CN201678949U - Walking type pushing device - Google Patents
Walking type pushing device Download PDFInfo
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- CN201678949U CN201678949U CN2010201386938U CN201020138693U CN201678949U CN 201678949 U CN201678949 U CN 201678949U CN 2010201386938 U CN2010201386938 U CN 2010201386938U CN 201020138693 U CN201020138693 U CN 201020138693U CN 201678949 U CN201678949 U CN 201678949U
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Abstract
The utility model relates to a walking type pushing device comprising a sliding box, a slideway, a translational jack, a lifting jack and a deviation rectifying jack component, wherein the sliding box comprises sliding box main body units and sliding box main body connectors for connecting the sliding box main body units; movable connection by bolts is adopted between the slide main body units, between the sliding box main units and the sliding box main body connectors and between the sliding box main body connectors; the slideway comprises slideway main units and slide main body connectors, and movable connection by bolts is adopted between the slideway main units, between the slideway main units and the slideway main body connectors and between the slideway main body connectors; the sliding box is in a top-bottom structure and entirely arranged on the slideway; and the lifting jack is mounted in a lifting jack mounting cylinder positioned on the slideway, the translational jack is mounted on a translational jack mounting plate positioned on the slideway, and the deviation rectifying jack component is mounted on a deviation rectifying jack mounting frame positioned on the slideway. The walking type pushing device has the characteristics of high generality, convenient construction and low cost when being used for pushing construction of a bridge main beam.
Description
Technical field
The utility model relates to a kind of bridge construction equipment, particularly a kind of bridge main beam construction thrustor.
Background technology
Steel case beam is owing to its light in structure, intensity height, find broad application in the Longspan Bridge construction at home and abroad, existing job practices generally adopts the way of successively incremeantal launching method or towing, its pushing tow trailer system belongs to ZL series automatic continuous jacking system, steel case beam or concrete beam need be reinforced with external tendon temporarily when constructing for the way of successively incremeantal launching method or towing, need external tendon is removed after forming bridge, working procedure is loaded down with trivial details, and the bridge construction cost increases; The interim simultaneously bracket that is provided with produces stress to beam and concentrates, and needs that beam is carried out the part and strengthens; Qi Dong horizontal thrust or pulling force are unfavorable to the force status of flexible pier repeatedly; Adopt the form of steel strand traction in addition, one section of every pushing tow, steel strand need be reinstalled, construction inconvenience.
For overcoming the problem that above-mentioned prior art exists, notice of authorization number is CN100503980C, denomination of invention for the thrustor that uses in " multi-point pushing steel box girder construction worker method " disclosed job practices is, the tooth plate of spline is set at steel case beam and nose girder web, utilize the pushing tow jack that jacking force is provided, wherein the piston rod of pushing tow jack is provided with slide block, slide block is provided with the sour jujube piece and the control spring thereof on band inclined-plane, its inclined-plane is positioned at the very heavy top side of pushing tow, utilize pushing tow jack rise that steel case beam and nose girder are applied jacking force, teeth groove is withdrawed from backhaul then sour jujube piece, enters next rise.But still have the following disadvantages: need the tooth plate of processing belt teeth groove and the slide block of pushing tow jack piston boom end, pushing tow will be removed tooth plate after finishing, and cost increases.
Summary of the invention
The purpose of this utility model is to provide a kind of walking thrustor, when the girder that builds a bridge adopts this walking thrustor to carry out incremental launching construction, girder does not need extra reinforcing, it is interim by primary structure member also not need on girder to install other, steel case beam or concrete beam by pushing tow are injury-free, the jacking force that thrustor applied simultaneously only is the internal force of device itself, bridge pier is not subjected to horizontal thrust, as long as it coordinate the control jack by control system, just can accurately and efficiently back be pushed away in place, to solve the problems referred to above that prior art exists.
The technical scheme that addresses the above problem is: a kind of walking thrustor comprises sliding case, slideway, translation jack, jacking jack and correction jack assembly;
Described sliding case is a tetragonal supporting body, form with the sliding box main body connector that is connected sliding box main body unit by the sliding box main body unit that is positioned at the frame angle, described each sliding box main body unit comprises sliding box main body steel work, corrosion resistant plate, pushing tow ear and translation guide strip, have bolt hole on the main body steel work of sliding box main body unit and the sliding box main body connector, between the sliding box main body unit, between sliding box main body unit and the sliding box main body connector or each slide between box main body connector and flexibly connect by bolt;
Described slideway is made up of slideway main unit, slideway main body connector, the slideway main unit includes correction jack installing rack, tetrafluoro skateboard component, jacking jack installation tube, translation jack installing plate and slideway main body steel work, have bolt hole on the ledge of slideway main body steel work and the slideway main body connector, between the slideway main unit, between slideway main unit and the slideway main body connector or flexibly connect by bolt between each slideway main body connector;
Sliding case integral body is placed on the slideway, be structure up and down, the jacking jack is installed in the jacking jack installation tube, the translation jack that are positioned on the slideway and is installed on the translation jack installing plate that is positioned on the slideway, and the correction jack assembly is installed on the correction jack installing rack that is positioned on the slideway;
Described sliding box main body connector comprises 2m laterally sliding box main body connector and 2n vertically sliding box main body connector;
Described slideway main body connector comprises 2p transverse slipway main body connector and 2q end slipway main body connector;
The span of m, n, p, q is: m, n, p, q are respectively the arbitrary integer between 0～100.
Its further technical scheme is:
The sliding box main body steel work of described sliding box main body unit is a hollow steelframe that is assembled into by 4 hollow frames, comprise bearing part that constitutes by 1 trapezoidal or quadrangle and 1 rectangle hollow frame and the coupling part that constitutes by two rectangle hollow frames, on the ledge of coupling part bolt hole is arranged, sliding box main body unit is by flexibly connecting by bolt between this coupling part and sliding box main body unit or the sliding box main body connector, corrosion resistant plate is positioned at the bottom, bearing part of sliding box main body steel work, pushing tow ear as Force transmission parts is separately fixed on two coupling parts of sliding box main body unit, and the guided in translation plate is fixed on the outside of each sliding box main body steel work, be positioned at the left and right sides of sliding case.
Described slideway main unit is to be the center with jacking jack installation tube, the slideway main body steel work that is made of I-shaped steel plate is installed on its four direction symmetrically, correction jack installing rack is installed on the slideway main body steel work on one side of jacking jack installation tube, on the slideway main body steel work of the another side of Dui Cheng jacking jack installation tube translation jack installing plate is installed with it, the tetrafluoro skateboard component is installed in the top of jacking jack installation tube.
The described correction jack assembly that is installed on the correction jack installing rack comprises the square framework, is installed in correction jack, anti-rotation guide peg, turning rolls and the roller of square framework one side successively, roller is installed in the turning rolls, turning rolls is connected with the piston of correction jack, also can moves with piston is flexible, one of anti-rotation guide peg is connected with turning rolls, sliding in the groove of square framework in the other end, rotates to prevent turning rolls.
]Walking thrustor of the present utility model has following beneficial effect:
1, the utility model walking thrustor adopts the sliding friction form, makes overall structure become more compact, has guaranteed the stability and the safety of total in the running simultaneously; Thereby, when building a bridge, adopt the walking thrustor of the utility model to carry out incremental launching construction, do not needed interim reinforcing by the steel case beam of pushing tow or concrete beam, girder is injury-free during pushing tow, and bridge pier is not subjected to horizontal thrust, and jacking force only is the internal force of device own; As long as it coordinate the control jack by control system, just can accurately and efficiently back be pushed away in placely, need not adopt bracket, tooth plate, also need not adopt steel strand, thrustor can use highly versatile repeatedly in different engineerings, easy construction can reduce the bridge construction cost greatly.
2, the jacking jack places under the slideway, is convenient to monitor and control the pressure and the height of jack, to satisfy the actual needs of engineering; And the translation jack is built-in, and not only overall structure is stressed more reasonable, and as long as the translation jack installing plate (connecting with bolt) on the slideway is pulled down, just can easily change the translation jack.
3, whole thrustor adopts the modular construction design, has certain versatility, by sliding box main body connector of removable parts or slideway main body connector, can be fit to the girder pushing tow of different sizes; And can carry out disassembly and assembly, the place that constructed,
[0011]Transfer to new building site after the dismounting again, repeat assembling and use, both saved cost, convenient again transportation.
Be described further below in conjunction with the technical characterictic of drawings and Examples the walking thrustor of the utility model.
Description of drawings
Fig. 1-1～Fig. 1-the 4th, walking thrustor general structure schematic diagram:
Fig. 1-1: front view, Fig. 1-2: vertical view, Fig. 1-3: left view, Fig. 1-4: stereogram;
Fig. 2-1～Fig. 2-the 4th, the sliding box structure schematic diagram of walking thrustor:
Fig. 2-1: front view, Fig. 2-2: vertical view, Fig. 2-3: left view, Fig. 2-4: stereogram;
Fig. 3-1～Fig. 3-the 4th, the sliding box main body block construction schematic diagram of walking thrustor:
Fig. 3-1: front view, Fig. 3-2: vertical view, Fig. 3-3: left view, Fig. 3-4: stereogram;
Fig. 4-1～Fig. 4-the 4th, the slideway structure schematic diagram of walking thrustor:
Fig. 4-1: front view, Fig. 4-2: vertical view, Fig. 4-3: left view, Fig. 4-4: stereogram;
Fig. 5-1～Fig. 5-the 5th, the slideway main unit structural representation of walking thrustor:
Fig. 5-1: front view, Fig. 5-2: vertical view, Fig. 5-3: left view, Fig. 5-4: stereogram,
Fig. 5-5: remove the stereogram behind the translation jack installing plate;
Fig. 6-1～Fig. 6-the 3rd, correction jack assembly structural representation:
Fig. 6-1: front view, Fig. 6-2: vertical view, Fig. 6-3: stereogram;
Fig. 7-1～Fig. 7-the 4th has the walking thrustor general structure schematic diagram of vertical sliding box main body connector:
Fig. 7-1: front view, Fig. 7-2: vertical view, Fig. 7-3: left view, Fig. 7-4: stereogram;
Fig. 8-1～Fig. 8-the 4th has the sliding box structure schematic diagram of vertical sliding box main body connector:
Fig. 8-1: front view, Fig. 8-2: vertical view, Fig. 8-3: left view, Fig. 8-4: stereogram;
Fig. 9-1～Fig. 9-the 5th, walking thrustor are used for jacking and pushing bridge girder section step schematic diagram:
Fig. 9-1: thrustor is installed,
Fig. 9-2: jacking bridge main beam section,
Fig. 9-3: the bridge main beam section is moved forward by pushing tow,
Fig. 9-4: transfer the bridge main beam section, bridge main beam section and bearing beam carry out the conversion of power system,
Fig. 9-5: the bridge main beam section segment distance that moved forward, thrustor is got back to initial position.
Among Fig. 1-1～Fig. 8-4:
The sliding case of 1-, the sliding box main body of 11-unit, the sliding box main body steel work of 111-, 112-corrosion resistant plate, 113-pushing tow ear, 114-guided in translation plate, the laterally sliding box main body connector of 121-, the vertically sliding box main body connector of 122-;
2-slideway, 21-slideway main unit, 211-correction jack installing rack, 212-tetrafluoro skateboard component, 213-jacking jack installation tube, 214-translation jack installing plate, 215-slideway main body steel work, 221-transverse slipway main body connector, 222-end slipway main body connector, screw 23;
3-translation jack, 4-jacking jack, 5-correction jack assembly, the tetragonal framework of 51-, 52-correction jack, 53-anti-rotation guide peg, 54-turning rolls, 55 rollers; All the other label meanings are referring to describing among the manual embodiment among the figure.
Among Fig. 9-1～Fig. 9-5:
I-bearing beam, II-girder, IV-jacking jack, III-translation jack, V-jacking jack, VI-thrustor, VII-thrustor mounting platform.
The specific embodiment
A kind of walking thrustor, shown in Fig. 1-1～Fig. 1-4, described walking thrustor comprises sliding case 1, slideway 2, translation jack 3, jacking jack 4 and correction jack assembly 5 five parts.
Described sliding case 1 is a tetragonal supporting body, forms (referring to Fig. 2-1～Fig. 2-4) by 4 that are positioned at 4 jiaos on frame identical sliding box main body unit 11 with 2 that are connected sliding box main body unit 11 laterally sliding box main body connectors 121; Described each sliding box main body unit 11 comprises sliding box main body steel work 111, corrosion resistant plate 112, pushing tow ear 113 and translation guide strip 114, the sliding box main body steel work 111 of sliding box main body unit 11 is hollow steelframes that are assembled into by 4 hollow frames, comprise that 1 cross section is that right-angled trapezium and 1 cross section are the bearing part 111a that rectangular hollow frame constitutes, constitute coupling part 111b by two rectangle hollow frames, have bolt hole 13 on the ledge of coupling part 111b, sliding box main body unit 11 is by means of flexibly connecting (referring to Fig. 3-1～Fig. 3-4) by bolt between this coupling part 111b and the laterally sliding box main body connector 121; As equivalents, the hollow frame that described structure cross section is a right-angled trapezium also can be that cross section is rectangle or rectangular hollow frame.
Corrosion resistant plate 112 is the level and smooth steel plates that fineness is high, is positioned at the bearing part 111a bottom of sliding box main body steel work 111, and its effect is to contact with slideway 2, to reduce friction.
Pushing tow ear 113 is Force transmission partses, be separately fixed on the two coupling part 111b of sliding box main body unit 11, translation jack 3 applied forces are delivered on the sliding case 1 by pushing tow ear 113, sliding case 1 is asking girder to slide on slideway again, the number of pushing tow ear 113 is decided as required, in the present embodiment, on each sliding box main body unit 11 2 pushing tow ears 113 are arranged.
Guided in translation plate 114 is fixed on each outside of sliding box main body steel work 111, is positioned at the left and right sides of sliding case, its effect is to provide track for correction jack roller, in walking thrustor pushing tow girder steel moving process, as sliding case skew is arranged, then utilize the correction jack to rectify a deviation.
Described slideway 2 is by 4 slideway main unit 21,2 transverse slipway main body connectors 221 and 2 end slipway main body connectors 222 are formed (referring to Fig. 4-1～Fig. 4-4), slideway main unit 21 comprises correction jack installing rack 211, tetrafluoro skateboard component 212, jacking jack installation tube 213, translation jack installing plate 214 and slideway main body steel work 215, described slideway main unit 21 is to be the center with jacking jack installation tube 213, the slideway main body steel work 215 that is made of I-shaped steel plate is installed on its four direction symmetrically, be positioned at jacking jack installation tube 213 slideway main body steel work 215a on one side and be correction jack installing rack 211, on the slideway main body steel work 215b of the another side of Dui Cheng jacking jack installation tube 213 translation jack installing plate 214 is installed with it, tetrafluoro skateboard component 212 is installed in the top (referring to Fig. 5-1～Fig. 5-5) of jacking jack installation tube 213; There is the installation junction plate 216 of band screw 23 on the top of the slideway main body steel work that the I-shaped steel plate on all directions constitutes, and slideway main unit 21 is installed junction plate 216 and 2 transverse slipway main body connectors 221 and 2 end slipway main body connectors 222 by means of this and flexibly connected (referring to Fig. 4-1～Fig. 4-4) by bolt; Tetrafluoro skateboard component 212 provides bearing surface for the slip of sliding case.
Sliding case 1 integral body is placed on the slideway 2, be structure up and down, jacking jack 4 is installed in the jacking jack installation tube 213, the translation jack 3 that are positioned on the slideway and is installed on the translation jack installing plate 214 that is positioned on the slideway 2, and correction jack assembly 5 is installed on the correction jack installing rack 211 that is positioned on the slideway 2 (referring to Fig. 1-1～Fig. 1-4).
The described correction jack assembly 5 that is installed on the correction jack installing rack 211 comprises tetragonal framework 51, is installed in correction jack 52, anti-rotation guide peg 53, turning rolls 54 and the roller 55 of framework 51 1 sides, roller is installed in the turning rolls, turning rolls is connected with the piston of correction jack, can follow the piston telescopic moving when needing correction.One of anti-rotation guide peg is connected with turning rolls, and one is slided in the groove of framework, prevents that turning rolls from rotating (referring to Fig. 6-1～Fig. 6-3).
It more than is a kind of embodiment of the present utility model, according to actual requirement of engineering, laterally the number of sliding box main body connector 121 also can increase to 4,6 ... until 2m, certainly, can not want horizontal sliding box main body connector 121 yet, directly laterally link to each other and will slide box main body; Equally, according to actual demands of engineering, sliding box main body also can have 2,4,6 between the unit ... until 2n vertically sliding box main body connector; The span of m, n is: m, n are respectively the arbitrary integer (referring to Fig. 7-1～Fig. 8-4) between 0～100; Laterally sliding box main body connector and vertically sliding box main body connector are referred to as sliding box main body connector; Between the sliding box main body unit, between sliding box main body unit and the sliding box main body connector or flexibly connect by bolt between each sliding box main body connector.
According to actual requirement of engineering, the number of transverse slipway main body connector 221 also can increase to 4,6 ... until 2p, certainly, can not want horizontal sliding box main body connector 221 yet, and the slideway main body is laterally directly being linked to each other; Equally, according to actual demands of engineering, also can there be 4,6 between the slideway main unit ... until 2q end slipway main body connector; Certainly, also can not want vertical sliding box main body connector 222, vertically directly linking to each other and will slide box main body, the span of p, q is: p, q are respectively the arbitrary integer between 0～100; Transverse slipway main body connector and end slipway main body connector are referred to as slideway main body connector; Between the slideway main body, between slideway main unit and the adjacent slideway main body connector, flexibly connect by bolt between each slideway main body connector.
Utilize walking thrustor described in the utility model, bridge main beam section (is example with steel case beam) is carried out section assembling and integral pushing when putting in place, it may further comprise the steps (referring to Fig. 9-1～Fig. 9-5):
A, installation thrustor VI (referring to Fig. 9-1):
Thrustor VI and bearing beam I are assembled on the thrustor mounting platform VII of bridge pier;
B, jacking steel case beam II (referring to Fig. 9-2):
Jacking jack IV is stretched cylinder to the stroke of setting by control system, with whole thrustor and steel case beam II jack-up, leaves bearing beam I one segment distance;
C, steel case beam II are by pushing tow reach (referring to Fig. 9-3);
Stretch cylinder by control system Synchronization Control translation jack III, promote sliding case 1 drive steel case beam II and on slideway 2, move forward to the travel position that configures, the reach of steel case beam II;
D, transfer steel case beam II, steel case beam II and bearing beam I are carried out power system's conversion (referring to Fig. 9-4):
After steel case beam moved to the displacement of default, the cylinder backhaul of contracting of jacking jack V piston dropped on the bearing beam I steel case beam II; The translation jack III piston cylinder backhaul of contracting then drives sliding case 1 and gets back to original position;
E, the steel case beam II segment distance that moved forward, the thrustor VI is got back to initial position (referring to Fig. 9-5):
Through a circulation, the steel case beam II segment distance that moved forward;
With this five rapid step by step action is a circulation, and this circulation just can realize that the pushing tow translation of steel case beam II is in place repeatedly.
As a kind of conversion of the utility model embodiment, it is the concrete beam II that described steel case beam II by pushing tow also can change into, and steel case beam and concrete beam are referred to as girder.
Claims (4)
1. walking thrustor is characterized in that: described walking thrustor comprises sliding case, slideway, translation jack, jacking jack and correction jack assembly;
Described sliding case is a tetragonal supporting body, form with the sliding box main body connector that is connected sliding box main body unit by the sliding box main body unit that is positioned at the frame angle, described each sliding box main body unit comprises sliding box main body steel work, corrosion resistant plate, pushing tow ear and translation guide strip, have bolt hole on the main body steel work of sliding box main body unit and the sliding box main body connector, between the sliding box main body unit, between sliding box main body unit and the sliding box main body connector or flexibly connect by bolt between each sliding box main body connector;
Described slideway is made up of slideway main unit, slideway main body connector, the slideway main unit includes correction jack installing rack, tetrafluoro skateboard component, jacking jack installation tube, translation jack installing plate and slideway main body steel work, have bolt hole on the ledge of slideway main body steel work and the slideway main body connector, between the slideway main unit, between slideway main unit and the slideway main body connector or flexibly connect by bolt between each slideway main body connector;
Sliding case integral body is placed on the slideway, be structure up and down, the jacking jack is installed in the jacking jack installation tube, the translation jack that are positioned on the slideway and is installed on the translation jack installing plate that is positioned on the slideway, and the correction jack assembly is installed on the correction jack installing rack that is positioned on the slideway;
Described sliding box main body connector comprises 2m laterally sliding box main body connector and 2n vertically sliding box main body connector;
Described slideway main body connector comprises 2p transverse slipway main body connector and 2q end slipway main body connector;
The span of m, n, p, q is: m, n, p, q are respectively the arbitrary integer between 0～100.
2. walking thrustor according to claim 1, it is characterized in that: the sliding box main body steel work of described sliding box main body unit is a hollow steelframe that is assembled into by 4 hollow frames, comprises by 1 trapezoidal or quadrangle and 1 supporting part that the rectangle hollow frame constitutes
DivideAnd the coupling part that constitutes by two rectangle hollow frames, on the ledge of coupling part bolt hole is arranged, sliding box main body unit is by flexibly connecting by bolt between this coupling part and sliding box main body unit or the sliding box main body connector, corrosion resistant plate is positioned at the bottom, bearing part of sliding box main body steel work, pushing tow ear as Force transmission parts is separately fixed on two coupling parts of sliding box main body unit, and the guided in translation plate is fixed on each outside of sliding the box main body steel work, is positioned at the left and right sides of sliding case.
3. walking thrustor according to claim 1, it is characterized in that: described slideway main unit is to be the center with jacking jack installation tube, the slideway main body steel work that is made of I-shaped steel plate is installed on its four direction symmetrically, correction jack installing rack is installed on the slideway main body steel work on one side of jacking jack installation tube, on the slideway main body steel work of the another side of Dui Cheng jacking jack installation tube translation jack installing plate is installed with it, the tetrafluoro skateboard component is installed in the top of jacking jack installation tube.
4. walking thrustor according to claim 3, it is characterized in that: the described correction jack assembly that is installed on the correction jack installing rack comprises the square framework, is installed in correction jack, anti-rotation guide peg, turning rolls and the roller of square framework one side successively, roller is installed in the turning rolls, turning rolls is connected with the piston of correction jack, also can moves with piston is flexible, one of anti-rotation guide peg is connected with turning rolls, sliding in the groove of square framework in the other end, rotates to prevent turning rolls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201386938U CN201678949U (en) | 2010-03-23 | 2010-03-23 | Walking type pushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201386938U CN201678949U (en) | 2010-03-23 | 2010-03-23 | Walking type pushing device |
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| Publication Number | Publication Date |
|---|---|
| CN201678949U true CN201678949U (en) | 2010-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201386938U Expired - Lifetime CN201678949U (en) | 2010-03-23 | 2010-03-23 | Walking type pushing device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102199915A (en) * | 2010-03-23 | 2011-09-28 | 柳州欧维姆机械股份有限公司 | Walking type incremental launching device and bridge incremental launching construction method using same |
| CN103205934A (en) * | 2013-04-03 | 2013-07-17 | 同济大学 | Active supporting walking type pushing construction deivce |
| CN105908637A (en) * | 2016-06-17 | 2016-08-31 | 贵州路桥集团有限公司 | Walking pushing system |
| CN109736212A (en) * | 2019-01-21 | 2019-05-10 | 郭正兴 | A kind of rolling friction type stride thrustor of bridge subsection installation |
| CN110158472A (en) * | 2019-04-28 | 2019-08-23 | 中交第二航务工程局有限公司 | A kind of modular multi-function walking incremental launching device |
| CN111395164A (en) * | 2020-01-16 | 2020-07-10 | 中铁二十四局集团浙江工程有限公司 | Steel box girder pushing structure for bridge construction |
-
2010
- 2010-03-23 CN CN2010201386938U patent/CN201678949U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102199915A (en) * | 2010-03-23 | 2011-09-28 | 柳州欧维姆机械股份有限公司 | Walking type incremental launching device and bridge incremental launching construction method using same |
| CN102199915B (en) * | 2010-03-23 | 2012-07-11 | 柳州欧维姆机械股份有限公司 | Walking type incremental launching device and bridge incremental launching construction method using same |
| CN103205934A (en) * | 2013-04-03 | 2013-07-17 | 同济大学 | Active supporting walking type pushing construction deivce |
| CN105908637A (en) * | 2016-06-17 | 2016-08-31 | 贵州路桥集团有限公司 | Walking pushing system |
| CN109736212A (en) * | 2019-01-21 | 2019-05-10 | 郭正兴 | A kind of rolling friction type stride thrustor of bridge subsection installation |
| CN109736212B (en) * | 2019-01-21 | 2023-09-19 | 郭正兴 | Rolling friction type walking pushing device for bridge segment installation |
| CN110158472A (en) * | 2019-04-28 | 2019-08-23 | 中交第二航务工程局有限公司 | A kind of modular multi-function walking incremental launching device |
| CN110158472B (en) * | 2019-04-28 | 2021-12-21 | 中交第二航务工程局有限公司 | Modular multifunctional walking type pushing equipment |
| CN111395164A (en) * | 2020-01-16 | 2020-07-10 | 中铁二十四局集团浙江工程有限公司 | Steel box girder pushing structure for bridge construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101222 Effective date of abandoning: 20120711 |