CN220081321U - Integral type reverse-pulling mechanical reaming fluidic device - Google Patents
Integral type reverse-pulling mechanical reaming fluidic device Download PDFInfo
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- CN220081321U CN220081321U CN202321390858.4U CN202321390858U CN220081321U CN 220081321 U CN220081321 U CN 220081321U CN 202321390858 U CN202321390858 U CN 202321390858U CN 220081321 U CN220081321 U CN 220081321U
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- reaming
- cutter
- assembly
- jet
- body guide
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000003245 coal Substances 0.000 abstract description 25
- 238000005553 drilling Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model discloses an integrated counter-pulling mechanical reaming jet device which comprises a reaming jet mechanism, wherein the reaming jet mechanism consists of a reaming assembly and a jet assembly, the jet assembly is arranged at the rear end of the reaming assembly, and the reaming assembly and the jet assembly are integrally connected; the coal seam reaming device is provided with the reaming assembly and the jet flow assembly, so that the coal seam can be drilled and reamed, and when the coal seam is deeply drilled, the cutting tool bit is used for cutting the coal seam, the device can be further drilled into the coal seam, the two cutter bars are pulled outwards after being opened through the rotating speed, the cutter bars realize the reaming operation of the coal seam, the drilled coal is further crushed through the arranged racks, the cutter bars do not need to be opened and closed by taking high-pressure water as a power source, and in addition, the jet flow assembly is arranged at the tail end, so that the coal wall can be washed under high pressure in advance, and the mechanical reaming of the rear end is facilitated.
Description
Technical Field
The utility model relates to a reaming jet device, in particular to an integrated reverse-pulling mechanical reaming jet device, and belongs to the technical field of coal mining equipment.
Background
When coal mining is carried out, a hydraulic jet fracturing device is often required to treat hard rock and stratum, a mechanical reaming hydraulic cutter is a reaming jet device adopting a hydraulic jet fracturing technology, water is cooled from the middle of a rack piston through a front section drill bit when the power water pressure is lower than 6 megapascals, when the water pressure exceeds 6 megapascals, the rack drives the rack piston of a cutter bar to advance to the front section, and a rack linkage cutter bar gear is opened to jet high-pressure water from the side face for reaming so as to realize intermittent reaming operation on a coal seam.
In the prior art, as disclosed in CN109751030a, a combined jet perforation device based on hydraulic jet fracturing technology is disclosed, by setting the reverse flow of an inclined jet nozzle to be mixed with the direct flow before being sprayed onto the surface of a perforation tool, the reverse flow is reduced, so that the damage of the jet reverse flow to the perforation tool is reduced, and the service life of the perforation tool is prolonged.
Disclosure of Invention
The utility model aims to solve at least one technical problem and provide an integrated counter-pulling mechanical reaming jet device.
The utility model realizes the above purpose through the following technical scheme: the integrated counter-pulling mechanical reaming jet device comprises a reaming jet mechanism, wherein the reaming jet mechanism consists of a reaming assembly and a jet assembly, the jet assembly is arranged at the rear end of the reaming assembly, and the reaming assembly and the jet assembly are integrally connected;
the reaming assembly comprises a cutter body guide sleeve and a cutter bar, the cutter body guide sleeve is provided with a placement cavity, the cutter bar is placed in the placement cavity of the cutter body guide sleeve, and the front end of the cutter body guide sleeve is connected with a thread seat;
the jet flow component comprises a cutter body guide rod and a water nozzle, the cutter body guide rod is connected to the tail end of the cutter body guide sleeve, the cutter body guide rod is provided with a hollow inner cavity, and the water nozzle is arranged on the rod body of the cutter body guide rod.
As still further aspects of the utility model: the cutter bars are symmetrically arranged, the tail ends of the two cutter bars are integrally connected with cutter bar gears in meshing butt joint, and the cutter bar gears are rotationally connected in the arrangement cavity through connecting bolts.
As still further aspects of the utility model: the rack is arranged on the inner side surface opposite to the cutter bar, and the cutting tool bit is connected with the outer side surface of the cutter bar.
As still further aspects of the utility model: the cutting tool bit is evenly provided with a plurality of on the outside shaft of cutter arbor.
As still further aspects of the utility model: the inner side of the tail end of one cutter bar is embedded with a magnet, and the inner side of the tail end of the other cutter bar is provided with a magnetic attraction groove.
As still further aspects of the utility model: the drill bit is detachably arranged on the thread seat connected with the front end of the cutter body guide sleeve through threads, and the drill bit has various specifications.
As still further aspects of the utility model: the water nozzle arranged on the cutter body guide rod is a high-pressure water nozzle, and the water nozzle is communicated with the hollow inner cavity of the cutter body guide rod.
The beneficial effects of the utility model are as follows: the coal seam reaming device is provided with the reaming assembly and the jet flow assembly, the coal seam can be drilled and reamed, and when the coal seam is deeply drilled, the cutting tool bit is used for cutting the coal seam, the device can be further drilled into the coal seam, after the two cutter bars are opened through the eccentricity of the rotating speed, the device is pulled out outwards, the reaming operation of the coal seam is realized by the cutter bars, the drilled coal is further crushed through the arranged racks, the cutter bars are not required to be opened and closed by taking high-pressure water as a power source, and in addition, the jet flow assembly is arranged at the tail end, so that the coal wall can be washed under high pressure in advance, and the mechanical reaming of the rear end is facilitated.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic top view of the knife bar of the present utility model in its open configuration;
FIG. 3 is a schematic top view of the knife bar of the present utility model in a closed configuration;
FIG. 4 is a schematic side view of the knife bar of the present utility model in a closed configuration;
FIG. 5 is a schematic cross-sectional view showing the closed state of the cutter bar according to the present utility model.
In the figure: 1. the cutter body guide rod, 2, cutter body guide sleeve, 3, cutter arbor, 4, connecting bolt, 5, cutting bit, 6, rack, 7, cutter arbor gear, 8, arrangement cavity, 9, water tap, 10, screw thread seat, 11, magnetite.
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.
Embodiment one: as shown in fig. 1 to 5, an integrated counter-pulling mechanical reaming jet device comprises a reaming jet mechanism, wherein the reaming jet mechanism consists of a reaming assembly and a jet assembly, the jet assembly is arranged at the rear end of the reaming assembly, and the reaming assembly and the jet assembly are integrally connected;
the reaming assembly comprises a cutter body guide sleeve 2 and a cutter bar 3, wherein the cutter body guide sleeve 2 is provided with a placement cavity 8, the cutter bar 3 is placed in the placement cavity 8 of the cutter body guide sleeve 2, and the front end of the cutter body guide sleeve 2 is connected with a thread seat 10;
the jet flow component comprises a cutter body guide rod 1 and a water nozzle 9, wherein the cutter body guide rod 1 is connected to the tail end of the cutter body guide sleeve 2, the cutter body guide rod 1 is provided with a hollow inner cavity, and the water nozzle 9 is arranged on the rod body of the cutter body guide rod 1.
Embodiment two: in addition to all the technical features in the first embodiment, the present embodiment further includes:
the cutter bars 3 are symmetrically arranged, the tail ends of the two cutter bars 3 are integrally connected with cutter bar gears 7 in meshing butt joint, the cutter bar gears 7 are rotationally connected in the arrangement cavity 8 through connecting bolts 4, the cutter bars 3 can be symmetrically thrown away under the action of centrifugal force, and then the two cutter bars 3 can be used for expanding holes.
The rack 6 has been seted up to the medial surface that cutter arbor 3 is relative, and the lateral surface of cutter arbor 3 is connected with cutting tool bit 5, is boring the in-process of establishing, cuts the coal seam by cutting tool bit 5, and then can bore the device to the depths into, simultaneously after cutter arbor 3 opens, rack 6 can carry out further crushing to the coal cinder that bores to establish.
The cutting bits 5 are uniformly arranged on the outer side rod body of the cutter rod 3 in number so as to improve the drilling efficiency of the coal seam.
Embodiment III: in addition to all the technical features in the first embodiment, the present embodiment further includes:
the magnet 11 is embedded in the inner side of the tail end of one cutter bar 3, and the magnetic attraction groove is formed in the inner side of the tail end of the other cutter bar 3, so that the two cutter bars 3 can be firmly clung together under the condition of low rotating speed, and deep drilling is prevented from being influenced.
The drill bit is detachably mounted on the screw base 10 connected with the front end of the cutter body guide sleeve 2 through threads, and the drill bit has various specifications, so that the corresponding drill bit can be selectively mounted according to specific drilling requirements.
The water nozzle 9 arranged on the cutter body guide rod 1 is a high-pressure water nozzle, and the water nozzle 9 is communicated with the hollow inner cavity of the cutter body guide rod 1, so that the coal wall can be washed at high pressure in advance in the drilling process of the device, and the mechanical reaming of the rear end is facilitated.
Firstly, according to drilling requirements, a drill bit with the corresponding size is selected to be installed on a thread seat 10, then the device is drilled into a coal seam at a low rotation speed, two cutter bars 3 are tightly attached together, meanwhile, in the drilling process, a water nozzle 9 sprays high-pressure water to flush a coal wall in advance, after drilling to a set depth, the rotation speed is increased, the two cutter bars 3 can be thrown away under the action of centrifugal force, and then the two cutter bars 3 can be used for expanding the drill.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (2)
1. The utility model provides an integral type reverse-pulling mechanical reaming jet device, includes reaming jet mechanism, its characterized in that: the reaming jet mechanism consists of a reaming assembly and a jet assembly, the jet assembly is arranged at the rear end of the reaming assembly, and the reaming assembly and the jet assembly are integrally connected;
the reaming assembly comprises a cutter body guide sleeve (2) and a cutter bar (3), wherein a placement cavity (8) is formed in the cutter body guide sleeve (2), the cutter bar (3) is placed in the placement cavity (8) of the cutter body guide sleeve (2), and the front end of the cutter body guide sleeve (2) is connected with a thread seat (10);
the jet flow assembly comprises a cutter body guide rod (1) and a water nozzle (9), the cutter body guide rod (1) is connected to the tail end of the cutter body guide sleeve (2), the cutter body guide rod (1) is provided with a hollow inner cavity, and the water nozzle (9) is arranged on the rod body of the cutter body guide rod (1);
the cutter bars (3) are symmetrically arranged, the tail ends of the two cutter bars (3) are integrally connected with cutter bar gears (7) which are engaged and butted, and the cutter bar gears (7) are rotationally connected in the arranging cavity (8) through connecting bolts (4); a rack (6) is arranged on the inner side surface opposite to the cutter bar (3), and the outer side surface of the cutter bar (3) is connected with a cutting tool bit (5); the plurality of cutting heads (5) are uniformly arranged on the outer rod body of the cutter rod (3); a magnet (11) is embedded in the inner side of the tail end of one cutter bar (3), and a magnetic attraction groove is formed in the inner side of the tail end of the other cutter bar (3); the water nozzle (9) arranged on the cutter body guide rod (1) is a high-pressure water nozzle, and the water nozzle (9) is communicated with the hollow inner cavity of the cutter body guide rod (1).
2. An integrated counter-pulling mechanical reaming jet device according to claim 1, wherein: the drill bit is detachably arranged on the thread seat (10) connected with the front end of the cutter body guide sleeve (2) through threads, and the drill bit has various specifications.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321390858.4U CN220081321U (en) | 2023-06-02 | 2023-06-02 | Integral type reverse-pulling mechanical reaming fluidic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321390858.4U CN220081321U (en) | 2023-06-02 | 2023-06-02 | Integral type reverse-pulling mechanical reaming fluidic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220081321U true CN220081321U (en) | 2023-11-24 |
Family
ID=88825135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321390858.4U Active CN220081321U (en) | 2023-06-02 | 2023-06-02 | Integral type reverse-pulling mechanical reaming fluidic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220081321U (en) |
-
2023
- 2023-06-02 CN CN202321390858.4U patent/CN220081321U/en active Active
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