AU2020102656A4 - Turnover working platform and tunneling device - Google Patents
Turnover working platform and tunneling device Download PDFInfo
- Publication number
- AU2020102656A4 AU2020102656A4 AU2020102656A AU2020102656A AU2020102656A4 AU 2020102656 A4 AU2020102656 A4 AU 2020102656A4 AU 2020102656 A AU2020102656 A AU 2020102656A AU 2020102656 A AU2020102656 A AU 2020102656A AU 2020102656 A4 AU2020102656 A4 AU 2020102656A4
- Authority
- AU
- Australia
- Prior art keywords
- platform
- turnover
- telescopic
- actuator
- main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007306 turnover Effects 0.000 title claims abstract description 159
- 230000005641 tunneling Effects 0.000 title claims abstract description 33
- 230000008859 change Effects 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 abstract description 17
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention provides a turnover working platform and a tunneling device,
wherein the turnover working platform comprises: a main platform, which is rotatably provided
5 relative to the machine body of the tunneling device; a turnover actuator, which is connected to
the main platform; a turnover platform, which is rotatably connected to the main platform,
wherein the turnover actuator is in a driving connection with the turnover platform and drives
the turnover platform to rotate relative to the main platform; a telescopic actuator, which is
connected to the turnover platform; a telescopic platform, which is telescopically connected to
J the turnover platform and rotates synchronously with the turnover platform, wherein the
telescopic actuator is in a driving connection with the telescopic platform and drives the
telescopic platform to extend out of or retract into the turnover platform to change the size of
the receiving area formed by the turnover platform and the telescopic platform. The present
invention solves the problem of inconvenient construction in the roadway by the construction
5 workers in the prior art.
10
Description
TECHNICAL FIELD The present invention relates to the technical field of coal mining devices, in particular, to a turnover working platform and a tunneling device.
BACKGROUND At present, the tunneling process of coal mine underground roadways is as follows: firstly, using tunneling machines and other tunneling devices to carry out cutting construction, and after ) cutting by a certain distance, carry outing supporting construction such as steel belt placing, net laying, bolts, cables, etc. Due to the large height of the roadway, the construction workers have to build temporary supports during supporting construction. It is inconvenient and unsafe for the construction workers to work on the temporary supports, and the efficiency is low.
SUMMARY The main purpose of the present invention is to provide a turnover working platform and a tunneling device to solve the problem of inconvenient construction in the roadway by the construction workers in the prior art. In order to achieve the above object, according to one aspect of the present invention, there D is provided a turnover working platform, comprising: a main platform, which is rotatably provided relative to the machine body of the tunneling device; a turnover actuator, which is connected to the main platform; a turnover platform, which is rotatably connected to the main platform, wherein the turnover actuator is in a driving connection with the turnover platform and drives the turnover platform to rotate relative to the main platform; a telescopic actuator, which is connected to the turnover platform; a telescopic platform, which is telescopically connected to the turnover platform and rotates synchronously with the turnover platform, wherein the telescopic actuator is in a driving connection with the telescopic platform and drives the telescopic platform to extend out of or retract into the turnover platform to change the size of the receiving area formed by the turnover platform and the telescopic platform. Further, there are a plurality of turnover platforms, and each of the turnover platforms is provided on opposite sides of the main platform. Further, the turning axis of the turnover platform relative to the main platform and the turning axis of the main platform relative to the machine body are perpendicular to each other. Further, there are a plurality of telescopic platforms, which are provided in one-to-one correspondence with the turnover platform.
Further, the telescopic platform and the main platform are located on opposite sides of the turnover platform, respectively. Further, the main platform, the turnover platform and the telescopic platform are provided collinearly. Further, the turnover working platform further comprises a rotating assembly, the rotating assembly is connected to the main platform and is connected to the machine body, and the rotating assembly drives the main platform to rotate relative to the machine body. Further, the turnover actuator and/or the telescopic actuator are hydraulic actuators. Further, the turnover working platform further comprises a control system connected to the J turnover actuator and the telescopic actuator, and the control system controls the actions of the turnover actuator and the telescopic actuator to control the positions of the turnover platform and the telescopic platform. According to another aspect of the present invention, there is provided a tunneling device, comprising a machine body and the turnover working platform described above, wherein the turnover working platform is installed at a cutting part of the machine body. By applying the technical solution of the present invention, a turnover platform and a telescopic platform are provided, and both the turnover platform and the telescopic platform cooperate with the main platform. The overall area of the platform is large, which meets the needs of the staff to perform operations thereon. The turning angle of the turnover platform can J be adjusted and locked arbitrarily. The height of the turnover platform can be adjusted as needed. It is easy to adjust and convenient to use the turnover platform. The telescopic platform is slidingly connected to the turnover platform through planar coordination. The telescopic platform can adjust the amount of telescoping according to the width of the roadway so that the turnover working platform can cover the whole roadway. The above method makes the overall area of the platform large. The staff can perform bolt, cable construction, steel belt placing, net laying, etc. on the turnover working platform, which has a wide range of application, high efficiency, and good safety. Moreover, the parameters such as the height, length and turning angle of the turnover working platform can be adjusted and locked according to the usage requirement, so it is suitable for roadways of various sizes. It is easy and fast to adjust and convenient to use the turnover working platform, which is high in safety. In addition, the turnover working platform is expanded to form a large operating platform in use. When not in use, the turnover working platform can be retracted to a very small volume, which can be closely attached to the cutting part of the tunneling device, without affecting the use of the tunneling device.
BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings forming part of the present application are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, without constituting an undue limitation on the present invention. In the drawings: FIG. 1 is a top diagram of a turnover working platform according to the present invention; FIG. 2 is a front diagram of a turnover working platform in FIG. 1; FIG. 3 is a schematic structural diagram of a turnover working platform in FIG. 1 when expanded on a tunneling device; and J FIG. 4 is a schematic structural diagram of a turnover working platform in FIG. 1 when retracted on a tunneling device. The above drawings include the following reference numbers: 10, a main platform; 20, a turnover actuator; 30, a turnover platform; 40, a telescopic actuator; 50, a telescopic platform; 60, a rotating assembly; 70, a machine body.
DESCRIPTION OF THE EMBODIMENTS It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present invention will be described in detail hereinafter with reference to the drawings and in conjunction with the J embodiments. It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as commonly understood by those skilled in the technical field to which the present application belongs. In the present invention, the directional terms such as "above, below, top, and bottom" are generally used for the direction shown in the drawings or for the vertical, perpendicular or gravity direction where the component itself is located unless otherwise stated; similarly, for ease of understanding and description, "inside and outside" refers to being inside and outside the contour of each component itself, but the above directional terms are not used to limit the present invention. In order to solve the problem of inconvenient construction in the roadway by the construction workers in the prior art, the present invention provides a turnover working platform and a tunneling device. As shown in FIGS. 1 to 4, a turnover working platform comprises a main platform 10, a turnover actuator 20, a turnover platform 30, a telescopic actuator 40, and a telescopic platform
50. The main platform 10 is rotatably provided relative to the machine body 70; the turnover actuator 20 is connected to the main platform 10; the turnover platform 30 is rotatably connected to the main platform 10, wherein the turnover actuator 20 is in a driving connection with the turnover platform 30 and drives the turnover platform 30 to rotate relative to the main platform 10; the telescopic actuator 40 is connected to the turnover platform 30; the telescopic platform 50 is telescopically connected to the turnover platform 30 and rotates synchronously with the turnover platform 30, wherein the telescopic actuator 40 is in a driving connection with the telescopic platform 50 and drives the telescopic platform 50 to extend out of or retract into the turnover platform 30 to change the size of the receiving area formed by the turnover J platform 30 and the telescopic platform 50. In this embodiment, the turnover platform 30 and the telescopic platform 50 are provided. Both the turnover platform 30 and the telescopic platform 50 cooperate with the main platform 10. The overall area of the platform is large, which meets the needs of the staff to perform operations thereon. The turning angle of the turnover platform 30 can be adjusted and locked arbitrarily. The height of the turnover platform 30 can be adjusted as needed. It is easy to adjust and convenient to use the turnover platform 30. The telescopic platform 50 is slidingly connected to the turnover platform 30 through planar coordination. The telescopic platform 50 can adjust the amount of telescoping according to the width of the roadway so that the turnover working platform can cover the whole roadway. The above method makes the overall area of the J platform large. The staff can perform bolt, cable construction, steel belt placing, net laying, etc. on the turnover working platform, which has a wide range of application, high efficiency, and good safety. Moreover, the parameters such as the height, length and turning angle of the turnover working platform can be adjusted and locked according to the usage requirement, so it is suitable for roadways of various sizes. It is easy and fast to adjust and convenient to use the turnover working platform, which is high in safety. In addition, the turnover working platform is expanded to form a large operating platform in use. When not in use, the turnover working platform can be retracted to a very small volume, which can be closely attached to the cutting part of the tunneling device, without affecting the use of the tunneling device. In this embodiment, there are a plurality of turnover platforms 30, and each of the turnover platforms 30 is provided on opposite sides of the main platform 10. The pivoting connection between the turnover platform 30 and the main platform 10 is achieved through hinges and pins. In this embodiment, two turnover platforms 30 are provided, and the two turnover platforms 30 are located on the left and right sides of the main platform 10 in the advancing direction of the tunneling device, thereby increasing the coverage area of the turnover working platform in the roadway. The turnover platform 30 can be moved up and down, the angle of which can be adjusted according to the needs, so that the staff can perform bolt, cable construction, steel belt placing, net laying, etc. on the turnover working platform. Preferably, the turning axis of the turnover platform 30 relative to the main platform 10 and the turning axis of the main platform 10 relative to the machine body 70 are perpendicular to each other. Specifically, the turning axis of the turnover platform 30 relative to the main platform 10 is a horizontal line and parallel to the advancing direction of the tunneling device, and the turning axis of the main platform 10 relative to the machine body 70 is also a horizontal line, but the horizontal line is perpendicular to the advancing direction of the tunneling device In this way, the height and angle of the turnover working platform can be adjusted in all J directions by turning in two directions, so that the position of the turnover working platform is helpful to the operation of the staff. In this embodiment, there are a plurality of telescopic platforms 50, which are provided in one-to-one correspondence with the turnover platform 30. The telescopic platform 50 and the main platform 10 are located on opposite sides of the turnover platform 30, respectively. That is to say, the telescopic platform 50 is located on the side of the turnover platform 30 away from the main platform 10. The distance by which the telescopic platform 50 extends out of the turnover platform 30 can be adjusted as needed. The telescopic platform 50 is provided, which further increases the area of the turnover working platform on the one hand, so that the length of the turnover working platform can be as close as possible to the width of the roadway. As shown J in FIG. 3, the turnover working platform can cover the width of the entire roadway, and the staff can complete various operations in various positions on the turnover working platform. On the other hand, the telescopic platform is provided, which expands the turnover working platform in use, and retracts the telescopic platform 50 when not in use. The turnover platform 30 can be turned over downward to be closely attached to the machine body 70. As shown in FIG. 4, the turnover working platform can be retracted to a very small volume, and can be closely attached to the cutting part of the tunneling device, which helps to reduce the space occupied by the turnover working platform during retraction and reduce the impact on the operation of the tunneling device. In this embodiment, the main platform 10, the two turnover platforms 30 and the two telescopic platforms 50 are provided collinearly, and the straight line formed is the length direction of the turnover working platform and the width direction of the roadway, so as to ensure the coverage area of the roadway. Of course, the number of the turnover platforms 30 and the telescopic platforms 50 can also be increased or decreased as needed. For example, only a turnover platform 30 and a telescopic platform 50 are provided on one side of the main platform 10, or a telescopic platform 50 is added on one side of the turnover platform 30 moving forward or backward toward the tunneling device. In this embodiment, the turnover working platform further comprises a rotating assembly 60. The main platform 10 is provided in a concave structure. The rotating assembly 60 is installed at the notch of the concave structure, and is connected to both the main platform 10 and the machine body 70. The rotating assembly 60 drives the main platform 10 to rotate relative to the machine body 70, so as to adjust the height of the turnover working platform. Preferably, the turnover actuator 20 and the telescopic actuator 40 are hydraulic actuators. The movement of the turnover platform 30 and the telescopic platform 50 is driven by a hydraulic oil cylinder. The power system may be the power system of the tunneling device. The J hydraulic actuator is simple, stable and reliable in structure. The turnover platform 30 and the telescopic platform 50 can be locked at the adjusted position. Since two turnover platforms 30 and two telescopic platforms 50 are provided in this embodiment, four pairs of turnover actuators 20 and telescopic actuators 40 are respectively provided in which each two of the turnover actuators 20 and the telescopic actuators 40 form a pair. Both sides of each turnover platform 30 are connected to a turnover actuator 20, respectively. Both sides of each telescopic platform 50 are connected to telescopic actuator 40, respectively, so as to ensure the stability and reliability of driving. Of course, the number and installation positions of the turnover actuator 20 and the telescopic actuator 40 can also be changed according to needs. In this embodiment, the turnover working platform further comprises a control system J connected to the turnover actuator 20, the telescopic actuator 40 and the rotating assembly 60. The control system comprises a hydraulic system, an electrical system, etc. The control system controls the actions of the turnover actuator 20, the telescopic actuator 40 and the rotating assembly 60 to control the positions of the main platform 10, the turnover platform 30 and the telescopic platform 50. The turnover working platform of this embodiment can be installed on various tunneling devices such as a tunneller, a roadheader, etc., and has a wide range of use. This embodiment further provides a tunneling device, comprising a machine body 70 and the turnover working platform described above, wherein the turnover working platform is installed at a cutting part of the machine body 70. When the turnover working platform is not used, the turnover working platform is retracted and its size is not greater than the size of the cutting part. It should be noted that the term "a plurality of' in the above embodiments refers to at least two. From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects.
1. The problem of inconvenient construction in the roadway by the construction workers in the prior art is solved. 2. The platform has a large area, and the staff can perform bolt, cable construction, steel belt placing, net laying net laying, etc. on the turning working platform, which has a wide range of application, high efficiency and good safety. 3. The height, length and turning angle can be adjusted and locked arbitrarily, and can be applied to roadways of various sizes. 4. When not in use, the turnover working platform can be retracted to a very small volume, which can be closely attached to the cutting part of the tunneling device, without affecting the J use of the tunneling device. 5. A hydraulic oil cylinder is used for driving, the power system is the power system of the tunneling device, and the structure is simple. 6. The turnover working platform can be installed on various tunneling devices such as a tunneller, a roadheader, etc., and has a wide range of use. Obviously, the embodiments described above are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention. It should be noted that the term used here is only for describing specific embodiments, and J is not intended to limit exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "including" and/or "comprising" are used in this specification, it indicates the presence of features, steps, operations, devices, components, and/or the combination thereof. It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, there may be various modifications and changes in the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (5)
1. A turnover working platform, comprising:
a main platform, which is rotatably provided relative to the machine body of the tunneling device;
a turnover actuator, which is connected to the main platform;
a turnover platform, which is rotatably connected to the main platform, wherein the turnover actuator is in a driving connection with the turnover platform and drives the turnover platform to rotate relative to the main platform;
Sa telescopic actuator, which is connected to the turnover platform;
a telescopic platform, which is telescopically connected to the turnover platform and rotates synchronously with the turnover platform, wherein the telescopic actuator is in a driving connection with the telescopic platform and drives the telescopic platform to extend out of or retract into the turnover platform to change the size of the receiving area formed by the turnover platform and the telescopic platform.
2. The turnover working platform according to claim 1, wherein there are a plurality of turnover platforms, and each of the turnover platforms is provided on opposite sides of the main platform.
3. The turnover working platform according to claim 1, wherein the turnover working platform J further comprises a rotating assembly, the rotating assembly is connected to the main platform and is connected to the machine body, and the rotating assembly drives the main platform to rotate relative to the machine body.
4. The turnover working platform according to claim 1, wherein the turnover working platform further comprises a control system connected to the turnover actuator and the telescopic actuator, and the control system controls the actions of the turnover actuator and the telescopic actuator to control the positions of the turnover platform and the telescopic platform.
5. A tunneling device, comprising a machine body and the turnover working platform according to any one of claims 1 to 4, wherein the turnover working platform is installed at a cutting part of the machine body.
FIG. 2 FIG. 1 DRAWINGS
FIG. 3
FIG. 4
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921462974.6U CN210598982U (en) | 2019-09-04 | 2019-09-04 | Overturning working platform and tunneling equipment |
CN201921462974.6 | 2019-09-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2020102656A4 true AU2020102656A4 (en) | 2020-12-10 |
Family
ID=70686596
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2020102656A Active AU2020102656A4 (en) | 2019-09-04 | 2020-07-03 | Turnover working platform and tunneling device |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN210598982U (en) |
AU (1) | AU2020102656A4 (en) |
WO (1) | WO2021042858A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN210598982U (en) * | 2019-09-04 | 2020-05-22 | 廊坊景隆重工机械有限公司 | Overturning working platform and tunneling equipment |
CN112761659A (en) * | 2020-12-28 | 2021-05-07 | 中国煤炭科工集团太原研究院有限公司 | Telescopic platform device |
CN114623738A (en) * | 2022-03-10 | 2022-06-14 | 中铁上海工程局集团有限公司 | Tunnel walking type powder charging trolley |
CN116201562B (en) * | 2023-03-08 | 2023-10-24 | 廊坊景隆重工机械有限公司 | Working platform for fan-shaped linkage unfolding |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3515011A1 (en) * | 1985-04-25 | 1986-10-30 | KBI Klöckner-Becorit Industrietechnik GmbH, 4224 Hünxe | Multi-purpose scaffold for through-building works underground |
CN203362174U (en) * | 2013-06-01 | 2013-12-25 | 安徽恒源煤电股份有限公司钱营孜煤矿 | Operation platform for coal mine roadway shed erection |
CN207715163U (en) * | 2018-01-09 | 2018-08-10 | 中交城市轨道交通设计研究院有限公司 | A kind of fabricated construction assembly sliding contact formula movement supporting platform |
CN109899095B (en) * | 2019-03-04 | 2020-08-04 | 湖南生物机电职业技术学院 | Multi-platform arch-erecting vehicle |
CN110080791B (en) * | 2019-05-14 | 2024-06-14 | 中国铁建重工集团股份有限公司 | Small-diameter tunnel boring machine |
CN210598982U (en) * | 2019-09-04 | 2020-05-22 | 廊坊景隆重工机械有限公司 | Overturning working platform and tunneling equipment |
-
2019
- 2019-09-04 CN CN201921462974.6U patent/CN210598982U/en active Active
-
2020
- 2020-07-03 AU AU2020102656A patent/AU2020102656A4/en active Active
- 2020-07-03 WO PCT/CN2020/100121 patent/WO2021042858A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CN210598982U (en) | 2020-05-22 |
WO2021042858A1 (en) | 2021-03-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2020102656A4 (en) | Turnover working platform and tunneling device | |
AU2020210418B2 (en) | Six-Arm Tunneling and Anchoring Machine for Integrating Tunneling and Anchoring | |
AU2018286068B2 (en) | Auxiliary transportation and support system used after rapid excavation | |
CN107060749B (en) | Tunneling and anchoring integrated fully-mechanized excavating machine adopting 4 anchor rod drilling machine advanced anchor protection | |
CN106837334B (en) | A kind of anchor combined machine set system of full-mechanized roadway multi rack automatic moving type branch | |
CN112253160B (en) | Complete equipment for quick tunneling, drilling and anchoring without repeated support under coal mine | |
CN111594048A (en) | Shield type anchor rod trolley with split type operation platform | |
CN104533286A (en) | Anchor pole and anchor rope drill carriage with narrow machine body | |
AU2022383218A1 (en) | Bolter miner and tunnelling system | |
CN210370624U (en) | Six-arm tunneling and anchoring machine integrating tunneling and anchoring | |
EP2885500B1 (en) | Mesh handling apparatus and related methods | |
CN216197836U (en) | Airborne drilling machine system and cantilever type digging and anchoring machine | |
CN110905406A (en) | Multifunctional impact type hydraulic drill carriage suitable for rock roadway working face construction | |
CN113898362A (en) | Cantilever type digging and anchoring machine and anchor rod supporting method | |
CN204691807U (en) | Fully-mechanized mining working synchronously expands side and installs support system | |
US3621661A (en) | Mine roof supports | |
CN204511432U (en) | A kind of four drill boom formula pick anchor all-in-ones | |
CN104863599A (en) | Fully-mechanized mining face synchronous slope expansion and installation method and supporting system | |
CN201606075U (en) | Digging protection machinery | |
CN110578530A (en) | hard rock tunneling equipment and process based on auxiliary hydraulic rock drilling | |
CN109736801B (en) | Tunneling and anchoring integrated machine | |
CN211081696U (en) | Anchor rod trolley | |
CN210141146U (en) | Narrow body rotary four-arm jumbolter for coal mine | |
CN210440064U (en) | Walking type supporting system for arch-shaped roadway excavation | |
CN114673518B (en) | Tunneling, anchoring and supporting integrated machine and roadway anchoring and supporting construction method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FGI | Letters patent sealed or granted (innovation patent) | ||
HB | Alteration of name in register |
Owner name: HE BEI JING LONG INTELLIGENT EQUIPMENT CO. LTD Free format text: FORMER NAME(S): LANGFANG JINGLONG HEAVY INDUSTRY MACHINERY CO., LTD. |