CN217729125U - Hydraulic lifting internal mold frame for segment box girder - Google Patents
Hydraulic lifting internal mold frame for segment box girder Download PDFInfo
- Publication number
- CN217729125U CN217729125U CN202221844445.4U CN202221844445U CN217729125U CN 217729125 U CN217729125 U CN 217729125U CN 202221844445 U CN202221844445 U CN 202221844445U CN 217729125 U CN217729125 U CN 217729125U
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- Prior art keywords
- die carrier
- cylinder
- interior die
- hydro
- terminal surface
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- 238000009415 formwork Methods 0.000 claims description 12
- 238000010276 construction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
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Abstract
The utility model provides a pair of die carrier in hydraulic pressure of festival section case roof beam goes up and down, die carrier height in regulation that can convenient and fast, the technical scheme of its solution is, including interior die carrier and interior die carrier upright post, the vertical symmetry rotation in interior die carrier below is connected with a plurality of pulleys, the first hydro-cylinder of the vertical symmetry fixedly connected with of terminal surface under the interior die carrier upright post, the vertical symmetry fixedly connected with of terminal surface is located the horizontal left supporting screw of first hydro-cylinder under the interior die carrier upright post, the vertical symmetry fixedly connected with vaulting pole of terminal surface under the top horizontal segment of interior die carrier rightmost side, the vertical symmetry fixedly connected with of terminal surface is located the horizontal left second hydro-cylinder of vaulting pole under the interior die carrier top horizontal segment rightmost side, the utility model discloses the requirement for the high tolerance of interior die carrier is not high, die carrier height in the accessible hydro-cylinder is adjusted, adjusts not only simple and convenient and labour saving and time saving and reduces workman's work load.
Description
Technical Field
The utility model relates to a segment girder construction equipment, especially a die carrier in hydraulic pressure of segment case roof beam goes up and down.
Background
The prefabricated segment box girder is a newly developed bridge forming technology, and has the characteristics of short construction period, small prestress loss and the like compared with the traditional whole-hole prefabrication erection construction method and a support cast-in-place construction method, an inner mold and an inner mold frame are required in the construction process of the segment box girder, the existing inner mold frame drives the inner mold to horizontally enter between a box girder matching beam and an end mold in the construction process of the segment box girder, the existing inner mold frame upright column generates certain bending under the action force of the horizontal section of the inner mold frame and the inner mold above the existing inner mold frame upright column, so that the horizontal section of the inner mold frame and the inner mold on the inner mold frame are inclined to a certain degree in the direction away from the inner mold frame upright column, after the horizontal entering of inner mould case roof beam matches between roof beam and the end mould inside, all there is the gap because inner mould frame horizontal segment and centre mould are the slope so between centre mould up end and case roof beam match roof beam and the end mould, then prop up centre mould frame horizontal segment and centre mould gradually on case roof beam matches the roof beam with the vaulting pole of the right-hand member of inner mould frame horizontal segment, thereby prop up the in-process inner mould frame upright post and reduce to take place elasticity resilience and resume vertical state because the effort that receives and drive centre mould and upwards laminate box girder match roof beam and end mould, later laminate mutually between centre mould up end and case roof beam match roof beam and the end mould and not had the gap, then utilize vaulting pole and hydro-cylinder to open the inner formword can, but current inner mould frame has following defect: 1. the requirement on the height tolerance of the bracket is very high; 2. the height of the internal formwork is also adjusted after the foundation is settled, and the workload is large; 3. after the inner mold enters the end mold and the matching beam, the inner mold needs to be manually supported by using a support rod, so that the labor is wasted, and the workload is large; 4. the elastic deformation of the inner formwork stand column is limited, the fall amplitude of the inner formwork at one end far away from the inner formwork stand column is not large, and a top steel reinforcement cage cushion block can be touched.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming prior art's defect, the utility model provides a die carrier in festival section case roof beam hydraulic pressure goes up and down, carry out jacking and support to die carrier and centre form through hydro-cylinder and the supporting screw that sets up the die carrier stand below in being located, requirement for internal die carrier high tolerance is not high, die carrier height in the accessible hydro-cylinder is adjusted, do not influence the use when the ground appears subsiding yet, only need through the hydro-cylinder adjust internal die carrier whole height can and need not adjust internal die carrier height through changing the die carrier structure, the work load has been reduced, after in the internal die gets into end mould and matches the roof beam, prop through the hydro-cylinder and rise in the top drives internal die carrier and centre form and rise simultaneously on matching the roof beam, it is simple and fast, time and labor saving, the hydro-cylinder lifting height is big, it is big to reserve the clearance between centre form and the end mould and the matching roof beam, the centre form can not touch top steel reinforcement cage cushion block.
The technical scheme of its solution is, including interior die carrier and interior die carrier stand, the vertical symmetry of interior die carrier below is rotated and is connected with a plurality of pulleys, its characterized in that, the vertical symmetrical fixedly connected with first hydro-cylinder of terminal surface under the interior die carrier stand, the vertical symmetrical fixedly connected with of terminal surface is located the horizontal left supporting screw of first hydro-cylinder under the interior die carrier stand, and the vertical symmetrical fixedly connected with vaulting pole of terminal surface under the top horizontal segment rightmost of interior die carrier top, the vertical symmetrical fixedly connected with of terminal surface is located the horizontal left second hydro-cylinder of vaulting pole under the top horizontal segment rightmost of interior die carrier.
Preferably, each of the first cylinders is located inside each of the pulleys in the longitudinal direction.
Preferably, each of the support screws is located outside each of the pulleys in the longitudinal direction.
Preferably, each of the second cylinders is located inside each of the stays in the longitudinal direction.
Preferably, each first oil cylinder and each output end of the support screw are both downward.
Preferably, each support rod and each second oil cylinder output end face downwards.
The utility model discloses beneficial effect is:
1. the oil cylinder and the supporting screw rod which are positioned below the upright post of the inner die frame are used for jacking and supporting the inner die frame and the inner die, the requirement on the height tolerance of the inner die frame is not high, and the height of the inner die frame can be adjusted through the oil cylinder;
2. the use is not influenced when the foundation is settled, the height of the inner die frame can be adjusted only by adjusting the whole height of the inner die frame through the oil cylinder without changing the structure of the inner die frame, and the workload is reduced;
3. after the inner die enters the end die and the matching beam, the oil cylinder is supported on the matching beam to lift so as to drive the inner die frame and the inner die to lift simultaneously, so that the method is simple, quick, time-saving and labor-saving;
4. the oil cylinder has large lifting height, the reserved clearance between the inner die and the end die and between the inner die and the matching beam is large, and the inner die cannot touch the top reinforcement cage cushion block.
Drawings
Fig. 1 is a front view of the whole schematic diagram of the inner mold of the present invention when it does not enter the end mold and the matching beam.
Fig. 2 is a left side view of the whole schematic diagram of the inner mold of the utility model when the inner mold does not enter the end mold and the matching beam.
Fig. 3 is a front view of the whole schematic diagram of the inner mold after entering the end mold and the matching beam.
Figure 4 is the utility model discloses the centre form gets into the overall schematic drawing left side view behind end mould and the matching beam inside.
Fig. 5 is the right side view of the whole schematic diagram after the inner mold of the utility model enters the end mold and matches the inside of the beam.
Fig. 6 is a front view of the whole schematic diagram of the inner mold and the end mold after being attached to the matching beam.
Fig. 7 is the left view of the whole schematic diagram after the inner mold and the end mold and the matching beam are attached.
Fig. 8 is a right side view of the whole schematic diagram of the inner mold, the end mold and the matching beam after being attached.
Reference numerals
1. The device comprises an inner die carrier, 2. An inner die carrier upright post, 3. A pulley, 4. A first oil cylinder, 5. A support screw, 6. A support rod and 7. A second oil cylinder.
Detailed Description
The following description of the present invention will be made in detail with reference to the accompanying drawings 1 to 8.
When the utility model is used, under the initial state, the first oil cylinders 4 which are longitudinally symmetrically and fixedly connected with the lower end surface of the inner formwork upright post 2, the stay bars 6 which are longitudinally symmetrically and fixedly connected with the rightmost end surface of the upper horizontal section of the inner formwork 1 and the second oil cylinders 7 which are longitudinally symmetrically and fixedly connected with the rightmost end surface of the upper horizontal section of the inner formwork 1 and are positioned on the transverse left side of the stay bars 6 are all in the upward withdrawing state, the output ends of each first oil cylinder 4, each stay bar 6 and each second oil cylinder 7 are all downward, the lower part of the inner formwork 1 is longitudinally and symmetrically connected with a plurality of pulleys 3 in a rotating way and slides on the track through the plurality of pulleys 3, at the moment, the plurality of pulleys 3 are contacted with the track, each first oil cylinder 4 is in the upward withdrawing state, the ground is not contacted with the ground, the support screw rods 5 which are longitudinally and symmetrically and fixedly connected with the lower end surface of the inner formwork upright post 2 and are positioned on the transverse left side of the first oil cylinder 4, the output ends of each support screw rod 5 are all downward, at the moment, each supporting screw 5 also leaves the ground and is not contacted with the ground, the inner die frame 1 is in a transverse U shape, the inner die frame vertical column 2 on the upper right horizontal section of the inner die frame 1 and the inner die on the horizontal section of the inner die frame 1 elastically deforms to be bent to a certain degree under the action force, the inner die is inclined to a certain degree at the rightmost end, then the inner die frame 1 is driven to move rightwards by the controller controlled by the controller as shown in the attached drawing, the inner die frame 1 moves rightwards to drive the inner die on the inner die frame 1 to move rightmost to enter the matching beam and the end die, and the inner die is inclined to a certain degree at the rightmost end at the moment, so gaps exist between the upper end surface of the inner die and the matching beam and the end die at the moment, each supporting rod 6 and each second oil cylinder 7 on the rightmost side of the horizontal section above the inner die frame 1 are located in the matching beam at the moment, and each supporting rod 6 and each second oil cylinder 7 are located in the upward withdrawing manner The state is not in contact with the mating beam.
Then, the controller controls each second oil cylinder 7 to extend downwards and support on the matching beam, at the moment, each second oil cylinder 7 drives the upper right horizontal section and the inner die of the inner die carrier 1 to lift upwards, the upper right horizontal section and the inner die of the inner die carrier 1 partially act on the matching beam through each second oil cylinder 7 to enable acting force on the inner die carrier upright post 2 to be reduced and elastically rebounded to return to a vertical state, at the moment, the inner die carrier upright post 2 returns to the vertical state to drive the upper right horizontal section and the inner die of the inner die carrier 1 to return to the horizontal state, then, the controller controls each first oil cylinder 4 to extend downwards and support on the ground, at the moment, each first oil cylinder 4 drives the whole inner die carrier 1 and the inner die to lift upwards, the pulleys 3 below the inner die carrier 1 move upwards to separate from a track, and because the upper right horizontal section of the inner die carrier 1 is supported by each second oil cylinder 7, the inner die carrier 1 cannot tilt upwards when the first oil cylinder 4 drives the whole inner die carrier 1 and the inner die to lift, and at the moment, the inner die is in a horizontal state, the whole inner die frame 1 and the inner die are lifted upwards under the action of each first oil cylinder 4 and each second oil cylinder 7 to enable the upper end face of the inner die to be attached to the interior of the matching beam and the end die, then the first oil cylinders 4 and the second oil cylinders 7 are controlled to stop working through the controller, then the support rods 6 are spread and supported on the matching beam, the support screws 5 are operated to extend downwards to enable the support screws 5 to be supported on the ground, at the moment, the inner die frame 1 and the inner die are supported by the first oil cylinders 4, the second oil cylinders 7, the support screws 5 and the support rods 6 to enable the upper end face of the inner die to be closely attached to the interior of the matching beam and the end die, the first oil cylinders 4 are located on the inner sides of the pulleys 3 in the longitudinal direction, and the support screws 5 are located on the inner sides of the pulleys 3 in the longitudinal direction The outside of each pulley 3, and each supporting screw 5 is located the horizontal left side of first hydro-cylinder 4 in the transverse direction, guaranteed like this that each first hydro-cylinder 4 and each supporting screw 5 can both carry out the outrigger to internal die carrier 1 in transversely and vertically, each second hydro-cylinder 7 all is located the inboard of each vaulting pole 6 in the longitudinal direction, and each second hydro-cylinder 7 is located the horizontal left side of vaulting pole 6 in the transverse direction, guaranteed like this that each vaulting pole 6 and each second hydro-cylinder 7 can both carry out the outrigger to the upper right horizontal segment of internal die carrier 1 in transversely and vertically, then stretch out through each hydro-cylinder in the controller control inner formword and open the inner formword and just accomplished the installation of centre form.
This device carries out jacking and support to inner die carrier 1 and centre form through setting up first hydro-cylinder 4 and the support screw 5 that are located inner die carrier stand 2 below, the requirement on the tolerance of 1 height of inner die carrier is not high, the height of inner die carrier 1 is adjusted to accessible first hydro-cylinder 4, and also do not influence the use when the ground appears subsiding, only need through 1 whole height of inner die carrier can and need not adjust inner die carrier 1 height through the structure that changes inner die carrier 1 in first hydro-cylinder 4 is adjusted, workman's work load has been reduced, after in inner die gets into end mould and matching the roof beam, prop through second hydro-cylinder 7 and rise on matching the roof beam and drive inner die carrier 1 and centre form and rise simultaneously, it is simple swift, time and labor saving, and the lifting height of first hydro-cylinder 4 is big, can reserve great clearance between centre form and end mould and matching the roof beam in inner die installation, thereby make the centre form can not touch top steel reinforcement cage cushion and influence the construction.
Claims (6)
1. The utility model provides a die carrier in hydraulic lifting of festival section case roof beam, includes interior die carrier (1) and interior die carrier stand (2), and the vertical symmetry of interior die carrier (1) below is rotated and is connected with a plurality of pulleys (3), its characterized in that, the vertical symmetrical fixedly connected with of terminal surface has first hydro-cylinder (4) under interior die carrier stand (2), and the vertical symmetrical fixedly connected with of terminal surface is located horizontal left supporting screw (5) of first hydro-cylinder (4) under interior die carrier stand (2), and the vertical symmetrical fixedly connected with vaulting pole (6) of terminal surface under the horizontal segment of interior die carrier (1) top rightmost, interior die carrier (1) top horizontal segment rightmost lower terminal surface have the horizontal left second hydro-cylinder (7) of vaulting pole (6) of horizontal.
2. The hydraulic lifting internal formwork of a segmental box girder according to claim 1, characterized in that each first cylinder (4) is located inside each pulley (3) in the longitudinal direction.
3. A hydraulic lifting inner mould frame for section box girders according to claim 1, characterized in that the support screws (5) are located outside the pulleys (3) in the longitudinal direction.
4. The hydraulic lifting internal formwork of a section box girder according to claim 1, characterized in that each second cylinder (7) is located inside each brace rod (6) in the longitudinal direction.
5. The hydraulic lifting inner die carrier for the section box girder according to claim 1, wherein the output ends of the first oil cylinders (4) and the support screws (5) are downward.
6. The hydraulic lifting inner formwork of a segmental box girder as claimed in claim 1, characterized in that the output ends of the support rods (6) and the second oil cylinders (7) are downward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221844445.4U CN217729125U (en) | 2022-07-18 | 2022-07-18 | Hydraulic lifting internal mold frame for segment box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221844445.4U CN217729125U (en) | 2022-07-18 | 2022-07-18 | Hydraulic lifting internal mold frame for segment box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217729125U true CN217729125U (en) | 2022-11-04 |
Family
ID=83850061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221844445.4U Expired - Fee Related CN217729125U (en) | 2022-07-18 | 2022-07-18 | Hydraulic lifting internal mold frame for segment box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217729125U (en) |
-
2022
- 2022-07-18 CN CN202221844445.4U patent/CN217729125U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221104 |