CN214697720U - Drill jumbo working arm and drill jumbo - Google Patents
Drill jumbo working arm and drill jumbo Download PDFInfo
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- CN214697720U CN214697720U CN202120908479.4U CN202120908479U CN214697720U CN 214697720 U CN214697720 U CN 214697720U CN 202120908479 U CN202120908479 U CN 202120908479U CN 214697720 U CN214697720 U CN 214697720U
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Abstract
The utility model discloses a drill jumbo work arm and drill jumbo has solved the complicated, the inflexible problem of operation of drill jumbo work arm structure among the prior art. The utility model discloses drill jumbo work arm, including the big arm of liftable and heterotypic forearm, the big arm of liftable is connected with the platform truck through the swing driving piece, and the one end of heterotypic forearm is connected with the big arm of liftable through first gyration every single move mechanism, the other end is connected with the mounting bracket through second gyration every single move mechanism, is connected with the propulsion beam subassembly that is loaded with the rock drill through translation mechanism on the mounting bracket. The lifting large arm is a telescopic arm driven by a lifting cylinder or a lifting oil cylinder. The utility model has the advantages of cover full sectional gyration locate mode, reduce the control point, reduce the control degree of difficulty, the alignment intuition is strong, shortens the location consuming time, improves work efficiency.
Description
Technical Field
The utility model relates to a drill jumbo technical field especially indicates a drill jumbo working arm and drill jumbo.
Background
The rock drilling jumbo as a device for drilling and blasting construction has wide engineering application conditions and application range, and the structural form of a working arm of the rock drilling jumbo has great influence on the productivity and the service performance of the rock drilling jumbo. The traditional working arm of the drill jumbo has many defects, for example, a drill jumbo polar coordinate mechanical translation drill arm mechanism and a method with the application number of CN201710882865.9, the drill arm of the drill jumbo is controlled to push a drill mechanism to move on a certain plane through a parallel four-bar mechanism, and the drill mechanism is driven to rotate in a cylindrical surface through the rotation of a rotary speed reducer, but the used oil cylinders are more, the operation procedure is more complex, and a larger rock drilling blind area exists. The omnibearing rotary drill boom device with the application number of CN201110207324.9 has the defects of complex and heavy structure and poor positioning intuitiveness. These shortcomings have a great influence on the efficiency of rock drilling operation, and also increase the difficulty in realizing automatic positioning and intelligent control.
SUMMERY OF THE UTILITY MODEL
To not enough among the above-mentioned background art, the utility model provides a drill jumbo work arm and drill jumbo has solved among the prior art problem that drill jumbo work arm structure is complicated, the operation is inflexible.
The technical scheme of the utility model is realized like this: the utility model provides a drill jumbo work arm, includes big arm of liftable and heterotypic forearm, and big arm of liftable is connected with the platform truck through the swing driving piece, and the one end of heterotypic forearm is connected with big arm of liftable through first gyration every single move mechanism, the other end is connected with the mounting bracket through second gyration every single move mechanism, is connected with the propulsion beam subassembly that is loaded with the rock drill through translation mechanism on the mounting bracket. The lifting large arm is a telescopic arm driven by a lifting cylinder or a lifting oil cylinder.
Preferably, the swing driving piece is a large arm swing oil cylinder, one end of the large arm swing oil cylinder is hinged with the liftable large arm, and the other end of the large arm swing oil cylinder is hinged with the trolley.
Further, first gyration every single move mechanism includes forearm every single move hydro-cylinder and articulated seat III, and articulated seat III is connected with the big arm of liftable through rotation drive, and abnormal shape forearm articulates on articulated seat III and is connected with articulated seat III through forearm every single move hydro-cylinder. Preferably, the special-shaped small arm is an L-shaped arm, a first-order pitching oil cylinder is connected to the L-shaped arm, one end of the first-order pitching oil cylinder is hinged to a corner part of the L-shaped arm, and the other end of the first-order pitching oil cylinder is hinged to the second rotary pitching mechanism.
Further, second gyration every single move mechanism is including articulated seat I and articulated seat II, and articulated seat I is through gyration hydro-cylinder and articulated seat II, and the mounting bracket articulates on articulated seat I, and is connected with articulated seat I through second order every single move hydro-cylinder. Preferably, the mounting bracket is hinged with the front end part of the hinged seat I through a pin shaft I, one end of the second-order pitching oil cylinder is hinged with the hinged seat I through a pin shaft II, and the other end of the second-order pitching oil cylinder is hinged with the rear part of the mounting bracket through a pin shaft III.
Furthermore, the translation mechanism is a propulsion oil cylinder arranged along the length direction of the mounting frame, and the telescopic end of the propulsion oil cylinder is hinged with the propulsion beam assembly. The propelling beam assembly is arranged in parallel with the mounting frame and is in sliding connection with the mounting frame.
A drill jumbo comprises above-mentioned drill jumbo work arm.
The utility model discloses the mode that utilizes all round gyration work arm covers the full section in tunnel, and its working trajectory is concentric circles or concentric fan-shaped, when the location, has adjusted the radius of gyration after, only needs the only rotary drive of control can carry out rock drilling work on this work circumference, the control quantity of the hydro-cylinder that has significantly reduced, and the location is clear and definite moreover, easily realizes automatic positioning. The utility model has the advantages of cover full sectional gyration locate mode, reduce the control point, reduce the control degree of difficulty, the alignment intuition is strong, shortens the location consuming time, improves work efficiency, simultaneously, has reduced automatic positioning control's the degree of difficulty, does the foreshadowing for the intelligent upgrading of drill jumbo. The big arm goes up and down and swings, has strengthened the adaptability to different tunnel, does not have the rock drilling blind area, improves rock drilling efficiency.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive work.
Fig. 1 is the utility model discloses drill jumbo work arm structure sketch map.
FIG. 2 is a schematic view of the parallel state of the axis of the propulsion beam assembly and the axis of the slewing cylinder.
Fig. 3 is a schematic view of the propelling beam assembly in parallel with the central line of the roadway.
Fig. 4 is a schematic view of the state from the working arm to the maximum working range.
Fig. 5 is a schematic view of the working range of the working arm.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1, in embodiment 1, a working arm of a rock drilling jumbo comprises a liftable large arm 16 and a special-shaped small arm 10, wherein the liftable large arm 16 is connected with the jumbo through a swing driving member 15 and can swing relative to the jumbo, so that the working range in the width direction is expanded, and the adaptability to roadways of different shapes and sizes is improved. One end of the special-shaped small arm 10 is connected with the lifting large arm 16 through a first rotary pitching mechanism, so that pitching and rotating of the special-shaped small arm relative to the lifting large arm are achieved, the other end of the special-shaped small arm 10 is connected with the mounting frame 3 through a second rotary pitching mechanism, and pitching and rotating of the mounting frame relative to the special-shaped small arm are achieved through the second rotary pitching mechanism. The mounting frame 3 is connected with a propelling beam assembly 1 loaded with a rock drill through a translation mechanism. The pushing beam component drives the rock drilling machine to move back and forth relative to the mounting frame under the action of the translation mechanism, and rock drilling is carried out on the rock body.
The lifting large arm 16 preferably adopts a telescopic arm driven by a lifting air cylinder or a lifting oil cylinder, and the height of the rotation center can be adjusted according to the size of the roadway, so that the rotation center is equal to the center of the section of the roadway in height. The swing driving piece 15 preferably adopts a large arm swing oil cylinder, one end of the large arm swing oil cylinder is hinged with the lifting large arm 16, and the other end of the large arm swing oil cylinder is hinged with the trolley. The big arm swing oil cylinder drives the lifting big arm to swing, and the left-right swing of the lifting big arm is to increase the coverage of the width direction and improve the adaptability to the sections of the roadways in different shapes.
Preferably, the special-shaped small arm 10 is an L-shaped arm, a first-order pitching cylinder 11 is connected to the L-shaped arm, one end of the first-order pitching cylinder 11 is hinged to a corner part of the L-shaped arm, and the other end of the first-order pitching cylinder 11 is hinged to the second rotary pitching mechanism. And the hinge base II is connected with the small arm and the first-order pitching oil cylinder through a pin shaft. The included angle between the hinge base II and the small arm is adjustable through the first-order pitching oil cylinder.
Further, second gyration every single move mechanism is including articulated seat I7 and articulated seat II 9, and articulated seat I7 is through rotary cylinder 8 and articulated seat II 9, and rotary cylinder passes through bolted connection on articulated seat II. Mounting bracket 3 articulates on articulated seat I7, and is connected with articulated seat I7 through second order every single move hydro-cylinder 6. Articulated seat I passes through bolted connection at the rotary cylinder other end, can 360 gyration. The included angle between the propelling beam mounting frame and the hinge base I is adjustable through the second-order pitching oil cylinder. The front end of the working arm is provided with a second-order pitching oil cylinder and a rotary oil cylinder for controlling the swing and the rotation of the push beam, wherein the second-order pitching oil cylinder has two functions, the first-order pitching oil cylinder and the small-arm pitching oil cylinder are matched to form a three-folding-arm structure, the coverage range is further enlarged, and the rotary oil cylinder is matched to realize the all-round coverage of the side wall, the top plate and the bottom plate.
Further, the mounting bracket 3 is hinged with the front end part of the hinged seat I7 through a pin shaft I4, one end of the second-order pitching oil cylinder 6 is hinged with the hinged seat I7 through a pin shaft II 5, and the other end of the second-order pitching oil cylinder is hinged with the rear part of the mounting bracket 3 through a pin shaft III 17. The translation mechanism is a propulsion oil cylinder 2 arranged along the length direction of the mounting frame 3, and the telescopic end of the propulsion oil cylinder 2 is hinged with the propulsion beam assembly 1. The propulsion beam assembly 1 is arranged in parallel with the mounting frame 3 and is connected with the mounting frame 3 in a sliding mode. The other structure is the same as embodiment 1.
Specifically, during rock drilling operation, after the rock drilling jumbo is driven to a preset position (the axis of a vehicle body is aligned with the center line of a roadway), the liftable big arm is adjusted, so that the rotary center of the rotary drive is equal to the center of the section of the roadway in height. And adjusting the second-order pitching oil cylinder and the rotary oil cylinder to enable the axis of the propulsion beam assembly (including the rock drill) to be parallel to the axis of the rotary oil cylinder, and keeping the state as shown in the attached drawing 1. And adjusting the small arm pitching oil cylinder and the first-order pitching oil cylinder to enable the propelling beam assembly (including the rock drill) to move to the center of the section of the roadway and be parallel to the central line of the roadway, wherein the state is shown in the attached figure 2. And adjusting the propulsion oil cylinder to enable the front end of the propulsion beam assembly (including the rock drill) to be tightly attached to the section, and starting rock drilling work. Treat that first hole is beaten the back, propulsion cylinder withdrawal is adjusted rotary drive makes propulsion beam assembly (containing the rock drill) rotatory certain angle arrives the second hole site, carries out the rock drilling work again, and with the same reason, in proper order with the whole backs of beating of the hole of first round, adjust forearm every single move hydro-cylinder and first-order every single move hydro-cylinder change the radius of gyration of propulsion beam assembly (containing the rock drill) arrives the second circle and treats the hole site of beating on, with the same reason, accomplishes the rock drilling work of second circle in proper order. And similarly, the next circle of rock drilling work is carried out until the maximum turning radius is reached by only adjusting the small arm pitching cylinder and the first-order pitching cylinder, and the state is shown in the attached figure 3. The operating range of this phase may be defined as the first phase operating range. If the area of the section of the roadway is larger than the working range of the first stage, the small arm pitching oil cylinder is kept still, and the working turning radius is further increased until the maximum working range is reached by adjusting the second-order pitching oil cylinder and the first-order pitching oil cylinder, as shown in the state of the attached figure 4. The operating range of this phase may be defined as the second phase operating range. The first and second stage operating ranges are shown in figure 5. If the side wall, the top plate or the bottom plate needs to be punched, the two-order pitching oil cylinder and the rotary oil cylinder can be adjusted. The construction process of the concentric circles and the concentric sectors is not the only construction mode of the invention, but is only an example for clearly illustrating the invention, and is not limited to the construction mode of the invention, and other construction processes meeting the requirements can be selected during construction.
Example 3: a rock drilling rig comprising a rock drilling rig working arm as described in embodiment 2. The working process of the drill jumbo is as follows: the drilling jumbo is driven to a preset position to be ready, a working arm big arm is adjusted, the position of a rotation center is adjusted to the center of a roadway section, a small arm pitching oil cylinder and a first-order pitching oil cylinder are adjusted, a drill rod is positioned on a first circle of drilling circumference, a propulsion oil cylinder is adjusted, the end face of a propulsion beam is enabled to press the roadway section, the drilling work is started, after holes are drilled, the propulsion oil cylinder is retracted, the rotation drive is adjusted, the drill rod reaches a second hole position on the circumference to perform the drilling work, after a first circumference vacancy is drilled in sequence, a small arm pitching oil cylinder and a first-order pitching oil cylinder are adjusted, the drill rod reaches a second drilling circumference to perform the drilling work, the drilling work on all circumferences is completed in sequence, if the drilling work is a rectangular roadway, holes can be drilled at four corners in sequence according to a fan shape, if the section size exceeds the stroke of the small arm pitching oil cylinder and the first-order pitching oil cylinder can be adjusted to expand the working range, if a side wall or a top plate needs to be drilled, the working range in the width direction can be expanded by the large arm swing oil cylinder. Above-mentioned work progress adopts to cover full section gyration location mode, reduces the control point, reduces the control degree of difficulty, and the alignment is directly perceived strong, shortens the location consuming time, improves work efficiency, simultaneously, has reduced automatic positioning control's the degree of difficulty, does the foreshadowing for the intelligent upgrading of drill jumbo. The big arm is lifted and swung, so that the adaptability to different roadways is enhanced, and no rock drilling blind area exists.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A drill jumbo work arm which characterized in that: including big arm of liftable (16) and heterotypic forearm (10), big arm of liftable (16) are connected with the platform truck through swing driving piece (15), and the one end of heterotypic forearm (10) is connected with big arm of liftable (16) through first gyration every single move mechanism, the other end is connected with mounting bracket (3) through second gyration every single move mechanism, is connected with propulsion beam subassembly (1) that load the rock drill through translation mechanism on mounting bracket (3).
2. A drill jumbo working arm as claimed in claim 1, wherein: the swing driving piece (15) is a large arm swing oil cylinder, one end of the large arm swing oil cylinder is hinged with the lifting large arm (16), and the other end of the large arm swing oil cylinder is hinged with the trolley.
3. A rock-drilling jumbo work arm according to claim 1 or 2, characterized in that: the first rotary pitching mechanism comprises a small arm pitching oil cylinder (12) and a hinged seat III (13), the hinged seat III (13) is connected with a lifting large arm (16) through a rotary drive (14), and the special-shaped small arm (10) is hinged on the hinged seat III (13) and is connected with the hinged seat III (13) through the small arm pitching oil cylinder (12).
4. A rock jumbo work arm as claimed in claim 3, wherein: the special-shaped small arm (10) is an L-shaped arm, a first-order pitching oil cylinder (11) is connected to the L-shaped arm, one end of the first-order pitching oil cylinder (11) is hinged to the corner portion of the L-shaped arm, and the other end of the first-order pitching oil cylinder is hinged to the second rotary pitching mechanism.
5. A rock drilling rig boom according to claim 1 or 2 or 4 wherein: the second gyration every single move mechanism is including articulated seat I (7) and articulated seat II (9), and articulated seat I (7) are through gyration hydro-cylinder (8) and articulated seat II (9), and mounting bracket (3) articulate on articulated seat I (7), and are connected with articulated seat I (7) through second order every single move hydro-cylinder (6).
6. A rock jumbo work arm as claimed in claim 5, wherein: the mounting bracket (3) is hinged with the front end part of the hinged seat I (7) through a pin shaft I (4), one end of the second-order pitching oil cylinder (6) is hinged with the hinged seat I (7) through a pin shaft II (5), and the other end of the second-order pitching oil cylinder is hinged with the rear part of the mounting bracket (3) through a pin shaft III (17).
7. A rock jumbo work arm as claimed in claim 6, wherein: the translation mechanism is a propulsion oil cylinder (2) arranged along the length direction of the mounting frame (3), and the telescopic end of the propulsion oil cylinder (2) is hinged with the propulsion beam assembly (1).
8. A rock jumbo work arm as claimed in claim 7, wherein: the propelling beam component (1) is arranged in parallel with the mounting frame (3) and is connected with the mounting frame (3) in a sliding mode.
9. A drill jumbo work arm as claimed in any one of claims 1, 2, 6 to 8, wherein: the lifting large arm (16) is a telescopic arm driven by a lifting cylinder or a lifting oil cylinder.
10. A rock drilling rig, characterized in that: comprising a rock drilling rig work arm as claimed in any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120908479.4U CN214697720U (en) | 2021-04-29 | 2021-04-29 | Drill jumbo working arm and drill jumbo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120908479.4U CN214697720U (en) | 2021-04-29 | 2021-04-29 | Drill jumbo working arm and drill jumbo |
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| Publication Number | Publication Date |
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| CN214697720U true CN214697720U (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120908479.4U Active CN214697720U (en) | 2021-04-29 | 2021-04-29 | Drill jumbo working arm and drill jumbo |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753774A (en) * | 2022-04-08 | 2022-07-15 | 中国铁建重工集团股份有限公司 | Drill jumbo and drill boom system |
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2021
- 2021-04-29 CN CN202120908479.4U patent/CN214697720U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753774A (en) * | 2022-04-08 | 2022-07-15 | 中国铁建重工集团股份有限公司 | Drill jumbo and drill boom system |
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