CN113090609A - Airborne jumbolter - Google Patents
Airborne jumbolter Download PDFInfo
- Publication number
- CN113090609A CN113090609A CN202110400135.7A CN202110400135A CN113090609A CN 113090609 A CN113090609 A CN 113090609A CN 202110400135 A CN202110400135 A CN 202110400135A CN 113090609 A CN113090609 A CN 113090609A
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- Prior art keywords
- oil
- oil cylinder
- feeding
- cylinder
- primary
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/16—Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1471—Guiding means other than in the end cap
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/202—Externally-operated valves mounted in or on the actuator
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses an airborne jumbolter, which comprises a feeding mechanism, a rotating mechanism, a rack and a hydraulic control two-way balance valve group, wherein the feeding mechanism is arranged on the rack; the feeding mechanism comprises a primary feeding oil cylinder and a secondary feeding oil cylinder, a piston rod of the primary feeding oil cylinder is connected with a hydraulic control two-way balance valve group, a piston cavity of the primary feeding oil cylinder is connected with a piston cavity of the secondary feeding oil cylinder, a piston rod cavity of the primary feeding oil cylinder is connected with a piston rod cavity of the secondary feeding oil cylinder, and the rotating mechanism is driven by the secondary feeding oil cylinder. In the airborne jumbolter provided by the invention, the primary feeding mechanism and the secondary feeding mechanism are integrated into a whole, and the feeding mechanisms are connected in parallel inside the hydraulic circuit, so that a hydraulic circuit is saved, and the problems of hydraulic oil leakage, insufficient thrust of an oil cylinder and high processing difficulty are effectively solved.
Description
Technical Field
The invention relates to the technical field of coal mine roadway tunneling, in particular to an airborne jumbolter.
Background
The tunneling and anchoring integrated machine is main equipment for intelligent tunneling of a coal mine and is key equipment for improving the tunneling efficiency of a roadway.
The machine-mounted anchor rod drilling machine is a special drilling tool for anchor rods and anchor cables in anchor rod support of a driving and anchoring integrated unit, can also be used for the functions of installation of a drug roll type anchoring agent, screwing of nuts and the like, and the reliability and stability of the quality of the machine-mounted anchor rod drilling machine are key factors of anchor rod support of a coal mine tunnel.
The existing airborne jumbolter usually adopts a dovetail groove or a chute structure as a guide mechanism of a feeding mechanism, so that the processing difficulty is high, and a rail abrasion block is inconvenient to replace; and meanwhile, a copper guide rail is mostly adopted as a sliding part, so that the wear is easy. In addition, a small part of the airborne jumbolter uses a feeding mechanism with a cylindrical guide rail, but a hydraulic pipeline of a feeding oil cylinder is arranged externally, an oil duct adopts a frame, a plurality of hydraulic blocks and other external parallel connection modes, and the hydraulic pipelines of all the feeding mechanisms are arranged externally in the operation process of the jumbolter, so that the feeding mechanisms are easy to collide, crush and break by coal dropping or other equipment, and the problems of oil leakage and the like are caused.
In summary, how to avoid the problems of oil leakage and high processing difficulty is a problem to be solved urgently by those skilled in the art at present.
Disclosure of Invention
In view of this, an object of the present invention is to provide an airborne roof bolter which has high reliability, low possibility of oil leakage, and low processing difficulty.
In order to achieve the above purpose, the invention provides the following technical scheme:
an airborne jumbolter comprises a feeding mechanism, a rotating mechanism, a frame and a hydraulic control two-way balance valve group;
the feeding mechanism comprises a primary feeding oil cylinder and a secondary feeding oil cylinder, a piston rod of the primary feeding oil cylinder is connected with the hydraulic control two-way balance valve group, a piston cavity of the primary feeding oil cylinder is connected with a piston cavity of the secondary feeding oil cylinder, a piston rod cavity of the primary feeding oil cylinder is connected with a piston rod cavity of the secondary feeding oil cylinder, and the rotating mechanism is driven by the secondary feeding oil cylinder.
Preferably, the primary feeding oil cylinder is connected with the first oil circuit board, and a piston cavity and a piston rod cavity of the primary feeding oil cylinder are both communicated with an oil channel in the first oil circuit board;
the first oil circuit board is connected with the second oil circuit board through a guide pillar, an oil passage in the first oil circuit board is communicated with an oil passage of the second oil circuit board through an oil passage of the guide pillar, and the oil passage of the second oil circuit board is communicated with a piston cavity and a piston rod cavity of the secondary feeding oil cylinder.
Preferably, the first oil circuit board and the second oil circuit board are connected through at least two guide posts, and the guide posts are symmetrically arranged relative to the primary feeding oil cylinder.
Preferably, the primary feeding oil cylinder is connected with the first oil circuit board, the first oil circuit board is connected with the guide pillar, and the guide pillar is connected with the second oil circuit board through bolts.
Preferably, the length of the primary feed cylinder is greater than that of the secondary feed cylinder.
Preferably, the machine frame comprises a guide sleeve, and the guide pillar is movably arranged in the guide sleeve to form a guiding function.
Preferably, the frame is connected to a roof support device, the roof support device including:
a top plate;
the top plate oil cylinder is connected with the top plate and the rack, and the guide column of the top plate oil cylinder is sleeved in the guide sleeve of the rack.
Preferably, one end of the secondary feeding oil cylinder is connected with the dragging seat through a chain, and the rotating mechanism is arranged on the dragging seat.
Preferably, the rotating mechanism is connected with a hydraulic motor for providing rotating power.
In the airborne jumbolter provided by the invention, the primary feeding mechanism and the secondary feeding mechanism are integrated into a whole, and the feeding mechanisms are connected in parallel in the hydraulic circuit, so that a set of hydraulic system is saved, and the problems of hydraulic oil leakage, insufficient thrust of an oil cylinder and high processing difficulty are effectively solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural view of an airborne roofbolter provided in accordance with the present invention;
FIG. 2 is an elevational view of an onboard roofbolter provided in accordance with the present invention;
FIG. 3 is a schematic view of the feed mechanism of the on-board roofbolter provided by the present invention;
fig. 4 is a schematic diagram of an internal oil passage parallel hydraulic oil circuit of the airborne jumbolter provided by the invention.
The device comprises a top plate supporting device 1, a primary feeding mechanism 2, a secondary feeding mechanism 3, a rotating mechanism 4, a rack 5 and a hydraulic control bidirectional balancing valve group 6, wherein the top plate supporting device is arranged on the top plate supporting device;
a first oil circuit board 7, a guide post 8, a secondary feeding oil cylinder 9, a second oil circuit board 10 and a primary feeding oil cylinder 11.
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 of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the invention is to provide the airborne anchor rod drilling machine which has high reliability, low possibility of oil leakage and lower processing difficulty.
Referring to fig. 1 to 4, fig. 1 is a schematic structural view of an airborne jumbolter according to the present invention; FIG. 2 is an elevational view of an onboard roofbolter provided in accordance with the present invention; FIG. 3 is a schematic view of the feed mechanism of the on-board roofbolter provided by the present invention; fig. 4 is a schematic diagram of an internal oil passage parallel hydraulic oil circuit of the airborne jumbolter provided by the invention.
The application provides a machine carries roofbolter, including feed mechanism, rotary mechanism 4, frame 5 and two-way balanced valves of liquid accuse 6.
Specifically, the feeding mechanism comprises a primary feeding oil cylinder 11 and a secondary feeding oil cylinder 9, a piston rod of the primary feeding oil cylinder 11 is connected with a hydraulic control two-way balance valve group 6, a piston cavity of the primary feeding oil cylinder 11 is connected with a piston cavity of the secondary feeding oil cylinder 9, a piston rod cavity of the primary feeding oil cylinder 11 is connected with a piston rod cavity of the secondary feeding oil cylinder 9, and the rotating mechanism 4 is arranged on the secondary feeding oil cylinder 9.
It should be noted that the frame 5 is a supporting structure, the feeding mechanism is arranged on the frame 5, and the telescopic cylinder drives the rotating mechanism 4 to move forward or backward.
In this application, one-level feed cylinder 11 and second grade feed cylinder 9 are parallelly connected the setting, and in the hydraulic cylinder field, parallelly connected specifically do: the piston cavity of the primary feeding oil cylinder 11 is connected with the piston cavity of the secondary feeding oil cylinder 9, and the piston rod cavity of the primary feeding oil cylinder 11 is connected with the piston rod cavity of the secondary feeding oil cylinder 9.
Because the primary feeding oil cylinder 11 is directly connected with the hydraulic control two-way balance valve group 6, and the secondary feeding oil cylinder 9 is indirectly connected with the hydraulic control two-way balance valve group 6 through the primary feeding oil cylinder 11, the oil firstly passes through the primary feeding oil cylinder 11 and then reaches the secondary feeding oil cylinder 9, therefore, the oil passage through which the oil reaching the secondary feeding oil cylinder 9 passes is long, complex, and has larger local loss and along-way loss, and under the condition of the same load, according to the pressure loss and back pressure principle, the local loss and along-way local loss of the primary feeding oil cylinder 11 are small, and the primary feeding oil cylinder 11 is easier to preferentially move, so that the primary feeding oil cylinder 11 preferentially extends and retracts relative to the secondary feeding oil cylinder 9, the primary feeding mechanism 2 is firstly actuated to perform primary feeding motion, and the secondary feeding mechanism 3 is.
The application provides a one-level feed mechanism and second grade feed mechanism integration hydraulic circuit inside parallelly connected feed mechanism as an organic whole, have saved a hydraulic circuit, effectual hydraulic oil leakage of having solved, hydro-cylinder thrust is not enough, the big problem of the processing degree of difficulty.
On the basis of the above embodiment, the primary feed cylinder 11 is connected to the first oil circuit board 7, and both the piston cavity and the piston rod cavity of the primary feed cylinder 11 are communicated with the oil channel inside the first oil circuit board 7;
the first oil circuit board 7 is connected with the second oil circuit board 10 through a guide pillar 8, an oil passage in the first oil circuit board 7 is communicated with an oil passage of the second oil circuit board 10 through an oil passage of the guide pillar 8, and the oil passage of the second oil circuit board 10 is communicated with a piston cavity and a piston rod cavity of the secondary feeding oil cylinder 9.
It should be noted that the primary feeding cylinder 11 is connected to the first oil circuit board 7 and the internal oil circuits of the two are communicated, and the secondary feeding cylinder 9 is connected to the second oil circuit board 10 and the internal oil circuits of the two are communicated; the first oil passage plate 7 and the second oil passage plate 10 are connected by a guide post 8, and the oil passages inside the three are communicated.
Specifically, the hydraulic control two-way balance valve group 6 is installed on a piston rod of the primary feeding oil cylinder 11, a liquid inlet oil duct and a liquid return oil duct are processed inside the piston rod of the primary feeding oil cylinder 11, and the feeding oil cylinder is controlled to drive the primary feeding mechanism 2 to perform feeding movement. Wherein, the hydraulic control two-way balance valve group 6 can be used for controlling the stability of the feeding oil cylinder.
A hydraulic oil duct is processed inside the first oil circuit board 7, and the first oil circuit board 7 is connected with the first-stage feeding oil cylinder 11 through bolts; the internal oil duct is connected with the piston cavity and the piston rod cavity of the primary feed oil cylinder 11.
A hydraulic oil channel is processed inside the guide post 8 and is fixed with the first oil circuit board 7 and the second oil circuit board 10 through bolts; further, the internal oil passage of the guide post 8 is connected with the internal oil passages of the first oil passage plate 7 and the second oil passage plate 10. Optionally, the guide pillar 8 is cylindrical, and a smooth guiding effect is achieved through the cylinder.
A hydraulic oil duct is processed inside the second oil circuit board 10 and is connected with the secondary feeding oil cylinder 9 through bolts; the internal oil passage is connected with the piston cavity and the piston rod cavity of the secondary feeding oil cylinder 9.
And a piston rod of the secondary feeding oil cylinder 9 is internally provided with a hydraulic oil inlet channel and a hydraulic oil return channel, and the secondary feeding mechanism 3 is driven to perform feeding movement by the extension and contraction of the oil cylinder.
It should be noted that, the communication of the oil passages needs to ensure the unification of the oil inlet direction and the oil outlet direction.
Optionally, the first oil circuit board 7 is connected to the second oil circuit board 10 through at least two guide pillars 8, and the guide pillars 8 are symmetrically arranged with respect to the primary feed cylinder 11.
Referring to fig. 3, in a specific embodiment, 4 guide pillars 8 are provided, the 4 guide pillars 8 are symmetrically arranged with respect to the primary feed cylinder 11, the guide pillars 8 are used as a connecting structure for connecting the first oil passage plate 7 and the second oil passage plate 10, and are used as a conducting structure for an oil passage between the first oil passage plate 7 and the second oil passage plate, and are symmetrically arranged with respect to the primary feed cylinder 11, which can help to stabilize the connection between the first oil passage plate 7 and the second oil passage plate 10 and ensure the stability of the position between the primary feed cylinder 11 and the two oil passage plates.
In a preferred embodiment, the frame 5 comprises a guide sleeve in which the guide post 8 is movably arranged to provide a guiding function.
The frame 5 is provided with 1 at least group guide pin bushing, and guide pillar 8 cup joints in the guide pin bushing to can move in the guide pin bushing, and guide pillar 8 keeps the level throughout or keeps axial direction unchangeable in the removal process, and the guide pin bushing can play the effect of stabilizing guide pillar 8, thereby further stablizes the effect of one-level feed cylinder 11 and two oil circuit boards.
Alternatively, the guide post 8 may be a cylindrical guide post.
The guide pillar 8 and the matched guide sleeve are used, so that the problems that the dovetail groove type track is seriously abraded, inconvenient to maintain and the like are effectively solved.
In any of the above embodiments, the primary feed cylinder 11 and the first oil passage plate 7, the first oil passage plate 7 and the guide post 8, and the guide post 8 and the second oil passage plate 10 are all connected by bolts.
Since the whole formed by the primary feed cylinder 11, the first oil passage plate 7, the guide post 8, the second oil passage plate 10 and the second feed cylinder 9 is an oil passage communicating structure, the tightness is very important, and the connection stability can be maintained by realizing the screwing connection at the end part through the bolt.
Optionally, the length of the primary feed cylinder 11 is greater than the length of the secondary feed cylinder 9.
In one specific embodiment provided herein, the frame 5 is connected to the roof support apparatus 1, and the roof support apparatus 1 includes:
a top plate;
the top plate oil cylinder is connected with the top plate and the rack 5, and the guide column of the top plate oil cylinder is sleeved in the guide sleeve of the rack 5.
The roof can be used for operations such as strut, and the roof hydro-cylinder is another hydro-cylinder of machine-carried roofbolter for through the removal of flexible drive roof, the roof can be close to or keep away from frame 5 and remove.
The top plate holding device 1 may further comprise a connection plate for connecting the guide bush with the frame 5.
The rack 5 is provided with a plurality of guide sleeves, one of the guide sleeves is used for arranging a top plate oil cylinder guide post sleeve, and the top plate oil cylinder guide post sleeve is arranged in the guide sleeve of the rack 5 and can move along the axis of the guide sleeve so as to facilitate the stable movement of the top plate oil cylinder.
The frame 5 further comprises a steel plate welded with the guide sleeve and used as a bottom support, and the specific support structure comprises other components of the drilling machine.
On the basis of any one of the above embodiments, one end of the secondary feeding oil cylinder 9 is connected with the dragging seat, and the rotating mechanism 4 is arranged on the dragging seat.
Specifically, referring to fig. 2, one end of the secondary feeding cylinder 9 is connected to the second oil circuit board 10, the other end of the secondary feeding cylinder is retractable relative to the second oil circuit board 10, and the structure connected to the other end of the secondary feeding cylinder is provided with a roller chain assembly and a dragging seat, and the dragging seat is provided with a rotating mechanism 4.
Optionally, the dragging seat may be provided with a through hole, and the through hole is sleeved on the guide pillar 8, so that the dragging seat can keep stable movement in the moving process, and the rotating mechanism 4 can stably advance and retreat.
Alternatively, in order to enable the rotation mechanism 4 to perform a rotation operation in the tunnel, it is connected to a hydraulic motor for supplying a rotation power.
The application provides an airborne jumbolter mainly includes roof strutting arrangement 1, one-level feed mechanism 2, second grade feed mechanism 3, rotary mechanism 4, frame 5, hydraulic pressure two-way balanced valve 6.
The top plate of the top plate supporting device 1 is driven by a telescopic oil cylinder to do telescopic motion and extend out to contact with a roadway top plate or a side wall.
The primary feeding mechanism 2 comprises a first oil circuit board 7, a guide post 8, a second oil circuit board 10 and a primary feeding oil cylinder 11, and is used for realizing primary feeding motion.
The secondary feeding mechanism 3 comprises a roller chain assembly, a secondary feeding oil cylinder 9 and a dragging seat, and is connected with the primary feeding mechanism 2 through the dragging seat and the secondary feeding oil cylinder 9 for realizing secondary feeding movement.
In addition, the rotating mechanism 4 comprises a waterproof cover, a hydraulic motor, a water jacket assembly and a mounting shaft, and is used for driving the drill rod to realize drilling.
This application adopts 4 inside guide pillars that are equipped with the oil duct, 2 double-acting feed cylinder that have the inside oil duct of piston rod, 2 feeding mechanism of the parallelly connected guide pillar form of inside oil duct that the inside oil circuit board that is equipped with the oil duct of group constitutes, can avoid producing the condition of oil leak. When the anchor rod drilling machine is used on a tunneling and anchoring integrated machine, 1 group or a plurality of groups of anchor rod drilling machines can be arranged on the coal mine tunneling and anchoring integrated machine and are used for anchoring and supporting a coal mine tunnel. When a plurality of groups are arranged, the stretching of the groups needs to be controlled to be performed uniformly.
In addition to the main structure of the onboard jumbolter provided in the above embodiments, the structure of other parts of the onboard jumbolter is referred to the prior art, and will not be described herein again.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The onboard jumbolter provided by the present invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (9)
1. An airborne jumbolter is characterized by comprising a feeding mechanism, a rotating mechanism (4), a frame (5) and a hydraulic control bidirectional balance valve bank (6);
the feeding mechanism comprises a primary feeding oil cylinder (11) and a secondary feeding oil cylinder (9), a piston rod of the primary feeding oil cylinder (11) is connected with a hydraulic control bidirectional balance valve group (6), a piston cavity of the primary feeding oil cylinder (11) is connected with a piston cavity of the secondary feeding oil cylinder (9), a piston rod cavity of the primary feeding oil cylinder (11) is connected with a piston rod cavity of the secondary feeding oil cylinder (9), and the rotating mechanism (4) is driven by the secondary feeding oil cylinder (9).
2. The airborne jumbolter according to claim 1, wherein the primary feed cylinder (11) is connected with the first oil passage plate (7), and a piston cavity and a piston rod cavity of the primary feed cylinder (11) are both communicated with an oil passage inside the first oil passage plate (7);
the first oil circuit board (7) is connected with the second oil circuit board (10) through a guide pillar (8), an oil passage in the first oil circuit board (7) is communicated with an oil passage of the second oil circuit board (10) through an oil passage of the guide pillar (8), and an oil passage of the second oil circuit board (10) is communicated with a piston cavity and a piston rod cavity of the secondary feeding oil cylinder (9).
3. An onboard jumbolter according to claim 2, wherein the first and second fluid passages (7, 10) are connected by at least two guide posts (8), and the guide posts (8) are symmetrically arranged with respect to the primary feed cylinder (11).
4. The onboard jumbolter according to claim 2, wherein the primary feed cylinder (11) is connected to the first oil passage plate (7), the first oil passage plate (7) is connected to the guide post (8), and the guide post (8) is connected to the second oil passage plate (10) by bolts.
5. An on-board roof bolter according to claim 2, characterized in that the length of the primary feed cylinder (11) is greater than the length of the secondary feed cylinder (9).
6. An onboard roofbolter according to any one of claims 2 to 5, characterized in that the frame (5) comprises a guide bush in which the guide post (8) is movably arranged to provide a guiding action.
7. The onboard roofbolter according to claim 6, characterized in that the frame (5) is connected to a roof support device (1), the roof support device (1) comprising:
a top plate;
the top plate oil cylinder is connected with the top plate and the rack (5), and the guide sleeve of the rack (5) is sleeved with the guide pillar of the top plate oil cylinder.
8. An onboard jumbolter according to claim 6, wherein one end of the secondary feed cylinder (9) is connected with a drag base through a chain, and the rotating mechanism (4) is arranged on the drag base.
9. An on-board roofbolter according to claim 8, characterized in that the swivel mechanism (4) is connected to a hydraulic motor for providing swivel power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110400135.7A CN113090609B (en) | 2021-04-14 | 2021-04-14 | Airborne jumbolter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110400135.7A CN113090609B (en) | 2021-04-14 | 2021-04-14 | Airborne jumbolter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113090609A true CN113090609A (en) | 2021-07-09 |
| CN113090609B CN113090609B (en) | 2023-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110400135.7A Active CN113090609B (en) | 2021-04-14 | 2021-04-14 | Airborne jumbolter |
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| Country | Link |
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| CN (1) | CN113090609B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1383562A (en) * | 1971-10-06 | 1974-02-12 | Elders G W | Machine for driving mine roof pins |
| US20090191003A1 (en) * | 2008-01-28 | 2009-07-30 | Kruse Darin R | Apparatus and methods for underground structures and construction thereof |
| CN104806277A (en) * | 2015-04-14 | 2015-07-29 | 王发秀 | Automatic rod feeding device for mine anchor rod drilling machine |
| CN104879148A (en) * | 2015-04-21 | 2015-09-02 | 王发秀 | Full-automatic anchor rod drilling machine for coal mines |
| CN206309413U (en) * | 2016-09-19 | 2017-07-07 | 田胜利 | A kind of development machine roof bolter mechanism |
-
2021
- 2021-04-14 CN CN202110400135.7A patent/CN113090609B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1383562A (en) * | 1971-10-06 | 1974-02-12 | Elders G W | Machine for driving mine roof pins |
| US20090191003A1 (en) * | 2008-01-28 | 2009-07-30 | Kruse Darin R | Apparatus and methods for underground structures and construction thereof |
| CN104806277A (en) * | 2015-04-14 | 2015-07-29 | 王发秀 | Automatic rod feeding device for mine anchor rod drilling machine |
| CN104879148A (en) * | 2015-04-21 | 2015-09-02 | 王发秀 | Full-automatic anchor rod drilling machine for coal mines |
| CN206309413U (en) * | 2016-09-19 | 2017-07-07 | 田胜利 | A kind of development machine roof bolter mechanism |
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| Publication number | Publication date |
|---|---|
| CN113090609B (en) | 2023-09-15 |
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