obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The utility model aims to provide a coring device for bentonite blocks, which aims to solve the problems in the prior art, efficiently and completely core samples from the bentonite blocks and provide sample support for performance test of the bentonite blocks.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1: the embodiment provides a bentonite block coring device, which comprises an object stage 12 and a frame.
The top surface of the objective table 12 is provided with a building block placing area and a pressing mechanism, the bentonite building block 10 is placed on the building block placing area, and the pressing mechanism can press the bentonite building block 10 tightly; hold-down mechanism includes that two at least clamp plates 5 and four at least depression bars 7 of placing district's circumference along the building block distribute, and the bottom and the objective table 12 of depression bar 7 link firmly, and every clamp plate 5 can both overlap and establish on two arbitrary depression bars 7, and equal threaded connection has a bolt 9 on every depression bar 7, compresses tightly clamp plate 5 downwards through screwing bolt 9 to make clamp plate 5 compress tightly the bentonite building block 10 that the building block placed the district. The bottom surface of the pressing plate 5 is provided with a buffer layer, and the buffer layer is made of flexible polytetrafluoroethylene. The objective table 12 is provided with a bolt 9 hole corresponding to each pressure lever 7, and the bottom end of each pressure lever 7 is in threaded connection with the corresponding bolt 9 hole. At least three universal wheels with locking function are arranged at the bottom end of the object stage 12.
The rack comprises a top plate 1 and at least three upright posts 4, wherein the top ends of the upright posts 4 are fixedly connected with the top plate 1; a double-rod hydraulic cylinder 14 is arranged on the top plate 1, and the cross beam 2 is fixedly connected with a hydraulic rod 15 of the hydraulic cylinder 14; the hydraulic cylinder 14 can drive the cross beam 2 to lift, and the cross beam 2 is sleeved on the at least two upright posts 4 in a sliding manner. The cross beam 2 is positioned above the bentonite building block 10, the cross beam 2 is fixedly provided with a driving motor 13, the bottom of an output shaft 16 of the driving motor 13 is a hollow shaft, the driving motor 13 is further fixedly provided with a sleeve 17 which is sleeved on the output shaft 16, a gap is arranged between the output shaft 16 and the sleeve 17, a vent hole which is communicated with an air outlet of an air cooling device through an air cooling pipe 8 is fixedly arranged on the side wall of the sleeve 17, the side wall of the hollow shaft is provided with a plurality of air inlet holes 18, the vent hole and the air inlet holes 18 are communicated with the gap, the hollow shaft is in threaded connection with the hollow drill bit 3, specifically, the bottom end of the hollow shaft is provided with an external thread, the top end of the hollow drill bit 3 is provided with an internal thread, the bottom end of the hollow shaft is in threaded connection with the top end of the hollow drill bit 3, the hollow part of the hollow shaft is communicated with the hollow part of the hollow drill bit 3, and the hollow bit 3 is opposite to the bentonite building block 10; the output shaft 16, the hollow shaft, the hollow drill bit 3 and the sleeve 17 are coaxial, and the air cooling device adopts an air cooler.
The upright column 4, the objective table 12, the cross beam 2, the driving motor 13, the hollow drill bit 3 and the pressing mechanism are all located in the sealing cover 6, the top end of the sealing cover 6 is in sealing connection with the bottom end of the top plate 1, and the bottom end of the sealing cover 6 is in sealing connection with the ground or the workbench.
The sealing cover 6 is also provided with a dust removal pipe 11, one end of which is communicated with the space covered by the sealing cover 6, and the other end of the dust removal pipe 11 is communicated with a dust suction port of a dust removal device; the dust removing device adopts a dust remover.
The embodiment also provides a method for coring the bentonite building block, and the coring device based on the bentonite building block comprises the following steps:
(1) placing the bentonite block 10 to be cored on a block placing area of an objective table 12, and compacting the bentonite block 10 to be cored by a compacting mechanism;
(2) the driving motor 13, the air cooling device and the dust removing device are started, the lifting device drives the beam 2 to descend, so that the hollow drill bit 3 is in contact with the bentonite building block 10 to be cored, the bentonite building block continues to be fed vertically downwards for coring, cold air is blown out through the cold air pipe and the air vent, enters the hollow part of the hollow drill bit 3 through the gap between the sleeve 17 and the hollow drill bit 3 and the air inlet 18, the hollow drill bit 3 is cooled from the inside, and meanwhile, dust and chips generated in the coring process of the hollow drill bit 3 can be blown out through the cold air, so that the coring efficiency is improved;
(3) after the bentonite building block 10 to be cored is drilled through by the hollow drill bit 3, the beam 2 is driven to ascend through the lifting device, so that the hollow drill bit 3 leaves the bentonite building block 10; and the drive motor 13, the air cooling device and the dust removing device are turned off.
In the description of the present invention, it should be noted that the terms "top", "bottom", "vertical", "horizontal", "inner", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the utility model.
Claims (9)
1. The utility model provides a coring device of bentonite building block which characterized in that: comprises an object stage and a frame;
a building block placing area and a pressing mechanism are arranged on the top surface of the objective table, a bentonite building block is placed on the building block placing area, and the pressing mechanism can press the bentonite building block tightly;
the improved bentonite block production device is characterized in that a lifting device is arranged on the rack, the lifting device can drive a cross beam to lift, the cross beam is located above a bentonite block, a driving motor is fixedly arranged on the cross beam, the bottom of an output shaft of the driving motor is a hollow shaft, a sleeve on the output shaft is fixedly arranged on the driving motor, a gap is formed between the output shaft and the sleeve, a ventilation hole communicated with an air outlet of an air cooling device is fixedly arranged on the side wall of the sleeve, an air inlet hole is formed in the side wall of the hollow shaft, the ventilation hole and the air inlet hole are communicated with the gap, the hollow shaft is in threaded connection with a hollow drill bit, the hollow part of the hollow shaft is communicated with the hollow part of the hollow drill bit, and the hollow drill bit is opposite to the bentonite block.
2. The bentonite block coring device of claim 1, wherein: the output shaft, the hollow drill bit and the sleeve are coaxial.
3. The bentonite block coring device of claim 1, wherein: the pressing mechanism comprises at least two pressing plates and at least four pressing rods distributed along the circumferential direction of the building block placing area, the bottom ends of the pressing rods are fixedly connected with the objective table, each pressing plate can be sleeved on any two pressing rods, each pressing rod is connected with a bolt in a threaded manner, the pressing plates are pressed downwards through screwing the bolts, and therefore the pressing plates press the bentonite building blocks in the building block placing area.
4. The bentonite block coring device of claim 3, wherein: the bottom surface of clamp plate is provided with the buffer layer, the material of buffer layer is flexible polytetrafluoroethylene.
5. The bentonite block coring device of claim 3, wherein: the object stage is provided with a bolt hole corresponding to each compression bar, and the bottom ends of the compression bars are in threaded connection with the corresponding bolt holes.
6. The bentonite block coring device of claim 1, wherein: the rack comprises a top plate and at least three upright posts, and the top ends of the upright posts are fixedly connected with the top plate; the stand the objective table the crossbeam the driving motor hollow bit reaches hold-down mechanism all is located the sealed cowling, the top of sealed cowling with the bottom sealing connection of roof, the bottom and ground or workstation sealing connection of sealed cowling.
7. The bentonite block coring device of claim 6, wherein: the cross beam is sleeved on at least two of the stand columns in a sliding mode.
8. The bentonite block coring device of claim 6, wherein: the sealing cover is also provided with a dust removal pipe, one end of the dust removal pipe is communicated with the space covered by the sealing cover, and the other end of the dust removal pipe is communicated with a dust suction port of a dust removal device; the dust removal device adopts a dust remover.
9. The bentonite block coring device of claim 1, wherein: the air cooling device adopts an air cooler; the lifting device adopts a hydraulic cylinder, and the cross beam is fixedly connected with a hydraulic rod of the hydraulic cylinder; the bottom of objective table is provided with at least three universal wheels from taking locking function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123271202.4U CN216524938U (en) | 2021-12-23 | 2021-12-23 | Bentonite building block's coring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123271202.4U CN216524938U (en) | 2021-12-23 | 2021-12-23 | Bentonite building block's coring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216524938U true CN216524938U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123271202.4U Active CN216524938U (en) | 2021-12-23 | 2021-12-23 | Bentonite building block's coring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216524938U (en) |
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2021
- 2021-12-23 CN CN202123271202.4U patent/CN216524938U/en active Active
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