CN209945768U

CN209945768U - Sampling device for rock mechanics experiments

Info

Publication number: CN209945768U
Application number: CN201920735102.6U
Authority: CN
Inventors: 方照联
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-01-14
Anticipated expiration: 2029-05-22

Abstract

The utility model relates to a mechanical test technical field discloses a sampling device for rock mechanics experiments, including the roof, the roof left and right sides sliding connection guide bar, guide bar bottom fixed connection lifter plate, lifter plate lower surface middle part are rotated and are connected the pivot, pivot lower extreme fixed connection drill bit, the roof lower surface is equipped with the support column all around, support column bottom fixed connection lock ring, the lifter plate right side is equipped with driving motor. The utility model is suitable for a sampling device among the rock mechanics is experimental supports whole device through setting up support column and lock ring for operating personnel need not grip this device always when using this device, and through the relative rotation between lead screw and the roof, make the lifter plate can the downstream, saved the step that the manual work was pressed, operating personnel's physical power has been saved to whole device, and get more convenient, suitable using widely.

Description

Sampling device for rock mechanics experiments

Technical Field

The utility model relates to a mechanical test technical field specifically is a sampling device for rock mechanics experiments.

Background

When an operator samples a small area of rock, drilling or laser sampling is typically used. The drilling machine is mainly used for sampling by driving a drill bit to directly sample at a sampling position. Laser sampling is mainly based on laser ablation of a sample to achieve the purpose of sampling.

Chinese patent (publication No. CN 208297166U) discloses a sampling device for rock mechanics experiments, which comprises a shock absorption box, wherein fixed pipes are welded at four corners of the bottom of an inner cavity of the shock absorption box, springs are welded at the bottom of the inner cavity of the fixed pipes, limiting plates are welded at the tops of the springs, connecting rods are welded at the tops of the limiting plates and penetrate through the tops of the fixed pipes and the springs, operating rods are welded at the tops of the connecting rods, a driving device is installed at the bottom of the inner cavity of the mounting box, the output end of the driving device penetrates through the top of the mounting box, a main rod is welded at the bottom of the output end of the driving device, the device is provided with the springs through the inner cavity of the fixed pipes which is installed inside the shock absorption box, when a drill bit is used for sampling materials, the vibration generated by the driving device is transmitted to the springs, however, the device needs to be manually held by the whole device, and needs to be manually pressed downwards to realize the drilling, so that the device needs to be improved due to the fact that much physical force is consumed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sampling device for rock mechanics experiments has solved the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a sampling device for rock mechanics experiments comprises a top plate, guide rods are slidably connected on the left side and the right side of the top plate, a lifting plate is fixedly connected at the bottom of each guide rod, a rotating shaft is rotatably connected in the middle of the lower surface of each lifting plate, a drill bit is fixedly connected at the lower end of each rotating shaft, the supporting columns are arranged on the periphery of the lower surface of the top plate, supporting rings are fixedly connected to the bottoms of the supporting columns, a driving motor is arranged on the right side of the lifting plate, an output shaft of the driving motor is fixedly connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, the second bevel gear is fixedly connected with the middle of a main shaft, the lower end of the main shaft is fixedly connected with a first belt wheel, the first belt wheel is connected with a second belt wheel through a first belt, the second belt wheel is fixedly connected with the middle of a rotating shaft, the upper end of the main shaft is fixedly connected with a third belt wheel, the third belt wheel is connected with a fourth belt wheel through a.

As an optimal technical scheme of the utility model, the lead screw lower extreme rotates and connects lifter plate upper surface middle part.

As an optimized technical scheme of the utility model, the roof upper surface is equipped with the handle.

As an optimized technical scheme of the utility model, guide bar upper end fixed connection stopper.

As an optimized technical scheme of the utility model, the main shaft rotates and connects the lifter plate.

As an optimized technical proposal of the utility model, the bottom of the drill bit is provided with teeth.

As a preferred technical scheme of the utility model, the pivot lower part is rotated and is connected the fixing base, fixing base side fixed connection bracing piece, upper end of the support bar fixed connection lifter plate lower surface.

The utility model discloses have following useful part:

the utility model is suitable for a sampling device among the rock mechanics is experimental supports whole device through setting up support column and lock ring for operating personnel need not grip this device always when using this device, and through the relative rotation between lead screw and the roof, make the lifter plate can the downstream, saved the step that the manual work was pressed, operating personnel's physical power has been saved to whole device, and get more convenient, suitable using widely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a sampling device for rock mechanics experiments.

Fig. 2 is a front view of a sampling device for rock mechanics experiments.

Fig. 3 is a top view of a sampling device for rock mechanics experiments.

Fig. 4 is a schematic perspective view of a spindle connection part in a material drawing device for rock mechanics experiments.

In the figure: 1. a support ring; 2. a support pillar; 3. a drill bit; 4. a fixed seat; 5. a support bar; 6. a lifting plate; 7. a guide bar; 8. a top plate; 9. a limiting block; 10. a handle; 11. a first pulley; 12. a first belt; 13. a second pulley; 14. a rotating shaft; 15. a main shaft; 16. a second gear; 17. a first bevel gear; 18. a drive motor; 19. a third belt pulley; 20. a second belt; 21. a fourth pulley; 22. and a screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1-4, a sampling device for rock mechanics experiments comprises a top plate 8, a handle 10 is disposed on the upper surface of the top plate 8, guide rods 7 are slidably connected to the left and right sides of the top plate 8, a limiting block 9 is fixedly connected to the upper ends of the guide rods 7, a lifting plate 6 is fixedly connected to the bottom of the guide rods 7, a rotating shaft 14 is rotatably connected to the middle of the lower surface of the lifting plate 6, a drill bit 3 is fixedly connected to the lower end of the rotating shaft 14, teeth are disposed at the bottom of the drill bit 3, support columns 2 are disposed on the periphery of the lower surface of the top plate 8, a support ring 1 is fixedly connected to the bottom of each support column 2, a driving motor 18 is disposed on the right side of the lifting plate 6, an output shaft of the driving motor 18 is fixedly connected to a first bevel gear 17, the first bevel gear 17 is engaged with a second bevel gear, the second bevel gear is fixedly, the second belt wheel 13 is fixedly connected with the middle part of the rotating shaft 14, the upper end of the main shaft 15 is fixedly connected with a third belt wheel 19, the third belt wheel 19 is connected with a fourth belt wheel 21 through a second belt 20, the fourth belt wheel 21 is fixedly connected with the lower part of a screw rod 22, the lower end of the screw rod 22 is rotatably connected with the middle part of the upper surface of the lifting plate 6, and the middle part of the screw rod 22 is in threaded connection with the middle part of the top plate.

Example two

Referring to fig. 1, the other contents of the present embodiment are the same as those of the first embodiment, except that: the lower part of the rotating shaft 14 is rotatably connected with a fixed seat 4, the side surface of the fixed seat 4 is fixedly connected with a supporting rod 5, and the upper end of the supporting rod 5 is fixedly connected with the lower surface of the lifting plate 6. Because the internal structure of the rock is complicated, the drill bit 3 can be subjected to lateral force in all directions when drilling the rock, in order to ensure the stable rotation of the drill bit 3, the fixing seat 4 is arranged at the lower part of the main shaft 15, and the fixing seat 4 is connected with the lifting plate 6 through the supporting rod 5, so that the main shaft 15 is ensured not to deflect due to the lateral force, the rotating direction is changed, and the normal operation of the whole device is protected.

In the implementation process of the utility model, the whole device is firstly taken up through the handle 10, the center of the device is aligned to the surface of the rock to be drilled at the moment, the device is put down, the driving motor 18 is started, the driving motor 18 drives the main shaft 15 to rotate through the first bevel gear 17 and the second bevel gear which are connected in a meshing way, the main shaft 15 drives the rotating shaft 14 to rotate through belt transmission, thereby driving the drill bit 3 to rotate at high speed, simultaneously driving the screw rod 22 to rotate by the main shaft 15 through belt transmission, and along with the relative rotation of the screw rod 22 and the top plate 8, the screw rod 22 pushes the lifting plate 6 to move downwards, so that the drill bit 3 rotating at a high speed moves downward, and when the teeth at the bottom of the drill bit 3 are in contact with the rock surface, the drill bit 3 starts to drill the rock, after the drilling is finished, the driving motor 18 is started reversely, and the lifting plate 6 moves upwards, so that the drill bit 3 is driven to be separated from the rock, and the whole rock sampling work is finished; the utility model is suitable for a sampling device among the rock mechanics is experimental supports whole device through setting up support column 2 and lock ring 1 for operating personnel need not grip this device always when using this device, and through the relative rotation between lead screw 22 and the roof 8, make lifter plate 6 can the downstream, saved the step that the manual work was pressed, and operating personnel's physical power has been saved to whole device, and get more convenient, suitable using widely.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A material drawing device for rock mechanics experiments comprises a top plate (8), guide rods (7) are slidably connected to the left side and the right side of the top plate (8), a lifting plate (6) is fixedly connected to the bottom of each guide rod (7), a rotating shaft (14) is rotatably connected to the middle of the lower surface of each lifting plate (6), and a drill bit (3) is fixedly connected to the lower end of each rotating shaft (14), the material drawing device is characterized in that supporting columns (2) are arranged on the periphery of the lower surface of the top plate (8), supporting rings (1) are fixedly connected to the bottoms of the supporting columns (2), a driving motor (18) is arranged on the right side of each lifting plate (6), an output shaft of each driving motor (18) is fixedly connected with a first bevel gear (17), each first bevel gear (17) is meshed with a second bevel gear, each second bevel gear is fixedly connected to the middle of a main shaft (15), a first belt wheel (, the second belt wheel (13) is fixedly connected with the middle part of the rotating shaft (14), the upper end of the main shaft (15) is fixedly connected with a third belt wheel (19), the third belt wheel (19) is connected with a fourth belt wheel (21) through a second belt (20), the fourth belt wheel (21) is fixedly connected with the lower part of a screw rod (22), and the middle part of the screw rod (22) is in threaded connection with the middle part of the top plate (8).

2. The material drawing device for the rock mechanics experiment is characterized in that the lower end of the screw rod (22) is rotatably connected with the middle part of the upper surface of the lifting plate (6).

3. A material drawing device for rock mechanics experiments according to claim 1 characterized in that the top plate (8) is provided with a handle (10) on its upper surface.

4. The material drawing device for the rock mechanics experiment according to claim 1 is characterized in that the upper end of the guide rod (7) is fixedly connected with a limiting block (9).

5. A material drawing device for rock mechanics experiments according to claim 1 or 2, characterized in that the main shaft (15) is rotatably connected with the lifting plate (6).

6. The material drawing device for the rock mechanics experiment is characterized in that teeth are arranged at the bottom of the drill bit (3).

7. The material drawing device for the rock mechanics experiment of claim 1, characterized in that the lower part of the rotating shaft (14) is rotatably connected with the fixed seat (4), the side surface of the fixed seat (4) is fixedly connected with the supporting rod (5), and the upper end of the supporting rod (5) is fixedly connected with the lower surface of the lifting plate (6).