CN208995895U - A kind of mounting structure of box beam I-steel - Google Patents
A kind of mounting structure of box beam I-steel Download PDFInfo
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- CN208995895U CN208995895U CN201821680939.7U CN201821680939U CN208995895U CN 208995895 U CN208995895 U CN 208995895U CN 201821680939 U CN201821680939 U CN 201821680939U CN 208995895 U CN208995895 U CN 208995895U
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- mounting structure
- fitting
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Abstract
The utility model relates to a kind of mounting structures of box beam I-steel, it includes box beam ontology and I-steel, the bottom of the box beam ontology is along its length or width direction is equipped with several equidistant built-in fittings, the built-in fitting bottom stretches out box beam ontology and is fixedly connected with mounting rack, and the mounting rack is passed through in box shape and for I-steel.The utility model has the effect of that I-steel is easier for installation.
Description
Technical field
The utility model relates to Technology Bridge Strengthening fields, more particularly, to a kind of mounting structure of box beam I-steel.
Background technique
Box beam is one of science of bridge building, and inside is hollow shape, and there are the edge of a wing in top two sides, similar chest, thus is gained the name
" box beam ".In the various types of bridges currently occurred, prefabricated PC concrete box-beam bridge is due to structure type
Simply, prefabricated convenience, be easy to the features such as batch production and standardized construction, have become common bridge in Bridges in Our Country engineering at present
Type.In order to reinforce the structural strength of this prefabricated PC concrete box-beam bridge, it usually needs be fixedly mounted below pontic
Several I-steel.
I-steel is also referred to as girder steel, be section be I-shaped strip steel, be widely used as various building structure, bridge, vehicle
, the primary structure member of bracket, machinery etc..
I-steel dead weight is larger, therefore I-steel is all usually during installation that designated position is carried to by tower crane then
It is installed, but since I-steel itself is longer, the easy force unbalance of I-steel is flipped when tower crane slings I-steel,
It makes troubles to the installation of I-steel.
Utility model content
The purpose of the utility model is to provide a kind of mounting structures of box beam I-steel, have I-steel easier for installation
Effect.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of mounting structure of box beam I-steel, including box beam ontology and I-steel, the bottom of the box beam ontology is along length
It spends direction or width direction is equipped with several equidistant built-in fittings, the built-in fitting bottom is stretched out box beam ontology and is fixedly connected with
Mounting rack, the mounting rack are passed through in box shape and for I-steel.
First one end of I-steel is worn when I-steel is installed in the bottom of box beam ontology by using above-mentioned technical proposal
Mounting rack is crossed, then I-steel is pushed to move between several mounting racks, mounting rack provides bearing guiding for I-steel is mobile
Effect；And the I-steel box beam ontology that reclines always can be kept mobile, reduce the later period lift lift I-steel needed for manpower and material resources, move
Dynamic I-steel is also more time saving and energy saving, and installation I-steel is more convenient.
Further preferably are as follows: the distance between two neighboring described built-in fitting is less than the length of I-steel.
By using above-mentioned technical proposal, the distance between two neighboring built-in fitting is less than the length of I-steel, then can be with
Guarantee that I-steel during advance, there are at least two mounting racks to support I-steel, I-steel is not easy from installation always
It falls in frame, I-steel is helped without staff's moment.
Further preferably are as follows: the mounting rack includes that two side levers and a foundation bar, the both ends of the bottom bar are installed respectively
Be equipped with clamping portion at the top of the bottom of two side levers, two side levers, the built-in fitting close to bottom position be equipped with it is described
The card slot of clamping portion cooperation.
By using above-mentioned technical proposal, mounting rack includes two side levers and a foundation bar, and two side levers and built-in fitting
It is clamped by the mating reaction of clamping portion and card slot, is then removable structure between mounting rack and built-in fitting, is moved through in I-steel
Cheng Zhong, the built-in fitting that the mounting rack that front I-steel can be left is disassembled and is mounted in I-steel direction of advance one by one
On, to realize the recycling of mounting rack, it is possible to reduce the usage quantity of mounting rack saves cost.
Further preferably are as follows: the clamping portion include about two with respect to and perpendicular to side lever clamping item, wherein top
Clamping item be embedded in the card slot, the clamping upper surface of lower section and the bottom surface of built-in fitting contradict, on two clamping items
Equipped with for keeping the fastener fixed with built-in fitting.
By using above-mentioned technical proposal, clamping portion is constituted by about two with respect to and perpendicular to the clamping item of side lever, is led to
The clamping for upper one being clamped, side lever and built-in fitting can be realized in item insertion card slot is crossed, clamping structure is simple, easy for installation.
Further preferably are as follows: the fastener includes fastening bolt, and the fastening bolt is fixed on two clamping items vertically
And on the built-in fitting between two clamping items.
By using above-mentioned technical proposal, installation is fixed by fastening bolt between two clampings item and built-in fittings,
The fixing intensity being clamped between item and built-in fitting is high, and clamping item is not easy to rotate in card slot, thereby may be ensured that two side levers with
Always the box shape passed through for I-steel is all kept between bottom bar.
Further preferably are as follows: the bottom bar is rotatably installed in the bottom of two side levers.
By using above-mentioned technical proposal, bottom bar is rotatably installed in the bottom of two side levers, then when promotion I-steel is being pacified
When shelving mobile, bottom bar can be freely rotated, and reduce the frictional resistance in I-steel moving process, and mobile I-steel more holds
It is easily laborsaving.
Further preferably are as follows: the bottom of two bottom bars offers axle sleeve, is fixedly installed with bearing in the axle sleeve,
The end of the bottom bar is fixedly connected with the inner ring of the bearing.
By using above-mentioned technical proposal, the both ends of bottom bar and the bearing inner race of two side lever bottoms are fixed, and bottom bar passes through
Bearing carries out rotating resistance when can reduce bottom bar rotation between side lever bottom, and bottom bar rotation is more convenient, is not easy to block.
Further preferably are as follows: one end of the bottom bar be equipped with diameter be greater than the sleeve diameter head, bottom bar it is another
End is equipped with external screw thread, and screw thread is equipped with nut on the external screw thread.
By using above-mentioned technical proposal, one end setting diameter of bottom bar is greater than the head of sleeve diameter, and the other end then exists
Nut is installed across two side lever rear threads, bottom bar can be made more steadily to rotate and be socketed on axle sleeve, bottom bar is not easy from two
The bottom of root side lever slides out, to more stably provide bearing guiding role for I-steel.
Further preferably are as follows: two sides the widest part of the I-steel is contradicted with two side levers.
By using above-mentioned technical proposal, two sides the widest part of I-steel is contradicted with two side levers, then two side levers can
To be limited to I-steel, prevent I-steel during Forward moving direction deviate, reduce I-steel Forward during with
A possibility that next mounting rack misplaces.
In conclusion the utility model has the following beneficial effects:
1. several equidistant built-in fittings are arranged in the bottom of box beam ontology, the bottom of built-in fitting is fixed with for I-steel
By mounting rack, by push I-steel slid between several mounting racks, I-steel can be made smoothly to be moved to target
Installation site, I-steel are mobile and easier for installation；
2. mounting rack is assembled by two side levers and a foundation bar, and two side levers by clamping portion and card slot with it is pre-buried
Part clamping is removable structure between mounting rack and built-in fitting, so as to which mounting rack is recycled, reduces the number for using mounting rack
Amount saves cost；
3. being rotation connection between bottom bar and two side levers, during I-steel Forward, bottom bar can rotate automatically, help
Frictional resistance during reducing I-steel Forward between bottom bar, I-steel Forward are easier.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the present embodiment；
Fig. 2 is the structural schematic diagram of built-in fitting and mounting rack in Fig. 1.
In figure, 1, box beam ontology；2, I-steel；3, built-in fitting；31, card slot；4, mounting rack；41, side lever；411, axle sleeve；
412, bearing；42, bottom bar；421, head；422, external screw thread；423, nut；43, it is clamped item；5, fastener.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It referring to Fig.1, is a kind of mounting structure of box beam I-steel disclosed by the utility model, including box beam ontology 1 and work
Word steel 2, the bottom of box beam ontology 1 along its length or width direction be equidistantly fixed with several built-in fittings 3(the present embodiment with
It is fixed for three built-in fittings 3 along 1 length direction of box beam ontology).The bottom of built-in fitting 3 is fixedly connected with the installation in box shape
Frame 4, I-steel 2 can be passed through from mounting rack 4.
As shown in Fig. 2, mounting rack 4 includes that two side levers 41 and a foundation bar 42, the top of two side levers 41 are fixed respectively
In the opposite sides of built-in fitting 3, I-steel 2 from mounting rack 4 pass through when, two sides the widest part of I-steel 2 with two side levers
41 abut.The bottom of two side levers 41 is fixed with a bearing 412, bearing 412 in axle sleeve 411 integrally formed with axle sleeve 411
Outer ring fixed with 411 inner sidewall of axle sleeve, the both ends of bottom bar 42 are fixedly connected with the inner ring of two bearings 412 respectively.
When needing for I-steel 2 to be carried to the designated position of 1 bottom of box beam ontology, first one end of I-steel 2 is passed through
The bottom of mounting rack 4, I-steel 2 is abutted with bottom bar 42.I-steel 2 is pushed to be moved in mounting rack 4, several mounting racks
4 provide bearing and guiding role for I-steel 2, and I-steel 2 is facilitated smoothly to be moved to designated position.
Bottom bar 42 is easy the problem of falling off out of bearing 412, one end of bottom bar 42 when receiving external collision in order to prevent
Integrally formed with head 421, head 421 is cylindrical and diameter is greater than the internal diameter of axle sleeve 411.The other end of bottom bar 42 is equipped with outer
Screw thread 422, screw thread is furnished with nut 423 on external screw thread 422.
The top of two side levers 41 integrally formed with clamping portion, two side levers 41 by clamping portion and fastener 5 with
Built-in fitting 3 is fixedly connected.Clamping portion include about two with respect to and perpendicular to side lever 41 clamping item 43, built-in fitting 3 is the bottom of close to
Portion position is opened up there are two card slot 31, and two card slots 31 are located at the opposite sides of built-in fitting 3.In two clamping items 43, compared with
In a upper clamping item 43 insertion card slot 31, the upper surface of more next clamping item 43 is abutted with the bottom surface of built-in fitting 3.Fastener
5 be two fastening bolts, and fastening bolt passes vertically through the built-in fitting 3 between two clamping items 43 and two clamping items 43, thus
Clamping item 43 and built-in fitting 3 are fixedly secured.Two side levers 41 by will be clamped item 43 be embedded in card slot 31 in, and with fasten spiral shell
Bolt is fixed with built-in fitting 3.
The implementation principle of the present embodiment are as follows: three equidistant built-in fittings 3, the bottom of built-in fitting 3 is arranged in the bottom of box beam ontology 1
Portion is fixed with the mounting rack 4 passed through for I-steel 2, can be with by pushing I-steel 2 to slide between several mounting racks 4
I-steel 2 is set smoothly to be moved to object mounting position, I-steel 2 is mobile and easier for installation.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (9)
1. a kind of mounting structure of box beam I-steel, including box beam ontology (1) and I-steel (2), it is characterised in that: the box beam
The bottom of ontology (1) is along its length or width direction is equipped with several equidistant built-in fittings (3), built-in fitting (3) bottom
It stretches out box beam ontology (1) and is fixedly connected with mounting rack (4), the mounting rack (4) is worn in box shape and for I-steel (2)
It crosses.
2. a kind of mounting structure of box beam I-steel according to claim 1, it is characterised in that: two neighboring described pre-buried
The distance between part (3) is less than the length of I-steel (2).
3. a kind of mounting structure of box beam I-steel according to claim 2, it is characterised in that: mounting rack (4) packet
Two side levers (41) and a foundation bar (42) are included, the both ends of the bottom bar (42) are separately mounted to the bottom of two side levers (41),
Clamping portion is equipped at the top of two side levers (41), the built-in fitting (3) is equipped with close to bottom position to be cooperated with the clamping portion
Card slot (31).
4. a kind of mounting structure of box beam I-steel according to claim 3, it is characterised in that: the clamping portion includes two
It is a up and down with respect to and perpendicular to the clamping item (43) of side lever (41), wherein the clamping item (43) of top is embedded in the card slot (31)
Interior, clamping item (43) upper surface of lower section and the bottom surface of built-in fitting (3) contradict, and two clamping items (43) are equipped with for protecting
Hold the fastener (5) fixed with built-in fitting (3).
5. a kind of mounting structure of box beam I-steel according to claim 4, it is characterised in that: fastener (5) packet
Fastening bolt is included, the fastening bolt is fixed on the built-in fitting between two clampings item (43) and two clampings item (43) vertically
(3) on.
6. a kind of mounting structure of box beam I-steel according to claim 3, it is characterised in that: bottom bar (42) rotation
It is mounted on the bottom of two side levers (41).
7. a kind of mounting structure of box beam I-steel according to claim 3 or 6, it is characterised in that: two bottom bars
(42) bottom offers axle sleeve (411), is fixedly installed with bearing (412) in the axle sleeve (411), the bottom bar (42)
End is fixedly connected with the inner ring of the bearing (412).
8. a kind of mounting structure of box beam I-steel according to claim 7, it is characterised in that: the one of the bottom bar (42)
End is equipped with the head (421) that diameter is greater than the axle sleeve (411) diameter, and the other end of bottom bar (42) is equipped with external screw thread (422), institute
It states screw thread on external screw thread (422) and nut (423) is installed.
9. a kind of mounting structure of box beam I-steel according to claim 3, it is characterised in that: the I-steel (2)
Two sides the widest part is contradicted with two side levers (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821680939.7U CN208995895U (en) | 2018-10-16 | 2018-10-16 | A kind of mounting structure of box beam I-steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821680939.7U CN208995895U (en) | 2018-10-16 | 2018-10-16 | A kind of mounting structure of box beam I-steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208995895U true CN208995895U (en) | 2019-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821680939.7U Active CN208995895U (en) | 2018-10-16 | 2018-10-16 | A kind of mounting structure of box beam I-steel |
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| CN (1) | CN208995895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779025A (en) * | 2020-06-19 | 2020-10-16 | 中国一冶集团有限公司 | In-situ protection structure crossing foundation pit municipal pipe network box culvert and construction method |
-
2018
- 2018-10-16 CN CN201821680939.7U patent/CN208995895U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779025A (en) * | 2020-06-19 | 2020-10-16 | 中国一冶集团有限公司 | In-situ protection structure crossing foundation pit municipal pipe network box culvert and construction method |
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