CN209780926U - Coal mining anti-collapse support - Google Patents
Coal mining anti-collapse support Download PDFInfo
- Publication number
- CN209780926U CN209780926U CN201920437513.7U CN201920437513U CN209780926U CN 209780926 U CN209780926 U CN 209780926U CN 201920437513 U CN201920437513 U CN 201920437513U CN 209780926 U CN209780926 U CN 209780926U
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- China
- Prior art keywords
- support
- coal mining
- mount pad
- hydraulic cylinder
- mounting seat
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Abstract
The utility model discloses a coal mining collapse-proof support, which comprises a first support, a second support, a first mounting seat and a second mounting seat, wherein the first support, the second support and the first mounting seat are all connected through a rotating shaft, and the contact end of the first support and the ground can be rotatably provided with a lower support, the movable end of the second support connected with the first mounting seat can be rotatably provided with an upper support, the utility model discloses a first hydraulic cylinder and a second hydraulic cylinder are arranged, the first hydraulic cylinder plays a role of expanding the first support and the second support, thereby ensuring that the whole device is fixedly attached to the inner wall side surface of a mine tunnel, the piston of the second hydraulic cylinder adjusts and drives a telescopic rod to perform telescopic motion, the position of a support plate is changed, thereby corresponding to mine tunnels with different heights, the top end of the inner wall of the mine tunnel plays a supporting role, the device is used with the mine tunnel, and the occupied space is smaller, the in-out operation of workers is not influenced.
Description
Technical Field
The utility model relates to a coal mining technical field, in particular to coal mining prevents support that collapses.
Background
The coal mine is an area where people mine coal resources in a coal-rich mining area, and is generally divided into a minery coal mine and an open pit coal mine, when a coal seam is far away from the ground surface, coal is generally selected to be excavated to an underground excavation roadway, so that the minery coal mine is the coal mine, most of the coal mines in China belong to the minery coal mine, the coal mine range comprises a large area of the ground, the underground and related facilities, and the coal mine is a reasonable space excavated by people when the coal-rich geological layer is excavated and generally comprises a roadway, a pit, an excavation face and the like.
The utility model relates to a coal mining support that collapses is now related to, and traditional support supports from the middle part of ore deposit way, blocks staff's business turn over operation to a certain extent, reduces work efficiency, and the support is when supporting the work simultaneously, and the area of support of both sides is less about it, can make the holding power concentrate on a bit, causes the pressure of support too big, influences its life when unstable inadequately, for this reason, we propose a coal mining support that collapses.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a coal mining prevents support that collapses can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The utility model provides a coal mining collapse prevention support, includes first support, second support, first mount pad and second mount pad, first support, second support and first mount pad all are connected through the pivot, and the rotatable formula of the contact jaw on first support and ground installs the undersetting, the rotatable formula of expansion end that the second support is connected with first mount pad is installed the upper bracket, be connected through setting up first telescopic link and second telescopic link between first mount pad and the second mount pad, the bearing frame has all been welded to one side of first support, second support and first telescopic link, and installs first pneumatic cylinder and second pneumatic cylinder between two adjacent bearing frames respectively, the backup pad is installed through the rotatable formula of pivot in one side of second mount pad, and the top of backup pad has a plurality of antiskid ribbed slabs through setting up locking bolt fixed mounting.
preferably, the first support and the second support are both arc-shaped hollow plate structures.
preferably, two ends of the first hydraulic cylinder are respectively located at the middle positions of the first support and the second support, and two ends of the second hydraulic cylinder are respectively located at the middle position of the second support and two thirds of the position of the second telescopic rod.
preferably, the specifications of the upper support and the lower support are the same, and anti-skid grains are arranged at the contact ends of one side of the upper support and one side of the lower support and the coal mine face.
Preferably, the first telescopic rods are located in the middle of the first mounting seat and the second mounting seat, and the second telescopic rods are arranged in two groups and symmetrically arranged at two sides of the first telescopic rods.
Preferably, the cross section of the antiskid plate is of an arc-shaped tooth-shaped structure, a rubber pad is arranged between the antiskid plate and the support plate, and the thickness of the rubber pad is 1-2.5 cm.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. By arranging the first hydraulic cylinder and the second hydraulic cylinder, the first hydraulic cylinder plays a role in expanding the first support and the second support, so that the integral device is ensured to be attached and fixed on the side surface of the inner wall of the mine tunnel, and the piston of the second hydraulic cylinder adjusts to drive the telescopic rod to perform telescopic motion, so that the position of the supporting plate is changed, the mine tunnels with different heights are met, and the top end of the inner wall of the mine tunnel is supported;
2. Through the arrangement of the first telescopic rod and the second telescopic rod, the second hydraulic cylinder drives the first telescopic rod to perform telescopic motion, meanwhile, the second telescopic rod is kept in the same motion state as the first telescopic rod, the two second telescopic rods play a limiting role, the stability between the first mounting seat and the second mounting seat is enhanced, and the axial deflection between the two mounting seats is avoided;
3. Through the antiskid ribbed tile and the rubber pad that set up, curved antiskid ribbed tile plays support and skid-proof effect with the inner wall top direct contact of ore deposit way, and when simultaneously with the contact of the ore deposit way inner wall of unevenness, the rubber pad makes antiskid ribbed tile and ore deposit way inner wall hug closely through deformation, has improved the stability of device when being in supported condition.
drawings
FIG. 1 is an overall structure diagram of the anti-collapse support for coal mining of the utility model;
Fig. 2 is an enlarged view of a partial structure a of fig. 1 of the coal mining collapse prevention support of the present invention;
Fig. 3 is the utility model relates to a coal mining prevents first mount pad and the local structure sketch of second mount pad of support that collapses.
In the figure: 1. a first bracket; 2. a second bracket; 3. a first mounting seat; 4. a first hydraulic cylinder; 5. a second hydraulic cylinder; 6. a lower support; 7. an upper support; 8. a bearing seat; 9. a second telescopic rod; 10. a support plate; 11. an anti-skid plate; 12. a rubber pad; 13. locking the bolt; 14. a first telescopic rod; 15. and a second mounting seat.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-3, a coal mining anti-collapse support comprises a first support 1, a second support 2, a first mounting seat 3 and a second mounting seat 15, wherein the first support 1, the second support 2 and the first mounting seat 3 are all connected through a rotating shaft, a lower support 6 is rotatably arranged at the contact end of the first support 1 and the ground, an upper support 7 is rotatably arranged at the movable end of the second support 2 connected with the first mounting seat 3, the first mounting seat 3 is connected with the second mounting seat 15 through a first telescopic rod 14 and a second telescopic rod 9, bearing seats 8 are welded at one sides of the first support 1, the second support 2 and the first telescopic rod 14, a first hydraulic cylinder 4 and a second hydraulic cylinder 5 are respectively arranged between two adjacent bearing blocks 8, a supporting plate 10 is rotatably arranged at one side of a second mounting seat 15 through a rotating shaft, and a plurality of anti-skid plates 11 are fixedly arranged at the top end of the support plate 10 through arranging locking bolts 13.
As shown in fig. 1, the first bracket 1 and the second bracket 2 are both of an arc-shaped hollow plate structure.
as shown in fig. 1, two ends of the first hydraulic cylinder 4 are respectively located at the middle positions of the first support 1 and the second support 2, and two ends of the second hydraulic cylinder 5 are respectively located at the middle position of the second support 2 and two thirds of the position of the second telescopic rod 9.
As shown in figure 1, the specifications of the upper support 7 and the lower support 6 are the same, and anti-slip grains are arranged at one side of each of the upper support 7 and the lower support 6 and at the contact end of the coal mine face, so that looseness is avoided when the first support 1 and the second support 2 are attached.
Through adopting foretell technical scheme, set up first pneumatic cylinder 4 and second pneumatic cylinder 5, first pneumatic cylinder 4 plays the effect that struts first support 1 and second support 2 to guarantee that the whole device depends on being fixed in the inner wall side of ore deposit way, and the piston of second pneumatic cylinder 5 is adjusted and is driven the telescopic link and take place concertina movement, changes the position of backup pad 10, thereby the ore deposit way of answering not co-altitude, plays the supporting role to the inner wall top of ore deposit way.
As shown in fig. 3, the first telescopic rods 14 are located in the middle of the first mounting seat 3 and the second mounting seat 15, and two sets of the second telescopic rods 9 are symmetrically mounted at two sides of the first telescopic rods 14.
Through the first telescopic link 14 and the second telescopic link 9 that set up, the second pneumatic cylinder 5 drives 14 concertina movement of first telescopic link, and second telescopic link 9 also keeps the same motion state with first telescopic link 14 simultaneously, and two second telescopic links 9 have played limiting displacement, have strengthened the stability between first mount pad 3 and the second mount pad 15, avoid taking place the axial deflection between two mount pads.
As shown in FIG. 2, the section of the antiskid plate 11 is an arc-shaped tooth-shaped structure, a rubber pad 12 is arranged between the antiskid plate 11 and the support plate 10, and the thickness of the rubber pad 12 is 1-2.5 cm.
through the antiskid ribbed tile 11 and the rubber pad 12 that set up, curved antiskid ribbed tile 11 plays support and skid-proof effect with the inner wall top direct contact of ore deposit way, owing to use locking bolt 13 fixed, conveniently dismantles and changes antiskid ribbed tile 11, and when simultaneously with the contact of the ore deposit way inner wall of unevenness, rubber pad 12 makes antiskid ribbed tile 11 and ore deposit way inner wall hug closely through deformation, has improved the stability of device when being in the supported state.
It should be noted that the utility model relates to a coal mining collapse-proof support, firstly, the whole device is leaned on the inner wall of the mine tunnel of the coal mine, the upper support 7 and the lower support 6 are rotated and adjusted to proper positions, so that the anti-skid veins of the two supports are contacted with the inner wall of the mine tunnel, the first hydraulic cylinder 4 is adjusted to expand the first support 1 and the second support 2 for a certain angle around the rotating shaft, the whole device is ensured to be attached and fixed on the side surface of the inner wall of the mine tunnel, at the moment, the first support 1 and the second support 2 form a whole supporting surface,
The second hydraulic cylinder 5 is adjusted, a piston of the second hydraulic cylinder 5 is adjusted to drive the telescopic rods to move in a telescopic manner, the position of the supporting plate 10 is changed, so that mine paths with different heights are met, the top end of the inner wall of the mine path is supported, the second hydraulic cylinder 5 drives the first telescopic rod 14 to move in a telescopic manner, meanwhile, the second telescopic rod 9 and the first telescopic rod 14 are kept in the same motion state, the two second telescopic rods 9 play a limiting role, the stability between the first mounting seat 3 and the second mounting seat 15 is enhanced, and the axial deflection between the two mounting seats is avoided,
Curved antiskid ribbed tile 11 plays support and skid-proof effect with the inner wall top direct contact of ore deposit way, because it is fixed to use locking bolt 13, conveniently dismantle and change antiskid ribbed tile 11, simultaneously during with the contact of the ore deposit way inner wall of unevenness, rubber pad 12 makes antiskid ribbed tile 11 and ore deposit way inner wall hug closely through deformation, stability when having improved the device and being in support state, this device hugs closely the use with the ore deposit way, the space that occupies is less, can not influence staff's business turn over operation.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a coal mining support that collapses, includes first support (1), second support (2), first mount pad (3) and second mount pad (15), its characterized in that: first support (1), second support (2) and first mount pad (3) all are connected through the pivot, and first support (1) installs undersetting (6) with the rotatable formula of the contact jaw on ground, upper bracket (7) is installed to the rotatable formula of expansion end that second support (2) and first mount pad (3) are connected, be connected through setting up first telescopic link (14) and second telescopic link (9) between first mount pad (3) and second mount pad (15), bearing frame (8) have all been welded to one side of first support (1), second support (2) and first telescopic link (14), and install first pneumatic cylinder (4) and second pneumatic cylinder (5) between two adjacent bearing frames (8) respectively, backup pad (10) is installed through the rotatable formula of pivot in one side of second mount pad (15), and the top of backup pad (10) has a plurality of antiskid ribbed slabs (11) through setting up locking bolt (13) fixed mounting .
2. A coal mining collapse prevention support according to claim 1, wherein: the first support (1) and the second support (2) are both arc-shaped hollow plate structures.
3. A coal mining collapse prevention support according to claim 1, wherein: the two ends of the first hydraulic cylinder (4) are respectively located at the middle positions of the first support (1) and the second support (2), and the two ends of the second hydraulic cylinder (5) are respectively located at the middle position of the second support (2) and the two-thirds position of the second telescopic rod (9).
4. A coal mining collapse prevention support according to claim 1, wherein: the upper support (7) and the lower support (6) are identical in specification, and anti-skid grains are formed in one side of the upper support (7) and one side of the lower support (6) and the contact end of the coal mine face.
5. A coal mining collapse prevention support according to claim 1, wherein: the first telescopic rods (14) are located in the middle of the first mounting seat (3) and the second mounting seat (15), and the second telescopic rods (9) are arranged in two groups and symmetrically arranged at two sides of the first telescopic rods (14).
6. A coal mining collapse prevention support according to claim 1, wherein: the cross section of the antiskid plate (11) is of an arc-shaped tooth-shaped structure, a rubber pad (12) is arranged between the antiskid plate (11) and the support plate (10), and the thickness of the rubber pad (12) is 1-2.5 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920437513.7U CN209780926U (en) | 2019-04-02 | 2019-04-02 | Coal mining anti-collapse support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920437513.7U CN209780926U (en) | 2019-04-02 | 2019-04-02 | Coal mining anti-collapse support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209780926U true CN209780926U (en) | 2019-12-13 |
Family
ID=68801074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920437513.7U Expired - Fee Related CN209780926U (en) | 2019-04-02 | 2019-04-02 | Coal mining anti-collapse support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209780926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115507270A (en) * | 2022-11-20 | 2022-12-23 | 成都大学 | A monitoring device for tunnel deformation |
-
2019
- 2019-04-02 CN CN201920437513.7U patent/CN209780926U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115507270A (en) * | 2022-11-20 | 2022-12-23 | 成都大学 | A monitoring device for tunnel deformation |
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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: 20191213 Termination date: 20210402 |