CN206346761U - A kind of profile steel frame for tunnel just branch construction is exempted to weld pin-connected panel supporting construction - Google Patents
A kind of profile steel frame for tunnel just branch construction is exempted to weld pin-connected panel supporting construction Download PDFInfo
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- CN206346761U CN206346761U CN201621456922.4U CN201621456922U CN206346761U CN 206346761 U CN206346761 U CN 206346761U CN 201621456922 U CN201621456922 U CN 201621456922U CN 206346761 U CN206346761 U CN 206346761U
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Abstract
Exempt to weld pin-connected panel supporting construction the utility model discloses a kind of profile steel frame for being used for branch construction at the beginning of tunnel, it includes many Pin shaped steel steel arch-shelfs along the longitudinally spaced arrangement in tunnel, and shaped steel steel arch-shelf described in per Pin is anchored in tunnel wall by locking pin anchor tube attachment means；It is connected with each other between the adjacent shaped steel steel arch-shelf by one-above-the-other layout.The utility model is simple in construction, easy to install, connected by assembled between shaped steel steel arch-shelf and one-above-the-other layout, lock foot device, eliminate welding, it is to avoid speed of application caused by welding is slow, pollution, quality are difficult to ensure and the relevant issues such as demonstrate,prove；Simultaneously by shaped steel steel arch-shelf prewelding steel plate, and the reserving hole on steel plate, carry out pilot hole, convenient construction using hole.
Description
Technical field
The utility model is related to a kind of Tunnel device, belongs to constructing tunnel field of engineering technology, and in particular to
A kind of profile steel frame for tunnel just branch construction is exempted to weld pin-connected panel supporting construction.
Background technology
At present, composite lining extensive use in China's Tunnel Engineering, according to New Austrian Tunneling Method design concept, preliminary bracing is
Primary load bearing structure.The Composite Supporting System that Tunnel is made up of gunite concrete, anchor pole, steelframe etc., wherein steel
Frame has larger supporting intensity and rigidity, can significantly increase preliminary bracing ability.In order to increase the overall steady of every Pin steelframes
It is qualitative, it is attached between adjacent steelframe frequently with longitudinally connected reinforcing bar；In order to which steelframe is anchored at into country rock deep, steel is given full play to
The rigidity and intensity of frame, steelframe step foot is standing to put lock pin anchor tube.Traditional longitudinally connected reinforcing bar and lock pin is used with steelframe
It is welded to connect, existing technology has problems with：
1st, in tunnel there is the problem of speed of application is slow in welding, not meet in the Eight Terms Guidelines of Modelling of Tunnel Excavation in Soft Rock ten
The requirement of " early closing "；
2nd, welding produces a large amount of toxic gases, pollutes environment, is unfavorable for the occupational health of workmen；
3rd, because site welding is connected to overhead welding and working space is narrow, welding quality is difficult to ensure that；
4th, weld job is carried out in gas tunnel higher to air-conditioning requirement, there is certain potential safety hazard.
One kind is disclosed in Chinese utility model patent CN 205477642U to grow up buried Gas Outburst tunnel solderless branch
Protection structure, is made up of preliminary bracing steelframe and advance support steel skeleton, and preliminary bracing steelframe is made up of many Pin bow members, and bow member passes through
The lock pin anchor tube being anchored in tunnel wall is fixedly connected with nut；Fixed between adjacent bow member by longitudinally connected pull bar and nut
Connection；The advance support steel skeleton protracts including many and the seamless steel pipe for anchoring of being in the milk forms pipe booth structure, and every seamless
Steel pipe one grout hole of correspondence, top of multiple grout holes along tunnel control contour line and left and right side are scattered in two rows, two irrigation and drainage slurry
Hole mutual dislocation, and seamless steel pipe when meeting coal seam with the part for passing coal seam, advance support steel skeleton also includes along tunnel
The advanced tubule of many floral tube structures of outward-dipping 40~50 ° of insertion rock stratum of wall or coal seam and anchoring of being in the milk.The structure is deposited
Versatility it is poor, inclination angle between anchor tube and steel arch-shelf can not be adjusted according to the actual condition of lock pin anchor tube, it cannot be guaranteed that anchor
The technical problem being stably connected with of pipe and steel arch-shelf, while can not also realize the connection of the fast and stable of steel arch-shelf longitudinal direction.
The content of the invention
In view of the above-mentioned drawbacks of the prior art, the purpose of this utility model seeks to solve above-mentioned background technology not
Foot exempts to weld pin-connected panel supporting construction there is provided a kind of profile steel frame for being used for branch construction at the beginning of tunnel, and it is not only simple in structure, assembling side
Just, and speed of application caused by tunnel welding procedure slow, pollution, quality can be efficiently avoid it is difficult to ensure that the correlations such as card are asked
Topic.
In order to solve the above technical problems, the utility model employs such a profile steel frame for tunnel just branch construction
Exempt to weld pin-connected panel supporting construction, it includes many Pin shaped steel steel arch-shelfs along the longitudinally spaced arrangement in tunnel, shaped steel steel described in per Pin
Bow member is anchored in tunnel wall by locking pin anchor tube attachment means；Pass through one-above-the-other layout between the adjacent shaped steel steel arch-shelf
It is connected with each other；The lock pin anchor tube attachment means include the guiding steel plate being fixed on the shaped steel steel arch-shelf, the guiding steel
Plate is provided with the pilot hole passed through for lock pin anchor tube；Anchoring joint is installed on pilot hole in the guiding steel plate；The anchor
Affixed head is made up of anchor head special bolt, nut and two groups of taperliners；The anchor head special bolt passes through pilot hole, described two
Group taperliner is enclosed on anchor head special bolt and is located at the inside and outside two sides of the guiding steel plate respectively, and the nut is tightened in anchor
On head special bolt, two groups of taperliners are brought into close contact with being oriented to two sides inside and outside steel plate, the center of the anchor head special bolt
The end slope of axis and the guiding steel plate；The axis direction of the anchor head special bolt is provided through grouting pipe；Institute
The inner for stating anchor head special bolt is connected with lock pin anchor tube；The lock pin anchor tube is installed in tunnel wall；The longitudinally connected dress
Put and be connected with the steel web of the shaped steel steel arch-shelf；The one-above-the-other layout is provided with externally threaded L-shaped reinforcing bar, two by one end
End is respectively provided with female double thread sleeve and two ends are provided with externally threaded longitudinally connected reinforcing bar composition；The L-shaped
One end of reinforcing bar is undressed screw thread is welded on the steel web of a shaped steel steel arch-shelf in advance, the end of thread of the L-shaped reinforcing bar, institute
Double thread sleeve and the longitudinally connected reinforcing bar three are stated along the longitudinally coaxial arrangement in tunnel and mutually threaded connection, the longitudinal direction
The other end of connection reinforcing bar is connected by locking nut with the steel web of the adjacent shaped steel steel arch-shelf；With it is described longitudinally connected
Slotted hole is provided with the steel web of the shaped steel steel arch-shelf of bar connecting.
In a kind of preferred embodiment of the present utility model, every group of taperliner includes wedge-shaped rubber backing plate peace
Billet；The wedge-shaped rubber backing plate and the flat billet coaxial package are on the anchor head special bolt；The flat steel pad
The end face of plate is fitted with the wedge-shaped end face of the wedge-shaped rubber backing plate, the other end of the flat billet and the guiding steel
The guiding hole end surface laminating of plate；The planar end surface of the wedge-shaped rubber backing plate passes through the nut that is connected on the anchor head special bolt
Spacing fixation.
In a kind of preferred embodiment of the present utility model, the wedge-shaped rubber backing plate inner face inclines with backing plate axis
Tiltedly, outer face is vertical with backing plate axis.
In a kind of preferred embodiment of the present utility model, the anchor head special bolt includes hexagonal bolt head；It is described
Hexagonal bolt head is located at anchor head special bolt outer end；The nut coordinates with the inner external screw thread of anchor head special bolt, described two groups
The pilot hole of taperliner and guiding steel plate is located between nut and the hexagonal bolt head of anchor head special bolt.
In a kind of preferred embodiment of the present utility model, the outer end of the anchor head special bolt is disposed with and the note
Starch the filling adaptor of pipeline communication.
It is described to be oriented to the wing that steel plate is welded in the shaped steel steel arch-shelf in advance in a kind of preferred embodiment of the present utility model
It is arranged in parallel on listrium and with tunnel wall；The pilot hole is symmetricly set on the guiding steel plate of tunnel steelframe both sides.
In a kind of preferred embodiment of the present utility model, inner external screw thread and the lock pin of the anchor head special bolt
The internal thread of anchor tube outer end is engaged.
In a kind of preferred embodiment of the present utility model, the slotted hole on junction steel plate is waist-shaped hole.
The beneficial effects of the utility model are：The utility model is simple in construction, easy to install, passes through shaped steel steel arch-shelf
Assembly between lock pin anchor tube be connected, eliminates welding, it is to avoid speed of application caused by welding slowly, pollute, quality is difficult to ensure
The relevant issues such as card；Simultaneously by shaped steel steel arch-shelf prewelding steel plate, and the reserving hole on steel plate, led using hole
To drilling, convenient construction；And the anchoring joint specially designed can replace the different wedge-shaped rubber pad of wedge degree according to specific requirement
Plate is so as to the adjustment realized steelframe with lock pin anchor tube inclination angle；By setting anchoring joint and reserving injected hole in anchoring joint,
Convenient connection and construction, accelerate installation rate, by setting one-above-the-other layout to fix shaped steel steel arch-shelf, improve
Installation rate, correction is flexible, it is ensured that the adjustability connected in the range of tolerance is installed in steelframe.
Brief description of the drawings
Fig. 1 is that a kind of profile steel frame for tunnel just branch construction of the utility model embodiment is exempted to weld pin-connected panel supporting construction
Structural representation；
Fig. 2 is that a kind of profile steel frame for tunnel just branch construction of the utility model embodiment is exempted to weld pin-connected panel supporting construction
Along tunnel longitudinal direction front view；
Fig. 3 is that a kind of profile steel frame for tunnel just branch construction of the utility model embodiment is exempted to weld pin-connected panel supporting construction
Along tunnel longitudinal direction top view；
Fig. 4 is that a kind of profile steel frame for tunnel just branch construction of the utility model embodiment is exempted to weld pin-connected panel supporting construction
Lock pin anchor tube attachment means guiding steel plate structure schematic diagram；
Fig. 5 is that a kind of profile steel frame for tunnel just branch construction of the utility model embodiment is exempted to weld pin-connected panel supporting construction
Lock pin anchor tube attachment means structural representation；
Fig. 6 is that a kind of profile steel frame for tunnel just branch construction of the utility model embodiment is exempted to weld pin-connected panel supporting construction
Lock pin anchor tube attachment means blast diagram；
Fig. 7 is that a kind of profile steel frame for tunnel just branch construction of the utility model embodiment is exempted to weld pin-connected panel supporting construction
Lock pin anchor tube attachment means anchoring joint design schematic diagram；
Fig. 8 is that a kind of profile steel frame for tunnel just branch construction of the utility model embodiment is exempted to weld pin-connected panel supporting construction
Lock pin anchor tube attachment means anchor head special bolt structural representation；
Fig. 9 is that a kind of profile steel frame for tunnel just branch construction of the utility model embodiment is exempted to weld pin-connected panel supporting construction
One-above-the-other layout and shaped steel steel arch-shelf attachment structure schematic diagram；
Figure 10 is that a kind of profile steel frame for tunnel just branch construction of the utility model embodiment is exempted to weld pin-connected panel supporting knot
The one-above-the-other layout of structure and the attachment structure schematic diagram front view of shaped steel steel arch-shelf；
Figure 11 is that a kind of profile steel frame for tunnel just branch construction of the utility model embodiment is exempted to weld pin-connected panel supporting knot
The one-above-the-other layout structural representation of structure
In figure：A- shaped steel steel arch-shelfs, B- lock pin anchor tube attachment means, C- one-above-the-other layouts, A-1- steel webs, the A-2- wings
Listrium, B-2 is oriented to steel plate, and B-2-1- is oriented to circular hole；B-3- anchors joint；B-3-1- anchor head special bolts；B-3-2- wedge shape rubbers
Rubber cushion plate；The flat billets of B-3-3-；B-3-4- nuts；B-3-1-1- filling adaptors；B-3-1-2- special bolts head；B-3-1-
3- reserves hollow grouting pipe；B-3-1-4- special bolt screw threads；B-4- locks pin anchor tube；In B-4-1- lock pin anchor tubes termination is set
Screw thread, C-3-L shape reinforcing bars, C-4- slotted holes, C-5- locking nuts, C-6- screw shells, the longitudinally connected reinforcing bars of C-7-.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit the utility model.
Exempt to weld the knot of pin-connected panel supporting construction as a kind of profile steel frame for being used for branch construction at the beginning of tunnel shown in Fig. 1 to Fig. 2
Structure schematic diagram understands that the utility model is mainly used in carrying during tunnel initial-stage construction, and it is included along the longitudinally spaced cloth in tunnel
The many Pin shaped steel steel arch-shelf A put, are anchored in tunnel wall per Pin shaped steel steel arch-shelf A by locking pin anchor tube attachment means B；Adjacent type
It is connected with each other between steel steel arch-shelf A by one-above-the-other layout C；For the ease of the utility model per the fast of Pin shaped steel steel arch-shelfs A
Speed is fixed, for fixing the guiding steel plate that the lock pin anchor tube attachment means B of shaped steel steel arch-shelf includes being fixed on shaped steel steel arch-shelf A
B-2, is oriented to steel plate B-2 and is provided with the pilot hole B-2-1 passed through for lock pin anchor tube B-4；It is oriented to the pilot hole B-2- in steel plate B-2
Anchoring joint B-3 is installed on 1；Joint B-3 is anchored by anchor head special bolt B-3-1, nut B-3-4 and two groups of taperliner groups
Into；Anchor head special bolt B-3-1 passes through pilot hole B-2-1, and two groups of taperliners are enclosed on anchor head special bolt B-3-1 and difference
Positioned at the inside and outside two sides for being oriented to steel plate B-2, nut B-3-4 is tightened on anchor head special bolt B-3-1, by two groups of taperliners with
It is oriented to two sides inside and outside steel plate B-2 to be brought into close contact, anchor head special bolt B-3-1 central axis inclines with being oriented to steel plate B-2 end face
Tiltedly；Anchor head special bolt B-3-1 axis direction is provided through grouting pipe B-3-1-3；Anchor head special bolt B-3-1's is interior
End is connected with lock pin anchor tube B-4；Lock pin anchor tube B-4 is installed in tunnel wall, and every group of taperliner includes wedge-shaped rubber backing plate B-
3-2 peace billets B-3-3；Wedge-shaped rubber backing plate B-3-2 peace billet B-3-3 coaxial packages are in anchor head special bolt B-3-
On 1；Flat billet B-3-3 end face is fitted with wedge-shaped rubber backing plate B-3-2 wedge-shaped end face, and flat billet B-3-3's is another
End face is fitted with being oriented to steel plate B-2 pilot hole B-2-1 end faces；Wedge-shaped rubber backing plate B-3-2 planar end surface is by being connected to
The spacing fixations of nut B-3-4 on anchor head special bolt B-3-1；Wedge-shaped rubber backing plate B-3-2 inner faces are tilted with backing plate axis,
Outer face is vertical with backing plate axis；Anchor head special bolt B-3-1 includes hexagonal bolt head；Hexagonal bolt head is located at the special spiral shell of anchor head
Bolt B-3-1 outer ends；The inner external screw threads of nut B-3-4 and anchor head special bolt B-3-1 coordinate, two groups of taperliners and guiding steel plate
2 pilot hole B-2-1 is located between nut B-3-4 and anchor head special bolt B-3-1 hexagonal bolt head；Anchor head special bolt B-
3-1 outer end is disposed with the filling adaptor B-3-1-1 connected with grouting pipe B-3-1-3；Shaped steel steel arch-shelf A includes flange plate A-
2 and steel web A-1；Steel plate B-2 is oriented to be welded on flange plate A-2 and be arranged in parallel with tunnel wall in advance；Pilot hole B-2-1 is symmetrical
It is arranged on the guiding steel plate B-2 of tunnel steelframe B-1 both sides；Anchor head special bolt B-3-1 inner external screw thread and lock pin anchor
The internal thread of pipe B-4 outer ends is engaged.One-above-the-other layout C of the present utility model and shaped steel steel arch-shelf A steel web A-1 connects
Connect；One-above-the-other layout C is provided with externally threaded L-shaped reinforcing bar C-3, two ends by one end and is respectively provided with female double thread set
Cylinder C-6 and two ends are provided with externally threaded longitudinally connected reinforcing bar C-7 compositions；One end prewelding of L-shaped reinforcing bar C-3 is undressed screw thread
On shaped steel steel arch-shelf A steel web A-1, L-shaped reinforcing bar the C-3 end of thread, double thread sleeve C -6 and longitudinally connected steel
Muscle C-7 three passes through locking nut along the longitudinally coaxial arrangement in tunnel and mutually threaded connection, the longitudinally connected reinforcing bar C-7 other end
C-5 is connected with adjacent shaped steel steel arch-shelf A steel web A-1；The steel for the shaped steel steel arch-shelf A being connected with longitudinally connected reinforcing bar C-7
Slotted hole C-4 is provided with web A-1.
Its installation step of the present utility model is as follows：
Step one：Process：In processing factory, processing is oriented to steel plate B-2 and reserves pilot hole B-2-1 in both sides, in
Sky lock pin anchor tube B-4 sets internal thread B-4-1 by steelframe side head, according to construction and shoulder height requirement, in shaped steel steel
Prewelding is oriented to steel plate B-2 on bow member A flange plate A-2, while welding L-shaped reinforcing bar C- on shaped steel steel arch-shelf A steel web A-1
Slotted hole C-4 is processed on 3 and another corresponding shaped steel steel arch-shelf A steel web A-1.
Step 2：Boring procedure：Job site is excavated, after the processing of excavation face out break, applies just pneumatically placed concrete, shaped steel steel
Bow member A is in place, installs one-above-the-other layout, installation quality after the assay was approved, using being oriented to the pilot hole B- that is reserved on steel plate B-2
2-1 is drilled, general by being set downwards with 30-45° angle of horizontal direction degree, studies intensively depth more than anchor tube length certain distance.
Step 3, tubulature process：After the completion of drilling, lock pin anchor tube B-4 is from pilot hole B-2-1 through insertion drilling.
Step 4, assembled process：Anchor head special bolt B-3-1 first passes through wedge-shaped rubber backing plate B-3-2, flat billet B-3-
3rd, pilot hole B-2-1, nut B-3-4 are clamped with being oriented to steel plate B-2 assembly, and then rotating special bolt head B-3-1-2 makes spiral shell
Bolt bottom is connected with lock pin anchor tube B-4 terminations, and then rotating nut B-3-4 locks anchor head B-3 and steel plate B-2, finally by
Set the filling adaptor B-3-1-1 on anchor head special bolt B-3-1 to carry out slip casting operation, be finally completed lock pin anchor tube by design position
Put and angle positioning can guarantee that lock pin anchor tube can effectively become one with steelframe again simultaneously.
Step 5, multiple spray process：Complete after above-mentioned operation, it is qualified by inspection after sprayed operation again by design requirement, connect
The lower circulation of progress to excavate and supporting operation.
It should be appreciated that the foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not
Be confined to this, any those skilled in the art disclosed herein technical scope in, the change that can be readily occurred in
Or replace, it should all be included within the scope of the present invention.
Claims (7)
1. a kind of profile steel frame for tunnel just branch construction is exempted to weld pin-connected panel supporting construction, including along the longitudinally spaced cloth in tunnel
The many Pin shaped steel steel arch-shelfs (A) put, shaped steel steel arch-shelf (A) described in per Pin is anchored at tunnel by locking pin anchor tube attachment means (B)
On wall；It is connected with each other between the adjacent shaped steel steel arch-shelf (A) by one-above-the-other layout (C)；It is characterized in that：
The lock pin anchor tube attachment means (B) include the guiding steel plate (B-2) being fixed on the shaped steel steel arch-shelf (A), described
It is oriented to steel plate (B-2) and is provided with the pilot hole (B-2-1) passed through for lock pin anchor tube (B-4)；Leading in the guiding steel plate (B-2)
Anchoring joint (B-3) is installed on to hole (B-2-1)；The anchoring joint (B-3) is by anchor head special bolt (B-3-1), nut
(B-3-4) constituted with two groups of taperliners；The anchor head special bolt (B-3-1) passes through pilot hole (B-2-1), two groups of wedges
Shape pad is enclosed on anchor head special bolt (B-3-1) and is located at the inside and outside two sides of the guiding steel plate (B-2), the nut respectively
(B-3-4) it is tightened on anchor head special bolt (B-3-1), two groups of taperliners are close with being oriented to two sides inside and outside steel plate (B-2)
Laminating, the central axis of the anchor head special bolt (B-3-1) and the end slope of the guiding steel plate (B-2)；The anchor head
The axis direction of special bolt (B-3-1) is provided through grouting pipe (B-3-1-3)；The anchor head special bolt (B-3-1)
The inner with lock pin anchor tube (B-4) be connected；The lock pin anchor tube (B-4) is installed in tunnel wall；
The one-above-the-other layout (C) is connected with the steel web (A-1) of the shaped steel steel arch-shelf (A)；The one-above-the-other layout
(C) externally threaded L-shaped reinforcing bar (C-3), two ends are provided with by one end and are respectively provided with female double thread sleeve (C-6) and two
End is provided with externally threaded longitudinally connected reinforcing bar (C-7) composition；One end prewelding of the undressed screw thread of the L-shaped reinforcing bar (C-3)
On the steel web (A-1) of a shaped steel steel arch-shelf (A), the end of thread, the double thread of the L-shaped reinforcing bar (C-3)
Sleeve (C-6) and longitudinally connected reinforcing bar (C-7) three arrange and mutually threaded connection, the longitudinal direction along tunnel is longitudinally coaxial
The other end for connecting reinforcing bar (C-7) passes through locking nut (C-5) and the steel web (A-1) of the adjacent shaped steel steel arch-shelf (A)
Connection；It is provided with the steel web (A-1) for the shaped steel steel arch-shelf (A) being connected with the longitudinally connected reinforcing bar (C-7) oval
Hole (C-4).
2. a kind of profile steel frame for tunnel just branch construction according to claim 1 is exempted to weld pin-connected panel supporting construction, its
It is characterised by：Every group of taperliner includes the peaceful billet (B-3-3) of wedge-shaped rubber backing plate (B-3-2)；The wedge-shaped rubber
Rubber cushion plate (B-3-2) and flat billet (B-3-3) coaxial package are on the anchor head special bolt (B-3-1)；It is described flat
The end face of billet (B-3-3) is fitted with the wedge-shaped end face of the wedge-shaped rubber backing plate (B-3-2), the flat billet (B-
Fitted with pilot hole (B-2-1) end face of the guiding steel plate (B-2) other end 3-3)；Wedge-shaped rubber backing plate (the B-
Planar end surface 3-2) passes through nut (B-3-4) spacing fixation for being connected on the anchor head special bolt (B-3-1).
3. a kind of profile steel frame for tunnel just branch construction according to claim 2 is exempted to weld pin-connected panel supporting construction, its
It is characterised by：Wedge-shaped rubber backing plate (B-3-2) inner face is tilted with backing plate axis, and outer face is vertical with backing plate axis.
4. a kind of profile steel frame for tunnel just branch construction according to claim 1 is exempted to weld pin-connected panel supporting construction, its
It is characterised by：The anchor head special bolt (B-3-1) includes hexagonal bolt head；The hexagonal bolt head is located at anchor head special bolt
(B-3-1) outer end；The nut (B-3-4) coordinates with the inner external screw thread of anchor head special bolt (B-3-1), two groups of wedge pieces
Piece and hex bolts of the pilot hole (B-2-1) positioned at nut (B-3-4) and anchor head special bolt (B-3-1) for being oriented to steel plate (2)
Between head.
5. a kind of profile steel frame for tunnel just branch construction according to claim 1 is exempted to weld pin-connected panel supporting construction, its
It is characterised by：The outer end of the anchor head special bolt (B-3-1) is disposed with the slip casting connected with the grouting pipe (B-3-1-3)
Joint (B-3-1-1).
6. a kind of profile steel frame for tunnel just branch construction according to claim 1 is exempted to weld pin-connected panel supporting construction, its
It is characterised by：It is described guiding steel plate (B-2) be welded in advance on the flange plate (A-2) of the shaped steel steel arch-shelf (A) and with tunnel wall
Parallel arrangement；The pilot hole (B-2-1) is symmetricly set on the guiding steel plate (B-2) of tunnel steelframe (B-1) both sides.
It is assembled that 7. a kind of profile steel frame for being used for branch construction at the beginning of tunnel according to claim 1-6 any claims exempts from weldering
Formula supporting construction, it is characterised in that：The inner external screw thread of the anchor head special bolt (B-3-1) is with locking pin anchor tube (B-4) outside
The internal thread at end is engaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621456922.4U CN206346761U (en) | 2016-12-28 | 2016-12-28 | A kind of profile steel frame for tunnel just branch construction is exempted to weld pin-connected panel supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621456922.4U CN206346761U (en) | 2016-12-28 | 2016-12-28 | A kind of profile steel frame for tunnel just branch construction is exempted to weld pin-connected panel supporting construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206346761U true CN206346761U (en) | 2017-07-21 |
Family
ID=59319910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621456922.4U Withdrawn - After Issue CN206346761U (en) | 2016-12-28 | 2016-12-28 | A kind of profile steel frame for tunnel just branch construction is exempted to weld pin-connected panel supporting construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206346761U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761847A (en) * | 2016-12-28 | 2017-05-31 | 中铁第四勘察设计院集团有限公司 | A kind of profile steel frame for tunnel just branch construction is exempted to weld pin-connected panel supporting construction |
| CN110130944A (en) * | 2019-06-13 | 2019-08-16 | 中冶京诚工程技术有限公司 | Steel truss structure for tunnel support |
-
2016
- 2016-12-28 CN CN201621456922.4U patent/CN206346761U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761847A (en) * | 2016-12-28 | 2017-05-31 | 中铁第四勘察设计院集团有限公司 | A kind of profile steel frame for tunnel just branch construction is exempted to weld pin-connected panel supporting construction |
| CN106761847B (en) * | 2016-12-28 | 2019-02-05 | 中铁第四勘察设计院集团有限公司 | It is a kind of at the beginning of tunnel branch construct profile steel frame exempt from weld pin-connected panel supporting construction |
| CN110130944A (en) * | 2019-06-13 | 2019-08-16 | 中冶京诚工程技术有限公司 | Steel truss structure for tunnel support |
| CN110130944B (en) * | 2019-06-13 | 2024-02-06 | 中冶京诚工程技术有限公司 | Steel truss structure for tunnel support |
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