CN216553801U - Cabled light in-situ test while drilling system opening reducer union - Google Patents
Cabled light in-situ test while drilling system opening reducer union Download PDFInfo
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- CN216553801U CN216553801U CN202121679659.6U CN202121679659U CN216553801U CN 216553801 U CN216553801 U CN 216553801U CN 202121679659 U CN202121679659 U CN 202121679659U CN 216553801 U CN216553801 U CN 216553801U
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- reducer union
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- 238000012360 testing method Methods 0.000 title claims abstract description 56
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 51
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 41
- 238000005553 drilling Methods 0.000 title claims abstract description 33
- 238000010586 diagram Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 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
- 230000035515 penetration Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model relates to an open reducer union of a cabled light in-situ drilling test system, which is integrally in a cylinder shape with a central through hole and sequentially comprises the following components from top to bottom: a drill rod screwing part; the drill pipe screwing part is used for screwing the drill pipe capable of accommodating the in-situ test assembly after the connection interface is enlarged, and can transmit the pressing and twisting acting force of the driving drill rod of the drilling machine on the drill pipe. And an opening communicated with the central through hole is formed in the drill rod screwing part, the drill pipe screwing part or the connection part of the drill rod screwing part and the drill pipe screwing part.
Description
Technical Field
The utility model relates to an opening reducer union of a cabled light in-situ test while drilling system, belonging to the technical field of in-situ test.
Background
The geotechnical investigation in-situ test technology can provide reliable geotechnical physical mechanical property parameters for underground space engineering design, and deeper geotechnical physical mechanical property parameters need to be obtained by an in-situ test means along with the progress of deep underground space development projects. The traditional in-situ test equipment has limited test depth and is difficult to meet the requirements of development and utilization of deep underground space.
The diameter of the drill pipe is enlarged to accommodate the in-situ test assembly, so that the in-situ test and the rotary drilling of the drill pipe are alternately carried out, the in-situ test mode can realize deep space detection, but how to realize the convenient disassembly and assembly of the drill pipe and the drill pipe ensures that a cable is smoothly led in/out of the drill pipe so as to facilitate the traction of the in-situ test assembly or the acquisition of in-situ test data, and the technical problem to be solved urgently in the field is solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an open reducing joint of a light cabled in-situ drilling test system, which is screwed with a driving drill rod and a drill pipe (accommodating an in-situ test assembly) of a drilling machine and can transmit the downward pressing and twisting acting force of the driving drill rod of the drilling machine on the drill pipe; the side edge of the opening reducing joint is provided with a notch communicated with the central through hole, so that a cable of an in-situ test assembly in the hole can be led out to the ground from the joint, and the traction of the in-situ test assembly or the acquisition of in-situ test data is facilitated; when the opening reducing joint is screwed with the drill rod and the drill pipe, the cable can be separated from the notch, so that the cable is not interfered during screwing.
The utility model adopts the following technical scheme:
the utility model provides a there is light-duty while drilling normal position test system opening reducer union that has cable, opening reducer union wholly is the barrel form that has central through-hole, and top-down includes in proper order: a drill rod screwing part; the drill pipe screwing part is used for screwing with a drill pipe capable of accommodating the in-situ test assembly after the connection interface is enlarged; and an opening communicated with the central through hole is formed in the drill rod screwing part, the drill pipe screwing part or the connection part of the drill rod screwing part and the drill pipe screwing part.
Preferably, the opening is: the outer wall of the whole variable-diameter joint is longitudinally provided with a notch 2421 communicated with the central through hole.
Furthermore, a pair of clamping grooves 2422 which are used for clamping when the opening reducing joint is disassembled and assembled and are separated by 180 degrees are formed in the outer side of the opening reducing joint.
Furthermore, the caliper groove 2422 is disposed at the middle section of the reducer union, and is symmetrical to the left and right with the middle axis plane of the notch 2421 as the center plane.
Preferably, the open reducer union comprises an upper union and a lower union which are respectively in the shape of a cylinder with a central through hole; the lower part of the upper joint is sleeved in the central through hole of the lower joint; the outer wall of the upper joint is provided with a region with the wall thickness gradually reduced from top to bottom; the opening is as follows: an inclined gap is formed between the area with gradually reduced wall thickness and the inner wall of the lower joint; the upper part of the upper joint is provided with a drill rod screwing part with internal threads; the lower part of the lower joint is provided with a drill pipe screwing part with internal threads.
Furthermore, pin holes are formed in the side walls of the upper joint and the lower joint, and a pair of clamp grooves are formed in the positions, away from the pin holes, of the side walls of the upper joint.
The utility model has the beneficial effects that:
1) the opening reducing joint of the light cabled in-situ drilling test system is provided, one end of the opening reducing joint is screwed with a driving drill rod of a drilling machine, the other end of the opening reducing joint is screwed with a drill pipe which can accommodate and position an in-situ test assembly, and the downward pressing and twisting acting force of the driving drill rod of the drilling machine on the drill pipe is transmitted;
2) the opening reducing joint can realize the penetration of a cable in two modes and simultaneously avoid the winding after the cable rotates along with the cable, one mode is that a notch is formed in one side of the opening reducing joint, the cable of the in-situ test assembly in the drill pipe can be led out to the ground from the notch, and the traction of the in-situ test assembly or the acquisition of in-situ test data are facilitated; the other is that the opening reducing joint is divided into an upper part and a lower part (an upper joint and a lower joint), and the outer wall of the upper joint is provided with a region with the wall thickness gradually reduced from top to bottom; so that an inclined gap is formed between the area with gradually reduced wall thickness and the inner wall of the lower joint; because the upper joint and the lower joint are installed step by step, a cable can penetrate into the joints and extend out of the inclined gaps between the upper joint and the lower joint in the installation step; the two schemes are ingenious in design.
Drawings
FIG. 1 is a schematic diagram of the use of the open reducer union of the cabled light in-situ drilling testing system in the in-situ testing system.
FIG. 2 is a cross-sectional view A-A in FIG. 4 of the open reducer union of the cabled lightweight while-drilling in-situ testing system in the first embodiment.
FIG. 3 is a sectional view B-B in FIG. 4 of the open reducer union of the cabled lightweight while-drilling in-situ test system according to the first embodiment.
FIG. 4 is a cross-sectional view of an open reducer union of a cabled lightweight while-drilling in-situ test system according to one embodiment.
FIG. 5 is a schematic diagram illustrating a connection procedure of an open reducer union of a cabled lightweight while-drilling in-situ test system according to an embodiment I.
FIG. 6 is a cross-sectional view A-A in FIG. 8 of the open reducer union of the cabled lightweight while-drilling in-situ test system according to the second embodiment.
FIG. 7 is a sectional view B-B in FIG. 8 of the open reducer union of the cabled lightweight while-drilling in-situ test system according to the second embodiment.
FIG. 8 is a cross-sectional view of an open reducer union of a cabled lightweight while-drilling in-situ testing system according to the second embodiment.
FIG. 9 is a cross-sectional view A-A of the split sub kelly joint end piece of FIG. 11, according to a second embodiment.
FIG. 10 is a cross-sectional view B-B of the split sub kelly joint end piece of FIG. 11, according to a second embodiment.
FIG. 11 is a cross-sectional view of a split sub kelly joint end piece according to a second embodiment.
FIG. 12 is a cross-sectional view A-A of the split sub drill pipe joint end piece of FIG. 14 in a second embodiment.
FIG. 13 is a cross-sectional view B-B of the split sub drill pipe joint end piece of FIG. 14 in a second embodiment.
FIG. 14 is a cross-sectional view of a split sub drill pipe joint end piece according to a second embodiment.
FIG. 15 is a schematic view of a connection step of the split adapter structure according to the second embodiment.
Detailed Description
The utility model is further described with reference to the following figures and specific examples.
The first embodiment is as follows:
an open reducer union of a cabled light in-situ drilling test system is characterized in that the reducer union is a hollow pipe, and one end of the reducer union is connected with a driving drill rod 21 of a drilling machine, as shown in figure 1. The other end of the reducer union is connected to a drill pipe 22. The opening reducing joint is provided with a caliper groove 2422 in the lateral direction so as to facilitate the screwing and rotating. A notch 2421 is formed in one side of the reducer union, so that a cable 14 of the in-hole in-situ test assembly 1 can be led out to the ground from the notch 2421 of the reducer union, and the traction of the in-situ test assembly or the acquisition of in-situ test data is facilitated.
As shown in fig. 2-4, the open reducer union notch 2421 is formed through the open reducer union along one side of the open reducer union.
As shown in fig. 5, the adapter is installed by the following steps: FIG. 5 shows: when the drill pipe is drilled to the test depth, the calipers clamp the drill pipe 22, and the in-situ test assembly 1 is lowered. FIG. 5 is a schematic diagram: the cable 14 passes through the reducer union notch 2421 and out of the drive drill rod connection end, and the caliper is clamped in the caliper groove 2422 to rotate the open reducer union to be screwed with the drill pipe 22. FIG. 5 shows a schematic diagram of: the cable 14 is routed from the kelly connection end to the connector slot 2421 to rotate the drill machine kelly 21 to make it twist-on. And loosening the calipers after screwing.
In this embodiment, when the open reducer union is screwed with the drill pipe, the cable can penetrate out from the connecting end of the driving drill rod, so that the cable is not interfered during screwing.
Example two:
the utility model aims to provide an open reducing joint of a cabled light in-situ drilling test system, which is characterized in that the reducing joint structure is a hollow pipe as shown in figure 1, and one end of the reducing joint is connected with a driving drill rod 21 of a drilling machine. The other end of the reducer union is connected to a drill pipe 22. The open reducer union is provided with a caliper groove 2422 in the side direction to facilitate the screwing rotation. A notch 2421 is formed in one side of the reducer union, so that a cable 14 of the in-hole in-situ test assembly 1 can be led out to the ground from the notch 2421 of the reducer union, and the traction of the in-situ test assembly or the acquisition of in-situ test data is facilitated.
Further, as shown in fig. 6-8, the open reducer union is comprised of a kelly joint end piece 2423, a drill joint end piece 2424, a retaining ring 2425, a pin shaft 2426, and a pin hole 2427.
As shown in fig. 9-11, the kelly joint end piece 2423 is characterized in that a notch 2421 is formed in one side of the end piece, the upper end of the end piece is a kelly joint end, pin holes 2427 are symmetrically formed in the side wall of the end piece, and a caliper groove 2422 is formed in the side wall close to the upper end of the end piece.
As shown in fig. 12-14, the drill pipe joint end piece 2424 is characterized by a drill pipe joint end at the lower end and symmetrical pin holes 2427 in the side wall of the end piece.
Further, as shown in fig. 15, the step of installing the adapter is as follows: FIG. 15 shows: when drilling to the test depth, the calipers grip the drill pipe 22 and thread the drill pipe joint end piece 2424 at the end of the drill pipe. FIG. 15 is a schematic view of: the in situ test assembly 1 is lowered and the kelly joint end piece 2423 is inserted over the drill pipe joint end piece 2424 with the pin holes 2427 aligned. The cable 14 of the in situ test assembly 1 exits from the notch 2421 of the kelly joint end piece 2423. FIG. 15 shows a schematic view of: and a pin shaft 2426 is inserted into the pin hole 2427, and a check ring 2425 is screwed at the tail end of the pin shaft 2426, so that the driving drill rod joint end part 2423 and the drill pipe joint end part 2424 are assembled and fixed. FIG. 15 ((R)): the driving drill rod 21 of the drilling machine is screwed with the joint end of the driving drill rod, and the calipers are loosened after the screwing is finished.
In this embodiment, since the end of the drill pipe is screwed to the drill pipe joint end part 2424 and the drill pipe is screwed in advance, and then the cable 14 is inserted, that is, the drill pipe end screwed to the drill pipe joint end part 2424 and the active drill pipe joint end part 2423 are split structures, compared to the first embodiment, the problem that the cable interferes with the notch when the opening reducer union is screwed to the drill pipe does not need to be considered.
While the preferred embodiments of the present invention have been described, those skilled in the art will appreciate that various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
1. The utility model provides a there is light-duty while drilling normal position test system opening reducer union of cable which characterized in that:
the whole barrel that is of having central through-hole of opening reducer union is described, and top-down includes in proper order:
a drill rod screwing part;
the drill pipe screwing part is used for screwing with a drill pipe capable of accommodating the in-situ test assembly after the connection interface is enlarged;
and an opening communicated with the central through hole is formed in the drill rod screwing part, the drill pipe screwing part or the connection part of the drill rod screwing part and the drill pipe screwing part.
2. The cabled light while-drilling in-situ test system open reducer union of claim 1, wherein: the opening is as follows: the whole outer wall of the open reducing joint is longitudinally provided with a notch (2421) communicated with the central through hole.
3. The cabled light while-drilling in-situ test system open reducer union of claim 2, wherein: the outer side of the opening reducing joint is provided with a pair of clamp grooves (2422) which are used for clamping when the opening reducing joint is disassembled and assembled and are separated by 180 degrees.
4. The cabled light while-drilling in-situ test system open reducer union of claim 3, wherein: the clamp groove (2422) is arranged at the middle section of the opening reducing joint and is bilaterally symmetrical by taking the middle shaft surface of the notch (2421) as a central plane.
5. The cabled lightweight while-drilling in-situ test system open reducer joint according to claim 1, wherein:
the opening reducing joint comprises an upper joint and a lower joint which are respectively in a cylindrical shape with a central through hole;
the lower part of the upper joint is sleeved in the central through hole of the lower joint;
the outer wall of the upper joint is provided with a region with the wall thickness gradually reduced from top to bottom;
the opening is as follows: an inclined gap is formed between the area with gradually reduced wall thickness and the inner wall of the lower joint;
the upper part of the upper joint is provided with a drill rod screwing part with internal threads;
the lower part of the lower joint is provided with a drill pipe screwing part with internal threads.
6. The cabled light while-drilling in-situ test system open reducer union of claim 5, wherein: the side wall parts corresponding to the upper joint and the lower joint are provided with pin holes, and the part of the side wall of the upper joint, which avoids the pin holes, is provided with a pair of clamp grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121679659.6U CN216553801U (en) | 2021-07-22 | 2021-07-22 | Cabled light in-situ test while drilling system opening reducer union |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121679659.6U CN216553801U (en) | 2021-07-22 | 2021-07-22 | Cabled light in-situ test while drilling system opening reducer union |
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| Publication Number | Publication Date |
|---|---|
| CN216553801U true CN216553801U (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121679659.6U Active CN216553801U (en) | 2021-07-22 | 2021-07-22 | Cabled light in-situ test while drilling system opening reducer union |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417579A (en) * | 2021-07-22 | 2021-09-21 | 上海勘察设计研究院(集团)有限公司 | Cabled light in-situ test while drilling system opening reducer union |
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2021
- 2021-07-22 CN CN202121679659.6U patent/CN216553801U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417579A (en) * | 2021-07-22 | 2021-09-21 | 上海勘察设计研究院(集团)有限公司 | Cabled light in-situ test while drilling system opening reducer union |
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Address after: 200093 No. 38 Shui Feng Road, Yangpu District, Shanghai. Patentee after: Shanghai Survey, Design and Research Institute (Group) Co.,Ltd. Address before: 200093 No. 38 Shui Feng Road, Yangpu District, Shanghai. Patentee before: SGIDI ENGINEERING CONSULTING (Group) Co.,Ltd. |