CN220353826U - Connecting assembly of blind hole drilling tool - Google Patents
Connecting assembly of blind hole drilling tool Download PDFInfo
- Publication number
- CN220353826U CN220353826U CN202222318906.0U CN202222318906U CN220353826U CN 220353826 U CN220353826 U CN 220353826U CN 202222318906 U CN202222318906 U CN 202222318906U CN 220353826 U CN220353826 U CN 220353826U
- Authority
- CN
- China
- Prior art keywords
- clamping
- sleeve
- drill rod
- assembly
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 abstract description 19
- 238000010276 construction Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a connecting component of a blind hole drilling tool, which comprises a sleeve and a drill rod, wherein a first connecting component and a second connecting component are arranged between the drill rod and an inner cavity of the sleeve. The rotating block inside the first connecting component is clamped and fixed with the clamping grooves distributed on the side wall of the inner cavity of the sleeve, so that the drill rod provides enough thrust for the sleeve in the drilling process, the clamping block inside the second connecting component is clamped and fixed with the clamping grooves distributed on the side wall of the inner cavity of the sleeve, the transverse torque between the drill rod and the sleeve is increased, and the drill rod provides enough steering power for the sleeve. Meanwhile, when the drill rod does not provide power to stop working, the disassembly between the parts which are used for being clamped and fixed in the first connecting assembly and the second connecting assembly is more convenient, and the disassembly between the drill rod and the sleeve is convenient.
Description
Technical Field
The utility model relates to the technical field of blind hole drilling, in particular to a connecting component of a blind hole drilling tool.
Background
In some engineering construction processes, such as drainage engineering of a tailing dam or pipeline laying under an expressway subgrade, drilling of blind holes with long lengths is carried out by using a drilling tool;
in patent number CN105756560a, the name is: a technical scheme is disclosed in Chinese patent document of a drilling tool assembly and a drain pipe arc laying method, wherein a drill bit for drilling a blind hole is assembled and connected with a drill rod in a spline sleeve and spline connection mode, the drill rod is used for providing power for the drill bit, the drill rod is pulled outwards after the drilling of the blind hole is completed, the drill bit falls off in the blind hole, and the drilling construction of the blind hole is completed;
the following drawbacks exist in the above mentioned comparison document: because the length of the blind hole that the construction such as drainage engineering needs to be drilled is longer, the problem such as the direction deviation correct drilling direction that can appear drilling at the in-process of drilling, need to roll back drilling rod and drill bit this moment, adjust the direction of drilling, then accomplish drilling again, because only adopted simple spline and spline housing to connect between drill bit and the drilling rod's the mode of having adopted between the technical scheme of above-mentioned contrast document, very easy emergence drops between drill bit and the drilling rod at the in-process that the drill bit was rolled back and is adjusted the drilling direction, in order to solve the problem in the above-mentioned technical scheme, a drilling tool combination for blind hole drilling has been designed now, need set up coupling assembling between sleeve pipe and the drilling rod in the drilling tool combination, be used for the drill rod to the connection between the sleeve pipe is fixed, and provide power for the sleeve pipe. To this end, we propose a connection assembly for a blind hole drilling tool.
Disclosure of Invention
The present utility model is directed to a connection assembly for a blind hole drilling tool, which solves the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the connecting component of the blind hole drilling tool comprises a sleeve and a drill rod, wherein a first connecting component and a second connecting component are assembled between the drill rod and an inner cavity of the sleeve;
the first connecting assembly comprises a mounting groove, the mounting groove is formed in the inner cavity of the drill rod, a mounting shaft is fixedly mounted in the mounting groove, a rotating block is sleeved on the outer side wall of the mounting shaft, a clamping block is integrally formed at the end part of the rotating block, and a clamping groove is formed in the side wall of the inner cavity of the sleeve;
the second connecting assembly comprises an assembly groove, the assembly groove is formed in the side wall of the drill rod, an assembly shaft is fixedly connected in the assembly groove, a clamping block is sleeved on the outer side wall of the assembly shaft, a clamping groove is formed in the side wall of the inner cavity of the sleeve, and a connecting hole communicated with the assembly groove is formed in the inner cavity of the drill rod.
Preferably, the cross section of the rotating block is trapezoid.
Preferably, the diameter of the left end of the clamping groove is larger than the diameter of the right end of the clamping groove.
Preferably, the two ends of the clamping block are respectively a rotating end and a clamping end, the rotating end and the clamping end are fillets, and the diameter of the rotating end is larger than that of the clamping end.
Preferably, the outer side face of the clamping block is an arc face, and the radian of the outer side face of the clamping block is 35-40 degrees.
Preferably, the radian of the outer side surface of the clamping block is the same as the radian of the inner cavity side wall of the clamping groove.
Compared with the prior art, the utility model has the beneficial effects that: a connecting assembly of a blind hole drilling tool adopts a mode that a first connecting assembly and a second connecting assembly are matched with each other, a rotating block inside the first connecting assembly is clamped and fixed with clamping grooves distributed on the side wall of an inner cavity of a sleeve, so that a drill rod provides enough thrust for the sleeve in the drilling process, the clamping block inside the second connecting assembly is clamped and fixed with the clamping grooves distributed on the side wall of the inner cavity of the sleeve, transverse torque between the drill rod and the sleeve is increased, the drill rod provides enough steering power for the sleeve, and meanwhile, when the drill rod does not provide power to stop working, the first connecting assembly and the second connecting assembly are more convenient to detach between parts fixed in a clamping manner, and the drill rod and the sleeve are convenient to detach.
Drawings
Fig. 1 is a schematic structural view of a first connecting assembly according to the present utility model.
Fig. 2 is a schematic view of a drilling tool according to the present utility model.
Fig. 3 is a schematic structural diagram of a second connecting component according to the present utility model.
Fig. 4 is a schematic structural diagram of the first connecting component of the present utility model when not connected and assembled.
Fig. 5 is a schematic structural view of the first connecting assembly of the present utility model after connection assembly.
Fig. 6 is a schematic structural diagram of the second connecting assembly after being clamped.
Fig. 7 is a schematic structural view of the second connecting component of the present utility model after being separated.
In the figure: 1. the drilling machine comprises a sleeve, 1-1, a connecting part, 2, a drilling rod, 2-1, a water through groove, 3, a clamping mechanism, 4, a drilling bit, 6, a first connecting component, 6-1, a mounting groove, 6-2, a mounting shaft, 6-3, a rotating block, 6-4, a clamping block, 6-5, a clamping groove, 7, a second connecting component, 7-1, an assembling groove, 7-2, an assembling shaft, 7-3, a clamping block, 7-4, a clamping groove, 7-5 and a connecting hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 7, the present utility model provides a technical solution: the utility model provides a blind hole drills into coupling assembling of drilling tool, coupling assembling comprises first coupling assembling 6 and second coupling assembling 7, mainly be applied to row in the infiltration engineering and ooze the laying of pipe, drilling tool wholly includes sleeve pipe 1, drive sleeve pipe 1 through the drilling rod 2 that is located in sleeve pipe 1 and creep into through the drill bit 4 that is located sleeve pipe 1 front portion, creep into the back and remove drilling rod 2 from sleeve pipe 1 after accomplishing, will need row that lays ooze the pipe and process at the small place such as sub dam again, put into sleeve pipe 1, row ooze one side of pipe few hole down (be favorable to the drawing of upstream water) and lay, row ooze the pipe and lay back and pull out sleeve pipe 1, accomplish the construction of whole engineering.
The front end of the drill rod 2 is provided with a cavity at the rear part of each connecting component, a probe matched with an external guiding instrument is arranged in the cavity, and the drilling position and the drilling direction of the drill rod 2 and the sleeve 1 are determined by receiving signals of the probe through the ground handheld guiding instrument. If the drilling direction deviates, the drilling angle needs to be adjusted in time (this is a mature application of the prior art, and is not shown in the drawings of the specification, and will not be repeated here).
As shown in fig. 1 and 4, the first connecting component 6 comprises a mounting groove 6-1, the mounting groove 6-1 is formed in an inner cavity of the drill rod 2, the mounting groove 6-1 is communicated with the water through groove 2-1, a mounting shaft 6-2 is fixedly welded in the inner cavity of the mounting groove 6-1, a rotating block 6-3 is sleeved on the outer side wall of the mounting shaft 6-2, the cross section of the rotating block 6-3 is trapezoid, a clamping block 6-4 is integrally formed at the left side end of the rotating block 6-3, and a clamping groove 6-5 is formed in the inner cavity side wall of the sleeve 1. After the drill rod 2 is inserted into the inner cavity of the sleeve 1, the cross section of the rotating block 6-3 is trapezoid, and the gravity of the left end of the rotating block is larger than that of the right end of the rotating block, so that the rotating block 6-3 deflects when the rotating block 6-3 moves to the clamping groove 6-5 in the process of inserting the drill rod 2, the clamping block 6-4 and the clamping groove 6-5 are clamped and fixed, and when cooling and lubricating liquid in the water through groove 2-1 is sprayed, thrust is generated on the rotating block 6-3, the connection between the clamping block 6-4 and the clamping groove 6-5 is stable, and the first connecting component 6 fully provides thrust in the drilling process for the sleeve 1. The diameter of the left end of the clamping groove 6-5 is larger than that of the right end of the clamping groove 6-5, when the drill rod 2 is required to be separated from the sleeve 1, the clamping block 6-4 of the rotating block 6-3 moves along the side wall of the clamping groove 6-5 to enable the rotating block 6-3 to be aligned due to the fact that the injection of cooling lubricating liquid is stopped in the process of pulling the drill rod 2 outwards, so that the drill rod 2 can be conveniently moved out of the sleeve 1, and the drill rod 2 can be conveniently separated from the sleeve 1.
As shown in fig. 3, 6 and 7, the second connecting assembly 7 comprises an assembly groove 7-1, the assembly groove 7-1 is formed in the side wall of the drill rod 2, an assembly shaft 7-2 is fixedly welded in the inner cavity of the assembly groove 7-1, a clamping block 7-3 connected with the assembly shaft 7-2 in a rotating mode is sleeved on the outer side wall of the assembly shaft 7-2, the shape of the assembly groove 7-1 is matched with that of the clamping block 7-3, the number of the assembly groove 7-1, the number of the assembly shaft 7-2 and the number of the clamping block 7-3 are two, and the two assembly grooves 7-1 and the clamping blocks 7-3 are distributed in the same direction and at equal intervals at the center of the drill rod 2. The side wall of the inner cavity of the sleeve 1 is provided with clamping grooves 7-4 which are clamped and fixed with the clamping blocks 7-3, and the number of the clamping grooves 7-4 is the same as that of the clamping blocks 7-3. After the clamping blocks 6-4 and the clamping grooves 6-5 in the first connecting component 6 are clamped in the connecting process, the drill rod 2 is controlled to rotate in the inner cavity of the sleeve 1, when the clamping blocks 7-3 rotate to the positions of the clamping grooves 7-4, the clamping blocks 7-3 and the clamping grooves 7-4 are connected, the transverse torque between the drill rod 2 and the sleeve 1 is increased through the matching of the clamping blocks 7-3 and the clamping grooves 7-4, so that the drill rod 2 provides transverse rotating force for the sleeve 1 in the rotating process, when the drill rod 2 and the sleeve 1 are required to be separated, the drill rod 2 is screwed in the opposite direction, the clamping blocks 7-3 are retracted into the assembling grooves 7-1, and the drill rod 2 and the sleeve 1 are not clamped and fixed.
The inner cavity of the assembly groove 7-1 is provided with the connecting hole 7-5 communicated with the water through groove 2-1, and in the blind hole drilling process, the water through groove 2-1 supplies cooling lubricating liquid to the drill bit 4, so that the cooling lubricating liquid generates pressure to the clamping block 7-3 through the connecting hole 7-5, the clamping effect between the clamping block 7-3 and the clamping groove 7-4 is ensured, and the connection between the drill rod 2 and the sleeve 1 is more stable.
The length of the clamping block 7-3 is at least 20cm, and the clamping block 7-3 with a longer length is arranged, so that rapid assembly between the drill rod 2 and the sleeve 1 is facilitated, the length of the clamping groove 7-4 matched with the clamping block 7-3 is larger than that of the clamping block 7-3, and clamping of the clamping block 7-3 is facilitated.
The rotating end and the clamping end of the clamping block 7-3 are both round corners, the diameter of the rotating end is larger than that of the clamping end, the side wall of the clamping block 7-3 is provided with an arc, the arc of the outer side wall of the clamping block 7-3 is 35 degrees to 40 degrees, the assembling groove 7-1 is matched with the shape of the clamping block 7-3, the assembling groove 7-1 with the same shape is convenient for resetting the clamping block 7-3, so that the drill rod 2 and the sleeve 1 are conveniently separated, the clamping part of the clamping groove 7-1 is matched with the shape of the clamping end, the arc of the inner wall of the clamping groove 7-1 is uniform with the arc of the outer side surface of the clamping block 7-3, the clamping block 7-3 is conveniently separated by arranging the clamping block 7-3 with the clamping groove 7-4 with uniform arc, and after the clamping block 7-3 is clamped into the clamping groove 7-4, the clamping block 7-3 is clamped and fixed through the clamping groove 7-4, and connection stability between the drill rod 2 and the sleeve 1 can be ensured.
Working principle: the method comprises the steps that a drilling tool is required to be used for drilling blind holes in the process of tailing dam seepage-removing engineering or pipeline laying construction below a highway subgrade, when the construction is carried out under the environment with saturated water content, the drilled blind holes cannot be through construction, otherwise, safety accidents such as piping and dam break are easy to cause, when the drilling of the blind holes is carried out through the method, a drill rod 2 is inserted into a sleeve 1, the drill rod 2 is fixedly clamped with a drill bit 4 through a clamping mechanism 3, then the drill rod 2 is assembled through a first connecting component 6 and a second connecting component 7 arranged between the drill rod 2 and the sleeve 1 in a clamping mode, the drill rod 2 is connected with the sleeve 1 in a transmission mode, the drill rod 2 is driven to move through an external drilling machine, the sleeve 1 drives the drill bit 4 to rotate, the drilling construction of the blind holes is completed, thrust in the drilling process is provided for the sleeve 1 through the first connecting component 6 in the drilling process, transverse torque between the drill rod 2 and the sleeve 1 is increased through the second connecting component 7, and the rotating force in the drilling process is provided for the sleeve 1.
Claims (6)
1. A connecting assembly of a blind hole drilling tool, which is characterized in that: the drilling device comprises a casing (1) and a drilling rod (2), wherein a first connecting component (6) and a second connecting component (7) are arranged between the drilling rod (2) and an inner cavity of the casing (1);
the first connecting assembly (6) comprises a mounting groove (6-1), the mounting groove (6-1) is formed in the inner cavity of the drill rod (2), a mounting shaft (6-2) is fixedly mounted in the mounting groove (6-1), a rotating block (6-3) is sleeved on the outer side wall of the mounting shaft (6-2), a clamping block (6-4) is integrally formed at the end part of the rotating block (6-3), and a clamping groove (6-5) is formed in the side wall of the inner cavity of the sleeve (1);
the second connecting assembly (7) comprises an assembly groove (7-1), the assembly groove (7-1) is formed in the side wall of the drill rod (2), an assembly shaft (7-2) is fixedly connected in the assembly groove (7-1), a clamping block (7-3) is sleeved on the outer side wall of the assembly shaft (7-2), a clamping groove (7-4) is formed in the side wall of the inner cavity of the sleeve (1), and a connecting hole (7-5) communicated with the assembly groove (7-1) is formed in the inner cavity of the drill rod (2).
2. The blind hole drilling tool connection assembly of claim 1, wherein: the cross section of the rotating block (6-3) is trapezoid.
3. The blind hole drilling tool connection assembly of claim 1, wherein: the diameter of the left end of the clamping groove (6-5) is larger than that of the right end.
4. The blind hole drilling tool connection assembly of claim 1, wherein: the two ends of the clamping block (7-3) are respectively a rotating end and a clamping end, the rotating end and the clamping end are fillets, and the diameter of the rotating end is larger than that of the clamping end.
5. The blind hole drilling tool connection assembly of claim 1, wherein: the outer side face of the clamping block (7-3) is an arc face, and the radian of the outer side face of the clamping block (7-3) is 35-40 degrees.
6. The blind hole drilling tool connection assembly of claim 5, wherein: the radian of the outer side surface of the clamping block (7-3) is the same as the radian of the inner cavity side wall of the clamping groove (7-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222318906.0U CN220353826U (en) | 2022-09-01 | 2022-09-01 | Connecting assembly of blind hole drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222318906.0U CN220353826U (en) | 2022-09-01 | 2022-09-01 | Connecting assembly of blind hole drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220353826U true CN220353826U (en) | 2024-01-16 |
Family
ID=89483768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222318906.0U Active CN220353826U (en) | 2022-09-01 | 2022-09-01 | Connecting assembly of blind hole drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220353826U (en) |
-
2022
- 2022-09-01 CN CN202222318906.0U patent/CN220353826U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20090236146A1 (en) | Machine and method for trenchless conduit installation | |
| US9080395B2 (en) | Connection mechanism | |
| CN220353826U (en) | Connecting assembly of blind hole drilling tool | |
| CN110529658A (en) | Rack-and-pinion ejector sleeve machine | |
| CN215565775U (en) | Drilling tool | |
| CN214170563U (en) | Advanced pipe insertion machine convenient to stable exploration of tunnel surrounding rock | |
| US8443917B2 (en) | Insertion coupling for a boring rod assembly and a boring rod assembly | |
| CN220353827U (en) | Drilling tool assembly for blind hole drilling | |
| CN111894480B (en) | Disassembling tool suitable for internal locking type drill rod | |
| CN204782735U (en) | Directional rig of level of rig system and built -in this rig system | |
| CN219431771U (en) | Relative rotation type pipe jacking drilling device | |
| CN213016245U (en) | Tool convenient for disassembling and assembling internal locking type drill rod | |
| JP4974273B2 (en) | Pipe propulsion method and pipe propulsion device | |
| CN220059446U (en) | Combined counter-pulling mechanical reaming jet device | |
| CN220813824U (en) | Open type glue injection structure | |
| CN221762784U (en) | Double-ball reaming and hole washing comprehensive pipe pulling construction device for river bottom sand layer | |
| CN219866605U (en) | Miniature push pipe device of primary pore-forming PVC | |
| CN220606511U (en) | Cold-resistant drill bit special for drilling ice and soil | |
| CN215718480U (en) | A combination formula perforating device for water conservancy construction | |
| CN204591168U (en) | Can the auger stem that is threaded of rotating | |
| CN218235072U (en) | Casing milling device and casing milling system | |
| CN204492656U (en) | A kind of Novel top pipe die | |
| CN217761009U (en) | Horizontal high-pressure rotary spraying construction device | |
| CN217053538U (en) | Agricultural water conservancy is ditching machine convenient to overhaul for engineering | |
| CN219119155U (en) | Drag back drill bit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |