CN112302530A - Propeller with drill rod bending mechanism - Google Patents
Propeller with drill rod bending mechanism Download PDFInfo
- Publication number
- CN112302530A CN112302530A CN202011285902.6A CN202011285902A CN112302530A CN 112302530 A CN112302530 A CN 112302530A CN 202011285902 A CN202011285902 A CN 202011285902A CN 112302530 A CN112302530 A CN 112302530A
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- China
- Prior art keywords
- drill rod
- propeller
- bending mechanism
- main body
- cylinder
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- 238000005452 bending Methods 0.000 title claims abstract description 76
- 239000011435 rock Substances 0.000 claims description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 238000005553 drilling Methods 0.000 claims description 9
- 230000008602 contraction Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 10
- 238000009412 basement excavation Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 241001397809 Hakea leucoptera Species 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B1/00—Percussion drilling
- E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/025—Rock drills, i.e. jumbo drills
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a propeller with a drill rod bending mechanism, which comprises a propeller main body, wherein the drill rod bending mechanism is arranged on the propeller main body, and a drill rod arranged on the propeller main body realizes the bending of the head of the drill rod through the drill rod bending mechanism; the drill rod bending mechanism is integrated or split and is positioned at the push-out end of the propeller main body; the invention has the beneficial effects that: by arranging the drill rod bending mechanism on the propeller, the structure is more compact, the construction process is more convenient, and the construction efficiency and precision are greatly improved; the head of the drill rod can be accurately bent according to a required angle, the head of the drill rod is tightly attached to the wall of the tunnel to drill the hole on the tunnel face, and the problem of over-excavation and under-excavation of the tunnel is accurately controlled.
Description
Technical Field
The invention belongs to the technical field of rock drilling equipment, and particularly relates to a propeller with a drill rod bending mechanism.
Background
The traditional tunnel excavation needs smooth blasting, the head of a drill rod is required to be tightly attached to the tunnel wall to drill a hole on the tunnel face, the edge center distance of a rock drill is mostly more than 80mm due to the external shape of the rock drill, so that the head of the drill rod cannot be tightly attached to the tunnel wall to drill the hole by the traditional propeller, the traditional construction method depends on experience of operators, the drill rod is bent on the tunnel wall by external force, the hole is drilled on the tunnel face, the bending degree is not easy to master, and the bending degree depends on experience completely. Therefore, the head of the drill rod cannot be bent through the propeller, and the head of the drill rod is low in working efficiency and poor in safety performance through operation and control of experience of an operator.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a propeller with a drill rod bending mechanism.
The propeller with the drill rod bending mechanism comprises a propeller main body, wherein the drill rod bending mechanism is installed on the propeller main body, and a drill rod placed on the propeller main body realizes the bending of the head of the drill rod through the drill rod bending mechanism; the drill rod bending mechanism is integrated or split and is positioned at the push-out end of the propeller main body.
Preferably, the drill rod bending mechanism is an integral type and comprises a base, a pitching frame, a drill rod sleeve and a first driving cylinder, the base is mounted on the propeller main body, the drill rod sleeve is mounted on the pitching frame, one end of the pitching frame is hinged to the base, the other end of the pitching frame is hinged to a driving end of the first driving cylinder, a cylinder wall of the first driving cylinder is mounted on the base, and the pitching frame is driven to rotate and bend the drill rod head through the expansion and contraction of the first driving cylinder.
Preferably, the upper end of the pitching frame is provided with a mounting hole, the radial end of the inner wall of the mounting hole is provided with a circle of limiting groove, the radial end of the outer wall of the drill rod sleeve matched with the limiting groove is provided with a circle of bulge, and the bulge is embedded into the limiting groove and fixed through pressing plates positioned on two sides of the bulge.
Preferably, the pitching frame and the base are fixedly connected through a pin shaft, and the pitching frame and the radial end of the pin shaft are fixed through a bolt assembly to prevent relative movement between the pitching frame and the pin shaft.
Preferably, the base is provided with a top plate for tightly attaching to the tunnel wall.
Preferably, the drill rod bending mechanism is split and comprises a bending assembly and a drill rod supporting assembly, the bending assembly is mounted at the push-out end of the propeller main body, and the drill rod supporting assembly is mounted on the propeller main body and located behind the bending assembly; and the hole core of the bending assembly for inserting the through hole of the drill rod and the hole core of the drill rod supporting assembly for inserting the through hole of the drill rod are positioned on the same axial core line.
Preferably, the bending assembly comprises a hinge sleeve and a second driving cylinder, the cylinder wall of the second driving cylinder is installed on the propeller body, and the driving end of the second driving cylinder is hinged to the hinge sleeve through a pin shaft and limited through a cotter pin.
Preferably, the drill rod supporting assembly comprises a mounting seat, a drill rod supporting sleeve and a spring clamp, the mounting seat is mounted on the propeller main body, and the drill rod supporting sleeve is mounted on the mounting seat and clamped through the spring clamp.
Preferably, a top plate for closely adhering to the tunnel wall is mounted on the pushing end of the pusher body.
Preferably, the propeller main body comprises a propelling beam, a propelling cylinder, a propelling rope pulley, a rock drill, a return rope pulley, a propelling steel wire rope and a return steel wire rope, wherein the propelling rope pulley, the rock drill and the return rope pulley are sequentially arranged on the propelling beam and can freely slide along the axial direction of the propelling beam, and the drill rod bending mechanism is arranged at the pushing-out end of the propelling beam and is positioned in front of the propelling rope pulley; the tail end of a cylinder rod of the propulsion oil cylinder is fixed on the propulsion beam, one end of a steel cylinder of the propulsion oil cylinder is connected to the propulsion rope wheel, and the other end of the steel cylinder is connected to the return rope wheel; one end of the propulsion steel wire rope is connected to the rock drill and bypasses the propulsion rope wheel, and the other end of the propulsion steel wire rope is fixed on the propulsion beam; one end of the return steel wire rope is fixed on the propelling beam and bypasses the return rope pulley, and the other end of the return steel wire rope is fixed on the rock drill.
The invention has the beneficial effects that: by arranging the drill rod bending mechanism on the propeller, the structure is more compact, the construction process is more convenient, and the construction efficiency and precision are greatly improved; the head of the drill rod can be accurately bent according to a required angle, the head of the drill rod is tightly attached to the wall of the tunnel to drill the hole on the tunnel face, and the problem of over-excavation and under-excavation of the tunnel is accurately controlled.
Drawings
FIG. 1 is a schematic view of the propeller of the present invention with an integrated shank bending mechanism.
FIG. 2 is a perspective view of the integral drill rod bending mechanism of the present invention.
Fig. 3 is an exploded view of the integral drill rod bending mechanism of the present invention.
FIG. 4 is a schematic sectional front view of the integral drill rod bending mechanism of the present invention.
Fig. 5 is a schematic diagram of the propeller structure with a split type drill rod bending mechanism of the invention.
FIG. 6 is a schematic view of the bend assembly configuration within the split shank bending mechanism of the present invention.
FIG. 7 is a schematic structural diagram of a drill rod supporting assembly in the split drill rod bending mechanism of the present invention.
The reference numbers in the drawings are respectively: a propeller main body 1; a drill rod bending mechanism 2; a drill rod 3; a feed beam 11; a propulsion cylinder 12; a propulsion sheave 13; a rock drill 14; a return sheave 15; a propulsion wire rope 16; returning to the wire rope 17; a base 21; a pitching frame 22; a pin bush 23; a first drive cylinder 24; a platen 25; a pin shaft 26; a bolt assembly 27; a top plate 28; mounting holes 22-1; a limiting groove 22-2; the projection 23-1; a flexure assembly 2A; a hinge sleeve 2A-1; a second drive cylinder 2A-2; a cotter pin 2A-3; a drill rod supporting component 2B; a mounting seat 2B-1; a brazing sleeve 2B-2; a spring clip 2B-3; a clamping groove 2B-4; and mounting grooves 2B-5.
Detailed Description
The invention will be described in detail below with reference to the following drawings: as shown in the attached drawings 1 and 5, the invention comprises a propeller main body 1, a drill rod bending mechanism 2 is arranged on the propeller main body 1, a drill rod 3 arranged on the propeller main body realizes the bending of the head part of the drill rod through the drill rod bending mechanism 2, and the drill rod 3 is fixedly connected with a drill bit through threads by the drill rod main body; the drill rod bending mechanism 2 is integrated or split and is positioned at the push-out end of the propeller main body 1; by arranging the drill rod bending mechanism on the propeller, the structure is more compact, the construction process is more convenient, and the construction efficiency and precision are greatly improved; the drill rod extending out of the push beam can be bent by a required angle, the head of the drill rod is tightly attached to the tunnel wall to drill a hole on the tunnel face, and the problem of tunnel excavation overdue and undermining is accurately controlled.
As shown in fig. 2 to 4, in order to make the overall performance of the drill rod bending mechanism better, facilitate installation and facilitate insertion of the drill rod, the drill rod bending mechanism 2 is an integral type and comprises a base 21, a pitching frame 22, a drill rod sleeve 23 and a first driving cylinder 24, wherein the base 21 is installed on the propeller main body 1, the drill rod sleeve 23 is installed on the pitching frame 22, and the rotating end of the pitching frame 22 is hinged on one side of the base 21, which is close to the side of the propulsion rope wheel; the pitching end of the pitching frame 22 is hinged with the driving end of the first driving cylinder 24, the cylinder wall of the first driving cylinder 24 is installed on the base 21, and the first driving cylinder 24 is obliquely arranged along the length direction of the pitching frame 22, so that the pitching frame 22 is more stable in the pitching motion process, the oblique arrangement of the first driving cylinder 24 can play a role in pushing in the drilling process of a drill rod through a rock drill, and the whole thruster is better in stability in construction; the expansion and contraction of the first driving cylinder 24 drives the pitching frame 22 to rotate and bend the head of the drill rod.
The upper end of the pitching frame 22 is provided with a mounting hole 22-1 which is arranged along the length direction of the pitching frame; the radial end of the inner wall of the mounting hole 22-1 is provided with a circle of limiting groove 22-2, the radial end of the outer wall of the drill rod sleeve 23 matched with the limiting groove 22-2 is provided with a circle of bulge 23-1, and the bulge 23-1 is embedded into the limiting groove 22-2 and fixed by pressing plates 25 positioned at two sides of the bulge; therefore, when the drill rod is inserted into the drill rod sleeve 23, the drill rod sleeve cannot slide on the pitching frame 22 under the influence of external force, and can be prevented from moving in the process of bending and drilling the drill rod, so that the stability and the safety are better.
The pitching frame 22 and the base 21 are fixedly connected through a pin 26, and the pitching frame 22 and the radial end of the pin 26 are fixed through a bolt assembly 27 to prevent relative movement between the pitching frame 22 and the pin 26.
The top plate 28 used for being tightly attached to the tunnel wall is installed on the base 21, and the top plate 28 protrudes out of the pitching frame 22 along the length direction of the base, so that the top plate 28 not only can enable the rock on the top of the thruster to be more stable, but also can prevent the pitching frame from colliding with the tunnel wall in the rotating process.
When the drilling machine works, the top disc 28 is pressed against rocks on the wall of a tunnel, the first driving cylinder 24 stretches and retracts to drive the pitching frame 22 and the pin shaft 26, the drill rod sleeve 23 rotates together, a drill rod inserted into the drill rod sleeve 23 is bent, the bent drill rod is attached to the wall of the tunnel, and holes are drilled perpendicular to the tunnel face, so that accurate drilling can be achieved.
As shown in fig. 6 and 7, in order to simplify the structure of the drill rod bending mechanism and facilitate the maintenance and replacement of parts, the drill rod bending mechanism 2 is split and comprises a bending assembly 2A and a drill rod supporting assembly 2B, wherein the bending assembly 2A is installed at the push-out end of the propeller main body 1, and the drill rod supporting assembly 2B is installed on the propeller main body 1 and is located behind the bending assembly 2A; the hole core of the bending component 2A for inserting the through hole of the drill rod and the hole core of the drill rod supporting component 2B for inserting the through hole of the drill rod are positioned on the same axial core line, and the hole cores of the inner holes of the propelling rope wheels 13 are also positioned on the same axial core line; therefore, the drill rod is inserted into the split type drill rod bending mechanism 2 to have better same core degree, and meanwhile, the drill rod can slide more smoothly in the working process of the rock drill, so that the construction efficiency is improved.
The bending component 2A comprises a hinge sleeve 2A-1 and a second driving cylinder 2A-2, the cylinder wall of the second driving cylinder 2A-2 is installed on the propeller body 1, the driving end of the driving cylinder 2A-2 is hinged with the hinge sleeve 2A-1 through a pin shaft and limited through a cotter pin 2A-3, and the hinge sleeve 2A-1 is prevented from freely rotating at the driving end of the second driving cylinder 2A-2; the shaft core line of the hinged sleeve 2A-1 and the central line of the driving end of the second driving cylinder 2A-2 are distributed vertically, so that the second driving cylinder 2A-2 enables the stress of the hinged sleeve 2A-1 to be more uniform in the expansion process, and a drill rod is enabled to be higher in bending efficiency in the drilling process through a rock drill, and the whole propeller is better in stability in construction.
The drill rod supporting assembly 2B comprises a mounting seat 2B-1, a drill rod supporting sleeve 2B-2 and a spring clamp 2B-3, the mounting seat 2B-1 is mounted on the propeller main body 1, the drill rod supporting sleeve 2B-2 is mounted in a mounting groove 2B-5 formed in the upper end of the mounting seat 2B-1 and is clamped through the spring clamp 2B-3, a clamping groove 2B-4 for mounting the spring clamp 2B-3 is formed in the upper end of the mounting seat 2B-1, the clamping groove 2B-4 is located on two sides of the mounting groove 2B-5, the clamping groove 2B-4 is located above the drill rod supporting sleeve 2B-2 in the mounting groove 2B-5, so that the drill rod supporting sleeve 2B-2 is clamped in the mounting seat 2B-1, the drill rod supporting sleeve 2B-2 cannot be separated from the mounting seat 2B-1 when a drill rod is bent through the bending assembly 2A, the stability is better.
A top disc 28 used for being tightly attached to the tunnel wall is arranged on the pushing end of the thruster main body 1; the top plate 28 serves to make the rock of the tunnel wall of the thruster more stable.
When the drill rod bending device works, the top disc 28 is pressed against rocks on the tunnel wall, the second driving cylinder 2A-2 retracts to drive the hinge sleeve 2A-1 to move downwards, the drill rod is still held by the drill rod holding sleeve 2B-2 and serves as a fulcrum, so that the end of the drill rod on the hinge sleeve 2A-1 is bent, the bent drill rod is tightly attached to the tunnel wall, and holes are drilled in a mode of being perpendicular to the tunnel face, and accurate drilling can be achieved.
The drive cylinder referred to above is a hydraulic cylinder or a drive cylinder having the same effect.
The propeller main body 1 comprises a propelling beam 11, a propelling oil cylinder 12, a propelling rope pulley 13, a rock drill 14, a return rope pulley 15, a propelling steel wire rope 16 and a return steel wire rope 17, wherein the propelling rope pulley 13, the rock drill 14 and the return rope pulley 15 are sequentially arranged on the propelling beam 11 through V-shaped grooves and can freely slide along the axial direction of the propelling beam, and the drill rod bending mechanism 2 is arranged at the push-out end of the propelling beam 11 and is positioned in front of the propelling rope pulley 13; the tail end of a cylinder rod of a propulsion oil cylinder 12 is fixed on a propulsion beam 11, one end of a steel cylinder of the propulsion oil cylinder 12 is connected to a propulsion rope wheel 13, and the other end of the steel cylinder is connected to a return rope wheel 15; one end of a propulsion steel wire rope 16 is connected to the rock drill 14 and bypasses a propulsion rope wheel 13, and the other end of the propulsion steel wire rope is fixed on the propulsion beam 11; one end of a return wire rope 17 is fixed to the feed beam 11 and runs around the return rope sheave 15, and the other end is fixed to the rock drilling machine 14.
The drill rod 3 passes through the inner hole of the drill rod sleeve 23 or sequentially passes through the inner hole of the hinge sleeve 2A-1 and the inner hole of the drill rod supporting sleeve 2B-2 and passes through the inner hole of the propelling rope wheel 13, and is connected with the driving end of the rock drill 14 in a threaded connection mode.
When the propulsion cylinder 12 is extended, the steel cylinder of the propulsion cylinder 12 drives the propulsion sheave 13, the return sheave 15 slides axially along the propulsion beam 11, and the propulsion rope 16 is driven by the propulsion sheave 13 to pull the rock drill 14 to slide axially along the propulsion beam 11.
When the propulsion cylinder 12 is retracted, the steel cylinder of the propulsion cylinder 12 carries the propulsion sheave 13, the return sheave 15 axially slides along the propulsion beam 11, and via the return sheave 15 the return wire rope 17 is carried to pull the rock drill 14 axially along the propulsion beam 11.
The present invention is not limited to the above embodiments, and any changes in the shape or material composition, or any changes in the structural design provided by the present invention, are all modifications of the present invention, and should be considered to be within the scope of the present invention.
Claims (10)
1. A propeller with a drill rod bending mechanism, comprising a propeller body (1), characterized in that: a drill rod bending mechanism (2) is installed on the propeller main body (1), and a drill rod (3) placed on the propeller main body realizes bending of the head of the drill rod through the drill rod bending mechanism (2); the drill rod bending mechanism (2) is integrated or split and is positioned at the push-out end of the propeller main body (1).
2. The propeller with a shank bending mechanism according to claim 1, wherein: the drill rod bending mechanism (2) is integral and comprises a base (21), a pitching frame (22), a drill rod sleeve (23) and a first driving cylinder (24), wherein the base (21) is installed on the propeller main body (1), the drill rod sleeve (23) is installed on the pitching frame (22), one end of the pitching frame (22) is hinged to the base (21), the other end of the pitching frame (22) is hinged to the driving end of the first driving cylinder (24), the cylinder wall of the first driving cylinder (24) is installed on the base (21), and the pitching frame (22) is driven to rotate and bend the drill rod head through the expansion and contraction of the first driving cylinder (24).
3. The propeller with a shank bending mechanism according to claim 2, wherein: the upper end of the pitching frame (22) is provided with a mounting hole (22-1), the radial end of the inner wall of the mounting hole (22-1) is provided with a circle of limiting groove (22-2), the radial end of the outer wall of the drill rod sleeve (23) matched with the limiting groove (22-2) is provided with a circle of bulge (23-1), and the bulge (23-1) is embedded into the limiting groove (22-2) and fixed through pressing plates (25) positioned on two sides of the bulge.
4. The propeller with a shank bending mechanism according to claim 2, wherein: the pitching frame (22) and the base (21) are fixedly connected through a pin shaft (26), and the pitching frame (22) and the radial end of the pin shaft (26) are fixed through a bolt component (27) to prevent relative movement between the pitching frame (22) and the pin shaft (26).
5. The propeller with a shank bending mechanism according to claim 2, wherein: and a top disc (28) which is tightly attached to the tunnel wall is arranged on the base (21).
6. The propeller with a shank bending mechanism according to claim 1, wherein: the drill rod bending mechanism (2) is split and comprises a bending assembly (2A) and a drill rod supporting assembly (2B), the bending assembly (2A) is installed at the push-out end of the propeller main body (1), and the drill rod supporting assembly (2B) is installed on the propeller main body (1) and is located behind the bending assembly (2A); and the hole core of the bending component (2A) for inserting the through hole of the drill rod and the hole core of the drill rod supporting component (2B) for inserting the through hole of the drill rod are positioned on the same axial core line.
7. The propeller with a shank bending mechanism according to claim 6, wherein: the bending assembly (2A) comprises a hinge sleeve (2A-1) and a second driving cylinder (2A-2), the cylinder wall of the second driving cylinder (2A-2) is installed on the propeller body (1), and the driving end of the second driving cylinder (2A-2) is hinged to the hinge sleeve (2A-1) through a pin shaft and limited through a split pin (2A-3).
8. The propeller with a shank bending mechanism according to claim 6, wherein: the drill rod supporting assembly (2B) comprises a mounting seat (2B-1), a drill rod supporting sleeve (2B-2) and a spring clamp (2B-3), the mounting seat (2B-1) is mounted on the propeller main body (1), and the drill rod supporting sleeve (2B-2) is mounted on the mounting seat (2B-1) and clamped through the spring clamp (2B-3).
9. The propeller with a shank bending mechanism according to claim 6, wherein: and a top disc (28) used for being tightly attached to the tunnel wall is mounted on the push-out end of the propeller main body (1).
10. The propeller with a shank bending mechanism according to claim 1, wherein: the propeller main body (1) comprises a propelling beam (11), a propelling oil cylinder (12), a propelling rope wheel (13), a rock drill (14), a return rope wheel (15), a propelling steel wire rope (16) and a return steel wire rope (17), wherein the propelling rope wheel (13), the rock drill (14) and the return rope wheel (15) are sequentially arranged on the propelling beam (11) and can freely slide along the axial direction of the propelling beam, and the drill rod bending mechanism (2) is arranged at the push-out end of the propelling beam (11) and is positioned in front of the propelling rope wheel (13); the tail end of a cylinder rod of the propulsion oil cylinder (12) is fixed on the propulsion beam (11), one end of a steel cylinder of the propulsion oil cylinder (12) is connected to the propulsion rope wheel (13), and the other end of the steel cylinder is connected to the return rope wheel (15); one end of the propulsion steel wire rope (16) is connected to the rock drill (14) and bypasses the propulsion rope wheel (13), and the other end of the propulsion steel wire rope is fixed on the propulsion beam (11); one end of the return steel wire rope (17) is fixed on the propelling beam (11) and bypasses the return rope wheel (15), and the other end of the return steel wire rope is fixed on the rock drilling machine (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011285902.6A CN112302530A (en) | 2020-11-17 | 2020-11-17 | Propeller with drill rod bending mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011285902.6A CN112302530A (en) | 2020-11-17 | 2020-11-17 | Propeller with drill rod bending mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112302530A true CN112302530A (en) | 2021-02-02 |
Family
ID=74334878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011285902.6A Pending CN112302530A (en) | 2020-11-17 | 2020-11-17 | Propeller with drill rod bending mechanism |
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| Country | Link |
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| CN (1) | CN112302530A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446012A (en) * | 2021-08-11 | 2021-09-28 | 中国铁建重工集团股份有限公司 | Drilling inducing device and method for rock drill propelling mechanism |
-
2020
- 2020-11-17 CN CN202011285902.6A patent/CN112302530A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446012A (en) * | 2021-08-11 | 2021-09-28 | 中国铁建重工集团股份有限公司 | Drilling inducing device and method for rock drill propelling mechanism |
| CN113446012B (en) * | 2021-08-11 | 2022-10-14 | 中国铁建重工集团股份有限公司 | Drilling inducing device and method for rock drill propelling mechanism |
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