CN208650850U - A kind of supporting construction of rocky stratum big cross section deep shaft - Google Patents
A kind of supporting construction of rocky stratum big cross section deep shaft Download PDFInfo
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- CN208650850U CN208650850U CN201821442351.8U CN201821442351U CN208650850U CN 208650850 U CN208650850 U CN 208650850U CN 201821442351 U CN201821442351 U CN 201821442351U CN 208650850 U CN208650850 U CN 208650850U
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- steel mesh
- supporting construction
- big cross
- fixed
- anchor bar
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Abstract
The utility model discloses a kind of supporting construction of rocky stratum big cross section deep shaft, including fixing anchor bar, bottom steel mesh, locating fastener and top gear block, the fixing anchor bar side is provided with the bottom steel mesh, bottom steel mesh side is provided with the locating fastener, described fixing anchor bar one end is provided with the top gear block, the top gear block side is provided with fastening positioning ring, fixed tightening nut is provided on the fastening positioning ring, the fixed tightening nut side is provided with outer layer steel mesh, concrete layer is provided with around the outer layer steel mesh, the concrete layer side is provided with fixed end base.Beneficial effect is: 1, the simple consolidation of the structure, can be adjusted to the plane laying and vertical spacing for supporting top pillar according to the size of shaft section area and the strong and weak of strata pressure；2, integral arrangement enhances the overall stability of vertical shaft foundation pit, reduces engineering risk, facilitates constructing operation, go back cost saving.
Description
Technical field
The utility model relates to tunnel construction technical fields, more particularly to a kind of branch of rocky stratum big cross section deep shaft
Protection structure.
Background technique
21 century is that the period that underground engineering rapidly develops, the especially construction of China's subway engineering in recent years are even more such as fire
Such as the bitter edible plant.Extensive use of the rock tunnel development machine in subway engineering proposes higher want to its working shaft size and depth
It asks；In addition, big cross section deep shaft is also widely used in the underground engineering construction in other fields.So big excavated section and
Cutting depth is to consider supporting type by general vertical shaft or perform building enclosure by deep basal pit, is pendulum in design face
Preceding problem；It in the most common support pattern of rocky stratum is exactly steelframe bolt-spary supports for general vertical shaft, but for section
Biggish vertical shaft, such as only with steelframe bolt-spary supports, effective control of stability and deformation to shaft wall is all more tired
Difficulty, security risk are larger；Such as consider by deep basal pit, using common " bored concrete pile+inner support " supporting type, then to construction investment
And construction speed has larger impact, and very big engineering is caused to waste.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of rocky stratum big cross section deep shaft
Supporting construction.
The utility model achieves the above object through the following technical schemes:
A kind of supporting construction of rocky stratum big cross section deep shaft, including fixing anchor bar, bottom steel mesh, locating fastener and top
Portion's gear block, the fixing anchor bar side are provided with the bottom steel mesh, and bottom steel mesh side is provided with the positioning card
Button, described fixing anchor bar one end are provided with the top gear block, and the top gear block side is provided with fastening positioning ring, institute
It states and is provided with fixed tightening nut on fastening positioning ring, the fixed tightening nut side is provided with outer layer steel mesh, the outer layer
Concrete layer is provided with around steel mesh, the concrete layer side is provided with fixed end base, is provided with and prolongs on the fixed end base
Disk is stretched, is provided in the extension disk and is fixedly connected with cylinder, described be fixedly connected in cylinder is provided with high rigidity steel lining, described solid
Determine connecting cylinder surrounding and be provided with floor, the side that is fixedly connected is provided with left mandril, during the left mandril side is provided with
Portion's thread barrel, middle part thread barrel side are provided with right mandril, the top gear formation of lots at the top of the fixing anchor bar,
The extension disk takes shape on the fixed end base, and the cylinder that is fixedly connected takes shape on the fixed end base, described high hard
Degree steel lining takes shape on the fixed end base.
In order to further increase rocky stratum big cross section deep shaft supporting construction use function, the fixing anchor bar
One end is followed closely into inside palisades, and the locating fastener is socketed on the fixing anchor bar, and the bottom steel mesh passes through the positioning card
Button is fixed on palisades.
In order to further increase rocky stratum big cross section deep shaft supporting construction use function, the top gear block
Diameter be three times of the fixing anchor bar bar diameter, the fastening positioning ring set connects on the fixing anchor bar, described fixed to revolve
Tight nut is connect by screw thread with the fastening positioning ring.
In order to further increase rocky stratum big cross section deep shaft supporting construction use function, the outer layer steel mesh is solid
Be scheduled between two opposite locating fasteners, the concrete layer be cast in the bottom steel mesh and the outer layer steel mesh it
Between, the fixed end base is connect by screw with the concrete layer.
In order to further increase rocky stratum big cross section deep shaft supporting construction use function, it is described to extend disk
Diameter is three times for being fixedly connected with an outer diameter, and the floor is welded in the extension disk, and the floor is welded on institute
It states and is fixedly connected on cylinder.
In order to further increase rocky stratum big cross section deep shaft supporting construction use function, the left mandril passes through
Screw thread is connect with the fixed end base, and the right mandril is connect by screw thread with the fixed end base, and the middle part thread barrel is logical
Screw thread is crossed to connect with the left mandril.
In order to further increase rocky stratum big cross section deep shaft supporting construction use function, the middle part thread barrel
It is connect by screw thread with the right mandril, there are four be evenly arranged in the extension disk floor.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the simple consolidation of the structure can put down support top pillar according to the size of shaft section area and the strong and weak of strata pressure
Face is laid and vertical spacing adjusts；
2, integral arrangement enhances the overall stability of vertical shaft foundation pit, reduces engineering risk, facilitates constructing operation, also save
Construction investment.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of front view structure schematic diagram of the supporting construction of rocky stratum big cross section deep shaft of the utility model；
Fig. 2 is a kind of partial structurtes schematic diagram of the supporting construction of rocky stratum big cross section deep shaft of the utility model；
Fig. 3 is a kind of fixed end base structure diagram of the supporting construction of rocky stratum big cross section deep shaft of the utility model.
The reference numerals are as follows:
1, fixing anchor bar；2, bottom steel mesh；3, locating fastener；4, top gear block；5, positioning ring is fastened；6, fixation screws
Nut；7, outer layer steel mesh；8, concrete layer；9, fixed end base；10, extend disk；11, it is fixedly connected with cylinder；12, glass hard steel
Lining；13, left mandril；14, right mandril；15, middle part thread barrel；16, floor.
Specific embodiment
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model is described in further detail with embodiment with reference to the accompanying drawing:
Embodiment one:
As shown in Figure 1-Figure 3, a kind of supporting construction of rocky stratum big cross section deep shaft, including fixing anchor bar 1, bottom steel
Net 2, locating fastener 3 and top gear block 4,1 side of fixing anchor bar are provided with bottom steel mesh 2, and 2 side of bottom steel mesh is provided with fixed
Position buckle 3,1 one end of fixing anchor bar are provided with top gear block 4, and gear block 4 side in top is provided with fastening positioning ring 5, fastening
Fixed tightening nut 6 is provided on positioning ring 5, fixed 6 side of tightening nut is provided with outer layer steel mesh 7, sets around outer layer steel mesh 7
It is equipped with concrete layer 8,8 side of concrete layer is provided with fixed end base 9, is provided on fixed end base 9 and extends disk 10, extends disk
It is provided on face 10 and is fixedly connected with cylinder 11, be fixedly connected in cylinder 11 and be provided with high rigidity steel lining 12, be fixedly connected with 11 surrounding of cylinder and set
It is equipped with floor 16,11 side of cylinder is fixedly connected with and is provided with left mandril 13, left 13 side of mandril is provided with middle part thread barrel 15, middle part
15 side of thread barrel is provided with right mandril 14, and top gear block 4 takes shape in 1 top of fixing anchor bar, extends disk 10 and take shape in admittedly
On fixed end seat 9, it is fixedly connected with cylinder 11 and takes shape on fixed end base 9, high rigidity steel lining 12 takes shape on fixed end base 9.
Embodiment two:
The difference between this embodiment and the first embodiment lies in outer layer steel mesh 7 is fixed on two opposite positioning in the present embodiment
Between buckle 3, concrete layer 8 is cast between bottom steel mesh 2 and outer layer steel mesh 7, and fixed end base 9 passes through screw and concrete layer
8 connections.
Specifically, setting can effectively be supported palisades section in this way, prevent sillar from falling off.
The concrete operating principle of the utility model are as follows: in use device, when to rocky stratum big cross section deep shaft supporting
When, three locating fasteners 3, fastening positioning ring 5 and fixed tightening nut 6 are socketed on fixing anchor bar 1, then by fixing anchor bar
1 one end is squeezed into inside palisades, is close to palisades arrangement bottom steel mesh 2 and is set to a locating fastener 3, with fastening positioning ring
5 are fixed with fixed tightening nut 6, and outer layer steel mesh 7 is fixed with two opposite locating fasteners 3, then by concrete layer 8
It being cast in frame, solidification is completed, by the relatively fixed side in concrete layer 8 of two fixed end bases 9, left mandril 13 and You Ding
Bar 14 is connect with the cylinder 11 that is fixedly connected on fixed end base 9, and by rotation middle part 15 tightening device of thread barrel, extends disk 10
Play the role of increasing forced area, floor 16 plays support cross force.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.
Claims (7)
1. a kind of supporting construction of rocky stratum big cross section deep shaft, it is characterised in that: including fixing anchor bar, bottom steel mesh, determine
Position buckle and top gear block, the fixing anchor bar side are provided with the bottom steel mesh, and bottom steel mesh side is provided with
The locating fastener, described fixing anchor bar one end are provided with the top gear block, and the top gear block side is provided with tightly
Fixed bit ring is provided with fixed tightening nut on the fastening positioning ring, and the fixed tightening nut side is provided with outer layer steel
Net is provided with concrete layer around the outer layer steel mesh, and the concrete layer side is provided with fixed end base, the fixed end base
On be provided with extension disk, be provided in the extension disk and be fixedly connected with cylinder, described be fixedly connected in cylinder is provided with high rigidity
Steel lining, the surrounding that is fixedly connected are provided with floor, and the side that is fixedly connected is provided with left mandril, the left mandril one
Side is provided with middle part thread barrel, and middle part thread barrel side is provided with right mandril, and the top gear formation of lots is in described solid
Determine at the top of anchor pole, the extension disk takes shape on the fixed end base, and the cylinder that is fixedly connected takes shape in the fixed end base
On, the high rigidity steel lining takes shape on the fixed end base.
2. a kind of supporting construction of rocky stratum big cross section deep shaft according to claim 1, it is characterised in that: described solid
The one end for determining anchor pole is followed closely into inside palisades, and the locating fastener is socketed on the fixing anchor bar, and the bottom steel mesh passes through institute
Locating fastener is stated to be fixed on palisades.
3. a kind of supporting construction of rocky stratum big cross section deep shaft according to claim 1, it is characterised in that: the top
The diameter of portion's gear block is three times of the fixing anchor bar bar diameter, and the fastening positioning ring set connects on the fixing anchor bar, institute
Fixed tightening nut is stated to connect by screw thread with the fastening positioning ring.
4. a kind of supporting construction of rocky stratum big cross section deep shaft according to claim 1, it is characterised in that: described outer
Layer steel mesh is fixed between two opposite locating fasteners, and the concrete layer is cast in the bottom steel mesh and described outer
Between layer steel mesh, the fixed end base is connect by screw with the concrete layer.
5. a kind of supporting construction of rocky stratum big cross section deep shaft according to claim 1, it is characterised in that: described to prolong
The diameter for stretching disk is three times for being fixedly connected with an outer diameter, and the floor is welded in the extension disk, the floor
It is welded on described be fixedly connected on cylinder.
6. a kind of supporting construction of rocky stratum big cross section deep shaft according to claim 1, it is characterised in that: the left side
Mandril is connect by screw thread with the fixed end base, and the right mandril is connect by screw thread with the fixed end base, the middle part
Thread barrel is connect by screw thread with the left mandril.
7. a kind of supporting construction of rocky stratum big cross section deep shaft according to claim 1, it is characterised in that: in described
Portion's thread barrel is connect by screw thread with the right mandril, and there are four be evenly arranged in the extension disk floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821442351.8U CN208650850U (en) | 2018-09-04 | 2018-09-04 | A kind of supporting construction of rocky stratum big cross section deep shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821442351.8U CN208650850U (en) | 2018-09-04 | 2018-09-04 | A kind of supporting construction of rocky stratum big cross section deep shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208650850U true CN208650850U (en) | 2019-03-26 |
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ID=65792136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821442351.8U Active CN208650850U (en) | 2018-09-04 | 2018-09-04 | A kind of supporting construction of rocky stratum big cross section deep shaft |
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| CN (1) | CN208650850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664199A (en) * | 2021-01-05 | 2021-04-16 | 湘潭大学 | Protection mechanism for deep well excavation rock burst prevention based on safety engineering management |
-
2018
- 2018-09-04 CN CN201821442351.8U patent/CN208650850U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664199A (en) * | 2021-01-05 | 2021-04-16 | 湘潭大学 | Protection mechanism for deep well excavation rock burst prevention based on safety engineering management |
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