CN113738286A - Rock drilling rig connecting structure and rock drilling rig - Google Patents
Rock drilling rig connecting structure and rock drilling rig Download PDFInfo
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- CN113738286A CN113738286A CN202111170694.XA CN202111170694A CN113738286A CN 113738286 A CN113738286 A CN 113738286A CN 202111170694 A CN202111170694 A CN 202111170694A CN 113738286 A CN113738286 A CN 113738286A
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- 239000011435 rock Substances 0.000 title claims abstract description 59
- 238000005553 drilling Methods 0.000 title claims abstract description 41
- 230000003014 reinforcing effect Effects 0.000 claims description 24
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 abstract description 10
- 238000003466 welding Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 5
- 230000001154 acute effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/04—Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs
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- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a rock drilling vehicle connecting structure and a rock drilling vehicle, wherein the rock drilling vehicle connecting structure comprises a main arm (3), a connecting component (10) and a connecting main body (20), the connecting component (10) is connected with the main arm (3), the connecting main body (20) is connected with the connecting component (10), the connecting main body (20) comprises a connecting main plate (21) and a first side plate (22) and a second side plate (23) which are respectively connected to two sides of the connecting main plate (21), an opening is formed in the position between the first side plate (22) and the second side plate (23) and opposite to the connecting main plate (21), the connecting main body (20) is sleeved on the periphery of the main arm (3) through the opening, and the first side plate (22) and the second side plate (23) are both approximately triangular. The rock drilling rig comprises a rock drilling rig connection structure. The connecting structure has high structural strength and high bending resistance.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a rock drilling rig connecting structure and a rock drilling rig.
Background
The rock drill is a rock drill for drilling and blasting construction in tunnel and underground engineering, and is an important device for tunnel and tunnel excavation in the fields of underground mine, hydropower, railway, highway and the like. The rock drill has the auxiliary operation capability of underground construction, and has great relation with the multi-degree of freedom of the drill bit and the real-time adjustment of the angle of the drilling machine according to the operation environment. The connection structure of the rock drill is used as a main bearing structural part for realizing the functions, and the stability and the reliability of the structure directly determine the safety of the whole rock drill.
In recent years, the drilling depth of a rock drill is increased continuously, but the connecting structure used by the existing rock drill is a single plate structure, so that the bending resistance is weak, instability is easy to occur, and cracks are easy to occur when a welding seam at the root of the single plate bears bending moment. Particularly, when a drill jamming working condition is met in construction operation and a constructor moves an oil cylinder connected with the connecting structure, the connecting structure is subjected to a large bending moment, in the related technology, in order to improve the strength of the connecting structure, the thickness of a single plate is forcibly increased, but the weight of the connecting structure is increased, and the lightweight is not facilitated; when thick plates are adopted for welding, the weldability is reduced, the root part is easy to crack, and the use of the whole vehicle is influenced.
It is noted that the information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
Disclosure of Invention
The embodiment of the invention provides a rock drilling rig connecting structure and a rock drilling rig, which can improve the bending resistance of the connecting structure.
According to an aspect of the present invention, there is provided a rock drill rig connection structure comprising:
a main arm;
the connecting component is connected with the main arm; and
the connecting main body is connected with the connecting assembly, the connecting main body comprises a connecting main board, a first side board and a second side board, the first side board and the second side board are respectively connected to two sides of the connecting main board, an opening is formed in a position, opposite to the connecting main board, between the first side board and the second side board, of the connecting main board, the connecting main body is sleeved on the periphery of the main arm through the opening, and the first side board and the second side board are both approximately triangular.
In some embodiments, the connecting member includes a first connecting plate, the first connecting plate is provided with a through hole, the first connecting plate is sleeved on the outer periphery of the main arm through the through hole, a hole wall of the through hole is connected to the outer surface of the main arm, the first connecting plate is located inside the connecting body, and the side surfaces of the first side plate and the second side plate close to the main arm are respectively connected to both sides of the first connecting plate.
In some embodiments, the connecting assembly further comprises a second connecting plate connected to the first end of the main arm, the first end of the connecting body being connected to a side of the second connecting plate adjacent to the main arm.
In some embodiments, the coupling assembly further comprises a rib plate coupled between the first coupling plate and the second coupling plate, and the rib plate is coupled to the outer surface of the main arm.
In some embodiments, the rock drill rig connection structure further comprises a first lug plate comprising a first connection portion connected with the connection main plate and a second connection portion connected with the second connection plate.
In some embodiments, the connecting body further includes a first reinforcing plate connected to a side of the first side plate away from the connecting main plate and a second reinforcing plate connected to a side of the second side plate away from the connecting main plate, the first reinforcing plate extends from the first side plate in a direction perpendicular to the first side plate toward the direction away from the second side plate, and the second reinforcing plate extends from the second side plate in a direction perpendicular to the second side plate toward the direction away from the first side plate.
In some embodiments, the first side plate and the second side plate are respectively provided with lightening holes.
In some embodiments, the rock drill connecting structure further includes a third connecting plate connected to the second end of the connecting body, and a second lug plate connected to the outer surface of the connecting main plate and the third connecting plate.
In some embodiments, the main arm comprises a box-type arm body.
According to another aspect of the invention, there is provided a rock drilling rig comprising a rock drilling rig attachment structure as described above.
Based on the technical scheme, the connecting main body in the embodiment of the invention comprises a connecting main plate, a first side plate and a second side plate, an opening is formed in a position between the first side plate and the second side plate, which is opposite to the connecting main plate, the connecting main body can be sleeved on the periphery of the main arm through the opening, the first side plate and the second side plate are positioned on the outer side of the main arm after being sleeved, the main arm can be effectively protected, and the first side plate and the second side plate are both approximately triangular, so that the structural strength of the connecting structure and the main arm can be obviously improved, and the bending resistance can be improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
figure 1 is a schematic structural view of one embodiment of the rock drilling rig according to the invention.
Fig. 2 is a schematic structural view of one embodiment of the rock drilling rig attachment structure of the present invention.
Figure 3 is a front view of one embodiment of the rock drilling rig attachment structure of the present invention.
Figure 4 is a top view of one embodiment of the rock drilling rig attachment structure of the present invention.
Figure 5 is a left side view of one embodiment of the rock drilling rig attachment structure of the present invention.
Fig. 6 is an exploded view of one embodiment of the rock drilling rig attachment structure of the present invention.
Fig. 7 is a schematic view of a connection assembly in an embodiment of the connection structure of the rock drilling rig according to the invention.
In the figure:
1. a propulsion device; 2. a connecting structure; 3. a main arm;
10. a connecting assembly; 11. a first connecting plate; 111. a through hole; 12. a second connecting plate; 13. a rib plate; 20. a connecting body; 21. connecting the main board; 22. a first side plate; 221. lightening holes; 23. a second side plate; 24. a first reinforcing plate; 25. a second reinforcing plate; 30. a first ear plate; 31. a first connection hole; 40. a third connecting plate; 50. a second ear panel; 51. and a second connection hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the scope of the invention.
Referring to fig. 1 to 7, in some embodiments of the rock drilling rig connecting structure provided by the present invention, the connecting structure includes a main arm 3, a connecting assembly 10 and a connecting body 20, the connecting assembly 10 is connected to the main arm 3, the connecting body 20 is connected to the connecting assembly 10, the connecting body 20 includes a connecting main plate 21 and a first side plate 22 and a second side plate 23 respectively connected to two sides of the connecting main plate 21, an opening is formed between the first side plate 22 and the second side plate 23 at a position opposite to the connecting main plate 21, the connecting body 20 is sleeved on the periphery of the main arm 3 through the opening, and both the first side plate 22 and the second side plate 23 are substantially triangular.
In the embodiment of the present invention, the connecting body 20 includes a connecting main plate 21, a first side plate 22 and a second side plate 23, and an opening is provided between the first side plate 22 and the second side plate 23 at a position opposite to the connecting main plate 21, through which the connecting body 20 can be sleeved on the periphery of the main arm 3, and after the sleeving, the first side plate 22 and the second side plate 23 are located outside the main arm 3, so as to effectively protect the main arm 3, and the first side plate 22 and the second side plate 23 are both substantially triangular, so that the structural strength of the connecting structure and the main arm can be significantly improved, and the bending resistance can be improved.
In addition, the first side plate 22 and the second side plate 23 are both arranged to be of a structure which is approximately triangular, so that the overall weight of the connecting main body 20 is reduced while the structural strength is guaranteed, and the lightweight design requirement is met.
In some embodiments, the first side panel 22 includes a first side, a second side, and a third side, the first side, the second side, and the third side being connected in a triangle, the first side being connected to the connecting main panel 21, the second side being connected to the first side, and the third side being connected between the first side and the second side. The second side edge is perpendicular to the first side edge, an included angle between the third side edge and the first side edge is a first acute angle, and an included angle between the third side edge and the second side edge is a second acute angle. The first acute angle is less than the second acute angle.
In some embodiments, the third side comprises a first connecting segment connected to the first side and a second connecting segment connected to the second side, the second connecting segment being parallel to the first side, the second connecting segment having a length less than the length of the first connecting segment.
In other embodiments, the first side panel 22 further comprises a fourth side connected between the first side and the third side, the fourth side being perpendicular to the first side, and the length of the fourth side being less than the length of the second side. The fourth side edge is arranged to make the whole first side plate 22 be in a right trapezoid shape, but the length of the fourth side edge is smaller than that of the second side edge, so the whole first side plate 22 is still in a triangle shape.
In some embodiments, the length of the side of the first side plate 22 close to the connecting assembly 10 is greater than the length of the side of the first side plate 22 far from the connecting assembly 10, i.e., the length of the second side is greater than the length of the fourth side. The arrangement can increase the length of the side of the first side plate 22 close to the connecting assembly 10, so as to improve the connecting strength of the connecting assembly 10 and the connecting main body 20; the length of the side of the first side plate 22 away from the connecting assembly 10 can be reduced, so as to reduce the overall structural weight of the connecting body 20, which is beneficial to realizing light-weight design.
The second side panel 23 may be of the same or different construction as the first side panel 22 and will not be described in detail herein.
In some embodiments, the cross-sectional shape of the main arm 3 is a square shape, and the connecting body 20 is provided in a U-shaped configuration matching the outer contour shape of the main arm 3.
In some embodiments, the connecting assembly 10 includes a first connecting plate 11, the first connecting plate 11 is provided with a through hole 111, the first connecting plate 11 is sleeved on the periphery of the main arm 3 through the through hole 111, the hole wall of the through hole 111 is connected with the outer surface of the main arm 3, the first connecting plate 11 is located inside the connecting body 20, and the side surfaces of the first side plate 22 and the second side plate 23 close to the main arm 3 are respectively connected with two sides of the first connecting plate 11.
By providing the first connecting plate 11 and providing the through hole 111 on the first connecting plate 11, the first connecting plate 11 can be connected to the position of the main arm 3 away from the end thereof through the through hole 111, so as to be connected to the first side plate 22 and the second side plate 23 at the position of the main arm 3 away from the end thereof, which is advantageous to enhance the connection stability and reliability of the main arm 3 and the connecting body 20.
In some embodiments, connecting assembly 10 further comprises a second connecting plate 12, second connecting plate 12 being connected to the first end of main arm 3, the first end of connecting body 20 being connected to the side of second connecting plate 12 close to main arm 3.
By providing the second connecting plate 12, the connection stability of the connecting member 10 and the connecting body 20 can be further improved.
In some embodiments, the connecting assembly 10 further comprises a rib 13, the rib 13 is connected between the first connecting plate 11 and the second connecting plate 12, and the rib 13 is connected to the outer surface of the main arm 3.
Through setting up gusset 13, can improve the connection stability of first connecting plate 11 and second connecting plate 12, and then improve coupling assembling 10's overall stability to and coupling assembling 10 and connecting main body 20's connection stability.
The number of rib plates 13 can be flexibly set according to the requirement, for example, two, three or more rib plates 13 can be set. In the embodiment shown in fig. 7, two webs 13 are provided between the first connecting plate 11 and the second connecting plate 12.
In some embodiments, the connecting structure further comprises a first ear plate 30, and the first ear plate 30 comprises a first connecting portion connected with the connecting main plate 21 and a second connecting portion connected with the second connecting plate 12.
By providing the first lug 30, the connection structure can be connected to components such as a cylinder. The first ear plate 30 is provided with a first connection hole 31, and the first ear plate 30 and the oil cylinder can be connected through the first connection hole 31.
As shown in fig. 6, the first ear plate 30 has a sickle-shaped structure, and the first ear plate 30 includes both the first connecting portion connected to the connecting main plate 21 and the second connecting portion connected to the second connecting plate 12, so that the connection stability between the first ear plate 30 and the connecting body 20 and the connecting assembly 10 can be improved.
The number of the first ear plates 30 can be flexibly set according to the requirement, for example, two, three or more first ear plates 30 can be provided. In the embodiment shown in fig. 6, two first ear plates 30 are provided on the connecting structure, each first ear plate 30 being provided with a first connecting hole 31.
In some embodiments, the connecting body 20 further includes a first reinforcing plate 24 connected to a side of the first side plate 22 away from the connecting main plate 21, and a second reinforcing plate 25 connected to a side of the second side plate 23 away from the connecting main plate 21, wherein the first reinforcing plate 24 extends from the first side plate 22 in a direction perpendicular to the first side plate 22 toward a direction away from the second side plate 23, and the second reinforcing plate 25 extends from the second side plate 23 in a direction perpendicular to the second side plate 23 toward a direction away from the first side plate 22.
By providing the first reinforcing plate 24 and the second reinforcing plate 25, the lateral rigidity of the connecting main body 20 can be effectively enhanced, and the capability of the connecting main body 20 against lateral bending moment can be improved.
The two ends of the first reinforcing plate 24 and the second reinforcing plate 25 can also be connected with the second connecting plate 12 and the third connecting plate 40 respectively to improve the structural stability of the whole connecting structure.
In some embodiments, the shape of the first reinforcing panel 24 is the same as the shape of the third side of the first side panel 22, e.g., the first reinforcing panel 24 includes a first portion parallel to the first side of the first side panel 22 and a second portion oblique to the first side. The shape of the second reinforcing plate 25 is the same as the shape of the side edge of the second side plate 23, and is not described in detail herein.
In some embodiments, the first side plate 22 and the second side plate 23 are provided with lightening holes 221, respectively. By arranging the lightening holes, the weight of the first side plate 22 and the second side plate 23 can be reduced, so that the overall weight of the connecting body 20 is reduced, and the lightweight design requirement is met.
In some embodiments, the connecting structure further includes a third connecting plate 40 and a second ear plate 50, the third connecting plate 40 being connected to the second end of the connecting body 20, the second ear plate 50 being connected to the outer surface of the connecting main plate 21 and the third connecting plate 40.
By providing the third connecting plate 40 and the second lug plate 50, the connecting structure can be connected to a cylinder or the like. The second lug plate 50 is provided with a second connecting hole 51, and the second lug plate 50 and the oil cylinder and other parts are connected through the second connecting hole 51.
The number of the second ear plates 50 can be flexibly set according to the number of components to be connected. For example, in the embodiment shown in fig. 2, the number of the second ear plates 50 is 4, which can be used to connect two cylinders.
The third connecting plate 40 includes a U-shaped connecting portion, which is installed at one end of the connecting body 20 away from the connecting assembly 10 and can be connected from the top surface and both sides, respectively, to improve the reliability of connection.
In some embodiments, main arm 3 comprises a box-type arm body. The interior of the box-type arm body is hollow, so that the weight of the main arm 3 can be reduced, and the lightweight design is facilitated.
Based on the rock drilling vehicle connecting structure, the invention further provides a rock drilling vehicle which comprises the rock drilling vehicle connecting structure.
The positive technical effects of the connection structure of the rock drilling rig in the above embodiments are also applicable to rock drilling rigs, and are not described in detail here.
The rock drilling vehicle connecting structure provided by the invention can be suitable for a rock drilling vehicle and can also be suitable for other engineering machinery needing to connect two or more components.
The following describes an embodiment of a rock drill rig attachment structure and a rock drill rig according to the invention with reference to the accompanying drawings 1 to 7:
as shown in fig. 1, the rock drilling rig comprises a propulsion device 1, a connecting structure 2 and a main arm 3, the connecting structure 2 being connected between the propulsion device 1 and the main arm 3.
As shown in fig. 2 to 5, the connecting structure 2 has a symmetrical structure as a whole, and the connecting structure 2 includes a connecting assembly 10, a connecting body 20, a first ear plate 30, a third connecting plate 40 and a second ear plate 50. The main arm 3 is sleeved with the connecting body 20, and the connecting body 20 is connected with the main arm 3 through the connecting component 10. The first lug plate 30 is connected to the connecting body 20 and the connecting assembly 10 at the same time, the third connecting plate 40 is connected to the end of the connecting body 20 far from the connecting assembly 10, and the second lug plate 50 is connected to the third connecting plate 40 and the connecting body 20.
The rock drilling rig may further include two oil cylinders, the number of the first lug plates 30 is two, the number of the second lug plates 50 is four, and two oil cylinders are connected between the first lug plates 30 and the second lug plates 50, respectively, and the main arm 3 may swing in the up-down and left-right directions with respect to the propulsion device 1 by the two oil cylinders.
As shown in fig. 6 and 7, the connecting assembly 10 includes a first connecting plate 11, a second connecting plate 12 and two rib plates 13, the first connecting plate 11 is provided with a through hole 111, the first connecting plate 11 is sleeved to the main arm 3 at a position far from the first end portion thereof through the through hole 111, and the first connecting plate 11 is connected to the outer surface of the main arm 3 by welding through the side wall of the through hole 111. The second connecting plate 12 is of solid construction, the second connecting plate 12 being welded to the first end of the main arm 3. Two rib plates 13 are welded between the first connecting plate 11 and the second connecting plate 12, and both rib plates 13 are welded to the outer surface of the main arm 3.
Connecting body 20 includes connecting mainboard 21, first curb plate 22, second curb plate 23, first reinforcing plate 24 and second reinforcing plate 25, connects into U type structure connecting mainboard 21, first curb plate 22 and second curb plate 23, and connecting body 20 suit is on main arm 3, and the inboard of first curb plate 22 and the inboard of second curb plate 23 are connected with the both sides welding of first connecting plate 11 respectively, and the tip of first curb plate 22 and the tip of second curb plate 23 and the side welding connection that is close to main arm 3 of second connecting plate 12.
The surface area of the second web 12 is substantially equal to the opening of the connecting body 20 so that the opening of the connecting body 20 is closed by the second web 12. The surface area of the first connecting plate 11 is smaller than the opening area of the connecting body 20, so that the first connecting plate 11 can be positioned inside the connecting body 20, and the connecting body 20 can be sleeved conveniently.
First and second reinforcing plates 24 and 25 are connected to the bottoms of the first and second side plates 22 and 23, respectively, and extend outward.
The first side plate 22 and the second side plate 23 are generally triangular in shape. Somewhat more strictly speaking, the first side plate 22 and the second side plate 23 are in the shape of right trapezoids. More precisely, the first side plate 22 and the second side plate 23 are pentagonal, and the hypotenuse of the right trapezoid comprises two oppositely bent sections.
The two first ear plates 30 are in the shape of a sickle and are connected between the connecting main plate 21 and the second connecting plate 12. The third connecting plate 40 is connected to an end of the connecting body 20 remote from the connecting assembly 10, and four second lug plates 50 are connected between the third connecting plate 40 and the connecting main plate 21.
The length of the side of the connecting body 20 connected to the connecting assembly 10 is greater than the length of the side of the connecting body 20 connected to the third connecting plate 40.
The connecting main body 20 is integrally in a triangular structure, bears the bending stability of the front triangular structure, and the first side plate 22 and the second side plate 23 are provided with lightening holes 221, so that the weight of the connecting structure is reduced, and the performance of the main arm is improved. The main arm 3 and the connecting component 10 form a box-type structure, so that the rigidity of a local structure can be improved, the strength of a welding seam between the box-type arm and the connecting component is improved, and the fatigue reliability is improved. The first ear plate 30 is arranged in a sickle shape, so that the connection rigidity of the connecting main body 20 and the connecting assembly 10 can be improved, the strength of a welding seam for connection is improved, and the fatigue reliability is improved.
Besides being connected into a whole in a welding mode, the connecting structure can also be connected into a whole in a casting mode.
The outer side of the main arm of the rock drill connecting structure adopts a stable triangular structure, so that the stability of the rock drill connecting structure is improved, and the inner side of the rock drill connecting structure adopts a box-type structure, so that the rigidity of the rock drill connecting structure is improved, and the fatigue reliability is improved. The connecting structure has higher rigidity and strength, is favorable for improving the buckling stability of the front triangular structure, and avoids the instability problem caused by the misoperation of drill jamming; the structure is beneficial to improving the welding seam strength of the front triangular structure and improving the fatigue reliability of the front triangular structure; the bending resistance of the structure is guaranteed, the structure is light, and the problem that the strength of the structure of the connecting structure in the related technology is increased and the structure is light is conflicting is solved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made without departing from the principles of the invention, and these modifications and equivalents are intended to be included within the scope of the claims.
Claims (10)
1. A rock drill connecting structure, characterized by comprising:
a main arm (3);
a connecting assembly (10) connected to the main arm (3); and
connecting element (20), with coupling assembling (10) is connected, connecting element (20) including connect mainboard (21) and connect respectively in first curb plate (22) and second curb plate (23) of connecting mainboard (21) both sides, first curb plate (22) with between second curb plate (23) with the position that connects mainboard (21) is relative has the opening, connecting element (20) pass through the opening cover is located the periphery of main arm (3), first curb plate (22) with second curb plate (23) all are roughly triangle-shaped shape.
2. A rock drilling rig connection structure as claimed in claim 1, characterized in that the connection assembly (10) comprises a first connection plate (11), the first connection plate (11) is provided with a through hole (111), the first connection plate (11) is sleeved on the periphery of the main arm (3) through the through hole (111), the hole wall of the through hole (111) is connected with the outer surface of the main arm (3), the first connection plate (11) is located inside the connection body (20), and the sides of the first side plate (22) and the second side plate (23) close to the main arm (3) are respectively connected with two sides of the first connection plate (11).
3. A rock drilling rig attachment structure as claimed in claim 2, characterized in that the connecting assembly (10) further comprises a second connecting plate (12), the second connecting plate (12) being connected to the first end of the main arm (3), the first end of the connecting body (20) being connected to the side of the second connecting plate (12) adjacent to the main arm (3).
4. A rock drilling rig connection structure according to claim 3, characterized in that the connection assembly (10) further comprises a rib plate (13), the rib plate (13) being connected between the first connection plate (11) and the second connection plate (12), and the rib plate (13) being connected to the outer surface of the main arm (3).
5. A rock drilling rig connection structure as claimed in claim 3, further comprising a first lug plate (30), the first lug plate (30) including a first connection portion connected with the connection main plate (21) and a second connection portion connected with the second connection plate (12).
6. A rock drill connecting structure according to claim 1, characterized in that the connecting body (20) further includes a first reinforcing plate (24) connected to a side of the first side plate (22) remote from the connecting main plate (21) and a second reinforcing plate (25) connected to a side of the second side plate (23) remote from the connecting main plate (21), the first reinforcing plate (24) extending from the first side plate (22) in a direction perpendicular to the first side plate (22) in a direction remote from the second side plate (23), the second reinforcing plate (25) extending from the second side plate (23) in a direction perpendicular to the second side plate (23) in a direction remote from the first side plate (22).
7. Rock drilling rig connection structure according to claim 1, characterized in that the first side plate (22) and the second side plate (23) are provided with lightening holes (221), respectively.
8. A rock drill connecting structure as claimed in claim 1, further comprising a third connecting plate (40) and a second lug plate (50), the third connecting plate (40) being connected to the second end of the connecting body (20), the second lug plate (50) being connected to the outer surface of the connecting main plate (21) and the third connecting plate (40).
9. A rock drilling rig attachment structure as claimed in claim 1, characterized in that the main arm (3) comprises a box-type arm.
10. A rock drill rig comprising a rock drill rig connection as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111170694.XA CN113738286A (en) | 2021-10-08 | 2021-10-08 | Rock drilling rig connecting structure and rock drilling rig |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111170694.XA CN113738286A (en) | 2021-10-08 | 2021-10-08 | Rock drilling rig connecting structure and rock drilling rig |
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| CN113738286A true CN113738286A (en) | 2021-12-03 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20130071216A1 (en) * | 2011-09-20 | 2013-03-21 | Steven J. Ditzler | Exoskeleton Boom Structure |
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Application publication date: 20211203 |