CN211498894U - Highway bridge construction cofferdam device - Google Patents
Highway bridge construction cofferdam device Download PDFInfo
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- CN211498894U CN211498894U CN201921726075.2U CN201921726075U CN211498894U CN 211498894 U CN211498894 U CN 211498894U CN 201921726075 U CN201921726075 U CN 201921726075U CN 211498894 U CN211498894 U CN 211498894U
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- cofferdam
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Abstract
The utility model discloses a public road bridge roof beam construction cofferdam device, including the cofferdam arc board, the slot has been seted up in the left side of cofferdam arc board, the right side fixedly connected with of cofferdam arc board cuts the strip, the equal fixedly connected with plug in both sides of cofferdam arc board bottom, the cofferdam arc board passes through the slot and cuts a interconnect constitution ring cofferdam main part. This public road bridge roof beam construction cofferdam device simple structure, stability is strong, and the ring cofferdam main part that cofferdam arc board is constituteed is favorable to strengthening structural stability, prevents the harm that rivers erode caused, and threaded connection board is favorable to strengthening cofferdam stability inside the cofferdam, and the bracing piece is favorable to strengthening cofferdam stability outside the cofferdam, and the stabilizer bar is favorable to the stability of bracing piece, and then strengthens the stability in cofferdam. The plug is favorable to the fixed of ring cofferdam main part, and the barrier is favorable to preventing the inside rivers infiltration of cofferdam, and water pump, drinking-water pipe and drain pipe are favorable to discharging the inside rivers of cofferdam, do not influence the construction of engineering.
Description
Technical Field
The utility model relates to a public road bridge roof beam construction technical field specifically is a public road bridge roof beam construction cofferdam device.
Background
Along with the rapid development in city, highway bridge's infrastructure is more and more, and the structure is maintained as interim manger plate to the cofferdam, and its effect prevents that soil and water from getting into the position of building to building the building in the cofferdam, consequently requiring that it has stable in structure, the impermeability is good, and is anti-impact and resistance to compression, has mentioned a highway bridge construction cofferdam device, its characterized in that in the patent of the utility model that patent number is CN 201821190845.1: the first cofferdam steel plate and the second cofferdam steel plate are arranged to form the square cofferdam, when the cofferdam works in deep water, the river section is compressed by the cofferdam, the flow velocity is increased to cause the scouring of water flow on the outer surface of the cofferdam, the compressive strength is insufficient, and the drainage effect in the cofferdam is poor.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a highway bridge construction cofferdam device has solved the problem that cofferdam poor stability, crushing resistance are not enough and the drainage effect is poor.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a cofferdam device for highway bridge construction comprises cofferdam arc plates, slots are arranged on the left sides of the cofferdam arc plates, inserting strips are fixedly connected on the right sides of the cofferdam arc plates, plugs are fixedly connected on both sides of the bottoms of the cofferdam arc plates, the cofferdam arc plates are mutually connected through the slots and the inserting strips to form a circular cofferdam main body, an impermeable layer is fixedly connected on the bottom of the inner side of the circular cofferdam main body, a bearing circular ring plate is fixedly connected on the top of the impermeable layer, a water pump is fixedly connected on the top of the bearing circular ring plate at equal intervals in a circular ring shape through a base, the water pumping end on the left side of the water pump is communicated with a water pumping pipe, the bottom end of the water pumping pipe sequentially penetrates through the bearing circular ring plate and the impermeable layer and extends to the bottom of the impermeable layer, the water draining end on the right side of the water pump is communicated with a water draining, the cofferdam arc plate is characterized in that a threaded connection plate is fixedly connected to the middle of the top of the front side of the cofferdam arc plate, a supporting rod is fixedly connected to the middle of the back side of the cofferdam arc plate, and stabilizer bars are fixedly connected to the middle of two sides of the supporting rod.
Further preferably, the number of the cofferdam arc plates is four, and the slots correspond to the inserting strips.
Further preferably, the outer side of the bearing circular ring plate is fixedly connected to the inner side of the circular ring cofferdam main body.
Further preferably, threaded holes are formed in two ends of the threaded connecting plate, and the threaded connecting plates are sequentially connected end to end through bolts.
Further preferably, the number of the water pumps is four, and the threaded hole in the left end of the threaded connection plate is located at the top of the water pumps.
Further preferably, the bottom of the support rod and the bottom of the stabilizer bar are located on the same horizontal plane.
(III) advantageous effects
The utility model provides a public road bridge roof beam construction cofferdam device possesses following beneficial effect:
(1) this public road bridge roof beam construction cofferdam device simple structure, stability is strong, and the ring cofferdam main part that cofferdam arc board is constituteed is favorable to strengthening structural stability, prevents the harm that rivers erode caused, and threaded connection plate's use is favorable to strengthening cofferdam stability and crushing resistance in cofferdam inside, and the use of bracing piece is favorable to strengthening cofferdam stability and crushing resistance in the cofferdam outside, and the use of stabilizer bar is favorable to the stability of bracing piece, and then strengthens the stability in cofferdam.
(2) The use of plug is favorable to the fixed of ring cofferdam main part, and the use of barrier is favorable to preventing the inside rivers infiltration of cofferdam, and the use of water pump, drinking-water pipe and drain pipe is favorable to discharging the inside rivers of cofferdam, does not influence the construction of engineering.
Drawings
FIG. 1 is a front view of an arc cofferdam plate of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is a top view of the present invention.
In the figure: 1 cofferdam arc board, 2 slots, 3 cutting, 4 plugs, 5 circular cofferdam main bodies, 6 impermeable layers, 7 bearing circular boards, 8 water pumps, 9 water pumping pipes, 10 water discharging pipes, 11 threaded connection boards, 12 supporting rods and 13 stabilizer bars.
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 work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a cofferdam device for highway bridge construction has simple structure and strong stability, and comprises four cofferdam arc plates 1, wherein the number of the cofferdam arc plates 1 is four, the left side of each cofferdam arc plate 1 is provided with a slot 2, the right side of each cofferdam arc plate 1 is fixedly connected with an inserting strip 3, the slot 2 corresponds to the inserting strip 3, the two sides of the bottom of each cofferdam arc plate 1 are fixedly connected with plugs 4, the cofferdam arc plates 1 are mutually connected with the inserting strips 2 to form a circular cofferdam main body 5, the circular cofferdam main body 5 formed by the cofferdam arc plates 1 is beneficial to enhancing the structural stability and preventing the damage caused by water flow scouring, the use of the plugs 4 is beneficial to fixing the circular cofferdam main body 5, the bottom of the inner side of the circular cofferdam main body 5 is fixedly connected with an impermeable layer 6, the use of the impermeable layer 6 is beneficial to preventing the water flow permeation inside the cofferdam, the top of the impermeable layer 6 is fixedly connected with a bearing circular ring plate 7, the top of the bearing circular plate 7 is fixedly connected with water pumps 8 at equal intervals in a circular ring shape through a base, the number of the water pumps 8 is four, the water pumping end on the left side of each water pump 8 is communicated with a water pumping pipe 9, the bottom end of each water pumping pipe 9 sequentially penetrates through the bearing circular plate 7 and the anti-seepage layer 6 and extends to the bottom of the anti-seepage layer 6, the water draining end on the right side of each water pump 8 is communicated with a water draining pipe 10, the other end of each water draining pipe 10 penetrates through the cofferdam arc plate 1 and extends to the bottom of the back of the cofferdam arc plate 1, the water pumps 8, the water pumping pipes 9 and the water draining pipes 10 are used for facilitating the drainage of water flow in the cofferdam without influencing the construction of engineering, the middle of the front top of the cofferdam arc plate 1 is fixedly connected with a threaded connection plate 11, threaded holes are formed in two ends of the threaded connection plate 11, the threaded connection plate 11 is sequentially, the middle part fixedly connected with bracing piece 12 at the cofferdam arc board 1 back, the use of bracing piece 12 is favorable to reinforcing cofferdam stability and crushing resistance in the cofferdam outside, the equal fixedly connected with stabilizer bar 13 in middle part of bracing piece 12 both sides, the bottom of bracing piece 12 and stabilizer bar 13's bottom are located same horizontal plane, stabilizer bar 13's use is favorable to the stability of bracing piece 12, and then strengthens the stability in cofferdam.
The working principle is as follows: insert construction ground with plug 4 fixed, in the cutting 3 inserts slot 2, end to end constitutes ring cofferdam main part 5 in proper order, and threaded connection board 11 forms the square through the bolt end to end and stabilizes at 5 internal connection in ring cofferdam main part, and bracing piece 12 and stabilizer bar 13 insert the construction ground in the ring cofferdam main part 5 outside and stabilize, and water pump 8 is discharged, convenient construction again.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention.
Claims (6)
1. The utility model provides a public road bridge roof beam construction cofferdam device, includes cofferdam arc board (1), its characterized in that: the cofferdam comprises cofferdam arc plates (1), inserting grooves (2) are formed in the left sides of the cofferdam arc plates (1), inserting strips (3) are fixedly connected to the right sides of the cofferdam arc plates (1), plugs (4) are fixedly connected to the two sides of the bottoms of the cofferdam arc plates (1), the cofferdam arc plates (1) are mutually connected through the inserting grooves (2) and the inserting strips (3) to form a circular cofferdam main body (5), an impermeable layer (6) is fixedly connected to the bottom of the inner side of the circular cofferdam main body (5), a bearing circular ring plate (7) is fixedly connected to the top of the bearing circular cofferdam main body (7), water pumps (8) are fixedly connected to the top of the bearing circular cofferdam main body (7) at equal intervals in a circular ring shape through a base, water pumping pipes (9) are communicated to the left water pumping ends of the water pumps (8), the bottom ends of the water pumping pipes (9) sequentially penetrate through the bearing circular, the drainage end on the right side of the water pump (8) is communicated with a drainage pipe (10), the other end of the drainage pipe (10) penetrates through the cofferdam arc plate (1) and extends to the bottom of the back of the cofferdam arc plate (1), the middle of the front top of the cofferdam arc plate (1) is fixedly connected with a threaded connection plate (11), the middle of the back of the cofferdam arc plate (1) is fixedly connected with a support rod (12), and the middle parts of the two sides of the support rod (12) are fixedly connected with stabilizer bars (13).
2. The highway bridge construction cofferdam device of claim 1, characterized in that: the cofferdam arc plates (1) are four in number, and the slots (2) correspond to the inserting strips (3).
3. The highway bridge construction cofferdam device of claim 1, characterized in that: the outer side of the bearing circular ring plate (7) is fixedly connected to the inner side of the circular ring cofferdam main body (5).
4. The highway bridge construction cofferdam device of claim 1, characterized in that: threaded holes are formed in two ends of the threaded connecting plate (11), and the threaded connecting plate (11) is sequentially connected end to end through bolts.
5. The highway bridge construction cofferdam device of claim 4, wherein: the number of the water pumps (8) is four, and the threaded hole in the left end of the threaded connecting plate (11) is located in the top of the water pumps (8).
6. The highway bridge construction cofferdam device of claim 1, characterized in that: the bottom of the supporting rod (12) and the bottom of the stabilizing rod (13) are positioned on the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921726075.2U CN211498894U (en) | 2019-10-15 | 2019-10-15 | Highway bridge construction cofferdam device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921726075.2U CN211498894U (en) | 2019-10-15 | 2019-10-15 | Highway bridge construction cofferdam device |
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| Publication Number | Publication Date |
|---|---|
| CN211498894U true CN211498894U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921726075.2U Active CN211498894U (en) | 2019-10-15 | 2019-10-15 | Highway bridge construction cofferdam device |
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| CN (1) | CN211498894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116479817A (en) * | 2023-05-26 | 2023-07-25 | 中国水电建设集团十五工程局有限公司 | Sectional cofferdam diversion equipment for hydraulic engineering construction |
-
2019
- 2019-10-15 CN CN201921726075.2U patent/CN211498894U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116479817A (en) * | 2023-05-26 | 2023-07-25 | 中国水电建设集团十五工程局有限公司 | Sectional cofferdam diversion equipment for hydraulic engineering construction |
| CN116479817B (en) * | 2023-05-26 | 2023-12-12 | 中国水电建设集团十五工程局有限公司 | Sectional cofferdam diversion equipment for hydraulic engineering construction |
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