CN207701152U - Support system for coal road weak broken top plate - Google Patents
Support system for coal road weak broken top plate Download PDFInfo
- Publication number
- CN207701152U CN207701152U CN201820067368.3U CN201820067368U CN207701152U CN 207701152 U CN207701152 U CN 207701152U CN 201820067368 U CN201820067368 U CN 201820067368U CN 207701152 U CN207701152 U CN 207701152U
- Authority
- CN
- China
- Prior art keywords
- support
- frame
- head piece
- canopy
- fastenedly connected
- 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
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a kind of support systems for coal road weak broken top plate, it includes two top canopy legs, two lower part canopy legs, head piece and arch support beam to support frame, the upper end of two top canopy legs overlaps with the both ends of head piece fix respectively, the lower end of two top canopy legs is fastenedly connected with after the overlapping of the upper end of two lower part canopy legs by card cable respectively, arch support beam is arranged immediately below head piece, the middle part of arch support beam and the middle part of head piece overlap, and the both ends of arch support beam are fastenedly connected with after two top canopy leg overlappings by card cable；Metal support network is placed on the head piece top of multiple support frames, is fastenedly connected by side portion's connector between the lower part canopy leg of multiple support frames, is fastenedly connected by top connector between the head piece of multiple support frames.The utility model has preferable setting load and sustainable offer high resistance, makes roadway surrounding rock homogeneous deformation and can reach the support action to coal road with country rock cooperative transformation.
Description
Technical field
The utility model is related to a kind of coal roadway support system, specifically a kind of supporting system for coal road weak broken top plate
System.
Background technology
With the extensive exploitation of coal resources, the roadway surrounding rock control under the conditions of all difficulties is to restrict coal resources peace
Entirely, one of the principal element of high-efficiency mining.Especially regional in south China, butt entry roof country rock is weak, broken and thickness is larger,
Compound butt entry roof under the influence of such as structural belt, it is weak it is cementing under the conditions of coal road mat.Such tunnel self-stable ability
Difference, time to rupture are short, and common bolt, cable bolting are difficult to form stable anchored end, can only use the passive protectings knots such as frame
Structure.Traditional frame supporting lacks enough bearing capacitys again and setting load is hardly formed that bearing capacity is strong, active of good integrity
Supporting construction system, it is difficult to maintain stabilization of the tunnel in exploitation process.In order to solve the support issues in such tunnel, one is needed
Country rock overall system control of the kind with enough bearing capacitys and setting load and with integrated support effect.
Invention content
In view of the above-mentioned problems of the prior art, the utility model provides a kind of branch for coal road weak broken top plate
Protecting system has preferable setting load, and sustainable offer high resistance, makes roadway surrounding rock homogeneous deformation and can be assisted with country rock
With deformation, to reach the support action to coal road.
To achieve the goals above, the technical solution adopted in the utility model is：One kind being used for coal road weak broken top plate
Support system, including multiple support frames and metal support network arranged in parallel, the support frame includes on two
Portion's canopy leg, two lower part canopy legs, head piece and arch support beam, the upper ends of two top canopy legs respectively with two endlaps of head piece
It closes and fixes, the lower end of two top canopy legs is fastenedly connected with after the overlapping of the upper end of two lower part canopy legs by card cable respectively, arch
Supporting beam is arranged immediately below head piece, and the middle part of arch support beam and the middle part of head piece overlap, the both ends of arch support beam
It is fastenedly connected respectively by card cable with after two top canopy leg overlappings；The metal support network is placed on the top of multiple support frames
Crossbeam top, it is the multiple support frame lower part canopy leg between be fastenedly connected by side portion's connector, the multiple support canopy
It is fastenedly connected by top connector between the head piece of frame.
Further, the metal support network is the double-level-metal net being arranged to overlap.
Further, the top canopy leg is made of a liter frame backing plate I, supporting beam I and upper pallet, and upper pallet is fixed on branch
The upper end of beam I is supportted, frame backing plate I is risen and is fixed in the groove of supporting beam I.
Further, the lower part canopy leg is made of a liter frame backing plate II, supporting beam II and lower pallet, and lower pallet is fixed on
The lower end of supporting beam II rises frame backing plate II and is fixed in the groove of supporting beam II.
Further, the both ends of the arch support beam, which are equipped with, rises frame backing plate III.
Further, the top connector includes frame linking straight panel I and multiple U-shaped card hoops I, and the frame linking straight panel I opens up more
A slotted eye, multiple U-shaped card hoops I are fastenedly connected by bolt and nut and the slotted eye of frame linking straight panel I.
Further, the portion of side connector includes frame linking straight panel II and multiple U-shaped card hoops II, and the frame linking straight panel II opens up
Multiple slotted eyes, multiple U-shaped card hoops II are fastenedly connected by bolt and nut and the slotted eye of frame linking straight panel II.
Further, further include anchor pole, the frame linking straight panel II is equipped with oval bolthole, and anchor pole one end passes through oval anchor
Rod aperture is fastenedly connected with frame linking straight panel II.
Compared with prior art, the utility model is combined mode using support frame and metal support network, has following
Advantage：
1, the utility model be provided with arch support beam, increase the supporting point of head piece, be equivalent to reduce head piece across
Degree, increases the bearing capacity of frame support top beam, overcomes the disadvantage of single crossbeam bending resistance deficiency；
2, the utility model has been employed many times liter frame device and has carried out holder installation, and so that frame is connect top has certain setting load,
Frame supporting is become into active support from passive protecting；
3, the utility model is provided with a liter frame backing plate, a side at lower part canopy leg, top canopy leg and arch support beam both ends
Face provides acting surface to rise frame device, on the other hand can control the maximum deflection amount of deflection of the maximum amount of shifting near and head piece of roof and floor,
Make it have certain deformability.I.e. when top canopy leg and the lower part canopy leg compression changing of the relative positions make the liter frame pad contact of the two
Reach frame maximum can contracting beam, at this time the maximum amount of shifting near of roof and floor reach maximum, when head piece bending subsidence makes arch branch
When supportting the liter frame pad contact of beam and top canopy leg, top beam no longer has sinking deformability, at this time the sag of head piece
Reach maximum；
4, the utility model uses lower part backing plate in the lower part lower ends Peng Tui, prevents the insertion of canopy leg weak to a certain extent
Bottom plate；And when holder contractibility reaches maximum, make holder that still there is certain cooperative transformation ability in vertical direction；
5, the utility model has used double-level-metal net, reduces the wind that support force unevenness is caused on breaking roof leakage top
Danger, while well ensuring the globality to breaking roof supporting；
6, it is provided with anchor pole on side portion's connector, the stability of canopy leg can be improved, overcome frame cross-brace hypodynamic
Disadvantage, while increasing the stability of entire support system；
7, the hole in frame linking straight panel I and frame linking straight panel II is disposed as elliptical aperture, on the one hand reduce the frame set-up time away from
On the other hand the erection stress that error band comes makes frame have certain cooperative transformation ability along roadway direction.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the front view of the utility model；
Fig. 3 is the vertical view of Fig. 2；
Fig. 4 is the structural schematic diagram of the utility model middle and lower part canopy leg；
Fig. 5 is the structural schematic diagram of the utility model middle and upper part canopy leg；
Fig. 6 is the structural schematic diagram of top connector in the utility model；
Fig. 7 is the structural schematic diagram of side portion's connector in the utility model；
Fig. 8 is that frame device structural schematic diagram is risen in the utility model.
In figure：1, head piece, 2, top canopy leg, 2.1, upper pallet, 2.2, supporting beam I, 2.3, rise frame backing plate I, 3, top
Portion's connector, 3.1, U-shaped card hoop I, 3.2, frame linking straight panel I, 4, arch support beam, 5, card cable, 6, side portion's connector, 6.1, U-shaped
Clip II, 6.2, frame linking straight panel II, 7, anchor pole, 8, lower part canopy leg, 8.1, supporting beam II, 8.2, rise frame backing plate II, 8.3, lower part
Supporting plate, 9, metal support network, 10, rise frame device.
Specific implementation mode
The utility model is described in further detail below.
As shown in Figures 1 to 8, the utility model includes multiple support frames arranged in parallel and metal support network 9,
The support frame includes two top canopy legs, 2, two lower part canopy legs 8, head piece 1 and arch support beam 4, two top canopy legs
2 upper end overlaps with the both ends of head piece 1 fix respectively, and the lower ends of two top canopy legs 2 is upper with two lower part canopy legs 8 respectively
Endlap is fastenedly connected after closing by card cable 5, the setting of arch support beam 4 immediately below head piece 1, the middle part of arch support beam 4 with
The middle part of head piece 1 overlaps, and the both ends of arch support beam 4 fasten company with after two overlappings of top canopy legs 2 by card cable 5 respectively
It connects；The metal support network 9 is placed on 1 top of head piece of multiple support frames, the lower part canopy leg 8 of the multiple support frame
Between be fastenedly connected by side portion's connector 6, it is the multiple support frame head piece 1 between fastened by top connector 3
Connection.
Further, the metal support network 9 is the double-level-metal net being arranged to overlap.The structure can reduce breaking roof leakage top
The risk of support force unevenness is caused, while well ensuring the globality to breaking roof supporting.
Further, the top canopy leg 2 is made of a liter frame backing plate I 2.3, supporting beam I 2.2 and upper pallet 2.1, top support
Plate 2.1 is fixed on the upper end of supporting beam I 2.2, rises frame backing plate I 2.3 and is fixed in the groove of supporting beam I 2.2.This structure is not only
Convenient for carrying out supporting to top canopy leg 2, and it is more stable after supporting.
Further, the lower part canopy leg 8 is made of a liter frame backing plate II 8.2, supporting beam II 8.1 and lower pallet 8.3, lower part
Supporting plate 8.3 is fixed on the lower end of supporting beam II 8.1, rises frame backing plate II 8.2 and is fixed in the groove of supporting beam II 8.1.This knot
Structure is not only convenient for carrying out supporting to lower part canopy leg 8, and more stable after supporting.
Further, the both ends of the arch support beam 4, which are equipped with, rises frame backing plate III.This structure is convenient for arch support beam 4
Carry out supporting.
Further, the top connector 3 includes frame linking straight panel I 3.2 and multiple U-shaped card hoops I 3.1, the frame linking straight panel I
3.2 open up multiple slotted eyes, and multiple U-shaped card hoops I 3.1 are fastened by bolt and nut and the slotted eye of frame linking straight panel I 3.2
Connection.This structure has certain deformability convenient for support system, to improve support action.
Further, the portion of side connector 6 includes that frame linking straight panel II 6.2 and multiple U-shaped card hoops II 6.1, the frame linking are straight
Plate II 6.2 opens up multiple slotted eyes, and multiple U-shaped card hoops II 6.1 pass through bolt and the ellipse of nut and frame linking straight panel II 6.2
Hole is fastenedly connected.This structure has certain deformability convenient for support system, to improve support action.
Further, further include anchor pole 7, the frame linking straight panel II 6.2 is equipped with oval bolthole, and 7 one end of anchor pole passes through ellipse
Round bolthole is fastenedly connected with frame linking straight panel II 6.2.The stability that canopy leg can be improved in anchor pole 7 is added, frame is overcome laterally to prop up
The disadvantage of support force deficiency, while increasing the stability of entire support system.
The Bracing Process of the utility model is：
A, lower part canopy leg 8 and top canopy leg 2 are overlapped respectively in roadway's sides after excavating tunnel, and using card cable 5 into
The preliminary fastening of row, then places the U-shaped card hoop II 6.1 of side portion's connector 6, after so that lower part canopy leg 8 and top canopy leg 2 is fastenedly connected
Form canopy leg support construction；
B, head piece 1 is placed in upper pallet 2.1, and double-level-metal net is laid on 1 top of head piece, in head piece 1
Place the U-shaped card hoop I 3.1 of top connector 3 in middle part；
C, frame device 10 (being the jack that stroke meets liter frame demand) will be risen and be placed in the liter frame backing plate II of lower part canopy leg 8
Between 8.2 and the liter frame backing plate I 2.3 of top canopy leg 2, top canopy leg 2 is up pushed away by liter frame device 10, gives 1 both ends of head piece
There is provided setting load makes head piece 1 be close to back, and generates certain active support power, then tightens connection lower part canopy again
Leg 8 takes out with after the card cable 5 of top canopy leg 2 and rises frame device 10；
D, arch support beam 4 is placed between top canopy leg 2 and head piece 1, vault and the head piece 1 of arch support beam 4
Midpoint overlapping, 4 both ends of arch support beam and top canopy leg 2 overlap, and using the tentatively fastening of card cable 5；
E, liter frame device 10 is placed between the liter frame backing plate I 2.3 of top canopy leg 2 and the liter frame backing plate III of arch support beam 4,
Arch support beam 4 is up pushed away by a liter frame device 10, setting load is provided to 1 middle part of head piece, improves the active of head piece 1 again
Support action, and the card cable 5 at 4 both ends and top canopy leg 2 of connection arch support beam is tightened again, it takes out and rises frame device 10；
F, repetition step A~E, the next support frame of installation spaced apart, and between two frame of tunnel portion of side
Drill through oval bolthole；
G, by the frame linking straight panel I 3.2 of top connector 3 and the connection straight panel II 6.2 of side portion's connector 6 respectively with put in advance
U-shaped card hoop I 3.1 and U-shaped card hoop II 3.2 fastening set, make two neighboring frame be fastenedly connected, and in connection straight panel II 6.2
Anchor pole 7 is fixedly mounted in oval bolthole；
H, step A~G is repeated, the support system until forming coal road weak broken top plate completes support work.
Claims (8)
1. a kind of support system for coal road weak broken top plate, which is characterized in that including multiple branch arranged in parallel
Frame and metal support network (9) are supportted, the support frame includes two top canopy legs (2), two lower part canopy legs (8), head pieces
(1) and arch support beam (4), the upper end of two top canopy legs (2) overlaps with the both ends of head piece (1) fix respectively, on two
The lower end of portion's canopy leg (2) is fastenedly connected with after the overlapping of the upper end of two lower part canopy legs (8) by card cable (5) respectively, arch support
Beam (4) setting is immediately below head piece (1), and the middle part of arch support beam (4) is overlapped with the middle part of head piece (1), arch support
The both ends of beam (4) are fastenedly connected after being overlapped respectively with two top canopy legs (2) by card cable (5)；The metal support network (9) is put
It sets and is connected by portion of side between head piece (1) top of multiple support frames, the lower part canopy leg (8) of the multiple support frame
Device (6) is fastenedly connected, and is fastenedly connected by top connector (3) between the head piece (1) of the multiple support frame.
2. the support system according to claim 1 for coal road weak broken top plate, which is characterized in that the metal branch
It is the double-level-metal net being arranged to overlap to support net (9).
3. the support system according to claim 1 for coal road weak broken top plate, which is characterized in that the top canopy
Leg (2) is made of a liter frame backing plate I (2.3), supporting beam I (2.2) and upper pallet (2.1), and upper pallet (2.1) is fixed on support
The upper end of beam I (2.2) rises frame backing plate I (2.3) and is fixed in the groove of supporting beam I (2.2).
4. the support system according to claim 1 for coal road weak broken top plate, which is characterized in that the lower part canopy
Leg (8) is made of a liter frame backing plate II (8.2), supporting beam II (8.1) and lower pallet (8.3), and lower pallet (8.3) is fixed on branch
The lower end of beam II (8.1) is supportted, frame backing plate II (8.2) is risen and is fixed in the groove of supporting beam II (8.1).
5. the support system according to claim 1 for coal road weak broken top plate, which is characterized in that the arch branch
The both ends for supportting beam (4) are equipped with liter frame backing plate III.
6. the support system according to claim 1 for coal road weak broken top plate, which is characterized in that the top connects
It includes frame linking straight panel I (3.2) and multiple U-shaped card hoops I (3.1) to connect device (3), and the frame linking straight panel I (3.2) opens up multiple ellipses
Hole, multiple U-shaped card hoops I (3.1) are fastenedly connected by bolt and nut and the slotted eye of frame linking straight panel I (3.2).
7. the support system according to claim 1 for coal road weak broken top plate, which is characterized in that the portion of side connects
It includes frame linking straight panel II (6.2) and multiple U-shaped card hoops II (6.1) to connect device (6), and the frame linking straight panel II (6.2) opens up multiple ellipse
Round hole, multiple U-shaped card hoops II (6.1) are fastenedly connected by bolt and nut and the slotted eye of frame linking straight panel II (6.2).
8. the support system according to claim 7 for coal road weak broken top plate, which is characterized in that further include anchor pole
(7), the frame linking straight panel II (6.2) is equipped with oval bolthole, and anchor pole (7) one end passes through oval bolthole and frame linking straight panel
II (6.2) are fastenedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820067368.3U CN207701152U (en) | 2018-01-16 | 2018-01-16 | Support system for coal road weak broken top plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820067368.3U CN207701152U (en) | 2018-01-16 | 2018-01-16 | Support system for coal road weak broken top plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207701152U true CN207701152U (en) | 2018-08-07 |
Family
ID=63035271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820067368.3U Active CN207701152U (en) | 2018-01-16 | 2018-01-16 | Support system for coal road weak broken top plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207701152U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108049898A (en) * | 2018-01-16 | 2018-05-18 | 湖南科技大学 | A kind of support system and its method for protecting support for coal road weak broken top plate |
| CN110566249A (en) * | 2019-10-14 | 2019-12-13 | 胡俏俊 | Temporary support for coal mine tunnel |
| CN111946371A (en) * | 2020-09-03 | 2020-11-17 | 迁安市凯达工贸有限责任公司 | Support system for mining roof and anchor rod machine for underground mining |
-
2018
- 2018-01-16 CN CN201820067368.3U patent/CN207701152U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108049898A (en) * | 2018-01-16 | 2018-05-18 | 湖南科技大学 | A kind of support system and its method for protecting support for coal road weak broken top plate |
| CN108049898B (en) * | 2018-01-16 | 2024-01-26 | 湖南科技大学 | Supporting system and supporting method for weak broken roof of coal roadway |
| CN110566249A (en) * | 2019-10-14 | 2019-12-13 | 胡俏俊 | Temporary support for coal mine tunnel |
| CN111946371A (en) * | 2020-09-03 | 2020-11-17 | 迁安市凯达工贸有限责任公司 | Support system for mining roof and anchor rod machine for underground mining |
| CN111946371B (en) * | 2020-09-03 | 2022-03-11 | 迁安市凯达工贸有限责任公司 | Support system for roof of mining of roof bolter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207701152U (en) | Support system for coal road weak broken top plate | |
| CN108049898A (en) | A kind of support system and its method for protecting support for coal road weak broken top plate | |
| CN207277828U (en) | Nonstandard interlayer is used for the attaching structure that climbs of creeping formwork frame body | |
| CN103397597B (en) | A kind of large-tonnage combination anchor system and method being applicable to steep rock side slope | |
| WO2022258080A1 (en) | Steel plate belt suspension bridge and construction method therefor | |
| CN209555782U (en) | A kind of truss I steel composite type bent cap anchor ear construction bracket | |
| CN208831890U (en) | A kind of high-strength anti-seismic suspension and support | |
| CN202215040U (en) | Telescopic adjustable temporary wire drawing device for transmission line pole/tower | |
| CN102817617B (en) | Novel inhaul cable type shield originating backrest substrate system | |
| CN106436590B (en) | A kind of ring orientation prestress anchoring counter-force deviation correcting device for the horizontal correction of bridge | |
| CN209040280U (en) | A kind of assembled connecting node of double brackets | |
| CN203430534U (en) | U-shaped roof supporting structure | |
| CN207260375U (en) | A kind of steel plate concrete combined shear wall | |
| CN103244158B (en) | Strengthening structure for integrated bolting with bar and wire mesh | |
| CN206204806U (en) | A kind of ring orientation prestress for the correction of bridge level anchors counter-force deviation correcting device | |
| CN103334585B (en) | Assembling structure for beam/column with wood or bamboo template, and assembling method thereof | |
| CN214995799U (en) | Tool type wall hanging cantilever frame | |
| CN211369459U (en) | Soft platform of steel construction | |
| CN211006709U (en) | Assembled retaining structure connecting device | |
| CN211849631U (en) | Bury formula steel limit rubber waterstop fixing device in underground structure | |
| CN210658887U (en) | Novel prestressed arch corrugated steel roof system for enhancing bearing capacity through inhaul cables and rigid supporting rods | |
| CN208310823U (en) | A kind of large span rectangular shaped roadways H shaped steel shack supporting construction | |
| CN210013444U (en) | Closed cantilever scaffold system | |
| CN208201672U (en) | For carrying out the truss of Shear Strengthening to Reinforced Concrete Bridge | |
| CN209144645U (en) | A kind of bridge expansion joint installation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |