CN109372553A - Tunnel mould spray belt template component - Google Patents
Tunnel mould spray belt template component Download PDFInfo
- Publication number
- CN109372553A CN109372553A CN201811420637.0A CN201811420637A CN109372553A CN 109372553 A CN109372553 A CN 109372553A CN 201811420637 A CN201811420637 A CN 201811420637A CN 109372553 A CN109372553 A CN 109372553A
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- Prior art keywords
- belt
- template
- belt template
- frame side
- roller
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- 239000007921 spray Substances 0.000 title claims abstract description 70
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- 230000000694 effects Effects 0.000 claims abstract description 14
- 231100000241 scar Toxicity 0.000 claims description 3
- 239000004567 concrete Substances 0.000 abstract description 23
- 238000010276 construction Methods 0.000 abstract description 15
- 238000005507 spraying Methods 0.000 abstract description 4
- 238000005096 rolling process Methods 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000009412 basement excavation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000009416 shuttering Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 210000000245 forearm Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding 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
- E21D11/04—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
- E21D11/102—Removable shuttering; Bearing or supporting devices 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
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of Tunnel mould spray belt template components, including endless-belt template flexible, falsework, the front side of the falsework laterally side by side several belt support rollers are installed, belt template is set in belt support roller, front end belt template can be close to two or more adjacent steel arch-shelfs, so that forming die cavity to be poured between belt template and steel arch-shelf.Spray head directly can spray fast hardening concrete into die cavity from upper, belt template has not only acted as the effect of template, also play the effect of the walking belt as belt template component, so that belt template constantly forms new die cavity in continuous moving from the bottom up in rolling, spray head can also be carried out continuously spraying and be poured, effectively increase the construction quality of mould spray, work progress reduces accelerator dosage, effectively increases construction efficiency without concrete springback.
Description
Technical field
The invention belongs to Tunnel Engineering equipment technology fields, in particular to whitewash and open for gib in constructing tunnel
A kind of Tunnel mould spray belt template component of hair.
Background technique
In existing engineering construction machinery, concrete sprayer (such as wet shot manipulator) is a kind of relatively conventional construction
It is mechanical.The working principle of concrete sprayer is that it is defeated that preparatory mixed concrete mixture is passed through pipeline using compressed air
It is sent at the nozzle of spraying machine, under the action of compressed air, is ejected by spray plane at a high speed, to form concrete supporting.
Concrete-spraying technology is widely used in various construction fields with its easy technique.
Meanwhile being needed in the engineering construction that excavation face carries out gib in traditional tunnel etc., wet shot manipulator is more
Using the form of construction work directly sprayed in excavation face, in order to guarantee that concrete supporting can satisfy intensity within a certain period of time
It is required that needing to fill a large amount of additive or accelerator in concrete, and the concrete springback rate sprayed is high, whitewashing will have
No less than 20% mixed mud rebound, causes the huge waste of construction material, is degrading the construction environment at scene, improves engineering
Cost, while the temporary support structures directly whitewashed can have the intensity technical problems such as not enough.And its surface light after supporting molding
Clean degree is poor also to be needed to do Shape correction to its surface, extends construction period.Therefore a kind of can be effectively reduced is developed to whitewash back
Bullet rate, and the device for improving site operation environment seems very urgent.
Summary of the invention
It is an object of the invention to: it is directed to above-mentioned technical problem of the existing technology, provides a kind of tunnel initial-stage branch
Mould spray belt template component is protected, forms die cavity between belt template and steel arch-shelf, spray head can directly be sprayed from upper into die cavity
Fast hardening concrete, the injection for reaching Tunnel continuous band template pour, no concrete springback, reduce accelerator use
Amount, and effectively increase construction efficiency.
The technical scheme of the present invention is realized as follows: Tunnel mould spray belt template component, can integrally pacify
In the revolution large arm of mould spray booth vehicle, including endless-belt template flexible, falsework, the front side of the falsework are horizontal
To side by side several belt support rollers are installed, belt template is set in belt support roller, and front end belt template can be close to phase
Two or more adjacent steel arch-shelfs, so that forming die cavity to be poured between belt template, scar and steel arch-shelf.
Tunnel mould spray belt template component of the present invention is located at the belt on falsework
Top and bottom end on the inside of template are respectively arranged with deflecting roller and lower deflecting roller；The diameter of upper and lower deflecting roller is greater than the belt
Support roller diameter.
Tunnel mould spray belt template component of the present invention, the roller of the upper deflecting roller or lower deflecting roller
Drive motor is connected on axis, the deflecting roller with drive motor can drive belt template to rotate.
Tunnel mould spray belt template component of the present invention is located at the rear end on falsework
It is provided with tensioning home roll on the inside of belt template, belt template can be pushed up backward and be stretched, has the function that be tensioned belt template.
Tunnel mould spray belt template component of the present invention is located at tensioning home roll on falsework
It is upper and lower be respectively arranged with a tensioning deputy roller, with cooperation tensioning home roll strengthen tension effects.
Tunnel mould spray belt template component of the present invention, the falsework include being located at two sides
Rectangle frame side is provided with upper connecting cross beam and lower connecting cross beam in the rear end of described two frame side.
Tunnel mould spray belt template component of the present invention, belt support roller is by supporting roller seat to fix
In the frame side of two sides, support roller seat includes seat board and otic placode with holes, and the otic placode with holes is vertically fixed on the front side of seat board, is used for
The roll shaft of fixed support roller, seat board is by supporting cylinder to be fixed in frame side.
Tunnel mould spray belt template component of the present invention, the frame side include preceding vertical beam and erect afterwards
Beam is fixed with auxiliary vertical beam after frame side on the inside of vertical beam, the cylinder body of the support cylinder is fixed on auxiliary vertical beam, piston rod with
The rear side of seat board is fixed.
Tunnel mould spray belt template component of the present invention, support roller seat further includes being vertically connected on seat
Guiding axis on rear side of plate, guiding axis is inserted in be fixed on frame side before in guideway on vertical beam.
Tunnel mould of the present invention spray belt template component, vertical beam and guideway before the frame side
Junction is equipped with the through-hole that penetrates through with guideway inner hole, and guiding axis may pass through through-hole and enter before frame side vertical beam after vertical beam and frame side
Between.
The invention has the benefit that by provided Tunnel mould spray belt template component, so that skin
Die cavity is formed between band template and adjacent two steel arch-shelfs, spray head directly can spray fast hardening concrete into die cavity from upper, and
The belt template of annular, under the collective effect of corresponding deflecting roller, may make belt template constantly continuously to revolve in drive motor
Turn, so that belt template can be rolled easily in the vertical of steel arch-shelf, while being close to steel arch-shelf so that belt
Template has not only acted as the effect of template, the effect of the walking belt as belt template component is also played, so that in rolling
Belt template constantly forms new die cavity in continuous moving from the bottom up, and spray head can also be carried out continuously spraying and be poured, effectively
The construction quality of mould spray is improved, and without concrete springback, reduces accelerator dosage, effectively increases construction efficiency.
Detailed description of the invention
Fig. 1 is the schematic diagram one of inventive belt template component；
Fig. 2 is the schematic diagram two of inventive belt template component；
Fig. 3 is the schematic diagram of template support of the present invention；
Fig. 4 is the schematic diagram one of falsework of the present invention；
Fig. 5 is the schematic diagram two of falsework of the present invention；
Fig. 6 is the overall schematic of mould spray booth vehicle of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The technology of the present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain this hair
It is bright, it is not intended to limit the present invention.
As shown, Tunnel mould spray use belt template component, can integral installation it is big in the revolution of mould spray booth vehicle
On arm, including endless-belt template 2 flexible, falsework 1, if the front side of the falsework 1 being equipped with laterally side by side
Dry hide band support roller 3, belt template 1 are set in belt support roller 3, and front end belt template 2 can be close to adjacent two or more
Steel arch-shelf, so that forming die cavity to be poured between belt template 2, scar and steel arch-shelf.
On falsework 1, upper 31 He of deflecting roller is respectively arranged with positioned at the top of 2 inside of belt template and bottom end
Lower deflecting roller 32；And the diameter of upper deflecting roller 31 and lower deflecting roller 32 is greater than 3 diameter of belt support roller, upper deflecting roller 31
It keeps flushing with the front side cambered surface of lower deflecting roller 32 and belt support roller 3.The falsework 1 includes positioned at the rectangular of two sides
Shape frame side 11 is provided with upper connecting cross beam 12 and lower connecting cross beam 13 in the rear end of described two frame side 11.Two sides frame side 11
Top and bottom are respectively arranged with upper bracket 11a and lower bracket 11b, to be respectively used to fixed upper deflecting roller 31 and lower deflecting roller
32。
It is connected with drive motor 321 on the roll shaft of the lower deflecting roller 32, the lower deflecting roller 32 with drive motor 321 can
Drive the rotation of belt template 2 forward or backwards.In actual design, drive motor can equally be connect with upper deflecting roller 31, with
Reach identical technical effect.
The upper deflecting roller 31, lower deflecting roller 32, and the belt branch between upper deflecting roller 31 and lower deflecting roller 32
The front end roll surface of support roller 3 integrally has and the consistent radian of steel arch-shelf.
On falsework 1, tensioning home roll 33 is provided on the inside of the rear end belt template 2, it can be by belt template 2
Top is stretched backward, has the function that be tensioned belt template 2；Further, on falsework 1, positioned at the upper of tensioning home roll 33
Under be respectively arranged with a tensioning deputy roller 34, with cooperation tensioning home roll 33 strengthen tension effects.
For belt support roller 3 by supporting roller seat 4 to be fixed in two sides frame side 11, support roller seat 4 includes 41 He of the first seat board
First otic placode 42 with holes, first otic placode 42 with holes is vertically fixed on the front side of the first seat board 41, for fixing support roller 3
Roll shaft, the first seat board 41 are fixed in frame side 11 by the first support cylinder 43.The frame side 11 includes preceding vertical beam 111 and erects afterwards
Beam 112, the inside of vertical beam 112 is fixed with auxiliary vertical beam 14 after frame side, and the cylinder body of the first support cylinder 43 is fixed on auxiliary
On 14 leading flank of vertical beam, the trailing flank of piston rod and the first seat board 41 is fixed.
Support roller seat 4 further includes the first guiding axis 44 for being vertically connected on 41 rear side of the first seat board, and the first guiding axis 44 is inserted
In the first guideway 45 before being fixed on frame side on vertical beam 111.
The junction of vertical beam 111 and the first guideway 45 is equipped with before the frame side penetrates through with 45 inner hole of the first guideway
First through hole 111a, the first guiding axis 44 may pass through first through hole 111a and enters before frame side vertical beam 112 after vertical beam 111 and frame side
Between.So that falsework 1 has more compactedness, it is unlikely to because the first guiding axis 44 needs to reach corresponding stroke, so that
Support roller 3 is too forward, and reduces the stability of template component entirety.
It is tensioned the home roll seat 5 of home roll 33 and supports as roller seat 4, include the second seat board 51, the second otic placode 52 with holes, the
Two support cylinders 53 and the second guiding axis 54 specifically act on and identical in support roller seat.But specific mounting means is
The home roll seat 5 of difference, tensioning home roll 33 is mounted on the middle part of two sides frame side 11, the front side welding of vertical beam 111 before the frame side
There is the L shape seat board 56 of the second support cylinder 53 for fixing home roll seat 5.The L shape seat board 56 includes fixed plate 56a and connection
Plate 56b, fixed plate 56a are directly vertically welded in the leading flank of vertical beam 111 before frame side, and connecting plate 56b is parallel to vertical beam before frame side
111 leading flank simultaneously extends between two frame side 11, so that inside of its free end beyond vertical beam 111 before connected frame side
Face.
Further, the second seat board 51 of the home roll seat 5 is located at after frame side except the trailing flank of vertical beam 112, and second
Otic placode 52 with holes is fixed on the trailing flank of the second seat board 51, and the auxiliary vertical beam 14 is equipped with disconnected in the position of face tensioning home roll 33
Every auxiliary vertical beam 14 is all divided into two sections by mouth 141, and for the second support cylinder 53 by the fracture 141, cylinder body is solid
It is scheduled on connecting plate 56b, piston rod is fixed on the leading flank of the second seat board 51.
Further, the position corresponding to the second guiding axis 54 of home roll seat 5, before the second guideway 55 is fixed on frame side
After vertical beam 111 and frame side between vertical beam 112, and the corresponding position before frame side after vertical beam 111 and frame side on vertical beam 112 is respectively provided with
There are the second through-hole 111b and third through-hole 112a with the perforation of 55 inner hole of the second guideway.Herein, the second guideway 55
The effect for reinforcing 11 intensity of frame side is also played simultaneously.
Corresponding to tensioning home roll 33, the tensioning deputy roller 34 is mounted on the disconnected of the auxiliary vertical beam 14 by deputy roller seat 341
The front side at 141 both ends of mouth.The deputy roller seat 341 only includes then third seat board 341a and third otic placode 341b with holes, without connecting again
Connect cylinder and guiding axis.
The upper connecting cross beam 12 has two, and is fixed with template hinged-support 15 at the middle part of two upper connecting cross beams 12,
Template hinged-support 15 and template support 6 are hinged, before falsework 1 is fixed on the revolution large arm of mould spray booth vehicle by template support 6
End.It is connected with pitching oil cylinder 7 between the middle part of the lower connecting cross beam 13 and the template support 6, is used for adjusting template bracket 1
Pitch angle.
The template support 6 includes base elbow 61, support connecting plate 62 and template attachment base 63, the support connecting plate
62 are fixed on the horizontal top of base elbow 61, and the revolution that template support 6 can be fixed on trolley by support connecting plate 62 is big
On arm front end.
The template attachment base 63 includes the template horizontal seat plate 63a and vertical seat board 63b of template, the template horizontal seat plate
63a is fixed on the vertical bottom end of the base elbow 61, and the vertical seat board 63b of template has two pieces, is separately fixed at template water
The two sides of flat seat plate 63a, and connect with template hinged-support 15 by shaft.
It is provided with cylinder body hinged-support 64 between the vertical seat board 63b of two pieces of templates in the bottom of template horizontal seat plate 63a,
To connect the cylinder body of pitching oil cylinder 7；Pitching oil cylinder 7 is arranged at 8 back of wet shot template, and in the template hinged-support 15
Piston rod hinged-support 16, to connect the piston rod of pitching oil cylinder 7.
Fig. 6 be mould spray booth vehicle specific structure, including trolley vehicle frame I, sliding rack II, sliding trolley III, large arm turntable IV,
Turn round large arm V, preceding arm mechanism VI and pumping mechanism VII.The preceding arm mechanism VI passes through the rotatable peace of forearm attachment base VI -1
Mounted in the front end of revolution large arm V, under the drive of revolution large arm V, pass through the effect of preceding arm mechanism VI, wet shot spray head (figure
In be not shown) can be mounted on by the mobile assembly mechanism (not shown) of spray head before arm mechanism VI top, belt template group
The front end of arm mechanism VI before part is mounted on by template support 6, so that wet shot spray head is positively retained at the top of belt template component
More than, such belt template component and wet shot spray head can be moved integrally or be rotated together with preceding arm mechanism VI at any time.And wet shot
Spray head can be vertically moved along preceding arm mechanism VI, can also be moved transverse shifting on assembly mechanism in spray head, can also individually be bowed
The adjustment of elevation angle degree, acceptable automatic rotary motion, to meet a variety of operational requirements during mould spray.
The tail end of the revolution large arm V is mounted on large arm turntable IV, and large arm turntable IV includes vertical rotary components, energy
Drive the front and back rotation in perpendicular of revolution large arm V；The large arm turntable IV further includes rotating horizontally component, can be driven
Large arm V is turned round to rotate horizontally.
The vertical rotary components of large arm turntable IV are gear rotary components, can drive revolution large arm V in perpendicular
Maximum rotation angle can be more than 240 degree.It is supported with the large arm of traditional engineering truck by hydraulic cylinder and rotary power is provided
It compares, traditional large arm can only achieve 60 degree or so in unilateral rotation angle, is unable to satisfy this mould spray booth vehicle at all and needs
The mould that each section in tunnel carries out full angle sprays demand.
It is longitudinally provided with sliding rack II along car body on the trolley vehicle frame I, sliding trolley III, institute are installed in sliding rack II
Large arm turntable IV is stated to be rotatably mounted on sliding trolley III；Sliding trolley III carries large arm turntable IV can be along sliding rack II
Longitudinal sliding motion.
The sliding trolley III in sliding rack II can the distance of straight skidding be greater than distance between adjacent two rows of steel arch-shelfs
2-3 times.Specifically, the length of sliding rack II can be equal to the width of three Pin steel arch-shelfs, namely be equal to adjacent four steel arch-shelfs
The distance between two steel arch-shelfs in outside (for engineering reality, the distance between adjacent two steel arch-shelfs are generally 1 meter,
Then the length of sliding rack II is just 3 meters), it can guarantee that moving distance of the sliding trolley III in sliding rack II is at least reachable in this way
To the distance between two steel arch-shelfs in outside of adjacent three steel arch-shelfs.The width of this main belt template 2 can only be covered laterally
Adjacent two steel arch-shelfs can meet continuous three Pin wet shot template in this way in conventional constructing tunnel in the case where not moving vehicle
Mould spray work, avoid and frequently move vehicle, influence construction progress.And it is directed to wider wet shot template, as applicant invents
Three Pin wet shot templates can cover adjacent continuous four rows steel arch-shelf and be formed by three transverse mode controls, such design is just not
It is very necessary.Certainly, the length of sliding rack II does not limit the width equal to three Pin steel arch-shelfs, theoretically can be with trolley vehicle frame
I length is processed longer, is realized that single moves vehicle, can be sprayed the purpose for pouring broader tunnel face.The mould spray booth vehicle further includes
Pumping mechanism VI, can be from trend wet shot spray head delivering concrete wet shot material.
The workflow of above-mentioned belt template component are as follows: during construction, adjust revolution large arm and falsework
Deng making belt template proximate to the bottom of two adjacent steel arch-shelfs, so that being formed between belt template and two steel arch-shelfs
The die cavity of height about one meter (upper-lower height of belt template) left and right, adjusts the angle of spray head, starts mixed to injection inside die cavity
Solidifying soil, during injection, concrete is cumulative, and after concrete initial set, revolution large arm drives falsework to start edge
Steel arch-shelf move up, while preceding arm mechanism is mobile, drive motor is rotated in the forward direction, and drives the front end of belt template from upper
It rotates down, and keeps the rotation speed of belt template consistent with the movement speed of falsework, so that belt template is equivalent to
A piece traveling crawler moves from the bottom up on steel arch-shelf；While mobile, constantly continuous adjustment stretching by revolution large arm
Contracting end, and the adjustment of pitching oil cylinder is combined, it is tightly attached on two steel arch-shelfs so that the transverse ends of belt template remain, this
Sample just constantly forms new die cavity, while the continuous gunite concrete of spray head, continuously carries out mould and sprays supporting, when reaching tunnel
Road profile head, complete this section of tunnel unilateral spray pour after, when last initial set, by revolution large arm recycle falsework with
Belt template is realized without rebound, non-dusting continuous preliminary bracing.
The method for carrying out the spray of Tunnel mould using above-mentioned belt template component, specific as follows:
S1: mould spray booth garage enters the tunnel construction sections to be painted poured, starts trolley, expansion revolution large arm, and revolution large arm takes mould
Board mount and belt template excavation face wherein side close to the bottom of two adjacent steel arch-shelfs.
S2: falsework is close to two steel arch-shelfs from bottom with belt template, and forms mould to be poured with steel arch-shelf
Chamber.
S3: adjustment nozzle position and angle opens spray head and Open Side Down at the top of transverse mode control sprays into rapid hardening coagulation
Soil completes pouring for first section concrete.
S4: after section concrete initial set at the beginning of mold cavity bottoms, in the effect of revolution large arm, falsework is slow with belt template
Slow moves from the bottom up along steel arch-shelf, in moving process, remains the front end face of belt template while being close to two steel
Arch, continuously to form new die cavity, spray head is lasting to spray into fast hardening concrete into the die cavity newly formed, is continued until
Vault is poured with completing the preliminary bracing of this section unilateral excavation face.
S5, after top concrete solidification, revolution large arm withdraws falsework and belt template, and with falsework and
Belt template rotates horizontally, so that the other side that falsework is secondary with section towards tunnel, and step S1-S4 is repeated, complete this section
The preliminary bracing of the tunnel other side pours.
In step s 4, in falsework moving process, remain that drive motor rotates in the forward direction, so that belt template
Front end be able to maintain and rotate from top to bottom.
In step s 4, in falsework moving process, the rotation speed of belt template and the mobile speed of falsework
It spends equal.
In step s 4, in falsework moving process, revolution large arm is constantly slowly stretched out forward, and pitching oil cylinder
Piston rod constantly recycle, with the adjustment falsework of adaptability and turn round the pitch angle between large arm, and make belt mould
Plate can agree with the radian of steel arch-shelf to greatest extent.
In step S3 and S4, shore effect of the shuttering supporting roller to belt template front end is remained, and supporting
Under the action of cylinder, the traveling that can effectively buffer falsework caused by the out-of-flatness because of steel arch-shelf rises and falls, and is conducive to protect
It holds belt template to be held against with steel arch-shelf always, the concrete for avoiding penetrating is revealed from two sides.
In step S3 and S4, under the action of being tensioned home roll and tensioning deputy roller, it can be rushed with effective compensation because supporting cylinder
It is flexible caused by belt template tightness variation so that belt template overall process can be maintained at certain tensioning model
In enclosing.
In step s 4, in belt template rotary course, shuttering supporting roller is kept to roll in belt template leading inside, and
Strong shore is formed to belt template.
Further include step S6, is taken with the preliminary bracing concrete layer poured at left and right sides of section time tunnel in tunnel top
Connect, and after lap-joint tamps with template support, strike off, complete the supporting of described section time of tunnel contour；When one Pin steel of completion
Arch (adjacent two steel arch-shelfs and between region be a Pin) between arc area mould spray pour after, can will carry
The sliding trolley for turning round large arm moves forward 2 times along the sliding rack on trolley, each moving distance and two neighboring steel arch
Width is equal between frame, and every movement once repeats step S1-S5.
After the mould spray once moved vehicle when passing through, and complete continuous three Pin steel arch-shelf region pours, trolley is moved forward
The distance of one sliding rack length (or three Pin steel arch-shelf width), and step S1-S6 is repeated, the mould until completing whole tunnel
Spray preliminary bracing.
In practice, the length of mould spray booth vehicle sliding rack is generally configured to the width of three Pin steel arch-shelfs namely four continuous
The distance of two steel arch-shelfs in outside of steel arch-shelf, and can satisfy by the movement of sliding trolley with realizing that trolley once moves vehicle
The mould spray of continuous three Pin steel arch-shelf pours, and reduces and moves train number number, improves mould spray efficiency.Theoretically sliding rack can be designed more
It is long, but the limitation of trolley length and tunnel camber can be limited by, it can not be made to too long, can be brought more to subsequent operation
High requirement and possible trouble.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. Tunnel mould spray belt template component, it is characterised in that: including endless-belt template flexible, template branch
Frame, the front side of the falsework laterally side by side several belt support rollers are installed, belt template is set in belt support roller
On, front end belt template can be close to two or more adjacent steel arch-shelfs so that between belt template, scar and steel arch-shelf formed to
The die cavity poured.
2. Tunnel mould spray belt template component according to claim 1, it is characterised in that: in falsework
On, top and bottom end on the inside of the belt template are respectively arranged with upper deflecting roller and lower deflecting roller；Upper and lower deflecting roller
Diameter is greater than the belt and supports roller diameter.
3. Tunnel mould spray belt template component according to claim 2, it is characterised in that: the upper deflecting
It is connected with drive motor on the roll shaft of roller or lower deflecting roller, the deflecting roller with drive motor can drive belt template to rotate.
4. Tunnel mould spray belt template component according to claim 2, it is characterised in that: in falsework
On, it is provided with tensioning home roll on the inside of the rear end belt template, belt template can be pushed up backward and be stretched, reached to belt template
The effect of tensioning.
5. Tunnel mould spray belt template component according to claim 4, it is characterised in that: in falsework
On, it is respectively arranged with a tensioning deputy roller positioned at tensioning the upper and lower of home roll, tension effects are strengthened with cooperation tensioning home roll.
6. Tunnel mould spray belt template component according to claim 4, it is characterised in that: the template branch
Frame includes the rectangle frame side positioned at two sides, and the rear end of described two frame side is provided with upper connecting cross beam and lower connecting cross beam.
7. Tunnel mould spray belt template component according to claim 4, it is characterised in that: belt support roller
By supporting roller seat to be fixed in the frame side of two sides, support roller seat includes seat board and otic placode with holes, and the otic placode with holes is vertically fixed
In the front side of seat board, for fixing the roll shaft of support roller, seat board is by supporting cylinder to be fixed in frame side.
8. Tunnel mould spray belt template component according to claim 7, it is characterised in that: the frame side packet
Preceding vertical beam and rear vertical beam are included, is fixed with auxiliary vertical beam after frame side on the inside of vertical beam, the cylinder body of the support cylinder is fixed on auxiliary
On vertical beam, the rear side of piston rod and seat board is fixed.
9. Tunnel mould spray belt template component according to claim 8, it is characterised in that: support roller seat is also
Including the guiding axis being vertically connected on rear side of seat board, guiding axis is inserted in be fixed on frame side before in guideway on vertical beam.
10. Tunnel mould spray belt template component according to claim 8, it is characterised in that: the frame side
The junction of preceding vertical beam and guideway is equipped with the through-hole penetrated through with guideway inner hole, and guiding axis may pass through through-hole and enter frame side
After preceding vertical beam and frame side between vertical beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811420637.0A CN109372553B (en) | 2018-11-26 | 2018-11-26 | Belt template assembly for primary support mould spraying of tunnel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811420637.0A CN109372553B (en) | 2018-11-26 | 2018-11-26 | Belt template assembly for primary support mould spraying of tunnel |
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| CN109372553A true CN109372553A (en) | 2019-02-22 |
| CN109372553B CN109372553B (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811420637.0A Active CN109372553B (en) | 2018-11-26 | 2018-11-26 | Belt template assembly for primary support mould spraying of tunnel |
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| CN (1) | CN109372553B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111520165A (en) * | 2020-05-09 | 2020-08-11 | 广东水电二局股份有限公司 | Tunnel construction is with spraying concrete device with reduce rebound rate |
| CN112855222A (en) * | 2021-04-02 | 2021-05-28 | 中国铁建重工集团股份有限公司 | A mould spouts device for concrete sprays |
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| CN112855222A (en) * | 2021-04-02 | 2021-05-28 | 中国铁建重工集团股份有限公司 | A mould spouts device for concrete sprays |
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|---|---|
| CN109372553B (en) | 2024-03-08 |
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Effective date of registration: 20220225 Address after: No. 669, south section of Rongtai Avenue, Chengdu cross strait science and Technology Industrial Development Park, Wenjiang District, Chengdu, Sichuan 610000 Applicant after: SICHUAN BLUE OCEAN INTELLIGENT EQUIPMENT MANUFACTURING CO.,LTD. Address before: 643100 No. 2, floor 7, No. 92-3, North Street, Xuyang Town, Rong County, Zigong City, Sichuan Province Applicant before: Lan Chuanwen |
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