CN217226059U - Jig frame fixing mechanism for prefabricated box girder - Google Patents
Jig frame fixing mechanism for prefabricated box girder Download PDFInfo
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- CN217226059U CN217226059U CN202122301065.8U CN202122301065U CN217226059U CN 217226059 U CN217226059 U CN 217226059U CN 202122301065 U CN202122301065 U CN 202122301065U CN 217226059 U CN217226059 U CN 217226059U
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Abstract
The utility model belongs to the technical field of precast box girders, in particular to a bed-jig fixing mechanism for precast box girders, which comprises a bed frame, wherein an adjusting component which is convenient for realizing height adjustment is also arranged on the bed frame; the device can effectively adjust the height of the top of the base frame through the arranged adjusting component, so that the manufacturing requirements of prefabricated box girders with different heights can be met, and great convenience is brought to use; simultaneously, can be through the removal subassembly that sets up, effectual drive bed frame removes to when fixed, through hydraulic telescoping rod's flexible, can increase fixed stability.
Description
Technical Field
The utility model belongs to the technical field of the prefabricated box girder, concretely relates to bed-jig fixed establishment for prefabricated box girder.
Background
The box girder is one of the middle girders in bridge engineering, the inner part is hollow, the two sides of the upper part are provided with flanges, the box girder is divided into a prefabricated box girder and a cast-in-place box girder, the box girder prefabricated in an independent field can be erected after the lower part engineering is finished by combining a bridge erecting machine, the engineering progress can be accelerated, the construction period can be saved, so the application of the prefabricated box girder in the bridge construction is more and more extensive, the moulding bed is a mould, the scaffold mainly plays a role in bearing and bearing stress, is special process equipment for facilitating the assembly and welding of mechanical equipment, is widely applied in template engineering, steel structure installation engineering and bridge engineering, the moulding bed is often required to be fixedly positioned when the prefabricated box girder is manufactured, but the heights of most of the existing moulding beds are fixed, so that when the prefabricated box girders with different heights are required to be fixed, the moulding beds with different heights are required to be replaced after tasting, which is troublesome, the labor intensity of workers is also increased.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a bed-jig fixing mechanism for prefabricated box roof beam has height-adjusting, satisfies the characteristics of not co-altitude prefabricated box roof beam preparation.
In order to achieve the above object, the utility model provides a following technical scheme: a jig frame fixing mechanism for a precast box girder comprises a base frame, wherein an adjusting assembly convenient for realizing height adjustment is further mounted on the base frame;
the adjusting component comprises a bottom plate, a lower rotating frame, an upper rotating frame, a top plate, moving blocks, threaded rods and connecting rods, wherein the top end of the bottom plate is rotatably connected with the lower rotating frame, the top end of the lower rotating frame is rotatably connected with the upper rotating frame, the top end of the upper rotating frame is rotatably connected with the top plate, the inner sides of the lower rotating frame are fixedly connected with the moving blocks through fixing rods, the threaded rods are in threaded connection with the inner sides of the moving blocks, the connecting rods are rotatably connected at the central positions of the front end and the rear end of the two groups of upper rotating frames and the two groups of lower rotating frames which are positioned on the left side, the number of the lower rotating frames and the number of the upper rotating frames are three, the lower rotating frames and the upper rotating frames are symmetrically arranged up and down, three threaded shafts are arranged on the threaded rods, and the thread directions of the two threaded shafts positioned on the left side are opposite to the thread direction of the threaded shafts positioned on the right side, and the lengths of the three threaded shafts are the same.
As the utility model relates to a prefabricated for case roof beam bed-jig fixed establishment preferred, adjusting part still includes gear wheel and pinion, threaded rod right side fixedly connected with the gear wheel, the meshing of the gear wheel outside is connected with the pinion.
As the utility model relates to a bed-jig fixed establishment is preferred for precast box girder, adjusting part is still including the connecting piece and remove the wheel, the bed frame bottom left and right sides all rotates and is connected with the connecting piece, the connecting piece bottom left and right sides all rotates and is connected with remove the wheel.
As the utility model relates to a bed-jig fixed establishment is preferred for precast box girder, adjusting part is still including being convenient for carry out the removal subassembly that removes, it is still including hydraulic telescoping rod to remove the subassembly, bed frame bottom fixedly connected with hydraulic telescoping rod, hydraulic telescoping rod's total 5 of number, hydraulic telescoping rod is the equidistance setting.
As the utility model relates to a bed-jig fixed establishment is preferred for precast box girder, remove the subassembly still including the slipmat, hydraulic telescoping rod bottom fixedly connected with the slipmat.
Compared with the prior art, the beneficial effects of the utility model are that: the device can effectively adjust the height of the top of the base frame through the arranged adjusting component, thereby meeting the manufacturing requirements of prefabricated box girders with different heights and greatly facilitating the use; simultaneously, can be through the removal subassembly that sets up, effectual drive bed frame removes to when fixed, through hydraulic telescoping rod's flexible, can increase fixed stability.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the overall structure of the adjusting assembly of the present invention;
fig. 3 is a schematic view of the overall structure of the moving block of the present invention;
fig. 4 is a schematic view of the overall structure of the middle gear wheel of the present invention.
In the figure:
1. a base frame;
2. an adjustment assembly; 21. a base plate; 22. a lower rotating frame; 23. an upper rotating frame; 24. a top plate; 25. a moving block; 26. a threaded rod; 27. a connecting rod; 28. a bull gear; 29. a pinion gear;
3. a moving assembly; 31. a connecting member; 32. a moving wheel; 33. a hydraulic telescopic rod; 34. provided is a non-slip mat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
As shown in fig. 1:
a jig frame fixing mechanism for a precast box girder comprises a base frame 1.
In this embodiment: most of existing bed frames 1 are fixedly arranged, the height of the bed frame 1 can not be effectively adjusted according to actual use requirements, and therefore when the precast box girders with different heights need to be manufactured, the bed frame 1 often needs to be replaced, so that inconvenience in use is caused, and the adjusting component 2 is added on the basis.
Further, the method comprises the following steps:
as shown in fig. 1, 2, 3 and 4:
with the above in mind: the adjusting component 2 comprises a bottom plate 21, a lower rotating frame 22, an upper rotating frame 23, a top plate 24, moving blocks 25, threaded rods 26 and connecting rods 27, wherein the top end of the bottom plate 21 is rotatably connected with the lower rotating frame 22, the top end of the lower rotating frame 22 is rotatably connected with the upper rotating frame 23, the top end of the upper rotating frame 23 is rotatably connected with the top plate 24, the inner sides of the lower rotating frame 22 are fixedly connected with the moving blocks 25 through fixing rods, the threaded rods 26 are connected with the inner sides of the moving blocks 25 through threads, the connecting rods 27 are rotatably connected at the central positions of the front ends and the rear ends of the left two groups of upper rotating frames 23 and the lower rotating frames 22, the number of the lower rotating frames 22 and the number of the upper rotating frames 23 are three, the lower rotating frames 22 and the upper rotating frames 23 are symmetrically arranged up and down, three threaded shafts are arranged on the threaded rods 26, the thread directions of the two threaded shafts on the left side are opposite to the thread direction of the thread shafts on the right side, and the lengths of the three threaded shafts are the same.
In this embodiment: when the movable type roof support is used, the threaded rod 26 can be rotated to drive the movable block 25 to move the movable block 25, so that the movable block 25 can enable the lower rotating frame 22 and the upper rotating frame 23 to deform, the roof 24 can be moved up and down, and the connecting rod 27 can enable the movement to be more stable.
It should be noted that: the direction of rotation of the lower rotary frame 22 is correlated with the direction of movement of the moving block 25, and the direction of movement of the moving block 25 is correlated with the direction of rotation of the threaded rod 26.
It should be noted that: since the lower rotating frame 22 and the upper rotating frame 23 are the same in size, the rotating angles of the lower rotating frame 22 and the upper rotating frame 23 are also the same during the rotating process, so that the top plate 24 and the bottom plate 21 can be always in a parallel state.
It should be noted that: so be convenient for drive through left two screw shafts and be located left lower rotating turret 22 and rotate to one side, and drive through the screw shaft on right side and be located the lower rotating turret 22 on right side and rotate to the opposite side to can make lower rotating turret 22 cooperate last rotating turret 23 can realize firm fixed.
Further, the method comprises the following steps of;
in an alternative embodiment, the adjusting assembly 2 further comprises a large gear 28 and a small gear 29, the large gear 28 is fixedly connected to the right side of the threaded rod 26, and the small gear 29 is engaged and connected to the outer side of the large gear 28.
In this embodiment: therefore, only the rotating handle positioned on the inner side of the small gear 29 needs to be rotated, the small gear 29 can be effectively driven to rotate, the large gear 28 can be driven to rotate, the threaded rod 26 can be driven to rotate through the large gear 28, and much labor is saved compared with the situation that the threaded rod 26 is directly rotated.
As shown in fig. 1:
this for precast box girder bed-jig fixed establishment still including being convenient for carry on the removal subassembly 3, remove subassembly 3 and still including connecting piece 31 and removal wheel 32, the 1 bottom left and right sides of bed frame is all rotated and is connected with connecting piece 31, and the 31 bottom left and right sides of connecting piece is all rotated and is connected with removal wheel 32.
In this embodiment: can remove through removing wheel 32 drive arrangement like this, remove wheel 32 below and be provided with four universal wheels in addition, can make the removal more stable like this to because connecting piece 31 is connected with removing wheel 32 and is rotated, and connecting piece 31 also is connected with bed frame 1 is rotated, can make the wheel 32 of removing when removing like this, the jolt of reply road surface that can be fine.
Further, the method comprises the following steps of;
in an optional embodiment, the moving assembly 3 further includes hydraulic telescopic rods 33, the bottom end of the base frame 1 is fixedly connected with the hydraulic telescopic rods 33, the number of the hydraulic telescopic rods 33 is 5, and the hydraulic telescopic rods 33 are equidistantly arranged.
In this embodiment: can realize the contact through hydraulic telescoping rod 33 lapse like this with ground to can play fine fixed action, make the fixed of device more stable.
Further, the method comprises the following steps of;
in an alternative embodiment, the moving assembly 3 further comprises a non-slip pad 34, and the non-slip pad 34 is fixedly connected to the bottom end of the hydraulic telescopic rod 33.
In this embodiment: this further improves the anti-slip effect by the anti-slip pad 34, thereby improving the stability of the fixation.
It should be noted that: the material of the non-slip mat 34 is preferably a rubber material.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a bed-jig fixed establishment for precast box girder, includes bed frame (1), its characterized in that: the base frame (1) is also provided with an adjusting component (2) which is convenient for realizing height adjustment;
the adjusting component (2) comprises a bottom plate (21), a lower rotating frame (22), an upper rotating frame (23), a top plate (24), a moving block (25), a threaded rod (26) and connecting rods (27), the top end of the bottom plate (21) is rotatably connected with the lower rotating frame (22), the top end of the lower rotating frame (22) is rotatably connected with the upper rotating frame (23), the top end of the upper rotating frame (23) is rotatably connected with the top plate (24), the inner side of the lower rotating frame (22) is fixedly connected with the moving block (25) through a fixed rod, the threaded rod (26) is in threaded connection with the inner side of the moving block (25), the central positions of the front end and the rear end of the two groups of upper rotating frames (23) and the lower rotating frame (22) on the left side are both rotatably connected with the connecting rods (27), and the number of the lower rotating frames (22) and the upper rotating frames (23) is three, lower rotating frame (22) with last rotating frame (23) are symmetry setting from top to bottom, be provided with three threaded spindle above threaded rod (26), the screw direction that is located two left threaded spindles is opposite with the screw direction that is located right side threaded spindle, and the length of three threaded spindles is the same.
2. The jig frame fixing mechanism for precast box girders according to claim 1, characterized in that: adjusting part (2) still include gear wheel (28) and pinion (29), threaded rod (26) right side fixedly connected with gear wheel (28), gear wheel (28) outside meshing is connected with pinion (29).
3. The jig frame fixing mechanism for precast box girders according to claim 1, characterized in that: adjusting part (2) still including connecting piece (31) and removal wheel (32), the bed frame (1) bottom left and right sides all rotates and is connected with connecting piece (31), the connecting piece (31) bottom left and right sides all rotates and is connected with remove wheel (32).
4. The jig frame fixing mechanism for precast box girders according to claim 1, characterized in that: adjusting part (2) are still including being convenient for carry out the removal subassembly (3) that remove, remove subassembly (3) still including hydraulic telescoping rod (33), bed frame (1) bottom fixedly connected with hydraulic telescoping rod (33), hydraulic telescoping rod (33) number is total 5, hydraulic telescoping rod (33) are the equidistance and set up.
5. The jig frame fixing mechanism for precast box girders according to claim 4, characterized in that: the moving assembly (3) further comprises an anti-skid pad (34), and the bottom end of the hydraulic telescopic rod (33) is fixedly connected with the anti-skid pad (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122301065.8U CN217226059U (en) | 2021-09-23 | 2021-09-23 | Jig frame fixing mechanism for prefabricated box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122301065.8U CN217226059U (en) | 2021-09-23 | 2021-09-23 | Jig frame fixing mechanism for prefabricated box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217226059U true CN217226059U (en) | 2022-08-19 |
Family
ID=82816657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122301065.8U Active CN217226059U (en) | 2021-09-23 | 2021-09-23 | Jig frame fixing mechanism for prefabricated box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217226059U (en) |
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2021
- 2021-09-23 CN CN202122301065.8U patent/CN217226059U/en active Active
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