CN204780623U - Large -tonnage girder steel hydraulic pressure synchronization of jacking up construction equipment - Google Patents
Large -tonnage girder steel hydraulic pressure synchronization of jacking up construction equipment Download PDFInfo
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- CN204780623U CN204780623U CN201520486148.0U CN201520486148U CN204780623U CN 204780623 U CN204780623 U CN 204780623U CN 201520486148 U CN201520486148 U CN 201520486148U CN 204780623 U CN204780623 U CN 204780623U
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- hydraulic
- girder steel
- intermediate plate
- jack
- steel
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Abstract
The utility model relates to a bridge girder steel construction and installation field, concretely relates to large -tonnage girder steel hydraulic pressure synchronization of jacking up construction equipment, locate to set up interim hoisting point through adopting at fixed bearing structure, through the synchronous lifting jack of hydraulic pressure along interim jacking hoist and mount steel strand wires jacking hoist and mount, the jacking jack is installed on waiting to promote the girder steel, promote the case setting on fixed bearing structure, adopt two or many hydraulic jack synchronization of electric automatic centralized control system and hydraulic system control along the steel strand wires of fixed mounting on promoting the case, the mode that draws high the girder steel realizes the installation of bridge large -tonnage girder steel. Compare in present lifting device, this kind of equipment can make that the distance of girder steel installation is longer, the hoist and mount tonnage is bigger, the process is more high -efficient, more safely, put in place more accurate, and easy operation.
Description
Technical field
The utility model relates to a kind of bridge girder steel mounting and construction equipment, particularly a kind of large-tonnage girder steel hydraulic synchronization lifting construction equipment.
Background technology
In the installation of bridge girder steel, current bridge steel girder erection adopts the lifting appliance liftings such as cable crane vertical-lift, crane barge lifting or crawler crane usually, the equipment build that described method adopts not easily is installed comparatively greatly, in operation complicated operation, not high, the poor stability of accuracy is installed, and hoisting height is limited, and the limited lifting that cannot reach up to ten thousand tons of lifting tonnage.
Currently available technology also has the construction method adopting the jacking of continuance lifting hydraulic jack, is generally jack to be placed in the upper or jack of arch to be placed at the bottom of beam, promotes girder perch install by the continuous and adjustable of jack piston;
When jack is placed in and encircles upper:
General bridge arch rib span is all larger, and being in high-altitude, need arrange special transfer equipment in addition when jack and hydraulic oil pump are transferred to next station or mechanism carries out work high above the ground, jack is installed very inconvenient, transfer efficiency is low, security threat is large, simultaneously less economical;
When jack is placed at the bottom of beam:
Need separately arrange temporary steel twisted wire passing hole in girder steel agent structure, destroy agent structure performance, economy is poor;
Jack height, more than 2m, installs comparatively difficulty at the bottom of beam; Must keep more than 2m space at the bottom of beam when jack is installed simultaneously, causing girder steel to transport when putting in place need can install jack by girder steel more than lifting 2m, needs to adopt equipment lifting girder steel in addition after girder steel to scene, security threat is large, less economical, efficiency of construction is low, and operation is inconvenience also.
The weak point of current existence is: complicated operation, and installation accuracy is not good, and safe operation process is poor, and hoisting height is limited, less economical with lifting tonnage, the shortcoming that efficiency of construction is low.
Utility model content
When the purpose of this utility model is for employing continuance lifting hydraulic jack raising method jacking girder steel existing in prior art, the complicated operation brought when being placed in by jack at the bottom of the upper or beam of arch, installation accuracy is not good, safe operation process is poor, hoisting height and the limited deficiency of lifting tonnage: provide a kind of large-tonnage girder steel hydraulic synchronization lifting construction equipment, this jack-up construction equipment operating is simple, top lifting height is higher, jacking tonnage is larger, method of operating is safer, installation accuracy is high, better economy.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of large-tonnage girder steel hydraulic synchronization lifting construction equipment, comprises at least four group group lifting pieces be connected on girder steel to be hoisted, wherein often organizes institute's lifting piece and comprises:
First interim hanger, the described first interim hanger is arranged on the fixed support structure on position to be hoisted, and the described first interim hanger is fixedly connected with lift tank;
Several second interim hangers, described in several, the second interim hanger is arranged on steel beam surface to be hoisted;
At least two steel suspender belts, its one end is all connected on the described second interim hanger of steel beam surface, and the other end is connected on jacking bearing;
Hydraulic jack, described hydraulic jack is arranged at jacking bearing lower end, and described hydraulic jack comprises upper end intermediate plate, lower end intermediate plate and displacement transducer, and the through hole of described hydraulic jack aligns with the through hole of described jacking bearing;
Hydraulic power unit, described hydraulic power unit is connected with electric automatic control case with hydraulic jack;
Lifting steel strand, one end of described lifting steel strand is fixedly connected with lift tank, after the other end of described lifting steel strand passes the through hole of jacking bearing and the through hole of hydraulic jack, is fixed by upper end intermediate plate that hydraulic jack is arranged and lower end intermediate plate;
By lifting steel strand, first hanger is connected with jacking bearing and hydraulic jack with lift tank, again by the steel suspender belt that jacking bearing is arranged, girder steel to be hoisted is fixedly connected with jacking bearing by the steel suspender belt is provided with second interim hanger, the fixed support structure realized on position to be hoisted is connected with between girder steel to be hoisted, coordinates by hydraulic power unit and the upper end intermediate plate arranged in hydraulic jack and lower end intermediate plate the lifting realizing girder steel to be hoisted.Adopt this structure, by the control of electrical equipment automatic control box to the movable piston in hydraulic jack, upper end intermediate plate and lower end intermediate plate, stretch lifting steel strand, promote jacking girder steel, operation is installed simple, and installation accuracy is high, range of lift is large, improves efficiency of construction.
Preferably, the described first interim hanger is fixedly connected with described fixed support structure by bolt.Adopt this structure, conveniently carry out installation and removal on required jacking position.
Preferably, the described second interim hanger is fixedly connected with the beam face of girder steel to be hoisted by bolt.Adopt this structure, conveniently on the girder steel treating jacking, carry out installation and removal.
Preferably, described hydraulic power unit comprises intermediate plate hydraulic power unit and jack hydraulic pumping plant, described intermediate plate hydraulic power unit is connected with the upper end intermediate plate in hydraulic jack and lower end intermediate plate, and the upper end intermediate plate controlled in multiple hydraulic jack and lower end intermediate plate, described jack hydraulic pumping plant is connected with jack, and the movable piston controlled in multiple hydraulic jack, described intermediate plate hydraulic power unit is all connected with electric automatic control case with jack hydraulic pumping plant.Adopt this structure, by the control of electric automatic control case opposing clip hydraulic power unit and jack hydraulic pumping plant, movable piston duty in upper end intermediate plate, lower end intermediate plate and hydraulic jack in allotment hydraulic jack, lifting steel strand are stretched, make operating process simple, improve operating efficiency.
compared with prior art, the beneficial effects of the utility model are:
A kind of large-tonnage girder steel hydraulic synchronization lifting construction equipment described in the utility model, by lifting steel strand, first hanger is connected with jacking bearing and hydraulic jack with lift tank, by the steel suspender belt that jacking bearing is arranged, girder steel to be hoisted is fixedly connected with jacking bearing by the steel suspender belt is provided with second interim hanger, the fixed support structure realized on position to be hoisted is connected with between girder steel to be hoisted, coordinates by hydraulic power unit and the upper end intermediate plate arranged in hydraulic jack and lower end intermediate plate the lifting realizing girder steel to be hoisted.Adopt this equipment to reach simple to operate, it is convenient that equipment is installed, portable strong effect.
Accompanying drawing explanation
Fig. 1 is the lateral view of one group of equipment.
Fig. 2 is electrical equipment automatic control box control flow chart.
Fig. 3 duty front view.
The sectional view of Fig. 4 arch rib.
The plan view of Fig. 5 jacking girder steel.
The plan view of Fig. 6 duty.
Mark in figure: the interim hanger-102 of girder steel-101, the second to be hoisted, steel suspender belt-103, hydraulic jack-104, jacking bearing-105, lifting steel strand-106, lift tank-107, the first interim hanger-108, arch rib erection-109, upper end intermediate plate-110, lower end intermediate plate-111, movable piston-112, electrical equipment automatic control box-201, intermediate plate hydraulic power unit-202, jack hydraulic pumping plant-203, displacement transducer-204, the first screw-401, the second screw-501.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
embodiment 1
As shown in accompanying drawing 1 to 6, this large-tonnage girder steel hydraulic synchronization lifting construction equipment, comprise the steps: that four drift angle faces on girder steel 101 the same face to be hoisted have four the second screws 501 respectively, each drift angle face is respectively arranged with two second interim hangers 102, each second interim hanger 102 is fixedly connected with the second screw 501 by bolt.
Horizontal adjacent two second interim hangers 102 arrange steel suspender belt 103, two steel suspender belts 103 respectively a jacking bearing 105 is fixed on girder steel 101 upper end to be hoisted in splayed;
Jacking bearing 105 is provided with hydraulic jack 104, displacement transducer 204 is provided with in hydraulic jack 104 pushes up, hydraulic jack 104 and jacking bearing 105 are equipped with through hole, and through hole alignment connects, and hydraulic jack 104 is provided with intermediate plate hydraulic power unit 202, jack hydraulic pumping plant 203 and electrical equipment automatic control box 201;
First interim hanger 108 is fixedly connected with the first screw 401 on mounted arch rib 109 by bolt, and the first interim hanger 108 lower end is provided with lift tank 107, and lift tank 107 is fixedly connected with one end of lifting steel strand 106;
By the other end of lifting steel strand 106 through after the through hole of jacking bearing 105 and hydraulic jack 104, be fixed by upper end intermediate plate 110 that hydraulic jack 104 is arranged and lower end intermediate plate 111.
To the distance of jacking be needed to be set in advance in a program by programmable control system before startup electrical equipment automatic control box 201, set rear startup electrical equipment automatic control box 201, electric automatic control case 201 is sent to intermediate plate hydraulic power unit 202 control signal, jack hydraulic pumping plant 203, now intermediate plate hydraulic power unit (202) 202 controls the unlocking operation that upper end intermediate plate 110 is decontroled lifting steel strand 106, the locking operation that lower end intermediate plate 111 clamps lifting steel strand 106, movable piston 112 simultaneously in jack hydraulic pumping plant 203 hydraulic control jack 104 is extrapolated,
Now lift steel strand 106 to be stretched by the movable piston 112 of hydraulic jack 104 with lower end intermediate plate 111 clamping place, with the stretching of lifting steel strand 106, girder steel 101 to be hoisted vertically promotes;
When extrapolated 20 centimetres of the movable piston 112 of hydraulic jack 104, control signal is sent to electrified automatic control box 201 by the displacement transducer 204 be arranged in hydraulic jack 104, after electrified automatic control box 201 receives signal, respectively to intermediate plate hydraulic power unit 202, jack hydraulic pumping plant 203 transfer control signal;
Now intermediate plate hydraulic power unit 202 controls upper end intermediate plate 110 and clamps, lower end intermediate plate 111 is decontroled, movable piston 112 simultaneously in jack hydraulic pumping plant 203 hydraulic control jack 104 is inwardly retracted, complete a single cycle, the while of hydraulic jack 104, repeatedly cycling realizes the lifting of girder steel 101 to be hoisted.
When girder steel 101 to be hoisted is in place, Non-follow control can be switched to by automatically running, realizing girder steel fine setting in place, error can be made to be less than 2mm.
As shown in accompanying drawing 3 and accompanying drawing 6, have employed 8 groups of equipment in the present embodiment and the carrying out of girder steel 101 to be hoisted is lifted simultaneously.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a large-tonnage girder steel hydraulic synchronization lifting construction equipment, is characterized in that, comprises at least four group lifting pieces be connected on girder steel to be hoisted (101), wherein often organizes institute's lifting piece and comprises:
First interim hanger (108), the described first interim hanger (108) is arranged on the fixed support structure on position to be hoisted, and the described first interim hanger (108) is fixedly connected with lift tank (107);
Several second interim hangers (102), the second interim hanger (102) described in several is arranged on girder steel to be hoisted (101) surface;
At least two steel suspender belts (103), its one end is all connected on the described second interim hanger (102) on girder steel (101) surface, and the other end is connected on jacking bearing (105);
Hydraulic jack (104), described hydraulic jack (104) is arranged at jacking bearing (105) lower end, described hydraulic jack (104) comprises upper end intermediate plate (110), lower end intermediate plate (111) and displacement transducer (204), and the through hole of described hydraulic jack (104) aligns with the through hole of described jacking bearing (105);
Hydraulic power unit, described hydraulic power unit is connected with electric automatic control case (201) with hydraulic jack (104);
Lifting steel strand (106), one end of described lifting steel strand (106) is fixedly connected with lift tank (107), the other end of described lifting steel strand (106) is through after the through hole of jacking bearing (105) and the through hole of hydraulic jack, and the upper end intermediate plate (110) above arranged by hydraulic jack (104) and lower end intermediate plate (111) are fixed;
By lifting steel strand (106), first hanger (108) is connected with jacking bearing (105) and hydraulic jack (104) with lift tank (107), again by the upper steel suspender belt (103) arranged of jacking bearing (105), girder steel to be hoisted (101) is fixedly connected with jacking bearing (105) by the steel suspender belt (103) is provided with second interim hanger (102), the fixed support structure realized on position to be hoisted is connected with between girder steel to be hoisted (101), the lifting realizing girder steel to be hoisted (101) is coordinated by the upper end intermediate plate (110) that arranges in hydraulic power unit and hydraulic jack (104) and lower end intermediate plate (111).
2. large-tonnage girder steel hydraulic synchronization lifting construction equipment according to claim 1, is characterized in that, the described first interim hanger (108) is fixedly connected with described fixed support structure by bolt.
3. large-tonnage girder steel hydraulic synchronization lifting construction equipment according to claim 1, is characterized in that, the described second interim hanger (102) is fixedly connected with by the beam face of bolt with girder steel to be hoisted (101).
4. large-tonnage girder steel hydraulic synchronization lifting construction equipment according to claim 1, it is characterized in that, described hydraulic power unit comprises intermediate plate hydraulic power unit (202) and jack hydraulic pumping plant (203), described intermediate plate hydraulic power unit (202) is connected with the upper end intermediate plate (110) in hydraulic jack (104) and lower end intermediate plate (111), and the upper end intermediate plate (110) controlled in multiple hydraulic jack (104) and lower end intermediate plate (111) are locked or are unlocked on steel strand, described jack hydraulic pumping plant (203) is connected with hydraulic jack (104), and the movable piston (112) controlled in multiple hydraulic jack (104), described intermediate plate hydraulic power unit (202) is all connected with electric automatic control case (201) with jack hydraulic pumping plant (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520486148.0U CN204780623U (en) | 2015-07-07 | 2015-07-07 | Large -tonnage girder steel hydraulic pressure synchronization of jacking up construction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520486148.0U CN204780623U (en) | 2015-07-07 | 2015-07-07 | Large -tonnage girder steel hydraulic pressure synchronization of jacking up construction equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204780623U true CN204780623U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520486148.0U Withdrawn - After Issue CN204780623U (en) | 2015-07-07 | 2015-07-07 | Large -tonnage girder steel hydraulic pressure synchronization of jacking up construction equipment |
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| Country | Link |
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| CN (1) | CN204780623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947598A (en) * | 2015-07-07 | 2015-09-30 | 中铁二局股份有限公司 | Large tonnage girder hydraulic synchronization lifting-up construction equipment and method |
-
2015
- 2015-07-07 CN CN201520486148.0U patent/CN204780623U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947598A (en) * | 2015-07-07 | 2015-09-30 | 中铁二局股份有限公司 | Large tonnage girder hydraulic synchronization lifting-up construction equipment and method |
| CN104947598B (en) * | 2015-07-07 | 2016-08-17 | 中铁二局工程有限公司 | A kind of large-tonnage girder steel hydraulic synchronization lifting construction equipment and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160104 Address after: Jinniu District Kam Tong Road Chengdu city Sichuan province 610031 No. 16 Patentee after: CHINA RAILWAY NO.2 BUREAU ENGINEERING CO., LTD. Address before: 610041, No. nine, No. 156, building B, high building, Xing Xing Road, Chengdu hi tech Zone, Sichuan Patentee before: China Railway Erju Co., Ltd. Patentee before: China Railway Erju 5th Engineering Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20151118 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |