CN113090609B - Airborne jumbolter - Google Patents
Airborne jumbolter Download PDFInfo
- Publication number
- CN113090609B CN113090609B CN202110400135.7A CN202110400135A CN113090609B CN 113090609 B CN113090609 B CN 113090609B CN 202110400135 A CN202110400135 A CN 202110400135A CN 113090609 B CN113090609 B CN 113090609B
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- Prior art keywords
- oil cylinder
- oil
- circuit board
- feeding
- primary
- Prior art date
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- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 11
- 230000009471 action Effects 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 168
- 239000010720 hydraulic oil Substances 0.000 abstract description 10
- 238000012545 processing Methods 0.000 abstract description 6
- 239000003245 coal Substances 0.000 description 7
- 238000004873 anchoring Methods 0.000 description 6
- 230000005641 tunneling Effects 0.000 description 6
- 238000005553 drilling Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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 application discloses an airborne jumbolter, which comprises a feeding mechanism, a rotating mechanism, a frame and a hydraulic control bidirectional 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 bidirectional 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. According to the on-board jumbolter, the primary feeding mechanism and the secondary feeding mechanism are integrated into the feeding mechanism connected in parallel in the integrated hydraulic loop, so that the one-link hydraulic loop 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 application 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 coal mines and is key equipment for improving the tunneling efficiency of the roadways.
The machine-mounted jumbolter is a special drilling tool for anchor rods and anchor ropes in the anchor rod support of an excavating and anchoring integrated unit, can also be used for the functions of installing explosive cartridge anchoring agents, screwing nuts and the like, and the reliability and stability of the quality of the machine-mounted jumbolter are key factors of the anchor rod support of a coal mine tunnel.
The existing airborne jumbolter often adopts a dovetail groove or chute structure as a guide mechanism of a feeding mechanism, so that the machining difficulty is high, the rail is worn, and the replacement is inconvenient; meanwhile, copper guide rails are adopted as sliding parts, so that the sliding parts are easy to wear. In addition, a small part of the onboard jumbolter uses a feeding mechanism of a cylindrical guide rail, but a hydraulic pipeline of a feeding oil cylinder is arranged externally, an oil duct adopts an external parallel connection mode such as a rack, a multi-path hydraulic block and the like, and the hydraulic pipelines of all the feeding mechanisms are arranged externally in the operation process of the jumbolter, so that the problems of oil leakage and the like are easily caused when the hydraulic pipelines are knocked, crushed and broken by coal dropping or other equipment.
In summary, how to avoid the problems of oil leakage and high processing difficulty is a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the present application aims 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 object, the present application provides the following technical solutions:
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 bidirectional 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 the piston cavity and the piston rod cavity of the primary feeding oil cylinder are both communicated with an oil duct in the first oil circuit board;
the first oil circuit board is connected with the second oil circuit board through the guide post, and an oil duct inside the first oil circuit board is communicated with an oil duct of the second oil circuit board through an oil duct of the guide post, and an oil duct 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 is connected with the second oil circuit board 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 the length of the secondary feed cylinder.
Preferably, the frame comprises a guide sleeve, and the guide post is movably arranged in the guide sleeve to form a guiding effect.
Preferably, the rack is connected to a top plate supporting device, and the top plate supporting device includes:
a top plate;
the top plate oil cylinder is connected with the top plate and the frame, and the top plate oil cylinder guide post is sleeved in the guide sleeve of the frame.
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 rotation mechanism is connected to a hydraulic motor for providing rotation power.
According to the on-board jumbolter, the primary feeding mechanism and the secondary feeding mechanism are integrated into the feeding mechanism connected in parallel in the hydraulic loop, 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 application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an airborne jumbolter provided by the application;
FIG. 2 is a front view of an on-board roof bolter according to the present application;
FIG. 3 is a schematic view of a feed mechanism of an on-board roof bolter provided by the present application;
fig. 4 is a schematic diagram of an internal oil duct parallel hydraulic oil circuit of the airborne jumbolter provided by the application.
The hydraulic control two-way balance valve group comprises a top plate supporting device 1, a primary feeding mechanism 2, a secondary feeding mechanism 3, a rotating mechanism 4, a frame 5 and a hydraulic control two-way balance valve group 6;
7 is a first oil circuit board, 8 is a guide pillar, 9 is a secondary feeding oil cylinder, 10 is a second oil circuit board, and 11 is a primary feeding oil cylinder.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The core of the application is to provide the airborne jumbolter which has high reliability, low possibility of oil leakage and low processing difficulty.
Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of an airborne jumbolter according to the present application; FIG. 2 is a front view of an on-board roof bolter according to the present application; FIG. 3 is a schematic view of a feed mechanism of an on-board roof bolter provided by the present application; fig. 4 is a schematic diagram of an internal oil duct parallel hydraulic oil circuit of the airborne jumbolter provided by the application.
The application provides an airborne jumbolter, which comprises a feeding mechanism, a rotating mechanism 4, a frame 5 and a hydraulic control bidirectional balance valve group 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 the 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 arranged on the secondary feeding oil cylinder 9.
The frame 5 is a supporting structure, the feeding mechanism is disposed on the frame 5, and the telescopic cylinder drives the rotating mechanism 4 to advance or retract.
In the application, a primary feeding oil cylinder 11 and a secondary feeding oil cylinder 9 are arranged in parallel, and in the field of hydraulic oil cylinders, the parallel connection is specifically as follows: 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.
The primary feeding oil cylinder 11 is directly connected with the hydraulic control bidirectional balance valve group 6, and the secondary feeding oil cylinder 9 is indirectly connected with the hydraulic control bidirectional balance valve group 6 through the primary feeding oil cylinder 11, so that oil firstly passes through the primary feeding oil cylinder 11 and then reaches the secondary feeding oil cylinder 9, an oil duct through which the oil reaches the secondary feeding oil cylinder 9 passes is longer, the local loss is more complicated than the along-path loss, and under the condition that the load is the same, the local and along-path local loss of the primary feeding oil cylinder 11 is small according to the pressure loss and the back pressure principle, the primary feeding oil cylinder 11 is easier to move preferentially, the primary feeding oil cylinder 11 stretches and contracts preferentially relative to the secondary feeding oil cylinder 9, the primary feeding mechanism 2 is driven to perform primary feeding motion, and the secondary feeding mechanism 3 is driven to perform secondary feeding motion.
The primary feeding mechanism and the secondary feeding mechanism are integrated into the feeding mechanism connected in parallel in the integrated hydraulic circuit, so that a one-joint hydraulic circuit is saved, and the problems of hydraulic oil leakage, insufficient thrust of an oil cylinder and high processing difficulty are effectively solved.
On the basis of the embodiment, the primary feeding oil cylinder 11 is connected with the first oil circuit board 7, and the piston cavity and the piston rod cavity of the primary feeding oil cylinder 11 are both communicated with the oil duct inside the first oil circuit board 7;
the first oil circuit board 7 is connected with the second oil circuit board 10 through the guide post 8, and an oil passage inside 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 post 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.
It should be noted that, the primary feeding cylinder 11 is connected to the first oil circuit board 7, and the two internal oil circuits are communicated, and the secondary feeding cylinder 9 is connected to the second oil circuit board 10, and the two internal oil circuits are communicated; the first oil passage plate 7 and the second oil passage plate 10 are connected by the guide post 8, and the oil passages inside the three are communicated.
Specifically, the hydraulic control bidirectional balance valve group 6 is installed on a piston rod of the primary feeding oil cylinder 11, and a liquid inlet and return oil duct is processed inside the piston rod of the primary feeding oil cylinder 11 to control the feeding oil cylinder to drive the primary feeding mechanism 2 to perform feeding motion. Wherein the hydraulic control bidirectional balance valve group 6 can be used for controlling the stability of the feeding oil cylinder.
The first oil circuit board 7 is internally provided with a hydraulic oil passage, and the first oil circuit board 7 is connected with the primary feed oil cylinder 11 through bolts; the internal oil duct is connected with the piston cavity and the piston rod cavity of the primary feeding oil cylinder 11.
A hydraulic oil channel is processed in the guide pillar 8 and is fixed with the first oil circuit board 7 and the second oil circuit board 10 through bolts; further, the inner oil passage of the guide post 8 is connected to the inner oil passages of the first and second oil passage plates 7, 10. Optionally, the guide post 8 is cylindrical in shape, and a smoother guiding effect is achieved through the cylinder.
The second oil circuit board 10 is internally provided with a hydraulic oil passage which is connected with the secondary feeding oil cylinder 9 through bolts; the internal oil duct is connected with the piston cavity and the piston rod cavity of the secondary feeding oil cylinder 9.
The inside of a piston rod of the secondary feeding oil cylinder 9 is provided with a feeding hydraulic oil passage, and the secondary feeding mechanism 3 is driven to perform feeding motion through the telescopic driving of the oil cylinder.
The oil passage is communicated, and the unification of the oil inlet direction and the oil outlet direction is required to be ensured.
Optionally, the first oil circuit board 7 and the second oil circuit board 10 are connected through at least two guide posts 8, and the guide posts 8 are symmetrically arranged relative to the primary feed oil cylinder 11.
Referring to fig. 3, in a specific embodiment, 4 guide posts 8 are provided, and the 4 guide posts 8 are symmetrically disposed about the first-stage feeding cylinder 11, where the guide posts 8 serve as a connection structure for connecting the first oil circuit board 7 and the second oil circuit board 10, and serve as a conduction structure for connecting the first oil circuit board 7 and the second oil circuit board 10, and are symmetrically disposed about the first-stage feeding cylinder 11, so as to help stabilize the connection between the first oil circuit board 7 and the second oil circuit board 10, and ensure the stability of the position between the first-stage feeding cylinder 11 and the two oil circuit boards.
In a preferred embodiment, the frame 5 comprises a guide sleeve in which the guide post 8 is movably arranged to form a guiding action.
The frame 5 is provided with at least 1 group of guide sleeves, the guide posts 8 are sleeved in the guide sleeves and can move in the guide sleeves, the guide posts 8 always keep horizontal or keep the axial direction unchanged in the moving process, and the guide sleeves can play a role in stabilizing the guide posts 8, so that the primary feeding oil cylinder 11 and the two oil circuit boards are further stabilized.
Alternatively, the guide post 8 may be a cylindrical guide post.
The guide post 8 and the matched guide sleeve effectively solve the problems of serious abrasion, inconvenient maintenance and the like of the dovetail groove type track.
In any of the above embodiments, 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.
Because the first-stage feeding cylinder 11, the first oil path plate 7, the guide post 8, the second oil path plate 10 and the second feeding cylinder 9 form an integral oil path communication structure, the tightness is very important, the tightening connection is realized at the end part through the bolts, and the stability of the connection can be maintained.
Optionally, the length of the primary feed cylinder 11 is greater than the length of the secondary feed cylinder 9.
In a specific embodiment provided by the present application, the rack 5 is connected to the top plate supporting device 1, and the top plate supporting device 1 includes:
a top plate;
the top plate oil cylinder is connected with the top plate and the frame 5, and the top plate oil cylinder guide post is sleeved in the guide sleeve of the frame 5.
The top plate can be used for supporting and other operations, the top plate oil cylinder is another oil cylinder of the airborne jumbolter and is used for driving the top plate to move through expansion and contraction, and the top plate can move close to or far away from the frame 5.
The roof support device 1 may further comprise a connection plate for connecting the guide sleeve with the frame 5.
The frame 5 is provided with a plurality of guide sleeves, one of which is used for arranging a guide post sleeve of the top plate oil cylinder, and the guide post sleeve of the top plate oil cylinder is arranged in the guide sleeve of the frame 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 also comprises a steel plate welded to the guide sleeve for supporting the bottom, the structure of which comprises the other components of the drilling machine.
On the basis of any one of the embodiments, one end of the secondary feeding cylinder 9 is connected with a drag seat, and the rotating mechanism 4 is arranged on the drag 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 is telescopic relative to the second oil circuit board 10, and meanwhile, a roller chain assembly and a towing seat are arranged on the other end connected structure, and a rotating mechanism 4 is arranged on the towing seat.
Alternatively, the dragging seat can be provided with a through hole, and the through hole is sleeved on the guide post 8, so that the dragging seat can keep stable movement in the moving process, and the rotating mechanism 4 can stably move forwards and backwards.
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 rotation power.
The application provides an airborne jumbolter which mainly comprises a top plate supporting device 1, a primary feeding mechanism 2, a secondary feeding mechanism 3, a rotating mechanism 4, a frame 5 and a hydraulic bidirectional balance valve 6.
The top plate of the top plate supporting device 1 is driven by a telescopic oil cylinder to do telescopic motion, and stretches out to contact with the top plate or the side wall of the roadway.
The primary feed mechanism 2 includes a first oil path plate 7, a guide post 8, a second oil path plate 10, and a primary feed cylinder 11 for effecting primary feed movement.
The secondary feeding mechanism 3 comprises a roller chain assembly, a secondary feeding oil cylinder 9 and a dragging seat, and is connected to the primary feeding mechanism 2 through the dragging seat and the secondary feeding oil cylinder 9 for realizing secondary feeding movement.
In addition, the rotary 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.
According to the application, 4 guide posts with oil passages inside, 2 double-acting feeding oil cylinders with the oil passages inside the piston rod and 2 groups of oil circuit boards with the oil passages inside are adopted to form the feeding mechanism with the internal oil passages connected with the guide posts in parallel, so that the situation of oil leakage can be avoided. When the anchor rod drilling machine is used on the machine carrier of the coal mine 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 used for anchoring and supporting of a coal mine tunnel. When a plurality of groups are arranged, the expansion and contraction of the groups are required to be controlled to be performed uniformly.
In addition to the main structure of the airborne roof bolter provided in the above embodiments, the structure of other parts of the airborne roof bolter is referred to the prior art, and will not be described in detail herein.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The airborne jumbolter provided by the application is described in detail above. The principles and embodiments of the present application have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present application and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the application can be made without departing from the principles of the application and these modifications and adaptations are intended to be within the scope of the application as defined in the following claims.
Claims (7)
1. The machine-mounted jumbolter is characterized by comprising a feeding mechanism, a rotating mechanism (4), a frame (5) and a hydraulic control two-way balance valve group (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 the 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);
the primary feeding oil cylinder (11) is connected with the first oil circuit board (7), and a piston cavity and a piston rod cavity of the primary feeding oil cylinder (11) are both communicated with an oil duct in 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 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);
the length of the primary feeding oil cylinder (11) is longer than that of the secondary feeding oil cylinder (9).
2. The airborne jumbolter of claim 1, wherein the first oil circuit board (7) and the second oil circuit board (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).
3. The airborne jumbolter of claim 1, wherein the primary feed cylinder (11) and the first oil circuit board (7), the first oil circuit board (7) and the guide post (8), the guide post (8) and the second oil circuit board (10) are all connected by bolts.
4. A machine-borne roof bolter according to any one of claims 1 to 3, characterized in that the frame (5) comprises a guide sleeve in which the guide post (8) is movably arranged to form a guiding action.
5. The airborne jumbolter of claim 4, wherein the frame (5) is connected to a roof support apparatus (1), the roof support apparatus (1) comprising:
a top plate;
the top plate oil cylinder is connected with the top plate and the frame (5), and the top plate oil cylinder guide post is sleeved in the guide sleeve of the frame (5).
6. The airborne jumbolter of claim 4, wherein one end of the secondary feed cylinder (9) is connected to a saddle via a chain, and the rotation mechanism (4) is provided on the saddle.
7. The on-board jumbolter of claim 5, wherein the rotation mechanism (4) is connected to a hydraulic motor for providing rotational 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 CN113090609A (en) | 2021-07-09 |
| CN113090609B true 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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|---|---|
| CN (1) | CN113090609B (en) |
Citations (4)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7722293B2 (en) * | 2008-01-28 | 2010-05-25 | Darin R. Kruse | Methods for constructing underground structures |
-
2021
- 2021-04-14 CN CN202110400135.7A patent/CN113090609B/en active Active
Patent Citations (4)
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113090609A (en) | 2021-07-09 |
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