CN106812544B - A kind of reinforcement allows pressure U-shaped steel bracket - Google Patents
A kind of reinforcement allows pressure U-shaped steel bracket Download PDFInfo
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- CN106812544B CN106812544B CN201710209494.8A CN201710209494A CN106812544B CN 106812544 B CN106812544 B CN 106812544B CN 201710209494 A CN201710209494 A CN 201710209494A CN 106812544 B CN106812544 B CN 106812544B
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- fashioned iron
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- support fashioned
- tunnel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 64
- 239000010959 steel Substances 0.000 title claims abstract description 64
- 230000002787 reinforcement Effects 0.000 title claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 252
- 229910052742 iron Inorganic materials 0.000 claims abstract description 126
- 239000011435 rock Substances 0.000 claims abstract description 32
- 230000006835 compression Effects 0.000 claims description 38
- 238000007906 compression Methods 0.000 claims description 38
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/28—Longitudinal struts, i.e. longitudinal connections between adjoining arches
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Forging (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The present invention relates to a kind of allowing for reinforcement to press U-shaped steel bracket,Including tunnel two sides are set and vertically arrange first support fashioned iron,The upper end of first support fashioned iron is provided with the second support fashioned iron for being used to support country rock at the top of the arc of tunnel,Second support fashioned iron bends to curved arcuate structure,The both ends of second support fashioned iron constitute the removable cooperation of vertical direction with the upper end of the first support fashioned iron respectively,First,The lap-joint of second support fashioned iron, which is provided with to limit to slide, allows press mechanism for stopping moving down for the second support fashioned iron,Pressure U-shaped steel bracket will can be allowed along the length direction arranged for interval in tunnel,Pressure from surrounding rock release is transferred on the second support fashioned iron at the top of tunnel,To be supplied to country rock at the top of tunnel it is sufficient allow pressure amount,Avoiding U-shaped steel bracket from reaching its yield strength leads to the buckling of U-shaped steel bracket,Kicking and crumple,Ensure effective support of the country rock at the top of the arc to tunnel in turn,It plays allowing for the pressure from surrounding rock at the top of the arc to tunnel and presses release and rigid support.
Description
Technical field
The present invention relates to roadway construction technical fields, and in particular to a kind of reinforcement allows pressure U-shaped steel bracket.
Background technique
During roadway construction, to implement the support to tunnel palisades, it is generally disposed with supporting steel frame in tunnel, props up
Supportting steelframe is mostly truss structure, plays the top to tunnel palisades and the support of waist country rock, avoids top and the waist in tunnel
The problem of tunnel caused by the pressure release of portion's country rock collapses, country rock of tunnel during construction, at the top of the arc in tunnel
Pressure is applied to supporting steel frame, and the pressure from surrounding rock release at the top of the arc in tunnel is transferred to the waist two sides in tunnel, to apply
To the compression of supporting steel frame waist；If a large amount of roadway construction monitoring data show that pressure from surrounding rock is released at the top of the arc in tunnel
It lets off fastly, will lead to the hard breakdown of supporting steel frame, to cause the buckling of supporting steel frame, kicking and crumple, and then generate
Great security risk.
Summary of the invention
It is an object of the invention to provide a kind of allowing for reinforcement to press U-shaped steel bracket, can play to tunnel-surrounding country rock
Effective support, play to tunnel-surrounding pressure from surrounding rock allow pressure discharge and rigid support.
To achieve the above object, this composite structure invention the technical solution adopted is that：
A kind of reinforcement allows pressure U-shaped steel bracket, including tunnel two sides being arranged in and the first support fashioned iron for arranging vertically,
The upper end of the first support fashioned iron is provided with the second support fashioned iron for being used to support country rock at the top of tunnel arc, and described second
Support fashioned iron bends to curved arcuate structure, and it is vertical that the both ends of the second support fashioned iron are constituted with the upper end of the first support fashioned iron respectively
The lap-joint of the removable cooperation in direction, the both ends of the second support fashioned iron and the first support fashioned iron is provided with restriction sliding and allows pressure
Mechanism, the restriction sliding allow press mechanism for stopping moving down for the second support fashioned iron.
The present invention there is also supplementary features be：
The section of the first, second support fashioned iron is "u"-shaped, at the notch of the first, second support fashioned iron
It is respectively arranged with the first, second flange, the second support fashioned iron is plugged on the notch inner wall of the first support fashioned iron and second turns over
While riding upon on the first flange.
The restriction sliding allows press mechanism to include the pin being arranged at the second support fashioned iron both ends, and the pin is arranged in key seat
Interior, the key seat is fixed in the notch of the second support fashioned iron, and the slot bottom of the end of the second support fashioned iron is provided with opening, described
It is connected between pin and key seat by spring, the pin protrudes out in opening, the upper end slot bottom setting of the first support fashioned iron
There is the pin hole passed through for pin, the pin hole, which is located in the movement routine of pin, to be arranged.
It is provided with strip-shaped hole on second flange of the second support fashioned iron, strip-shaped hole hole length direction is along second
The length direction arrangement for supportting fashioned iron, is provided with guide blot in strip-shaped hole, the guide blot pass through strip-shaped hole and with first
Support the first flange connection of fashioned iron.
The pin is integrally in square, and the connecting pin of the pin and key seat is provided with locking elastic slice, and the locking elastic slice is whole
Body is in frid shape, and one end of the pin is fixed at the slot bottom of locking elastic slice, the two sides of locking elastic slice along pin length side
To overhanging, support spring is provided between the two sides and pin of locking elastic slice, be provided on the key seat with pin profile coincide
Opening, the bottom of opening is arranged in the spring, is additionally provided with limit plate in the opening, the limit plate and opening inner wall it
Between form the card interface for being clamped locking elastic slice.
The clamping box for being clamped pin is provided on the first support fashioned iron, the opening of the clamping box is located at pin hole
Place is clamped in box and is provided with limiting groove, is provided on the pin and constitutes the plush copper being engaged by clamping with limiting groove.
Multiple, the adjacent pressure U-shaped steel that allows that allows pressure U-shaped steel bracket to be arranged at intervals with along the length direction in tunnel
It is described to make compression bar flexible along the length direction in tunnel by allowing compression bar to connect between first support fashioned iron of bracket, it is described
Allow the both ends of compression bar to allow the first of compressed steel bracket to support the sleeve connection being arranged on fashioned iron with adjacent respectively, the sleeve with
First support fashioned iron, which is constituted, to be flexibly connected, it is adjacent allow between pressure U-shaped steel bracket it is also arranged in a crossed manner have a two support steel bars, it is described
Support steel bar curved arrangement and both ends and adjacent allow the first of pressure U-shaped steel bracket the sleeve being arranged on fashioned iron is supported to fix.
Described that compression bar is allowed to include first, second allowing compression bar, described first allows one end of compression bar to be provided with shank, and described the
One allows compression bar and second that the linkage section of compression bar is allowed to be provided with the inserting groove for planting shank, and described second allows compression bar and first
Setting is allowed between compression bar to allow pressing spring.
Anchor pole is provided on the crosspoint of the two supports steel bar, the anchor pole is vertical and is plugged on the arched top in tunnel
Portion.
Compared with prior art, the technical effect that the present invention has is：Allow pressure U-shaped steel bracket along tunnel above-mentioned
Length direction arranged for interval be transferred on the second support fashioned iron, at the top of tunnel when pressure from surrounding rock release to be supplied to tunnel
Top country rock it is sufficient allow pressure amount, avoid steel bracket due to buckling, kicking and the crumple of steel bracket caused by being plastically deformed, in turn
Ensure effective support to tunnel-surrounding country rock, plays and release and rigid support are pressed to allowing for tunnel-surrounding pressure from surrounding rock.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for allowing pressure U-shaped steel bracket to connect of two reinforcements；
Fig. 2 and Fig. 3 is that first allowed in pressure U-shaped steel bracket reinforced supports fashioned iron and second to support the cooperation of fashioned iron
Two kinds of end structure illustrations；
Fig. 4 is the end structure illustration of the second support fashioned iron；
Fig. 5 is the end structure illustration of the first support fashioned iron；
Fig. 6 is the structural schematic diagram of pin；
Fig. 7 is the structural schematic diagram of key seat；
Fig. 8 is to allow the partial structure diagram of compression bar.
Specific embodiment
In conjunction with Fig. 1 to Fig. 8, the present invention is further described：
A kind of reinforcement allows pressure U-shaped steel bracket, including tunnel two sides being arranged in and the first support fashioned iron for arranging vertically
10, the upper end of the first support fashioned iron 10 is provided with the second support fashioned iron 20 for being used to support country rock at the top of the arc of tunnel, institute
State the second support fashioned iron 10,20 and bend to curved arcuate structure, the both ends of the second support fashioned iron 20 respectively with the first support type
The upper end of steel 10 constitutes the removable cooperation of vertical direction, the both ends of the second support fashioned iron 20 and taking for the first support fashioned iron 10
The place of connecing is provided with restriction sliding and allows press mechanism, described to limit sliding and allows press mechanism for stopping second to support moving down for fashioned iron 20；
As shown in connection with fig. 1, the U-shaped steel stent applications of above structure are in tunnel, and along between the length direction in tunnel
Every setting, at the top of the arc in tunnel when pressure from surrounding rock release, so that the second support fashioned iron 20 is along under the first support fashioned iron 10
Move, to be supplied to the preset space that pressure from surrounding rock release is sufficient at the top of the arc in tunnel, thus avoid due to steel bracket due to
Buckling, kicking and crumple are slided when the second support fashioned iron 20 drops to least significant end using limiting caused by bearing pressure suddenly
Move allow press mechanism implement to second support fashioned iron 20 decline blocking, so as to form the rigid support to roadway surrounding rock,
Avoid the further deformation of country rock at the top of tunnel；
U-shaped steel bracket disclosed in the present invention can implement the resilient support of rear steel first soft to country rock at the top of tunnel, thus
The strong degree to country rock support at the top of tunnel can be improved.
As a preferred solution of the present invention, the section of the first, second support fashioned iron 10,20 is "u"-shaped, described
The first, second flange 11,21, the second support fashioned iron 20 are respectively arranged at the notch of first, second support fashioned iron 10,20
It is plugged on the notch inner wall of the first support fashioned iron 10 and the second flange 21 rides upon on the first flange 11；
In conjunction with shown in Fig. 4 and Fig. 5, the section of the first, second above-mentioned support fashioned iron 10,20 is "u"-shaped, can
The anti-twisting property of receiving is most strong, to improve the structural strength of steel bracket itself from structure itself.
Further, the restriction sliding allows press mechanism to include the pin 30 being arranged at the second support 20 both ends of fashioned iron, institute
It states pin 30 to be arranged in key seat 40, the key seat 40 is fixed in the notch of the second support fashioned iron 20, the second support fashioned iron 20
The slot bottom of end is provided with opening 22, is connected between the pin 30 and key seat 40 by spring 50, the pin 30 protrudes out to opening
In 22, the upper end slot bottom of the first support fashioned iron 10 is provided with the pin hole 12 passed through for pin 30, and the pin hole 12 is located at
It is arranged in the movement routine of pin 30；
When above-mentioned roadway surrounding rock pressure discharges, so that the second support fashioned iron 20 supports 10 slide downward of fashioned iron along first,
Since the key seat 40 of setting pin 30 is fixed at the notch of the second support fashioned iron 20, pass through spring between the key seat 40 and pin 30
50 connection so that pin 30 protrude into the opening 22 of the second support fashioned iron 20 and with first support fashioned iron 10 slot bottom against, when
When second support fashioned iron 20 drops to specified point, under the elastic reaction of spring 50, so that pin 30 springs into the first support fashioned iron 10
Pin hole 12 in, pin 30 at this time is located at opening 22 can be in pin hole 12, to realize the first support fashioned iron 10 and the second support type
Connection between steel 20, to realize the blocking moved down to the second support fashioned iron 20, the second support fashioned iron 20 at this time is realized to lane
The rigid support of road positioning country rock.
Strip-shaped hole 211, the 211 hole length direction of strip-shaped hole are provided on second flange 21 of the second support fashioned iron 20
Along the length direction arrangement of the second support fashioned iron 20, it is provided with guide blot 23 in strip-shaped hole 211, the guide blot 23 is worn
It crosses strip-shaped hole 211 and is connect with the first flange 11 of the first support fashioned iron 10；
Above-mentioned second support fashioned iron 20 is located at the first support fashioned iron 10 and slides, using the guide and limit of guide blot 23,
On the one hand the elasticity due to spring 50 is avoided to cause to generate displacement between the first support fashioned iron 10 and the second support fashioned iron 20 and lead
The dangerous situation of steel bracket separation is caused, it is another to facilitate the accurate guiding realized to the first support 10 vertical sliding of fashioned iron, thus really
Protecting the first support fashioned iron 10 can be accurately along the notch slide downward of the second support fashioned iron 20, when under the second support fashioned iron 20
The opening 22 for being down to the second support fashioned iron 20 is aligned with the pin hole 12 on the first support fashioned iron 10, in the elasticity of spring 50
Under support, so that pin 30 is sprung into pin hole 12 and opening 22, the limitation moved down to the second support fashioned iron 20 is realized.
Further, it is in square that the pin 30 is whole, and the connecting pin of the pin 30 and key seat 40 is provided with locking elastic slice
31, the whole locking elastic slice 31 is in frid shape, and one end of the pin 30 is fixed at the slot bottom of locking elastic slice 31, locking elastic slice
31 two sides overhang along the length direction of pin 30, are provided with support spring between the two sides and pin 30 of locking elastic slice 31
32, the opening 41 coincideing with 30 profile of pin is provided on the key seat 40, the bottom of opening 41 is arranged in the spring 50, described
It is additionally provided with limit plate 43 in opening 41, is formed between 41 inner walls of the limit plate 43 and opening for being clamped locking elastic slice 31
Card interface；
Above-mentioned 30 holding of pin has realized the assembly to pin 30 and key seat 40 in the opening 41 on key seat 40, specifically,
When pin 30 is squeezed into opening 41, under the action of extruding force, locking elastic slice 31 is deformed, so as in card inlet, when pin 30 squeezes
When entering position deeper in opening 41, and locking elastic slice 31 protrudes out to the clamping formed between limit plate 43 and 41 inner walls of opening
In mouthful, under the elastic anchorage force of support spring 32, so that locking elastic slice 31 is caught between 41 inner walls of limit plate 43 and opening
In the card interface of formation；
Under 50 elastic reaction of spring, pin 30 is sprung into the pin hole 12 of the first support fashioned iron 10, in the limit of limit plate 43
Under the effect of position, pin 30 is avoided to spring into position too deep in the pin hole 12 of the first support fashioned iron 10, it is ensured that the middle position of pin 30
In the pin hole 12 of the first support fashioned iron 10 and 22 middle position of opening of the second support fashioned iron 20, it is ensured that the support of pin 30 itself is strong
Degree avoids pin 30 from causing to occur skimming curved phenomenon due to bearing biggish compression.
To further ensure that pin 30 is in the pin hole 12 of the first support fashioned iron 10 and the opening 22 of the second support fashioned iron 20
Between position, be provided with clamping box 13 for being clamped pin 30, the opening position of the clamping box 13 on the first support fashioned iron 10
It at pin hole 12, is clamped in box 13 and is provided with limiting groove 51, be provided with to constitute to be clamped with limiting groove 51 on the pin 30 and match
The plush copper 33 of conjunction；
Above-mentioned pin 30 is sprung into clamping box 13, and makes 33 holding of plush copper on pin 30 to connect the limit in box 50 recessed
In slot 51, to realize the further positioning to pin 30, the random movement of pin 30 is avoided.
To avoid pressure from surrounding rock from causing the first of steel bracket 10 straight line of fashioned iron is supported to generate answering along tunnel length direction
Power, described to allow compressed steel bracket to be arranged at intervals with along the length direction in tunnel multiple, adjacent to allow the first of compressed steel bracket
It supports between fashioned iron 10 by allowing compression bar to connect, described make compression bar flexible along the length direction in tunnel, the compression bar that allows
Both ends allow the first of compressed steel bracket the sleeve 70 being arranged on fashioned iron 10 is supported to connect with adjacent respectively, the sleeve 70 and the
One support fashioned iron 10, which is constituted, to be flexibly connected, it is adjacent allow between compressed steel bracket it is also arranged in a crossed manner have a two support steel bars 80, it is described
Support 80 curved arrangement of steel bar and both ends and adjacent the first of compressed steel bracket is allowed to support the sleeve 70 being arranged on fashioned iron 10 solid
It is fixed；
The pressure release that above-mentioned support steel bar 80 bears country rock is transferred to both ends and is transferred on sleeve 70, due to country rock
Pressure release direction it is changeable, adjacent allow first, second to allow the stress direction on compression bar 61,62 to be also to be transferred to
Changeable, enable the first support fashioned iron 10 along allowing compression bar to move, is supplied to 10 abundance of the first support fashioned iron to realize
Allow compressive strain distance, avoid the first support fashioned iron 10 due to caused by meeting with stresses suddenly the case where bending deformation.
As shown in connection with fig. 8, described that compression bar is allowed to include first, second allowing compression bar 61,62, described first one end for allowing compression bar 61
It is provided with shank, described first allows compression bar 61 and second that the linkage section of compression bar 62 is allowed to be provided with the grafting for planting shank
Slot, described second allows compression bar 62 and first that setting is allowed between compression bar 61 to allow pressing spring 63；
The above-mentioned cooperation for allowing the first, second of compression bar to allow between compression bar 61,62, to realize the adjacent compressed steel bracket that allows
The first support fashioned iron 10 elder generation it is soft after steel resilient support, and then improve the strong degree that supports to roadway surrounding rock.
Specifically, anchor pole 81 is provided on the crosspoint of the two supports steel bar 80, the anchor pole 81 is vertical and is plugged on
At the top of the arc in tunnel；
The pressure of country rock release at the top of tunnel is applied to anchor pole 81 by above-mentioned anchor pole 81, to discharge to two support steel bars 80
On.
It should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations, although ginseng
According to previous embodiment, invention is explained in detail, those skilled in the art should understand that：It still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features, and
These are modified or replaceed, the spirit and model of technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (6)
1. U-shaped steel bracket is pressed in a kind of allowing for reinforcement, it is characterised in that：Including tunnel two sides are set and vertically arrange first
Support fashioned iron（10）, the first support fashioned iron（10）Upper end be provided with and be used to support second of country rock at the top of tunnel arc
Support fashioned iron（20）, the second support fashioned iron（20）Bend to curved arcuate structure, the second support fashioned iron（20）Both ends point
Fashioned iron is not supported with first（10）Upper end constitute the removable cooperation of vertical direction, the second support fashioned iron（20）Both ends with
First support fashioned iron（10）Lap-joint be provided with restriction sliding and allow press mechanism, the restrictions sliding allows press mechanism to be used to stopping the
Two support fashioned iron（20）Move down；
The first support fashioned iron（10）, second support fashioned iron（20）Section be "u"-shaped, it is described first support fashioned iron
（10）, second support fashioned iron（20）Notch at be respectively arranged with the first flange（11）, the second flange（21）, second support
Fashioned iron（20）It is plugged on the first support fashioned iron（10）Notch inner wall and the second flange（21）Ride upon the first flange（11）On；
The restriction sliding allows press mechanism to include setting in the second support fashioned iron（20）Pin at both ends（30）, the pin（30）If
It sets in key seat（40）It is interior, the key seat（40）It is fixed on the second support fashioned iron（20）Notch in, second support fashioned iron（20）'s
The slot bottom of end is provided with opening（22）, the pin（30）With key seat（40）Between pass through spring（50）Connection, the pin（30）
Protrude out to opening（22）It is interior, the first support fashioned iron（10）Upper end slot bottom be provided with for pin（30）The pin hole passed through
（12）, the pin hole（12）Positioned at pin（30）Movement routine on arrange；
The second support fashioned iron（20）The second flange（21）On be provided with strip-shaped hole（211）, the strip-shaped hole（211）Hole is long
Direction is along the second support fashioned iron（20）Length direction arrangement, strip-shaped hole（211）Inside it is provided with guide blot（23）, described to lead
To bolt（23）Across strip-shaped hole（211）And fashioned iron is supported with first（10）The first flange（11）Connection.
2. U-shaped steel bracket is pressed in a kind of allowing for reinforcement according to claim 1, it is characterised in that：The pin（30）It is whole
In square, the pin（30）With key seat（40）Connecting pin be provided with locking elastic slice（31）, the locking elastic slice（31）It is whole
In frid shape, the pin（30）One end be fixed on locking elastic slice（31）Slot bottom at, locking elastic slice（31）Two sides along
Pin（30）Length direction overhang, locking elastic slice（31）Two sides and pin（30）Between be provided with support spring（32）, described
Key seat（40）On be provided with and pin（30）The identical opening of profile（41）, the spring（50）Setting is being open（41）Bottom,
The opening（41）On be additionally provided with limit plate（43）, the limit plate（43）With opening（41）It is formed between inner wall for being clamped
Locking elastic slice（31）Card interface.
3. U-shaped steel bracket is pressed in a kind of allowing for reinforcement according to claim 1, it is characterised in that：First support type
Steel（10）On be provided with for be clamped pin（30）Clamping box（13）, the clamping box（13）Opening be located at pin hole（12）Place,
It is clamped box（13）Inside it is provided with limiting groove（51）, the pin（30）On be provided with and limiting groove（51）Constitute clamping engagement
Plush copper（33）.
4. pressing U-shaped steel bracket to a kind of allowing for reinforcement described in 3 any one according to claim 1, it is characterised in that：It is described
Pressure U-shaped steel bracket can be allowed to be arranged at intervals with along the length direction in tunnel multiple, first of U-shaped steel bracket is pressed in adjacent allowing
Support fashioned iron（10）Between by allowing compression bar to connect, described make compression bar flexible along the length direction in tunnel, the compression bar that allows
Both ends allow the first of compressed steel bracket to support fashioned iron with adjacent respectively（10）The sleeve of upper setting（70）Connection, the sleeve
（70）With the first support fashioned iron（10）It constitutes and is flexibly connected, adjacent allow also arranged in a crossed manner between compressed steel bracket has two supporting steels
Item（80）, the support steel bar（80）Curved arrangement and both ends and adjacent the first of compressed steel bracket is allowed to support fashioned iron（10）On
The sleeve of setting（70）It is fixed.
5. U-shaped steel bracket is pressed in a kind of allowing for reinforcement according to claim 4, it is characterised in that：It is described to allow the compression bar to include
First allows compression bar（61）, second allow compression bar（62）, described first allows compression bar（61）One end be provided with shank, described first allows
Compression bar（61）Compression bar is allowed with second（62）Linkage section be provided with the inserting groove for planting shank, described second allows compression bar
（62）Compression bar is allowed with first（61）Between setting allow pressing spring（63）.
6. U-shaped steel bracket is pressed in a kind of allowing for reinforcement according to claim 4, it is characterised in that：The two supports steel bar
（80）Crosspoint on be provided with anchor pole（81）, the anchor pole（81）Arc top that is vertical and being plugged on tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710209494.8A CN106812544B (en) | 2017-03-31 | 2017-03-31 | A kind of reinforcement allows pressure U-shaped steel bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710209494.8A CN106812544B (en) | 2017-03-31 | 2017-03-31 | A kind of reinforcement allows pressure U-shaped steel bracket |
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| Publication Number | Publication Date |
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| CN106812544A CN106812544A (en) | 2017-06-09 |
| CN106812544B true CN106812544B (en) | 2018-11-20 |
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| CN201710209494.8A Active CN106812544B (en) | 2017-03-31 | 2017-03-31 | A kind of reinforcement allows pressure U-shaped steel bracket |
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| CN108798737B (en) * | 2018-08-27 | 2023-09-12 | 邓立杰 | Movable suspension bone plate supporting structure for roadway |
| CN109989773B (en) * | 2019-04-30 | 2024-08-16 | 中铁第四勘察设计院集团有限公司 | Anchor-pulling support system and method for highway soft rock tunnel |
| CN110307012B (en) * | 2019-06-24 | 2020-10-20 | 高军 | Surrounding rock structure is consolidated to big section tunnel prestressed anchorage pole of high-speed railway |
| CN112343629A (en) * | 2019-08-07 | 2021-02-09 | 高军 | Advanced support method for complex geological tunnel |
| CN113006828A (en) * | 2021-02-26 | 2021-06-22 | 上海交通大学 | Arch frame connecting structure with self-locking function and installation method |
| CN113356911B (en) * | 2021-06-03 | 2024-01-19 | 山西美佳矿业装备有限公司 | Supporting device and method for soft rock tunnel excavation |
| CN113700509B (en) * | 2021-10-09 | 2024-03-12 | 铜陵鑫铜建设监理有限责任公司 | Supporting mechanism for underground weak engineering geological tunnel and using method thereof |
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2017
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| FR2415718A1 (en) * | 1978-01-28 | 1979-08-24 | Bochumer Eisen Heintzmann | METHOD AND DEVICE FOR THE PRE-ASSEMBLY AND LAYING OF SUPPORT HANGERS |
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| CN203296780U (en) * | 2013-06-07 | 2013-11-20 | 西南交通大学 | Supporting and protecting lining device used for preventing surrounding rock from large deformation in underground cavern construction |
| CN205840893U (en) * | 2016-07-06 | 2016-12-28 | 安徽理工大学 | A kind of tunnel support U shape steel bracket of improvement |
| CN206737935U (en) * | 2017-03-31 | 2017-12-12 | 安徽理工大学 | U-shaped steel support is pressed in a kind of allowing for reinforcement |
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