CN213980839U - Protective support for coal mining - Google Patents
Protective support for coal mining Download PDFInfo
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- CN213980839U CN213980839U CN202023145092.2U CN202023145092U CN213980839U CN 213980839 U CN213980839 U CN 213980839U CN 202023145092 U CN202023145092 U CN 202023145092U CN 213980839 U CN213980839 U CN 213980839U
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- movable base
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Abstract
The utility model discloses a protective bracket is used in coal mine excavation relates to protective bracket technical field, including arc top, collateral branch frame and frame, the top of frame is equipped with movable base, movable base passes through slide rail and frame sliding connection, the top of frame is equipped with the second cylinder, second cylinder and frame fixed connection, the piston rod and the movable base fixed connection of second cylinder, movable base's top is equipped with the frame of lifting, the equal fixedly connected with first cylinder in movable base's top both sides, the piston rod and the frame fixed connection of lifting of first cylinder, the inboard spacing section of thick bamboo of fixedly connected with of frame of lifting, the spacing slide bar of movable base's top fixedly connected with, spacing slide bar and spacing section of thick bamboo sliding connection, the arc top is established on the top of the frame of lifting. The utility model discloses, solved the colliery and excavated comparatively inconvenient and the relatively poor problem of protecting effect with the protective bracket installation.
Description
Technical Field
The utility model relates to a protective bracket technical field, more specifically relate to a protective bracket is used in colliery excavation.
Background
In recent years, with the increasing of the mining depth of modern comprehensive mechanized coal mines, the geological condition is more complex, the ground stress of a deep rock stratum of a mine is increased, excessive plastic deformation or loosening damage is generated under the action of secondary stress, accidents such as roof collapse, rib spalling, bottom heave and the like are easily caused, and serious casualties and property loss are caused. For safety and production reasons, it is necessary to support the roadway.
At present, most of protective supports for coal mining adopt anchor shotcrete, I-shaped steel canopy and U-shaped steel supporting modes, and in order to ensure the stability of support, the structure is heavy, and is inconvenient to install, and the supporting clearance usually adopts the steel wire to prevent the piece from dropping, and the protective effect is relatively poor, has the potential safety hazard.
Therefore, it is necessary to provide a protective support for coal mining to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to provide a: in order to solve the comparatively inconvenient and relatively poor problem of protecting effect of the installing of the protective bracket for coal mining, the utility model provides a protective bracket for coal mining.
(II) technical scheme
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
the utility model provides a protective bracket for coal mining, includes arc top, collateral branch frame and frame, the top of frame is equipped with movable base, movable base passes through slide rail and frame sliding connection, the top of frame is equipped with the second cylinder, second cylinder and frame fixed connection, the piston rod and the movable base fixed connection of second cylinder, movable base's top is equipped with the support frame, movable base's top both sides all fixedly connected with first cylinder, the piston rod and the support frame fixed connection of first cylinder, the inboard fixedly connected with spacing section of thick bamboo of support frame, movable base's top fixedly connected with spacing slide bar, spacing slide bar and spacing section of thick bamboo sliding connection, the arc top is established on the top of support frame, the inboard middle part of frame is rotated and is connected with the screw rod, the one end fixedly connected with second gear of screw rod, the inboard fixedly connected with motor of frame, the first gear of fixedly connected with on the output shaft of motor, first gear is connected with the meshing of second gear, the movable block has been cup jointed in the outside of screw rod, the both sides of movable block all rotate and are connected with the transfer line, the one end that the movable block was kept away from to the transfer line is rotated and is connected with the electromagnetic plate, the electromagnetic plate is connected with one side fixedly connected with gag lever post of transfer line, the inboard fixedly connected with stopper of frame, gag lever post and stopper sliding connection.
Furthermore, the inner side of the movable block is provided with an internal thread matched with the screw rod.
Furthermore, the side brackets are fixed on two sides of the frame through electromagnetic plates in an adsorption mode.
Further, the top of the lifting frame is provided with a limit groove matched with the arc top, and the arc top is connected with the lifting frame through the limit groove.
Further, the top fixedly connected with inserted block of collateral branch frame, the equal fixedly connected with fixed block in both ends on arc top, the slot has been seted up to the bottom of fixed block, fixed block and slot looks adaptation.
Furthermore, the arc top comprises an arc plate and an arc frame, and the arc frame is fixedly connected to the inner side of the arc plate.
Furthermore, the side support comprises curb plate and support column, the support column has a plurality ofly, and is a plurality ofly evenly fixed in one side of curb plate.
Further, the width of the arc top is the same as that of the side support, and the arc top and the side support are matched with a coal mine roadway.
(III) advantageous effects
The utility model has the advantages as follows:
1. the utility model discloses, lift frame, electromagnetic plate and motor through setting up, the accessible lifts frame and electromagnetic plate and carries out supplementary installation, makes its concatenation of being convenient for through inserted block and slot, has solved the comparatively inconvenient problem of installation.
2. The utility model discloses, through setting up arc top and collateral branch frame, under the effect of curb plate and arc, can be sealed with the clearance between support column and the arc to can prevent that the colliery tunnel piece from dropping and hindering the people, solve the relatively poor problem of protective effect.
Drawings
Fig. 1 is a schematic perspective view of the structure of the present invention;
FIG. 2 is a schematic bottom perspective sectional view of the structure of the present invention;
FIG. 3 is a schematic side view of a three-dimensional cross-sectional view of the structure of the present invention;
fig. 4 is a schematic perspective view of the arc top of the present invention.
Reference numerals: 1. an arc top; 2. a lifting frame; 3. a side bracket; 4. an electromagnetic plate; 5. a frame; 6. a first cylinder; 8. a movable base; 9. a second cylinder; 10. a slide rail; 11. a movable block; 13. a transmission rod; 15. a motor; 16. a first gear; 17. a second gear; 18. a screw; 19. inserting a block; 20. a side plate; 21. a support pillar; 22. an arc-shaped plate; 23. an arc-shaped frame; 24. a limiting groove; 25. a limiting cylinder; 26. a limiting slide bar; 27. a fixed block; 28. a slot; 29. a limiting rod; 30. and a limiting block.
Detailed Description
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 work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-4, a protective bracket for coal mining comprises an arc roof 1, a side bracket 3 and a frame 5, wherein a movable base 8 is arranged at the top end of the frame 5, the movable base 8 is slidably connected with the frame 5 through a slide rail 10, a second cylinder 9 is arranged at the top end of the frame 5, the second cylinder 9 is fixedly connected with the frame 5, a piston rod of the second cylinder 9 is fixedly connected with the movable base 8, a supporting frame 2 is arranged at the top end of the movable base 8, both sides of the top end of the movable base 8 are fixedly connected with a first cylinder 6, a piston rod of the first cylinder 6 is fixedly connected with the supporting frame 2, a limiting cylinder 25 is fixedly connected with the inner side of the supporting frame 2, a limiting slide bar 26 is fixedly connected with the top end of the movable base 8, the limiting slide bar 26 is slidably connected with the limiting cylinder 25, the arc roof 1 is arranged at the top end of the supporting frame 2, a limiting groove 24 matched with the arc roof 1 is arranged at the top end of the supporting frame 2, the arc-shaped top 1 is connected with the lifting frame 2 through a limiting groove 24, the middle part of the inner side of the frame 5 is rotatably connected with a screw 18, one end of the screw 18 is fixedly connected with a second gear 17, the inner side of the frame 5 is fixedly connected with a motor 15, an output shaft of the motor 15 is fixedly connected with a first gear 16, the first gear 16 is meshed with the second gear 17, the outer side of the screw 18 is sleeved with a movable block 11, the inner side of the movable block 11 is provided with an internal thread matched with the screw 18, both sides of the movable block 11 are rotatably connected with a transmission rod 13, one end of the transmission rod 13 far away from the movable block 11 is rotatably connected with an electromagnetic plate 4, the side bracket 3 is fixedly adsorbed on both sides of the frame 5 through the electromagnetic plate 4, one side of the electromagnetic plate 4 connected with the transmission rod 13 is fixedly connected with a limiting rod 29, the inner side of the frame 5 is fixedly connected with a limiting block 30, the limiting rod 29 is slidably connected with the limiting block 30, the top end of the side bracket 3 is fixedly connected with an inserting block 19, the both ends of arc top 1 are equal fixedly connected with fixed block 27, and slot 28 has been seted up to the bottom of fixed block 27, and fixed block 27 and slot 28 looks adaptation.
In the embodiment, by arranging the lifting frame 2, the frame 5, the electromagnetic plate 4 and the motor 15, when the arc-shaped top 1 and the side bracket 3 need to be installed, the arc-shaped top 1 is placed at the top end of the lifting frame 2, the electromagnetic plate 4 is started, the side bracket 3 is fixed at two sides of the electromagnetic plate 4 through the electromagnetic plate 4 in an adsorption manner, then the first air cylinder 6 is started, under the action of the first air cylinder 6, the arc-shaped top 1 is pushed to the top of the roadway through the lifting frame 2, under the action of the motor 15 and the limiting slide rod 26, auxiliary limiting can be carried out, then the second air cylinder 9 and the trolley are started, the movable base 8 slides along the second air cylinder 9, the arc-shaped top 1 and the side bracket 3 are aligned, then the motor 15 is started, under the interaction of the first gear 16 and the second gear 17, the screw rod 18 drives the movable block 11 to slide, under the limiting of the limiting rod 29 and the limiting block 30, the transmission rod 13 pushes the side bracket 3 to move towards two sides of the roadway, the insert block 19 is inserted into the insert slot 28 and fixed by bolts, thus solving the problem of inconvenient installation.
Example 2
Referring to fig. 3 and 4, the present embodiment is further optimized based on embodiment 1, specifically, the arc top 1 is composed of an arc plate 22 and an arc frame 23, and the arc frame 23 is fixedly connected to the inner side of the arc plate 22.
Specifically, the side bracket 3 is composed of a side plate 20 and a plurality of supporting columns 21, and the plurality of supporting columns 21 are uniformly fixed on one side of the side plate 20.
Specifically, the width of the arc top 1 is the same as that of the side support 3, and the arc top 1 and the side support 3 are matched with a coal mine roadway.
In this embodiment, through setting up arc top 1 and side support 3, under the effect of curb plate 20 and arc 22, can be with the clearance seal between support column 21 and the arc 23 to can prevent that the coal mine tunnel piece from dropping and hindering the people, the installation of being convenient for has simultaneously solved the relatively poor problem of protective effect.
In summary, the following steps: the utility model discloses, solved the colliery and excavated comparatively inconvenient and the relatively poor problem of protecting effect with the protective bracket installation.
Above, only be the preferred embodiment of the present invention, not be used for limiting the present invention, the patent protection scope of the present invention is based on the claims, all the structural changes equivalent to the content of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a coal mine is excavated and is used protective bracket, includes arc top (1), collateral branch frame (3) and frame (5), its characterized in that: the top of frame (5) is equipped with movable base (8), movable base (8) are through slide rail (10) and frame (5) sliding connection, the top of frame (5) is equipped with second cylinder (9), second cylinder (9) and frame (5) fixed connection, the piston rod and the movable base (8) fixed connection of second cylinder (9), the top of movable base (8) is equipped with lifting frame (2), the equal fixedly connected with first cylinder (6) in top both sides of movable base (8), the piston rod and the lifting frame (2) fixed connection of first cylinder (6), the inboard fixedly connected with spacing section of thick bamboo (25) of lifting frame (2), the spacing slide bar (26) of top fixedly connected with of movable base (8), spacing slide bar (26) and spacing section of thick bamboo (25) sliding connection, establish the top at lifting frame (2) arc top (1), a screw rod (18) is rotatably connected to the middle part of the inner side of the frame (5), one end of the screw rod (18) is fixedly connected with a second gear (17), a motor (15) is fixedly connected to the inner side of the frame (5), a first gear (16) is fixedly connected to an output shaft of the motor (15), the first gear (16) is meshed with the second gear (17), the outer side of the screw rod (18) is sleeved with the movable block (11), both sides of the movable block (11) are rotatably connected with transmission rods (13), one end of each transmission rod (13) far away from the movable block (11) is rotatably connected with an electromagnetic plate (4), one side of the electromagnetic plate (4) connected with the transmission rod (13) is fixedly connected with a limiting rod (29), the inner side of the frame (5) is fixedly connected with a limiting block (30), and the limiting rod (29) is connected with the limiting block (30) in a sliding mode.
2. The protective bracket for coal mining according to claim 1, characterized in that: the inner side of the movable block (11) is provided with an internal thread matched with the screw rod (18).
3. The protective bracket for coal mining according to claim 1, characterized in that: the side brackets (3) are fixed on two sides of the frame (5) through the electromagnetic plates (4) in an adsorption manner.
4. The protective bracket for coal mining according to claim 1, characterized in that: the top of the lifting frame (2) is provided with a limiting groove (24) matched with the arc top (1), and the arc top (1) is connected with the lifting frame (2) through the limiting groove (24).
5. The protective bracket for coal mining according to claim 1, characterized in that: the top fixedly connected with inserted block (19) of collateral branch frame (3), the equal fixedly connected with fixed block (27) in both ends of arc top (1), slot (28) have been seted up to the bottom of fixed block (27), fixed block (27) and slot (28) looks adaptation.
6. The protective bracket for coal mining according to claim 1, characterized in that: the arc top (1) is composed of an arc plate (22) and an arc frame (23), and the arc frame (23) is fixedly connected to the inner side of the arc plate (22).
7. The protective bracket for coal mining according to claim 1, characterized in that: the side support (3) comprises curb plate (20) and support column (21), support column (21) have a plurality ofly, a plurality ofly support column (21) are evenly fixed in one side of curb plate (20).
8. The protective bracket for coal mining according to claim 1, characterized in that: the width of arc top (1) is the same with the width of collateral branch frame (3), arc top (1) and collateral branch frame (3) all with coal mine tunnel looks adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023145092.2U CN213980839U (en) | 2020-12-21 | 2020-12-21 | Protective support for coal mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023145092.2U CN213980839U (en) | 2020-12-21 | 2020-12-21 | Protective support for coal mining |
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| Publication Number | Publication Date |
|---|---|
| CN213980839U true CN213980839U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023145092.2U Active CN213980839U (en) | 2020-12-21 | 2020-12-21 | Protective support for coal mining |
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| CN (1) | CN213980839U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233356A (en) * | 2021-12-22 | 2022-03-25 | 中铁十九局集团第三工程有限公司 | Fault breaking anti-collapse device and method for high-gas tunnel support |
-
2020
- 2020-12-21 CN CN202023145092.2U patent/CN213980839U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233356A (en) * | 2021-12-22 | 2022-03-25 | 中铁十九局集团第三工程有限公司 | Fault breaking anti-collapse device and method for high-gas tunnel support |
| CN114233356B (en) * | 2021-12-22 | 2023-07-25 | 中铁十九局集团第三工程有限公司 | Fracture collapse prevention device and method for high-gas tunnel support |
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