CN201244857Y - Prestress concrete box girder hydraulic internal mold vehicle and hydraulic internal mold system - Google Patents
Prestress concrete box girder hydraulic internal mold vehicle and hydraulic internal mold system Download PDFInfo
- Publication number
- CN201244857Y CN201244857Y CNU2008201282147U CN200820128214U CN201244857Y CN 201244857 Y CN201244857 Y CN 201244857Y CN U2008201282147 U CNU2008201282147 U CN U2008201282147U CN 200820128214 U CN200820128214 U CN 200820128214U CN 201244857 Y CN201244857 Y CN 201244857Y
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- box girder
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Abstract
The utility model discloses a hydraulic internal mold car of a prestressed concrete box beam used for railroad, highway and urban highway bridges, comprising a combination internal mold plate, a plurality of hydrocylinder sets, a trolley for longitudinal movement, and a plurality of sets of stay bars, wherein, the trolley is arranged in the internal cavity of the combination internal mold plate; the top mold plate of the combination internal mold plate is connected with the end faces of the left mold plate, the right mold plate and the middle mold plate respectively; the extension cylinder of the top mold plate and the extension cylinders of the left mold plate, the right mold plate and the middle mold plate are articulated with the trolley, and the internal surfaces of the top mold plate and the middle mold plate respectively; the extension cylinders of the left lower mold plate and the right lower plate are articulated with the lower mold plates and the middle mold plate respectively; and the combination internal mold plate is supported by the stay bars after being propped. In the utility model, the middle mold adopts a rectilinear movement demoulding method as the same with the top mold, thus facilitating the separation of mold plates; besides, the space for the movement of the mold plates is smaller, thus passing through easily holes on the end clapboard of the box beam, the internal mold system has stronger adaptability, and the arrangement of the hydrocylinders is more rational.
Description
Technical field
The utility model relates to a kind of hydraulic internal mold device of producing railway, highway, the employing of urban road bridge prestress concrete box girder.
Background technology
PC Box Girder Structure is simple, elegant in appearance, easily manufactured, bearing capacity is strong, dominate in railway, highway, urban road bridge, it is produced the prefabricated and bridge location of branch factory and builds two kinds, and main production process has mould installation, reinforcing bar binding, concreting and maintenance, mould dismounting etc.Case beam production mould is made up of internal mold, external mold wing plate mould, side form and end mould and supporting basis, and its internal mold generally is made up of polylith template and supporting construction thereof, installs and removes by manually carrying out.Its weak point is that operating environment is poor, labour intensity is big, production efficiency is low.
Application number provides a kind of full-automatic hydraulic prefabricated box girder inner formwork system for 200610201284.6 Chinese patent, the inner formword of this system is by backform and a pair ofly go up the inner corner trim mould and a pair of down the inner corner trim mould is hinged forms, going up oblique oil cylinder is connected between backform and the last inner corner trim mould, oblique oil cylinder is connected between inner corner trim mould and the following inner corner trim mould down, be interval with bracing frame in the cavity bottom central authorities that inner formword is enclosed along case beam depth, set up rail on the bracing frame, walking translation dolly on the rail, the translation dolly comprises travelling wheel, a vehicle frame and a seat beam that is fixed on the vehicle frame, the vehicle frame of translation dolly extends to outside the inner formword, lays hydraulic power unit and operating desk on it.The translation dolly can whole be walked, and has made things convenient for the integral body of internal mold to come in and go out.
But, middle template in the said system and top template adopt rotating stripping demoulding, its weak point is: rotating stripping demoulding is undesirable because of the angle of power that hydraulic jack applies, can produce very big component, the part of hydraulic jack applied force makes the template rotation, plays the effect of the demoulding, part component there is no help to the rotation of template, but directly bear by formwork structure, pass to the center hinge of rotation, cause demoulding difficulty; In addition, because the existence of above-mentioned harmful component, the needed rigidity of template is bigger, and the template materials are more, and the needed segment of rotating stripping demoulding space is bigger.
The utility model content
Technical problem to be solved in the utility model is the problem that solves demoulding difficulty in the hydraulic internal mold devices that prestressed concrete box girder adopted such as railway, highway, urban road bridge.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted provides a kind of prestress concrete box girder hydraulic internal mold car, comprise the combined inner mold plate, some hydraulic jack groups, vertical shift dolly and some groups of struts, described vertical shift dolly is arranged in the internal cavities of combined inner mold plate and moves along the longitudinal axis of combined inner mold plate, described combined inner mold plate comprise top template, about in template and left and right sides lower bolster, template and left and right sides lower bolster are hinged respectively in about described, described top template respectively with about the end face butt of middle template; Described hydraulic jack group comprise the top template telescopic oil cylinder, about in template telescopic oil cylinder and left and right sides lower bolster telescopic oil cylinder, described top template telescopic oil cylinder and about in the cylinder body of template telescopic oil cylinder and piston rod hinged with the inner surface of vertical shift dolly and top template, middle template respectively, the cylinder body of described left and right sides lower bolster telescopic oil cylinder and piston rod are hinged with lower bolster and middle template respectively; Described top template, about on the inner surface of template and left and right sides lower bolster and be respectively equipped with some adjustable strut fixed hinged seats on the vertical shift dolly.
The cross section of template is that three bendings are tabular in about described, and its top bending part is parallel with top template respectively.The cross section of described top template is up-small and down-big trapezoidal, described about in the end face of top bending part of template be the inclined-plane and contact with the inclined end face of top template.
Described every group of strut comprises adjustable strut and sleeve strut, and described adjustable strut comprises top template strut, middle form spreader and lower bolster strut, and the two ends of described top template strut, middle form spreader and lower bolster strut are respectively equipped with and are connected free bearing.Described sleeve strut is made up of a jacket casing and a tube core that is inserted in the jacket casing, and jacket casing is connected with the following bending part and the vertical shift cart stationary of middle template inner surface respectively with the other two ends of tube core, is respectively equipped with fixed pin shaft on jacket casing and the tube core and installs through hole.
Also comprise bracing piece and following bracing piece, described last bracing piece is fixedlyed connected with the adjacent inner surface of jacket casing and middle template respectively with following bracing piece two ends with the both sides up and down and the last bracing piece of the jacket casing that following bracing piece is separately positioned on.
The following bending part of template inner surface during the pin joint of template telescopic oil cylinder and middle template is arranged in about described.
At least four of described top template telescopic oil cylinders are respectively perpendicular to the lower surface of top template.
Described vertical shift dolly comprises binding-beam and some driving wheels of two girders that be arranged in parallel, the described girder of some connections, and described driving wheel is by motor-driven.
The utility model also provides a kind of prestress concrete box girder hydraulic internal mold system, comprise above-mentioned prestress concrete box girder hydraulic internal mold car, track and Hydraulic Station, described track is arranged on the bed die of this case beam along the prestress concrete box girder longitudinal axis by the rail support built-in fitting, the setting of described prestress concrete box girder hydraulic internal mold car vertically moves in orbit and along track, and described Hydraulic Station is connected with the hydraulic jack group of prestress concrete box girder hydraulic internal mold car respectively by hydraulic tube
This prestress concrete box girder hydraulic internal mold system also comprises some template supporting built-in fittings, and described template supporting built-in fitting is arranged between the bed die of lower bolster and prestress concrete box girder.
The utility model, top template and middle template butt, after the top template demoulding, template telescopic oil cylinder axis shrinks to the vertical shift dolly in the middle template edge, and middle template has adopted the straight line identical with backform to move stripping means, and peeling off of template is more prone to, the template needed space of moving is littler, template can bounce back to littler volume, thereby easier of case beam-ends dividing plate preformed hole, the inner formwork system adaptive capacity is stronger.In addition, it is more reasonable that hydraulic jack is arranged, the axis of hydraulic jack and the angle of concrete surface bigger (90 degree are for best) make harmful component of hydraulic jack littler, and the design load of hydraulic jack is littler, and the demoulding is convenient, operation safe.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the A-A schematic cross-section of Fig. 1;
Fig. 3 is the B-B schematic cross-section of Fig. 1;
Fig. 4 is the C-C schematic cross-section of Fig. 1;
Fig. 5 is the D-D schematic cross-section of Fig. 1;
Fig. 6～Fig. 8 is the utility model demoulding step schematic diagram;
Wherein:
The 10-template, the 11-top template, middle template about 12-, 13-left and right sides lower bolster, 14-cuts with scissors with one heart;
The adjustable strut of 20-, 21-top template strut, 22-left and right sides lower bolster strut is strengthened strut on the middle template telescopic oil cylinder about 23-, and middle template telescopic oil cylinder is strengthened strut down about 24-, the middle vertical strut of template about 25-, the middle oblique strut of template about 26-;
30-sleeve strut, 31-jacket casing, 32-tube core, the last bracing piece of 33-, bracing piece under the 34-, 35-bearing pin;
40-vertical shift dolly, 41-dolly girder, 42-dolly driving wheel, 43-dolly girder bracing;
The 50-Hydraulic Station;
The 60-hydraulic jack, middle template telescopic oil cylinder about 61-, 62-top template telescopic oil cylinder, 63-left and right sides lower bolster telescopic oil cylinder;
The 70-track;
The 80-built-in fitting, 81-rail support built-in fitting, 82-template supporting built-in fitting.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is made detailed explanation.
Fig. 1 to Fig. 5 props up the state of time-out for combined inner mold plate of the present utility model.
As shown in Figure 1, the utility model mainly is made up of combined inner mold plate 10, some groups of adjustable struts 20, some groups of sleeve struts 30, vertical shift dolly 40 and some groups of hydraulic jack groups 60.Described combined inner mold plate 10 is fixed on the vertical shift dolly 40 by adjustable strut 20, sleeve strut 30, hydraulic jack group 60; Hydraulic jack group 60 of the present utility model vertically lays respectively in the different cross sections along the hydraulic internal mold car with adjustable strut 20, sleeve strut 30.
Fig. 2 is the A-A schematic cross-section of Fig. 1, and the A-A cross section is a supporting section of the present utility model, and adjustable strut 20 and sleeve strut 30 can be positioned at this cross section.As shown in Figure 2, in this cross section, described vertical shift dolly 40 comprises binding-beam 43 and some driving wheels 42 of two girders that be arranged in parallel 41, the described girder 41 of some connections, and described driving wheel 42 is by motor-driven.Described combined inner mold plate 10 by top template 11, about in template 12 and left and right sides lower bolster 13 form; The cross section of top template 11 is up-small and down-big trapezoidal, about in the cross section of template 12 be that three bendings are tabular, its top bending part is parallel with top template 11 respectively, and about in the end face of top bending part of template 12 be the inclined-plane.Top template 11 is placed in the middle, and both sides respectively are provided with a middle template 12, about in the lower end of template 12 be connected with lower bolster 13 by concentric hinge 14 respectively; Top template 11 from bottom to top with the inclined-plane butt of middle template 12.Adopt this structure, can not only effectively prevent spillage, also can be conveniently stripped.
Adjustable strut 20 comprise top template strut 21, about in the vertical strut 25 of template, about in the oblique strut 26 of template and left and right sides lower bolster strut 22, described top template strut 21, about in the vertical strut 25 of template, about in the two ends of the oblique strut 26 of template and left and right sides lower bolster strut 22 be respectively equipped with and be connected free bearing.The two ends of top template strut 21 and left and right sides lower bolster strut 22 are hinged with top template 11, left and right sides lower bolster 13 and dolly girder 41 respectively; Sleeve strut 30 is made up of a jacket casing 31 and tube cores 32 that are inserted in the jacket casing 31, the following turn of bilge of tearing open of template 12 inner surfaces in about jacket casing 31 is welded on, the both sides up and down of jacket casing 31 also are respectively equipped with bracing piece 33 and following bracing piece 34, the described bracing piece 33 of going up welds with two of jacket casing 31 and middle template 12 adjacent inner surfaces respectively with following bracing piece 34, to add the rigidity of persistent erection template 12; One end of tube core 32 is welded on the dolly girder 41, movable jacket casing 31 inner chambers that insert of the other end, and jacket casing 31 overlaps with the axis of tube core 32, and the two insertion portion connects by bearing pin 35.
Hydraulic jack group 60 by some top template telescopic oil cylinders 62, about in template telescopic oil cylinder 61 and left and right sides lower bolster telescopic oil cylinder 63 form.Fig. 3 is the utility model B-B schematic cross-section, and the B-B cross section is the flexible cross section of combined inner mold plate 10 of the present utility model, top template telescopic oil cylinder 62 and about in template telescopic oil cylinder 61 be positioned at this cross section.As shown in Figure 3, two top template telescopic oil cylinders 62 are respectively perpendicular to the inner surface of top template 11, and the cylinder body of top template telescopic oil cylinder 62 and tailpiece of the piston rod are hinged with the girder 41 of the inner surface of top template 11 and vertical shift dolly respectively; About in the cylinder body of template telescopic oil cylinder 61 and tailpiece of the piston rod respectively with about in the girder 41 of the following bending part of template 12 inner surfaces and vertical shift dolly hinged; In order to add the rigidity of persistent erection template 12 when the demoulding, about in the both sides up and down of template telescopic oil cylinder 61 also be respectively equipped with about in the upper and lower reinforcement strut 23,24 of template telescopic oil cylinder, described about in the two ends of the upper and lower reinforcement strut 23,24 of template telescopic oil cylinder be articulated and connected respectively about in template telescopic oil cylinder 61 cylinder body and about on the two adjacent inner surfaces of middle template 12.
Fig. 4 is the C-C schematic cross-section of Fig. 1, and left and right sides lower bolster telescopic oil cylinder 63 is positioned at this cross section.As shown in Figure 4, about in the upper inside surface of template 12 and the lower inner surface of left and right sides lower bolster 13 be articulated and connected by left and right sides lower bolster telescopic oil cylinder 63, simultaneously, the rigidity of template 12 and left and right sides lower bolster 13 in about be strengthening, about in also distinguish between template 12 and the left and right sides lower bolster 13 hinged about the middle vertical strut 25 of template.
Fig. 5 is the D-D schematic cross-section of Fig. 1, and this cross section is a supporting section schematic diagram of the present utility model.As shown in Figure 5, top template 11 is articulated and connected by the girder 41 of two vertical with top template 11 lower surfaces respectively top template struts 21 with the vertical shift dolly, about in template 12 pass through about in the oblique strut of template 26 hinged with the girder 41 of vertical shift dolly, left and right sides lower bolster 13 is articulated and connected with the girder 41 of vertical shift dolly respectively by lower bolster strut 22.
The purpose that above-mentioned each cross section is provided with adjustable strut is to strengthen the rigidity of combined inner mold plate, and the demand of visible combinations formwork rigidity takes the circumstances into consideration to increase and decrease adjustable strut quantity.
Fig. 6～Fig. 8 is a demoulding step schematic diagram of the present utility model.
Fig. 6 is left and right sides lower bolster 13 demoulding schematic diagrames, and step is: remove left and right sides lower bolster strut 22, about in the vertical strut 25 of template; Start Hydraulic Station 50, lower bolster telescopic oil cylinder 63 retractions in the left and right sides drive left and right sides lower bolster 13 around concentric hinge 14 rotations, peel off with concrete surface.
Fig. 7 is top template 11 demoulding schematic diagrames, and step is: remove top template strut 21; Start Hydraulic Station 50, top template telescopic oil cylinder 62 retractions drive top template 11 and descend along vertical, peel off with concrete surface.
Fig. 8 be about in template 12 demoulding schematic diagrames, step is: about dismounting in the oblique strut 26 of template; Extract bearing pin 35; Start Hydraulic Station 50, about in template telescopic oil cylinder 61 retractions, about drive in template 12 simultaneously inwardly, move down, peel off with concrete surface.
The utility model also provides a kind of prestress concrete box girder hydraulic internal mold system, comprise some above-mentioned prestress concrete box girder hydraulic internal mold cars, track 70 and Hydraulic Station 50, vertical shift dolly 40 belows are provided with two tracks 70 along prestress concrete box girder longitudinal axis direction, and track 70 is fixed on the bed die of concrete box girder by rail support built-in fitting 81; Vertical shift dolly 40 is arranged on the track 70, and under motor-driven, vertically moves along track 70, moves into or shift out the inner chamber of concrete box girder.Hydraulic Station 50 links to each other with hydraulic jack group 60 by oil pipe, the stretching, contract and action such as static of control hydraulic jack group 60.The internal mold of a slice concrete box girder is made up of several prestress concrete box girder hydraulic internal mold car word orders.
The utility model built-in fitting adopts precast concrete, and the built-in fitting concrete adopts and equates or a high grade with the box girder body concrete label, and the contact-making surface cutter hair of built-in fitting and newly-laid concrete is cleaned, and the two helps improving beam physique amount in conjunction with better.
Installation of the present utility model and job step are as follows:
Built-in fitting 80 is made up of rail support built-in fitting 81 and template supporting built-in fitting 82, and behind the concrete box girder reinforcing bar binding, at first attachment rail supporting built-in fitting 81, template support built-in fitting 82 and be fixed on the beam body bar-mat reinforcement; Install then and trapped orbit 70, will contract and sail the design attitude of case beam inner chamber to the utility model of minimum dimension along track 70 into; The 3rd step is with reference to Fig. 8 to Fig. 6, template 12, top template 11, left and right sides lower bolster 13 in about opening successively, install respectively top template strut 21, about in the vertical strut 25 of template, about in the oblique strut 26 of template and left and right sides lower bolster strut 22, and adjust above-mentioned adjustable strut, the inner surface of itself and inner formword is firmly supported; The 4th step, the utility model adjust to the right place and fixing after, casting concrete, vibrate, health.The installation of the adjustable strut of the utility model is example all with manual operations with certain 32 rice bin beam, and its inner chamber height is 2.25 meters, deduct about 0.12 meter of the height of template, 2.13 meters of remaining space height, the end partition wall inner chamber height at case beam two ends is 1.75 meters, deduct back 1.63 meters, enough workman's operations.The operating personnel operates by reaching from the empty crotch between two girders of dolly, and is very convenient.
Demounting procedure of the present utility model:
Contract to minimum dimension according to the described step demoulding of Fig. 6 to Fig. 8 and with the utility model; Drive vertical shift dolly 40, the utility model is rolled away from the inner chamber of finished product concrete box girder along track 70; Remove track 70 and rail support built-in fitting 81 in the case beam inner chamber.
The utility model can be saved steel 20%～40% than conventional art.32 meters simple supported box beam is an example to stride directly, and its weight can be reduced to 10kN/ rice.In addition, the utility model shrinks the back volume and reduces significantly, and adaptive capacity is strong.The simple supported box beam internal mold car of striding 32 meters in footpath with certain is an example, and its section is contracted to 3.9 * 1.6 meters by 5.44 * 2.25 meters, and reduced cross-sectional reaches 50%, so just makes the adaptive capacity of internal mold car stronger.
The utility model is not limited to above-mentioned preferred forms, and anyone should learn the structural change of making under enlightenment of the present utility model, every with the utlity model has identical or close technical scheme, all fall within the protection domain of the present utility model.
Claims (11)
1, a kind of prestress concrete box girder hydraulic internal mold car, comprise the combined inner mold plate, some hydraulic jack groups, some groups of adjustable struts and vertical shift dolly, described vertical shift dolly is arranged in the internal cavities of combined inner mold plate, it is characterized in that: described combined inner mold plate comprise top template, about in template and left and right sides lower bolster, template and left and right sides lower bolster are hinged respectively in about described, described top template respectively with about the end face butt of middle template; Described hydraulic jack group comprise the top template telescopic oil cylinder, about in template telescopic oil cylinder and left and right sides lower bolster telescopic oil cylinder, the top template telescopic oil cylinder and about in the cylinder body of template telescopic oil cylinder and piston rod hinged with the inner surface of vertical shift dolly and top template, middle template respectively, the cylinder body of described left and right sides lower bolster telescopic oil cylinder and piston rod are hinged with lower bolster and middle template respectively; Described top template, about in be respectively equipped with some adjustable struts and be connected free bearing on the inner surface of template and left and right sides lower bolster with on the vertical shift dolly.
2, prestress concrete box girder hydraulic internal mold car as claimed in claim 1, it is characterized in that described about in the cross section of template be that three bendings are tabular, its top bending part is parallel with top template respectively.
3, prestress concrete box girder hydraulic internal mold car as claimed in claim 2, the cross section that it is characterized in that described top template are up-small and down-big trapezoidal, described about in the end face of top bending part of template be the inclined-plane and contact with the inclined end face of top template.
4, prestress concrete box girder hydraulic internal mold car as claimed in claim 1, it is characterized in that described every group of strut comprises adjustable strut and sleeve strut, adjustable strut comprise the top template strut, about in form spreader and left and right sides lower bolster strut, described top template strut, about in the two ends of form spreader and left and right sides lower bolster strut be respectively equipped with and be connected free bearing.
5, prestress concrete box girder hydraulic internal mold car as claimed in claim 4, it is characterized in that described sleeve strut by jacket casing and be inserted in the jacket casing the tube core form, the other two ends of jacket casing and tube core respectively with about in the following bending part and the vertical shift cart stationary of template inner surface is connected, be respectively equipped with fixed pin shaft on a jacket casing and the core and install through hole.
6, prestress concrete box girder hydraulic internal mold car as claimed in claim 5, it is characterized in that also comprising bracing piece and following bracing piece, described go up the both sides up and down of the jacket casing that bracing piece and following bracing piece be separately positioned on and respectively with jacket casing with about the adjacent inner surface of middle template fixedly connected.
7, as claim 1 to the 6 described prestress concrete box girder hydraulic internal mold of each a claim car, it is characterized in that described about in the pin joint of template telescopic oil cylinder and middle template be arranged on the following bending part of middle template inner surface.
8, prestress concrete box girder hydraulic internal mold car as claimed in claim 7 is characterized in that described top template telescopic oil cylinder is provided with four at least, respectively perpendicular to the lower surface of top template.
9, prestress concrete box girder hydraulic internal mold car as claimed in claim 8 is characterized in that described vertical shift dolly comprises binding-beam and some driving wheels of two girders that be arranged in parallel, the described girder of some connections, and described driving wheel is by motor-driven.
10, a kind of prestress concrete box girder hydraulic internal mold system, it is characterized in that comprising some prestress concrete box girder hydraulic internal mold cars as claimed in claim 1, track and Hydraulic Station, described track is arranged on the bed die of this case beam along the prestress concrete box girder longitudinal axis by the rail support built-in fitting, the setting of described prestress concrete box girder hydraulic internal mold car vertically moves in orbit and along track, and described Hydraulic Station is connected with the hydraulic jack group of prestress concrete box girder hydraulic internal mold car respectively by hydraulic tube.
11, prestress concrete box girder hydraulic internal mold as claimed in claim 10 system is characterized in that also comprising some templates supporting built-in fittings, and described template supporting built-in fitting is arranged between the bed die of lower bolster and prestress concrete box girder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201282147U CN201244857Y (en) | 2008-07-10 | 2008-07-10 | Prestress concrete box girder hydraulic internal mold vehicle and hydraulic internal mold system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201282147U CN201244857Y (en) | 2008-07-10 | 2008-07-10 | Prestress concrete box girder hydraulic internal mold vehicle and hydraulic internal mold system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201244857Y true CN201244857Y (en) | 2009-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201282147U Expired - Lifetime CN201244857Y (en) | 2008-07-10 | 2008-07-10 | Prestress concrete box girder hydraulic internal mold vehicle and hydraulic internal mold system |
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| CN (1) | CN201244857Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302739B (en) * | 2008-07-10 | 2010-06-02 | 中铁大桥局股份有限公司 | Prestress concrete box girder hydraulic internal mold vehicle as well as hydraulic internal mold system |
| CN103192448A (en) * | 2013-03-19 | 2013-07-10 | 中交四公局第一工程有限公司 | Internal mold and manufacturing method thereof, and precast box girder and manufacturing method thereof |
| CN104999547A (en) * | 2015-06-30 | 2015-10-28 | 中铁二十三局集团有限公司 | Automatic template system for maglev curve track beam and use method of automatic template system |
| CN105965675A (en) * | 2016-07-26 | 2016-09-28 | 湖南五新模板有限公司 | Hydraulic internal mold device for concrete box girder |
| CN108004936A (en) * | 2017-12-29 | 2018-05-08 | 山东博远重工有限公司 | Sliding system applied to section box girder small chamber internal model |
| CN113927713A (en) * | 2021-09-23 | 2022-01-14 | 江苏月生达机械制造有限公司 | Hydraulic internal mold system for prefabricated box girder |
| CN114016410A (en) * | 2021-10-29 | 2022-02-08 | 中铁十九局集团第五工程有限公司 | Variable cross-section segmental beam prefabricated steel bar jig frame and template system |
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2008
- 2008-07-10 CN CNU2008201282147U patent/CN201244857Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302739B (en) * | 2008-07-10 | 2010-06-02 | 中铁大桥局股份有限公司 | Prestress concrete box girder hydraulic internal mold vehicle as well as hydraulic internal mold system |
| CN103192448A (en) * | 2013-03-19 | 2013-07-10 | 中交四公局第一工程有限公司 | Internal mold and manufacturing method thereof, and precast box girder and manufacturing method thereof |
| CN103192448B (en) * | 2013-03-19 | 2015-06-24 | 中交四公局第一工程有限公司 | Internal mold and manufacturing method thereof, and precast box girder and manufacturing method thereof |
| CN104999547A (en) * | 2015-06-30 | 2015-10-28 | 中铁二十三局集团有限公司 | Automatic template system for maglev curve track beam and use method of automatic template system |
| CN105965675A (en) * | 2016-07-26 | 2016-09-28 | 湖南五新模板有限公司 | Hydraulic internal mold device for concrete box girder |
| CN105965675B (en) * | 2016-07-26 | 2018-06-19 | 湖南五新模板有限公司 | The hydraulic internal mold device of concrete box girder |
| CN108004936A (en) * | 2017-12-29 | 2018-05-08 | 山东博远重工有限公司 | Sliding system applied to section box girder small chamber internal model |
| CN113927713A (en) * | 2021-09-23 | 2022-01-14 | 江苏月生达机械制造有限公司 | Hydraulic internal mold system for prefabricated box girder |
| CN113927713B (en) * | 2021-09-23 | 2022-07-29 | 江苏月生达机械制造有限公司 | Hydraulic internal mold system for prefabricated box girder |
| CN114016410A (en) * | 2021-10-29 | 2022-02-08 | 中铁十九局集团第五工程有限公司 | Variable cross-section segmental beam prefabricated steel bar jig frame and template system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090527 Effective date of abandoning: 20080710 |