CN216043794U - Underground support for coal mine excavation - Google Patents
Underground support for coal mine excavation Download PDFInfo
- Publication number
- CN216043794U CN216043794U CN202121821379.4U CN202121821379U CN216043794U CN 216043794 U CN216043794 U CN 216043794U CN 202121821379 U CN202121821379 U CN 202121821379U CN 216043794 U CN216043794 U CN 216043794U
- Authority
- CN
- China
- Prior art keywords
- rod
- support
- coal mine
- fixedly connected
- mine excavation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Supports For Pipes And Cables (AREA)
Abstract
The utility model discloses an underground support for coal mine excavation, which relates to the technical field of underground supports, and particularly relates to an underground support for coal mine excavation. Can continue folding at the transportation or move the in-process through the folding setting of bracing piece and horizontal pole, reduce occupation space, the equal rotatable setting in both sides can make things convenient for the bracing piece to fold about the hydraulic stem to can support the top pole after the bracing piece expandes, guarantee the stability of top pole, the setting of horizontal pole mountable side lever can be consolidated the top of strutting, the setting of wearing the ground hole can conveniently be fixed subaerial with this strutting.
Description
Technical Field
The utility model relates to the technical field of underground support, in particular to an underground support for coal mine excavation.
Background
Although the safety support structure for underground coal mine excavation disclosed in chinese patent application publication CN210858761U is configured such that two sets of inclined moving rods are symmetrically arranged at the left and right sides of the support plate to support the support plate, and the height of the support plate is adjusted to facilitate the use of safety supports with different heights; set up a plurality of groups pin through on the stand in the outside of carriage release lever, the setting of pin can provide sufficient holding power for the stand, but, this colliery is dug in the pit and is used safe supporting structure, too occupation space when transportation and removal, can not fold.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides an underground support for coal mine excavation, and solves the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a colliery is excavated with strutting in pit, includes bracing piece and connecting rod, the last fixed surface of bracing piece is connected with the connecting block, the surface of connecting block is rotated and is connected with the horizontal pole, rotatory mouth has all been seted up to the both sides of horizontal pole, the screw has been seted up to one side of bracing piece, one side threaded connection of bracing piece has the bottom pole, one side fixedly connected with round bar of bottom pole, one side fixedly connected with top pole of horizontal pole, one side fixedly connected with round bar of top pole, the surface of round bar is rotated and is connected with rotatory circle, the quantity of rotatory circle is four, the last fixed surface of rotatory circle is connected with the hydraulic stem, the end that stretches out of hydraulic stem rotates through rotatory circle and is connected with the round bar.
Optionally, the upper surface of the supporting rod is fixedly connected with a cushion block, the upper surface of the cushion block is provided with four ground penetrating holes, and the number of the ground penetrating holes is four.
Optionally, the upper surface of the cross rod is provided with a long opening, the upper surface of the top rod is provided with a short opening, and the upper surfaces of the short opening and the long opening are provided with mounting holes.
Optionally, the surface of the mounting hole is in threaded connection with a mounting bolt, and the upper surface of the short opening is connected with a connecting rod through the mounting bolt.
Optionally, both sides of the connecting rod are fixedly connected with side rods, and the surface of the long opening is connected with the side rods through mounting bolts.
Optionally, the number of the side bars is six, and the six side bars are arranged on two sides of the connecting rod in a rectangular array.
(III) advantageous effects
The utility model provides an underground support for coal mine excavation, which has the following beneficial effects:
this colliery is excavated with strutting in pit, can continue folding in the transportation or moving the in-process through the folding setting of bracing piece and horizontal pole, reduce occupation space, can make things convenient for the bracing piece to fold through the equal rotatable setting in both sides about the hydraulic stem, and can support the top pole after the bracing piece expandes, guarantee the stability of top pole, can consolidate the top of strutting through the setting of horizontal pole mountable side lever, can conveniently fix subaerial this strutting through the setting of wearing the ground hole.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a support bar according to the present invention;
FIG. 3 is a cross-sectional view of the support rod of the present invention;
fig. 4 is a schematic view of a folding structure of the support rod of the present invention.
In the figure: 1. a support bar; 2. connecting blocks; 3. a cross bar; 4. a rotation port; 5. a bottom bar; 6. a round bar; 7. a top bar; 8. a rotating ring; 9. a hydraulic lever; 10. cushion blocks; 11. perforating the ground; 12. a long opening; 13. short opening; 14. mounting holes; 15. installing a bolt; 16. a connecting rod; 17. side bars.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: an underground support for coal mine excavation comprises a support rod 1 and a connecting rod 16, wherein the upper surface of the support rod 1 is fixedly connected with a connecting block 2, the surface of the connecting block 2 is rotatably connected with a cross rod 3, both sides of the cross rod 3 are provided with rotating ports 4, one side of the support rod 1 is provided with a screw hole, one side of the support rod 1 is in threaded connection with a bottom rod 5, one side of the bottom rod 5 is fixedly connected with a round rod 6, one side of the cross rod 3 is fixedly connected with a top rod 7, one side of the top rod 7 is fixedly connected with the round rod 6, the support rod 1 and the cross rod 3 can be folded continuously in the transportation or moving process through the foldable arrangement, the occupied space of the support is reduced, the support rod 1 can be conveniently folded through the rotatable arrangement of the upper side and the lower side of a hydraulic rod 9, the support rod 7 can be supported after the support rod 1 is unfolded, the stability of the top rod 7 is ensured, the top of a side rod 17 can be reinforced through the arrangement of the cross rod 3, the support can be conveniently fixed on the ground through the arrangement of the ground penetrating hole 11;
the surperficial rotation of round bar 6 is connected with rotatory circle 8, the quantity of rotatory circle 8 is four, the last fixed surface of rotatory circle 8 is connected with hydraulic stem 9, the end that stretches out of hydraulic stem 9 rotates through rotatory circle 8 and is connected with round bar 6, the last fixed surface of bracing piece 1 is connected with cushion 10, the upper surface of cushion 10 has been seted up and has been worn ground hole 11, the quantity of wearing ground hole 11 is four, long mouthful 12 has been seted up to the upper surface of horizontal pole 3, short mouthful 13 has been seted up to the upper surface of top pole 7, mounting hole 14 has all been seted up to the upper surface of short mouthful 13 and long mouthful 12, the surface threaded connection of mounting hole 14 has mounting bolt 15, the upper surface of short mouthful 13 is connected with connecting rod 16 through mounting bolt 15, the equal fixedly connected with side lever 17 in both sides of connecting rod 16, the surface of long mouthful 12 is connected with side lever 17 through mounting bolt 15, the quantity of side lever 17 is six, six side lever 17 are the form arrangement in connecting rod 16's both sides.
As a preferred technical scheme of the utility model: the supporting material is steel.
To sum up, the underground support for coal mine excavation comprises the following use steps:
1. the supporting rods 1 and the cross rods 3 can be folded continuously in the transportation or moving process, so that the occupied space is reduced;
2. the upper side and the lower side of the hydraulic rod 9 are rotatably arranged, so that the supporting rod 1 can be conveniently folded, and the top rod 7 can be supported after the supporting rod 1 is unfolded, so that the stability of the top rod 7 is ensured;
3. the top of the support can be reinforced through the arrangement of the side rods 17 which can be arranged on the cross rod 3, and the support can be conveniently fixed on the ground through the arrangement of the ground penetrating holes 11.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (6)
1. The utility model provides a colliery is excavated with strutting in pit, includes bracing piece (1) and connecting rod (16), its characterized in that: the upper surface of the supporting rod (1) is fixedly connected with a connecting block (2), the surface of the connecting block (2) is rotatably connected with a cross rod (3), the two sides of the cross bar (3) are provided with rotating ports (4), one side of the support bar (1) is provided with a screw hole, one side of the supporting rod (1) is in threaded connection with a bottom rod (5), one side of the bottom rod (5) is fixedly connected with a round rod (6), a top rod (7) is fixedly connected with one side of the cross rod (3), a round rod (6) is fixedly connected with one side of the top rod (7), the surface of the round bar (6) is rotationally connected with four rotating rings (8), the number of the rotating rings (8) is four, the upper surface of rotatory circle (8) is fixed with hydraulic stem (9), the end that stretches out of hydraulic stem (9) is rotated through rotatory circle (8) and is connected with round bar (6).
2. The underground support for coal mine excavation of claim 1, wherein: the upper surface of the supporting rod (1) is fixedly connected with cushion blocks (10), ground penetrating holes (11) are formed in the upper surfaces of the cushion blocks (10), and the number of the ground penetrating holes (11) is four.
3. The underground support for coal mine excavation of claim 1, wherein: long opening (12) have been seted up to the upper surface of horizontal pole (3), short mouth (13) have been seted up to the upper surface of top pole (7), mounting hole (14) have all been seted up to the upper surface of short mouth (13) and long opening (12).
4. A coal mine excavation underground support as defined in claim 3, wherein: the surface of the mounting hole (14) is in threaded connection with a mounting bolt (15), and the upper surface of the short opening (13) is connected with a connecting rod (16) through the mounting bolt (15).
5. The underground support for coal mining excavation of claim 4, wherein: both sides of the connecting rod (16) are fixedly connected with side rods (17), and the surface of the long opening (12) is connected with the side rods (17) through mounting bolts (15).
6. A coal mine excavation underground support as defined in claim 5, wherein: the number of the side rods (17) is six, and the six side rods (17) are arranged on two sides of the connecting rod (16) in a rectangular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121821379.4U CN216043794U (en) | 2021-08-05 | 2021-08-05 | Underground support for coal mine excavation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121821379.4U CN216043794U (en) | 2021-08-05 | 2021-08-05 | Underground support for coal mine excavation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216043794U true CN216043794U (en) | 2022-03-15 |
Family
ID=80557387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121821379.4U Active CN216043794U (en) | 2021-08-05 | 2021-08-05 | Underground support for coal mine excavation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216043794U (en) |
-
2021
- 2021-08-05 CN CN202121821379.4U patent/CN216043794U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212865965U (en) | Hydraulic engineering irrigation canals and ditches excavation is support device in advance | |
| CN216043794U (en) | Underground support for coal mine excavation | |
| CN214143739U (en) | Geotechnical engineering foundation pit collapse prevention supporting structure | |
| CN207761664U (en) | A kind of operation structure for complete-section tunnel boring machine small space | |
| CN212689511U (en) | Civil engineering construction support | |
| CN219605304U (en) | Mine bearing structure | |
| CN208346714U (en) | A kind of safeguard structure of hydraulic and hydroelectric engineering side slope | |
| CN215801134U (en) | Culvert template trolley with adjustable span and height | |
| CN113653523B (en) | Triangular-area wide temporary support device and support method for quickly withdrawing hydraulic support | |
| CN112761409B (en) | Auxiliary building system for 5G signal base station | |
| CN210766795U (en) | Support device for municipal deep foundation pit construction | |
| CN101956479B (en) | Device arranged on original foundation of high voltage transmission tower and capable of hoisting height of tower and preventing mining-induced deformation | |
| CN204511292U (en) | A kind of narrow fuselage anchor shaft anchor cable drill carriage | |
| CN208502813U (en) | A kind of coal mine down-hole tunnel anchor rod drilling device | |
| CN113653524A (en) | Broken roof is synthesized and is adopted face hydraulic support withdrawal triangular space temporary support device | |
| CN213298023U (en) | Stable support for underground coal mine tunneling | |
| CN213775419U (en) | Supporting device for coal mine tunneling | |
| CN108945795A (en) | A kind of T beam anti-tipping apparatus | |
| CN212508381U (en) | Support frame for coal mine safety production | |
| CN216342232U (en) | Coal seam roadway's exploitation supporting device | |
| CN215565925U (en) | Supporting structure for vertical shaft of hydroelectric engineering | |
| CN218235152U (en) | Temporary support frame for coal mining excavation roadway | |
| CN210105902U (en) | Hydraulic support for ultrahigh roadway end of fully mechanized caving face | |
| CN210122914U (en) | Formwork device for roadway engineering concrete support construction | |
| CN218881822U (en) | Protective structure is used in construction of side slope geological disaster |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |