CN220815696U - Sliding push-pull type temporary roof protection device for underground roadway - Google Patents
Sliding push-pull type temporary roof protection device for underground roadway Download PDFInfo
- Publication number
- CN220815696U CN220815696U CN202322539627.1U CN202322539627U CN220815696U CN 220815696 U CN220815696 U CN 220815696U CN 202322539627 U CN202322539627 U CN 202322539627U CN 220815696 U CN220815696 U CN 220815696U
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- protection plate
- roadway
- guard plate
- plate
- guard
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- 238000004873 anchoring Methods 0.000 claims abstract description 22
- 239000011435 rock Substances 0.000 claims abstract description 20
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000005641 tunneling Effects 0.000 abstract description 11
- 239000004575 stone Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The utility model discloses a sliding push-pull type temporary roof protection device for an underground roadway, which comprises an anchoring assembly, a movable shaft, a protection plate sliding groove and a fixing device, wherein the anchoring assembly is positioned in a roadway top plate and is used as a main hanging device for hanging a component, the movable shaft is hung on the anchoring assembly, the movable shaft is provided with a protection plate sliding groove, the protection plate is connected in the protection plate sliding groove in a sliding manner, the fixing device is arranged at the end part of the protection plate sliding groove, a bolt is arranged on the fixing device so as to ensure the stability and the non-shaking of the protection plate sliding groove, and the protection plate comprises a left leaf protection plate and a right leaf protection plate. The anchoring assembly is injected into the tunnel roof along the tunneling direction of the tunnel, the movable shaft is arranged on the anchoring assembly, and then the two protection plates are pulled apart along the limiting guide groove, so that the whole tunnel roof is covered, and roof rock stones are prevented from falling to hurt people.
Description
Technical Field
The utility model relates to the technical field of temporary support for underground roadway tunneling of mines, in particular to a sliding push-pull type temporary roof protection device for underground roadways.
Background
With the continuous development of underground mining of mines, tunneling is one of the important engineering of underground mining. In the tunneling process, the original three-dimensional stress balance state of surrounding rock of the tunnel roof is broken, tunnel collapse and roof collapse occur when accidents of roof collapse occur, in order to keep the stability of a mine tunnel, the tunnel is usually supported by adopting anchor rods, reinforcing steel bar meshes, concrete spraying, steel arches and other modes at present in the tunneling construction, the tunnel collapse is prevented, but the construction procedures of the modes are complex, the operation efficiency is low, the tunneling progress of the tunnel is influenced, the time supporting operation is carried out on dangerous areas of the tunnel, and the safety risk of operators is increased.
The Chinese patent of the utility model disclosed in CN2603202Y is characterized in that the mine underground roof supports a wild goose-shaped steel belt, which consists of a roof rock body, a rock hole, an anchor rod body and a nut, wherein the wild goose-shaped steel belt is arranged between the roof rock body and the nut through the anchor rod body, and a supporting plate is arranged between the wild goose-shaped steel belt and the nut through the anchor rod body. The utility model changes the stress condition of the original support, adjusts the thickness of the steel belt, thereby greatly improving the bearing capacity and the buckling and deformation resistance of the roof support, solving the problems of insufficient mine underground support strength, insufficient buckling and deformation resistance, being particularly suitable for mine underground support, especially the roof support of a coal mine underground, but the problem of high safety risk of operators due to the fixed structure, inconvenient later disassembly and long roadway length.
Disclosure of utility model
The utility model aims to provide a sliding push-pull temporary roof protection device for an underground roadway, which solves the problems that the support in the conventional roadway tunneling process provided in the background art cannot be displaced, is not convenient to detach, and has low operation efficiency and high safety risk for operators.
In order to achieve the above purpose, the present utility model provides the following technical solutions: including anchor subassembly, still include removal axle, guard plate spout and fixing device, anchor subassembly be located the tunnel roof as the main linkage who is used for hanging the structural component, remove the axle hang on anchor subassembly and be used for as the mobile device of guard plate be provided with on the removal axle the guard plate spout, guard plate sliding connection be in the guard plate spout in, fixing device installs the tip at the guard plate spout, just fixing device is last threaded mounting has the bolt to guarantee the stability of guard plate spout and not rock, the guard plate include left leaf guard plate and right leaf guard plate.
Preferably, the anchoring assembly is injected into the tunnel roof along the central direction of the tunnel, and the lower part of the anchoring assembly is provided with a fixed hanging ring which is firmly installed by tightening bolts; and a group of anchoring components are arranged at the roadway interval of 3-5 m.
Preferably, the movable shaft passes through the fixed hanging rings and is erected on two adjacent fixed hanging rings to be fixed; the two ends of the movable shaft are connected and fixed with the protection plate sliding grooves 3 through bolts, so that a fixing effect is achieved.
Preferably, the guard plate sliding groove is divided into three parts, namely a movable shaft, a left leaf guard plate roller and a right leaf guard plate roller from top to bottom, wherein the left leaf guard plate is arranged in a left limiting guide groove of the left leaf guard plate roller and the guard plate sliding groove, and the right leaf guard plate is arranged in a right limiting guide groove of the right leaf guard plate roller and the guard plate sliding groove.
Preferably, the protection plate is made of metal, so that the overall strength is further improved.
Preferably, the fixed hanging ring is of a hoop half type structure.
Preferably, the left leaf protection plate and the right leaf protection plate are pushed away along the protection plate sliding groove so as to cover the whole roadway roof, and when the roadway roof is used, the Zuo She protection plates of the two leaves and the right leaf protection plate are pushed away along the limiting guide groove of the protection plate sliding groove so as to cover the whole roadway roof, so that roof rock stones are prevented from falling to hurt people.
Preferably, the left leaf protection plate and the right leaf protection plate are respectively provided with a protection plate handle, and the protection plate handles are convenient to operate.
Compared with the prior art, the utility model has the following beneficial effects:
1. The roof protection device directly hangs and acts on a roadway roof, an anchoring assembly is firstly injected into the roadway roof along the tunneling direction of the roadway, a movable shaft is arranged on the anchoring assembly, and then two protection plates are pulled apart along a limiting guide groove, so that the whole roadway roof is covered, and roof rock stones are prevented from falling to hurt people.
2. The safety device for the underground tunnel tunneling roof protection has reasonable design and obvious site construction effect, and is particularly used for temporarily sealing the roof and protecting the roof during tunnel tunneling so as to prevent rock stones on the roof from falling off and protect the safety of tunneling operators; the structure can also be used for providing temporary and rapid protection for a first working procedure during supporting operation, is also suitable for fixing measures of local temporary working areas, is particularly suitable for areas where partial falling exists in roof rock crushing, has obvious advantages in installation, is simple in installation tool, is easy and convenient to operate, can be completed by only 1-2 persons, can be flexibly used according to actual conditions on site during application, exerts better use performance and utilization value, and has better protection effect.
3. Has the effects of integral movement and adjustment, the whole protection plate device (comprising a movable shaft, a protection plate sliding groove, a protection plate and the like) is arranged in the fixed hanging ring of the anchoring component through the movable shaft, the protection plate device can move in a roadway when required, the fixing device of the protection plate sliding groove is fixed on the rock wall of the top plate of the roadway after moving to the working surface of the roadway so as to ensure the stability of the whole protection plate device,
Drawings
FIG. 1 is a schematic view of a sliding push-pull temporary roof guard for an underground roadway installed along the roadway direction;
FIG. 2 is a schematic diagram of the front view of an installation of a sliding push-pull temporary roof guard for a roadway;
FIG. 3 is a schematic cross-sectional view of A-A of FIG. 2;
FIG. 4 is an enlarged view of FIG. 3 at D;
FIG. 5 is a schematic cross-sectional view of B-B of FIG. 3;
FIG. 6 is a schematic view of the installation of the anchor assembly, fixed sling and mobile shaft of FIG. 2 at C;
fig. 7 is a schematic view of the left and right blade guard rollers and the drive motor in another embodiment.
In the figure: 1-an anchor assembly; 2-moving the shaft; 3-a protection plate chute; 4-left leaf protection plate; 5-right leaf guard; 6-limit guide groove, 601-left limit guide groove, 602-right limit guide groove; 7-a guard plate handle; 8-fixing a hanging ring; 9-left leaf shield drum; 10-right leaf shield drum; 11-fixing means; 12-bolts; 13-drive motor.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.
Examples
Referring to fig. 1-6, the sliding push-pull temporary roof protection device for a roadway in a well provided in this embodiment includes an anchor assembly 1, a movable shaft 2, a protection plate chute 3, and a fixing device 11.
The anchor assembly 1 is positioned in a tunnel roof and used as a main hanging device for hanging a component, the movable shaft 2 is hung on the anchor assembly 1 and used as a moving device of a protection plate, so that the protection plate has the function of freely reciprocating on a tunnel working surface, the movable shaft 2 is provided with a protection plate chute 3, the protection plate is slidingly connected in the protection plate chute 3, the fixing device 11 is arranged at the end part of the protection plate chute 3, the fixing device 11 stretches and presses the two sides of the tunnel roof through bolts 12 so as to ensure the stability and the non-shaking of the protection plate chute 3,
The protection plate comprises a left leaf protection plate 4 and a right leaf protection plate 5, and preferably, the left leaf protection plate 4 and the right leaf protection plate 5 are respectively provided with a protection plate handle 7, the protection plate handles 7 are arranged to facilitate operation, in the embodiment, the movable shaft 2 is a movable device hung on the anchoring assembly 1 and used for the protection plate, so that the movable device freely reciprocates on a roadway working surface, the protection plate sliding groove 3 mainly provides a sliding track for the protection plate, and the length direction of the protection plate sliding groove is arched so as to be attached to a roadway top plate; the protection plate is a main top protection device and directly acts on the roadway roof to prevent roof rock from falling and collapsing; the guard plate is the metal material, and has certain intensity and plasticity, if the aluminum alloy that adopts the roller shutter door to use, push-and-pull is carried out mainly through spacing guide slot and cylinder, fixing device 11 is mainly installed at the tip of guard plate spout 3, extend between acting on tunnel roof lateral wall and guard plate spout 3 through the form of turning bolt to guarantee that the stability of guard plate spout 3 does not rock, anchor assembly 1 is the main linkage who pours into the tunnel roof and be used for hanging other components into, anchor assembly 1 is current common technique into.
As shown in fig. 5 and 6, the anchoring assembly 1 is injected into a roadway top plate along the center direction of the roadway, and the lower part of the anchoring assembly 1 is provided with a fixed hanging ring 8, and is firmly installed by tightening bolts; a group of anchoring assemblies 1 are arranged at roadway intervals of 3-5m, and a movable shaft 2 penetrates through the fixed hanging rings 8 and is erected on two adjacent fixed hanging rings 8 to be fixed; the two ends of the movable shaft 2 are connected and fixed with the guard plate sliding groove 3 by bolts to achieve a fixing effect, the movable shaft 2 bears the force of the guard plate sliding groove 3 in the vertical direction through the anchor assembly 1, the guard plate sliding groove 3 is divided into three parts, namely the movable shaft 2, the left-leaf guard plate roller 9 and the right-leaf guard plate roller 10 from top to bottom, the left-leaf guard plate 4 is arranged in a left limiting guide groove 601 of the left-leaf guard plate roller 9 and the guard plate sliding groove 3, the right-leaf guard plate 5 is arranged in a right limiting guide groove 602 of the right-leaf guard plate roller 10 and the guard plate sliding groove 3, the left-leaf guard plate 4 and the right-leaf guard plate 5 are similar to a left-right half-arch roller shutter door, and the guard plate sliding groove 3 enables the whole guard plate to be positioned on the rock walls on two sides of a roadway roof through fixing devices 11 at two ends to ensure the stability of the whole guard plate device.
During installation, the anchoring assembly 1 is injected into a roadway top plate along the central direction of the roadway, the lower part of the anchoring assembly is provided with the fixed hanging ring 8, and the installation of the tightening bolt is firm; the fixed hanging ring 8 adopts a half-type structure of a hoop, is divided into an upper section and a lower section, please refer to fig. 6, and is provided with a group of anchoring components at intervals of 3-5 m; then the movable shaft 2 is hung on the fixed hanging rings 8 and is erected on the two adjacent hanging rings, the fixed hanging rings 8 adopt a half type structure of a hoop so as to facilitate the integral assembly and the integral hoisting of the movable shaft 2 and the protective plate sliding grooves 3 at the front end and the rear end of the movable shaft 2; namely, after two ends of the movable shaft 2 are connected and fixed with the guard plate sliding grooves 3 through bolts, the bolts and nuts of the fixed lifting rings 8 are removed, the lower sections of the fixed lifting rings 8 are taken down, the movable shaft 2 is lifted and lifted into bayonets of the upper sections of the fixed lifting rings 8, and after the lower sections of the fixed lifting rings 8 are folded, the bolts and nuts are quickly screwed, so that the guard plate device (comprising the guard plate sliding grooves) is quickly moved and installed. The movable shaft 2 is moved to the position of the front new fixed lifting ring 8, the fixed lifting ring 8 is opened, the movable shaft 2 is arranged in the fixed lifting ring 8, the fixed lifting ring 8 is closed, the old position fixed lifting ring 8 at the tail of the movable shaft 2 is opened, the movable shaft 2 and the like are separated from each other, and the fixing device 11 of the protective plate sliding groove 3 is fixed on the rock wall of the roadway roof after the movable shaft 2 is moved to the roadway working surface.
Preferably, the protection plate is made of metal, aluminum alloy used for the roller shutter door is adopted, the overall strength is further improved, and of course, PVC high-strength base cloth, anchor net and the like for high-resistance engineering can also be adopted in practice, the technology is equivalent, the left leaf protection plate 4 and the right leaf protection plate 5 which can resist impact are pushed away along the protection plate sliding groove 3, so that the whole roadway roof is covered, and when the roller shutter door is used, the Zuo She protection plate 4 and the right leaf protection plate 5 which are arranged on two leaves are pushed away along the protection plate sliding groove 3, so that the whole roadway roof is covered, and the roof rock stone is prevented from falling to hurt people.
The use principle of the structure is as follows: in the use process, the two left leaf protection plates 4 and the right leaf protection plates 5 are pushed away along the limit guide groove 6 of the protection plate sliding groove 3, so that the whole roadway roof is covered, and the roof rock stones are prevented from falling to hurt people; the guard plate handle 7 facilitates the user to move the left leaf guard plate 4 and the right leaf guard plate 5, and after the left leaf guard plate 4 and the right leaf guard plate 5 are unfolded in place, the guard plate end and the corresponding guard plate sliding groove 3 can be provided with a bolt opening, inserted with a bolt for positioning, and the guard plate end can also be provided with a hanging ring, and the guard plate sliding groove 3 is provided with a hook for hooking the hook into the hanging ring, so that the left leaf guard plate 4 and the right leaf guard plate 5 are limited to be rolled back onto the left leaf guard plate roller 9 and the right leaf guard plate roller 10. Therefore, the structure is mainly applied to temporarily sealing and roof protection for the roof during tunnel excavation, and roof rock fall is prevented so as to protect the safety of excavation operators; the structure can also be used for providing temporary and rapid protection for a first working procedure during supporting operation, is also suitable for fixing measures of local temporary working areas, is particularly suitable for areas where partial falling exists in roof rock crushing, has obvious advantages in installation, is simple in installation tool, is easy and convenient to operate, can be completed by only 1-2 persons, can be flexibly used according to actual conditions on site during application, exerts better use performance and utilization value, and has better protection effect.
Examples
As shown in fig. 7, the present embodiment is different from the first example in that it further includes a driving motor 13 and the like, the stowing and deploying forms of the left and right leaf shield plates 4 and 5 adopt the existing rolling door structure, and the left and right leaf shield plates 4 and 5 resemble left and right half arch rolling doors, which can be stowed and deployed either manually or electrically by using the driving motor 13, which is the prior art.
In summary, the protection plate with corresponding specification is manufactured according to the roadway width of the actual construction condition in advance, so that the on-site construction is met and satisfied, a safe, efficient, quick and practical device is provided, and the safety risk of the operation of operators in the naked roadway is greatly reduced.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model.
Claims (6)
1. The utility model provides a slip push-pull type temporary roof protection device in pit tunnel, includes anchor subassembly (1), its characterized in that: still include removal axle (2), guard plate spout (3) and fixing device (11), anchor subassembly (1) be located the tunnel roof as the main linkage who is used for hanging the component of establishing, remove axle (2) hang on anchor subassembly (1) and be used for as the mobile device of guard plate be provided with on removal axle (2) guard plate spout (3), guard plate sliding connection be in guard plate spout (3), fixing device (11) install the tip at guard plate spout (3), just screw thread installs bolt (12) on fixing device (11) to guarantee the stability of guard plate spout (3) and not rock, the guard plate include left leaf guard plate (4) and right leaf guard plate (5).
2. The downhole roadway sliding push-pull temporary roof guard as claimed in claim 1, wherein: the anchoring assembly (1) is injected into the roadway top plate along the roadway center direction, the lower part of the anchoring assembly (1) is provided with a fixed hanging ring (8), the fixed hanging ring (8) is fixed with the anchoring assembly (1), and a group of anchoring assemblies (1) are arranged at roadway intervals of 3-5 m.
3. The downhole roadway sliding push-pull temporary roof guard as claimed in claim 2, wherein: the movable shaft (2) passes through the fixed hanging rings (8) and is erected on the two adjacent fixed hanging rings (8), and two ends of the movable shaft (2) are respectively fixed with a protection plate sliding groove (3).
4. A sliding push-pull temporary roof support for a roadway in a well as claimed in claim 3, wherein: the protection plate sliding chute (3) is divided into three parts, namely a movable shaft (2), a left leaf protection plate roller (9) and a right leaf protection plate roller (10) from top to bottom, the left leaf protection plate (4) is arranged in a left limit guide groove (601) of the left leaf protection plate roller (9) and the protection plate sliding chute (3), and the right leaf protection plate (5) is arranged in a right limit guide groove (602) of the right leaf protection plate roller (10) and the protection plate sliding chute (3).
5. A sliding push-pull temporary roof support for a roadway in a well as claimed in any one of claims 2-4, wherein: the fixed hanging ring (8) is of a hoop half type structure.
6. The downhole roadway sliding push-pull temporary roof guard as claimed in claim 1, wherein: the left leaf protection plate (4) and the right leaf protection plate (5) are respectively provided with a protection plate handle (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322539627.1U CN220815696U (en) | 2023-09-19 | 2023-09-19 | Sliding push-pull type temporary roof protection device for underground roadway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322539627.1U CN220815696U (en) | 2023-09-19 | 2023-09-19 | Sliding push-pull type temporary roof protection device for underground roadway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220815696U true CN220815696U (en) | 2024-04-19 |
Family
ID=90674092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322539627.1U Active CN220815696U (en) | 2023-09-19 | 2023-09-19 | Sliding push-pull type temporary roof protection device for underground roadway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220815696U (en) |
-
2023
- 2023-09-19 CN CN202322539627.1U patent/CN220815696U/en active Active
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