CN107701207A - Subterranean tunnel assembled bow member support system and mechanized construction method - Google Patents
Subterranean tunnel assembled bow member support system and mechanized construction method Download PDFInfo
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- CN107701207A CN107701207A CN201711214804.1A CN201711214804A CN107701207A CN 107701207 A CN107701207 A CN 107701207A CN 201711214804 A CN201711214804 A CN 201711214804A CN 107701207 A CN107701207 A CN 107701207A
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- bow
- assembled
- support system
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- 238000010276 construction Methods 0.000 title claims abstract description 38
- 238000009434 installation Methods 0.000 claims abstract description 17
- 238000004873 anchoring Methods 0.000 claims abstract description 6
- 238000013461 design Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 38
- 239000010959 steel Substances 0.000 claims description 38
- 230000005540 biological transmission Effects 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 10
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 9
- 230000008685 targeting Effects 0.000 claims description 7
- 210000003205 muscle Anatomy 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 241001136800 Anas acuta Species 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000012937 correction Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 230000032258 transport Effects 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 238000011900 installation process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- 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
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/107—Reinforcing elements therefor; Holders for the reinforcing elements
-
- 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
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of subterranean tunnel assembled bow member support system and mechanized construction method, to excavating the tunnel completed just spray, sets anchor pole；According to shelf's design on arch bridge profile, it is assembled to carry out bow member examination；Each connecting node of bow member is opened again, carries out bow member transport；Bow member mechanization installation is carried out using bow member auxiliary fitting machine；After bow member is accurately positioned, section check is carried out using laser ranging system, sets lock foot anchoring stock；The circulation residue bow member is installed, until all bow member installations.The present invention realizes tunnel bow member mechanized construction, mitigates hand labor intensity, shortens the construction period, and speed of application is fast, and scene needs number of workers few, saves great amount of cost.
Description
Technical field
The invention belongs to underground engineering support field, and in particular to a kind of subterranean tunnel assembled bow member support system and machine
Tool construction method.
Background technology
In recent years, underground engineering cause in China's is developed rapidly, and is not only shown the growth of quantity, is technically also existed
Rapidly develop and constantly break through.With the fast development of underground engineering construction scale and speed, as underground preliminary bracing
The steel arch-shelf of main body, its installation rate, quality are particularly important to saving man-hour, and main currently as China's underground engineering
The steel arch-shelf of support unit is still using the manually installed mode in scene.
Traditional arch construction mode is primarily present following shortcoming：1. required number of workers is more, labor intensity is big, efficiency compared with
It is low.Existing bow member using flange, sleeve pipe connection, during in-site installation, needs largely manually to carry out coordinative construction more；2. security is poor.
, it is necessary to which largely non-support space carries out prolonged high intensity construction operation to worker at the scene in installation process, security is difficult to
Ensure；3. existing bow member connected mode can not coordinate the mechanization site operation of bow member.
Therefore, it is badly in need of a kind of tunnel bow member mechanized construction method.Carry out research in this respect, can be tunnel assembled
The popularization of steel arch-shelf mechanized construction lays the foundation, and has higher construction value.
The content of the invention
The present invention is to solve the above problems, provide a kind of subterranean tunnel assembled bow member support system and mechanized construction side
Method, with it, can realize that bow member motorization assembly is constructed, worker's working security is improved, while high degree shortens
Construction period.
To achieve these goals, the present invention adopts the following technical scheme that：
Subterranean tunnel assembled bow member support system and mechanized construction method, comprise the following steps：
(1) bow member examination is assembled：According to shelf's design on arch bridge profile, bow member examination assembly is carried out, will using node weld bushing device
The end of each section bow member carries out accurate welding with node, while installs longitudinal register corollary apparatus in the specified location of bow member；
(2) bow member transports：Each connecting node of bow member is opened, bow member is transported to tunnel face；
(3) bow member mechanization is installed：Longitudinal positioning device is installed on bow member surface, both sides spandrel position deployed, bow member
Fitting machine snatch arch crown part is lifted, and aids in fitting machine to deploy both sides arch springing position using bow member, bow member is placed in
Bow member lowering or hoisting gear is laid at specified location, arch springing position；
(4) bow member precise positioning：Bow member fitting machine adjusts bow member, longitudinal positioning device is connected with previous Pin bow members,
Vault and both sides arch springing position set laser orientation instru-ment to carry out position correction, adjust arch springing lowering or hoisting gear, complete whole Pin bow members
It is accurately positioned；
(5) section is checked：Section check is carried out using laser ranging system, sets lock foot anchoring stock；
(6) other processes：Following this procedure, the circulation residue bow member is installed, welds remaining longitudinally connected muscle, lays reinforcing bar
Net and multiple pneumatically placed concrete.
Further, described I-steel bow member is the bow member after reinforcement, crucial during bow member mechanized construction to become
Ribbed stiffener is set up at shape position.
Step (1) middle arch rack examination is assembled, the bushing device spliced by a kind of special auxiliary bow member, its mainly by
Smooth base, lateral support and counter-force floor three parts composition, the both ends of described smooth base set counter-force floor, smooth
The center section of base sets lateral support；Assembling type node and single-unit bow member can be subjected to accurate welding, after ensureing assembly
Whole Pin bow members are in same plane.Further, described I-steel bow member includes two kinds of forms, a form of bow member,
Its node is all connected using assembling type node, and another form of bow member is connected in arch springing position using assembling type node, arch
Shoulder position is connected using flange joint；
Described assembling type node, including assembled attachment means and guiding pressure-bearing in two adjacent sections bow member are respectively welded
Attachment means, the guiding pressure-bearing attachment means are made up of fixed connecting plate and guide plate, and the fixed connecting plate is used to connect
One single-unit bow member, described guide plate are welded in the both sides of fixed connecting plate, form a trench structure；The assembled connects
Connection device is made up of guide extension device and steel plate, and the steel plate is used to connect another single-unit bow member；Described steel plate passes through
Rotating pin is connected with described fixed connecting plate；0~360 ° of the anglec of rotation of described rotating pin；Described guide extension
Device connection described steel plate and guide plate.
Further, described steel plate is provided with three through holes, and respectively guide extension device installation through-hole, bolt connects
Connect hole, bearing pin rotating through hole.
The guide plate upper end is the skew back sliding surface in arc-shaped, and is opened up in guide plate relative with the exhausting hole of steel plate three
The through hole answered.
The guide extension device includes two power transmission pins, a stop nut and a restoring spring, two power transmission pins
Pin head segment to be hemispherical, main body be columned structure, and pin tail is cup dolly of the diameter more than pin head segment, at two
Spring eye is provided with cup dolly；The stop nut is fixed therein the front end of a power transmission pin, plays fixing force transfer pin,
Described restoring spring both ends are fixed in the spring eye of two power transmission pins respectively.
Guide extension device makes power transmission pin front end stretch out outside hole, the guiding pressure-bearing connection dress by internal restoring spring
Put around bearing pin rotate when, guide plate extruding power transmission pin, restoring spring compression, after fixed connecting plate and steel plate are bonded, power transmission pin
Head is ejected and latched in guide plate through hole, and node locking is linked together.
Described bow member node unfolding mode is：The assembling type node for trying assembled bow member is opened using node clamp；
Preferably, for flange joint, flange joint is opened by way of artificial unloading's bolt；
Further, the node clamp are made up of jaw, the pincers cheek and handle three parts, and jaw inwardly stretches out, and main body is
Cylindric, head is hemispherical, and diameter is identical with power transmission plunger diameter；Jaw is connected with the pincers cheek, and the pincers cheek is connected with handle；
Further, described bow member means of transportation is：All using the I-steel bow member of assembling type node, it will be rolled over
Poststack, face is hoisted to by bow member fitting machine；
Preferably, for the I-steel bow member using assembling type node and flange joint, by loading machine by single-unit bow member
It is transported to face；
Further, described bow member mounting means is：For all using the bow member of assembling type node, at face
Ground on, will be opened with manipulator at spandrel, assembling type node is engaging in place；
Preferably, for the I-steel bow member using assembling type node and flange joint, by manually installed at spandrel
Bolt, connect between bow member；
Further, described use laser orientation instru-ment is calibrated to bow member decorating position, refers to vault and both sides arch
The laser orientation instru-ment mark point corresponding with face of 3 positions of pin carries out the calibration of position, coordinates with longitudinal positioning device,
Realize being accurately positioned for bow member；
Described bow member lowering or hoisting gear includes base, oil cylinder, universal ball end and supporting plate and formed；Described hydraulic jack installation
On base, the clutch end of hydraulic jack is connected by a universal ball end with bow member supporting plate；Universal ball end can realize one
Determine the rotation of angle, oil cylinder stroke can be adjusted according to Practical Project.
The universal ball end maximum rotation angle, device minimum altitude, oil cylinder stroke can be adjusted according to Practical Project；
Further, described use laser ranging system carries out section check, such as meets bow member installation requirement, sets lock
Pin anchor pole is fixed；Bow member installation requirement is not met such as, using installing equipment and arch springing lowering or hoisting gear is finely adjusted and repetition measurement；
The laser ranging system includes laser beam emitting device, movable axle sleeve and fixture composition；Described movable axle sleeve
Interior installation laser beam emitting device, and movable axle sleeve is arranged on fixture by bearing pin.
Longitudinal positioning device between described bow member, including targeting port device, the arch to be installed being arranged on previous Pin bow members
Understructure and dowel structure on frame；Groove structure is provided with inside the targeting port device, plum blossom is placed with groove
Collar；The understructure is screw base, can fixed connecting rod structure；The dowel structure leading portion is provided with raised knot
Structure, it can be placed in plum blossom collar and fix automatically；End is provided with screw thread and is securable on understructure, connects two Pin bow members.
It is described present invention also offers a kind of support system formed using the above method, including more Pin I-steel bow members
I-steel bow member supports country rock, arranges along tunnel, is connected between adjacent bow member by longitudinally connected muscle successively, forms supporter
System；Concrete spray coating is sprayed with the support system.
Beneficial effects of the present invention are：
(1) present invention is easily implemented, and strong adaptability, node apparatus can coordinate the bow member of various different cross section shapes, and can root
The size of node is adjusted according to the size in bow member section；
(2) one-above-the-other layout can easily and efficiently solve bow member installation quick positioning question between bow member of the present invention；
(3) bow member of the present invention realizes mechanized construction, mitigates hand labor intensity, shortens the construction period, and speed of application is fast,
Scene needs number of workers few, saves great amount of cost.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not form the improper restriction to the application.
Fig. 1 is construction process figure；
Fig. 2 is bow member node location schematic diagram；
Fig. 3 is node weld bushing device schematic diagram；
Fig. 4 is assembling type node schematic diagram；
Fig. 5 is node clamp schematic diagram；
Fig. 6 is that bow member folds schematic diagram；
Fig. 7 is bow member lowering or hoisting gear schematic diagram；
Fig. 8 (a), Fig. 8 (b), Fig. 8 (c) are one-above-the-other layout schematic diagram；
Fig. 9 is laser ranging system schematic diagram.
Wherein, 1, bow member, 2, assembling type node, 3, flange joint, 4, smooth base, 5, lateral support, 6, counter-force floor,
7th, be connected plate, 8, guide plate, 9, guide extension device, 10, steel plate, 11, bearing pin rotating mechanism, 12, node clamp, 13,
Jaw, 14, the pincers cheek, 15, handle, 16, base, 17, oil cylinder, 18, universal ball end, 19, supporting plate, 20, screw base, 21, loudspeaker
Shape targeting port, 22, plum blossom collar, 23, groove, 24, longitudinally connected muscle, 25, laser beam emitting device, 26, movable axle sleeve, 27, folder
Tool.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, following shortcoming is primarily present in traditional arch construction mode：1. required worker
Quantity is more, and labor intensity is big, less efficient.Existing bow member using flange, sleeve pipe connection, during in-site installation, needs largely artificial more
Carry out coordinative construction；2. security is poor., it is necessary to which largely non-support space carries out prolonged height to worker at the scene in installation process
Intensity construction operation, security are difficult to ensure that；3. existing bow member connected mode can not coordinate the mechanization site operation of bow member.
Therefore, it is badly in need of a kind of subterranean tunnel assembled bow member mechanized construction method.Carry out research in this respect, Ke Yiwei
The popularization of tunnel assembled bow member mechanized construction lays the foundation, and has higher construction value.In order to solve technology as above
Problem, present applicant proposes a kind of subterranean tunnel assembled bow member support system and mechanized construction method.
In a kind of typical embodiment of the application, as shown in figure 1, subterranean tunnel assembled bow member support system and machine
Tool construction method, comprises the following steps：
(1) bow member examination is assembled：According to shelf's design on arch bridge profile, bow member examination assembly is carried out, will using node weld bushing device
Each node welds with often saving bow member end, while installs longitudinal register corollary apparatus in the specified location of bow member；
Described I-steel bow member is the bow member after reinforcement, and crucial deformation position adds during bow member mechanized construction
Ribbed stiffener；
As shown in figure 3, bushing device, it is mainly made up of smooth base 4, lateral support 5 and the three parts of counter-force floor 6,
Assembling type node and single-unit bow member end can be subjected to accurate welding, ensure that spliced whole Pin bow members are in same plane；
The both ends of described smooth base set counter-force floor, and lateral support is set in the center section of smooth base.
I-steel bow member includes two kinds of forms, and a form of bow member node is all using assembling type node 2, another shape
The bow member of formula, as shown in Fig. 2 using assembling type node 2 in arch springing position, spandrel position uses flange joint 3；
As shown in figure 4, bow member assembling type node, including be respectively welded in two adjacent sections bow member assembled attachment means and
Pressure-bearing attachment means are oriented to, the assembled attachment means and guiding pressure-bearing attachment means are connected by bearing pin rotating mechanism 11
Connect；
By being connected plate 7 and guide plate 8 forms, the fixed connecting plate is used to connect the guiding pressure-bearing attachment means
One single-unit bow member, described guide plate are welded in the both sides of fixed connecting plate, form a trench structure；The assembled connects
Connection device is made up of guide extension device 9 and steel plate 10, and three row's through holes are set inside the steel plate；The steel plate is used to connect
Another single-unit bow member；Described steel plate is connected by rotating pin with described fixed connecting plate；Described rotating pin
0~360 ° of the anglec of rotation；Described guide extension device connection described steel plate and guide plate.
Steel plate is provided with three through holes, respectively guide extension device installation through-hole, bolt connection through hole, bearing pin rotation
Through hole.
Guide plate upper end is the skew back sliding surface in arc-shaped, and is opened up in guide plate corresponding with the exhausting hole of steel plate three
Through hole..
Guide extension device includes two power transmission pins, a stop nut and a restoring spring, the pin of two power transmission pins
Head is divided into hemispherical, and main body is columned structure, and pin tail is the cup dolly that diameter is more than pin head segment, in two circles
Spring eye is provided with base；The stop nut is fixed therein the front end of a power transmission pin, plays fixing force transfer pin, described
Restoring spring both ends fix respectively in the spring eye of two power transmission pins.
Guide extension device makes power transmission pin front end stretch out outside hole, the guiding pressure-bearing connection dress by internal restoring spring
Put around bearing pin rotate when, guide plate extruding power transmission pin, restoring spring compression, after fixed connecting plate and steel plate are bonded, power transmission pin
Head is ejected and latched in guide plate through hole, and node locking is linked together.
(2) bow member transports：Each connecting node of bow member is opened, transported bow member to tunnel using bow member fitting machine or loading machine
Before the face of hole；
Described bow member node unfolding mode is：The assembling type node for trying assembled bow member is opened using node clamp；
Preferably, for flange joint, flange joint is opened by way of artificial unloading's bolt；
As shown in figure 5, node clamp 12 are made up of jaw 13, the pincers cheek 14 and the three parts of handle 15, jaw inwardly stretches out, main
Body is cylindric, and head is hemispherical, and diameter is identical with power transmission plunger diameter.
Described bow member means of transportation is：All using the I-steel bow member of assembling type node, after being folded, it will pass through
Bow member fitting machine is hoisted to face；
Preferably, for the I-steel bow member using assembling type node and flange joint, by loading machine by single-unit bow member
It is transported to face；
(3) bow member mechanization is installed：Longitudinal positioning device is installed on bow member surface, both sides spandrel position deployed, bow member
Fitting machine snatch arch crown part is lifted, and aids in fitting machine to deploy both sides arch springing position using bow member, bow member is placed in
Bow member lowering or hoisting gear is laid at specified location, arch springing position；
Bow member mounting means is：For all using the bow member of assembling type node, on the ground at face, with machinery
Hand will be opened at spandrel, and assembling type node is engaging in place；
Preferably, for the I-steel bow member using assembling type node and flange joint, by manually installed at spandrel
Bolt, the flange joint of the section bow member of connection two；
(4) bow member precise positioning：Bow member fitting machine adjusts bow member, longitudinal positioning device is connected with previous Pin bow members,
Vault and both sides arch springing position set laser orientation instru-ment to carry out position correction, adjust arch springing lowering or hoisting gear, complete whole Pin bow members
It is accurately positioned；
Described is calibrated using laser orientation instru-ment to bow member decorating position, refers to 3 positions of vault and both sides arch springing
Corresponding with the face mark point of laser orientation instru-ment carry out the calibration of position, coordinate with longitudinal positioning device, realize bow member
It is accurately positioned；
Described bow member lowering or hoisting gear is formed including base 16, oil cylinder 17, universal ball end 18 and supporting plate 19；
The universal ball end maximum rotation angle, device minimum altitude, oil cylinder stroke can be adjusted according to Practical Project；
(5) section is checked：Section check is carried out using laser ranging system, sets lock foot anchoring stock；
Described carries out section check using laser ranging system, such as meets bow member installation requirement, sets lock foot anchoring stock and enter
Row is fixed；Bow member installation requirement is not met such as, using installing equipment and arch springing lowering or hoisting gear is finely adjusted and repetition measurement；
As shown in fig. 7, laser ranging system forms including laser beam emitting device 25, movable axle sleeve 26 and fixture 27；Institute
The laser beam emitting device 25 stated is arranged in movable axle sleeve 26, and movable axle sleeve 26 passes through rotary pin shaft jockey 27；So that
Laser beam emitting device 25 rotates around fixture 27.
As shown in Fig. 8 (a), Fig. 8 (b), Fig. 8 (c), longitudinal positioning device between bow member, including be arranged on previous Pin bow members
Targeting port device 21, understructure 20 and dowel structure 24 on bow member to be installed；
Groove structure 23 is provided with inside the targeting port device, plum blossom collar 22 is placed with groove；
The understructure is screw base 20, can fixed connecting rod structure；
The leading portion of dowel structure 24 is provided with bulge-structure, can be placed in plum blossom collar 22 and fix automatically；End is set
It is equipped with screw thread to be securable on understructure 20, connects two Pin bow members.
(6) other processes：Following this procedure, the circulation residue bow member is installed, welds remaining longitudinally connected muscle, lays reinforcing bar
Net and multiple pneumatically placed concrete.
The preferred embodiment of the application is the foregoing is only, is not limited to the application, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. subterranean tunnel assembled bow member support system and mechanized construction method, it is characterised in that comprise the following steps：
(1) bow member examination is assembled：According to shelf's design on arch bridge profile, it is assembled to carry out bow member examination, using node weld bushing device by each section
The end of bow member carries out accurate welding with assembling type node, while installs longitudinal register corollary apparatus in the specified location of bow member；
(2) bow member transports：Each connecting node of bow member is opened, bow member is transported to tunnel face；
(3) bow member mechanization is installed：Longitudinal positioning device is installed on bow member surface, both sides spandrel position is deployed, bow member installation
Machine snatch arch crown part is lifted, and is aided in fitting machine to deploy both sides arch springing position using bow member, bow member is placed in specified
Bow member lowering or hoisting gear is laid at position, arch springing position；
(4) bow member precise positioning：Bow member fitting machine adjusts bow member, longitudinal positioning device is connected with previous Pin bow members, in vault
Set laser orientation instru-ment to carry out position correction with both sides arch springing position, adjust arch springing lowering or hoisting gear, complete the accurate of whole Pin bow members
Positioning；
(5) section is checked：Section check is carried out using laser ranging system, sets lock foot anchoring stock；
(6) other processes：Following this procedure, the circulation residue bow member is installed, welds remaining longitudinally connected muscle, lay bar-mat reinforcement and
Multiple pneumatically placed concrete.
2. subterranean tunnel assembled bow member support system as claimed in claim 1 and mechanized construction method, it is characterised in that
Step (1) the middle arch rack examination is assembled, and the bushing device spliced by a kind of special auxiliary bow member, it is mainly by smooth bottom
Seat, lateral support and counter-force floor three parts composition, the both ends of described smooth base set counter-force floor, in smooth base
Center section sets lateral support；Assembling type node and single-unit bow member can be subjected to accurate welding, ensure the whole Pin arches after assembly
Frame is in same plane.
3. subterranean tunnel assembled bow member support system as claimed in claim 1 and mechanized construction method, it is characterised in that
Described assembling type node, including the assembled attachment means being respectively welded in two adjacent sections bow member connect dress with pressure-bearing is oriented to
Put, the guiding pressure-bearing attachment means are made up of fixed connecting plate and guide plate, and the fixed connecting plate is used to connect a list
Bow member is saved, described guide plate is welded in the both sides of fixed connecting plate, forms a trench structure；The assembled attachment means
It is made up of guide extension device and steel plate, the steel plate is used to connect another single-unit bow member；Described steel plate passes through rotational pin
Axle is connected with described fixed connecting plate；0~360 ° of the anglec of rotation of described rotating pin；Described guide extension device connects
Connect described steel plate and guide plate.
4. subterranean tunnel assembled bow member support system as claimed in claim 1 and mechanized construction method, it is characterised in that
The guide extension device includes two power transmission pins, a stop nut and a restoring spring, the pin head part of two power transmission pins
It is divided into hemispherical, main body is columned structure, and pin tail is the cup dolly that diameter is more than pin head segment, in two cup dollies
It is interior to be provided with spring eye；The stop nut is fixed therein the front end of a power transmission pin, plays fixing force transfer pin, and described returns
Position both ends of the spring is fixed in the spring eye of two power transmission pins respectively；
Guide extension device makes power transmission pin front end stretch out outside hole by internal restoring spring, the guiding pressure-bearing attachment means around
When bearing pin rotates, guide plate extruding power transmission pin, restoring spring compression, after fixed connecting plate and steel plate fitting, power transmission plunger bullet
Go out and latch in guide plate through hole, node locking is linked together.
5. subterranean tunnel assembled bow member support system as claimed in claim 1 and mechanized construction method, it is characterised in that
Described bow member node unfolding mode is：The assembling type node for trying assembled bow member is opened using node clamp；The node card
Pincers are made up of jaw, the pincers cheek and handle three parts, and jaw inwardly stretches out, main body to be cylindric, head be it is hemispherical, and diameter with
Power transmission plunger diameter is identical；Jaw is connected with the pincers cheek, and the pincers cheek is connected with handle.
Described bow member means of transportation is：Using the I-steel bow member of assembling type node, after being folded, bow member all will be passed through
Fitting machine is hoisted to face；
Described bow member mounting means is：For all using the bow member of assembling type node, on the ground at face, using machine
Tool hand will be opened at spandrel, and assembling type node is engaging in place.
6. subterranean tunnel assembled bow member support system as claimed in claim 1 and mechanized construction method, it is characterised in that
Described is calibrated using laser orientation instru-ment to bow member decorating position, refers to that the laser of 3 positions of vault and both sides arch springing is determined
Instrument mark point corresponding with face in position carries out the calibration of position, coordinates with longitudinal positioning device, realizes being accurately positioned for bow member.
7. subterranean tunnel assembled bow member support system as claimed in claim 1 and mechanized construction method, it is characterised in that
Described bow member lowering or hoisting gear includes base, oil cylinder, universal ball end and supporting plate and formed；Described hydraulic jack is arranged on base
On, the clutch end of hydraulic jack is connected by a universal ball end with bow member supporting plate；Universal ball end can realize certain angle
Rotation, oil cylinder stroke can be adjusted according to Practical Project；The universal ball end maximum rotation angle, device minimum altitude,
Oil cylinder stroke can be adjusted according to Practical Project.
8. subterranean tunnel assembled bow member support system as claimed in claim 1 and mechanized construction method, it is characterised in that
Described carries out section check using laser ranging system, such as meets bow member installation requirement, sets lock foot anchoring stock and be fixed；Such as
Bow member installation requirement is not met, using installing equipment and arch springing lowering or hoisting gear is finely adjusted and repetition measurement.
9. subterranean tunnel assembled bow member support system as claimed in claim 1 and mechanized construction method, it is characterised in that
Longitudinal positioning device between described bow member, including be arranged on previous Pin bow members targeting port device, the bottom on bow member to be installed
Holder structure and dowel structure；Groove structure is provided with inside the targeting port device, plum blossom collar is placed with groove；It is described
Understructure is screw base, can fixed connecting rod structure；The dowel structure leading portion is provided with bulge-structure, can be placed in plum
Fixed automatically in flower collar；End is provided with screw thread and is securable on understructure, connects two Pin bow members.
10. the support system that a kind of method as described in claim 1-9 is formed, it is characterised in that including more Pin i arch
Frame, the bow member support country rock, arrange along tunnel, connected between adjacent bow member by longitudinally connected muscle successively, form support
System；Concrete spray coating is sprayed with the support system；
Preferably, described I-steel bow member includes two kinds of forms, and a form of bow member, its node is all using assembled section
Point connection；Another form of bow member is connected in arch springing position using assembling type node, and spandrel position is connected using flange joint.
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