CN214772778U - Prefabricated small box girder steel formwork bottom support - Google Patents
Prefabricated small box girder steel formwork bottom support Download PDFInfo
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- CN214772778U CN214772778U CN202022948242.7U CN202022948242U CN214772778U CN 214772778 U CN214772778 U CN 214772778U CN 202022948242 U CN202022948242 U CN 202022948242U CN 214772778 U CN214772778 U CN 214772778U
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- bearing
- sleeve
- screw rod
- lifting screw
- crank
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Abstract
The utility model discloses a prefabricated little case roof beam steel formwork collet, include: the lifting screw rod, the outer sleeve, the transmission part, the connecting piece and the crank; the lifting screw rod is sleeved in the outer sleeve, and the outer sleeve is provided with a transmission part and a connecting piece; the transmission part comprises a first bearing, a shell, a first helical gear, a second bearing, a third bearing, a second helical gear and a thread sleeve; the first bearing and the third bearing are arranged at the upper end and the lower end of the shell; the second bearing is arranged on the side part of the shell; two ends of the screw sleeve are respectively connected with the inner sides of the first bearing and the third bearing; the screw sleeve is sleeved on the lifting screw rod, and external threads are arranged on the screw sleeve and matched with the lifting screw rod; the second helical gear is arranged on the outer side of the thread sleeve; the first bevel gear is arranged at one end of the crank; the first helical gear is meshed with the second helical gear; the crank is sleeved with the second bearing; the bottom support can be used for randomly adjusting the prefabricated small box girder steel template within a certain height range, and is convenient to use, time-saving and labor-saving.
Description
Technical Field
The utility model relates to a roof beam steel formwork collet technical field, concretely relates to prefabricated little case roof beam steel formwork collet.
Background
Wedge-shaped square timber is commonly used when supporting a prefabricated small box girder steel template in the prior art in China, the wedge-shaped square timber is wedged between a steel template stand column and the ground in the form, and the height of the steel template is adjusted through the thickness change of the wedge-shaped square timber. The existing mode is adopted, so that a plurality of problems exist, firstly, square timber is frequently replaced on site according to the requirement of the height of the template, the timber is cracked and locally damaged when frequently used, the cost is increased, secondly, potential safety hazards exist when the steel template falls down during dismantling, and the labor cost is increased because the wedge-shaped timber needs to be specially carried when more wedge-shaped timber is transferred.
SUMMERY OF THE UTILITY MODEL
Problem to prior art, the utility model provides a prefabricated box girder steel formwork collet, this collet can be adjusted wantonly at certain height within range with prefabricated box girder steel formwork, convenient to use, labour saving and time saving.
For realizing the purpose of the utility model, the utility model adopts the following technical scheme:
a prefabricated trabecula steel formwork collet, comprising: the lifting screw rod, the outer sleeve, the transmission part, the connecting piece and the crank; the lifting screw rod is sleeved in the outer sleeve, and the outer sleeve is provided with a transmission part and a connecting piece; the transmission part comprises a bearing I, a shell, a bevel gear I, a bearing II, a bearing III, a bevel gear II and a thread sleeve; the first bearing and the third bearing are arranged at the upper end and the lower end of the shell; the second bearing is arranged on the side part of the shell; two ends of the screw sleeve are respectively connected with the inner sides of the first bearing and the third bearing; the screw sleeve is sleeved on the lifting screw rod, and external threads are arranged on the screw sleeve and matched with the lifting screw rod; the second helical gear is arranged on the outer side of the thread sleeve; the first bevel gear is installed at one end of the crank; the first bevel gear is meshed with the second bevel gear; the crank is sleeved with the second bearing.
Preferably, the lower end of the lifting screw is provided with a base.
Preferably, the connecting piece adopts a rectangular sheet structure, is positioned on the side part of the outer sleeve, and is provided with a screw hole.
Preferably, the base is rotatably connected with the bottom of the lifting screw rod through a pin shaft.
Compared with the prior art, the utility model, following beneficial effect has:
the bottom support can adjust the prefabricated small box girder steel template randomly within a certain height range, and is convenient to use, time-saving and labor-saving; the lifting support device is simple in structure, convenient to disassemble, repeatable and practical, and capable of realizing lifting support at different angles; the problems of labor cost and safety caused by frequent replacement and transportation when wedge-shaped square timbers are adopted are avoided.
Drawings
FIG. 1 is a front view of a prefabricated box girder steel formwork bottom support of the utility model;
FIG. 2 is a side sectional view of the bottom support of the prefabricated box girder steel formwork of the present invention;
FIG. 3 is an internal structural view of a transmission part of a precast box girder steel template collet of the present invention;
in the figure: the lifting screw rod 1, the outer sleeve 2, the transmission part 3, the base 4, the connecting piece 5, the crank 6, the first bearing 31, the shell 32, the first bevel gear 33, the second bearing 34, the third bearing 35, the second bevel gear 36 and the thread sleeve 37.
Detailed Description
The drawings in the embodiments of the present invention will be combined; to the technical scheme in the embodiment of the utility model, clearly, describe completely:
as shown in fig. 1-3, in one embodiment of the present invention, a prefabricated box girder steel formwork bottom support comprises: the lifting screw rod 1, the outer sleeve 2, the transmission part 3, the connecting piece 5 and the crank 6; the lifting screw rod 1 is sleeved in the outer sleeve 2, and the outer sleeve 2 is provided with a transmission part 3 and a connecting piece 5; the transmission part 3 comprises a first bearing 31, a shell 32, a first bevel gear 33, a second bearing 34, a third bearing 35, a second bevel gear 36 and a thread sleeve 37; the first bearing 31 and the third bearing 35 are arranged at the upper end and the lower end of the shell 32; the second bearing 34 is arranged on the side part of the shell 32; two ends of the thread sleeve 37 are respectively connected with the inner sides of the first bearing 31 and the third bearing 35; the screw sleeve 37 is sleeved on the lifting screw rod 1, and external threads are arranged on the screw sleeve 37 and matched with the lifting screw rod 1; the second bevel gear 36 is installed on the outer side of the thread sleeve 37; the first bevel gear 33 is arranged at one end of the crank 6; the first bevel gear 33 is meshed with the second bevel gear 36; the crank 6 is sleeved with a second bearing 34.
In a specific embodiment of the present invention, for fixing, the lower end of the lifting screw 1 is provided with a base 4.
In a specific embodiment of the present invention, the connecting member 5 is a rectangular sheet structure, and is located at the side of the outer sleeve 2, and the connecting member 5 is provided with a screw hole; the outer side wall of the steel formwork of the small precast box girder is conveniently connected.
The utility model discloses a concrete embodiment, in order to satisfy the fixed lift demand of multi-angle, base 4 and lifting screw 1 bottom be connected through the round pin axle is rotatable.
During the specific use, through connecting piece 5 with this collet and prefabricated little case roof beam steel formwork lateral wall fixed connection, fix base 4 in suitable position, wave crank 6 and make overcoat 2 climb or descend on lifting screw 1, drive prefabricated little case roof beam steel formwork simultaneously and rise or descend.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention, and all the technical solutions and the improvement concepts should be covered by the protection scope of the present invention.
Claims (4)
1. A prefabricated trabecula steel formwork collet, comprising: the lifting screw rod, the outer sleeve, the transmission part, the connecting piece and the crank; the method is characterized in that: the lifting screw rod is sleeved in the outer sleeve, and the outer sleeve is provided with a transmission part and a connecting piece; the transmission part comprises a bearing I, a shell, a bevel gear I, a bearing II, a bearing III, a bevel gear II and a thread sleeve; the first bearing and the third bearing are arranged at the upper end and the lower end of the shell; the second bearing is arranged on the side part of the shell; two ends of the screw sleeve are respectively connected with the inner sides of the first bearing and the third bearing; the screw sleeve is sleeved on the lifting screw rod, and external threads are arranged on the screw sleeve and matched with the lifting screw rod; the second helical gear is arranged on the outer side of the thread sleeve; the first bevel gear is installed at one end of the crank; the first bevel gear is meshed with the second bevel gear; the crank is sleeved with the second bearing.
2. The precast trabecula steel formwork bottom support according to claim 1, characterized in that: the lower end of the lifting screw rod is provided with a base.
3. The precast trabecula steel formwork bottom support according to claim 1, characterized in that: the connecting piece adopt a rectangular sheet structure, is positioned at the side part of the outer sleeve and is provided with a screw hole.
4. The precast trabecula steel formwork bottom support according to claim 2, characterized in that: the base is rotatably connected with the bottom of the lifting screw rod through a pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022948242.7U CN214772778U (en) | 2020-12-08 | 2020-12-08 | Prefabricated small box girder steel formwork bottom support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022948242.7U CN214772778U (en) | 2020-12-08 | 2020-12-08 | Prefabricated small box girder steel formwork bottom support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214772778U true CN214772778U (en) | 2021-11-19 |
Family
ID=78710781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022948242.7U Active CN214772778U (en) | 2020-12-08 | 2020-12-08 | Prefabricated small box girder steel formwork bottom support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214772778U (en) |
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2020
- 2020-12-08 CN CN202022948242.7U patent/CN214772778U/en active Active
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