CN204082181U - A kind of mine support - Google Patents
A kind of mine support Download PDFInfo
- Publication number
- CN204082181U CN204082181U CN201420561173.6U CN201420561173U CN204082181U CN 204082181 U CN204082181 U CN 204082181U CN 201420561173 U CN201420561173 U CN 201420561173U CN 204082181 U CN204082181 U CN 204082181U
- Authority
- CN
- China
- Prior art keywords
- support bar
- load
- support
- shrinkage pool
- bearing ring
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of mine support, comprise base, described base top is provided with a shrinkage pool, at the bottom of the hole of described shrinkage pool, position is provided with hydraulic cylinder, described hydraulic cylinder is connected with hydraulic stem, also support bar is combined with in described shrinkage pool, bolt is fastened with between described base and described support bar, described support bar is welded with a load-bearing ring near tip position place, the top of described load-bearing ring is combined with support cover, be welded with load-bearing rod member between described support cover and described load-bearing ring, described load-bearing rod member welding is provided with more than the six roots of sensation; This device reduces the use to drive area, and when being convenient to cave-in accident generation, staff escapes, and the power produced when drive can cave in by this device simultaneously carries out twice decomposition, avoids this device directly to be destroyed, increases its enabling capabilities.
Description
Technical field
The utility model relates to a kind of mine support.
Background technology
Colliery cave-in accident one is all number one killer in coal mining accident always, and the drive in colliery caves in, and the keeping of inside, colliery directly can be caused not enough, cause the workman's death by suffocation in mine work.
Therefore in drive, increase supporting is a kind of means that effectively can solve drive cave-in accident and occur, existing supporting is mostly the weldable steel component of customization, its height supported cannot regulate preferably, when there is gap between the top and drive of supporting, the pressure caused when drive caves in indirectly acts on the surface of supporting, cause larger impact force to supporting, cause the flexural deformation of supporting.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of mine support, this device reduces the use to drive area, when being convenient to cave-in accident generation, staff escapes, the power produced when drive can cave in by this device simultaneously carries out twice decomposition, avoid this device directly to be destroyed, increase its enabling capabilities.
For solving the problem, the utility model adopts following technical scheme:
A kind of mine support, comprise base, described base top is provided with a shrinkage pool, at the bottom of the hole of described shrinkage pool, position is provided with hydraulic cylinder, described hydraulic cylinder is connected with hydraulic stem, also support bar is combined with in described shrinkage pool, bolt is fastened with between described base and described support bar, described support bar is welded with a load-bearing ring near tip position place, the top of described load-bearing ring is combined with support cover, be welded with load-bearing rod member between described support cover and described load-bearing ring, described load-bearing rod member welding is provided with more than the six roots of sensation.
As preferred technical scheme, described bolt is provided with two or more.
As preferred technical scheme, there is between the top of described hydraulic stem and the bottom of described support bar the gap of 10cm ~ 25cm.
As preferred technical scheme, described support bar is hollow rod, and the upper and lower end of described support bar is closed, and the wall thickness of described support bar is 1cm ~ 1.35cm.
As preferred technical scheme, the shear strength of described bolt is less than the support strength of described support bar.
The beneficial effects of the utility model are: this device adopts single supporting bar to support, reduce the use to drive area, when being convenient to cave-in accident generation, staff escapes, power the bearing first through support cover produced when drive can cave in by this device simultaneously, then pass to support bar again, when support bar stressed larger time, bolt fractures, support bar has continued support under the support of hydraulic cylinder, then hydraulic stem contraction is released the pressure further under gravity, this device is avoided directly to be destroyed, increase its enabling capabilities, and the structure of this device is comparatively simple, manufacturing cost is comparatively cheap, be applicable to promoting the use of.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
Consult a kind of mine support shown in Fig. 1, comprise base 1, described base 1 top is provided with a shrinkage pool 101, at the bottom of the hole of described shrinkage pool 101, position is provided with hydraulic cylinder 2, described hydraulic cylinder 2 is connected with hydraulic stem 3, support bar 4 is also combined with in described shrinkage pool 101, bolt 5 is fastened with between described base 1 and described support bar 4, described support bar 4 is welded with a load-bearing ring 6 near tip position place, the top of described load-bearing ring 6 is combined with support cover 7, load-bearing rod member 8 is welded with between described support cover 7 and described load-bearing ring 6, described load-bearing rod member 8 welding is provided with more than the six roots of sensation.
A preferred embodiment in the utility model, described bolt 5 is provided with two or more.
A preferred embodiment in the utility model, has the gap of 10cm between the top of described hydraulic stem 3 and the bottom of described support bar 4.
A preferred embodiment in the utility model, described support bar 4 is hollow rod, and the upper and lower end of described support bar 4 is closed, and the wall thickness of described support bar 4 is 1.35cm.
A preferred embodiment in the utility model, the shear strength of described bolt 5 is less than the support strength of described support bar 4.
The beneficial effects of the utility model are: this device adopts single supporting bar to support, reduce the use to drive area, when being convenient to cave-in accident generation, staff escapes, power the bearing first through support cover produced when drive can cave in by this device simultaneously, then pass to support bar again, when support bar stressed larger time, bolt fractures, support bar has continued support under the support of hydraulic cylinder, then hydraulic stem contraction is released the pressure further under gravity, this device is avoided directly to be destroyed, increase its enabling capabilities, and the structure of this device is comparatively simple, manufacturing cost is comparatively cheap, be applicable to promoting the use of.
The above, be only detailed description of the invention of the present utility model, but protection domain of the present utility model is not limited thereto, and any change of expecting without creative work or replacement, all should be encompassed within protection domain of the present utility model.Therefore, the protection domain that protection domain of the present utility model should limit with claims is as the criterion.
Claims (5)
1. a mine support, it is characterized in that: comprise base, described base top is provided with a shrinkage pool, at the bottom of the hole of described shrinkage pool, position is provided with hydraulic cylinder, described hydraulic cylinder is connected with hydraulic stem, also support bar is combined with in described shrinkage pool, bolt is fastened with between described base and described support bar, described support bar is welded with a load-bearing ring near tip position place, the top of described load-bearing ring is combined with support cover, be welded with load-bearing rod member between described support cover and described load-bearing ring, described load-bearing rod member welding is provided with more than the six roots of sensation.
2. mine support according to claim 1, is characterized in that: described bolt is provided with two or more.
3. mine support according to claim 1, is characterized in that: the gap between the top of described hydraulic stem and the bottom of described support bar with 10cm ~ 25cm.
4. mine support according to claim 1, is characterized in that: described support bar is hollow rod, and the upper and lower end of described support bar is closed, and the wall thickness of described support bar is 1cm ~ 1.35cm.
5. mine support according to claim 1, is characterized in that: the shear strength of described bolt is less than the support strength of described support bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420561173.6U CN204082181U (en) | 2014-09-28 | 2014-09-28 | A kind of mine support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420561173.6U CN204082181U (en) | 2014-09-28 | 2014-09-28 | A kind of mine support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204082181U true CN204082181U (en) | 2015-01-07 |
Family
ID=52174912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420561173.6U Expired - Fee Related CN204082181U (en) | 2014-09-28 | 2014-09-28 | A kind of mine support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204082181U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971643A (en) * | 2016-06-27 | 2016-09-28 | 安徽金联地矿科技有限公司 | Underground protection and support device |
| CN106640114A (en) * | 2017-02-23 | 2017-05-10 | 淮南矿业(集团)有限责任公司 | Safe temporary supporting device of mining TBM |
-
2014
- 2014-09-28 CN CN201420561173.6U patent/CN204082181U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971643A (en) * | 2016-06-27 | 2016-09-28 | 安徽金联地矿科技有限公司 | Underground protection and support device |
| CN105971643B (en) * | 2016-06-27 | 2017-11-17 | 安徽金联地矿科技有限公司 | A kind of underground ballistic support device |
| CN106640114A (en) * | 2017-02-23 | 2017-05-10 | 淮南矿业(集团)有限责任公司 | Safe temporary supporting device of mining TBM |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20150928 |
|
| EXPY | Termination of patent right or utility model |