CN220059446U - Combined counter-pulling mechanical reaming jet device - Google Patents
Combined counter-pulling mechanical reaming jet device Download PDFInfo
- Publication number
- CN220059446U CN220059446U CN202321409250.1U CN202321409250U CN220059446U CN 220059446 U CN220059446 U CN 220059446U CN 202321409250 U CN202321409250 U CN 202321409250U CN 220059446 U CN220059446 U CN 220059446U
- Authority
- CN
- China
- Prior art keywords
- reaming
- cutter
- jet
- guide rod
- assembly
- 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
- 238000004080 punching Methods 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 210000001503 joint Anatomy 0.000 claims abstract description 8
- 239000003245 coal Substances 0.000 abstract description 9
- 238000005553 drilling Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model discloses a combined 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, the reaming assembly comprises a cutter body and a cutter bar, and the jet assembly comprises a punching guide rod and a water nozzle. The cutter bars are arranged in the groove formed in the front end of the cutter body, the cutter bars are opened under the action of centrifugal force by increasing the rotating speed, reaming operation can be achieved when the cutter bars are pulled outwards, in the drilling process of the device, the coal wall can be washed under high pressure in advance through the water nozzle arranged at the rear end, mechanical reaming at the rear end is facilitated, in addition, the two cutter bar gears which are in tooth butt joint are arranged on the two cutter bars, the two cutter bars can be opened symmetrically, the front ends of the cutter bars are inclined, when the two cutter bars are butt-jointed together, the front ends of the cutter bars are sharp-angled, and further the cutter bars can be drilled forwards more easily.
Description
Technical Field
The utility model relates to a reaming jet device, in particular to a combined type reverse-pulling mechanical reaming jet device, and belongs to the technical field of coal mining equipment.
Background
When the hydraulic pressure exceeds 6 megapascals to drive the cutter bar rack piston to advance to the front section, the rack linkage cutter bar gear opens the high-pressure water to spray out from the side face for reaming so as to realize intermittent reaming operation on the coal seam.
In the prior art, as disclosed in CN109751030a, a combined jet perforating 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 perforating tool, the reverse flow is reduced, so that the damage of the jet reverse flow to the perforating tool is reduced, and the service life of the perforating tool is prolonged.
Disclosure of Invention
The utility model aims to solve at least one technical problem and provide a combined counter-pulling mechanical reaming jet device.
The utility model realizes the above purpose through the following technical scheme: the combined 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 in combined butt joint;
the reaming assembly comprises a cutter body and a cutter bar, the cutter bar is arranged in a groove formed in the front end of the cutter body, and the outer side surface of the cutter bar is connected with a plurality of cutting bits;
the jet flow component comprises a punching guide rod and a water nozzle, the punching guide rod is connected to the tail end of the cutter body, the punching guide rod is hollow, and the water nozzle is arranged on the rod body of the punching 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, the two cutter bar gears are rotationally connected in a groove formed in the front end of the cutter body through a pin shaft, and the two cutter bar gears are rotationally connected in the groove formed in the front end of the cutter body through the pin shaft.
As still further aspects of the utility model: the front end of the cutter bar is in an inclined plane shape.
As still further aspects of the utility model: the inner side surfaces of the two cutter bars are provided with racks, and magnets are embedded in the inner side surface of one cutter bar, which is close to the gear end of the cutter bar.
As still further aspects of the utility model: the rod body at the connecting end of the punching guide rod and the cutter body is provided with a clamping surface.
As still further aspects of the utility model: and a butt thread is arranged in an inner cavity of one end of the punching guide rod, which is far away from the cutter body.
As still further aspects of the utility model: the water nozzle arranged on the punching guide rod comprises but is not limited to one water nozzle, and the water nozzle is communicated with the hollow inner cavity of the punching guide rod.
The beneficial effects of the utility model are as follows: the cutter bars are arranged in the groove formed in the front end of the cutter body, the cutter bars are opened under the action of centrifugal force by increasing the rotating speed, reaming operation during outward pulling can be achieved, in the drilling process of the device, high-pressure flushing can be performed on a coal wall in advance through the water nozzle arranged at the rear end, and mechanical reaming of the rear end is facilitated.
Drawings
FIG. 1 is a schematic diagram of a front perspective structure of the present utility model;
FIG. 2 is a schematic rear perspective view of the present utility model;
FIG. 3 is a schematic view showing the closed state of the cutter bar according to the present utility model;
fig. 4 is a schematic view showing the open state of the cutter bar according to the present utility model.
In the figure: 1. the punching guide rod 2, the cutter body 3, the cutter bar 4, the cutter bar gear 5, the pin shaft 6, the rack 7, the cutting tool bit 8, the magnet 9, the butt joint screw thread 10, the water nozzle 11 and the clamping surface.
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.
Example 1
As shown in fig. 1 to 4, a combined counter-pulling mechanical reaming jet device comprises a reaming jet mechanism, wherein the reaming jet mechanism consists of a reaming component and a jet component, the jet component is arranged at the rear end of the reaming component, and the reaming component and the jet component are in combined butt joint;
the reaming assembly comprises a cutter body 2 and a cutter bar 3, the cutter bar 3 is arranged in a groove formed in the front end of the cutter body 2, and the outer side surface of the cutter bar 3 is connected with a plurality of cutting bits 7;
the jet flow component comprises a punching guide rod 1 and a water nozzle 10, wherein the punching guide rod 1 is connected to the tail end of the cutter body 2, the punching guide rod 1 is hollow, and the water nozzle 10 is arranged on the rod body of the punching guide rod 1.
Example 2
In addition to all the technical features in embodiment 1, this 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 4 in meshing butt joint, the two cutter bar gears 4 are rotationally connected in a groove formed in the front end of the cutter body 2 through a pin shaft 5, the cutter bars 3 can be thrown away symmetrically under the action of centrifugal force, and then the two cutter bars 3 can be used for expanding holes.
The front ends of the cutter bars 3 are inclined, when the two cutter bars 3 are butted together, the front ends of the cutter bars 3 are sharp-angled, and further, the drill can be more easily advanced during drilling.
The rack 6 is arranged on the inner side surfaces of the two cutter bars 3, the magnet 8 is embedded in the inner side surface of one cutter bar 3 close to the cutter bar gear 4 end, the two cutter bars 3 can be tightly attached together under the action of the magnet 8 under the condition that the rotating speed of the device is low, and when the rotating speed is high, the two cutter bars 3 can be thrown away under the action of centrifugal force, and the reaming operation can be pulled outwards.
Example 3
In addition to all the technical features in embodiment 1, this embodiment further includes:
the rod body of the connecting end of the punching guide rod 1 and the cutter body 2 is provided with the clamping surface 11, so that the device can be clamped and fixed conveniently through the external clamp, and further the device can be connected with operation equipment conveniently.
The inner cavity of one end, far away from the cutter body 2, of the punching guide rod 1 is provided with a butt-joint thread 9, and the device is connected with operation equipment in a threaded connection mode, so that the device is convenient to assemble and disassemble.
The water nozzle 10 arranged on the punching guide rod 1 comprises but is not limited to one water nozzle 10 which is communicated with the hollow inner cavity of the punching guide rod 1, and the coal wall can be washed at high pressure in advance during the drilling process of the device so as to facilitate the mechanical reaming of the rear end.
The device drills into the coal seam at a low rotation speed, the two cutter bars 3 are tightly attached together, the operation is performed by drilling into the depth of the coal seam through the inclined plane structure at the front end, meanwhile, the water nozzle 10 sprays high-pressure water to flush the coal wall in advance in the drilling process, after the coal is drilled 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 hole.
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 (7)
1. The utility model provides a combination formula reverse-pulling machinery reaming fluidic device, includes reaming fluidic 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 in combined butt joint;
the reaming assembly comprises a cutter body (2) and a cutter bar (3), the cutter bar (3) is arranged in a groove formed in the front end of the cutter body (2), and the outer side surface of the cutter bar (3) is connected with a plurality of cutting tool bits (7);
the jet flow assembly comprises a punching guide rod (1) and a water nozzle (10), wherein the punching guide rod (1) is connected to the tail end of the cutter body (2), the punching guide rod (1) is hollow, and the water nozzle (10) is arranged on the rod body of the punching guide rod (1).
2. A combined counter-pulling mechanical reaming jet device according to claim 1, wherein: the cutter bars (3) are symmetrically arranged, the tail ends of the two cutter bars (3) are integrally connected with cutter bar gears (4) in meshing butt joint, and the two cutter bar gears (4) are rotationally connected in a groove formed in the front end of the cutter body (2) through a pin shaft (5).
3. A combined counter-pulling mechanical reaming jet device as defined in claim 2, wherein: the front end of the cutter bar (3) is in an inclined plane shape.
4. A combined counter-pulling mechanical reaming jet device as defined in claim 2, wherein: the inner side surfaces of the two cutter bars (3) are provided with racks (6), and a magnet (8) is embedded in the inner side surface of one cutter bar (3) close to the end of the cutter bar gear (4).
5. A combined counter-pulling mechanical reaming jet device according to claim 1, wherein: the rod body at the connecting end of the punching guide rod (1) and the cutter body (2) is provided with a clamping surface (11).
6. A combined counter-pulling mechanical reaming jet device of claim 5, wherein: and a butt thread (9) is arranged in an inner cavity of one end, far away from the cutter body (2), of the punching guide rod (1).
7. A combined counter-pulling mechanical reaming jet device of claim 5, wherein: the water nozzle (10) arranged on the punching guide rod (1) comprises but is not limited to one water nozzle, and the water nozzle (10) is communicated with the hollow inner cavity of the punching guide rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321409250.1U CN220059446U (en) | 2023-06-05 | 2023-06-05 | Combined counter-pulling mechanical reaming jet device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321409250.1U CN220059446U (en) | 2023-06-05 | 2023-06-05 | Combined counter-pulling mechanical reaming jet device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220059446U true CN220059446U (en) | 2023-11-21 |
Family
ID=88786039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321409250.1U Active CN220059446U (en) | 2023-06-05 | 2023-06-05 | Combined counter-pulling mechanical reaming jet device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220059446U (en) |
-
2023
- 2023-06-05 CN CN202321409250.1U patent/CN220059446U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10633927B2 (en) | Internal reamer for anchor shaft hole for mining | |
| CN208830889U (en) | A kind of rotary drilling rig being conveniently replaceable drill bit | |
| CN204457441U (en) | A kind of two-way reamer for no-dig technique horizontal directional drill | |
| CN201420507Y (en) | Irregular polygon grooving drill rod | |
| CN112922531A (en) | Anti-backflow directional drill bit with back flushing function and construction method thereof | |
| CN220059446U (en) | Combined counter-pulling mechanical reaming jet device | |
| CN108547576A (en) | Become water pressure pulse and controls drilling tool | |
| CN105735900A (en) | Back-enlarging head for anchor hole chambering | |
| CN101566049B (en) | Irregularly shaped multi-land notch groove drill rod | |
| CN204200084U (en) | A kind of casing inner diameter of hydro powered is to boring high pressure rotary bistrique | |
| CN116025274B (en) | Anchor cable punching device and punching method thereof | |
| CN205638236U (en) | Anchor eye reaming is returned and is expanded head | |
| CN220081321U (en) | Integral type reverse-pulling mechanical reaming fluidic device | |
| CN113107582B (en) | Pressure relief and permeability improvement construction system for coal seam | |
| CN208416467U (en) | A kind of more power preventing sticking auger stems | |
| CN215718480U (en) | A combination formula perforating device for water conservancy construction | |
| CN219570049U (en) | Drilling equipment for geotechnical engineering convenient to change | |
| CN217300569U (en) | Mechanical-hydraulic integrated reducing and reaming drill rod | |
| CN111810087A (en) | Hydraulic large-diameter grading cave-making pressure-relief permeability-increasing device and method | |
| CN204591168U (en) | Can the auger stem that is threaded of rotating | |
| CN213116173U (en) | Novel double-barrelled unit head that creeps into for colliery | |
| CN215485880U (en) | Expanding drill bit | |
| CN220929333U (en) | Adjustable impact core drill | |
| CN221220368U (en) | Combined drilling tool | |
| CN220353826U (en) | Connecting assembly of blind hole drilling tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |