CN210919094U - Coal mining roadway supporting device - Google Patents
Coal mining roadway supporting device Download PDFInfo
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- CN210919094U CN210919094U CN201922116712.0U CN201922116712U CN210919094U CN 210919094 U CN210919094 U CN 210919094U CN 201922116712 U CN201922116712 U CN 201922116712U CN 210919094 U CN210919094 U CN 210919094U
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Abstract
The utility model relates to the technical field of coal mining auxiliary equipment, in particular to a coal mining roadway supporting device, which comprises supporting units connected in sequence, wherein each supporting unit comprises two symmetrically-installed supporting columns, arc-shaped supporting plates are installed at the top ends of the two supporting columns, and bottom plates are welded at the bottom ends of the two supporting columns; a supporting beam is arranged at the joint of the arc-shaped supporting and protecting plate and the supporting column, a reinforcing supporting assembly is arranged between the supporting beam and the arc-shaped supporting and protecting plate, and the bottom end of the supporting beam is supported on the supporting column through a truss; and an anti-collision assembly is installed on the inner side of the bottom end of the supporting column. The utility model discloses fully consider tunnel section and country rock to inside reduce the trend of oppression and outside striking impact trend when striking the pillar when coming and going in the pillar in the inherent pillar of transport vechicle, consider from two aspects, realized all having excellent support protecting effect internally and externally.
Description
Technical Field
The utility model relates to a coal mining auxiliary assembly technical field specifically is a coal mining tunnel supporting device.
Background
The coal mining roadway, namely the roadway for forming the coal face and serving the coal face in the coal mining work, is mainly underground mining in China, and a large number of roadways need to be excavated underground, so that the roadway is kept smooth and surrounding rocks are stable by roadway support, and the roadway support has important significance for coal mine construction and production.
The roadway support has the effects of easing and reducing the movement of surrounding rocks, so that the section of the roadway is not excessively reduced, and meanwhile, the detached and damaged surrounding rocks can be prevented from falling off.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coal mining tunnel supporting device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a coal mining roadway supporting device comprises supporting units which are connected in sequence, wherein each supporting unit comprises two symmetrically-installed supporting columns, arc-shaped supporting plates are installed at the top ends of the two supporting columns, and bottom plates are welded at the bottom ends of the two supporting columns;
a supporting beam is arranged at the joint of the arc-shaped supporting and protecting plate and the supporting column, a reinforcing supporting assembly is arranged between the supporting beam and the arc-shaped supporting and protecting plate, and the bottom end of the supporting beam is supported on the supporting column through a truss;
and an anti-collision assembly is installed on the inner side of the bottom end of the supporting column.
As a further aspect of the present invention: the supporting units are connected through inner connecting plates and outer connecting plates, the inner connecting plates are mounted on the inner sides of the supporting columns, the outer connecting plates are mounted on the outer sides of the supporting columns, the inner connecting plates and the outer connecting plates are staggered with each other, and fixing bolts are mounted between the inner connecting plates and the supporting columns and between the outer connecting plates and the supporting columns;
the inner side of the arc-shaped supporting and protecting plate is connected with a top beam.
As a further aspect of the present invention: strengthen supporting component including the bracing strengthening rib that the symmetry set up with directly prop the strengthening rib, the top that directly props the strengthening rib is supported the bottom of back timber, the bottom that directly props the strengthening rib is supported supporting beam's top, two bracing strengthening ribs set up respectively in the both sides that directly prop the strengthening rib.
As a further aspect of the present invention: the pressure-bearing device is characterized in that pressure-bearing sensors are installed on contact surfaces of the inclined strut reinforcing ribs and the straight strut reinforcing ribs and the supporting cross beam, a first alarm is installed on the supporting cross beam, and the first alarm is controlled to be opened based on pressure values received by the pressure-bearing sensors.
As a further aspect of the present invention: the anti-collision assembly comprises an anti-collision plate arranged on the inner side of the supporting column, an elastic plate is arranged on the inner wall of the anti-collision plate, a return spring is connected between the outer wall of the anti-collision plate and the inner wall of the supporting column, and a telescopic rod is arranged in the return spring.
As a further aspect of the present invention: reset spring with install collision avoidance sensor on the contact surface of pillar, the second alarm is installed to the upper end of pillar, the second alarm is based on collision avoidance sensor receives the pressure value and is controlled to open.
Compared with the prior art, the beneficial effects of the utility model are that:
1. according to the coal mining roadway supporting device, the plurality of supporting columns are connected through the inner connecting plate and the outer connecting plate, the plurality of arc-shaped supporting plates are connected through the top beam, the supporting units are prevented from toppling, meanwhile, the inner connecting plate, the outer connecting plate and the top beam also play a role in reinforcing the supporting effect, and the compressive resistance of the supporting columns and the arc-shaped supporting plates is improved;
2. the method comprises the steps that the inclined pressure at the top is loaded through symmetrically distributed inclined supporting reinforcing ribs, the vertical pressure is directly loaded through straight supporting reinforcing ribs, the downward pressure from the top is supported through a supporting beam, the inclined supporting reinforcing ribs and the straight supporting reinforcing ribs, the pressure is transmitted to a pressure bearing sensor at the bottom end through the inclined supporting reinforcing ribs and the straight supporting reinforcing ribs, when the pressure bearing sensor receives a pressure value exceeding a pressure bearing critical value, a first alarm is controlled to be started, early warning is sent through the first alarm, and the attention of coal mining workers is reminded;
3. when the pillar is gone up in the unexpected striking of transport vechicle, contact anticollision board and elastic plate, the anticollision board is as crashproof base member, and the elastic plate can cushion and unload partial impact, is compressed through telescopic link and reset spring, resumes the in-process of deformation at reset spring and further improves crashproof effect, and telescopic link and reset spring give collision sensor with the impact transmission, when the impact exceedes the striking critical value, then control starts the second alarm and reports to the police.
Drawings
In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is a schematic structural view of a coal mining roadway support device.
Fig. 2 is a front view of the coal tunnel supporting apparatus.
In the figure: 1-supporting columns, 2-arc supporting plates, 3-bottom plates, 4-inner connecting plates, 5-outer connecting plates, 6-fixing bolts, 7-top beams, 8-supporting cross beams, 9-diagonal reinforcing ribs, 10-straight supporting reinforcing ribs, 11-pressure-bearing sensors, 12-first alarms, 13-trusses, 14-anti-collision plates, 15-elastic plates, 16-telescopic rods, 17-reset springs, 18-anti-collision sensors and 19-second alarms.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Referring to fig. 1-2, in the embodiment of the present invention, a coal mining roadway supporting device includes supporting units connected in sequence, where the supporting unit includes two symmetrically installed supporting columns 1, an arc-shaped supporting plate 2 is installed at the top ends of the two supporting columns 1, and a bottom plate 3 is welded at the bottom ends of the two supporting columns 1; a supporting beam 8 is arranged at the joint of the arc-shaped supporting plate 2 and the supporting column 1, a reinforcing supporting component is arranged between the supporting beam 8 and the arc-shaped supporting plate 2, and the bottom end of the supporting beam 8 is supported on the supporting column 1 through a truss 13; and an anti-collision assembly is arranged on the inner side of the bottom end of the support column 1.
This coal mining roadway support device fully considers tunnel section and country rock and inwards reduces the trend of oppression and outside striking impact trend when striking pillar 1 in the transport vechicle when coming and going in pillar 1, considers from two aspects, has realized all having excellent support protective effect inside and outside.
When the device is installed, firstly, the height of the supporting column 1 and the diameter of the arc supporting plate 2 are determined according to the length, the width and the height of a roadway, then the number of supporting units is determined, a plurality of supporting units are connected, the arc supporting plate 2 bears the pressure of the top end, the supporting column 1 bears the pressure of the side wall, the pressure of the side wall of a load is enhanced through the supporting cross beam 8, the pressure of the top of the load is enhanced through the enhancing supporting component on the supporting cross beam 8, the impact force of the transportation vehicle impacting the upper supporting column 1 is buffered through the anti-collision component on the inner side, therefore, the supporting effect of the supporting device is improved, and the safe coal mining work is ensured.
Further, the supporting units are connected through an inner connecting plate 4 and an outer connecting plate 5, the inner connecting plate 4 is installed on the inner side of the supporting column 1, the outer connecting plate 5 is installed on the outer side of the supporting column 1, the inner connecting plate 4 and the outer connecting plate 5 are mutually staggered, and fixing bolts 6 are installed between the inner connecting plate 4 and the supporting column 1 and between the outer connecting plate 5 and the supporting column 1; the inner side of the arc-shaped supporting and protecting plate 2 is connected with a top beam 7.
When the installation, couple together a plurality of pillar 1 through internal connection board 4 and external connection board 5 to it is fixed through fixing bolt 6, couple together a plurality of arc backplate 2 through back timber 7, prevent to strut the unit and take place to empty, internal connection board 4, external connection board 5 and back timber 7 have still played the effect of strengthening the effect of strutting simultaneously, have improved the compressive resistance of pillar 1 and arc backplate 2.
Further, strengthen the bracing subassembly including bracing strengthening rib 9 and the straight strengthening rib 10 that props that the symmetry set up, the top that props strengthening rib 10 directly is supported the bottom of back timber 7, the bottom that props strengthening rib 10 directly supports the top of supporting beam 8, two bracing strengthening ribs 9 set up respectively in the both sides that prop strengthening rib 10 directly.
The pressure of the oblique top is loaded through the symmetrically distributed inclined supporting reinforcing ribs 9, the pressure of the vertical direction is directly loaded through the straight supporting reinforcing ribs 10, and the pressure downward from the top is supported through the supporting cross beam 8, the inclined supporting reinforcing ribs 9 and the straight supporting reinforcing ribs 10.
Specifically, the inclined strut reinforcing rib 9 and the straight strut reinforcing rib 10 and the contact surface of the supporting beam 8 are provided with a pressure-bearing sensor 11, the supporting beam 8 is provided with a first alarm 12, and the first alarm 12 is controlled to be turned on based on the pressure value received by the pressure-bearing sensor 11.
Pressure is transmitted to a pressure bearing sensor 11 at the bottom end through the inclined support reinforcing ribs 9 and the straight support reinforcing ribs 10, a pressure bearing critical value is set in a controller (not shown in the figure) in advance, when the pressure bearing sensor 11 receives a pressure value exceeding the pressure bearing critical value, the first alarm 12 is controlled to be started, and early warning is sent out through the first alarm 12 to remind a coal cutter of attention.
Example 2
Referring to fig. 2, in the embodiment of the present invention, the anti-collision assembly includes an anti-collision plate 14 installed inside the supporting column 1, an elastic plate 15 is installed on an inner wall of the anti-collision plate 14, a return spring 17 is connected between an outer wall of the anti-collision plate 14 and the inner wall of the supporting column 1, and a telescopic rod 16 is installed in the return spring 17.
Specifically, reset spring 17 with install collision avoidance sensor 18 on the contact surface of pillar 1, second alarm 19 is installed to the upper end of pillar 1, second alarm 19 is based on collision avoidance sensor 18 receives the pressure value and is controlled to open.
When the transport vehicle accidentally bumps the upper protection column 1, the upper protection column firstly contacts the anti-collision plate 14 and the elastic plate 15, the anti-collision plate 14 serves as an anti-collision base body, part of impact force can be buffered and removed by the elastic plate 15, the elastic plate is compressed through the telescopic rod 16 and the return spring 17, the anti-collision effect is further improved in the process that the return spring 17 recovers deformation, in order to improve the warning effect, an impact critical value is set in the controller in advance, the telescopic rod 16 and the return spring 17 transmit the impact force to the anti-collision sensor 18, and when the impact force exceeds the impact critical value, the second alarm 19 is controlled to be started to give an alarm.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The coal mining roadway supporting device is characterized by comprising supporting units which are connected in sequence, wherein each supporting unit comprises two symmetrically-installed supporting columns (1), arc-shaped supporting plates (2) are installed at the top ends of the two supporting columns (1), and bottom plates (3) are welded at the bottom ends of the two supporting columns (1);
a supporting cross beam (8) is arranged at the joint of the arc-shaped supporting and protecting plate (2) and the supporting and protecting column (1), a reinforcing supporting component is arranged between the supporting cross beam (8) and the arc-shaped supporting and protecting plate (2), and the bottom end of the supporting cross beam (8) is supported on the supporting and protecting column (1) through a truss (13);
and an anti-collision assembly is arranged on the inner side of the bottom end of the supporting column (1).
2. The coal mining roadway support device according to claim 1, wherein the support units are connected through an inner connecting plate (4) and an outer connecting plate (5), the inner connecting plate (4) is installed on the inner side of the support pillar (1), the outer connecting plate (5) is installed on the outer side of the support pillar (1), the inner connecting plate (4) and the outer connecting plate (5) are staggered with each other, and fixing bolts (6) are installed between the inner connecting plate (4) and the support pillar (1) and between the outer connecting plate (5) and the support pillar (1);
the inner side of the arc-shaped supporting and protecting plate (2) is connected with a top beam (7).
3. The coal mining roadway support device according to claim 2, wherein the reinforcing support assembly comprises a diagonal support reinforcing rib (9) and a straight support reinforcing rib (10) which are symmetrically arranged, the top end of the straight support reinforcing rib (10) is supported at the bottom of the top beam (7), the bottom end of the straight support reinforcing rib (10) is supported at the top of the supporting cross beam (8), and the two diagonal support reinforcing ribs (9) are respectively arranged at two sides of the straight support reinforcing rib (10).
4. The coal mining roadway support device according to claim 3, wherein a pressure bearing sensor (11) is installed on a contact surface of the inclined support reinforcing rib (9) and the straight support reinforcing rib (10) and the supporting cross beam (8), a first alarm (12) is installed on the supporting cross beam (8), and the first alarm (12) is controlled to be turned on based on a pressure value received by the pressure bearing sensor (11).
5. The coal mining roadway support device according to any one of claims 1 to 4, wherein the anti-collision assembly comprises an anti-collision plate (14) installed on the inner side of the support pillar (1), an elastic plate (15) is installed on the inner wall of the anti-collision plate (14), a return spring (17) is connected between the outer wall of the anti-collision plate (14) and the inner wall of the support pillar (1), and a telescopic rod (16) is arranged in the return spring (17).
6. The coal mining roadway support device according to claim 5, wherein a collision avoidance sensor (18) is installed on a contact surface of the return spring (17) and the support pillar (1), a second alarm (19) is installed at the upper end of the support pillar (1), and the second alarm (19) is controlled to be turned on based on the fact that the collision avoidance sensor (18) receives a pressure value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922116712.0U CN210919094U (en) | 2019-12-02 | 2019-12-02 | Coal mining roadway supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922116712.0U CN210919094U (en) | 2019-12-02 | 2019-12-02 | Coal mining roadway supporting device |
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| Publication Number | Publication Date |
|---|---|
| CN210919094U true CN210919094U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922116712.0U Expired - Fee Related CN210919094U (en) | 2019-12-02 | 2019-12-02 | Coal mining roadway supporting device |
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| Country | Link |
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| CN (1) | CN210919094U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112679A (en) * | 2020-11-03 | 2020-12-22 | 安徽理工大学 | Multifunctional supporting safety column for mining roadway |
| CN113775355A (en) * | 2021-10-20 | 2021-12-10 | 昆明理工大学 | Rock mass stable type supporting device for rock burst prevention in tunnel excavation and construction method thereof |
| CN114017076A (en) * | 2021-10-11 | 2022-02-08 | 煤炭科学研究总院 | Supporting shed frame with self-locking structure |
| CN115234266A (en) * | 2022-07-08 | 2022-10-25 | 中煤第三建设（集团）有限责任公司 | TBM entry driving machine backplate installation auxiliary device |
-
2019
- 2019-12-02 CN CN201922116712.0U patent/CN210919094U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112679A (en) * | 2020-11-03 | 2020-12-22 | 安徽理工大学 | Multifunctional supporting safety column for mining roadway |
| CN114017076A (en) * | 2021-10-11 | 2022-02-08 | 煤炭科学研究总院 | Supporting shed frame with self-locking structure |
| CN114017076B (en) * | 2021-10-11 | 2022-11-08 | 煤炭科学研究总院有限公司 | Supporting shed frame with self-locking structure |
| CN113775355A (en) * | 2021-10-20 | 2021-12-10 | 昆明理工大学 | Rock mass stable type supporting device for rock burst prevention in tunnel excavation and construction method thereof |
| CN115234266A (en) * | 2022-07-08 | 2022-10-25 | 中煤第三建设（集团）有限责任公司 | TBM entry driving machine backplate installation auxiliary device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 Termination date: 20211202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |