CN202913361U - Jacking mechanism of bridging vehicle - Google Patents
Jacking mechanism of bridging vehicle Download PDFInfo
- Publication number
- CN202913361U CN202913361U CN 201220580176 CN201220580176U CN202913361U CN 202913361 U CN202913361 U CN 202913361U CN 201220580176 CN201220580176 CN 201220580176 CN 201220580176 U CN201220580176 U CN 201220580176U CN 202913361 U CN202913361 U CN 202913361U
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- jacking
- box
- pin
- lifting body
- bridging
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Abstract
The utility model relates to a jacking mechanism of a bridging vehicle. The jacking mechanism comprises a jacking stand column arranged on the upper portion of a load-sharing beam of the bridging vehicle, a lifting adjustment piece arranged on the upper portion of the load-sharing beam of the bridging vehicle and a jacking auxiliary framework arranged on the upper portion of the lifting adjustment piece and sleeved outside the jacking stand column. The jacking stand column comprises a plurality of box-shaped sectional blocks sequentially stacked along the height direction. The jacking auxiliary framework can be fixed to each box-shaped sectional block. According to the jacking mechanism, ascending and descending of the jacking mechanism are achieved through increase and decrease of the box-shaped sectional blocks, the structure is simple, ascending and descending efficiency is high, and the ascending and the descending are safe and flexible.
Description
Technical field
the utility model relates to a kind of lifting body of bridging car.
Background technology
at present, in carrying out the setting up of concrete continuous girder bridge, beam piece sections is prefabricated in the beam field usually, and ground transport is to bridge location, reproduces by beam piece section assembling Cheng Qiao, and therefore, Bridge Erector is requisite engineering machinery in bridge erection.Existing Bridge Erector, have a plurality of pillars, supporting leg, coordinates alternately running when setting up with via hole, and such structure not only makes efficiency of construction low, and the work period is long, also needs more auxiliary equipment to be carried, and makes holistic cost improve; Simultaneously, via hole is loaded down with trivial details takies the longer time, transition, has especially the problems such as dismounting, installation, transportation while crossing the situation such as tunnel.All these has caused no matter Bridge Erector is the problem that efficiency is low, the cycle is long, cost is high in transportation or erection construction.
Summary of the invention
the purpose of this utility model is to provide a kind of lifting body of bridging car.
for achieving the above object, the technical solution adopted in the utility model is:
a kind of lifting body of bridging car, described lifting body comprises the jacking column that is arranged on bridging car load-sharing girder top, the lift adjustment part on bridging car load-sharing girder top is set and is arranged on described lift adjustment part top, is set in the jacking auxiliary frame of described jacking column outside, described jacking column comprises the box-shaped sections piece that several stack gradually along short transverse, and described jacking auxiliary frame can fix with each described box-shaped sections piece.
preferably, bridging car load-sharing girder top is provided with support bracket, and described lift adjustment part is arranged on described support bracket.
further preferably, described lift adjustment part is hydraulic jack, and described hydraulic jack is provided with two.
preferably, on each described box-shaped sections piece, offer the first pin-and-hole, on described jacking auxiliary frame, the position of corresponding described the first pin-and-hole offers the second pin-and-hole, between described the first pin-and-hole, the second pin-and-hole, can fix by bearing pin.
preferably, between described box-shaped sections piece, by bolt, connect successively mutually.
because technique scheme is used, the utility model compared with prior art has following advantages:
the utility model completes the lifting of lifting body by the increase and decrease to box-shaped sections piece, it is simple in structure, and lifting efficiency is high, elevating safety, flexible.
The accompanying drawing explanation
accompanying drawing 1 is front view of the present utility model;
accompanying drawing 2 is top view of the present utility model;
the front view that accompanying drawing 3 is jacking auxiliary body in the utility model;
the top view that accompanying drawing 4 is jacking auxiliary body in the utility model;
the process chart that accompanying drawing 5-9 is lifting body in the utility model;
the process chart that accompanying drawing 10-12 is supporting vertical shift governor motion in the utility model;
accompanying drawing 13-25 is process chart of the present utility model.
wherein: 1, modular cart; 10, pull bar; 11, pull bar; 12, pull bar; 13, pull bar; 2, load-sharing girder; 20, support bracket; 3, lifting body; 30, jacking column; 300, box-shaped sections piece; 32, jacking auxiliary frame; 33, hydraulic jack; 4, girder; 40, connecting rod; 41, connecting rod; 42, connecting rod; 43, connecting rod; 44, connecting rod; 45, connecting rod; 5, supporting vertical shift governor motion; 50, dolly; 51, jack; 52, locking sprocket wheel; 53, crank depression bar; 54, locking pawl; 55, chain; 56, drive reductor; 57, traversing slide block; 58, sideslip oil cylinder; 6, support leg mechanism; 60, supporting leg body; 61, supporting upright post; 62, distribution beam; 63, supporting oil cylinder; 7, pier stud.
The specific embodiment
below in conjunction with drawings and Examples, the utility model is further described:
a kind of bridging car as shown in Figure 1, 2, it comprises many modular cart 1, be arranged on load-sharing girder 2 on modular cart 1, be arranged on lifting body 3 on load-sharing girder 2, be arranged on the girder 4 on lifting body 3, the supporting vertical shift governor motion 5 that is arranged on girder 4 tops, the support leg mechanism 6 that is arranged on girder 4 bottoms and hydraulic pressure and electrical control system.Below specifically each mechanism is described in detail:
many modular cart 1 longitudinal arrangements also are provided with two row, be provided with modular cart in two row modular cart 1 between two modular cart 1 arranged side by side and connect system, modular cart connect system comprise two can the along continuous straight runs folding pull bar 10.Before and after the vehicle frame of modular cart 1 and left and right sides all establish the connection holes position, can left and right and front and back assembled, so just can realize the demand of different platform size, different deadweight tonnages.Totally 4 of the modular cart 1 adopted in the present embodiment, 2 main 2 from, every is 2 file 4 axis carrying platforms.
the technical characteristics of modular cart 1 is as follows:
hydraulic drive: each drive axle hangs, drives, turns to, the vehicle frame leveling all adopts hydraulic drive;
micro-electric control: by micro-electric control, solve " poor power differential " and " skidding " problem that drive system occurs in motion at random;
independent suspension: vehicle is when the fluctuating road traveling, and each hanging oil cylinder can be adjusted voluntarily, and car body is held stationary substantially;
independent steering: each hangs and can freely turn round, realize that car load is kept straight on, the Eight characters turns to, with certain angle diagonal, walk crosswise and the multiple pattern that turns to such as original position revolution;
and car function: can realize vertical and horizontal car function;
modularized design, can carry out various combination to satisfy the demand according to goods profile and weight, and engineering can be used as large part haulage vehicle after finishing, and comprehensive utilization ratio is high;
handling capacity is strong, can meet city Ordinary Rd transportation.
the important technological parameters of modular cart 1 is as follows:
applicable road surface: the graded broken stone road surface of cement, pitch and compacting;
vehicle width: two files≤3200mm;
the speed of a motor vehicle: the unloaded speed of a motor vehicle 5 km/h～12 km/h,
the heavy duty speed of a motor vehicle 3 km/h～7 km/h,
fine motion speed 0km/h～0.2km/h,
single suspended load quality :～13,714kg;
adapt to the gradient: longitudinal gradient ± 3%,
horizontal wall inscription (containing open roof) ± 4%;
tire specification/quantity: 7.5R15/336;
wheel rim specification/quantity: 6.0-15/336;
platform extreme lower position (heavy duty): 850 mm;
lifting platform total kilometres: 520mm.
be respectively arranged with load-sharing girder 2 on every modular cart 1, load-sharing girder 2 is box structure, and the load that top is transmitted is dispensed to each and hangs, and strengthens the vertical rigidity of car body simultaneously; It is, to guarantee resistance to overturning, on every load-sharing girder 2, to be provided with support bracket 20 to connecting in length and breadth that many load-sharing girders 2 are provided with each other.
specifically: jacking column 30 comprises the box-shaped sections piece 300 that several stack gradually along short transverse, connect and compose successively mutually the structure of pillar by bolt between box-shaped sections piece 300, offer the first pin-and-hole on each box-shaped sections piece 300, on jacking auxiliary frame 32, the position of corresponding the first pin-and-hole offers the second pin-and-hole, between the first pin-and-hole, the second pin-and-hole, can fix by bearing pin, its underpart is bearing in load-sharing girder 2 end faces, upper support girder 4; Jacking auxiliary frame 32 can fix with each box-shaped sections piece 300; Hydraulic jack 33 is provided with two, is arranged on the support bracket 20 of load-sharing girder 2.
supporting vertical shift governor motion 5 comprises supporting governor motion and sections vertical shift governor motion, and each sections piece of concrete segment piece is provided with two groups of supporting governor motions, and every girder 4 is provided with a sections vertical shift governor motion.The supporting governor motion comprises and is arranged on girder 4 tops and the dolly 50 that can move along girder 4 length directions, is arranged on dolly 50 tops and the traversing slide block 57 that can move along girder 4 left and right directions, is arranged on traversing slide block 57 and can be along the jack 51 of short transverse lifting; Be provided with sideslip oil cylinder 58 on dolly 50, sideslip oil cylinder 58 acts on traversing slide block 57.Sections vertical shift governor motion comprises closed chain system, and chain system comprises chain 55, the driving reductor 56 of chain drive-belt 55 transmissions.Chain system can drive dolly 50 to move, and on dolly 50, is provided with for controlling its lockable mechanism whether moved of chain system drive, and when lockable mechanism locks, chain system drives dolly 50 to move.
specifically: lockable mechanism comprises locking sprocket wheel 52, crank depression bar 53 and locking pawl 54, locking sprocket wheel 52 is meshed with chain 55, crank depression bar 53 is in transmission connection mutually with locking pawl 54, when locking pawl 54 does not lock mutually with locking sprocket wheel 52, locking sprocket wheel 52 is by the driving rotation of chain system; When locking pawl 54 locks mutually with locking sprocket wheel 52, locking sprocket wheel 52 moves by the driving dolly 50 of chain system.
hydraulic pressure and electrical control system: wherein: hydraulic system is except the modular cart hydraulic system, supporting 3 kind of 20 cover of bridging car, can be divided into supporting regulator solution pressing system (13 cover), supporting leg hydraulic system (2 cover), jacking hydraulic system (2 cover), girder bracing folding hydraulic system (3 cover) by function.20 supporting cover hydraulic systems of bridging car all adopt electronic control, between all pumping plants in hydraulic system and the oil cylinder of its control, all adopt A type pressing type rubber hose coupling, socket-welding fitting to be connected; Vertical machine used all adopts Y-series (degree of protection IP44) threephase asynchronous, rated voltage 380V, rated frequency 50Hz; Various valve element used (solenoid operated directional valve, electromagnetic relief valve) and displacement transducer all adopt direct current 24V.
electric and control system: modular cart is by diesel engine drives, and other mechanism is driven by power with the diesel-driven generator power supply, and control mode adopts Digiplex to control and wire control board control.All electrical control cubicles are water proof types; Cable all has the cable channel protection, and it is the Flame-Retardant and Oil-Resistant cable that cable adopts mine cable; Motor, sensor degree of protection are IP55, and limit switch adopts additional safeguard procedures; All cable connectors all pass through encapsulation process.
below the concrete course of work of setting forth lower the present embodiment:
as shown in Figure 13-25: when carrying out the construction of concrete beam piece, car load is by support leg mechanism 6 supportings, and two pier studs 7 lay respectively between connecting rod 40,41 and connecting rod 44,45; After completing construction, supporting oil cylinder 63 reduces, and girder 4 is directly stressed on lifting body 3, and now girder 4 is bearing on jacking column 30; Open connecting rod 41,45 and pull bar 10, car load moves; Close connecting rod 41,42 and pull bar 10, open connecting rod 42 and pull bar 11, car load moves; Close connecting rod 42 and pull bar 11, open connecting rod 43 and pull bar 12, car load moves; Close connecting rod 43 and pull bar 12, open connecting rod 40,44 and pull bar 13, car load moves; Close connecting rod 40,44 and pull bar 13, displacement completes, and next group pier stud 7 lays respectively between connecting rod 40,41 and connecting rod 44,45; Supporting oil cylinder 63 raises, and car load is again by support leg mechanism 6 supportings.
below the concrete course of work of setting forth lifting body 3 in lower the present embodiment:
as shown in Fig. 5-9: initial position, jacking auxiliary frame 32 locks mutually with the most next box-shaped sections piece 300, in the time of need be descended, remove the locking of jacking auxiliary frame 32 and the most next box-shaped sections piece 300, hydraulic jack 33 drives the height of a box-shaped sections piece 300 of jacking auxiliary frame 32 risings, and lock mutually with a upper box-shaped sections piece 300, the most next box-shaped sections piece 300 removes, the height of a box-shaped sections piece 300 of hydraulic jack 33 declines, a upper box-shaped sections piece 300 becomes the most next, repeat said process, complete the decline process, when needs carry out jacking, otherwise operation gets final product.
below the concrete course of work of setting forth supporting vertical shift governor motion 5 in lower the present embodiment:
as shown in Figure 10-12: when crank depression bar 53 does not press down, locking pawl 54 does not block locking sprocket wheel 52, and locking sprocket wheel 52 rotates with chain 55, and dolly 50 is motionless; After crank depression bar 53 presses down, locking pawl 54 blocks locking sprocket wheel 52, and dolly 50 moves with chain 55, now, can be transported the concrete beam piece.
above-described embodiment is only explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (5)
1. the lifting body of a bridging car, it is characterized in that: described lifting body comprises the jacking column that is arranged on bridging car load-sharing girder top, the lift adjustment part on bridging car load-sharing girder top is set and is arranged on described lift adjustment part top, is set in the jacking auxiliary frame of described jacking column outside, described jacking column comprises the box-shaped sections piece that several stack gradually along short transverse, and described jacking auxiliary frame can fix with each described box-shaped sections piece.
2. the lifting body of bridging car according to claim 1, it is characterized in that: bridging car load-sharing girder top is provided with support bracket, and described lift adjustment part is arranged on described support bracket.
3. the lifting body of bridging car according to claim 2, it is characterized in that: described lift adjustment part is hydraulic jack, described hydraulic jack is provided with two.
4. the lifting body of bridging car according to claim 1, it is characterized in that: on each described box-shaped sections piece, offer the first pin-and-hole, on described jacking auxiliary frame, the position of corresponding described the first pin-and-hole offers the second pin-and-hole, between described the first pin-and-hole, the second pin-and-hole, can fix by bearing pin.
5. the lifting body of bridging car according to claim 1, is characterized in that: between described box-shaped sections piece, by bolt, connect successively mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220580176 CN202913361U (en) | 2012-11-06 | 2012-11-06 | Jacking mechanism of bridging vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220580176 CN202913361U (en) | 2012-11-06 | 2012-11-06 | Jacking mechanism of bridging vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202913361U true CN202913361U (en) | 2013-05-01 |
Family
ID=48161684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220580176 Expired - Lifetime CN202913361U (en) | 2012-11-06 | 2012-11-06 | Jacking mechanism of bridging vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202913361U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064219A (en) * | 2015-07-22 | 2015-11-18 | 山东恒堃机械有限公司 | Mobile framework moving trolley |
| CN108677720A (en) * | 2018-05-22 | 2018-10-19 | 北京城建远东建设投资集团有限公司 | Lifting Equipment and lifting components jack erection construction technique |
-
2012
- 2012-11-06 CN CN 201220580176 patent/CN202913361U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064219A (en) * | 2015-07-22 | 2015-11-18 | 山东恒堃机械有限公司 | Mobile framework moving trolley |
| CN108677720A (en) * | 2018-05-22 | 2018-10-19 | 北京城建远东建设投资集团有限公司 | Lifting Equipment and lifting components jack erection construction technique |
| CN108677720B (en) * | 2018-05-22 | 2019-11-19 | 北京城建远东建设投资集团有限公司 | Lifting components jack erection construction technique |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130501 |
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| CX01 | Expiry of patent term |