CN211848939U - Box girder template support - Google Patents
Box girder template support Download PDFInfo
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- CN211848939U CN211848939U CN201921953810.3U CN201921953810U CN211848939U CN 211848939 U CN211848939 U CN 211848939U CN 201921953810 U CN201921953810 U CN 201921953810U CN 211848939 U CN211848939 U CN 211848939U
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- support
- jack
- support part
- box girder
- base stone
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Abstract
The utility model provides a box girder template support, includes a plurality of jacks, a plurality of screw rods, a plurality of top holds in the palm, a plurality of flitch, goes up the base stone, support, base stone, support base stone, its characterized in that, the screw rod sets up in the jack pressurization off-load screw hole that corresponds, the top holds in the palm the setting on the jack upper portion that corresponds, the flitch sets up on the top that corresponds holds in the palm upper portion, go up the base stone with the support reaches the base stone constitutes the side support, the side support sets up jack one side. The device's application, when having avoided removing the mould, the condition that template and flitch can not be torn open takes place, has improved engineering quality and progress, has fine practical meaning.
Description
Technical Field
The utility model belongs to municipal bridge engineering field mainly relates to a locate box girder template support at bridge beam supports. Provides a more convenient and effective method for the installation and the disassembly of the template at the bridge bearing, and has good practical significance.
Background
At present, in order to develop economy and accelerate traffic construction, more and more railways and bridges are in rapid transformation and construction in China. Especially, the distance between two places is shortened in the construction of the bridge, the transportation cost is reduced, and the trip mode is convenient and fast. However, some construction processes are troubling the engineering builder in the process of building the bridge. Particularly, in the installation and construction process of a bridge engineering support, because the distance between the bottom of the box girder and the abutment is small and is only 300-400 mm in height difference, the bottom template of the base stone on the bottom of the box girder and the support is difficult to construct during installation and removal. If a better process is available to solve the above problems, the process can be more efficiently carried out.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a case roof beam template support. The device and the method are applied, so that the condition that the template and the battens cannot be disassembled when the template is disassembled is avoided, the engineering quality and progress are improved, and the device and the method have good practical significance.
The utility model adopts the technical proposal that:
a box girder template support comprises a plurality of jacks, a plurality of screw rods, a plurality of jacking brackets, a plurality of battens, upper cushion stones, supports, lower cushion stones and support cushion stones, wherein the screw rods are arranged in corresponding jack pressure and unloading threaded holes, the jacking brackets are arranged at the upper parts of the corresponding jacks, the battens are arranged at the upper parts of the corresponding jacking brackets, the upper cushion stones, the supports and the lower cushion stones form side supports, and the side supports are arranged on one sides of the jacks;
further, the support comprises an upper support part, a middle support part and a lower support part, wherein the upper support part is in a lower convex arc shape, the lower support part is in an upper convex arc shape, the middle support part is in an arc shape, the lower surface of the upper support part is matched with the upper surface of the middle support part, and the lower surface of the middle support part is matched with the upper surface of the lower support part; thereby enabling the support to automatically center and bear larger load;
further, the cross section of the upper cushion stone is square or round;
further, the cross section of the lower cushion stone is square or round;
further, a jack base is arranged at the bottom of the jack;
furthermore, the jack base and the jack are detachably connected.
The utility model has the advantages that:
1. the construction device is simple to install and convenient to disassemble.
2. The construction speed is fast, has saved a large amount of manpower and materials.
3. When the form can be removed, the condition that the form and the battens cannot be removed is avoided, and the quality of the engineering entity and the construction progress are improved.
Drawings
Fig. 1 is a plan view of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of 1-1 of FIG. 1;
fig. 3 is a partial structure view of the section 2-2 in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 belong to the protection scope of the present invention.
Secondly, the technical terms such as "first", "second", "up", "down", "left", "right", "front", "back", "far", "near", etc. mentioned in the present invention are technical terms known clearly in the technical field and some position or spatial definitions performed for convenience of describing the embodiment, and are not limiting of the present invention, so it is not necessary to make much explanation.
Example 1
A box girder template support comprises a plurality of jacks 1, a plurality of screw rods 2, a plurality of jacking supports 3, a plurality of battens 4, upper cushion stones 5, supports 6, lower cushion stones 7 and support cushion stones 8, wherein the screw rods are arranged in corresponding jack pressure and unloading threaded holes, the jacking supports are arranged at the upper parts of the corresponding jacks, the battens are arranged at the upper parts of the corresponding jacking supports, the upper cushion stones, the supports and the lower cushion stones form side supports, and the side supports are arranged on one sides of the jacks;
further, the support comprises an upper support part, a middle support part and a lower support part, wherein the upper support part is in a lower convex arc shape, the lower support part is in an upper convex arc shape, the middle support part is in an arc shape, the lower surface of the upper support part is matched with the upper surface of the middle support part, and the lower surface of the middle support part is matched with the upper surface of the lower support part; thereby enabling the support to automatically center and bear larger load;
the appearance design and the specific connection and installation mode are shown in the attached figures 1-3 in detail. (unit: mm)
The installation method comprises the following steps:
1. on-site measurement personnel pay out the bottom template altitude of the box girder on the bridge pier and the bridge abutment;
2. before the bottom template elevation line is released, the lower cushion stone and the support are installed and constructed;
3. and respectively placing a hand-operated portable jack with the bearing of not less than 2T at the position 300mm away from the east and the west of the support base cushion stone. The hand-operated portable jack consists of a jack group and a screw rod. The distance between every two jacks is 600mm, and the jacks on the east and west sides are arranged in a staggered mode (similar to quincunx arrangement in steel bar binding), so that the jacks can be conveniently pressurized and unloaded by the screw rods.
4. The top of the jack is matched with 8# (80mm multiplied by 43mm multiplied by 5.0mm) channel steel, and the north and south are arranged in a through way. The top of the channel steel supports and places battens (5mm multiplied by 8mm multiplied by 3000mm), and the construction width of the area is only 1.5m, 3m battens are cut off during taking, and the distance between the south and the north of the battens is 200 mm.
5. After the height of the jack is adjusted up and down by hand-cranking the screw rod, a box girder bottom template is laid.
6. And after connecting and installing the box girder steel bars, pouring concrete. And unloading the jack after the concrete curing strength reaches the design requirement.
7. And taking out the jack combination, and dismantling the flitch and the box girder bottom template.
8. And repeating the procedures to carry out the installation construction of the bottom templates of the box girders at other support seats.
Example two:
a method for installing a box girder template at a bridge bearing comprises the following steps of: the method comprises the following steps: a jack; secondly, the step of: a screw; ③: jacking (8# channel steel); fourthly, the method comprises the following steps: the wood block is 5mm multiplied by 8mm multiplied by 300 mm; fifthly: putting a cushion stone; sixthly, the method comprises the following steps: a support; seventh, the method comprises the following steps: a lower cushion stone; and (v): and (5) supporting base cushion stones.
1. On-site measurement personnel pay out the bottom template altitude of the box girder on the bridge pier and the bridge abutment;
2. before the bottom template elevation line is released, the lower cushion stone and the support are installed and constructed;
3. and respectively placing a hand-operated portable jack with the bearing of not less than 2T at the position 300mm away from the east and the west of the support base cushion stone. The hand-operated portable jack consists of a jack group and a screw rod. The distance between every two jacks is 600mm, and the jacks on the east and west sides are arranged in a staggered mode (similar to quincunx arrangement in steel bar binding), so that the jacks can be conveniently pressurized and unloaded by the screw rods.
4. The top of the jack is matched with 8# (80mm multiplied by 43mm multiplied by 5.0mm) channel steel, and the north and south are arranged in a through way. The top of the channel steel supports and places battens (5mm multiplied by 8mm multiplied by 3000mm), and the construction width of the area is only 1.5m, 3m battens are cut off during taking, and the distance between the south and the north of the battens is 200 mm.
5. After the height of the jack is adjusted up and down by hand-cranking the screw rod, a box girder bottom template is laid.
6. And after connecting and installing the box girder steel bars, pouring concrete. And unloading the jack after the concrete curing strength reaches the design requirement.
7. And taking out the jack combination, and dismantling the flitch and the box girder bottom template.
8. And repeating the procedures to carry out the installation construction of the bottom templates of the box girders at other support seats.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.
Claims (6)
1. The utility model provides a box girder template support, includes a plurality of jacks, a plurality of screw rods, a plurality of top holds in the palm, a plurality of flitch, goes up the base stone, support, base stone, support base stone, its characterized in that, the screw rod sets up in the jack pressurization off-load screw hole that corresponds, the top holds in the palm the setting on the jack upper portion that corresponds, the flitch sets up on the top that corresponds holds in the palm upper portion, go up the base stone with the support reaches the base stone constitutes the side support, the side support sets up jack one side.
2. A box girder template support according to claim 1, wherein the support is composed of an upper support part, a middle support part and a lower support part, the upper support part is in a shape of a lower convex arc, the lower support part is in a shape of an upper convex arc, the middle support part is in a shape of an arc, a lower surface of the upper support part is engaged with an upper surface of the middle support part, and a lower surface of the middle support part is engaged with an upper surface of the lower support part.
3. A box girder template support according to claim 1, wherein the upper bolster is square or circular in cross section.
4. A box girder template support according to claim 1, wherein the cross-section of the lower bolster is square or circular.
5. A box girder formwork support as claimed in claim 1, wherein a jack mount is provided at a bottom of the jack.
6. A box girder template support according to claim 1, wherein the jack base is detachably connected to the jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921953810.3U CN211848939U (en) | 2019-11-13 | 2019-11-13 | Box girder template support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921953810.3U CN211848939U (en) | 2019-11-13 | 2019-11-13 | Box girder template support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211848939U true CN211848939U (en) | 2020-11-03 |
Family
ID=73217998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921953810.3U Active CN211848939U (en) | 2019-11-13 | 2019-11-13 | Box girder template support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211848939U (en) |
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2019
- 2019-11-13 CN CN201921953810.3U patent/CN211848939U/en active Active
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