CN211342985U - Coal seam mining crossheading roadway support device for crossing random roof - Google Patents
Coal seam mining crossheading roadway support device for crossing random roof Download PDFInfo
- Publication number
- CN211342985U CN211342985U CN202020117495.7U CN202020117495U CN211342985U CN 211342985 U CN211342985 U CN 211342985U CN 202020117495 U CN202020117495 U CN 202020117495U CN 211342985 U CN211342985 U CN 211342985U
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- China
- Prior art keywords
- shaped steel
- shed
- roof
- coal seam
- supporting
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Abstract
The utility model discloses a supporting device for the coal seam mining crossheading to cross the random roof; belongs to the technical field of underground coal mine support; the shed is characterized by comprising a plurality of first upper I-shaped steel beams and second upper I-shaped steel beams which are newly staggered with each other, wherein lower I-shaped steel beams are fixedly arranged at the bottoms of the first upper I-shaped steel beams and the second upper I-shaped steel beams, and shed legs are arranged at two ends of the bottom of each second upper I-shaped steel beam and at the bottom of each lower I-shaped steel beam; rotating shafts are fixedly arranged on two sides of each shed leg, one ends of the rotating shafts, far away from the shed legs, are provided with a plurality of mounting grooves, springs are fixedly arranged in the mounting grooves, one ends of the springs are fixedly connected with the inner walls of the mounting grooves, the other ends of the springs are fixedly connected with mounting columns, and hemispherical damping blocks are fixedly arranged at the end parts of the mounting columns; the utility model discloses need not to carry out frequent dismouting to the canopy leg during in-service use, the in-service use operational volume is less, and is more convenient.
Description
The technical field is as follows:
the utility model relates to a colliery is in the pit and is protected technical field, in particular to coal seam exploitation crossheading lane crosses indiscriminate top supporting device.
Background art:
in the process of mining a coal mine underground short-distance coal seam, because the top plate of the gateway sinks and the distance between layers in the crushing range is small, reinforcing type supporting cannot be carried out, and supporting type supporting can only be adopted.
However, the existing supporting type supporting device still has some defects in actual use, for example, in order to facilitate mining, the shed legs need to be frequently installed and removed in the using process, and the supporting type supporting device is complex in actual use and large in operation amount.
Therefore, the invention is needed to solve the problems by inventing a supporting device for passing the scattered roof of the coal mining gate roadway.
The utility model has the following contents:
an object of the utility model is to provide a coal seam exploitation crossheading roadway is crossed indiscriminate top and is supported device to support formula supporting device still has some shortcomings when solving prior art when in-service use, if for the convenience of exploitation, consequently in the use, its needs frequent installation and the demolishment of carrying out the canopy leg, and is comparatively loaded down with trivial details during in-service use, the great not enough of handling capacity.
The utility model discloses by following technical scheme implement: a coal seam mining crossheading top-crossing support device comprises a plurality of first upper I-shaped steel beams and second upper I-shaped steel beams which are newly staggered with each other, wherein lower I-shaped steel beams are fixedly arranged at the bottoms of the first upper I-shaped steel beams and the second upper I-shaped steel beams, and shed legs are arranged at two ends of the bottom of each second upper I-shaped steel beam and at the bottom of each lower I-shaped steel beam;
rotating shafts are fixedly arranged on two sides of each shed leg, one ends of the rotating shafts, far away from the shed legs, are provided with a plurality of mounting grooves, springs are fixedly arranged in the mounting grooves, one ends of the springs are fixedly connected with the inner walls of the mounting grooves, the other ends of the springs are fixedly connected with mounting columns, and hemispherical damping blocks are fixedly arranged at the end parts of the mounting columns;
all seted up the holding tank on I-shaped girder steel and the I-shaped girder steel inner wall down on the second, a plurality of hemispherical damping grooves have been seted up on the lateral wall that the opening part was kept away from to the holding tank, hemispherical damping groove and hemispherical damping piece adaptation.
Preferably, the mounting grooves and the hemispherical damping grooves are distributed annularly.
Preferably, the bearings are fixedly nested on the inner walls of the second upper I-shaped steel beam and the lower I-shaped steel beam, and the bearings are fixedly sleeved and arranged on the outer side of the rotating shaft.
Preferably, one side of the top of the shed leg is provided with an arc-shaped smooth surface.
Preferably, the fixed cover in canopy leg outside middle part is provided with the rubber and grips the cover, many anti-skidding recesses have evenly been seted up from bottom to top in the rubber grip cover outside.
Preferably, the bottom of the outer side of the shed leg is fixedly sleeved with a rubber supporting sleeve, and the bottom of the rubber supporting sleeve is fixedly provided with a hemispherical supporting block.
The utility model has the advantages that:
1. the utility model discloses an utilize the rotation axis to go up I-shaped steel roof beam and lower I-shaped steel roof beam on the second and be connected with the shed leg to when the shed leg influences the coal-winning machine and cuts coal, can rotate the shed leg, and then pack up the shed leg to the horizontality, after the coal mining is accomplished, can also be comparatively convenient restore the shed leg, compare in prior art the same type product, the utility model discloses need not to carry out frequent dismouting to the shed leg during the in-service use, the actual use operand is less, and is more convenient;
2. the utility model discloses a be provided with anti-skidding recess to when the user grips the cover to rubber and stimulates, anti-skidding recess can play skid-proof effect, and then makes the user can more effectual messenger's shed leg take place to rotate.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the utility model discloses I-shaped steel roof beam side sectional structure sketch map down.
Fig. 3 is an enlarged schematic structural diagram of a portion a in fig. 2 according to the present invention.
Fig. 4 is the front sectional structural schematic view of the lower i-shaped steel beam of the utility model.
In the figure: 1. a first upper i-beam; 2. a second upper i-beam; 3. a lower I-shaped steel beam; 4. shed legs; 5. a rotating shaft; 6. mounting grooves; 7. a spring; 8. mounting a column; 9. a hemispherical damping block; 10. accommodating grooves; 11. a hemispherical damping groove; 12. a bearing; 13. a rubber grip cover; 14. an anti-slip groove; 15. a rubber support sleeve; 16. a hemispherical supporting block; 17. an arc smooth surface.
The specific implementation mode is as follows:
the technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description. Any feature disclosed in this specification (including any accompanying claims-abstract and drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Before describing the embodiments, some necessary terms need to be explained. For example:
if the use of the terms first, second, etc. appear in this application to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. Thus, a "first" element discussed below could also be termed a "second" element without departing from the teachings of the present invention. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" or "directly coupled" to another element, there are no intervening elements present.
The various terms appearing in this application are used for the purpose of describing particular embodiments only and are not intended as limitations on the invention, except where the context clearly dictates otherwise, the singular is intended to include the plural as well.
When the terms "comprises" and/or "comprising" are used in this specification, these terms specify the presence of stated features-integers-steps-operations-elements and/or components, but do not preclude the presence and/or addition of one or more other features-integers-steps-operations-elements-components and/or groups thereof.
The utility model provides a coal seam mining crossheading lane crosses indiscriminate top supporting device as shown in fig. 1-4, including I-steel roof beam 2 on I-steel roof beam 1 and the second on a plurality of crisscross settings of each other, I-steel roof beam 3 under I-steel roof beam 2 bottom fixed settings on I-steel roof beam 1 and the second on the first, I-steel roof beam 2 bottom both ends and 3 bottoms of lower I-steel roof beam all set up the canopy leg 4 that is used for carrying out the support on the second, as shown in fig. 1.
As shown in fig. 2 and 3, rotation shafts 5 are fixedly arranged on two sides of each shed leg 4, one end, far away from the shed legs 4, of each rotation shaft 5 is provided with a plurality of mounting grooves 6, springs 7 are fixedly arranged inside the mounting grooves 6, one ends of the springs 7 are fixedly connected with the inner walls of the mounting grooves 6, mounting columns 8 are fixedly connected to the other ends of the springs 7, and hemispherical damping blocks 9 are fixedly arranged at the end portions of the mounting columns 8.
Simultaneously, all seted up holding tank 10 on I-steel roof beam 2 and the 3 inner walls of I-steel roof beam down on the second, holding tank 10 has been kept away from and has been seted up a plurality of hemispherical damping grooves 11 on the lateral wall of opening part, a plurality of mounting grooves 6 and a plurality of hemispherical damping grooves 11 all are the annular and distribute, hemispherical damping groove 11 and hemispherical damping piece 9 adaptation, so that in the rotatory back of canopy leg 4, hemispherical damping groove 11 cooperatees with hemispherical damping piece 9, make canopy leg 4 can't rotate under the circumstances of not exerting external force.
In addition, bearings 12 are fixedly arranged on the inner walls of the second upper I-shaped steel beam 2 and the lower I-shaped steel beam 3 in a nested mode, and the bearings 12 are fixedly arranged on the outer side of the rotating shaft 5 in a sleeved mode.
As shown in fig. 4, an arc-shaped smooth surface 17 is formed on one side of the top of the shed leg 4, so that the shed leg 4 does not collide with the inner walls of the second upper i-beam 2 and the lower i-beam 3 when rotating.
Simultaneously, 4 outside middle parts of canopy leg are fixed to be cup jointed and are set up rubber and grip cover 13, and many anti-skidding recesses 14 have evenly been seted up in the rubber grip cover 13 outside from bottom to top to the user is when gripping cover 13 to rubber and spur, and anti-skidding recess 14 can play skid-proof effect, and then makes the user can more effectually make canopy leg 4 take place the rotation.
In addition, the bottom of the outer side of the shed leg 4 is fixedly sleeved with a rubber supporting sleeve 15, and the bottom of the rubber supporting sleeve 15 is fixedly provided with a hemispherical supporting block 16 for contacting with the ground.
The specific use method of the coal seam mining crossheading top-disturbing supporting device comprises the following steps:
in the mining process, when the shed legs 4 close to the working face side affect coal cutting of the coal mining machine, the rubber holding sleeves 13 are held at first, then the shed legs 4 are pulled towards the direction close to the arc-shaped smooth surface 17, at the moment, the shed legs 4 rotate by taking the rotating shaft 5 as the axis, and an operator can rotate the shed legs 4 to be in a horizontal state;
when the shed legs 4 rotate, the shed legs 4 drive the rotating shaft 5 to synchronously rotate, when the rotating shaft 5 rotates, the rotating shaft 5 drives the hemispherical damping blocks 9 to rotate through the mounting columns 8, at the moment, the inner walls of the hemispherical damping grooves 11 and the outer walls of the hemispherical damping blocks 9 slide relatively, the hemispherical damping blocks 9 firstly slide out of the current hemispherical damping grooves 11 in the rotating process of the rotating shaft 5 and then slide into the next hemispherical damping groove 11 to limit the rotating shaft 5, and therefore the rotating shaft 5 cannot rotate under the condition of no external force;
after the shed legs 4 are folded, the coal mining operation can be carried out on the current working face.
In other technical features in this embodiment, those skilled in the art can flexibly select the technical features according to actual situations to meet different specific actual requirements. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the invention. In other instances, well-known components, structures or parts are not described in detail in order to avoid obscuring the present invention, and the technical scope of the present invention is defined by the claims.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed" - "mounted" - "connected" are used in a broad sense and should be understood broadly by those skilled in the art. For example, the components may be fixedly connected, movably connected, integrally connected, or partially connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected inside two elements, and the like, and for those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations, that is, the expression of the language and the implementation of the actual technology can flexibly correspond, and the expression of the language (including the drawings) of the specification of the present invention does not constitute any single restrictive interpretation of the claims.
Modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, which should be limited only by the claims appended hereto. In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the invention. In other instances, well-known techniques, such as specific construction details, operating conditions, and other technical conditions, have not been described in detail in order to avoid obscuring the present invention.
Claims (6)
1. The utility model provides a coal seam mining crossheading lane crosses indiscriminate top support device which characterized in that: the shed comprises a plurality of first upper I-shaped steel beams (1) and second upper I-shaped steel beams (2) which are newly staggered with each other, wherein lower I-shaped steel beams (3) are fixedly arranged at the bottoms of the first upper I-shaped steel beams (1) and the second upper I-shaped steel beams (2), and shed legs (4) are arranged at two ends of the bottom of each second upper I-shaped steel beam (2) and the bottom of each lower I-shaped steel beam (3);
rotating shafts (5) are fixedly arranged on two sides of the shed legs (4), a plurality of mounting grooves (6) are formed in one ends, far away from the shed legs (4), of the rotating shafts (5), springs (7) are fixedly arranged inside the mounting grooves (6), one ends of the springs (7) are fixedly connected with the inner walls of the mounting grooves (6), mounting columns (8) are fixedly connected to the other ends of the springs (7), and hemispherical damping blocks (9) are fixedly arranged at the end portions of the mounting columns (8);
all seted up holding tank (10) on I-steel roof beam (2) and lower I-steel roof beam (3) inner wall on the second, a plurality of hemispherical damping grooves (11) have been seted up on holding tank (10) the lateral wall of keeping away from the opening part, hemispherical damping groove (11) and hemispherical damping piece (9) adaptation.
2. The device for supporting the passing of the scattered roof of the coal seam mining gate roadway according to claim 1, wherein: the mounting grooves (6) and the hemispherical damping grooves (11) are distributed annularly.
3. The device for supporting the passing of the scattered roof of the coal seam mining gate roadway according to claim 1, wherein: all fixed nestification is provided with bearing (12) on I-steel roof beam (2) and lower I-steel roof beam (3) inner wall on the second, bearing (12) fixed cup joint sets up in rotation axis (5) outside.
4. The device for supporting the passing of the scattered roof of the coal seam mining gate roadway according to claim 1, wherein: an arc smooth surface (17) is arranged on one side of the top of the shed leg (4).
5. The device for supporting the passing of the scattered roof of the coal seam mining gate roadway according to claim 1, wherein: the middle part of the outer side of the shed leg (4) is fixedly sleeved with a rubber holding sleeve (13), and a plurality of anti-skidding grooves (14) are uniformly formed in the outer side of the rubber holding sleeve (13) from bottom to top.
6. The device for supporting the passing of the scattered roof of the coal seam mining gate roadway according to claim 1, wherein: the bottom of the outer side of the shed leg (4) is fixedly sleeved with a rubber supporting sleeve (15), and the bottom of the rubber supporting sleeve (15) is fixedly provided with a hemispherical supporting block (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020117495.7U CN211342985U (en) | 2020-01-18 | 2020-01-18 | Coal seam mining crossheading roadway support device for crossing random roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020117495.7U CN211342985U (en) | 2020-01-18 | 2020-01-18 | Coal seam mining crossheading roadway support device for crossing random roof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211342985U true CN211342985U (en) | 2020-08-25 |
Family
ID=72135606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020117495.7U Expired - Fee Related CN211342985U (en) | 2020-01-18 | 2020-01-18 | Coal seam mining crossheading roadway support device for crossing random roof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211342985U (en) |
-
2020
- 2020-01-18 CN CN202020117495.7U patent/CN211342985U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200825 Termination date: 20210118 |