CN204941571U - A kind of railway tunnel supporting and protection structure of improvement - Google Patents
A kind of railway tunnel supporting and protection structure of improvement Download PDFInfo
- Publication number
- CN204941571U CN204941571U CN201520698051.6U CN201520698051U CN204941571U CN 204941571 U CN204941571 U CN 204941571U CN 201520698051 U CN201520698051 U CN 201520698051U CN 204941571 U CN204941571 U CN 204941571U
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- concrete
- support bar
- supercrust
- supporting
- walking
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Abstract
The utility model discloses a kind of railway tunnel supporting and protection structure of improvement, comprise the preliminary bracing layer of concrete be covered in inside tunnel on arch face, described preliminary bracing layer of concrete medial surface covers a secondary supporting layer of concrete, the described secondary supporting layer of concrete interior lower end arch place of facing upward covers a line and walks supercrust, this walking supercrust is made up of concrete material, described walking supercrust upper surface is provided with more than one stopper slot, this stopper slot upper surface is provided with more than one support bar, this support bar is made up of steel structure material, this support bar is arcuate structure, described support bar lower surface is fixedly connected with a mount pad.The utility model structure is simple, and easy for installation, financial cost is low, applied widely, effectively can prevent the situation of Supporting Structure deformation and cracking, increases supporting construction speed greatly.
Description
Technical field
The utility model relates to a kind of railway tunnel supporting and protection structure of improvement.
Background technology
Nowadays, when railway tunnel construction, if country rock completely can not from steady, construction is impossible.Span is once excavated relevant from steady time and rock property and tunnel, country rock is poorer, once excavate span larger, shorter from the steady time, so that lack enough time after excavation to carry out supporting construction, make the Support Deformation in tunnel, cracking, even cause Tunnel collapse, this may cause the death of staff, the serious normal construction affecting tunnel.
Summary of the invention
It is simple that technical problem to be solved in the utility model is to provide a kind of structure, easy for installation, effectively can prevent the situation of Supporting Structure deformation and cracking, increases the railway tunnel supporting and protection structure of the improvement of supporting construction speed greatly.
The utility model is achieved through the following technical solutions: a kind of railway tunnel supporting and protection structure of improvement, comprise the preliminary bracing layer of concrete be covered in inside tunnel on arch face, described preliminary bracing layer of concrete medial surface covers a secondary supporting layer of concrete, the described secondary supporting layer of concrete interior lower end arch place of facing upward covers a line and walks supercrust, this walking supercrust is made up of concrete material, described walking supercrust upper surface is provided with more than one stopper slot, this stopper slot upper surface is provided with more than one support bar, this support bar is made up of steel structure material, this support bar is arcuate structure, described support bar lower surface is fixedly connected with a mount pad.
As preferred technical scheme, a bull stick is equipped with in described mount pad, these bull stick both sides extend to the external world through mount pad, described bull stick external world end all fixedly mounts a tire, face, described tire outer ring touches with walking supercrust upper surface, all one first gear is fixedly mounted in the middle of described bull stick, be positioned at the first gear side in the middle of described bull stick and be equipped with a motor, this machine shaft all fixedly mounts one second gear, described second gear and the first gear are all connected with a joggle, described motor all extends a power line, this power line all extends to the external world through mount pad and is fixedly connected with a controller.
As preferred technical scheme, described post upper face all fixedly mounts a back-up block, and this back-up block is made up of steel structure material, and this back-up block is arcuate structure, and described back-up block lateral surface and secondary supporting layer of concrete medial surface offset.
As preferred technical scheme, in the middle of described support bar, medial surface all fixedly mounts an engaging lug, is fixedly connected with a wire rope between this engaging lug with engaging lug.
As preferred technical scheme, all fixedly mount a limited block in the middle of described mount pad lower surface, this limited block is all movably installed in the stopper slot on walking supercrust.
The beneficial effects of the utility model are: the utility model structure is simple, and easy for installation, financial cost is low, applied widely, effectively can prevent the situation of Supporting Structure deformation and cracking, increase supporting construction speed greatly.
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 overall structure schematic diagram of the present utility model.
Detailed description of the invention
All features disclosed in this manual, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this manual (comprising any accessory claim, summary and accompanying drawing), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
As shown in Figure 1, the railway tunnel supporting and protection structure of a kind of improvement of the present utility model, comprise the preliminary bracing layer of concrete 1 be covered in inside tunnel on arch face, described preliminary bracing layer of concrete 1 medial surface covers a secondary supporting layer of concrete 3, the described secondary supporting layer of concrete 3 interior lower end arch place of facing upward covers a line and walks supercrust 2, this walking supercrust 2 is made up of concrete material, described walking supercrust 2 upper surface is provided with more than one stopper slot 11, this stopper slot 11 upper surface is provided with more than one support bar 5, this support bar 5 is made up of steel structure material, this support bar 5 is arcuate structure, described support bar 5 lower surface is fixedly connected with a mount pad 8.
In the present embodiment, a bull stick 9 is equipped with in mount pad 8, these bull stick 9 both sides extend to the external world through mount pad 8, described bull stick 9 external world end all fixedly mounts a tire 15, face, described tire 15 outer ring touches with walking supercrust 2 upper surface, all one first gear 10 is fixedly mounted in the middle of described bull stick 9, be positioned at the first gear 10 side in the middle of described bull stick 9 and be equipped with a motor 13, this motor 13 rotating shaft all fixedly mounts one second gear (not shown), described second gear and the first gear 10 are all connected with a joggle, described motor 13 all extends a power line (not shown), this power line all extends to the external world through mount pad 8 and is fixedly connected with a controller 14.
In the present embodiment, support bar 5 upper surface all fixedly mounts a back-up block 4, and this back-up block 4 is made up of steel structure material, and this back-up block 4 is arcuate structure, and described back-up block 4 lateral surface and secondary supporting layer of concrete 3 medial surface offset.
In the present embodiment, the middle medial surface of support bar 5 all fixedly mounts an engaging lug 6, is fixedly connected with a wire rope 7 between this engaging lug with engaging lug; All fixedly mount a limited block 12 in the middle of mount pad 8 lower surface, this limited block 12 is all movably installed in the stopper slot 11 on walking supercrust 2.
Operating principle: after watering and building up preliminary bracing layer of concrete, supported by support bar, prevent the concrete cracking of preliminary bracing or distortion, just secondary supporting layer of concrete can be built inside supporting layer of concrete in the early stage after supporting preliminary bracing layer of concrete, once after secondary supporting layer of concrete completes, just by controller starter motor, its support bar is moved in tunnel until arrive on second segment preliminary bracing layer of concrete, after second segment preliminary bracing layer of concrete being built second segment secondary supporting layer of concrete, move to the 3rd end and repeat above action always, until tunnel all completes.
The beneficial effects of the utility model are: the utility model structure is simple, and easy for installation, financial cost is low, applied widely, effectively can prevent the situation of Supporting Structure deformation and cracking, increase supporting construction speed greatly.
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. the railway tunnel supporting and protection structure improved, it is characterized in that: comprise the preliminary bracing layer of concrete be covered in inside tunnel on arch face, described preliminary bracing layer of concrete medial surface covers a secondary supporting layer of concrete, the described secondary supporting layer of concrete interior lower end arch place of facing upward covers a line and walks supercrust, this walking supercrust is made up of concrete material, described walking supercrust upper surface is provided with more than one stopper slot, this stopper slot upper surface is provided with more than one support bar, this support bar is made up of steel structure material, this support bar is arcuate structure, described support bar lower surface is fixedly connected with a mount pad.
2. the railway tunnel supporting and protection structure of improvement according to claim 1, it is characterized in that: in described mount pad, be equipped with a bull stick, these bull stick both sides extend to the external world through mount pad, described bull stick external world end all fixedly mounts a tire, face, described tire outer ring touches with walking supercrust upper surface, all one first gear is fixedly mounted in the middle of described bull stick, be positioned at the first gear side in the middle of described bull stick and be equipped with a motor, this machine shaft all fixedly mounts one second gear, described second gear and the first gear are all connected with a joggle, described motor all extends a power line, this power line all extends to the external world through mount pad and is fixedly connected with a controller.
3. the railway tunnel supporting and protection structure of improvement according to claim 1, it is characterized in that: described post upper face all fixedly mounts a back-up block, this back-up block is made up of steel structure material, and this back-up block is arcuate structure, and described back-up block lateral surface and secondary supporting layer of concrete medial surface offset.
4. the railway tunnel supporting and protection structure of improvement according to claim 1, is characterized in that: in the middle of described support bar, medial surface all fixedly mounts an engaging lug, is fixedly connected with a wire rope between this engaging lug with engaging lug.
5. the railway tunnel supporting and protection structure of improvement according to claim 1, is characterized in that: all fixedly mount a limited block in the middle of described mount pad lower surface, and this limited block is all movably installed in the stopper slot on walking supercrust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520698051.6U CN204941571U (en) | 2015-09-10 | 2015-09-10 | A kind of railway tunnel supporting and protection structure of improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520698051.6U CN204941571U (en) | 2015-09-10 | 2015-09-10 | A kind of railway tunnel supporting and protection structure of improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204941571U true CN204941571U (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520698051.6U Expired - Fee Related CN204941571U (en) | 2015-09-10 | 2015-09-10 | A kind of railway tunnel supporting and protection structure of improvement |
Country Status (1)
| Country | Link |
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| CN (1) | CN204941571U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736015A (en) * | 2016-03-28 | 2016-07-06 | 将乐县国通隧道机械有限公司 | Tunnel lining trolley with replaceable side templates |
| CN108930540A (en) * | 2017-05-27 | 2018-12-04 | 中冶长天国际工程有限责任公司 | Just prop up-two lining contact pressure measuring devices and its method for embedding in tunnel |
-
2015
- 2015-09-10 CN CN201520698051.6U patent/CN204941571U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736015A (en) * | 2016-03-28 | 2016-07-06 | 将乐县国通隧道机械有限公司 | Tunnel lining trolley with replaceable side templates |
| CN108930540A (en) * | 2017-05-27 | 2018-12-04 | 中冶长天国际工程有限责任公司 | Just prop up-two lining contact pressure measuring devices and its method for embedding in tunnel |
| CN108930540B (en) * | 2017-05-27 | 2024-02-13 | 中冶长天国际工程有限责任公司 | Tunnel primary support-secondary lining contact pressure measuring device and embedding method thereof |
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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: 20160106 Termination date: 20160910 |
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| CF01 | Termination of patent right due to non-payment of annual fee |