CN220705740U - Tunnel special type unit support - Google Patents
Tunnel special type unit support Download PDFInfo
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- CN220705740U CN220705740U CN202322460194.0U CN202322460194U CN220705740U CN 220705740 U CN220705740 U CN 220705740U CN 202322460194 U CN202322460194 U CN 202322460194U CN 220705740 U CN220705740 U CN 220705740U
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- 238000000034 method Methods 0.000 description 9
- 230000005641 tunneling Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a special unit bracket for a roadway, which comprises two groups of unit brackets, wherein each group of unit brackets comprises a top beam, a stand column, a base, a fixed seat and a hydraulic system; the base is connected with an upright post, the top end of the upright post is hinged with a top beam, a fixed seat is arranged at the upper end of the base and connected with an upper port of the base, the upright post is surrounded in the middle, the top beam comprises a top plate, a large side turning plate and a small side turning plate, the top plate is a rectangular plate, one side of a long side, which is not adjacent to the top plate of the two groups of unit brackets, is hinged with the large side turning plate, one side of a short side of the top plate is hinged with the small side turning plate, side turning jacks are connected between the top plate and the large side turning plate as well as between the lower end surfaces of the top plates of the two groups of unit brackets, and the upper end surfaces of the base are hinged by using tensioning jacks; a pushing jack is arranged between the bases of the two groups of unit brackets, and two ends of the pushing jack are respectively connected with one base. The support can enlarge the support area, and the support safety and the support efficiency are greatly improved.
Description
Technical Field
The utility model belongs to the technical field of hydraulic support of coal mines, and particularly relates to a special unit support for a roadway.
Background
The roadway is an important component part of a production system, is responsible for multiple functions of transportation, ventilation, pedestrians and the like, and is an important work of each mine in safety and effectiveness. Along with the improvement of the mine productivity, the mining intensity is increased, the supporting time is relatively long in the tunneling process, and the tunneling efficiency is low due to the low starting rate of the tunneling machine. At present, in order to rapidly tunneling, progress and benefit of the mine enterprises, temporary support advanced support is abandoned, large-area overhead operation is carried out, serious potential safety hazards exist, life safety of workers is threatened, and the reasons are that the temporary support device is low in efficiency, complex in process and long in frame moving time.
Therefore, the strength of the roadway support needs to be continuously improved, and the use of the roadway hydraulic support is more and more. However, due to the limited cross-sectional size of the roadway, the arrangement and movement of the roadway support are greatly restricted. The unit bracket has the advantages of small volume, high supporting strength, convenient movement, no repeated supporting of the roadway top plate, avoiding the damage of the top plate and the like, and is favored by coal mine enterprises.
The tunnel top plate is deformed under the influence of geological conditions, and the deformed tunnel top plate is inclined left and right and inclined front and back, so that the acting force of the tunnel top plate on the support can have larger lateral component force. The existing roadway support cannot adjust the posture of the top beam from any angle, and the top beam can only keep one posture and has no function of adapting to deformation of a roadway top plate.
Disclosure of Invention
The utility model provides a special unit support for a roadway, which aims to ensure stable and safe movement of a support device in the repeated support and moving process in the roadway, ensure the support effect of a support monomer on a roadway top plate and effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a special unit support for a roadway comprises two groups of unit supports, wherein the two groups of unit supports are hinged side by side, and each group of unit supports comprises a top beam, a stand column, a base, a fixed seat and a hydraulic system; the base is fixedly connected with the upright post, the top end of the upright post is fixedly hinged with the top beam, the fixed seat is arranged at the upper end of the base and is connected with an upper port of the base, and the upright post is surrounded in the middle and is used for fixing the upright post;
the top beam comprises a top plate, a large side turning plate and a small side turning plate, the top plate is a rectangular plate, one side of a long side, which is not adjacent to the top plate, of each of the two groups of unit support plates is hinged with the large side turning plate, one side of a short side of the top plate is hinged with the small side turning plate, and side turning jacks are connected between the top plate and the large side turning plate as well as between the top plate and the small side turning plate and are used for supporting the large side turning plate and the small side turning plate;
the lower end surfaces of the top plates of the two groups of unit brackets and the upper end surfaces of the base are hinged by a tensioning jack, so that the stability of the brackets is improved; and a pushing jack is arranged between the bases of the two groups of unit brackets, and two ends of the pushing jack are respectively hinged with one base for pushing and pulling the two groups of unit brackets to move forwards in a stepping manner.
Further, the tensioning jack is hinged with the top plate or the base through a tensioning trunnion, and the tensioning trunnion is hinged with the top plate or the base.
Further, a pushing trunnion is arranged on the base, the pushing jack is connected with the base through the pushing trunnion, one end of the pushing trunnion is connected with the base, and the other end of the pushing trunnion is connected with the pushing jack.
Furthermore, the stand column is of a telescopic structure, the top beam can be driven to do lifting motion, the top end of the stand column is of a spherical structure, and the top beam can flexibly adjust the supporting angle according to the structure of the roadway top plate.
Further, the base and the top beam are provided with column sockets for connecting and fixing the upright posts.
The support method of the special unit support for the roadway comprises the following steps: conveying the special unit support of the roadway to a roadway to be supported; the upright post of the special unit support of the roadway is driven by the hydraulic system to perform lifting action, so that the top beam is driven to lift, and the top beam is propped against the top plate of the roadway; according to the shape of the tunnel roof, the large side turning plate and the small side turning plate are jacked up by the piston rod of the side turning jack, so that the bracket is adapted to the shape of the tunnel roof, and effective support is formed.
The utility model relates to a method for moving a special unit bracket of a roadway, which comprises the following steps:
(1) The piston rod of the side turning jack of one group of unit brackets is contracted, so that the large side turning plate and the small side turning plate are retracted, the upright post of the small side turning plate is contracted and lowered, and the top beam of the small side turning plate is driven to be lowered and retracted;
(2) Pushing the retracted set of unit brackets forward by means of a pushing jack;
(3) Retracting another set of cell support beams according to the method of step (1);
(4) The other group of unit brackets are pulled to move forwards by the pushing jack;
(5) The support can realize continuous stepping type self-moving through repeated pushing and pulling of the pushing jack.
Compared with the prior art, the utility model has the following beneficial effects: according to the support top beam, the large side turning plate and the small side turning plate are added, so that the support area is enlarged, the support angle can be flexibly adjusted according to the form structure of the roadway top plate, the top can be protected, the side can be protected, and the support safety is greatly improved; the two groups of unit brackets are connected by the tensioning jack, so that the stability of the brackets can be improved, and side turning can be prevented; the two bases are connected by the pushing jack, and universal wheels are arranged below the bases, so that the stepping type self-moving of the support can be easily realized, and the supporting efficiency is improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of the lower end face structure of the top beam of the present utility model.
Fig. 3 is a front longitudinal cross-sectional view of the header of the present utility model.
Fig. 4 is a schematic view of the structure of the upper end surface of the base of the present utility model.
Fig. 5 is a front longitudinal cross-sectional view of the base of the present utility model.
Fig. 6 is a front cross-sectional view of a set of unit brackets of the present utility model.
In the figure: 1. a top beam; 11. a top plate; 12. a large side turning plate; 13. a small side turning plate; 2. a column; 3. a base; 4. a fixing seat; 5. a side turning jack; 6. tensioning the jack; 61. tensioning the trunnion; 7. pushing jack; 71. pushing the trunnion; 8. and (5) a column nest.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present utility model easy to understand, the technical scheme of the present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the special unit bracket for the roadway comprises two groups of unit brackets, wherein the two groups of unit brackets are hinged side by side, and each group of unit brackets comprises a top beam 1, a stand column 2, a base 3, a fixed seat 4 and a hydraulic system; the base 3 is fixedly connected with the upright post 2, the top end of the upright post 2 is fixedly hinged with the top beam 1, the fixed seat 4 is arranged at the upper end of the base 3 and is connected with the upper port of the base 3, and the upright post 2 is surrounded in the middle and is used for fixing the upright post 2;
as shown in fig. 2-3, the top beam 1 comprises a top plate 11, a large rollover plate 12 and a small rollover plate 13, wherein the upper end surface of the top plate 11 is a rectangular plate, one side of a long side, which is not adjacent to the top plate 11, of each group of unit bracket is hinged with the large rollover plate 12, one side of a short side of the top plate is hinged with the small rollover plate 13, and rollover jacks 5 are connected between the top plate 11 and the large rollover plate 12 and between the top plate 11 and the small rollover plate 13 and are used for supporting the large rollover plate 12 and the small rollover plate 13;
as shown in fig. 2-4, the lower end surfaces of the top plates 11 of the two groups of unit brackets and the upper end surfaces of the base 3 are hinged by a tensioning jack 6, so as to increase the stability of the brackets; and a pushing jack 7 is arranged in the middle of the bases 3 of the two groups of unit brackets, and two ends of the pushing jack 7 are respectively connected with one base 3 for pushing and pulling the two groups of unit brackets to move forwards in a stepping way.
As shown in fig. 2 and 4, the top plate 11 and the base 3 are provided with tensioning trunnions 61, one end of each tensioning trunnion 61 is hinged with the top plate 11 or the base 3, the direction of each tensioning trunnion 61 can flexibly rotate, and the other end of each tensioning trunnion 61 is hinged with the tensioning jack 6, so that the tensioning jack 6 can be driven to flexibly rotate.
As shown in fig. 4, the base 3 is provided with a pushing trunnion 71, the pushing jack 7 is connected with the base 3 through the pushing trunnion 71, one end of the pushing trunnion 71 is connected with the base 3, and the other end is connected with the pushing jack 7.
As shown in fig. 6, the upright post 2 is of a telescopic structure, and can drive the top beam 1 to do lifting motion, and the top end of the upright post 2 is of a spherical structure, so that the top beam 1 can flexibly adjust the supporting angle according to the structure of the roadway roof. The base 3 and the top beam 1 are provided with column sockets 8 for connecting and fixing the upright posts 2.
The support method of the special unit support for the roadway comprises the following steps: conveying the special unit support of the roadway to a roadway to be supported; the upright post 2 of the special unit support of the tunnel is driven by a hydraulic system to perform lifting action, so that the top beam 1 is driven to lift, and the top beam 1 is propped against the tunnel roof; according to the shape of the tunnel roof, the large side turning plate 12 and the small side turning plate 13 are jacked up by the piston rod of the side turning jack 5, so that the bracket is adapted to the shape of the tunnel roof, and effective support is formed.
The utility model relates to a method for moving a special unit bracket of a roadway, which comprises the following steps:
(1) The piston rods of the side turning jack 5 of one group of the unit brackets are contracted, so that the large side turning plate 12 and the small side turning plate 13 are retracted, the upright posts 2 of the side turning plate are contracted and lowered, and the top beam 1 of the side turning plate is driven to be lowered and retracted;
(2) Pushing the retracted set of unit brackets forward by means of a pushing jack 7;
(3) Retracting another set of cell support beams 1 according to the method of step (1);
(4) The other group of unit brackets are pulled to move forwards by the pushing jack 7;
(5) The support can realize continuous stepping self-moving through repeated pushing and pulling of the pushing jack 7.
What is not described in detail in this specification is all of the prior art known to those skilled in the art. Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a tunnel special type unit support which characterized in that: the hydraulic system comprises two groups of unit brackets, wherein the two groups of unit brackets are arranged side by side, each group of unit brackets comprises a top beam (1), an upright post (2), a base (3) and a fixed seat (4); the base (3) is fixedly connected with the upright post (2), and the top end of the upright post (2) is fixedly connected with the top beam (1);
the fixed seat (4) is arranged at the upper end of the base (3), is connected with an upper port of the base (3) to enclose the upright post (2) in the middle and is used for fixing the upright post (2);
the top beam comprises a top plate (11), a large side turning plate (12) and a small side turning plate (13), the upper end face of the top plate (11) is rectangular, one side of a non-adjacent long side of the top plate (11) of the two groups of unit brackets is hinged with the large side turning plate (12), the short side of the top plate is hinged with the small side turning plate (13), and side turning jacks (5) are connected between the top plate (11) and the large side turning plate (12) and between the top plate and the small side turning plate (13) and used for supporting the large side turning plate and the small side turning plate;
the lower end surfaces of the top plates (11) of the two groups of unit brackets and the upper end surfaces of the base (3) are hinged by a tensioning jack (6) for increasing the stability of the brackets; and a pushing jack (7) is arranged in the middle of the bases of the two groups of unit brackets, and two ends of the pushing jack (7) are respectively connected with one base (3) for pushing and pulling the two groups of unit brackets to move forwards in a stepping manner.
2. The roadway specialty unit support of claim 1, wherein: the top plate and the base are provided with tensioning trunnions (61), the tensioning jack (6) is hinged with the top plate (11) or the base (3) through the tensioning trunnions (61), one end of each tensioning trunnion (61) is hinged with the top plate (11) or the base (3), and the other end of each tensioning trunnion (61) is hinged with the tensioning jack (6), so that the tensioning jack can flexibly rotate.
3. The roadway specialty unit support of claim 1, wherein: the base (3) is provided with a pushing trunnion (71), and the pushing jack (7) is connected with the base (3) through the pushing trunnion (71).
4. The roadway specialty unit support of claim 1, wherein: the upright post (2) is of a telescopic structure and can drive the top beam (1) to do lifting movement; the top end of the upright post (2) is of a spherical structure, so that the top beam (1) can flexibly adjust the supporting angle according to the structure of the roadway top plate.
5. The roadway specialty unit support of claim 1, wherein: the base (3) and the top beam (1) are provided with column sockets (8) for connecting and fixing the upright posts (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322460194.0U CN220705740U (en) | 2023-09-11 | 2023-09-11 | Tunnel special type unit support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322460194.0U CN220705740U (en) | 2023-09-11 | 2023-09-11 | Tunnel special type unit support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220705740U true CN220705740U (en) | 2024-04-02 |
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ID=90440794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322460194.0U Active CN220705740U (en) | 2023-09-11 | 2023-09-11 | Tunnel special type unit support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220705740U (en) |
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2023
- 2023-09-11 CN CN202322460194.0U patent/CN220705740U/en active Active
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