CN213773458U - Large-section multi-cabin cast-in-place comprehensive pipe gallery side wall formwork construction system - Google Patents
Large-section multi-cabin cast-in-place comprehensive pipe gallery side wall formwork construction system Download PDFInfo
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- CN213773458U CN213773458U CN202022867036.3U CN202022867036U CN213773458U CN 213773458 U CN213773458 U CN 213773458U CN 202022867036 U CN202022867036 U CN 202022867036U CN 213773458 U CN213773458 U CN 213773458U
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Abstract
The utility model provides a large-section multi-cabin cast-in-place comprehensive pipe gallery side wall formwork construction system, which is characterized in that a movable side wall reinforcement jig frame, an integral trolley system, a unit type easily-detachable support frame and a formwork verticality monitoring system are arranged; the movable side wall steel bar binding jig frame is arranged on the bottom plate of the pipe gallery, the movable double-side steel bar binding jig frame is arranged between the side walls of the adjacent pipe gallery, and the movable single-side steel bar binding jig frame is additionally arranged on the rest side walls; installing an integral trolley system after the binding of the steel bars of the side wall of the pipe gallery is finished, wherein the integral trolley system is adjusted to run through trolley slide rails arranged on a bottom plate of the pipe gallery, and a template verticality monitoring system is arranged on the outer wall of a side mold of the trolley; the auxiliary unit type easy-to-dismount support frame is arranged between the steel molds of the side wall of the pipe gallery. The large-section multi-cabin cast-in-place comprehensive pipe gallery side wall template system has the advantages of simple manufacture of main components, low cost, high precision, high efficiency and high benefit in installation, and has remarkable technical benefit.
Description
Technical Field
The utility model relates to a ground and foundation engineering technical field, concretely relates to cast-in-place utility tunnel side wall template construction system in big section multicavity.
Background
The utility tunnel centralizes various pipelines in municipal infrastructure, such as electric power, communication, water supply, gas, heat supply and the like, and carries out unified laying, management and maintenance. The urban traffic monitoring system not only solves the urban traffic problem, but also greatly promotes the maintenance and operation of municipal services, and has the function of preventing natural disasters.
At present, according to the analysis of engineering examples at home and abroad, under a non-special environment, the comprehensive pipe gallery body structure is mainly divided into a cast-in-place method and a prefabricating method according to a construction method. The major structure of the prefabricated pipe gallery is completed in a prefabrication factory, compared with outdoor cast-in-place operation, the size precision of the components is high, the quality of finished products is guaranteed to the maximum extent, but only a part of domestic single-cabin prefabricated pipe galleries are built, a double-cabin prefabricated pipe gallery does not have a mature construction case, and especially large-section multi-cabin comprehensive pipe galleries are all cast-in-place constructed. The cast-in-place construction of the large-section multi-cabin comprehensive pipe gallery still has a large improvement space, and the construction method comprises the aspects of formwork erection, rapid reinforcement binding and the like of the pipe gallery.
In view of the above, there is a need for a large-section multi-cabin cast-in-place comprehensive pipe gallery side wall formwork construction system which is high in construction speed, good in stability, high in formwork supporting precision and outstanding in economic and technical benefits.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cast-in-place utility tunnel side wall template construction system in big section many cabins, it is slow to aim at solving the cast-in-place construction speed in current big section many cabins, poor stability and the low technical problem of formwork precision.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the large-section multi-cabin cast-in-place comprehensive pipe gallery side wall formwork construction system comprises a movable reinforced wall binding jig frame, a formwork trolley system, a formwork perpendicularity monitoring system and a unit type easily-detachable support frame;
the movable steel bar wall binding jig is erected on the bottom plate of the pipe gallery and moves to the side edge of the side wall connecting base to position and bind steel bars in the side wall;
the template trolley system comprises a trolley main beam, a middle connecting beam, a walking driving system, a trolley side mold and an adjusting support rod; the trolley main beam, the middle connecting beam and the walking driving system are sequentially connected from top to bottom so as to move back and forth on a trolley sliding rail on the pipe gallery bottom plate; the upper end of the trolley side die is connected with the trolley main beam in a positioning mode, and the lower end of the trolley side die is abutted against the side edge of the side wall connecting base; one end of the adjusting support rod is connected with the middle connecting beam, and the other end of the adjusting support rod is connected with the trolley side die and used for realizing the positioning adjustment of the trolley side die;
the template verticality monitoring system comprises a verticality measuring instrument and a receiving plate; the verticality measuring instrument and the receiving plate are arranged in the height direction of the outer side of the trolley side die at a relative interval;
the unit type easily-detachable support frame comprises an inner support frame and a top supporting and pulling frame; the inner bracing frame is arranged between the outer molds of the side walls of the adjacent pipe galleries; the top props the top of drawing the frame and establishing at pipe gallery side wall self both sides steel centre form.
As a further improvement of the invention, the movable reinforced wall binding jig comprises a jig base, jig upright rods, transverse steel sleeves and jig travelling wheels; the jig frame upright rods are longitudinally arranged on the jig frame base at equal intervals; the transverse steel sleeves are sequentially arrayed on the jig frame upright rods; the jig frame walking wheels are arranged below the jig frame base.
As a further improvement of the invention, the trolley side die is positioned on the trolley main beam through a slide rod.
As a further improvement of the invention, the unit type easy-to-disassemble bracket is also provided with an end telescopic section; the end telescopic sections are arranged at two ends of the inner support frame.
As a further improvement of the invention, the top bracing frame comprises oppositely arranged bracing rods; the supporting rods are respectively arranged on the outer side edges of the tops of the steel inner molds on the two sides of the side wall of the pipe gallery.
As a further improvement of the invention, the top bracing frame comprises a bracing rod, a telescopic rod and a cushion block; the supporting rod is of a C-shaped structure; two ends of the support rod are respectively connected with a telescopic rod; the outer end of the telescopic rod is also provided with a cushion block; the cushion blocks are pushed through the telescopic rods to clamp and limit the upper parts of the steel internal molds on two sides of the side wall of the gallery.
As a further improvement of the invention, the verticality measuring instrument is connected with the trolley side mold through a hinge shaft; the verticality signal receiving plate and the verticality measuring instrument are positioned on the same central line and are vertically connected with the trolley side mold, and a signal reflection groove is formed in the center of the verticality signal receiving plate.
Compared with the prior art, the beneficial effects of the utility model are that:
by adopting the movable side wall steel bar binding jig frame, the working efficiency and binding precision are greatly improved, meanwhile, the transfer speed of the working surface is high, the jig frame can be repeatedly utilized, and the movable side wall steel bar binding jig frame has the technical advantages of high precision, high efficiency and high benefit; the whole trolley system is safe, the formwork construction efficiency is greatly improved, the construction period is greatly shortened, the template verticality monitoring system is additionally arranged on the basis of the traditional trolley system, a higher-precision template verticality qualified detection system is provided, and the construction quality of the side wall of the multi-cabin cast-in-place comprehensive pipe rack is further improved; the pipe gallery side wall steel mould is assisted to be provided with the unit type easily-detachable support frame, is simple and convenient to assemble and disassemble, solves the potential safety hazard of the side wall template when sudden faults occur in the trolley system, greatly improves the construction safety of the pipe gallery, and has better economic and technical benefits.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a movable side wall reinforcement jig frame in the invention;
FIG. 2 is a schematic view of the mounting of the jig frame upright of the present invention;
FIG. 3 is a schematic view of the overall trolley system of the present invention;
FIG. 4 is a schematic diagram of the verticality detector when the side mold of the trolley is not inclined;
FIG. 5 is a schematic diagram of the verticality detector when the side mold of the trolley inclines;
FIG. 6 is a schematic view of a unit type easy-to-detach frame according to the present invention;
FIG. 7 is a schematic view of the top bracing frame installation of the present invention;
FIG. 8 is a flow chart of the present invention.
The reference numbers in the figures illustrate:
1. a movable reinforced wall binding jig frame; 11. a bed jig base; 12. a jig frame upright rod; 13. a transverse steel sleeve; 14. a jig frame traveling wheel; 15. a pin; 16. a vertical docking rod; 17. a pin plug jack; 2. a template trolley system; 21. a trolley main beam; 22. connecting the beams at the middle part; 23. a travel drive system; 24. a trolley side die; 25. adjusting the supporting rod; 26. a trolley slide rail; 27. a steel inner mold; 28. a slide rod; 3. a template perpendicularity monitoring system; 31. a perpendicularity measuring instrument; 32. receiving a plate; 321. a signal reflection slot; 33. a hinge shaft; 4. the unit type easy-to-dismount support frame; 41. an inner bracket; 42. a top bracing frame; 421. a stay bar; 422. a telescopic rod; 423. cushion blocks; 43. an end telescopic section; 5. a pipe gallery floor; 6. the side wall is connected with the base; 7. a side wall; 71. and (5) reinforcing steel bars.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The invention provides a large-section multi-cabin cast-in-place comprehensive pipe gallery side wall formwork construction system by combining accompanying drawings 1 to 8, and aims to solve the technical problems of low construction speed, poor stability and low formwork supporting precision of the existing large-section multi-cabin cast-in-place construction.
Specifically, the large-section multi-cabin cast-in-place comprehensive pipe gallery side wall formwork construction system comprises a movable reinforced wall binding jig frame 1, a formwork trolley system 2, a formwork perpendicularity monitoring system 3 and a unit type easily-detachable support frame 4;
the movable reinforced wall binding jig frame 1 is arranged on the pipe gallery bottom plate 5 and moves to the side edge of the side wall connecting base 6 to position and bind the reinforced bars 71 in the side wall 7;
the template trolley system 2 comprises a trolley main beam 21, a middle connecting beam 22, a walking driving system 23, a trolley side mold 24 and an adjusting support rod 25; the trolley main beam 21, the middle connecting beam 22 and the walking driving system 23 are sequentially connected from top to bottom so as to move back and forth on a trolley slide rail 26 on the pipe gallery bottom plate 5; the upper end of the trolley side die 24 is connected with the trolley main beam 21 in a positioning way, and the lower end of the trolley side die is abutted against the side edge of the side wall connecting base 6; one end of the adjusting support rod 25 is connected with the middle connecting beam 22, and the other end of the adjusting support rod is connected with the trolley side die 24, so that the positioning adjustment of the trolley side die 24 is realized;
the template verticality monitoring system 3 comprises a verticality measuring instrument 31 and a receiving plate 32; the verticality measuring instrument 31 and the receiving plate 32 are arranged in the height direction of the outer side of the trolley side die 24 at a relative interval;
the unit type easy-to-disassemble bracket 4 comprises an inner bracket 41 and a top bracing bracket 42; the inner support frame 41 is arranged between the outer molds of the side walls 7 of the adjacent pipe galleries; the top bracing frame 42 is arranged at the top of the steel inner die 27 at two sides of the pipe gallery side wall 7.
Further, the movable reinforced wall binding jig frame 1 comprises a jig frame base 11, a jig frame upright rod 12, a transverse steel sleeve 13 and jig frame travelling wheels 14; the jig frame upright rods 12 are longitudinally arranged on the jig frame base 11 at equal intervals; the transverse steel sleeves 13 are sequentially arranged on the jig frame upright rods 12 in an array manner; the jig frame walking wheels 14 are arranged below the jig frame base 11.
The movable reinforced wall binding jig 1 comprises a bilateral reinforced bar binding jig and a unilateral reinforced bar binding jig; through anchoring the pin bolt 15 with the vertical butt-joint rod 16 on the bed-jig base 11, and equidistant welding of the horizontal steel casing 13 on the wall of the same-side bed-jig vertical rod 12, and the movable type double-side steel bar binding bed-jig is provided with the bed-jig vertical rod 12 on both sides of the base, and the movable type single-side steel bar binding bed-jig is provided with the bed-jig vertical rod 12 on one side of the base.
Further, the trolley side die 24 is positioned on the trolley main beam 21 through a slide rod 28.
Further, the unit type easy-to-disassemble bracket 4 is also provided with an end telescopic section 43; the end telescopic sections 43 are arranged at two ends of the inner support frame 41, and the length of the end telescopic sections 43 can be adjusted to adapt to the space between the side wall 7 templates, so that the positioning adjustment of the steel inner mold 27 is realized.
Further, the top bracing frame 42 includes oppositely disposed bracing bars 421; and the support rods 421 are respectively arranged on the outer side edges of the tops of the steel inner molds 27 on the two sides of the pipe gallery side wall 7.
Further, the top bracing frame 42 comprises a bracing rod 421, a telescopic rod 422 and a cushion block 423; the stay bar 421 is a C-shaped structure; two ends of the support rod 421 are respectively connected with a telescopic rod 422; a cushion block 423 is further arranged at the outer end of the telescopic rod 422; the expansion link 422 pushes the cushion block 423 to realize the clamping and limiting of the upper parts of the steel inner molds 27 at the two sides of the side wall 7 of the corridor.
Preferably, the inner support frame 41 is arranged in the middle of the outer die of the side wall 7 of the adjacent pipe gallery.
Further, the perpendicularity measuring instrument 31 is connected with the trolley side die 24 through a hinge shaft 33; the verticality signal receiving plate 32 and the verticality measuring instrument 31 are positioned on the same central line and are vertically connected with the trolley side die 24, and a signal reflecting groove 321 is formed in the center of the verticality signal receiving plate 32.
The construction method of the side wall formwork of the large-section multi-cabin cast-in-place comprehensive pipe gallery comprises the following steps:
s1, excavation and protection of the foundation pit: after measurement and positioning, carrying out foundation pit excavation in a layered and segmented manner, and timely carrying out cushion layer construction after excavation reaches the pit bottom elevation and acceptance is qualified;
s2, construction of the pipe gallery floor: cleaning sundries on the cushion layer, drawing main reinforcement and distribution reinforcement arrangement lines on the cushion layer according to the spacing required by the design drawing, placing the main reinforcements on the cushion layer or the template according to the drawn arrangement lines, then placing the distribution reinforcements and reinforcement supports, pouring concrete after acceptance inspection, and maintaining according to the standard requirement;
s3, prefabricating a movable side wall steel bar binding jig: customizing the height of a jig frame upright rod 12 and the width of a bilateral type steel bar binding jig frame base 11 according to the cross section size of a multi-cabin cast-in-place comprehensive pipe gallery, preferentially inserting the longitudinal jig frame upright rods 12 into butt-joint rods of the jig frame base 11 in sequence during assembling, anchoring by using pin bolts 15, welding transverse steel sleeves 13 on one sides of the jig frame upright rods 12 at equal intervals according to the arrangement requirement of side wall 7 steel bars 71, and finally installing travelling wheels on the jig frame base 11 to complete the integral prefabrication of the jig frame;
s4, positioning the movable side wall steel bar binding jig: for the construction of the side wall 7 of the multi-cabin cast-in-place comprehensive pipe gallery, firstly, movable double-side steel bar binding jig frames are preferentially arranged from two sides to the middle, the rest of the independent side walls 7 adopt movable single-side steel bar binding jig frames with uniform specifications, and the position of each jig frame is locked after the initial positions of all the jig frames are adjusted by using a jig frame travelling wheel 14;
s5, binding steel bars of the side wall: the reinforcing steel bars 71 of the side wall 7 are constructed by utilizing a movable side wall reinforcing steel bar binding jig frame, the intersection points of all the reinforcing steel bars 71 are firmly tied, iron wires at adjacent binding points are buckled into a splayed shape during binding, and the thickness of a protective layer of the reinforcing steel bars 71 is strictly controlled;
s6, assembling a template trolley system: after the reinforcing steel bars 71 of the side walls 7 are bound, withdrawing all the moulding beds, and arranging a crane to assemble the template trolley system; during assembly, the middle connecting beam 22 and the trolley main beam 21 are erected firstly, then the trolley side molds 24 are installed in place through the hand hoist and are symmetrically arranged left and right, finally the connecting screws of all parts are reinforced, the side mold adjusting support rods 25 are installed, and the hydraulic pipelines are connected;
s7, the template trolley moves to the designated position: after the template trolley is assembled, trial operation is carried out, and after the template trolley is qualified, the template trolley moves to a specified construction initial position through a trolley slide rail 26;
s8, positioning and adjusting the inner template and the outer template: checking various parameters of the template trolley, installing a verticality measuring instrument 31 by using a hinge shaft 33 on the trolley side mould 24, judging whether the verticality of the trolley side mould 24 has deviation or not through a verticality signal receiving plate 32 of the trolley side mould 24, and adjusting in time if the verticality has deviation;
s9, installing a unit type easy-to-detach support frame: after the adjustment of the inner and outer templates is finished, local auxiliary fixation is carried out through the installation of the unit type easy-to-detach brackets 4, the inner brackets 41 are installed between the outer molds of the side walls 7 of the adjacent pipe corridors in an auxiliary mode, the top supporting and pulling frames 42 are installed at the tops of the templates on the two sides of the side walls 7 of the pipe corridors in an auxiliary mode, and the two types of unit type easy-to-detach brackets 4 can adapt to the distance between the templates of the side walls 7 by adjusting the length of the end telescopic sections 43;
s10, template acceptance: debugging a trolley, checking whether the size of each part meets the construction requirement, pasting a sponge strip at the connecting position of the guide wall of the side wall 7 before die assembly, and processing the abutted seams between the adjacent die plates by adopting a double-sided adhesive tape;
s11, casting concrete on the side wall of the pipe gallery: before concrete pouring, a layer of cement mortar is uniformly poured at the bottom, the concrete is filled into a mold and then vibrated in a layering mode, and maintenance operation is carried out after pouring is finished.
By adopting the movable side wall steel bar binding jig frame, the working efficiency and binding precision are greatly improved, meanwhile, the transfer speed of the working surface is high, the jig frame can be repeatedly utilized, and the movable side wall steel bar binding jig frame has the technical advantages of high precision, high efficiency and high benefit; the whole trolley system 11 is safe, the formwork construction efficiency is greatly improved, the construction period is greatly shortened, the template verticality monitoring system is additionally arranged on the basis of the traditional trolley system, a higher-precision template verticality qualified detection system is provided, and the construction quality of the side wall of the multi-cabin cast-in-place comprehensive pipe rack is further improved; the pipe gallery side wall steel mould is assisted to be provided with the unit type easy-to-detach support frame, is simple and convenient to mount and dismount, solves the potential safety hazard of the side wall template when sudden faults occur in the trolley system, and greatly improves the construction safety of the pipe gallery.
During specific construction, measuring and positioning before foundation pit excavation, leveling and setting out excavation width, carrying out foundation pit excavation according to the laying out block section layering, wherein the layering thickness is controlled within 3m, and soil nail and soil layer anchor rod construction is carried out in time after each layer of each section is excavated; and (5) excavating the foundation pit to the pit bottom elevation and checking the groove, and then timely constructing the cushion layer, wherein the thickness of the concrete cushion layer is not less than 60 mm. And covering and watering the poured mixed soil cushion layer for about 12 hours for maintenance.
Cleaning the cushion layer after maintenance, drawing main rib and distribution rib arrangement lines on the cushion layer according to the spacing required by the design drawing, and controlling the deviation of the arrangement lines within 10 mm; according to the drawn arrangement lines, the main ribs are placed on the cushion layer, and then the distribution ribs are placed; reinforcing steel bar supports or split heads are arranged between the gluten and the bottom ribs according to the designed interval and firmly bound with the plate ribs; and (5) performing concrete pouring construction on the bottom plate of the pipe gallery after the acceptance of the bottom plate steel bars, and performing maintenance operation according to the standard requirement.
Before the construction of the side wall of the multi-cabin cast-in-place comprehensive pipe gallery, determining the height of a jig frame upright rod 12 and the width of a jig frame base according to the cross section size of the pipe gallery, uniformly producing components in a prefabrication plant by the jig frame, transporting the components to a construction site for assembling, preferentially inserting the longitudinal jig frame upright rods 12 into butt-joint rods of the jig frame base in sequence during assembling, anchoring the components by using pin bolts 15, arranging transverse steel sleeves 13 on one sides of the jig frame upright rods 12 at equal intervals according to the requirement of the reinforcing steel bars 71 of the side wall 7, and finally installing travelling wheels on the jig frame base to complete the integral assembling of the jig frame; then preferentially laying movable double-side steel bar binding jig frames 1 from the two sides of the multi-cabin cast-in-place comprehensive pipe gallery to the middle, adopting movable single-side steel bar binding jig frames with uniform specifications for the remaining independent side walls, and locking the positions of the jig frames after adjusting the starting positions of all the jig frames by using jig frame travelling wheels 7.
The reinforcing bar 71 of side wall 7 utilizes movable side wall reinforcement bed-jig to be under construction, founds 2 ~ 4 vertical muscle earlier during reinforcement, then ties up two location horizontal muscle in lower part and neat chest department, and the intersection of all reinforcing bars all will be tied up firmly, and the iron wire of adjacent ligature point is buckled into the splayed during ligature to the strict control reinforcing bar protective layer thickness.
After the reinforcing steel bars 71 of the side wall 7 are bound, all the jig frames are removed, a crane is arranged for assembling the template trolley, and the template is lifted by the crane and stands by leaning against the side wall during assembling; then erecting a middle connecting beam 22 and an upper trolley main beam 21, installing trolley side molds 24 in place through 2 hand hoists in a bilateral symmetry manner, finally reinforcing connecting screws of all parts, installing side mold adjusting support rods 421 and connecting hydraulic pipelines; after the template trolley is assembled, trial operation is carried out, and after the template trolley is qualified, the template trolley moves to a specified construction initial position through the trolley slide rail 26.
Checking various parameters of the template trolley, installing a verticality measuring instrument 20 by using a hinge shaft 33 on the trolley side mould 24, judging whether the verticality of the trolley side mould 24 has deviation through a verticality signal receiving plate 32 of the trolley side mould 24, and adjusting in time if the verticality has deviation; after the adjustment of the inner and outer templates is completed, local auxiliary fixing is carried out through the installation unit type easily-detachable support frame, the inner support frame 41 is installed between the outer molds of the adjacent pipe gallery side walls in an auxiliary mode, the top supporting and pulling frames 42 are installed at the tops of the templates on the two sides of the pipe gallery side walls in an auxiliary mode, and the two types of unit type easily-detachable support frames can be matched with the distance between the templates of the side walls by adjusting the length of the end part telescopic sections 43.
Debugging a trolley, checking whether the sizes of all parts meet the construction requirements, pasting a sponge strip with the width of 5cm at the connecting position of the side wall guide wall before die assembly, and processing the abutted seams between the adjacent die plates by adopting a double-sided adhesive tape with the width of 2 cm.
After the construction is completed, the concrete pouring operation of the side wall of the pipe gallery is carried out. When pouring, firstly, uniformly pouring cement mortar with the thickness of 5cm and the same as that of the concrete of the wall body at the bottom, vibrating the concrete in layers after the concrete is poured into a mold, wherein the thickness of the layers is not more than 500mm, inserting a vibrator into the next layer of concrete and is not less than 100mm, covering and watering within 12h after the concrete pouring is finished, and ensuring the curing period of not less than 7 days and nights.
It should be noted that the detailed description of the present invention is not included in the prior art, or can be obtained directly from the market, and those skilled in the art can obtain the detailed description without creative efforts, and the detailed connection method has a very wide application in the field or daily life, and is not described in detail herein.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (8)
1. Cast-in-place utility tunnel side wall template construction system in many cabins of big section, its characterized in that: the device comprises a movable reinforced wall binding jig frame, a template trolley system, a template verticality monitoring system and a unit type easily-detachable support frame;
the movable steel bar wall binding jig is erected on the bottom plate of the pipe gallery and moves to the side edge of the side wall connecting base to position and bind steel bars in the side wall;
the template trolley system comprises a trolley main beam, a middle connecting beam, a walking driving system, a trolley side mold and an adjusting support rod; the trolley main beam, the middle connecting beam and the walking driving system are sequentially connected from top to bottom so as to move back and forth on a trolley sliding rail on the pipe gallery bottom plate; the upper end of the trolley side die is connected with the trolley main beam in a positioning mode, and the lower end of the trolley side die is abutted against the side edge of the side wall connecting base; one end of the adjusting support rod is connected with the middle connecting beam, and the other end of the adjusting support rod is connected with the trolley side die and used for realizing the positioning adjustment of the trolley side die;
the template verticality monitoring system comprises a verticality measuring instrument and a receiving plate; the verticality measuring instrument and the receiving plate are arranged in the height direction of the outer side of the trolley side die at a relative interval;
the unit type easily-detachable support frame comprises an inner support frame and a top supporting and pulling frame; the inner bracing frame is arranged between the outer molds of the side walls of the adjacent pipe galleries; the top props the top of drawing the frame and establishing at pipe gallery side wall self both sides steel centre form.
2. The large-section multi-cabin cast-in-place comprehensive pipe gallery side wall formwork construction system of claim 1, characterized in that: the movable reinforced wall binding jig comprises a jig base, a jig vertical rod, a transverse steel sleeve and a jig travelling wheel; the jig frame upright rods are longitudinally arranged on the jig frame base at equal intervals; the transverse steel sleeves are sequentially arrayed on the jig frame upright rods; the jig frame walking wheels are arranged below the jig frame base.
3. The large-section multi-cabin cast-in-place comprehensive pipe gallery side wall formwork construction system of claim 1, characterized in that: the trolley side die is positioned on the trolley main beam through a slide rod.
4. The large-section multi-cabin cast-in-place comprehensive pipe gallery side wall formwork construction system of claim 1, characterized in that: the unit type easy-to-disassemble support frame is also provided with an end part telescopic section; the end telescopic sections are arranged at two ends of the inner support frame.
5. The large-section multi-cabin cast-in-place comprehensive pipe gallery side wall formwork construction system of claim 1, characterized in that: the top bracing frame comprises bracing rods which are oppositely arranged; the supporting rods are respectively arranged on the outer side edges of the tops of the steel inner molds on the two sides of the side wall of the pipe gallery.
6. The large-section multi-cabin cast-in-place comprehensive pipe gallery side wall formwork construction system of claim 1, characterized in that: the top bracing frame comprises a bracing rod, a telescopic rod and a cushion block; the supporting rod is of a C-shaped structure; two ends of the support rod are respectively connected with a telescopic rod; the outer end of the telescopic rod is also provided with a cushion block; the cushion blocks are pushed through the telescopic rods to clamp and limit the upper parts of the steel internal molds on two sides of the side wall of the gallery.
7. The large-section multi-cabin cast-in-place comprehensive pipe gallery side wall formwork construction system of claim 1, characterized in that: the perpendicularity measuring instrument is connected with the trolley side mold through a hinge shaft; the verticality signal receiving plate and the verticality measuring instrument are positioned on the same central line and are vertically connected with the trolley side mold, and a signal reflection groove is formed in the center of the verticality signal receiving plate.
8. The large-section multi-cabin cast-in-place comprehensive pipe gallery side wall formwork construction system of claim 1, characterized in that: the movable reinforced wall binding jig frame is provided with a bilateral reinforced bar binding jig frame and a unilateral reinforced bar binding jig frame; the two-side steel bar binding tire frame is provided with tire frame upright rods on two sides of the base; the unilateral steel bar binding jig frame is only provided with a jig frame upright rod on one side of the base.
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| CN112442999A (en) * | 2020-12-03 | 2021-03-05 | 安徽省路桥工程集团有限责任公司 | Construction system and construction method for large-section multi-cabin cast-in-place comprehensive pipe gallery side wall formwork |
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| Publication number | Priority date | Publication date | Assignee | Title |
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