CN219281656U - Normal jumbolter and heading machine - Google Patents
Normal jumbolter and heading machine Download PDFInfo
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- CN219281656U CN219281656U CN202223056553.8U CN202223056553U CN219281656U CN 219281656 U CN219281656 U CN 219281656U CN 202223056553 U CN202223056553 U CN 202223056553U CN 219281656 U CN219281656 U CN 219281656U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model provides a normal jumbolter and a heading machine, the normal jumbolter comprises a mounting seat and a drill body, wherein the mounting seat comprises a rotary system, the rotary system comprises a fixed ring and a rotary ring, the rotary ring is connected with a driving device and can rotate under the action of the driving device, at least one drill body is fixedly connected with the rotary ring, a drill rod of the drill body extends along the radial direction of the rotary ring, and the fixed ring is provided with a connecting structure for connecting with a main beam of the heading machine so as to enable the rotary ring to be coaxial with a tunnel. When the drilling machine is used, the rotary ring is coaxial with the tunnel, the drill rod radially extends along the rotary ring, so that the drill rod rotates along the normal direction of the tunnel under the action of the driving device, the drilling machine can rotate 360 degrees, normal drilling at any circumferential position is realized, and the best anchoring effect is obtained by matching with the anchor rod support. The heading machine comprises a main beam, wherein the normal jumbolter is arranged on the main beam, so that normal drilling can be performed at any circumferential position, and the best anchoring effect can be achieved by matching with an anchor bolt support.
Description
Technical Field
The utility model belongs to the technical field of tunnel support, and particularly relates to a normal jumbolter and a heading machine.
Background
The anchor bolt support is a tunnel support mode commonly used in tunneling construction of a full-face tunnel boring machine, and has the advantages of rapidness, safety and economy. At present, a rock mass is drilled in advance by an anchor rod drilling machine, and an anchor rod is driven into the rock mass hole to play a role in anchoring.
The anchoring effect of the anchor rod is embodied as the effect of radial force and tangential force, the radial anchoring force applies surrounding pressure to surrounding rock, the surrounding rock is converted from a unidirectional or bidirectional stress state to a three-dimensional stress state, and the stability of the surrounding rock is improved; the anchor rod penetrates through the weak face in the same rock stratum, and the tangential anchoring force improves the mechanical property of the weak face, so that the mechanical property of surrounding rock is improved. The radial anchoring force mainly plays a supporting role, the tangential anchoring force plays a reinforcing role, the radial anchoring force mainly plays a role in roadway supporting, the value of the radial force is increased, and the anchoring effect can be improved.
Drilling holes from the tunnel surrounding rock normal is an effective way to increase the radial anchoring force. Chinese patent application publication No. CN110173287a (publication date: 2019.08.27) discloses a normal anchor mechanism of a heading machine, which includes a swing arm system that can move in a plane perpendicular to the tunnel axis to realize normal drilling of the drilling machine. The hinge point of the large arm and the trolley of the anchor rod mechanism is arranged above the pulley, and the angle range meeting the coincidence of the hinge point of the large arm and the drilling machine with the normal direction of the tunnel is limited, so that normal drilling at any angle cannot be realized, namely, the best anchoring effect cannot be obtained at any position in the circumferential direction of the tunnel.
Accordingly, there is a need to provide a roof bolter that can achieve arbitrary angle normal drilling.
Disclosure of Invention
The utility model aims to provide a normal jumbolter, which aims to solve the technical problem that the normal drilling angle of the conventional normal jumbolter mechanism is limited. The utility model also aims to provide a heading machine so as to solve the technical problem that the conventional heading machine jumbolter is inconvenient to realize normal drilling at any angle.
In order to achieve the above purpose, the technical scheme of the normal jumbolter provided by the utility model is as follows:
the utility model provides a normal roof bolter, includes mount pad and rig body, the mount pad includes the rotary system, the rotary system includes solid fixed ring and gyratory ring, and the gyratory ring is connected with drive arrangement to can rotate under drive arrangement effect, with at least one rig body of gyratory ring fixedly connected with, the drilling rod of rig body radially extends along the gyratory ring, gu fixed ring is equipped with and is used for being connected with the entry driving machine girder so that gyratory ring and the coaxial connection structure in tunnel.
The beneficial effects are that: through improving traditional jumbolter swing arm mount pad into rotation for this normal jumbolter is when using, and the slewing ring is coaxial with the tunnel, because of the drilling rod radially extends along the slewing ring, makes the drilling rod along the tunnel normal direction, and the slewing ring can 360 rotations under drive arrangement effect, and then makes the rig can 360 rotations, realizes the normal drilling of circumference optional position, obtains maximum anchoring force at tunnel circumference optional position, cooperates the anchor bolt support to reach best anchoring effect.
As a further improvement, the rotary system is of a bearing structure, the rotary ring forms an inner ring of the rotary system, and the fixed ring forms an outer ring of the rotary system.
As a further development, the swivel ring is provided with internal teeth which mesh with a pinion provided at the output of the drive.
The beneficial effects are that: the space arrangement transmission structure in the swivel ring can be utilized, so that the whole structure is more compact.
As a further improvement, the front end of the swivel ring has a projecting portion projecting from the fixing ring, and the drill body is provided on the projecting portion.
As a further development, the drive is a hydraulic motor.
The beneficial effects are that: the rotary ring can bear larger counter moment, and stability is improved.
As a further improvement, the fixed ring is provided with a travelling wheel, and the travelling wheel is used for being connected with a main beam of the heading machine.
The beneficial effects are that: the travelling wheels are driven to advance or retreat to drill holes in different positions in the axial direction of the tunnel, so that the efficiency is improved.
As a further improvement, one end of the fixed ring is connected with a propulsion oil cylinder, one end of the propulsion oil cylinder is connected with the fixed ring, and the other end of the propulsion oil cylinder is connected with the heading machine.
The beneficial effects are that: the stability of the movement of the jumbolter is improved.
As a further improvement, the drilling machine body is fixedly connected with the rotary ring through the telescopic frame, the telescopic frame comprises a compensation oil cylinder, one end of the compensation oil cylinder is connected with the drilling machine body, the other end of the compensation oil cylinder is connected with the telescopic frame, and the telescopic direction of the compensation oil cylinder is the same as the extending direction of the drill rod.
The beneficial effects are that: the drilling machine can be pushed to move towards the tunnel normal direction through the compensation oil cylinder, so that the drilling machine is closer to the tunnel wall, and the stability in the drilling process is improved.
As a further improvement, the telescopic frame is also provided with a sliding block, and the sliding block is fixedly connected with the drilling machine and can slide along the telescopic direction of the compensation oil cylinder.
The beneficial effects are that: the stability of the drilling machine movement is improved, the compensation oil cylinder is prevented from bearing larger lateral force, and the compensation oil cylinder is protected.
In order to achieve the above purpose, the technical scheme of the heading machine provided by the utility model is as follows:
the heading machine comprises a main beam, a normal jumbolter is arranged on the main beam, the normal jumbolter comprises a mounting seat and a drilling machine body, the mounting seat comprises a rotary system, the rotary system comprises a fixed ring and a rotary ring, the rotary ring is connected with a driving device and can rotate under the action of the driving device, at least one drilling machine body is fixedly connected with the rotary ring, a drill rod of the drilling machine body radially extends along the rotary ring, and the fixed ring is provided with a connecting structure which is connected with the main beam of the heading machine to enable the rotary ring to be coaxial with a tunnel.
The beneficial effects are that: through improving traditional jumbolter swing arm mount pad into rotation for this normal jumbolter is when using, and the slewing ring is coaxial with the tunnel, because of the drilling rod radially extends along the slewing ring, makes the drilling rod along the tunnel normal direction, and the slewing ring can 360 rotations under drive arrangement effect, and then makes the rig can 360 rotations, realizes the normal drilling of circumference optional position, obtains maximum anchoring force at tunnel circumference optional position, cooperates the anchor bolt support to reach best anchoring effect.
As a further improvement, the rotary system is of a bearing structure, the rotary ring forms an inner ring of the rotary system, and the fixed ring forms an outer ring of the rotary system.
As a further development, the swivel ring is provided with internal teeth which mesh with a pinion provided at the output of the drive.
The beneficial effects are that: the space arrangement transmission structure in the swivel ring can be utilized, so that the whole structure is more compact.
As a further improvement, the front end of the swivel ring has a projecting portion projecting from the fixing ring, and the drill body is provided on the projecting portion.
As a further development, the drive is a hydraulic motor.
The beneficial effects are that: the rotary ring can bear larger counter moment, and stability is improved.
As a further improvement, the fixed ring is provided with a travelling wheel, and the travelling wheel is used for being connected with a main beam of the heading machine.
The beneficial effects are that: the travelling wheels are driven to advance or retreat to drill holes in different positions in the axial direction of the tunnel, so that the efficiency is improved.
As a further improvement, one end of the fixed ring is connected with a propulsion oil cylinder, one end of the propulsion oil cylinder is connected with the fixed ring, and the other end of the propulsion oil cylinder is connected with the heading machine.
The beneficial effects are that: the stability of the movement of the jumbolter is improved.
As a further improvement, the drilling machine body is fixedly connected with the rotary ring through the telescopic frame, the telescopic frame comprises a compensation oil cylinder, one end of the compensation oil cylinder is connected with the drilling machine body, the other end of the compensation oil cylinder is connected with the telescopic frame, and the telescopic direction of the compensation oil cylinder is the same as the extending direction of the drill rod.
The beneficial effects are that: the drilling machine can be pushed to move towards the tunnel normal direction through the compensation oil cylinder, so that the drilling machine is closer to the tunnel wall, and the stability in the drilling process is improved.
As a further improvement, the telescopic frame is also provided with a sliding block, and the sliding block is fixedly connected with the drilling machine and can slide along the telescopic direction of the compensation oil cylinder.
The beneficial effects are that: the stability of the drilling machine movement is improved, the compensation oil cylinder is prevented from bearing larger lateral force, and the compensation oil cylinder is protected.
Drawings
FIG. 1 is a schematic view of the construction of example 1 of the normal jumbolter of the present utility model;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is an enlarged view of a portion of the underside of FIG. 1;
fig. 4 is an enlarged view of a portion of the upper side of fig. 1.
Reference numerals illustrate:
1. a drill body; 2. a telescopic frame; 3. a swivel ring; 4. a fixing ring; 5. a walking wheel; 6. a thrust cylinder; 7. a hydraulic motor; 8. a main beam; 9. a walking rail; 10. a rotary support; 11. a drill rod; 12. a compensation oil cylinder; 13. a sliding block.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.
It is noted that relational terms such as "first" and "second", and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" or the like is not excluded from a process, method, or the like that includes the element.
In the description of the present utility model, the terms "mounted," "connected," "coupled," and "connected," as may be used broadly, and may be connected, for example, fixedly, detachably, or integrally, unless otherwise specifically defined and limited; can be mechanically or electrically connected; either directly, indirectly through intermediaries, or in communication with the interior of the two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art in specific cases.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the term "provided" may be interpreted broadly, and for example, an object "provided" may be a part of a body, may be separately disposed from the body, and may be connected to the body, where the connection may be a detachable connection or an undetachable connection. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art in specific cases.
The present utility model is described in further detail below with reference to examples.
The utility model provides a concrete embodiment 1 of a normal jumbolter, which comprises the following steps:
the structure of the normal jumbolter provided by the embodiment is shown in fig. 1-4, and comprises a drill body 1, a mounting seat and a driving device. The installation seat comprises a rotary system, the rotary system is of a bearing structure and comprises a rotary ring 3 and a fixed ring 4, the rotary ring 3 is an inner ring of the rotary system, a gear ring transmission structure is conveniently arranged in the rotary ring 3 by utilizing the space, a rotary support 10 is arranged between the rotary ring 3 and the fixed ring 4, and the rotary ring 3 can roll along with the rotary support 10 to realize rotation. The rotary ring 3 comprises an inner gear ring, the inner gear ring is arranged inside the fixed ring 4, the part of the rotary ring 3 connected with the drilling machine body 1 axially extends out of the fixed ring 4, the inner gear ring is meshed with a pinion arranged at the output end of the driving device, and the rotary ring 3 can rotate by 360 degrees under the action of the driving device. In particular, the drive means is a hydraulic motor 7, so that the swivel ring 3 can withstand large counter moments. The drill body 1 is fixedly connected with the rotary ring 3 through the telescopic frame 2, the drill rods 11 of the drill body 1 extend radially along the rotary ring, one or more drill bodies 1 can be arranged according to the diameter of the tunnel, as shown in fig. 2, and in the embodiment, two drill bodies 1 are arranged.
When the normal jumbolter in the embodiment is used, the fixing ring 4 is arranged on the main beam 8 of the tunneling machine through the connecting structure, the rotary ring 3 is coaxial with a tunnel, the drill rod 11 radially extends along the rotary ring 3, normal drilling of the tunnel is realized, the drill body 1 and the rotary ring 3 rotate, and normal drilling of any position in the circumferential direction of the tunnel is realized.
The structure of the telescopic frame 2 or the connecting flange can be used for connecting a plurality of drilling machines on the rotary ring, so that the drilling efficiency is improved.
Further, the expansion bracket 2 is provided with a compensation oil cylinder 12 and a sliding block 13, the sliding block 13 can slide along the expansion bracket 2, the drilling machine body 1 is fixedly connected with the sliding block 13, the drilling machine body 1 is connected with the movable end of the compensation oil cylinder 12 through an ear seat, the compensation oil cylinder 12 stretches out and draws back along the normal direction of the rotary ring 3, and the expansion direction of the compensation oil cylinder is the same as that of the drill rod 11, so that the drilling machine body 1 is driven to be close to the tunnel wall before drilling so as to improve the stability during drilling.
Further, the fixed ring is provided with the walking wheel 5, and when in use, the walking wheel 5 rolls along the front and back directions of the walking track 9 arranged on the main beam 8 to drive the whole normal jumbolter to move back and forth, so that normal drilling at any angle in different positions of the tunnel axis is realized. One end of the fixed ring 4 is provided with a linear reciprocating driving device to realize active walking of the normal jumbolter, and in particular, the embodiment is provided with a thrust cylinder 6 at the rear end of the fixed ring.
The specific embodiment 2 of the normal jumbolter provided by the utility model is mainly different from the embodiment 1 in that: in embodiment 1, the swivel ring 3 is an inner ring. In this embodiment, the swivel ring is an outer ring and includes an outer ring gear, and the stationary ring is an inner ring.
The specific embodiment 3 of the normal jumbolter provided by the utility model is mainly different from the embodiment 1 in that: in embodiment 1, the rotary ring 3 comprises an inner gear ring which is meshed with a pinion at the output end of the hydraulic motor 7 to realize power transmission. In the embodiment, one end of the rotary ring is connected with a transmission bracket, and the transmission bracket is in transmission connection with the hydraulic motor to drive the rotary ring to rotate.
The specific embodiment 4 of the normal jumbolter provided by the utility model is mainly different from the embodiment 1 in that: in embodiment 1, the driving means is a hydraulic motor 7. In this embodiment, the driving means is a motor.
Embodiments of heading machine in the present utility model:
the heading machine comprises a main beam on which a normal jumbolter as described in any of the embodiments 1 to 4 of the above described normal jumbolter is provided, which will not be described in detail here.
It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited to the above-mentioned embodiments, but may be modified without inventive effort or equivalent substitution of some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a normal roof bolter, includes mount pad and rig body (1), its characterized in that, the mount pad includes rotary system, rotary system includes solid fixed ring (4) and gyratory ring (3), and gyratory ring (3) are connected with drive arrangement to can rotate under drive arrangement effect, with at least one rig body (1) of gyratory ring (3) fixedly connected with, drilling rod (11) of rig body (1) radially extend along gyratory ring (3), gu fixed ring (4) are equipped with and are used for being connected with entry driving machine girder (8) so that gyratory ring and tunnel coaxial connection structure.
2. The normal jumbolter of claim 1, wherein the swivel system is a bearing structure, the swivel ring (3) forms an inner ring of the swivel system, and the stationary ring (4) forms an outer ring of the swivel system.
3. A normal jumbolter according to claim 2, characterized in that the swivel (3) is provided with internal teeth which mesh with a pinion provided at the output of the drive.
4. A normal jumbolter according to claim 3, characterized in that the front end of the swivel (3) has a forward extension protruding from the fixing ring (4), on which the drill body (1) is arranged.
5. A normal jumbolter according to claim 4, characterized in that the drive means is a hydraulic motor (7).
6. The normal jumbolter of claim 5, wherein the stationary ring (4) is provided with road wheels (5), the road wheels (5) being adapted to be connected with a main heading machine beam (8).
7. The normal jumbolter of claim 6, wherein the fixed ring is connected at one end with a thrust cylinder (6), one end of the thrust cylinder (6) is connected with the fixed ring (4), and the other end is used for being connected with a heading machine.
8. The normal jumbolter according to claim 7, characterized in that the drill body (1) is fixedly connected with the swivel (3) through a telescopic frame (2), the telescopic frame (2) comprises a compensation cylinder (12), one end of the compensation cylinder (12) is connected with the drill body (1), the other end of the compensation cylinder is connected with the telescopic frame (2), and the telescopic direction of the compensation cylinder (12) is the same as the extending direction of the drill rod (11).
9. The normal jumbolter of claim 8, wherein the telescopic frame (2) is further provided with a slide block (13), and the slide block (13) is fixedly connected with the drill body (1) and can slide along the telescopic direction of the compensation cylinder (12).
10. Heading machine comprising a main girder, characterized in that the main girder is provided with a normal jumbolter according to any of the claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223056553.8U CN219281656U (en) | 2022-11-17 | 2022-11-17 | Normal jumbolter and heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223056553.8U CN219281656U (en) | 2022-11-17 | 2022-11-17 | Normal jumbolter and heading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219281656U true CN219281656U (en) | 2023-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223056553.8U Active CN219281656U (en) | 2022-11-17 | 2022-11-17 | Normal jumbolter and heading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219281656U (en) |
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- 2022-11-17 CN CN202223056553.8U patent/CN219281656U/en active Active
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