CN205743923U - A kind of urgent support apparatus of tunnel excavation vault - Google Patents
A kind of urgent support apparatus of tunnel excavation vault Download PDFInfo
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- CN205743923U CN205743923U CN201620379838.0U CN201620379838U CN205743923U CN 205743923 U CN205743923 U CN 205743923U CN 201620379838 U CN201620379838 U CN 201620379838U CN 205743923 U CN205743923 U CN 205743923U
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- arch bar
- arc arch
- concrete
- arc
- hairbrush
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Abstract
The utility model discloses a kind of urgent support apparatus of tunnel excavation vault, including carrying vehicle and arc arch bar, loading on carrying vehicle and be provided with concrete Sheng slurry case and controller, arc arch bar is connected to above carrying vehicle by bracing frame, and concrete is contained slurry case and is provided with grouting pump；Arc arch bar is overall, and in arc shape, the upper surface at arc arch bar top is provided with the scraper plate of arcuate shape, and grouting pump is connected with Grouting Pipe, and the pulp mouth of pipe of Grouting Pipe is through arc arch bar and is positioned at arc arch bar top.The fast hardening concrete siccative contained in slurry case and water are transported on the upside of arc arch bar through Grouting Pipe by grouting pump by this utility model, and while concrete setting, scraper plate will carry out smooth process to the surface after initial set；Loosening granule can be cleared up by the hairbrush of arc front edge of board, increases protection intensity and construction quality；This utility model is more efficient, complete tunnel vault supporting timely, has reached to improve constructing tunnel speed, the purpose of guarantee construction safety.
Description
Technical field
This utility model relates to field, highway engineering tunnel, particularly relates to a kind of tunnel excavation vault and promptly props up
Protect equipment.
Background technology
Along with China's expanding economy, Transportation Infrastructure Construction develops rapidly, and highway construction is gradually to ground
Deeply, vcehicular tunnel quantity grows with each passing day, and highway has crossed over mountain after mountain phenomenon in the region, the mountain ridge of reason position complexity
Through the most universal.During constructing tunnel, vault construction is affected by geological conditions and is had different selections,
Especially in soft stratum location, vault falls broken the most fairly obvious.At present, solve vault and fall broken conventional
Method is tentatively to protect with gunite concrete after excavation, it is ensured that construction quality and practitioner's peace
Entirely.The construction of gunite concrete is usually present problems with: (1) resilience problem, has certain speed
Concrete ejection to after the vault excavated, part can be owing to momentum is too big or tack time is inadequate
And kick down, use any measure to reduce rebound degree or a complex technical problem, existing execute
Crew 5 is all difficult to hold；(2) can adhesion problem, ensure the closely knit of concrete itself and concrete
Bonding closely knit problem with country rock, can this is related to concrete play predictive role.Concrete ejection is to arch
Behind top, due to soft, the resilience in local so that concrete is difficult to closely knit in position greatly, does not reaches
The purpose of vault supporting.Meanwhile, construction of shotcrete on-the-spot due to being scattered of slurry, ventilate, cause
Construction environment is very poor, and the health of human body of practitioner is had bad impact.
For solving the problems referred to above, some units in charge of construction propose, the method manually plastered.Its advantage exists
In: may determine that the practical situation of different keystone, it is ensured that the degree of compaction of concrete, improve concrete
Adhesion strength with vault.But, its shortcoming becomes apparent from: speed of application is slow, and need to obtain employment in a large number people
The long-time work high above the ground of member is bigger for construction speed and personnel attrition.Numerous line practitioners carry
Go out the requirement of mechanical execution, but existing construction machinery does not the most possess and can prevent within the tunnel excavation short time
The function protected, if the construction equipment of a kind of protection timely to constructing tunnel can be driven, for improving construction speed
Degree, construction quality and saving human resources have great importance.
Utility model content
The weak point existed for prior art, the purpose of this utility model is to provide a kind of tunnel to open
Dig the urgent support apparatus of vault, combine the feature of existing tunnel vault preliminary bracing, from mechanical feed,
The technique that machinery is smeared is set out, and is developed for the equipment of the urgent supporting of tunnel excavation vault, more efficient,
Complete tunnel vault supporting timely, to reach to improve constructing tunnel speed, it is ensured that the purpose of construction safety.
The purpose of this utility model is achieved through the following technical solutions:
A kind of urgent support apparatus of tunnel excavation vault, including carrying vehicle and arc arch bar, described carrying vehicle
Upper loading is provided with concrete and contains slurry case and controller, and described arc arch bar is connected to carrying vehicle by bracing frame
Top, described concrete is contained slurry case and is provided with the grouting pump being connected with concrete Sheng slurry box cavity, controls
Having grouting pump switch module inside device, grouting pump electrically connects with the grouting pump switch module of controller；Institute
Stating arc arch bar overall in arc shape, the upper surface at arc arch bar top is provided with the scraper plate of arcuate shape,
Described grouting pump is connected with Grouting Pipe, and the pulp mouth of pipe of Grouting Pipe is through arc arch bar and is positioned at arc
Plate top.
In order to this utility model is better achieved, the upper surface at described arc arch bar top is additionally provided with arc shape
The hairbrush of shape, described hairbrush is arranged at the front end of arc arch bar, after described scraper plate is arranged at arc arch bar
End, hairbrush is parallel with scraper plate to be arranged side by side in the upper surface at arc arch bar top.
Dust for the ease of falling tunnel vault adsorbs, between described carrying vehicle and arc arch bar
Space in be provided with dedusting yarn, described dedusting yarn is mounted on bracing frame.
This utility model preferred hair brush structure technical scheme is: described hairbrush is Electric brush of bristles, controller
Inside has hairbrush switch module, and hairbrush electrically connects with the hairbrush switch module of controller.
This utility model preferred support frame structure technical scheme is: support frame as described above is by several support bars
Constituting, described support bar is expansion link, and described carrying vehicle is provided with the hydraulic cylinder corresponding with support bar,
Hydraulic cylinder carries out elevating movement for driving the support bar of correspondence.
As preferably, support frame as described above is made up of eight support bars, and the diameter of support bar is more than 8cm；Institute
Stating arc arch bar to be made up of curved plate, its thickness is 4～8mm.
As preferably, described scraper plate is made up of banded arc-shaped steel bar, and the width of scraper plate is more than 0.5cm.
As preferably, slurry case contained by described concrete is rectangular shape, and concrete is contained the top of slurry case and had
The injection mouth of fast hardening concrete siccative, the top of concrete Sheng slurry case also has the injection mouth of water.
This utility model compared with the prior art, has the following advantages and beneficial effect:
(1) this utility model holds fast hardening concrete siccative and water in slurry case contained by concrete, by note
The fast hardening concrete siccative contained in slurry case and water are transported on the upside of arc arch bar through Grouting Pipe, so by stock pump
After solidify on the upside of arc arch bar, solidification while scraper plate will the surface after initial set be carried out smooth
Process to improve protection quality；Arc front edge of board is provided with hairbrush, and arc arch bar rear end is provided with
Scraper plate, loosening granule is cleared up by hairbrush, to ensure that the ground of fast hardening concrete and excavation is more encrypted
Real contact, ensure that the scraper plate of arc arch bar rear end can carry out concrete table quickly and smoothly simultaneously
The smooth process in face, increases protection intensity and construction quality；This utility model combines at the beginning of existing tunnel vault
The feature of phase supporting, the technique smeared from mechanical feed, machinery, more efficient, complete timely
Tunnel vault supporting, has reached to improve constructing tunnel speed, the purpose of guarantee construction safety.
(2) this utility model uses the lorry carrying vehicle as equipment of routine, can be in not synteny
Move at random in interior tunnel, the advantage with conveniently moving；This utility model uses and props up in any two
Both increase dedusting yarn between strut, effectively adsorb the dust during constructing tunnel, only need to be to removing
Dirt yarn periodically carries out clearing up, the advantage with clean environment firendly；This utility model is arc in protection process
Shape arch bar provides below a relatively large safe space, it is ensured that construction practitioner's personal safety,
The advantage with construction safety.
Accompanying drawing explanation
Fig. 1 is the side block diagram of the urgent support apparatus of tunnel excavation vault；
Fig. 2 is the backsight structure chart of the urgent support apparatus of tunnel excavation vault.
Wherein, entitled corresponding to the reference in accompanying drawing:
1-carrying vehicle, 2-support bar, 3-arc arch bar, 4-concrete Sheng slurry case, 5-controller,
6-grouting pump, 7-scraper plate, 8-Grouting Pipe, 9-hairbrush, 10-dedusting yarn, 11-dome plate, 12
-tunnel rock.
Detailed description of the invention
Below in conjunction with embodiment, this utility model is described in further detail:
Embodiment
As shown in Fig. 1～Fig. 2, a kind of urgent support apparatus of tunnel excavation vault, including carrying vehicle 1 He
Arc arch bar 3, carrying vehicle 1 of the present utility model selects two-axle truck, and power is more than 100 horsepowers, holds
Carrying to load on car 1 and be provided with concrete Sheng slurry case 4 and controller 5, arc arch bar 3 is connected by bracing frame
Above carrying vehicle 1, concrete is contained slurry case 4 and is provided with and the note of concrete Sheng slurry case 4 intracavity inter-connection
Stock pump 6, controller 5 is internal has grouting pump switch module, grouting pump 6 and the grouting pump of controller 5
Switch module electrically connects；Fast hardening concrete siccative and water are transported to arc by grouting pump 6 by Grouting Pipe 8
Arch bar 3 top, controller 5 manipulates the opening and closing of grouting pump 6.Arc arch bar 3 entirety is cambered surface
Shape, the upper surface at arc arch bar 3 top is provided with the scraper plate 7 of arcuate shape, the scraper plate 7 of the present embodiment
Being made up of banded arc-shaped steel bar, the width of scraper plate 7 is more than 0.5cm, and scraper plate 7 is arranged in arc
Rear part edge position on the upside of plate 3.Grouting pump 6 is connected with Grouting Pipe 8, the grout outlet of Grouting Pipe 8
Mouth is through arc arch bar 3 and is positioned at arc arch bar 3 top.
As it is shown in figure 1, the upper surface at arc arch bar 3 top is additionally provided with the hairbrush 9 of arcuate shape, hairbrush
9 front ends being arranged at arc arch bar 3, scraper plate 7 is arranged at the rear end of arc arch bar 3, hairbrush 9 with scrape
Plate 7 is parallel to be arranged side by side in the upper surface at arc arch bar 3 top.Hairbrush 9 of the present utility model is electronic
Hairbrush, controller 5 is internal has hairbrush switch module, hairbrush 9 and the hairbrush switch module of controller 5
Electrical connection.The hairbrush 9 of the present embodiment uses metal wheel brush, and the burr length of hairbrush 9 is according to smearing slurry thickness
Choosing, hairbrush 9 is placed in the forward edge position on the upside of arc arch bar 3.The width of scraper plate 7 is more than
0.5cm, the peak height value of scraper plate 7 is less than the peak height value 2～5cm of hairbrush.
As in figure 2 it is shown, be provided with dedusting yarn 10, dedusting in space between carrying vehicle 1 and arc arch bar 3
Yarn 10 is mounted on bracing frame, the dedusting yarn 10 of the present embodiment be arranged at each two support bar 2 it
Between.Dedusting yarn 10 of the present utility model uses existing patented technology, and its patent name is Dust-proof screen window,
Its number of patent application is 201520004129.X.
As it is shown in figure 1, bracing frame is made up of several support bars 2, support bar 2 is expansion link, supports
Bar 2 has the most telescopic hollow stem, and carrying vehicle 1 is provided with the hydraulic pressure corresponding with support bar 2
Cylinder, hydraulic cylinder carries out elevating movement for driving the support bar 2 of correspondence.This utility model is preferred
Bracing frame is made up of eight support bars 2, and the diameter of support bar 2 is more than 8cm, the arc of the present embodiment
Plate 3 is supported by eight support bars 2, point front two rows, often four support bars 2 of row；Arc arch bar 3 by
Curved plate is made, and its thickness is 4～8mm, and the radian of arc arch bar 3 is according to tunnel appearance design figure
Shape is adjusted.
Slurry case 4 contained by concrete of the present utility model is rectangular shape, and concrete is contained the top of slurry case 4 and opened
Having the injection mouth of fast hardening concrete siccative, the top of concrete Sheng slurry case 4 also has the injection mouth of water.This
Slurry case 4 contained by the concrete of embodiment can also adopt the following technical scheme that concrete contains slurry case 4 for rectangular
Shape, concrete material is reserved on the top of concrete Sheng slurry case 4, and (concrete material includes rapid hardening coagulation
Soil siccative and water) injection mouth；Injection mouth is divided into left and right two parts, and the injection mouth of left half holds rapid hardening
Concrete drier, the injection mouth of right half holds water.
Know-why of the present utility model is as follows: the initial stage during tunnel excavation, and tunnel vault has office
Portion loosens or local is concavo-convex, is cleaned by metal wheel brush, and the bonding increasing concrete and vault is strong
Degree.For preventing in the cleaning process broken phenomenon of decline, expand concrete and smear work surface, by fast hardening concrete
Siccative and water directly pump in the dome plate 11 of arc arch bar, make fast hardening concrete siccative and water at note
Slurry pipe 8 course of conveying is sufficiently mixed, and enters solidification zone.During carrying vehicle 1 moves, scrape
Plate 7 will carry out smooth process to the surface after initial set.Meanwhile, dust-proof yarn 10 is by tunnel excavation face
Interior dust adsorbs so that the dust in tunnel reduces in a large number, other works after whole preventer
Sequence has a preferable working environment during carrying out.
A kind of urgent method for protecting support of tunnel excavation vault, its method step is as follows:
A, in the arcuate walls of tunnel rock 12, construct dome plate 11, start carrying vehicle 1 and enter in tunnel,
The height of all support bars of adjusted in concert 2, makes arc arch bar 3 and tunnel that all support bars 2 support jointly
The dome plate 11 in road is at a distance of 2～5cm, and there is support bar 2 in then fixing or residence, location to keep arc
Plate 3 is 2～5cm with the operating distance of dome plate 11；
Hairbrush 9 is opened and started to B, controller 5 by hairbrush switch module, and hairbrush 9 is by vault in tunnel
Plate 11 or the irregular local of vault and loosening position clean；
C, to concrete contain slurry case 4 in be injected separately into fast hardening concrete siccative and water, controller 5 passes through
Grouting pump 6 is opened and started to grouting pump switch module, and the rapid hardening in slurry case 4 contained by concrete by grouting pump 6
Concrete drier and water are transported in the dome plate 11 on arc arch bar 3 top by Grouting Pipe 8；
D, startup carrying vehicle 1 move forward with the speed of 0.5～2m/min, by arc arch bar 3 top
Scraper plate 7 strike off process by the concrete of dome plate 11 or vault initial set is carried out surface.
Above-mentioned embodiment is a preferred embodiment of the present utility model, is not for limiting this reality
By novel enforcement and interest field, all interior according to described in this utility model patent protection scope
Hold the equivalence change made and approximation is replaced, all should fall in protection domain of the present utility model.
Claims (8)
1. the urgent support apparatus of tunnel excavation vault, it is characterized in that: include carrying vehicle (1) and arc arch bar (3), the upper loading of described carrying vehicle (1) is provided with concrete and contains slurry case (4) and controller (5), described arc arch bar (3) is connected to carrying vehicle (1) top by bracing frame, described concrete is contained slurry case (4) and is provided with and the grouting pump (6) of concrete Sheng slurry case (4) intracavity inter-connection, controller (5) is internal has grouting pump switch module, and grouting pump (6) electrically connects with the grouting pump switch module of controller (5)；Described arc arch bar (3) is overall in arc shape, the upper surface at arc arch bar (3) top is provided with the scraper plate (7) of arcuate shape, described grouting pump (6) is connected with Grouting Pipe (8), and the pulp mouth of pipe of Grouting Pipe (8) is through arc arch bar (3) and is positioned at arc arch bar (3) top.
2. according to a kind of urgent support apparatus of tunnel excavation vault described in claim 1, it is characterized in that: the upper surface at described arc arch bar (3) top is additionally provided with the hairbrush (9) of arcuate shape, described hairbrush (9) is arranged at the front end of arc arch bar (3), described scraper plate (7) is arranged at the rear end of arc arch bar (3), and hairbrush (9) is parallel with scraper plate (7) to be arranged side by side in the upper surface at arc arch bar (3) top.
3. according to a kind of urgent support apparatus of tunnel excavation vault described in claim 1 or 2, it is characterised in that: being provided with dedusting yarn (10) in the space between described carrying vehicle (1) and arc arch bar (3), described dedusting yarn (10) is mounted on bracing frame.
4. according to a kind of urgent support apparatus of tunnel excavation vault described in claim 2, it is characterized in that: described hairbrush (9) is Electric brush of bristles, controller (5) is internal has hairbrush switch module, and hairbrush (9) electrically connects with the hairbrush switch module of controller (5).
5. according to a kind of urgent support apparatus of tunnel excavation vault described in claim 1 or 2, it is characterized in that: support frame as described above is made up of several support bars (2), described support bar (2) is expansion link, described carrying vehicle (1) is provided with the hydraulic cylinder corresponding with support bar (2), and hydraulic cylinder carries out elevating movement for driving the support bar (2) of correspondence.
6. according to a kind of urgent support apparatus of tunnel excavation vault described in claim 5, it is characterised in that: support frame as described above is made up of eight support bars (2), and the diameter of support bar (2) is more than 8cm；Described arc arch bar (3) is made up of curved plate, and its thickness is 4～8mm.
7. according to a kind of urgent support apparatus of tunnel excavation vault described in claim 1, it is characterised in that: described scraper plate (7) is made up of banded arc-shaped steel bar, and the width of scraper plate (7) is more than 0.5cm.
8. according to a kind of urgent support apparatus of tunnel excavation vault described in claim 1, it is characterized in that: slurry case (4) contained by described concrete is rectangular shape, the top of concrete Sheng slurry case (4) has the injection mouth of fast hardening concrete siccative, and the top of concrete Sheng slurry case (4) also has the injection mouth of water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620379838.0U CN205743923U (en) | 2016-04-30 | 2016-04-30 | A kind of urgent support apparatus of tunnel excavation vault |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620379838.0U CN205743923U (en) | 2016-04-30 | 2016-04-30 | A kind of urgent support apparatus of tunnel excavation vault |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205743923U true CN205743923U (en) | 2016-11-30 |
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ID=57372713
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620379838.0U Expired - Fee Related CN205743923U (en) | 2016-04-30 | 2016-04-30 | A kind of urgent support apparatus of tunnel excavation vault |
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| CN (1) | CN205743923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781587A (en) * | 2016-04-30 | 2016-07-20 | 山西省交通科学研究院 | Tunnel excavation vault emergency support equipment and method |
-
2016
- 2016-04-30 CN CN201620379838.0U patent/CN205743923U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781587A (en) * | 2016-04-30 | 2016-07-20 | 山西省交通科学研究院 | Tunnel excavation vault emergency support equipment and method |
| CN105781587B (en) * | 2016-04-30 | 2017-07-21 | 山西省交通科学研究院 | A kind of urgent support apparatus of tunnel excavation vault and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20190430 |