Subway station formwork jumbo
Technical field
The present invention relates to tunnel construction apparatus field, be specifically related to subway station formwork jumbo.
Background technology
Subway station formwork jumbo is for the large-scale nonstandard machine equipments of the one of concreting in constructing metro tunnel, and its agent structure is the steel work that plate-girder combines.
Traditional subway station formwork jumbo does not possess elevating function, need to have made to order by given size according to the specification of subway tunnel, the height and the width that comprise subway station formwork jumbo all need to coordinate the size of subway tunnel to carry out Aided design, therefore, construction party needs to require that producer carries out producing new equipment according to new dimensional structure, so, not only can increase construction cost, and the subway station formwork jumbo of different size specification can not be general, will cause a large amount of waste of material.
In addition, when using subway station formwork jumbo, all need before normal forward state to dismantle a part of parts, can control to move ahead after making it be reduced to certain altitude, then need to re-assembly again, integrated operation inconvenience, and increase meeting engineering time and difficulty of construction.
Summary of the invention
The object of the invention is to solve above defect, provide subway station formwork jumbo, it can carry out lift adjustment, uses with the subway tunnel building adapting to differing heights.
The object of the invention is to realize in the following manner:
Subway station formwork jumbo, it comprises supporting mechanism, facing and walking mechanism, and facing is installed on the top of supporting mechanism.
Supporting mechanism comprises the steel frame component be arranged side by side more than two, walking mechanism is installed on the bottom of each group of steel frame component, this steel frame component is by least one group of standard steel pipe support, oil gear and lifting gear are formed, lifting gear is fixedly mounted on the top of standard steel pipe support, lifting gear is by expansion bracket, the horizontal channel-section steel that connects of the expansion link of more than two and top is formed, push up and horizontally connect the top and being fixed with facing that channel-section steel is fixed on expansion link and be connected, the shrinking connecting-rod that can carry out oscilaltion along expansion link is installed between adjacent two expansion links, the bottom of expansion bracket is fixed with the top of standard steel pipe support and is connected, the top of expansion bracket is for penetrating and the location division of fixing expansion link, location division and expansion link are provided with the locating hole that several match mutually, and be provided with for matching the alignment pin inserted in locating hole, thus locking connection expansion link and expansion bracket, oil gear comprises the oil pressure holder being fixedly mounted on standard steel pipe support top and the oil hydraulic cylinder vertically installed, the expansion link of oil hydraulic cylinder upwards extends and is fixed is connected with the horizontal channel-section steel that connects in top.
Facing comprises panel body, steel form and the adjustment strut that can carry out telescopic length, panel body tiling is fixed on the horizontal top connecting channel-section steel, top, strut is regulated to comprise the identical left adjustment strut of structure and right adjustment strut, steel form comprises the identical left side steel form of structure and right side steel form, the right-hand member of left side steel form is connected with the left-end point of panel body by active connection, the left end of right side steel form is also connected with the right end of panel body by active connection, the left end of left side steel form is connected with the top of left adjustment strut, the left bottom of adjustment strut is connected with the left end of shrinking connecting-rod, by controlling the angle of inclination of left adjustment strut adjustable left side steel form, the right-hand member of right side steel form is connected with the top of right adjustment strut, the right bottom of adjustment strut is connected with the right-hand member of shrinking connecting-rod, by controlling the angle of inclination of right adjustment strut adjustable right side steel form.
In above-mentioned explanation, as preferred scheme, the two ends of described shrinking connecting-rod are provided with and penetrate and the locating sleeve be fixed on expansion link for matching, locating sleeve is also provided with the locking hole corresponding with the position of positioning hole of expansion link, and be provided with for matching the alignment pin inserted in this locking hole, thus locking connection expansion link and shrinking connecting-rod.
In above-mentioned explanation, as preferred scheme, the two ends of described adjustment strut are equipped with threaded rod, regulate the middle-end of strut to be provided with and carry out matching with threaded rod the threaded sleeve be spirally connected, carry out telescopic adjustment between threaded rod and threaded sleeve by screw thread.
In above-mentioned explanation, as preferred scheme, described active connection is hinge arrangement.
In above-mentioned explanation, as preferred scheme, described walking mechanism comprise universal wheel, for install universal wheel double flute steel underframe and for earth surface and the base for supporting of scalable adjustment, the top of double flute steel underframe is fixed with the bottom of standard steel pipe support and is connected, universal wheel is arranged on the bottom of double flute steel underframe, and the top of base for supporting upwards extends and penetrates double flute steel underframe and the bottom being fixed on standard steel pipe support.
In above-mentioned explanation, as preferred scheme, be connected and fixed between two adjacent groups steel frame component by least two horizontal steel pipes, horizontal steel pipe is each passed through and is fixed on often to be organized on steel frame component.
In above-mentioned explanation, as preferred scheme, the lower scissors that the below of described oil pressure holder is also provided with for increasing support force supports, and lower scissors support is fixedly mounted on standard steel pipe support.
In above-mentioned explanation, as preferred scheme, described lifting gear is also provided with the upper bridging of two or more for increasing support force, the upper end of upper bridging is fixed on the upper end of expansion link, and the lower end of upper bridging is fixed on the upper end of expansion bracket.
In above-mentioned explanation, as preferred scheme, described standard steel pipe support is combined by horizontal rectangular steel pipe, rectangular steel pipe longitudinal direction and oblique rectangular steel pipe and forms.
The beneficial effect that the present invention produces is as follows:
1) overall structure is simple, firmly stable, easy for installation, be provided with lifting gear, adjustablely during duty rise to applicable height and position, the top of facing is made to be adjacent to subway tunnel roof, during normal forward state, adjustable being reduced to adapts to height, formwork jumbo just usually can be walked along railway, compared with traditional structure, same set of formwork jumbo can adapt to the subway tunnel of differing heights, only need the standard component manufacturing a set of formwork jumbo can be general when therefore producing, cost of production can be saved, the waste of material simultaneously formwork jumbo because manufacturing multiple different size can being avoided to cause,
2) formwork jumbo of the present invention also can carry out transverse combination and installs additional while can carrying out oscilaltion adjustment; the size of chassis can arbitrarily regulate; during use, multiple stage formwork jumbo is arranged side by side; and be connected and fixed by horizontal steel pipe; easy for installation; integrated connection rear stability is strong, and can install additional by the width different according to subway tunnel, mobile installation process flexibility is strong;
3) integrally-regulated lifting process is simple and convenient, have additional the adjustment strut of scalable adjustment and the steel form of movable adjustment in addition, enable the end face of facing adapt to the subway tunnel end face of differing tilt angles, free adjustment angular slope angle, makes it connect and is more close to.
4) due to subway chassis can carry out oscilaltion adjustment while also can carry out transverse combination and install additional, the subway tunnel of the applicable multiple different size of same set of subway chassis, the component of subway chassis can reuse, after entire combination, intensity is good, and convenient disassembly, it is convenient to assemble, practical.
Accompanying drawing explanation
Fig. 1 is subway station formwork jumbo normal operating conditions schematic diagram in subway tunnel in the embodiment of the present invention;
Fig. 2 is Fig. 1 and close-up schematic view;
Fig. 3 is subway station formwork jumbo normal forward view in subway tunnel in the embodiment of the present invention;
Fig. 4 is the lateral view of subway station formwork jumbo in the embodiment of the present invention;
In figure, 1 is standard steel pipe support, and 2 is expansion bracket, and 3 is expansion link, 4 is shrinking connecting-rod, and 5 is locating sleeve, and 6 is locating hole, 7 is alignment pin, and 8 is oil pressure holder, and 9 is oil hydraulic cylinder, 10 is panel body, and 11 is left adjustment strut, and 12 is right adjustment strut, 13 is left side steel form, and 14 is right side steel form, and 15 is universal wheel, 16 is double flute steel underframe, and 17 is base for supporting, and 18 is horizontal steel pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail.
The present embodiment, with reference to Fig. 1 ~ Fig. 4, its subway station formwork jumbo specifically implemented comprises supporting mechanism, facing and walking mechanism, and facing is installed on the top of supporting mechanism.
In figure, supporting mechanism comprises two groups of steel frame components be arranged side by side, be connected and fixed by least two horizontal steel pipes 18 between two adjacent groups steel frame component, horizontal steel pipe 18 is each passed through and is fixed on often to be organized on steel frame component, walking mechanism is installed on the bottom of each group of steel frame component, in the present embodiment, steel frame component is by one group of standard steel pipe support 1, oil gear and lifting gear are formed, standard steel pipe support 1 is by horizontal rectangular steel pipe, rectangular steel pipe longitudinal direction and the combination of oblique rectangular steel pipe are formed, the standard steel pipe support 1 of the present embodiment is provided with the frame construction of the identical transverse direction of six groups of structures altogether, two groups or standard steel pipe support 1 more than two can be set according to the height of subway tunnel, directly be fixed by superposition.
Lifting gear is fixedly mounted on the top of standard steel pipe support 1, lifting gear is by expansion bracket 2, the horizontal channel-section steel that connects of the expansion link 3 of more than two and top is formed, lifting gear is also provided with the upper bridging of two or more for increasing support force, the upper end of upper bridging is fixed on the upper end of expansion link 3, the lower end of upper bridging is fixed on the upper end of expansion bracket 2, push up and horizontally connect the top and being fixed with facing that channel-section steel is fixed on expansion link 3 and be connected, the shrinking connecting-rod 4 that can carry out oscilaltion along expansion link 3 is installed between adjacent two expansion links 3, shrinking connecting-rod 4 can carry out lift adjustment, reinforce stabilization expansion link 3 can be played simultaneously, the two ends of shrinking connecting-rod 4 are provided with and penetrate and the locating sleeve 5 be fixed on expansion link 3 for matching, locating sleeve 5 is also provided with the locking hole corresponding with locating hole 6 position of expansion link 3, and be provided with for matching the alignment pin 7 inserted in this locking hole, thus locking connection expansion link 3 and shrinking connecting-rod 4, mode when regulating shrinking connecting-rod 4 to be elevated is identical with the mode of adjustable telescopic rod 3, first alignment pin 7 is disassembled, then regulate after rising or drop to adaptation position, guarantee that the locating hole 6 of expansion link 3 reinserts alignment pin 7 after corresponding with locking hole again, it is made to carry out reconnecting fixing.
The bottom of expansion bracket 2 is fixed with the top of standard steel pipe support 1 and is connected, the top of expansion bracket 2 is for penetrating and the location division of fixing expansion link 3, location division and expansion link 3 are provided with the locating hole 6 that several match mutually, and be provided with for matching the alignment pin 7 inserted in locating hole 6, thus locking connection expansion link 3 and expansion bracket 2, when carrying out lift adjustment, first alignment pin 7 is disassembled, then regulate after rising or drop to adaptation position, again reinsert alignment pin 7 after guaranteeing locating hole 6 correspondence simultaneously, make it carry out reconnecting fixing.
Oil gear is used for providing stable support force to facing, oil gear comprises the oil pressure holder 8 being fixedly mounted on standard steel pipe support 1 top and the oil hydraulic cylinder 9 vertically installed, the expansion link 3 of oil hydraulic cylinder 9 upwards extends and is fixed is connected with the horizontal channel-section steel that connects in top, the lower scissors that the below of oil pressure holder 8 is also provided with for increasing support force supports, and lower scissors support is fixedly mounted on standard steel pipe support 1.
Facing comprises panel body 10, steel form and can carry out the adjustment strut of telescopic length, the two ends of strut are regulated to be equipped with threaded rod, regulate the middle-end of strut to be provided with and carry out matching with threaded rod the threaded sleeve be spirally connected, between threaded rod and threaded sleeve, carry out telescopic adjustment by screw thread.Panel body 10 tiling is fixed on the horizontal top connecting channel-section steel, top, be used for during duty carrying out close contact with subway tunnel top, strut is regulated to comprise the identical left adjustment strut 11 of structure and right adjustment strut 12, steel form comprises the identical left side steel form 13 of structure and right side steel form 14, the right-hand member of left side steel form 13 is connected by the left-end point of hinge with panel body 10, the left end of right side steel form 14 is also connected with the right end of panel body 10 by hinge, the left end of left side steel form 13 is connected with the top of left adjustment strut 11, the bottom of left adjustment strut 11 is connected with the left end of shrinking connecting-rod 4, by controlling the angle of inclination of left adjustment strut 11 adjustable left side steel form 13, the right-hand member of right side steel form 14 is connected with the top of right adjustment strut 12, the bottom of right adjustment strut 12 is connected with the right-hand member of shrinking connecting-rod 4, by controlling the angle of inclination of right adjustment strut 12 adjustable right side steel form 14, as shown in Figure 1, during normal operating conditions, by regulating left adjustment strut 11 and right adjustment strut 12, left side steel form 13 and right side steel form 14 is made to be adjacent to the inclined plane of subway tunnel top respectively, the inclined plane of different angles can be adapted to, shown in Fig. 3, after having built, need to proceed to subsequent processing position, during normal forward state, first by lifting gear, panel body 10 and steel form are arranged to decline, adjustment left side steel form 13 and the angle of inclination of right side steel form 14, make panel body 10 and steel form not contact with subway tunnel end face simultaneously.
Walking mechanism comprises universal wheel 15, for install universal wheel 15 double flute steel underframe 16 and for earth surface and the base for supporting 17 of scalable adjustment, the top of double flute steel underframe 16 is fixed with the bottom of standard steel pipe support 1 and is connected, universal wheel 15 is arranged on the bottom of double flute steel underframe 16, the top of base for supporting 17 upwards extends and penetrates double flute steel underframe 16 and the bottom being fixed on standard steel pipe support 1, during normal forward state the bottom of base for supporting 17 not with earth surface, the bottom of base for supporting 17 and earth surface during normal operating conditions, for supporting whole formwork jumbo.
Overall structure is simple, firmly stable, easy for installation, be provided with lifting gear, adjustablely during duty rise to applicable height and position, the top of facing is made to be adjacent to subway tunnel roof, during normal forward state, adjustable being reduced to adapts to height, formwork jumbo just usually can be walked along railway, compared with traditional structure, same set of formwork jumbo can adapt to the subway tunnel of differing heights, only need the standard component manufacturing a set of formwork jumbo can be general when therefore producing, cost of production can be saved, the waste of material simultaneously formwork jumbo because manufacturing multiple different size can being avoided to cause.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as protection scope of the present invention.