Concrete mould spraying side form mechanism
Technical field
The utility model belongs to Construction Technology field, in particular to a kind of concrete mould spraying side form mechanism.
Background technique
In existing Tunnel Engineering machinery, concrete sprayer is a kind of relatively conventional construction machinery.Concrete spray
The working principle for penetrating machine is that preparatory mixed concrete mixture is pipelined to the spray of spraying machine using compressed air
Mouth goes out, and forms material beam after adding accelerator and is ejected at a high speed by spray plane, accelerator makes coagulation under the action of compressed air
Native condensation hardening rapidly, to form concrete supporting.Concrete-spraying technology is led with its simple technique in various engineerings
It is widely used in domain.
In order to guarantee that concrete supporting can satisfy intensity requirement within a certain period of time, need to fill in concrete big
The concrete accelerator of amount, and the concrete springback rate sprayed is high, causes unnecessary waste, its surface after supporting molding
Bright and clean degree is poor also to be needed to do Shape correction to its surface, extends construction period.
In the injection of Tunnel or the practice process of pouring molding, it is found by the applicant that by using template mechanism
The rebound degree of concrete can be effectively reduced and reduce the use of concrete accelerator, also found simultaneously, because what initial stage excavated
Tunnel excavation face can inevitably there is a situation where can different journeys between the supporting surface of uneven, to be set up steel arch-shelf and excavation face
Degree there is gaps, and can also have gap between template and the contact surface of steel arch-shelf, so that carrying out using template mechanism
During mould spray, the concrete of penetrating can be leaked from gap, at the same when concrete is injected into the die cavity of supporting mold due to
The gravity of concrete itself and the impact force of concrete ejection, cause or even what exacerbation concrete was leaked from supporting die cavity asks
Topic.
Utility model content
The purpose of this utility model is that: in view of the above-mentioned problems of the prior art, providing a kind of concrete mould spraying
With side form mechanism, construction efficiency is poured in the spray for effectively increasing Tunnel, avoids institute between template mechanism and steel arch-shelf
The die cavity of formation pours the appearance of process material leakage in spray, can also be independent of steel arch-shelf, so that side form mechanism, template mechanism and scar
Directly form the sprayable die cavity poured.
The technical solution of the utility model is achieved in that
A kind of concrete mould spraying side form mechanism, including side form bracket and telescopic side template component, side form bracket are solid
It is scheduled on the edge of template, side template component is mounted on side form bracket, and can be stretched on the direction perpendicular to template, stretching
Side template component can be butted on the scar in tunnel, made scar, template, can be complemented each other to form die cavity between side template component.
Concrete mould spraying described in the utility model side form mechanism, the side template component is by several continuously arranged sides
Modular unit composition, each side form plate unit can carry out independent stretching motion.
Concrete mould spraying described in the utility model side form mechanism, the side form plate unit include interior stroke frame, side form
Cover and telescoping mechanism, side form cover are slidably set on interior stroke frame;The telescoping mechanism is set as oil cylinder, cylinder, gear mechanism
Structure or chain-drive mechanism, telescoping mechanism are used to control side form to cover on interior stroke frame and slide.
Concrete mould spraying described in the utility model side form mechanism, the telescoping mechanism is set as telescopic cylinder, described to stretch
The cylinder body of contracting cylinder is connected on interior stroke frame, and the piston rod of telescopic cylinder is connected on side form cover, and stretching by piston rod
Contracting control side form cover is slided relative to interior stroke frame.
Concrete mould spraying described in the utility model side form mechanism, the telescopic cylinder are set to the inside of interior stroke frame,
It is evenly spaced between the interior stroke frame and side form cover to be provided with several sliding blocks.
Concrete mould spraying described in the utility model side form mechanism, the sliding block are mounted on each outside of interior stroke frame
Each sliding block installation place in face, interior stroke frame is provided with sliding block mounting groove, and sliding block is bolted in sliding block mounting groove.
Concrete mould spraying described in the utility model side form mechanism, the interior stroke frame and side form cover are set as hollow square
Shape structure, and it is respectively arranged with longitudinal interior stroke frame opening and side form cover opening ipsilateral, it is provided in the interior stroke frame
The cylinder body of fixing seat, the telescopic cylinder is mounted in fixing seat;The fixing seat is in interior stroke frame opening side and side form branch
Frame connection.
Concrete mould spraying described in the utility model side form mechanism, the front-end and back-end of interior stroke frame are respectively arranged with solid
Reservation, and cylinder mounting holes are provided in front end fixing seat and rear end fixing seat, the cylinder body of telescopic cylinder is installed by cylinder
Hole is fixed in fixing seat.
Concrete mould spraying described in the utility model side form mechanism, the side form bracket include fixed beam and mounting rack,
Mounting rack includes vertical parallel installation front-axle beam and the installation back rest, is respectively used to installation front end fixing seat and rear end fixing seat;Institute
State fixed beam with and front-axle beam be installed flush, side form bracket is mounted on template edge by fixed beam.
The utility model has the following beneficial effects: cooperating tunnel initial-stage branch by the concrete mould spraying side form mechanism provided
The template mechanism of shield so that form die cavity between side template mechanism, template mechanism and scar, can not build steel arch-shelf when
It waits, directly progress mould spray operation;And even if cooperate steel arch-shelf formed die cavity carry out pouring construction when, can also be to avoid template
Because there is the phenomenon that material leakage there are gap, further between mechanism and steel arch-shelf or between steel arch-shelf and scar
The dosage for pouring raw material is reduced, construction efficiency is improved, and improves preliminary bracing and sprays the construction quality poured.
Detailed description of the invention
Fig. 1 is the schematic diagram one of Combined formwork mechanism;
Fig. 2 is the schematic diagram two of Combined formwork mechanism;
Fig. 3 is the schematic diagram three of Combined formwork mechanism;
Fig. 4 is the schematic diagram four of Combined formwork mechanism;
Fig. 5 is the schematic diagram of master module;
Fig. 6 is the schematic diagram of secondary template;
Fig. 7 is the schematic diagram of template support;
Fig. 8 is the schematic diagram one of side form board assembly unit;
Fig. 9 is the schematic diagram two of side form board assembly unit;
Figure 10 is the partial enlarged view of Fig. 9;
Figure 11 is the interior stroke frame schematic diagram one of side form board assembly unit;
Figure 12 is the interior stroke frame schematic diagram two of side form board assembly unit;
Figure 13 is the schematic diagram of side form bracket.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model technology.It should be appreciated that specific embodiment described herein is only used to
It explains the utility model, is not used to limit the utility model.
Embodiment 1
As shown, concrete mould spraying side form mechanism 3, including side form bracket 32 and telescopic side template component, side
Mould holder 32 is fixed on the edge of template, and side template component is mounted on side form bracket 32, and can be in the direction perpendicular to template
Upper flexible, the side template component of stretching can be butted on the scar in tunnel, make scar, template, can phase interworking between side template component
Conjunction forms die cavity.
The side template component is made of several continuously arranged side form plate units 31, each side form plate unit 31
Carry out independent stretching motion.The side form plate unit 31 includes interior stroke frame 311, side form cover 312 and telescoping mechanism, side form
Cover 312 is slidably set on interior stroke frame 311;The telescoping mechanism is set as oil cylinder, cylinder, gear mechanism or chain conveyer machine
Structure, telescoping mechanism slide on interior stroke frame for controlling side form cover 312.Further, the telescoping mechanism is set as flexible gas
Cylinder 313, the cylinder body of the telescopic cylinder 313 are connected on interior stroke frame 311, and the piston rod of telescopic cylinder 313 is connected to side form
On cover 312, and slided by the extension and contraction control side form cover 312 of piston rod relative to interior stroke frame 311.
The telescopic cylinder 313 is set to the inside of interior stroke frame 311, between the interior stroke frame 311 and side form cover 312
It is evenly spaced to be provided with several sliding blocks 314.
The sliding block 314 is mounted on each lateral surface of interior stroke frame 311, the peace of each sliding block 314 of interior stroke frame 311
Sliding block mounting groove 314a is provided at dress, sliding block 314 is bolted in sliding block mounting groove 314a.The sliding block 314
It being made by polyfluortetraethylene plate, the sliding block 314 of polyfluortetraethylene plate manufacture has high-intensitive, the low feature of coefficient of friction, so that
Slide happier between side form cover 313 and interior stroke frame 311, avoid the direct contact between metal, cause frictional resistance compared with
Big problem.Meanwhile the sliding block group being made of sliding block 314, so that it is smaller with the contact area of 313 inner surface of side form cover, into one
Step reduces frictional resistance.
The interior stroke frame 311 and side form cover 312 are set as hollow rectangle structure, and it is ipsilateral be respectively arranged with it is longitudinal
Interior stroke frame is open and side form cover opening, is provided with fixing seat 315, the cylinder body of the telescopic cylinder 313 in the interior stroke frame
It is mounted in fixing seat 315;The fixing seat 315 is connect in interior stroke frame 311 opening side with side form bracket 32.
Further, the front-end and back-end of interior stroke frame 311 are respectively arranged with fixing seat 315, and in front end fixing seat and
Cylinder mounting holes 315b is provided in the fixing seat of rear end, the cylinder body of telescopic cylinder 313 is fixed on by cylinder mounting holes 315b
In reservation 315.Specifically, being provided with several evenly spaced gas around the cylinder through-hole 315b of front end fixing seat 315
Cylinder connecting screw hole 315c, the front end of 313 cylinder body of side form cylinder are provided with cylinder connecting base plate 313a, and by bolt by its with
Front end fixing seat 315 is fixed.The bottom end of fixing seat 315 is "convex" shaped structure, and is fixed on the inner surface of interior stroke frame 311,
The interior stroke frame opening of interior stroke frame 311 is stretched out on top, and is equipped with fixed transverse slat 315a, and interior stroke frame 311, which passes through, fixes transverse slat
315a is connect with side form bracket 32.
The inner cavity of interior stroke frame 311 is evenly spaced to be provided with several U-shaped stiffener plates 316, to enhance interior stroke frame 311
Integral strength, and it is it is set be calculated as U-shaped, primarily to facilitating the installation of side form cylinder 313.
The 312 inner wall front end of side form cover is provided with piston rod attachment base 312a, the piston rod part with telescopic cylinder 313
Connection.The front end of the side form cover 312 is closed, after stretching out the excavation face contact with tunnel to avoid side form cover 312, soil and
The subsequent concrete poured that sprays enters side form cover 312, influences the normal operation of side form plate unit 31.It is further preferred that institute
Stating side form cover 312 may include the dismountable side form outer cover 312b for being fixed on 312 outside of side form cover, specifically be fixedly connected
Mode is that the lateral surface of side form cover 312 can weld several evenly spaced attaching nut 312c, and side form outer cover 312b is pair
That answers is provided with screw hole, and then side form outer cover 312b is fixed on side form cover 312 by bolt;Side form outer cover 312b and side
Mould cover 312 has same shape, and the front end of side form cover 312 can not also be re-closed at this time, and only needs side form outer cover
It closes the front end of 312b.The effect of side form outer cover 312b is, can be formed and is effectively protected to side form cover 312, reduced
Direct abrasion to side form cover 312 improves the service life of side form cover 312, and side form outer cover 312b is also convenient for changing, with drop
Low use cost.
The side form bracket 32 includes fixed beam 322 and mounting rack 321, before mounting rack 321 is including vertical parallel installation
Beam 321a and installation back rest 321b, is respectively used to installation front end fixing seat and rear end fixing seat;Before the fixed beam 322 and installation
Beam 321a is flushed, and side form bracket 32 is mounted on template edge by fixed beam 322.
Several connecting plate 321c are provided on the installation back rest 321b, each rear end fixing seat is bolted
315 fixation transverse slat 315a.
Embodiment 2
Disclose the example side form mechanism 3 in embodiment 1 being applied in Combined formwork mechanism.
Concrete mould spraying Combined formwork mechanism, the template mechanism include master module 1, secondary template 2, side form mechanism 3,
Template support 4, pitching oil cylinder 5, lateral oil cylinder 6 and free bearing 7.The unilateral or bilateral of master module 1 is folding to be connected with secondary template
2, template mechanism can integrally cover adjacent two or more the steel arch-shelfs that tunnel piercing face frame is set at arbitrary height;Master module 1
It is connect between secondary template 2 by free bearing 7;The piston rod pair template 2 of lateral oil cylinder 6 is connected by hinged-support 21, master module 1
Two sides back is respectively arranged with the side cylinder free bearing plate 13 for vertically protruding from master module 1, and the cylinder body of lateral oil cylinder 6 passes through hinged-support
14 connect with side cylinder free bearing plate 13, in this way by controlling the flexible i.e. controllable secondary template 2 of the piston rod of lateral oil cylinder 6 and main mould
Lateral angle between plate 1.
The width of master module is greater than the width of secondary template, and the width of master module is also greater than on the outside of adjacent two steel arch-shelfs
The distance between face so that the template mechanism of three Pin formulas can adapt to the fluctuating between Yu Duogen steel arch-shelf, and subtracts as far as possible
The probability that gap occurs between small template mechanism and steel arch-shelf.
The template mechanism of the present embodiment includes one piece of master module 1 and positioned at two pieces of master module two sides secondary templates 2 altogether,
Overall width can cover adjacent continuous four steel arch-shelfs so that formed between template mechanism and four steel arch-shelfs three to
The die cavity poured, for such template mechanism when tunnel excavation face is moved from the bottom up, every movement once can be simultaneously to transverse direction
Continuous three die cavitys carry out injection and pour, and the construction efficiency that spray is poured undoubtedly greatly improved.And why can be by template mechanism
It is designed to knockdown structure, the steel arch-shelf that the tunnel after excavating is laid is primarily due to, per adjacent two or more steel
Arch and non-critical place is in the same plane, if covering more steel arch-shelfs only with the master module of monolithic large span (such as
More than three) when, the die cavity of closure cannot be formed between master module and steel arch-shelf to greatest extent, is caused in part joint place
Gap is formed, and then pours process in spray, concrete can leak out.And combined template mechanism structure is used, master module 1 and pair
Angle adjustment can be carried out between template 2 in a certain range, master module 1 can carry out complete with two steel arch-shelfs at center
Fitting can also allow steel arch-shelf to greatest extent while by adjusting the angle between the secondary template 2 and master module 1 of two sides
With the secondary template in outside formed it is good be bonded, reduce gap appearance probability, reduce the ullage of concrete, improve
Spray the construction quality poured.
The master module 1 and the outer surface of secondary template 2 are cambered surface, radian it is as identical as the radian of steel arch-shelf as possible or
It is close, and 1 back of master module is staggered is disposed with cross reinforcing plate 15 and longitudinally reinforced gusset 16;The back of secondary template 2
It is equally staggered to be disposed with cross reinforcing plate 22 and longitudinally reinforced gusset 23, to enhance the entirety of master module 1 and secondary template 2
Intensity.
The back of the master module 1 is hinged with template support 4, and can be big by template support 4 and the revolution of mould spray booth vehicle
Arm connection.Be additionally provided with pitching oil cylinder 5 on the master module 1, the both ends of the pitching oil cylinder 5 respectively with template support 4 and main
The back of template 1 is hinged, the pitch angle for adjusting template mechanism entirety.
Specifically, the back of the master module 1 is provided with template hinged-support 11, pass through template hinged-support 11 and template branch
Seat 4 connects, and can be connected and fixed by template support 4 and the revolution large arm.The template support 4 includes base elbow 41,
Support connecting plate 42 and template attachment base 43, the support connecting plate 42 are fixed on the horizontal top of base elbow 41, in order to
Turn round large arm connection.Template attachment base 43 includes the template horizontal seat plate 43a and vertical seat board 43b of template, the template horizontal base
Plate 43a is fixed on the vertical bottom end of the base elbow 41, and the vertical seat board 43b of template is fixed on template horizontal seat plate 43a
Two sides, and connect with template hinged-support 11 by shaft.It is located at two pieces of vertical seats of template in the bottom of template horizontal seat plate 43a
Cylinder body hinged-support 44 is provided between plate 43b, to connect the cylinder body of pitching oil cylinder 5;At the back of master module 1, and in the mould
The piston rod hinged-support 12 for being arranged with pitching oil cylinder 5 of hinged plank support 11, to connect the piston rod of pitching oil cylinder 5.In this way, working as
Mould spray booth vehicle drives template mechanism when being moved to different height on steel arch-shelf by revolution large arm, can be bowed by control
The piston rod for facing upward oil cylinder 5 is flexible, reaches the pitch angle for adjusting integral mold plate mechanism freely so that template mechanism and steel arch-shelf it
Between fitting reach best state, to realize optimal mould spray effect.
Preferably, the seat board of the template hinged-support 11 is integrally formed with centrally located two pieces longitudinally reinforced gussets;On
The seat board side for all hinged-supports stated is provided with seat board stiffener plate;The master module 1 and the outer surface of secondary template 2 are set
It is equipped with one layer of wear-resistant plastic layer, is formed and is effectively protected with the surface to template mechanism, and when table is not achieved in wear-resistant plastic layer
When the quality requirement of face, can very easily it replace.
It is provided in embodiment 1 and remembers in the two sides (namely side portion of the secondary template on both sides) of the Combined formwork mechanism
The side form mechanism 3 of load, side form mechanism 3 include the side template of extension type, and the side template of stretching can be close on the outside of steel arch-shelf, simultaneously
Its front end can be attached in the excavation face in tunnel.
Generally speaking, after the two sides edge of template mechanism symmetrically installs side form mechanism 3, it is necessary to assure the side form of both ends
The working face (vertical plane of non-opening) of the side form outer cover 312b of plate unit 31 relatively, specifically, outside ipsilateral all side forms
The working face that cover 312b is straight constitutes a knockdown side template component, when integrally stretching out, can be close to steel
The outside of arch, while tunnel excavation face can also be close to, can effectively make up steel arch-shelf and out-of-flatness tunnel excavation face it
Between gap.In use, the path increment that ipsilateral each side form board assembly unit is stretched out, mainly according to its front end excavation face
Depending on out-of-flatness situation, not " advance side by side ", such fabricated structure so as to die cavity remedy closing it is more densely cross-linked,
It avoids using monolith side template component, it is poor because adapting to modulability, can equally there be the drawbacks of gap.In addition, side template component
After unit 31 is installed on side form bracket 32, the top and bottom of ipsilateral two neighboring side form outer cover 312a can keep weak
It contacts or there are very little fine crack, not influence sliding independent, while also can effectively avoid because gap is larger, cause to mix
Solidifying soil is leaked from wherein a large amount of.
It can also be list Pin form in addition to three Pin forms in the present embodiment for the template mechanism in actual use, one
As the die cavity of single width is formed for the adjacent steel arch-shelf with two;Or double Pin forms, i.e. one piece of master module connect one piece
Secondary template is generally used for forming the continuous die cavity of two width, certainly under such thinking, template machine with three adjacent steel arch-shelfs
Structure can also can flexibly select to use using the structure type more than three Pin, but accordingly in the manufacture of template mechanism
And the meeting for being correspondingly improved, therefore being also difficult to avoid that will be made when using operation in face of some emerging problems.And
Three Pin template mechanisms either in list Pin, two Pin or the present embodiment, two sides can be reached by installation side form mechanism
Leakage problem of the control in concrete in die cavity in operation is poured to spray.Only the two sides mold mechanism of list Pin template mechanism is pacified simultaneously
Mounted in two end sides of master module, the two sides die combination of double Pin template mechanisms is separately mounted to the free end of master module and secondary template
Side, and to three Pin template mechanisms in this present embodiment, then the free end for being installed in two secondary templates is surveyed.
Embodiment 3
On the basis of embodiment 2, the template component and side form mechanism 3 when in use, do not depend on the present embodiment completely
Steel arch-shelf must be built in tunnel, namely when not setting up steel arch-shelf, it is straight by side form mechanism 3, template mechanism and scar
It connects to form die cavity, be poured for directly spraying.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.