CN214836155U

CN214836155U - Drill rod structure with grouting function

Info

Publication number: CN214836155U
Application number: CN202121211662.5U
Authority: CN
Inventors: 王子锐; 王洋; 魏金刚
Original assignee: Xian University of Science and Technology
Current assignee: Xian University of Science and Technology
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-11-23
Anticipated expiration: 2031-06-01

Abstract

The utility model discloses a drill rod structure with slip casting function, including the drilling rod body with prevent flow reversal device, drilling rod body outer wall is provided with spring telescopic link, spring telescopic link one end is provided with the baffle, drilling rod body top is provided with the dead lever, the dead lever outer wall is provided with the go-between, the inside groove of pouring of having seted up of drilling rod body, it is provided with the threaded rod to pour inslot portion, the threaded rod bottom is provided with the support ring, the support ring passes through the supporting shoe with the threaded rod and is connected, the support ring bottom is provided with the drill bit, the inside spread groove of having seted up of support ring. The utility model discloses a pour the groove, after the completion is seted up in the colliery hole, pour the concrete and pour the inslot of pouring, then the concrete enters into the bottom in colliery hole along pouring the groove, fixes the pipe wall in colliery hole to prevent after the drilling rod body takes out, the colliery hole sinks, improves the stability in colliery hole, is convenient for reuse the colliery hole.

Description

Drill rod structure with grouting function

Technical Field

The utility model relates to a coal mine exploration field, concretely relates to drilling rod structure with slip casting function.

Background

The coal mine is an area for mining coal resources in a coal-rich mining area, and is generally divided into a mineworker coal mine and a strip coal mine, when a coal seam is far away from the ground surface, coal is generally selected to be excavated into an underground excavation roadway, the mineworker coal mine is the coal mine, when the coal seam is very close to the ground surface, the coal is generally selected to be excavated by directly stripping a surface soil layer, the strip coal mine is the coal mine, a drill rod is required in the coal mine exploration process, the drill rod is a steel pipe with threads at the tail part and is used for connecting surface equipment of a drilling machine and drilling and grinding equipment or a bottom hole device at the bottom end of a drilling well, the drill rod is used for conveying drilling mud to a drill bit and improving, lowering or rotating the bottom hole device together with the drill bit, the drill rod can bear huge internal and external pressure, torsion, bending and vibration, and the drill rod is divided into a kelly, a drill rod and a weighted drill rod.

However, when the drill rod is in actual use, due to different coal mine geological conditions, a hole collapse phenomenon occurs after a plurality of coal mines are drilled, and grouting is not easy to occur after the drill rod is withdrawn.

Therefore, it is necessary to develop a drill rod structure with grouting function to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a drilling rod structure with slip casting function, through pouring the groove, after the completion is seted up in the colliery hole, pour the concrete and pour the inslot of pouring, then the concrete enters into the bottom in colliery hole along pouring the groove, fixes the pipe wall in colliery hole to prevent after the drilling rod body takes out, the colliery hole sinks, improves the stability in colliery hole, is convenient for carry out reuse to the colliery hole, with the above-mentioned weak point in the solution technology.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a drill rod structure with slip casting function, includes the drilling rod body and prevents the refluence device, drilling rod body outer wall is provided with spring telescopic link, spring telescopic link one end is provided with the baffle, drilling rod body top is provided with the dead lever, the dead lever outer wall is provided with the go-between, the inside groove of pouring of having seted up of drilling rod body, it is provided with the threaded rod to pour inslot portion, the threaded rod bottom is provided with the support ring, the support ring passes through the supporting shoe with the threaded rod and is connected, the support ring bottom is provided with the drill bit, the inside spread groove of having seted up of support ring, prevent the refluence device and set up in the inner wall of spread groove.

Preferably, the number of the baffles is multiple, the baffles are annularly arrayed on the outer wall of the drill rod body, and the cross section of each baffle is arc-shaped.

Preferably, the number of the fixing rods is six, the six fixing rods are annularly arrayed on the outer wall of the drill rod body, and the longitudinal sections of the fixing rods are L-shaped.

Preferably, the threaded rod is in threaded connection with the drill rod body, and the diameter of the outer wall of the threaded rod is equal to the diameter of the inner wall of the pouring groove.

Preferably, the backflow preventing device comprises a rotating shaft, a limiting block, a rotating block, a limiting groove and a sealing plate, the rotating shaft is arranged on the inner wall of the connecting groove, the limiting block is arranged on the outer wall of the rotating shaft, the rotating block is arranged on the outer wall of the rotating shaft, the limiting groove is formed in the inner wall of the rotating block, and the sealing plate is arranged on one side of the rotating block.

Preferably, the pivot rotates with the turning block to be connected, turning block and stopper sliding connection, the longitudinal section of stopper is fan-shaped, the outer wall of stopper and the inner wall laminating of spacing groove.

In the technical scheme, the utility model provides a technological effect and advantage:

1. through the pouring groove, after the coal mine hole is formed, concrete is poured into the pouring groove, then enters the bottom of the coal mine hole along the pouring groove, and the pipe wall of the coal mine hole is fixed, so that the coal mine hole is prevented from collapsing after the drill rod body is taken out, the stability of the coal mine hole is improved, and the coal mine hole is convenient to reuse;

2. through preventing flow reversal device, because the downthehole portion in colliery probably has flowing water, at the probing in-process, water easily from pouring the inslot and upwards flowing, can seal the spread groove through preventing flow reversal device, prevent that water from getting into the spread groove and pouring the inslot, make the concrete can't get into in the colliery hole through the spread groove and pouring the groove.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2 according to the present invention;

fig. 4 is a perspective view of the connection ring of the present invention;

fig. 5 is a perspective view of the baffle of the present invention.

Description of reference numerals:

1. a drill rod body; 2. a spring telescopic rod; 3. a baffle plate; 4. fixing the rod; 5. a connecting ring; 6. pouring a groove; 7. a threaded rod; 8. a support ring; 9. a drill bit; 10. connecting grooves; 11. a support block; 12. a backflow prevention device; 1201. a rotating shaft; 1202. a limiting block; 1203. rotating the block; 1204. a limiting groove; 1205. and (7) sealing the plate.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a drilling rod structure with slip casting function as shown in fig. 1-5, including drilling rod body 1 and anti-backflow device 12, drilling rod body 1 outer wall is provided with spring telescopic link 2, 2 one ends of spring telescopic link are provided with baffle 3, drilling rod body 1 top is provided with dead lever 4, 4 outer walls of dead lever are provided with go-between 5, 1 inside groove 6 of pouring of having seted up of drilling rod body, 6 inside threaded rod 7 that is provided with in groove of pouring, 7 bottoms of threaded rod are provided with support ring 8, support ring 8 passes through supporting shoe 11 with threaded rod 7 and is connected, 8 bottoms of support ring are provided with drill bit 9, 8 inside spread grooves 10 of having seted up of support ring, anti-backflow device 12 sets up in spread groove 10's inner wall.

Further, in the technical scheme, the number of the baffle plates 3 is set to be multiple, the baffle plates 3 are annularly arrayed on the outer wall of the drill rod body 1, the cross sections of the baffle plates 3 are arc-shaped, and the pipe wall of the drilled coal mine hole can be supported through the baffle plates 3 to prevent the pipe wall from collapsing.

Further, in the above technical scheme, the number of the fixing rods 4 is set to six, six the fixing rods 4 are annularly arrayed on the outer wall of the drill rod body 1, the longitudinal section of each fixing rod 4 is L-shaped, and the drill rod body 1 is easy to drop in the rotating process due to the fact that the drill rod bodies 1 are in threaded connection, and the fixing rods 4 can be used for stably fixing the multiple groups of drill rod bodies 1.

Further, in the above technical scheme, the threaded rod 7 is in threaded connection with the drill rod body 1, the diameter of the outer wall of the threaded rod 7 is equal to the diameter of the inner wall of the pouring groove 6, and the drill bit 9 can be detached through the threaded rod 7 for replacement.

Further, in the above technical solution, the backflow prevention device 12 includes a rotation shaft 1201, a limiting block 1202, a rotation block 1203, a limiting groove 1204 and a sealing plate 1205, the rotation shaft 1201 is disposed on an inner wall of the connection groove 10, the limiting block 1202 is disposed on an outer wall of the rotation shaft 1201, the rotation block 1203 is disposed on an outer wall of the rotation shaft 1201, the limiting groove 1204 is disposed on an inner wall of the rotation block 1203, the sealing plate 1205 is disposed on one side of the rotation block 1203, and through the backflow prevention device 12, because there may be flowing water inside the coal mine hole, in the drilling process, the water easily flows out from the casting groove 6, and through the backflow prevention device 12, the connection groove 10 can be sealed, so that the water is prevented from entering the connection groove 10 and the casting groove 6, and the concrete cannot enter the hole through the connection groove 10 and the casting groove 6.

Further, in the above technical solution, the rotating shaft 1201 is rotatably connected to the rotating block 1203, the rotating block 1203 is slidably connected to the limiting block 1202, the longitudinal section of the limiting block 1202 is fan-shaped, the outer wall of the limiting block 1202 is attached to the inner wall of the limiting groove 1204, and the sealing plate 1205 can only rotate 90 ° through the limiting groove 1204 and the limiting block 1202, so as to conveniently seal the connecting groove 10.

This practical theory of operation:

referring to the attached drawings 1-5 of the specification, when a coal mine needs to be explored, the coal mine needs to be drilled, the drill rod body 1 is connected with a drilling machine, the drill bit 9 is connected with the drill rod body 1 through the threaded rod 7, then the drilling machine drives the drill rod body 1 to rotate, the drill bit 9 is made to rotate to drill a coal mine hole, then the drill rod body 1 is moved downwards, the drill rod body 1 is driven to move downwards, the spring telescopic rod 2 on the outer wall of the drill rod body 1 pushes the baffle plate 3 to move outwards, the coal mine hole after drilling is supported, after one drill rod body 1 is used, the drilling machine is separated from the drill rod body 1 after being used, then the drilling machine is connected with one end of the other set of drill rod body 1, the drill rod body 1 for position is lifted upwards, two sets of drill rod bodies 1 are aligned with each other, then the fixing rod 4 is rotated inwards, and the fixing rod 4 is stably connected with the outer wall of the drill rod body 1 which is not used, then the connecting rings 5 on the outer wall of the fixed rod 4 are connected with each other through bolts;

referring to the attached drawings 1-5 of the specification, after drilling of a coal mine hole is completed, after the coal mine hole is opened, concrete is poured into the pouring groove 6, then the concrete enters the bottom of the coal mine hole along the pouring groove 6, then the concrete is enabled to extrude the sealing plate 1205 according to the pressure of the concrete, the sealing plate 1205 drives the rotating plate to rotate on the outer wall of the rotating shaft 1201, then the limiting groove 1204 slides on the outer wall of the limiting block 1202, the connecting groove 10 is enabled to be opened, the concrete enters the bottom of the coal mine hole, and pouring is conducted on the coal mine hole.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a drilling rod structure with slip casting function, includes drilling rod body (1) and anti-backflow device (12), its characterized in that: the drill rod body (1) outer wall is provided with spring telescopic link (2), spring telescopic link (2) one end is provided with baffle (3), drill rod body (1) top is provided with dead lever (4), dead lever (4) outer wall is provided with go-between (5), drill rod body (1) inside has been seted up and has been pour groove (6), pour inside threaded rod (7) that is provided with of groove (6), threaded rod (7) bottom is provided with support ring (8), support ring (8) are connected through supporting shoe (11) with threaded rod (7), support ring (8) bottom is provided with drill bit (9), spread groove (10) have been seted up to support ring (8) inside, prevent that reflux unit (12) set up in the inner wall of spread groove (10).

2. The drill rod structure with grouting function as claimed in claim 1, wherein: the number of the baffle plates (3) is set to be a plurality of, the baffle plates (3) are annularly arrayed on the outer wall of the drill rod body (1), and the cross section of each baffle plate (3) is arc-shaped.

3. The drill rod structure with grouting function as claimed in claim 1, wherein: the number of the fixing rods (4) is six, the six fixing rods (4) are annularly arrayed on the outer wall of the drill rod body (1), and the longitudinal sections of the fixing rods (4) are L-shaped.

4. The drill rod structure with grouting function as claimed in claim 1, wherein: the threaded rod (7) is in threaded connection with the drill rod body (1), and the diameter of the outer wall of the threaded rod (7) is equal to that of the inner wall of the pouring groove (6).

5. The drill rod structure with grouting function as claimed in claim 1, wherein: the backflow preventing device (12) comprises a rotating shaft (1201), a limiting block (1202), a rotating block (1203), a limiting groove (1204) and a sealing plate (1205), wherein the rotating shaft (1201) is arranged on the inner wall of the connecting groove (10), the limiting block (1202) is arranged on the outer wall of the rotating shaft (1201), the rotating block (1203) is arranged on the outer wall of the rotating shaft (1201), the limiting groove (1204) is formed in the inner wall of the rotating block (1203), and the sealing plate (1205) is arranged on one side of the rotating block (1203).

6. The drill rod structure with grouting function as claimed in claim 5, wherein: the rotating shaft (1201) is rotatably connected with the rotating block (1203), the rotating block (1203) is slidably connected with the limiting block (1202), the longitudinal section of the limiting block (1202) is fan-shaped, and the outer wall of the limiting block (1202) is attached to the inner wall of the limiting groove (1204).