CN213331135U - Roof supporting construction for coal mine excavation - Google Patents
Roof supporting construction for coal mine excavation Download PDFInfo
- Publication number
- CN213331135U CN213331135U CN202022263980.8U CN202022263980U CN213331135U CN 213331135 U CN213331135 U CN 213331135U CN 202022263980 U CN202022263980 U CN 202022263980U CN 213331135 U CN213331135 U CN 213331135U
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- supporting
- protective plate
- middle section
- section
- hydraulic cylinder
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Abstract
The utility model discloses a roof supporting structure for coal mining, which is suitable for supporting the roof with different radians and widths by a top section supporting protective plate, a middle section supporting protective plate and a tail section supporting protective plate, and is characterized in that one end of a main supporting beam is fixedly arranged in the middle of the beam, the other end of the beam is provided with the top section supporting protective plate which is an arc-shaped plate, a reinforcing rib is arranged between the top section supporting protective plate and the main supporting beam, two middle section hydraulic cylinders are symmetrically arranged on the main supporting beam, a hinge lug is arranged on the middle section hydraulic cylinder, the middle section supporting plate is hinged with the hinge lug on the middle section hydraulic cylinder, at least two straight circular grooves are arranged on the middle section supporting protective plate, two tail section hydraulic cylinders are symmetrically arranged on the main supporting beam, the tail section hydraulic cylinders are provided with hinge lugs, the tail section supporting protective plate is hinged with the hinge lugs on the tail section hydraulic cylinders, at least two straight circular grooves are arranged on the tail section supporting protective plate, two long circular grooves are formed in the top supporting and protecting plate.
Description
Technical Field
The utility model relates to a roof supporting construction for coal mine excavation relates to a structure of carrying out the supporting to the roof in coal mine excavation, belongs to the coal mine equipment field. In particular to a supporting structure which is supported by a top section supporting and protecting plate, a middle section supporting and protecting plate and a tail section supporting and protecting plate and is suitable for top plates with different radians and widths.
Background
In order to reduce the stability that roof fall accident takes place probability and improve the tunnel structure in coal mining, can adopt supporting construction to support the tunnel roof in order to guarantee the security of production operation usually, but because the tunnel roof is not the ideal plane, traditional plate support connects the top area little, it is poor to the support nature of tunnel country rock, simultaneously because the tunnel width of tunnel roof differs, need make the backplate according to specific tunnel roof width when leading to strutting, comparatively inconvenient, construction cost is high and the construction is complicated, the construction period of tunnelling has been increased.
Notice No. CN209308718U discloses a colliery underworkings supporting device, including base and supporting roof, the spout has been seted up at the top of base, be equipped with threaded rod and movable block in the spout, the top of movable block articulates there is the bracing piece, the both sides of supporting roof are rotated and are connected with the collateral branch fagging, the welding of the bottom both sides of supporting roof has the slide rail, sliding connection has the slider on the slide rail, the bottom of slider articulates there is the connecting rod, the other end of connecting rod articulates on the collateral branch fagging, be equipped with the fixed slot in the middle of the bottom of supporting roof, the welding of the bottom of supporting roof has two fixing bolt, threaded connection has the fixed plate.
Notice No. CN211342967U discloses a colliery tunnelling supporting device, including tunnel main part, inner holding plate and telescopic bracket, the top center of inner holding plate is provided with the arch, the center that the center of telescopic bracket corresponds the inner holding plate is provided with telescopic bracket, telescopic bracket's top corresponds the inner holding plate and is provided with the roof to contradict the setting through the inside terminal surface of roof and inner holding plate, the outside terminal surface and the tunnel main part inner top of inner holding plate correspond the setting, the attached setting in touch panel and tunnel main part inner wall both sides, the touch panel passes through telescopic bracket and the conflict fixed mounting of tunnel main part inner wall, and this supporting device can't be according to the radian demand of roof and strut the radian change of support body, and the area of meeting with the roof is little when strutting.
Disclosure of Invention
In order to improve the condition, the utility model relates to a roof supporting construction for coal mine excavation provides one kind and props through the back-up section backplate, the middle section backplate, the end supporting plate is strutted, adapts to the supporting construction of the roof of different radians, width.
The utility model relates to a roof supporting construction is used in colliery excavation is realized like this: the utility model relates to a roof supporting structure for coal mining, which comprises a top section supporting protective plate, stiffening ribs, an outer reinforcing rod, a middle section hydraulic cylinder, a tail section hydraulic cylinder, a crossbeam, a main hydraulic cylinder, inserted nails, a base, a tail section supporting protective plate, a middle section supporting protective plate, hinge lugs, an inner reinforcing rod, a main supporting beam and straight circular grooves, wherein one end of the main supporting beam is fixedly arranged in the middle part of the crossbeam, the other end of the crossbeam is provided with the top section supporting protective plate which is an arc-shaped plate, reinforcing ribs are arranged between the top section supporting protective plate and the main supporting beam, two middle section hydraulic cylinders are symmetrically arranged on the main supporting beam, the middle section hydraulic cylinder is provided with the hinge lugs, the middle section supporting plate is hinged with the hinge lugs on the middle section hydraulic cylinder, the middle section supporting protective plate is provided with at least two straight circular grooves, the main supporting beam is symmetrically provided with two tail section hydraulic cylinders, the tail section hydraulic cylinder is provided with the hinge lugs, and the tail section supporting protective plate is hinged with the, the hydraulic support device is characterized in that at least two straight circular grooves are formed in the end support guard plate, two long circular grooves are formed in the top support guard plate, one ends of two outer reinforcing rods are arranged on the cross beam, the bottom of the support plate at the top end of the other end of each outer reinforcing rod is connected, the outer reinforcing rods are sequentially connected with a terminal hydraulic rod and a middle hydraulic cylinder, one ends of two inner reinforcing rods are arranged on the cross beam, the bottom of the support plate at the top end of the other end of each inner reinforcing rod is connected, the inner reinforcing rods are located between the two outer reinforcing rods, the inner reinforcing rods are sequentially connected with the terminal hydraulic rod and the middle hydraulic cylinder, at least two main hydraulic cylinders are arranged at the bottom of the cross beam, a base is arranged at the bottom of each main hydraulic cylinder, and a plurality of inserting.
Advantageous effects
The tunnel roof support device has the advantages that good roof contact and lamination can be carried out on the tunnel roof, the actual support area is larger, and the support effect is good.
And secondly, the support width of the roadway roof can be regulated and controlled, and the application range is wide.
Drawings
Fig. 1 is a schematic structural view of a roof support structure for coal mining of the present invention;
fig. 2 the utility model relates to a roof supporting construction's for coal mining three-dimensional structure chart.
In the attached drawings
Wherein the method comprises the following steps: backplate 1 is supported to the top segment, stiffening rib 2, outer stiffener 3, middle section pneumatic cylinder 4, end section pneumatic cylinder 5, crossbeam 6, main pneumatic cylinder 7, insert nail 8, base 9, backplate 10 is supported to the end section, backplate 11 is supported in the middle section, articulated ear 12, interior stiffener 13, main supporting beam 14, straight circular slot 15.
The specific implementation mode is as follows:
the utility model relates to a roof supporting construction is used in colliery excavation is realized like this: the utility model relates to a roof supporting structure for coal mining, which comprises a top section supporting and protecting plate 1, stiffening ribs 2, an outer reinforcing rod 3, a middle section hydraulic cylinder 4, a tail section hydraulic cylinder 5, a beam 6, a main hydraulic cylinder 7, an insert nail 8, a base 9, a tail section supporting and protecting plate 10, a middle section supporting and protecting plate 11, a hinge lug 12, an inner reinforcing rod 13, a main supporting beam 14 and a straight circular groove 15, wherein one end of the main supporting beam 14 is fixedly arranged in the middle of the beam 6, the other end of the beam 6 is provided with the top section supporting and protecting plate 1, the top section supporting and protecting plate 1 is an arc-shaped plate, a reinforcing rib is arranged between the top section supporting and protecting plate 1 and the main supporting beam 14, two middle section hydraulic cylinders 4 are symmetrically arranged on the main supporting beam 14, the middle section hydraulic cylinder 4 is provided with the hinge lug 12, the middle section supporting and protecting plate 11 is hinged with the lug 12 on the middle section hydraulic cylinder 4, at least two straight circular grooves 15 are arranged on the middle section supporting and the main, the end section hydraulic cylinder 5 is provided with a hinged lug 12, the end section support guard plate 10 is hinged with the hinged lug 12 on the end section hydraulic cylinder 5, the end section support guard plate 10 is provided with at least two straight circular grooves 15, the top end support guard plate is provided with two long circular grooves, one ends of two outer reinforcing rods 3 are arranged on a cross beam 6, the bottom of the other end top section support guard plate 1 of each outer reinforcing rod 3 is connected, the outer reinforcing rods 3 are sequentially connected with a tail end hydraulic rod and a middle section hydraulic cylinder 4, one ends of two inner reinforcing rods 13 are arranged on the cross beam 6, the bottom of the other end top section support guard plate 1 of each inner reinforcing rod 13 is connected, each inner reinforcing rod 13 is positioned between the two outer reinforcing rods 3, each inner reinforcing rod 13 is sequentially connected with the tail end hydraulic rod and the middle section hydraulic cylinder 4, at least two main hydraulic cylinders 7 are arranged at the bottom of the cross beam 6, a base 9 is arranged at the bottom, a plurality of plug pins 8 are arranged on the base 9;
when the device is used, firstly, the main hydraulic cylinder 7 cylinder insert nails 8 are installed and fixed on two sides of a roadway, the height of the main hydraulic cylinder 7 is adjusted to enable the top section support guard plate 1 to be attached to a roadway top plate, then the middle section hydraulic cylinder 4 and the tail section hydraulic cylinder 5 are controlled to stretch out and draw back, the middle section support guard plate 11 and the tail section support guard plate 10 are attached to the roadway top plate to be supported, meanwhile, the middle section support guard plate 11 and the tail section support guard plate 10 rotate to adapt to top plates with different radians, and a worker can insert an anchor rod into the roadway top plate through a long circular groove to be installed and fixed, so;
the design of a reinforcing rib is arranged between the top section supporting and protecting plate 1 and the main supporting beam 14, so that the connecting strength between the top section supporting and protecting plate 1 and the main supporting beam 14 is enhanced, and the stability of the supporting structure is good;
the design of the outer reinforcing rods 3 and the inner reinforcing rods 13 can support and reinforce the supporting structure, so that the stability of the supporting structure is good;
the purpose of adapting to the top plates with different radians and widths by supporting the top section supporting and protecting plate 1, the middle section supporting and protecting plate 11 and the end section supporting and protecting plate 10 is achieved.
Claims (5)
1. The utility model provides a roof supporting construction for coal mine excavation, characterized by: the device comprises a top section supporting protective plate, a stiffening rib, an outer reinforcing rod, a middle section hydraulic cylinder, a tail section hydraulic cylinder, a cross beam, a main hydraulic cylinder, an insert nail, a base, a tail section supporting protective plate, a middle section supporting protective plate, a hinge lug, an inner reinforcing rod, a main supporting beam and straight circular grooves, wherein one end of the main supporting beam is fixedly arranged in the middle of the cross beam, the other end of the cross beam is provided with the top section supporting protective plate, the main supporting beam is symmetrically provided with two middle section hydraulic cylinders, the middle section hydraulic cylinder is provided with the hinge lug, the middle section supporting plate is hinged with the hinge lug on the middle section hydraulic cylinder, the middle section supporting protective plate is provided with at least two straight circular grooves, the main supporting beam is symmetrically provided with two tail section hydraulic cylinders, the tail section hydraulic cylinder is provided with the hinge lug, the tail section supporting protective plate is hinged with the hinge lug on the tail section hydraulic cylinder, the tail section supporting protective plate is hinged with the hinge lug on the tail section, the crossbeam is arranged in to the one end of two outer stiffeners, the other end top support plate bottom of outer stiffener is connected, outer stiffener is connected with terminal hydraulic stem, middle section pneumatic cylinder in proper order, and on the crossbeam was arranged in to the one end of stiffener in two, the other end top support plate bottom of interior stiffener is connected, interior stiffener is located between two outer stiffeners, interior stiffener is connected with terminal hydraulic stem, middle section pneumatic cylinder in proper order, and crossbeam bottom is arranged in to at least two main hydraulic cylinders.
2. The roof support structure for coal mining according to claim 1, wherein a reinforcing rib is provided between the roof support panel and the main girder.
3. The roof support structure for coal mining according to claim 2, wherein the roof support panel is an arc-shaped panel.
4. The roof support structure for coal mining of claim 1, wherein a plurality of studs are disposed on the base.
5. The roof support structure for coal mining according to claim 1, wherein a base is provided at a bottom of the master cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022263980.8U CN213331135U (en) | 2020-09-30 | 2020-09-30 | Roof supporting construction for coal mine excavation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022263980.8U CN213331135U (en) | 2020-09-30 | 2020-09-30 | Roof supporting construction for coal mine excavation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213331135U true CN213331135U (en) | 2021-06-01 |
Family
ID=76071375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022263980.8U Expired - Fee Related CN213331135U (en) | 2020-09-30 | 2020-09-30 | Roof supporting construction for coal mine excavation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213331135U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638753A (en) * | 2021-08-16 | 2021-11-12 | 哈尔滨学院 | Supporting construction is used in civil engineering construction |
| CN114988114A (en) * | 2022-08-08 | 2022-09-02 | 中铁成都轨道交通健康管理技术有限公司 | Adsorption device adaptable to different cambered surface materials |
| CN115875061A (en) * | 2023-03-08 | 2023-03-31 | 北京工业大学 | High-pressure-bearing tunnel supporting structure |
-
2020
- 2020-09-30 CN CN202022263980.8U patent/CN213331135U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638753A (en) * | 2021-08-16 | 2021-11-12 | 哈尔滨学院 | Supporting construction is used in civil engineering construction |
| CN113638753B (en) * | 2021-08-16 | 2024-01-05 | 哈尔滨学院 | Supporting construction for civil engineering construction |
| CN114988114A (en) * | 2022-08-08 | 2022-09-02 | 中铁成都轨道交通健康管理技术有限公司 | Adsorption device adaptable to different cambered surface materials |
| CN115875061A (en) * | 2023-03-08 | 2023-03-31 | 北京工业大学 | High-pressure-bearing tunnel supporting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210601 |