CN203684019U - Height and span adjustable track laying machine for subway construction - Google Patents

Height and span adjustable track laying machine for subway construction Download PDF

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Publication number
CN203684019U
CN203684019U CN201420043548.XU CN201420043548U CN203684019U CN 203684019 U CN203684019 U CN 203684019U CN 201420043548 U CN201420043548 U CN 201420043548U CN 203684019 U CN203684019 U CN 203684019U
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China
Prior art keywords
adjustable
span
leg
height
supporting legs
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CN201420043548.XU
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Chinese (zh)
Inventor
张峰
杨铖
彭长贵
文荟鉴
张明
张平
杨宏伟
曹德志
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China Railway First Engineering Group Co Ltd
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China Railway First Engineering Group Co Ltd
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Priority to CN201420043548.XU priority Critical patent/CN203684019U/en
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Abstract

The utility model discloses a height and span adjustable track laying machine for subway construction. The height and span adjustable track laying machine for subway construction comprises a portal supporting frame, hoisting equipment installed on the portal supporting frame and a running mechanism driving the portal supporting frame to move front and back. The portal supporting frame comprises a main beam, two height-adjustable supporting legs, and two span-variable driving mechanisms driving the two height-adjustable supporting legs to move left and right respectively, wherein the tops of the two height-adjustable supporting legs and the main beam are connected through a plurality of connecting bolts I, two flange plates used for connecting the two height-adjustable supporting legs are arranged under the left side and the right side of the main beam respectively, and the two flange plates are symmetrically arranged. The height and span adjustable track laying machine for subway construction is simple in structure, reasonable in design, low in input cost, easy and convenient to operate and good in use effect, resolving the problems that an existing track-laying portal crane is low in span-variable efficiency in a tunnel, low in dismounting and mounting efficiency when passing through a contact passage under construction, low in single-time transport capacity, small in inner net width and the like, being high in safety, meeting the construction requirements of subway track laying under different work conditions, and being high in universality.

Description

Height and the adjustable track laying machine of span for subway work
Technical field
The utility model relates to a kind of subway construction equipment of laying a railway track, and especially relates to height and the adjustable track laying machine of span for a kind of subway work.
Background technology
The subway engineering of laying a railway track is the linking point of civil works and equipment installation project in subway work, and the lay a railway track key of construction of impact is the construction equipment of laying a railway track.Along with the appearance of the novel ballast bed structure of subway, mainly there is following problem in the existing portal crane of laying a railway track: the first,, in the time of the construction of the different locations such as tunnel station platform, shield structure interval, Rectangular Tunnel, change the inefficient problem of work span; The second, lay a railway track in tunneling shield interval construction front run in the time of the service channel of building, disintegrate by inefficient problem; Three, due to lifting altitude deficiency, room for promotion is little, causes the low problem of flat car single capacity; Four, due to interior clear span deficiency, cause little superrelation on curve location, the reinforcing cage section of track, precast plate etc. scratch the portal crane problem of laying a railway track.Therefore the transformation innovation of equipment of laying a railway track is imperative, and safety, efficiently, new equipment also will obtain the favor of Geng Duo unit in charge of construction easily.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, height and the adjustable track laying machine of span for a kind of subway work is provided, it is simple in structure, reasonable in design, input cost is low and it is easy and simple to handle to use, result of use good, can effectively solve in the tunnel that the existing portal crane of laying a railway track exists become low across efficiency, the problem of passing through that service channel dismounting efficiency is low, low, the interior clear span of single capacity is little etc.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: height and the adjustable track laying machine of span for a kind of subway work, is characterized in that: the running mechanism that comprises portal support, is arranged on the crane gear on described portal support and drives described portal support to move forward and backward; Described portal support comprises that girder, two are arranged on respectively the adjustable height supporting leg of below, the girder left and right sides and two and drive respectively change that two described adjustable height supporting legs move left and right across driving mechanism, two described adjustable height supporting legs are symmetrical laying, the quantity of described running mechanism be two and two described running mechanisms respectively symmetry be arranged on two described adjustable height supporting legs bottoms; Between two described adjustable height supporting leg tops and girder, be all connected by multiple connecting bolts one, the below, the left and right sides of described girder is respectively arranged with the flanged plate for connecting two described adjustable height supporting legs, two described flanged plates are all that level is laid and the two symmetry is laid in the below, the left and right sides of girder, on two described flanged plates and two described adjustable height supporting legs, are provided with the bolt mounting holes that the described connecting bolt one of multiple confessions is installed.
Height and the adjustable track laying machine of span for above-mentioned subway work, it is characterized in that: the top of two described adjustable height supporting legs is provided with the roller assembly that can move left and right on flanged plate, two described changes across driving mechanism respectively symmetry be arranged on two described adjustable height supporting leg tops, two described roller assemblies and two described changes form the span adjusting device of described portal support across driving mechanism; Described flanged plate is to carry out for roller assembly the rolling plate rolling in left and right.
Height and the adjustable track laying machine of span for above-mentioned subway work, is characterized in that: described running mechanism comprises with girder and is walking cross girders and being arranged on away the walking mechanism of cross girders below of vertical laying; Described adjustable height supporting leg comprises that two lower leg that are arranged on away respectively top, both sides before and after cross girders and two are arranged on respectively the outer rigid leg directly over two described lower leg, and two described lower leg and two described outer rigid legs are all vertically to laying; Described outer rigid leg is inner hollow and the rectangular sleeve that is sleeved on described lower leg top, between two described outer rigid leg bottoms, connects by one lower transverse beam; Described lower transverse beam with walk cross girders and be parallel laying, described in walk cross girders top, both sides, front and back a hydraulic jack that lower transverse beam is carried out to pushing tow is all installed, two described hydraulic jacks and lower transverse beam form the arrangement for adjusting height of described portal support.
Height and the adjustable track laying machine of span for above-mentioned subway work, is characterized in that: when two described adjustable height supporting legs all move to inside flanged plate, the spacing between two described adjustable height supporting legs is 2900mm ± 200mm; When two described adjustable height supporting legs all move to flanged plate middle part, the spacing between two described adjustable height supporting legs is 3100mm ± 200mm; When two described adjustable height supporting legs all move to outside flanged plate, the spacing between two described adjustable height supporting legs is 3600mm ± 200mm.
Height and the adjustable track laying machine of span for above-mentioned subway work, is characterized in that: also comprise the hanger that described portal support is lifted, described hanger is arranged on girder.
Height and the adjustable track laying machine of span for above-mentioned subway work, it is characterized in that: described crane gear comprises installs to need suspender and two of the left and right hoisting mechanism respectively suspender being promoted that the section of track lifts, and two described hoisting mechanism symmetries are arranged on the left and right sides of described portal support; The front side, bottom of two described adjustable height supporting legs is all provided with an operating platform, and coil of cable drum is installed on described operating platform.
Height and the adjustable track laying machine of span for above-mentioned subway work, it is characterized in that: the quantity that roller assembly is installed at each described adjustable height supporting leg top is two, and two roller assembly symmetries that install at each described adjustable height supporting leg top are laid in both sides, flanged plate front and back.
Height and the adjustable track laying machine of span for above-mentioned subway work, is characterized in that: between two described outer rigid leg tops, connect by one top rail, described top rail be positioned at lower transverse beam directly over and its be parallel laying with lower transverse beam; Two described roller assemblies that install at each described adjustable height supporting leg top are installed in top, top rail middle part.
Height and the adjustable track laying machine of span for above-mentioned subway work, it is characterized in that: described change is Manual drive mechanism across driving mechanism, described Manual drive mechanism comprises the horizontal screw lead that can drive top rail to move left and right, described horizontal screw lead be arranged on top rail and itself and top rail between be connected by screw thread; On described girder, be provided with horizontal screw lead is carried out axially and radially spacing limiting plate.
Height and the adjustable track laying machine of span for above-mentioned subway work, it is characterized in that: between described outer rigid leg and described lower leg, be connected by one group of connecting bolt two, described outer rigid leg bottom is provided with one group of bolt mounting holes of installing for described connecting bolt two, has the bolt mounting holes that multicomponent Gong described connecting bolt two not be installed in described lower leg from top to bottom.
The utility model compared with prior art has the following advantages:
1, simple in structure, reasonable in design and input cost is low, cheap.
2, processing and fabricating and use easy and simple to handle.
3, the change adopting is simple across mechanism structure, processing and fabricating and installing lay convenient and use easy and simple to handle, result of use good, can complete easy, fast to become to stride across journey.
4, the reasonable in design and easy accessibility of the adjustable height leg structure that adopts, can meet the demand highly regulating.When adjustable height supporting leg rises to high state, lay a railway track portal crane clear height increase, the concrete bucket that suspender is raised to handling when the highest can pass through from the concrete bucket top being positioned over track, so the concrete that when concrete pouring construction, railcar list plows transport can be increased to 4 buckets by traditional 2 buckets, the section of track that railcar list plows transport can be increased to 3 by traditional 2; When adjustable height supporting leg is down to minimum state, the portal crane of laying a railway track can be directly by the service channel of building.In improve railway roadbed efficiency of construction, reduce driver, workman's labour intensity.
5, result of use is good and practical value is high, adopts the utility model to carry out the subway construction operation of laying a railway track, and brings very big facility can to the construction of laying a railway track of subway underground cable.Not only hand change is only 1/6 of traditional dismounting engineering method across uprising the needed time with hydraulic pressure, can save manpower, reduce workman's labour intensity, effectively ensure construction speed, and the utility model is in the time of 3.6m span operating mode, expand the clear span of the portal crane of laying a railway track to 3.27m by the 2.78m of conventional hoist, efficiently solve in little superrelation on curve location, the reinforcing cage section of track, precast plate etc. scratch the problem of the portal crane of laying a railway track, can effectively guarantee construction safety, there is wide application value.Thereby, deficiency that the utility model can effectively solve that in the tunnel that the existing portal crane of laying a railway track exists, change is low across efficiency, low by the service channel dismounting efficiency building, low, the interior clear span of single capacity is little etc., can easy, fast change work span and height, in improving efficiency of construction, can significantly reduce workman's labour intensity.
6, become higher across security performance compared with conventional method.
7, economical and practical and applied range, is applicable to the construction of laying a railway track of various tunnel structures in subway work process.
In sum, the utility model is simple in structure, reasonable in design, input cost is low and it is easy and simple to handle to use, result of use good, the problem that can effectively solve that in the tunnel that the existing portal crane of laying a railway track exists, change is low across efficiency, low by the service channel dismounting efficiency building, low, the interior clear span of single capacity is little etc., security performance is high, meet the subway different working conditions construction of laying a railway track, highly versatile.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is lateral view of the present utility model.
Fig. 3 is the structural representation of two hoisting mechanisms in the utility model crane gear.
Fig. 4 is that the utility model becomes the use state reference map across driving mechanism.
Fig. 5 is the use state reference map of the utility model in the time of minimum span.
Fig. 6 is the use state reference map of the utility model in the time of middle span.
Fig. 7 is the use state reference map of the utility model in the time of maximum span.
Fig. 8 is the use state reference map of the utility model while being down to low clearance.
Description of reference numerals:
1-travelling wheel; 2-walk cross girders; 3-reduction box;
4-double-speed motor; 5-operating platform; 6-coil of cable drum;
7-hydraulic jack; 8-hydraulic pump; 9-bottom leg;
10-interior rigid leg; 11-hinged bolts; 12-outer rigid leg;
13-lower transverse beam; 14-acousto-optic warning lamp; 15-electric block;
16-top rail; 17-fixed pulley; 18-horizontal screw lead;
19-roller assembly; 19-1-wheel carrier; 19-2-wheel shaft;
19-3-roller; 20-girder; 21-fixed pulley group;
22-hanger; 23-running block; 24-suspender;
25-flanged plate; 26-limiting plate.
Detailed description of the invention
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the running mechanism that the utility model comprises portal support, is arranged on the crane gear on described portal support and drives described portal support to move forward and backward.Described portal support comprises that girder 20, two are arranged on respectively the adjustable height supporting leg of girder 20 belows, the left and right sides and two and drive respectively change that two described adjustable height supporting legs move left and right across driving mechanism, two described adjustable height supporting legs are symmetrical laying, the quantity of described running mechanism be two and two described running mechanisms respectively symmetry be arranged on two described adjustable height supporting legs bottoms.Between two described adjustable height supporting leg tops and girder 20, be all connected by multiple connecting bolts one, the below, the left and right sides of described girder 20 is respectively arranged with the flanged plate 25 for connecting two described adjustable height supporting legs, two described flanged plates 25 are all that level is laid and the two symmetry is laid in the below, the left and right sides of girder 20, on two described flanged plates 25 and two described adjustable height supporting legs, are provided with the bolt mounting holes that the described connecting bolt one of multiple confessions is installed.
In the present embodiment, the top of two described adjustable height supporting legs is provided with the roller assembly 19 that can move left and right on flanged plate 25, two described changes across driving mechanism respectively symmetry be arranged on two described adjustable height supporting leg tops, two described roller assemblies 19 and two described changes form the span adjusting device of described portal support across driving mechanism; Described flanged plate 25 is for carrying out for roller assembly 19 the rolling plate rolling in left and right.
When actual use, when two described adjustable height supporting legs all move to flanged plate 25 inner side, the spacing between two described adjustable height supporting legs is 2900mm ± 200mm; When two described adjustable height supporting legs all move to flanged plate 25 middle part, the spacing between two described adjustable height supporting legs is 3100mm ± 200mm; When two described adjustable height supporting legs all move to flanged plate 25 outside, the spacing between two described adjustable height supporting legs is 3600mm ± 200mm.
In the present embodiment, when two described adjustable height supporting legs all move to flanged plate 25 outside, the spacing (being the maximum span of described portal support) between two described adjustable height supporting legs is 3600mm, refers to Fig. 7.When two described adjustable height supporting legs all move to flanged plate 25 inner side, the spacing (being the minimum span of described portal support) between two described adjustable height supporting legs is 2900mm, refers to Fig. 5.Span between minimum span and the maximum span of described portal support is middle span, wherein, and use state reference map when Fig. 6 is two spacing (being the middle span of described portal support) between described adjustable height supporting leg for 3100mm.Actually add man-hour, can be according to specific needs, maximum span and minimum span to described portal support adjust accordingly.
In the present embodiment, described girder 20 is Curved beam.
When actual use, described girder 20 also can adopt straight beam.
In the present embodiment, the front side, bottom of two described adjustable height supporting legs is all provided with an operating platform 5, on described operating platform 5, coil of cable drum 6 is installed.
In the present embodiment, two described adjustable height supporting legs are all vertically to laying.
Described running mechanism comprises with girder 20 and is walking cross girders 2 and being arranged on away the walking mechanism of cross girders 2 belows of vertical laying.In the present embodiment, described walking mechanism comprises two travelling wheels 1 that are arranged on away respectively cross girders 2 front and back down either side, two described travelling wheels 1 comprise a driving wheel and a driven pulley, the wheel shaft of described driving wheel is in transmission connection by transmission mechanism and reduction box 3, and described reduction box 3 is in transmission connection with drive motors.When actual use, described walking mechanism also can adopt the running gear of other type.
In the present embodiment, described drive motors is double-speed motor 4.And described reduction box 3 and double-speed motor 4 are all arranged on away on cross girders 2 by bolt.
When actual use, can be according to specific needs, the installation site of the type to described drive motors and reduction box 3 and double-speed motor 4 adjusts accordingly.
In the present embodiment, described adjustable height supporting leg comprises that 12, two described lower leg of outer rigid leg and two described outer rigid legs 12 that two lower leg that are arranged on away respectively cross girders 2 both sides, front and back tops and two are arranged on respectively directly over two described lower leg are all vertically to laying.Described outer rigid leg 12 is inner hollow and the rectangular sleeve that is sleeved on described lower leg top, between two described outer rigid leg 12 bottoms, connects by one lower transverse beam 13.Described lower transverse beam 13 with walk cross girders 2 and be parallel laying, described in walk cross girders 2 top, both sides, front and back the arrangement for adjusting height that 7, two the described hydraulic jacks 7 of hydraulic jack that lower transverse beam 13 carried out to pushing tow and lower transverse beam 13 form described portal support is all installed.
When actual installation, two described hydraulic jacks 7 are all arranged on away on cross girders 2 by bolt.
In the present embodiment, two described hydraulic jacks 7 all join by hydraulic oil pipe and hydraulic oil container, and hydraulic pump 8 is installed on described hydraulic oil pipe.And described hydraulic pump 8 is arranged on the inside wall of bottom leg 9.When actual installation, can according to specific needs, the installation site of hydraulic pump 8 be adjusted accordingly.
Meanwhile, the utility model also comprises the hanger 22 that described portal support is lifted, and described hanger 22 is arranged on girder 20.In the present embodiment, the quantity of described hanger 22 is two, and two described hangers 22 are laid in respectively the left and right sides of girder 20.
In the present embodiment, the quantity that roller assembly 19 is installed at each described adjustable height supporting leg top is two, and two roller assembly 19 symmetries that install at each described adjustable height supporting leg top are laid in flanged plate 25 both sides, front and back.
The roller assembly 19 that install at two described adjustable height supporting leg tops is symmetrical laying.
In the present embodiment, between two described outer rigid leg 12 tops, connect by one top rail 16, described top rail 16 be positioned at lower transverse beam 13 directly over and its be parallel laying with lower transverse beam 13; Two described roller assemblies 19 that install at each described adjustable height supporting leg top are installed in top rail 16 tops, middle part.
In the present embodiment, between two described outer rigid legs 12 and lower transverse beam 13 and top rail 16, be all fixed and be connected with welding manner.
In the present embodiment, described crane gear comprises installs to need suspender 24 and two of the left and right hoisting mechanism respectively suspender 24 being promoted that the section of track lifts, and two described hoisting mechanism symmetries are arranged on the left and right sides of described portal support.
When actual use, by described suspender 24, the section of track is lifted and transported.
In the present embodiment, described suspender 24 is crossing hanger.
In the present embodiment, described hoisting mechanism comprise be arranged on described adjustable height supporting leg top electric block 15, be arranged on described adjustable height supporting leg inside top fixed pulley 17, be arranged on the fixed pulley group 21 on girder 20 and be arranged on the running block 23 on suspender 24, on described electric block 15, wire rope is housed, one end of described wire rope is fixed on the reel of electric block 15, the other end by first to after after fixed pulley 17, fixed pulley group 21 and running block 23, be fixed on girder 20.
When actual installation, described fixed pulley 17 is fixed on top rail 16 inner sides.Described electric block 15 is fixed on lower transverse beam 13.
In the present embodiment, described electric block 15, fixed pulley 17, the quantity of fixed pulley group 21 and running block 23 is two, two described electric blocks 15 are laid in respectively on the lower transverse beam 13 of two described adjustable height supporting legs and the two is symmetrical laying, two described fixed pulleys 17 are arranged on respectively top rail 16 inner sides of two described adjustable height supporting legs and the two is symmetrical laying, two described fixed pulley groups 21 are installed on girder 20 and the two is symmetrical laying, two described running blocks 23 are installed on suspender 24 and the two is symmetrical laying.The described fixed pulley of two described electric blocks 15, two 17, two described fixed pulley groups 21 and two described running blocks 23 form two lift units that are symmetrical laying, and two described lift units form described hoisting mechanism.
In the present embodiment, described change is Manual drive mechanism across driving mechanism, described Manual drive mechanism comprises the horizontal screw lead 18 that can drive top rail 16 to move left and right, described horizontal screw lead 18 be arranged on top rail 16 and itself and top rail 16 between be connected by screw thread.On described girder 20, be provided with horizontal screw lead 18 is carried out axially and radially spacing limiting plate 26.
When actual use, described change also can adopt electric driving mechanism across driving mechanism.
In the present embodiment, described limiting plate 26 is L shaped plate.
Meanwhile, described horizontal screw lead 18 the inners are provided with and drive its joystick rotating.
Described roller assembly 19 comprises the wheel carrier 19-1 being arranged on top rail 16 and is arranged on the roller 19-3 on wheel carrier 19-1 by wheel shaft 19-2.
In the present embodiment, the quantity of described roller 19-3 is that two and two described roller 19-3 are laid in same level.
When actual use, also can be according to specific needs, the installation position of the quantity of pair roller 19-3 and each roller 19-3 adjusts accordingly.
In the present embodiment, described top rail 16 is welded by the i iron of two parallel layings, and two described i iron are laid in same level.When actual use, described top rail 16 also can adopt the beam body of other type.
When actual use, the bottom of described outer rigid leg 12 is inner hollow and is sleeved on described lower leg top.In the present embodiment, between described outer rigid leg 12 and described lower leg, be connected by one group of connecting bolt two, described outer rigid leg 12 bottoms are provided with one group of bolt mounting holes of installing for described connecting bolt two, have the bolt mounting holes that multicomponent Gong described connecting bolt two not be installed in described lower leg from top to bottom.
In the present embodiment, described in one group, the quantity of connecting bolt two is multiple.Described connecting bolt two is hinged bolts 11.
In the present embodiment, described lower leg comprises and being arranged on away on cross girders 2 and vertically to the bottom leg 9 of laying be arranged on the interior rigid leg 10 under described bottom leg 9, described outer rigid leg 12 is for being sleeved on the rectangular sleeve in interior rigid leg 10 outsides.
And, on described interior rigid leg 10, have the bolt mounting holes that multicomponent Gong described connecting bolt two not be installed from top to bottom.
In the present embodiment, on described lower transverse beam 13, acousto-optic warning lamp 14 is installed.
In sum, subway work described in the utility model is being walked two ends travelling wheel 1 of bolt respectively of cross girders 2 with height and the adjustable track laying machine of span, double-speed motor 4 is connected with reduction box 3 by adpting flange, described reduction box 3 bolts are being walked on cross girders 2, in actual use procedure, drive the utility model walking by the chain drive being connected between reduction box 3 and travelling wheel 1, two described bottom leg 9 respectively bolt at the two ends of walking cross girders 2, coil of cable drum 6 is arranged on operating platform 5, operating platform 5 with walk cross girders 2 and be connected with bolt by bearing pin, hydraulic pump 8 is arranged in bottom leg 9, walk cross girders 2 two ends hydraulic jack 7 of bolt respectively, and hydraulic jack 7 is connected with hydraulic pump 8 by hydraulic oil pipe, interior rigid leg 10 and bottom leg 9 bolts, after outer rigid leg 12 and 10 grafting of interior rigid leg, position with hinged bolts 11, lower transverse beam 13 and top rail 16 all weld with outer rigid leg 12, electric block 15 and the equal bolt of acousto-optic warning lamp 14 are on lower transverse beam 13 tops, described horizontal screw lead 18 is arranged on top rail 16 sidepieces, roller assembly 19 is welded on top rail 16 tops, fixed pulley 17 is arranged on top rail 16 inner sides by wearing pin, girder 20 forms door word structure with top rail 16 bolts, fixed pulley group 21 is arranged in girder 20, running block 23 is arranged on described crossing hanger top, wire rope one end is fixed on the reel of electric block 15, the other end is through fixed pulley 17, after fixed pulley group 21 and running block 23, be fixed on girder 20 sidepieces, hanger 22 is welded on girder 20 sidepieces.In the present embodiment, described hydraulic pump 8 is hydraulic hand-pump.
Before practice of construction, first from checking that in appearance bolt of the present utility model, bearing pin connect and external structure, guarantee the reliable and front clear of advancing of external power supply, check errorless after, the descending operation of cart advance and retreat and crossing hanger is carried out in zero load, guarantees that braking and stopping means are working properly.
When construction, first 2 crossing hangers of the present utility model are all raised to higher position, then stride across and the flat car of the section of track is housed and walks to behind the position that need get the section of track along rail running, 2 described crossing hangers of the present utility model are all put down and the gripping section of track or hang and take after the section of track, the safe distance of about synchronous ascending 20cm, then 2 playscript with stage directions utility model is synchronized advances, and the section of track is migrated to laying a railway track behind position, adjust the front and back position of the section of track with low or first gear walking, and adjust section of track inclination angle with electric block 15.
Actual become across time, first for example, by hanging device (Chain block and wire rope) and utilize hanger 22 that the utility model entirety is hung to rail level 10cm, then come up and connect the flange bolt (being described connecting bolt one) of girder 20 and top rail 16, two the described adjustable height supporting legs in left and right are slowly separated with girder 20, until the roller assembly 19 that fills hangs on flanged plate set on girder 20 25 on the top rail 16 of described adjustable height supporting leg, manually rotate again horizontal screw lead 18, and drive described adjustable height supporting leg inwardly or outwards to slide into required work span, use afterwards and adopt described connecting bolt one again girder 20 to be connected with described adjustable height supporting leg.
As shown in Figure 8, when actual uprising, first operating hydraulic hand-pump stretches out the piston rod of hydraulic jack 7, and piston rod is withstood behind lower transverse beam 13 bottoms, slowly extract external rigid leg 12 and the hinged bolts 11 that interior rigid leg 10 positions out, then operate described hydraulic hand-pump, and flexible by the piston rod of hydraulic jack 7, drive outer rigid leg 12 to synchronize and carry out lifting with girder 20, thereby reach the object of adjusting the utility model height.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection domain of technical solutions of the utility model.

Claims (10)

1. height and the adjustable track laying machine of span for subway work, is characterized in that: the running mechanism that comprises portal support, is arranged on the crane gear on described portal support and drives described portal support to move forward and backward; Described portal support comprises that girder (20), two are arranged on respectively the adjustable height supporting leg of below, girder (20) left and right sides and two and drive respectively change that two described adjustable height supporting legs move left and right across driving mechanism, two described adjustable height supporting legs are symmetrical laying, the quantity of described running mechanism be two and two described running mechanisms respectively symmetry be arranged on two described adjustable height supporting legs bottoms; Between two described adjustable height supporting leg tops and girder (20), be all connected by multiple connecting bolts one, the below, the left and right sides of described girder (20) is respectively arranged with the flanged plate (25) for connecting two described adjustable height supporting legs, two described flanged plates (25) are all level laying and the two symmetry is laid in below the left and right sides of girder (20), on two described flanged plates (25) and two described adjustable height supporting legs, are provided with the bolt mounting holes that the described connecting bolt one of multiple confessions is installed.
2. according to height and the adjustable track laying machine of span for subway work claimed in claim 1, it is characterized in that: the top of two described adjustable height supporting legs is provided with the roller assembly (19) that can move left and right on flanged plate (25), two described changes across driving mechanism respectively symmetry be arranged on two described adjustable height supporting leg tops, two described roller assemblies (19) and two described changes form the span adjusting device of described portal support across driving mechanism; Described flanged plate (25) is for carrying out for roller assembly (19) the rolling plate rolling in left and right.
3. according to height and the adjustable track laying machine of span for subway work described in claim 1 or 2, it is characterized in that: described running mechanism comprises with girder (20) and is walking cross girders (2) and being arranged on away the walking mechanism below cross girders (2) of vertical laying; Described adjustable height supporting leg comprises that two lower leg that are arranged on away respectively top, both sides before and after cross girders (2) and two are arranged on respectively the outer rigid leg (12) directly over two described lower leg, and two described lower leg and two described outer rigid legs (12) are all vertically to laying; Described outer rigid leg (12) is inner hollow and the rectangular sleeve that is sleeved on described lower leg top, between two described outer rigid legs (12) bottom, connects by one lower transverse beam (13); Described lower transverse beam (13) with walk cross girders (2) and be parallel laying, described walk both sides, the front and back top of cross girders (2) hydraulic jack (7) that lower transverse beam (13) is carried out to pushing tow is all installed, two described hydraulic jacks (7) and lower transverse beam (13) form the arrangement for adjusting height of described portal support.
4. according to height and the adjustable track laying machine of span for subway work claimed in claim 2, it is characterized in that: when two described adjustable height supporting legs all move to flanged plate (25) inner side, the spacing between two described adjustable height supporting legs is 2900mm ± 200mm; When two described adjustable height supporting legs all move to flanged plate (25) middle part, the spacing between two described adjustable height supporting legs is 3100mm ± 200mm; When two described adjustable height supporting legs all move to flanged plate (25) outside, the spacing between two described adjustable height supporting legs is 3600mm ± 200mm.
5. according to height and the adjustable track laying machine of span for the subway work described in claim 1 or 2, it is characterized in that: also comprise the hanger (22) that described portal support is lifted, described hanger (22) is arranged on girder (20).
6. according to height and the adjustable track laying machine of span for the subway work described in claim 1 or 2, it is characterized in that: described crane gear comprises installs to need suspender (24) and two of the left and right hoisting mechanism respectively suspender (24) being promoted that the section of track lifts, and two described hoisting mechanism symmetries are arranged on the left and right sides of described portal support; The front side, bottom of two described adjustable height supporting legs is all provided with an operating platform (5), and coil of cable drum (6) is installed on described operating platform (5).
7. according to height and the adjustable track laying machine of span for subway work claimed in claim 2, it is characterized in that: the quantity that roller assembly (19) is installed at each described adjustable height supporting leg top is two, and two roller assemblies (19) symmetry that install at each described adjustable height supporting leg top is laid in both sides, flanged plate (25) front and back.
8. according to height and the adjustable track laying machine of span for subway work claimed in claim 3, it is characterized in that: two described outer rigid legs (12) connect by one top rail (16) between top, described top rail (16) be positioned at lower transverse beam (13) directly over and its be parallel laying with lower transverse beam (13); Two described roller assemblies (19) that install at each described adjustable height supporting leg top are installed in top, top rail (16) middle part.
9. according to height and the adjustable track laying machine of span for subway work claimed in claim 8, it is characterized in that: described change is Manual drive mechanism across driving mechanism, described Manual drive mechanism comprises the horizontal screw lead (18) that can drive top rail (16) to move left and right, and described horizontal screw lead (18) is arranged between top rail (16) upper and itself and top rail (16) and is connected by screw thread; On described girder (20), be provided with horizontal screw lead (18) is carried out axially and radially spacing limiting plate (26).
10. according to height and the adjustable track laying machine of span for subway work claimed in claim 3, it is characterized in that: between described outer rigid leg (12) and described lower leg, be connected by one group of connecting bolt two, described outer rigid leg (12) bottom is provided with one group of bolt mounting holes of installing for described connecting bolt two, has the bolt mounting holes that multicomponent Gong described connecting bolt two not be installed in described lower leg from top to bottom.
CN201420043548.XU 2014-01-23 2014-01-23 Height and span adjustable track laying machine for subway construction Withdrawn - After Issue CN203684019U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103726421A (en) * 2014-01-23 2014-04-16 中铁一局集团有限公司 Height and span adjustable track paver for metro construction
CN104233909A (en) * 2014-09-28 2014-12-24 北京铁五院工程机械有限公司 Heavy haul railway elastic supporting block type ballastless track construction device and construction method
CN106276597A (en) * 2016-09-23 2017-01-04 周兆弟 The row that can change height hangs
CN110450131A (en) * 2019-08-14 2019-11-15 华能国际电力股份有限公司汕头电厂 A kind of robot track and installation method for defeated coal inspection

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103726421A (en) * 2014-01-23 2014-04-16 中铁一局集团有限公司 Height and span adjustable track paver for metro construction
CN103726421B (en) * 2014-01-23 2015-06-10 中铁一局集团有限公司 Height and span adjustable track paver for metro construction
CN104233909A (en) * 2014-09-28 2014-12-24 北京铁五院工程机械有限公司 Heavy haul railway elastic supporting block type ballastless track construction device and construction method
CN106276597A (en) * 2016-09-23 2017-01-04 周兆弟 The row that can change height hangs
CN110450131A (en) * 2019-08-14 2019-11-15 华能国际电力股份有限公司汕头电厂 A kind of robot track and installation method for defeated coal inspection
CN110450131B (en) * 2019-08-14 2021-01-12 华能国际电力股份有限公司汕头电厂 Robot track for coal conveying inspection and installation method

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