CN218912785U - Tilting mechanism and down-the-hole drill - Google Patents
Tilting mechanism and down-the-hole drill Download PDFInfo
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- CN218912785U CN218912785U CN202222750297.6U CN202222750297U CN218912785U CN 218912785 U CN218912785 U CN 218912785U CN 202222750297 U CN202222750297 U CN 202222750297U CN 218912785 U CN218912785 U CN 218912785U
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- hole
- swing arm
- turnover
- head
- connecting rod
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- 230000007246 mechanism Effects 0.000 title claims abstract description 29
- 230000007306 turnover Effects 0.000 claims description 69
- 238000010586 diagram Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a tilting mechanism for down-the-hole drill impels roof beam system, tilting mechanism includes impel roof beam bracket, flexible hydro-cylinder, swing arm, connecting rod and upset head, flexible hydro-cylinder first end with impel the roof beam bracket is rotationally connected, the second end with the connecting rod is rotationally connected, swing arm first end with impel the roof beam bracket is rotationally connected, the second end with the connecting rod is rotationally connected, upset head first end with impel the roof beam bracket is rotationally connected, the second end with the connecting rod is rotationally connected, flexible hydro-cylinder is used for through producing flexible motion in order to drive the connecting rod drives the swing arm and the upset head rotates.
Description
Technical Field
The utility model relates to the technical field of down-the-hole drills, in particular to a turnover mechanism and a down-the-hole drill with the turnover mechanism.
Background
The down-the-hole drill is an engineering machine mainly used in small and medium-sized mines, and has a severe working environment and complex working conditions. The front end of the down-the-hole drill is directly connected with the drill bit, and the rear end is connected with the drill rod. When in rock drilling, the hammer body in the impactor is driven to reciprocate to strike the drill shank through the air distribution device, so that the drill bit impacts the rock at the bottom of the hole. When the propelling beam needs to be overturned in the face of different drilling working conditions, the propelling beam bracket needs to be driven to overturned through the telescopic movement of the oil cylinder, and the propelling beam arranged on the propelling beam bracket overturns together with the propelling beam bracket. In the prior art, two connection points of the propelling beam bracket and the overturning head form a triangular stable structure, but the propelling beam bracket and the overturning head are easy to shake when the load is eccentric and the overturning action amplitude is large, the stability is poor, and safety accidents are easy to occur. Therefore, how to improve the stability of the turnover mechanism and ensure the safety in the working process is a problem to be solved by the technicians in the field.
Disclosure of Invention
In view of the above, an object of the present utility model is to provide a tilting mechanism having three fulcrums and being compact.
The utility model provides a turnover mechanism which is used for a down-the-hole drill push beam system and comprises a push beam bracket, a telescopic oil cylinder, a swing arm, a connecting rod and a turnover head, wherein the first end of the telescopic oil cylinder is rotatably connected with the push beam bracket, the second end of the telescopic oil cylinder is rotatably connected with the connecting rod, the first end of the swing arm is rotatably connected with the push beam bracket, the second end of the swing arm is rotatably connected with the connecting rod, the first end of the turnover head is rotatably connected with the push beam bracket, the second end of the turnover head is rotatably connected with the connecting rod, and the telescopic oil cylinder is used for driving the connecting rod to drive the swing arm and the turnover head to rotate through telescopic movement.
In an embodiment, the propelling beam bracket is approximately cuboid in shape, the same side of the propelling beam bracket is provided with an oil cylinder connecting hole, a swing arm connecting hole and a turnover head connecting hole which are sequentially arranged, the oil cylinder connecting hole is aligned and connected with the first end of the telescopic oil cylinder, the swing arm connecting hole is aligned and connected with the first end of the swing arm, and the turnover head connecting hole is aligned and connected with the tail end of the turnover head.
In an embodiment, the swing arm is an arc plate, a first swing arm hole and a second swing arm hole are respectively formed in two ends of the swing arm, the first swing arm hole is aligned with the swing arm connecting hole and connected, and the second swing arm hole is rotatably connected with the connecting rod.
In an embodiment, the connecting rod comprises two main body plates and a plurality of middle plates, wherein the main body plates are arc-shaped plate bodies, the two main body plates are aligned in parallel, and the middle plates are connected between the two main body plates and are perpendicular to the two main body plates.
In an embodiment, each main body plate is provided with a first connecting rod hole, a second connecting rod hole and a third connecting rod hole which are sequentially arranged, the first connecting rod holes are aligned and connected with the second end of the telescopic oil cylinder, the second connecting rod holes are aligned and connected with the second swing arm holes, and the third connecting rod holes are connected with the overturning head.
In an embodiment, the turnover head comprises a turnover body with a substantially columnar shape, two first connecting plates which are parallel to each other are formed on two sides of the turnover body, the first connecting plates are substantially round-angle triangles, one corner is overlapped with the turnover body, the other corner extends out along a direction far away from the axis of the body, and a second connecting plate which is perpendicular to the first connecting plates is formed at the end part of the turnover body.
In an embodiment, the end of the turning main body is further provided with a first head hole, the end of the second connecting plate is provided with a second head hole, the first head hole is aligned with the turning head connecting hole, and the second head hole is aligned with the third connecting rod hole.
In an embodiment, the turnover mechanism further comprises a first cylinder pin and a second cylinder pin, wherein the first cylinder pin is inserted into the cylinder connecting hole to enable the telescopic cylinder to be rotatably connected with the thrust beam bracket, and the second cylinder pin is inserted into the first connecting rod hole to enable the telescopic cylinder to be rotatably connected with the connecting rod.
In an embodiment, the turnover mechanism further comprises a first swing arm pin, a second swing arm pin and a link pin, wherein the first swing arm pin is inserted into a swing arm connecting hole to enable the swing arm to be rotatably connected with the push beam bracket, the second swing arm pin is inserted into a second swing arm hole and a second link hole to enable the swing arm to be rotatably connected with the link, and the link pin is inserted into a second head hole and a third link hole to enable the link to be rotatably connected with the turnover head.
Embodiments of another aspect of the present application also provide a down-the-hole drill comprising a feed beam and a turnover mechanism as described above; the propelling beam is fixed on the propelling beam bracket, the telescopic oil cylinder is used for driving the connecting rod to drive the swing arm and the turnover head to rotate through generating telescopic motion, and the turnover head drives the propelling beam to rotate.
In the turnover mechanism provided by the embodiment of the utility model, the pushing beam bracket in the turnover mechanism is respectively connected with the telescopic oil cylinder, the swing arm and the turnover head, and the telescopic oil cylinder, the swing arm and the turnover head provide three supporting points for the pushing beam bracket, and then are connected through the connecting rod to move together.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a turnover mechanism according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram illustrating the assembly and disassembly of a turnover mechanism according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a pusher carriage according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a swing arm according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a connecting rod according to an embodiment of the present utility model;
fig. 6 is a schematic diagram of a flip head structure according to an embodiment of the utility model.
Detailed Description
Specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms described above will be understood to those of ordinary skill in the art in a specific context.
The terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," and the like are used as references to orientations or positional relationships based on the orientation or positional relationships shown in the drawings, or the orientation or positional relationships in which the inventive product is conventionally disposed in use, merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore are not to be construed as limiting the utility model.
The terms "first," "second," "third," and the like, are merely used for distinguishing between similar elements and not necessarily for indicating or implying a relative importance or order.
The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a list of elements does not include only those elements but may include other elements not expressly listed.
Referring to fig. 1 and 2, a turnover mechanism provided in an embodiment of the utility model is shown, and the turnover mechanism includes a push beam bracket 1, a telescopic cylinder 2, a swing arm 3, a connecting rod 4 and a turnover head 5. The telescopic oil cylinder 2, the swing arm 3 and the connecting rod 4 are arranged on the side face of the propelling beam bracket 1 and are positioned in the same plane, and the overturning head 5 is perpendicular to the side face of the propelling beam bracket 1. The telescopic oil cylinder 2, the swing arm 3 and the overturning head 5 are all connected to the connecting rod 4, and the telescopic oil cylinder 2 is used as a power source to drive the telescopic oil cylinder 2 to move together. The turnover mechanism further comprises a first oil cylinder pin 6, a second oil cylinder pin 7, a first swing arm pin 8, a second swing arm pin 9 and a connecting rod pin 10. The first cylinder pin 6 and the second cylinder pin 7 are used for connecting two ends of the telescopic cylinder 2. The first swing arm pin 8 and the second swing arm pin 9 are used for connecting two ends of the swing arm 3. The link pin 10 connects the link 4 with the inverting head 5. All the joints are provided with bearings, so that all the parts are rotatably connected with each other.
Referring to fig. 3, a pusher beam carrier 1 is used for placing the pusher beam, and the pusher beam carrier 1 is substantially rectangular in shape and has a plurality of connecting members and fixing members on the surface. The same side of the propelling beam bracket 1 is sequentially provided with an oil cylinder connecting part 11, a swing arm connecting part 12 and a turnover head connecting part 13. The cylinder connecting part 11 is a flat plate extending from the main body of the push beam bracket 1, the flat plate is provided with two parallel alignment plates, and the same position of each plate is provided with a cylinder connecting hole 111. And the position between the two flat plates is used for placing the end part of the telescopic oil cylinder 2, and finally the telescopic oil cylinder 2 is connected to the propelling beam bracket 1 by sequentially inserting the first oil cylinder pin 6 into the oil cylinder connecting hole 111 and the connecting hole of the end part of the telescopic oil cylinder 2. And the end part of the telescopic oil cylinder 2 is provided with a bearing, and the telescopic oil cylinder 2 is rotatably connected with the propelling beam bracket 1. The swing arm connecting part 12 and the turnover head connecting part 13 are hollow cylinders perpendicular to the side surface of the propelling beam bracket 1, a swing arm connecting hole 121 is formed in the swing arm connecting part 12, and a turnover head connecting hole 131 is formed in the turnover head connecting part 13. The swing arm connecting hole 121 and the turnover head connecting hole 131 are both cylindrical, and the diameter of the swing arm connecting hole 121 is smaller than the diameter of the turnover head connecting hole 131. The swing arm connecting portion 12 is greater in height than the turnover head connecting portion 13.
Referring to fig. 4 and 5, the swing arm 3 is an arc-shaped plate, and a first swing arm hole 31 and a second swing arm hole 32 are respectively formed at two ends of the swing arm 3. The connecting rod 4 comprises two main body plates 41 and a plurality of middle plates 42, wherein the main body plates 41 are arc-shaped plate bodies, the two main body plates 41 are aligned parallel to each other, and the middle plates 42 are connected between the two main body plates 41 and are perpendicular to the two main body plates 41. Each main body plate 41 is provided with a first link hole 43, a second link hole 44 and a third link hole 45 which are sequentially arranged.
Referring to fig. 6, the turnover head 5 includes a turnover body 51 having a substantially cylindrical shape, two first connection plates 52 parallel to each other are formed on both sides of the turnover body 51, and a second connection plate 53 perpendicular to the first connection plates 52 is formed at an end of the turnover body 51. The first connecting plate 52 has a substantially rounded triangle shape, one corner portion is overlapped with the tilting body 51, and one corner portion extends away from the body axis and is provided with a connecting hole. The end of the turnover body 51 is also provided with a first head hole 511, and the end of the second connecting plate 53 is provided with a second head hole 531.
When assembling, the two ends of the telescopic cylinder 2 are respectively placed in the middle of the cylinder connecting part 11 and the connecting rod 4. The first end of the telescopic cylinder 2 is inserted into the cylinder connecting hole 111 by the first cylinder pin 6 to be rotatably connected with the push beam bracket 1, and the second end of the telescopic cylinder 2 is inserted into the first connecting rod hole 43 by the second cylinder pin 7 to be rotatably connected with the connecting rod 4. The first swing arm hole 31 and the second swing arm hole 32 are each provided with a bearing. The first swing arm hole 31 of the swing arm 3 is sleeved on the swing arm connecting part 12, and the first swing arm pin 8 is inserted into the swing arm connecting hole 121 to rotatably connect the swing arm 3 with the propelling beam bracket 1. The second swing arm pin 9 is inserted into the second swing arm hole 32 and the second link hole 44 to rotatably connect the swing arm 3 with the link 4. The first head hole 511 is aligned with the flip head coupling hole 131, and the inside is coupled by the flip shaft. The second head hole 531 is also provided with a bearing, and the link pin 10 is inserted into the third link hole 45 and the second head hole 531 to rotatably connect the turnover head 5 with the link 4.
As shown in fig. 1, the telescopic cylinder 2 is in an extended state. When the telescopic oil cylinder 2 is retracted, the connecting rod 4 is driven to do clockwise rotation. When the connecting rod 4 makes clockwise rotation, the swing arm 3 is pushed to make clockwise rotation together, and the overturning head 5 is pulled to make clockwise rotation together. The propelling beam is fixedly connected with the overturning head 5, and when the overturning head 5 rotates clockwise, the propelling beam rotates together with the overturning head, so that the overturning of the propelling beam is realized.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Accordingly, the scope of the utility model should be assessed as that of the appended claims.
Claims (10)
1. The turnover mechanism is used for a down-the-hole drill propelling beam system and is characterized by comprising a propelling beam bracket, a telescopic oil cylinder, a swinging arm, a connecting rod and a turnover head, wherein the first end of the telescopic oil cylinder is rotatably connected with the propelling beam bracket, the second end of the telescopic oil cylinder is rotatably connected with the connecting rod, the first end of the swinging arm is rotatably connected with the propelling beam bracket, the second end of the swinging arm is rotatably connected with the connecting rod, the first end of the turnover head is rotatably connected with the propelling beam bracket, the second end of the turnover head is rotatably connected with the connecting rod, and the telescopic oil cylinder is used for driving the connecting rod to drive the swinging arm and the turnover head to rotate through generating telescopic motion.
2. The turnover mechanism of claim 1, wherein the pushing beam bracket is approximately rectangular in shape, and the same side of the pushing beam bracket is provided with an oil cylinder connecting hole, a swing arm connecting hole and a turnover head connecting hole which are sequentially arranged, wherein the oil cylinder connecting hole is aligned and connected with the first end of the telescopic oil cylinder, the swing arm connecting hole is aligned and connected with the first end of the swing arm, and the turnover head connecting hole is aligned and connected with the tail end of the turnover head.
3. The turnover mechanism according to claim 1, wherein the swing arm is shaped as an arc plate, a first swing arm hole and a second swing arm hole are respectively formed at two ends of the swing arm, the first swing arm hole is aligned with the swing arm connecting hole, and the second swing arm hole is rotatably connected with the connecting rod.
4. The turnover mechanism of claim 1, wherein the connecting rod comprises two main body plates and a plurality of intermediate plates, the main body plates are arc-shaped plate bodies, the two main body plates are aligned parallel to each other, and the intermediate plates are connected between the two main body plates and are perpendicular to the two main body plates.
5. The turnover mechanism of claim 4, wherein each main body plate is provided with a first connecting rod hole, a second connecting rod hole and a third connecting rod hole which are sequentially arranged, the first connecting rod hole is aligned and connected with the second end of the telescopic cylinder, the second connecting rod hole is aligned and connected with the second swing arm hole, and the third connecting rod hole is connected with the turnover head.
6. The turnover mechanism of claim 1, wherein the turnover head comprises a turnover body having a substantially cylindrical shape, two first connecting plates parallel to each other are formed on both sides of the turnover body, the first connecting plates have a substantially rounded triangle shape, one corner portion coincides with the turnover body, one corner portion extends away from the axis of the body, and a second connecting plate perpendicular to the first connecting plates is formed at an end of the turnover body.
7. The turnover mechanism of claim 6, wherein the turnover body end is further provided with a first head hole, the second connection plate end is provided with a second head hole, the first head hole is aligned with the turnover head connection hole, and the second head hole is aligned with the third connection rod hole.
8. The tilt mechanism of claim 1, further comprising a first cylinder pin inserted into a cylinder attachment hole to rotatably connect the telescoping cylinder to the thrust beam bracket and a second cylinder pin inserted into a first link hole to rotatably connect the telescoping cylinder to the link.
9. The tilter mechanism of claim 1, further comprising a first swing arm pin inserted into a swing arm connection hole to rotatably connect the swing arm to the feed beam bracket, a second swing arm pin inserted into a second swing arm hole and a second link hole to rotatably connect the swing arm to the link, and a link pin inserted into a second head hole and a third link hole to rotatably connect the link to the tilter head.
10. A down-the-hole drill comprising a feed beam and a tilting mechanism according to any of claims 1-9; the propelling beam is fixed on the propelling beam bracket, the telescopic oil cylinder is used for driving the connecting rod to drive the swing arm and the turnover head to rotate through generating telescopic motion, and the turnover head drives the propelling beam to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222750297.6U CN218912785U (en) | 2022-10-18 | 2022-10-18 | Tilting mechanism and down-the-hole drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222750297.6U CN218912785U (en) | 2022-10-18 | 2022-10-18 | Tilting mechanism and down-the-hole drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218912785U true CN218912785U (en) | 2023-04-25 |
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ID=86048856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222750297.6U Active CN218912785U (en) | 2022-10-18 | 2022-10-18 | Tilting mechanism and down-the-hole drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218912785U (en) |
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2022
- 2022-10-18 CN CN202222750297.6U patent/CN218912785U/en active Active
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