CN206769928U - A kind of supporting apparatus for tunnel excavation - Google Patents
A kind of supporting apparatus for tunnel excavation Download PDFInfo
- Publication number
- CN206769928U CN206769928U CN201720684050.5U CN201720684050U CN206769928U CN 206769928 U CN206769928 U CN 206769928U CN 201720684050 U CN201720684050 U CN 201720684050U CN 206769928 U CN206769928 U CN 206769928U
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- CN
- China
- Prior art keywords
- support frame
- arch support
- supporting leg
- tunnel
- support bar
- 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.)
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- Lining And Supports For Tunnels (AREA)
Abstract
Tunnel support equipment technical field is the utility model is related to, discloses a kind of supporting apparatus for tunnel excavation, including is arranged on the supporting leg of tunnel both sides, the bottom of supporting leg is provided with base, and the top of supporting leg is provided with supporting leg groove;Arch support frame is arranged on supporting leg by the projection at both ends, and the bottom side at the middle part of arch support frame is provided with rack groove;Vertical support bar is located at the lower section of arch support frame, and the bottom of vertical support bar is arranged on the bottom surface in tunnel, and the top of vertical support bar is provided with contiguous block.The utility model is used as to connect by left branch leg and right supporting leg combines the temporary support for carrying out tunnel with arch support frame, arch support frame and left branch leg and right supporting leg it is easy for installation, quick, Stability Analysis of Structures, operating efficiency can be improved, save the duration, work progress is safe and stable, quick.
Description
Technical field
It the utility model is related to tunnel support equipment technical field, more particularly to a kind of temporary support for tunnel excavation
Device.
Background technology
In recent years, as the continuous development of China's transport development cause, the construction in tunnel are more and more.Excavation in tunnel
Need to carry out supporting in time in engineering, the most supporting side used based on steel arch-shelf of primary supporting during tunnel excavation
Formula.Traditional temporary support steel arch-shelf, which carries out assembling, wastes time and energy, it is impossible to and tissue is rapidly completed, has a strong impact on efficiency of construction, it is right
Subsequent construction brings great inconvenience.
Utility model content
In view of the above-mentioned problems, the purpose of this utility model is to provide a kind of supporting apparatus for tunnel excavation,
Quick assembling can be realized, completes the temporary support to tunnel.
In order to realize purpose of utility model, the utility model adopts the following technical scheme that:
A kind of supporting apparatus for tunnel excavation is provided, its structure includes:
Supporting leg, the supporting leg include being separately positioned on the left branch leg of tunnel both sides and right supporting leg, the left branch leg and described
Right supporting leg is arranged symmetrically relative to the center line in the tunnel, and the bottom of the supporting leg is provided with base, and the top of the supporting leg is provided with
Supporting leg groove;
Arch support frame, the both ends of the arch support frame are respectively equipped with projection, and the arch support frame passes through both ends
Projection is arranged on the left branch leg and the right supporting leg, and the bottom side at the middle part of the arch support frame is provided with rack groove, institute
The trend for stating rack groove and tunnel be arranged in parallel;
Vertical support bar, the vertical support bar are located at the lower section of the arch support frame, the bottom of the vertical support bar
Portion is arranged on the bottom surface in tunnel, is arranged at the top of the vertical support bar in the rack groove.
Left branch leg and right supporting leg are separately positioned on the both sides in tunnel, and the base of supporting leg is arranged on tunnel ground, and base will
The stable both sides for being arranged on tunnel of supporting leg, the radian of arch support frame and the radian of tunnel top are adapted, and pass through arch branch
Support frame is erect and is arranged on left branch leg and right supporting leg by the projection at support both ends, because supporting leg and arch support frame are respectively provided with one
Fixed width, therefore, what arch support frame can be stablized is erected on left branch leg and right supporting leg.The lower section of arch support frame is set
Vertical support bar, vertical support bar contribute to arch support frame to be erected at during installing on left branch leg and right supporting leg.
Further, in addition to two adjacent arch support framves are connected to by transverse connecting rod, the transverse connecting rod
Together.Arch support frame and supporting leg are set, it is necessary to be spaced a distance with the excavation in tunnel, adjacent arch support frame it
Between be attached by transverse connecting rod.
Further, the both ends of the transverse connecting rod are provided with U-shaped junction button, the tail end of the U-shaped junction button with it is described
Transverse connecting rod welds together, and the head end of the U-shaped junction button is provided with bonnet lock hole, and latch, the U are provided with the bonnet lock hole
The head end of type junction button is socketed in the bottom section of the arch support frame, and the latch will connect the transverse direction through the bonnet lock hole
Extension bar links together with the arch support frame.Transverse connecting rod is carried out by the U-shaped junction button at both ends with arch support frame
The bottom section of arch support frame, is locked in U-shaped junction button by connection by latch, realizes transverse connecting rod and arch support frame
Connection.
Further, the bottom section at the both ends of the arch support frame is provided with stopper slot, and the latch is located at the stopper slot
It is interior.Stopper slot on arch support frame is used for the positioning of U-shaped junction button so that U-shaped junction button and arch support frame upper limit position groove
Position be attached, meanwhile, stopper slot limits the position of the latch on U-shaped junction button, makes transverse connecting rod and each arch
The link position of support frame is identical.
Further, the top of the vertical support bar is provided with contiguous block, and the width of the contiguous block and the support are recessed
The width of groove is equal.The contiguous block of vertical support bar top is convenient during arch support frame is installed to determine that arch support frame is in
Vertical state, the contact area of vertical support bar and arch support frame is also possible that more by the contiguous block on vertical support bar
Greatly, the support to arch support frame is more stable.
Further, the bottom of the vertical support bar is provided with circular base plate, the circular base plate and the vertical support
Bar is detachably connected.Circular base plate can make vertical support bar is stable to be arranged on tunnel bottom surface.
Further, the middle part of the circular base plate is provided with a circle round flange, relative in the side wall of the round flange
The position answered is provided with two pin-and-holes, is plugged with bearing pin in described two pin-and-holes, and the bottom of the vertical support bar is placed on described
In round flange, the bottom of the vertical support bar is provided with a through hole, and the opening of the through hole is corresponding with the pin-and-hole, described
Bearing pin is each passed through the pin-and-hole and the through hole and the vertical support bar links together with the circular base plate.
Further, the width of the projection is identical with the width of the supporting leg groove.The projection at arch support frame both ends
Width it is identical with the width of supporting leg groove so that the stable connection of arch support frame and supporting leg, avoid arch support frame with branch
Produce and rock between leg.
Further, the spacing between the two neighboring arch support frame is 1.5m.
Further, the width of the arch support frame is 0.5m.
The beneficial effects of the utility model are:
1st, the supporting apparatus for tunnel excavation of the utility model example, company is used as by left branch leg and right supporting leg
Connect the temporary support for being combined with arch support frame and carrying out tunnel, arch support frame and left branch leg and right supporting leg it is easy for installation, fast
Speed, Stability Analysis of Structures, operating efficiency can be improved, has been saved the duration, work progress is safe and stable, quick.
2nd, the supporting apparatus for tunnel excavation of the utility model example, by transverse connecting rod by adjacent two
Individual arch support frame links together, and with the excavation in tunnel, is spaced a distance and sets arch support frame and supporting leg, adjacent
Arch support frame between be attached by transverse connecting rod, can be propped up temporarily at any time according to the progress of construction speed
The installation of support arrangement, the support effect of the arch support frame of interconnection is good, and does not influence engineering construction.
3rd, the supporting apparatus for tunnel excavation of the utility model example, the contiguous block of vertical support bar top exist
Arch support frame is convenient during installing to determine that arch support frame is in vertical state, may be used also by the contiguous block on vertical support bar
To cause the contact area of vertical support bar and arch support frame bigger, the support to arch support frame is more stable.
4th, the supporting apparatus for tunnel excavation of the utility model example, the width of the projection at arch support frame both ends
Degree is identical with the width of supporting leg groove so that the stable connection of arch support frame and supporting leg, avoid arch support frame and supporting leg it
Between produce and rock.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of the utility model embodiment left branch leg and right supporting leg;
Fig. 3 is the vertical support bar of the utility model embodiment and the structural representation of circular base plate;
Fig. 4 is the structural representation of the utility model embodiment circular base plate;
Fig. 5 is the structural representation of A in the utility model embodiment Fig. 1;
Fig. 6 is the structural representation of the utility model embodiment transverse connecting rod and arch support frame.
In figure:1- left branch legs, the right supporting legs of 2-, 3- bases, 4- supporting leg grooves, 5- arch support framves, 6- projections, 7- supports are recessed
Groove, the vertical support bars of 8-, 9- transverse connecting rods, 10-U type junction buttons, 11- latches, 12- stopper slots, 13- contiguous blocks, 14- are circular
Chassis, 15- round flanges, 16- bearing pins.
Embodiment
In order to be better understood by the technical solution of the utility model, with reference to Figure of description and specific embodiment to this
Utility model is described further.
As shown in figure 1, a kind of supporting apparatus for tunnel excavation, including:It is separately positioned on a left side for tunnel both sides
Supporting leg 1 and right supporting leg 2, left branch leg 1 and right supporting leg 2 are arranged symmetrically relative to the center line in tunnel, the bottom of left branch leg 1 and right supporting leg 2
Portion is provided with base 3, and the top of left branch leg 1 and right supporting leg 2 is provided with supporting leg groove 4;
The both ends of arch support frame 5 are respectively equipped with projection 6, and arch support frame 5 is arranged on left branch leg by the projection 6 at both ends
1 and right supporting leg 2 on, the bottom side at the middle part of arch support frame 5 is provided with rack groove 7, and rack groove 7 and tunnel move towards parallel and set
Put;The width of projection 6 is identical with the width of supporting leg groove 7.The width of the projection 6 at the both ends of arch support frame 5 and supporting leg groove 7
Width is identical so that arch support frame 5 and left branch leg 1 and the stable connection of right supporting leg 2, avoids arch support frame 5 and left branch leg 1
Produce and rock between right supporting leg 2.
Vertical support bar 8 is located at the lower section of arch support frame 5, and the bottom of vertical support bar 8 is arranged on the bottom surface in tunnel, erects
The top of support bars 8 is provided with contiguous block 13, and the width of contiguous block 13 is equal with the width of rack groove 7, and contiguous block 13 is located at
In rack groove 7, the contiguous block 13 at the vertical top of support bar 8 is convenient during arch support frame 5 is installed to determine arch support frame 5
It is right by contiguous block 13 it is also possible that the contact area of vertical support bar 8 and arch support frame 5 is bigger in vertical state
The support of arch support frame 5 is more stable.
The bottom of vertical support bar 8 is provided with circular base plate 14, and circular base plate 14 can make the stable setting of vertical support bar 8
On tunnel bottom surface.The middle part of circular base plate 14 is provided with a circle round flange 15, corresponding position in the side wall of round flange 15
Two pin-and-holes have been installed, bearing pin 16 is plugged with two pin-and-holes, the bottom of vertical support bar 8 is placed in round flange 15, is erected
The bottom of support bars 8 is provided with a through hole, and the opening of through hole is corresponding with pin-and-hole, and bearing pin 16 is each passed through pin-and-hole and through hole will be perpendicular
Support bars 8 link together with circular base plate 14.
Transverse connecting rod 9 links together two adjacent arch support framves 5.The both ends of transverse connecting rod 9 are provided with U-shaped
Junction button 10, tail end and the transverse connecting rod 9 of U-shaped junction button 10 weld together, and the head end of U-shaped junction button 10 is provided with lock
Hole, bonnet lock hole is interior to be provided with latch 11, and the head end of U-shaped junction button 10 is socketed at the stopper slot 12 of the bottom section of arch support frame 5, is inserted
Pin 11 will link together transverse connecting rod 9 and arch support frame 5 through bonnet lock hole, and latch 11 is located in stopper slot 12.It is horizontal
Detained by the U-shaped connection 10 at both ends to connecting rod 9 and be attached with arch support frame 5, by latch 11 by arch support frame 5
Bottom section is locked in U-shaped junction button 10, realizes the connection of transverse connecting rod 9 and arch support frame 5.Limit on arch support frame 5
Position groove 12 is used for the positioning of U-shaped junction button 10 so that the position of U-shaped junction button 10 and the upper limit position groove 12 of arch support frame 5 is carried out
Connection, meanwhile, stopper slot 12 limits the position of the latch 11 on U-shaped junction button 10, makes transverse connecting rod 9 and each arch support
The link position of frame 5 is identical.
Left branch leg 1 and right supporting leg 2 are separately positioned on the both sides in tunnel, and the base 3 of left branch leg 1 and right supporting leg 2 is arranged on tunnel
On road ground, the both sides that are arranged on tunnel of the base 3 by left branch leg 1 and right supporting leg 2 stably, the radian and tunnel of arch support frame 5
Radian at the top of road is adapted, and is erect arch support frame 5 by the projection 6 at the both ends of arch support frame 5 and is arranged on the He of left branch leg 1
On right supporting leg 2, because left branch leg 1 and right supporting leg 2 and arch support frame 5 are respectively provided with certain width, the width of arch support frame 5
For 0.2-0.5m.Therefore, what arch support frame 5 can be stablized is erected on left branch leg 1 and right supporting leg 2.The lower section of arch support frame 5
Vertical support bar 8 is set, and vertical support bar 8 contributes to arch support frame 5 to be erected at during installing on left branch leg 1 and right supporting leg 2.
Arch support frame and left branch leg 1 and right supporting leg 2, phase are set, it is necessary to be spaced a distance with the excavation in tunnel
Spacing between adjacent two arch support framves 5 is 1.5m, is connected between adjacent arch support frame 5 by transverse connecting rod 9
Connect.
Arch backing plate in above-described embodiment can also be that circular or other shapes steel plates are made.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that utility model scope involved in the application, however it is not limited to what the particular combination of above-mentioned technical characteristic formed
Technical scheme, while should also cover in the case where not departing from utility model design, by above-mentioned technical characteristic or its be equal
Other technical schemes that feature is combined and formed.Such as features described above has with (but not limited to) disclosed herein
The technical scheme that the technical characteristic for having similar functions is replaced mutually and formed.
Claims (10)
- A kind of 1. supporting apparatus for tunnel excavation, it is characterised in that including:Supporting leg, the supporting leg include being separately positioned on the left branch leg of tunnel both sides and right supporting leg, the left branch leg and the right branch Leg is arranged symmetrically relative to the center line in the tunnel, and the bottom of the supporting leg is provided with base, and the top of the supporting leg is provided with supporting leg Groove;Arch support frame, the both ends of the arch support frame are respectively equipped with projection, the projection that the arch support frame passes through both ends On the left branch leg and the right supporting leg, the bottom side at the middle part of the arch support frame is provided with rack groove, the branch The trend in frame groove and tunnel be arranged in parallel;Vertical support bar, the vertical support bar are located at the lower section of the arch support frame, and the bottom of the vertical support bar is set Put and be arranged at the top of the bottom surface in tunnel, the vertical support bar in the rack groove.
- 2. the supporting apparatus according to claim 1 for tunnel excavation, it is characterised in that also including lateral connection Bar, the transverse connecting rod link together two adjacent arch support framves.
- 3. the supporting apparatus according to claim 2 for tunnel excavation, it is characterised in that the transverse connecting rod Both ends be provided with U-shaped junction button, tail end and the transverse connecting rod of the U-shaped junction button weld together, the U-shaped connection The head end of button is provided with bonnet lock hole, is provided with latch in the bonnet lock hole, the head end of the U-shaped junction button is socketed in the arch support The bottom section of frame, the latch will link together the transverse connecting rod and the arch support frame through the bonnet lock hole.
- 4. the supporting apparatus according to claim 3 for tunnel excavation, it is characterised in that the arch support frame The bottom section at both ends be provided with stopper slot, the latch is located in the stopper slot.
- 5. the supporting apparatus according to claim 1 for tunnel excavation, it is characterised in that the vertical support bar Top be provided with contiguous block, the width of the contiguous block is equal with the width of the rack groove.
- 6. the supporting apparatus according to claim 1 for tunnel excavation, it is characterised in that the vertical support bar Bottom be provided with circular base plate, the circular base plate is detachably connected with the vertical support bar.
- 7. the supporting apparatus according to claim 6 for tunnel excavation, it is characterised in that the circular base plate Middle part is provided with a circle round flange, and corresponding position is provided with two pin-and-holes, described two pins in the side wall of the round flange Bearing pin is plugged with hole, the bottom of the vertical support bar is placed in the round flange, the bottom of the vertical support bar Provided with a through hole, the opening of the through hole is corresponding with the pin-and-hole, and the bearing pin is each passed through the pin-and-hole and the through hole The vertical support bar is linked together with the circular base plate.
- 8. the supporting apparatus according to claim 1 for tunnel excavation, it is characterised in that the width of the projection It is identical with the width of the supporting leg groove.
- 9. the supporting apparatus according to claim 1 for tunnel excavation, it is characterised in that the two neighboring arch Spacing between shape support frame is 1.5m.
- 10. the supporting apparatus according to claim 1 for tunnel excavation, it is characterised in that the arch support The width of frame is 0.5m.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720684050.5U CN206769928U (en) | 2017-06-13 | 2017-06-13 | A kind of supporting apparatus for tunnel excavation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720684050.5U CN206769928U (en) | 2017-06-13 | 2017-06-13 | A kind of supporting apparatus for tunnel excavation |
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Publication Number | Publication Date |
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CN206769928U true CN206769928U (en) | 2017-12-19 |
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ID=60637733
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Application Number | Title | Priority Date | Filing Date |
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CN201720684050.5U Expired - Fee Related CN206769928U (en) | 2017-06-13 | 2017-06-13 | A kind of supporting apparatus for tunnel excavation |
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CN (1) | CN206769928U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108824168A (en) * | 2018-07-09 | 2018-11-16 | 解晓莉 | A kind of bridge structure that civil small-scale quickly splices |
CN108915738A (en) * | 2018-07-12 | 2018-11-30 | 西安科技大学 | A kind of tunnel tunnel face supporting apparatus |
-
2017
- 2017-06-13 CN CN201720684050.5U patent/CN206769928U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108824168A (en) * | 2018-07-09 | 2018-11-16 | 解晓莉 | A kind of bridge structure that civil small-scale quickly splices |
CN108915738A (en) * | 2018-07-12 | 2018-11-30 | 西安科技大学 | A kind of tunnel tunnel face supporting apparatus |
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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 |
Granted publication date: 20171219 Termination date: 20180613 |
|
CF01 | Termination of patent right due to non-payment of annual fee |