CN210660147U - Roadway roof supporting device - Google Patents
Roadway roof supporting device Download PDFInfo
- Publication number
- CN210660147U CN210660147U CN201921673951.XU CN201921673951U CN210660147U CN 210660147 U CN210660147 U CN 210660147U CN 201921673951 U CN201921673951 U CN 201921673951U CN 210660147 U CN210660147 U CN 210660147U
- Authority
- CN
- China
- Prior art keywords
- pressure
- shell
- prefabricated
- bearing
- bearing shell
- 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
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a roadway roof supporting device, which comprises a pressure-bearing shell and a prefabricated shell, wherein openings are respectively arranged at the top of the pressure-bearing shell and the bottom of the prefabricated shell, the prefabricated shell is covered at the top of the pressure-bearing shell, and the top of the prefabricated shell is arc-shaped; the outer walls of two sides of the pressure-bearing shell are respectively provided with a sliding chute extending to the top of the pressure-bearing shell, and the inner walls of two sides of the prefabricated shell are respectively fixed with a sliding block which is arranged in the sliding chute in a sliding manner; be fixed with long otic placode on the outer wall of pressure-bearing casing one side, be fixed with short otic placode on the outer wall of pressure-bearing casing opposite side, rotate on short otic placode and be equipped with the connecting plate, the utility model has the advantages of: support the tunnel roof through prefabricated casing, the arc top of prefabricated casing adapts to arc tunnel roof for prefabricated casing and tunnel roof clearance reduce, can support the tunnel roof completely, strengthen strutting the intensity, reduce tunnel roof pressure, the effectual effect of strutting that plays eliminates the potential safety hazard of tunnel operation.
Description
The technical field is as follows:
the utility model relates to a combine and adopt and strut technical field, concretely relates to tunnel roof supporting device.
Background art:
at present, in the process of mining coal in a roadway, a fully mechanized mining working surface in the roadway is mostly a rectangular section, an anchor net cable is matched with a forepoling for supporting, a top beam is arranged at the top of the forepoling to meet the supporting of a horizontal roadway roof, when a coal seam floor (the roadway roof) is relatively soft sandy mudstone, the stability of a rock stratum is poor due to the fact that the sandy mudstone has the characteristics of being loose, low in strength, easy to soften and the like, the sinking phenomenon is easy to occur, the roadway roof is deformed and crushed and falls downwards, the anchor net cable is invalid in supporting, only the forepoling is used for supporting, the potential safety hazard is still brought to fully mechanized mining operation, in order to control the deformation and the crushing of the roadway roof and the falling downwards, the construction is carried out by adopting a straight wall semi-circular arch section commonly used in the industry, but the roadway roof is in an arc shape when the construction is used, the existing, the auxiliary support piece who exists on the market is triangle-shaped, and the top is mostly the inclined plane, can not laminate the roof, has the clearance of strutting, can not support the roof completely, also can not effectual effect of strutting, and the tunnel operation still has the potential safety hazard, influences the normal operating of coal mining operation, leads to the reduction of coal mining efficiency.
The utility model has the following contents:
an object of the utility model is to provide a tunnel roof supporting device.
The utility model discloses by following technical scheme implement:
a roadway roof supporting device comprises a pressure-bearing shell and a prefabricated shell, wherein openings are respectively formed in the top of the pressure-bearing shell and the bottom of the prefabricated shell, the prefabricated shell is covered on the top of the pressure-bearing shell, and the top of the prefabricated shell is arc-shaped;
sliding grooves extending to the tops of the two side outer walls of the pressure-bearing shell are respectively formed in the two side outer walls of the pressure-bearing shell, and sliding blocks which are arranged in the sliding grooves in a sliding mode are respectively fixed on the two side inner walls of the prefabricated shell; the outer wall of one side of the pressure-bearing shell is fixed with a long lug plate, the outer wall of the other side of the pressure-bearing shell is fixed with a short lug plate, and the short lug plate is rotatably provided with a connecting plate.
Preferably, a grid reinforcing rib plate is arranged in the pressure-bearing shell and is formed by fixing a plurality of transverse reinforcing rib plates and vertical reinforcing rib plates in a staggered mode, the end edges of the transverse reinforcing rib plates and the vertical reinforcing rib plates are respectively and vertically fixed with the inner wall of the pressure-bearing shell, a pressure-bearing reinforcing rib is arranged in the prefabricated shell, the end edge of the pressure-bearing reinforcing rib is vertically fixed with the inner wall of the prefabricated shell, and the bottom of the pressure-bearing reinforcing rib is abutted to the top of the grid reinforcing rib plate.
Preferably, two outer walls of the prefabricated shell and the pressure-bearing shell on the same side are provided with buckles which are correspondingly buckled.
The utility model has the advantages that: the tunnel top plate is supported by the prefabricated shell, and the arc-shaped top of the prefabricated shell is adaptive to the arc-shaped tunnel top plate, so that the gap between the prefabricated shell and the tunnel top plate is reduced, the tunnel top plate can be completely supported, the supporting strength is enhanced, the pressure of the tunnel top plate is reduced, the supporting effect is effectively realized, the potential safety hazard of tunnel operation is eliminated, the safe operation of coal mining operation is ensured, and the coal mining efficiency is ensured; and for the radian that satisfies different tunnel roof for prefabricated arc top more can adapt to convex tunnel roof, can prefabricate the prefabricated casing at different arc tops according to the actual radian of tunnel roof, and the replacement on the pressure-bearing casing that these prefabricated casings can be convenient practices thrift the tunnel and strut the material and drop into.
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 a schematic view of a pressure containing housing structure;
fig. 3 is a schematic view of a prefabricated housing structure.
In the figure: the device comprises a pressure-bearing shell 1, a prefabricated shell 2, a sliding chute 3, a sliding block 4, a grid reinforcing rib plate 5, a transverse reinforcing rib plate 5.1, a vertical reinforcing rib plate 5.2, a pressure-bearing reinforcing rib 6, a hasp 7, a long lug plate 8, a short lug plate 9, a connecting plate 10 and an opening 11.
The specific implementation mode is as follows:
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.
As shown in fig. 1, 2 and 3, the roadway roof supporting device comprises a pressure-bearing shell 1 and a prefabricated shell 2, wherein openings 11 are respectively arranged at the top of the pressure-bearing shell 1 and the bottom of the prefabricated shell 2, the prefabricated shell 2 covers the top of the pressure-bearing shell 1, and the top of the prefabricated shell 2 is arc-shaped; the tunnel top plate is supported by the prefabricated shell 2, and the arc-shaped top of the prefabricated shell 2 is adapted to the arc-shaped tunnel top plate, so that the gap between the prefabricated shell 2 and the tunnel top plate is reduced, the tunnel top plate can be completely supported, the supporting strength is enhanced, the pressure of the tunnel top plate is reduced, the supporting effect is effectively achieved, and the potential safety hazard of tunnel operation is eliminated; for satisfying the radian of different tunnel roofs for prefabricated arc top more can adapt to convex tunnel roof, can be according to the prefabricated casing 2 at the prefabricated different arc tops of the actual radian of tunnel roof, and the replacement on pressure-bearing casing 1 that these prefabricated casings 2 can be convenient practices thrift the tunnel and strut the material and drop into.
The outer walls of two sides of the pressure-bearing shell 1 are respectively provided with a sliding chute 3 extending to the top of the pressure-bearing shell, the inner walls of two sides of the prefabricated shell 2 are respectively fixed with a sliding block 4 which is arranged in the sliding chute 3 in a sliding manner, when the prefabricated shell 2 covers the upper part of the pressure-bearing shell 1, the sliding block 4 is driven to slide into the sliding chute 3, the sliding chute 3 plays a role in guiding and positioning the sliding block 4, and the side wall of the pressure-bearing shell 1 plays a role in supporting the side wall of the prefabricated shell 2 through the sliding chute 3 and the; a long lug plate 8 is fixed on the outer wall of one side of the pressure-bearing shell 1, a short lug plate 9 is fixed on the outer wall of the other side of the pressure-bearing shell 1, a connecting plate 10 is rotatably arranged on the short lug plate 9, the advance bracket is the existing equipment, a top beam of the pressure-bearing shell 1 is hinged with a side guard plate through a pin shaft and an ear plate, when the pressure-bearing shell 1 is installed, the side guard plate is detached, the ear plate for hinging the side guard plate is left, the pressure-bearing shell 1 is arranged at the top of the top beam, a long ear plate 8 is connected with the ear plate at one side of the top beam through a pin shaft, one end of a connecting plate 10 is hinged on a short ear plate 9, the other end of the connecting plate is connected with the ear plate at the other side of the top beam through a pin shaft, the connection between the pressure-bearing, the connecting plate 10 can be customized according to actual conditions, one end of the connecting plate 10 is hinged on the short lug plate 9, and the other end of the connecting plate is connected with the lug plate on the other side of the top beam through a pin shaft.
Be equipped with grid deep floor 5 in pressure-bearing casing 1, grid deep floor 5 comprises a plurality of horizontal deep floor 5.1 and the crisscross fixed of vertical deep floor 5.2, horizontal deep floor 5.1, the end limit of vertical deep floor 5.2 respectively with the inner wall vertical fixation of pressure-bearing casing 1, be equipped with pressure-bearing strengthening rib 6 in prefabricated casing 2, the end limit of pressure-bearing strengthening rib 6 and the inner wall vertical fixation of prefabricated casing 2, 6 bottoms of pressure-bearing strengthening rib and 5 top butts of grid deep floor, the intensity of 1 inner space of grid deep floor 5 stiffened pressure-bearing casing, the intensity of 2 inner space of prefabricated casing is strengthened to pressure-bearing strengthening rib 6, 6 bottoms of pressure-bearing strengthening rib and 5 top butts of grid deep floor, the support strength of pressure-bearing casing 1 to prefabricated casing 2.
Be equipped with hasp 7 that corresponds the lock joint on two outer walls of prefabricated casing 2 and pressure-bearing casing 1 homonymy, through hasp 7 fixed connection prefabricated casing 2 and pressure-bearing casing 1, avoid breaking away from each other.
The working principle is as follows: when the pressure-bearing shell 1 is installed, the side guard plate is detached, an ear plate for hinging the side guard plate is left, the pressure-bearing shell 1 is arranged at the top of a top beam, a long ear plate 8 is connected with the ear plate at one side of the top beam through a pin shaft, one end of a connecting plate 10 is hinged on a short ear plate 9, the other end of the connecting plate is connected with the ear plate at the other side of the top beam through a pin shaft, so that the connection between the pressure-bearing shell 1 and the top beam is realized, when the pressure-bearing shell 1 is slightly larger than the top of the top beam, the connecting plate 10 can be customized according to actual conditions, one end of the;
when the prefabricated shell 2 is installed on the pressure-bearing shell 1, the prefabricated shell 2 covers the upper portion of the pressure-bearing shell 1, meanwhile, the sliding block 4 is driven to slide into the sliding groove 3, the bottom of the pressure-bearing reinforcing rib 6 is abutted to the top of the grid reinforcing rib plate 5, and the prefabricated shell 2 and the pressure-bearing shell 1 are fixedly connected through the hasp 7; can be according to the prefabricated casing 2 at the prefabricated different arc tops of the actual radian of tunnel roof, according to the prefabricated casing 2 of the actual radian replacement of tunnel roof.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The roadway roof supporting device is characterized by comprising a pressure-bearing shell and a prefabricated shell, wherein openings are respectively formed in the top of the pressure-bearing shell and the bottom of the prefabricated shell, the prefabricated shell covers the top of the pressure-bearing shell, and the top of the prefabricated shell is arc-shaped;
sliding grooves extending to the tops of the two side outer walls of the pressure-bearing shell are respectively formed in the two side outer walls of the pressure-bearing shell, and sliding blocks which are arranged in the sliding grooves in a sliding mode are respectively fixed on the two side inner walls of the prefabricated shell; the outer wall of one side of the pressure-bearing shell is fixed with a long lug plate, the outer wall of the other side of the pressure-bearing shell is fixed with a short lug plate, and the short lug plate is rotatably provided with a connecting plate.
2. The roadway roof supporting device according to claim 1, wherein: the grid reinforcing rib plate is arranged in the pressure-bearing shell and is formed by fixing a plurality of transverse reinforcing rib plates and vertical reinforcing rib plates in a staggered mode, the end edges of the transverse reinforcing rib plates and the vertical reinforcing rib plates are respectively and vertically fixed with the inner wall of the pressure-bearing shell, the pressure-bearing reinforcing rib is arranged in the prefabricated shell, the end edge of the pressure-bearing reinforcing rib is vertically fixed with the inner wall of the prefabricated shell, and the bottom of the pressure-bearing reinforcing rib is abutted to the top of the grid reinforcing rib plate.
3. The roadway roof supporting device according to claim 2, wherein: and the two outer walls on the same side of the prefabricated shell and the pressure-bearing shell are provided with buckles which are correspondingly buckled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921673951.XU CN210660147U (en) | 2019-10-08 | 2019-10-08 | Roadway roof supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921673951.XU CN210660147U (en) | 2019-10-08 | 2019-10-08 | Roadway roof supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210660147U true CN210660147U (en) | 2020-06-02 |
Family
ID=70837865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921673951.XU Active CN210660147U (en) | 2019-10-08 | 2019-10-08 | Roadway roof supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210660147U (en) |
-
2019
- 2019-10-08 CN CN201921673951.XU patent/CN210660147U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102352722B (en) | Protective airtight door of coal mine refuge underground chamber | |
| CN101864956A (en) | Sectional coal pillar-free exploitation method | |
| CN105065049A (en) | Hydraulic support for high-water cut and fill mining | |
| CN107178366A (en) | A kind of stoping method of post ore body | |
| CN210660147U (en) | Roadway roof supporting device | |
| CN209457062U (en) | A kind of reinforcement earth work scraper bowl with crushing function | |
| CN107907022A (en) | It is a kind of for colliery blasting easy to the protective device that folds | |
| CN107587878A (en) | Pit shaft and shaft station attachment structure | |
| CN201738251U (en) | Box culvert | |
| CN205025480U (en) | High water mining with filling hydraulic support | |
| CN112389953A (en) | Lifting baffle plate assembly for gangue backfill scraper conveyor | |
| CN115977695A (en) | Telescopic coupling support and method for protecting roadway along air in steeply inclined and inclined coal seam | |
| CN203939521U (en) | Movable drag conveyor is received coal device | |
| CN210370726U (en) | Underground coal mine support device | |
| CN207686723U (en) | Help mining structure in outdoor end side mine continuous miner end | |
| CN208857857U (en) | Large arm, rock arm and broken rock machine | |
| CN207363683U (en) | A kind of roadway support equipment | |
| CN219387916U (en) | Outburst prevention safety protection device for fully-mechanized mining face of thick coal seam of outburst mine | |
| CN214738159U (en) | Multifunctional surface mine safety protection device | |
| CN215057485U (en) | Hydraulic support device for supporting coal mining and tunneling working face | |
| CN104895590B (en) | A kind of alley hydraulic support bottom girder of quick energy-absorbing erosion control anti-bottom distension | |
| CN204225761U (en) | A kind of all-hydraulic integrated multipurpose percussive drill | |
| CN214247396U (en) | Anti-sputtering shield for mining | |
| CN213869916U (en) | Hydraulic support base with pedal | |
| CN208280956U (en) | To waste fill oper cylinler shallow-hole shrinkage mining mineral building in one kind |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |