CN215252373U - Bridge prestressed pipe mud jacking device - Google Patents
Bridge prestressed pipe mud jacking device Download PDFInfo
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- CN215252373U CN215252373U CN202121194537.8U CN202121194537U CN215252373U CN 215252373 U CN215252373 U CN 215252373U CN 202121194537 U CN202121194537 U CN 202121194537U CN 215252373 U CN215252373 U CN 215252373U
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- bridge
- grouting device
- mud jacking
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Abstract
The utility model discloses a bridge prestressed pipe mud jacking device, include: the corrugated pipe is internally provided with prestressed reinforcement; the slurry mixing device comprises a slurry barrel, a stirring device is arranged in the slurry barrel, a slurry pumping pipe is arranged in the slurry barrel, and the slurry pumping pipe is connected with a slurry pumping pump; a slurry outlet pipe is connected to a slurry outlet of the slurry pump; the pulp outlet pipe is connected with a pulp pressing device; the mud jacking device can move in the corrugated pipe, and the number of the mud jacking devices in the corrugated pipe is two. Through setting up the mud jacking device, the closely knit degree of thick liquids when can guaranteeing to be in milk makes thick liquids and steel strand wires can fully contact, has prolonged steel strand wires's life, has improved the grout effect.
Description
Technical Field
The utility model belongs to the technical field of bridge construction equipment, especially, relate to a bridge prestressed pipe mud jacking device.
Background
The construction quality of the new bridge is guaranteed, the new bridge is technically checked, the existing bridge is subjected to quality evaluation, and the detection, evaluation and reinforcement of the dangerous bridge become important tasks. Concrete bridge damage represents various forms, such as prestress loss, concrete breakage and cracking, steel bar corrosion, support seat hollowing and the like, and the damage causes the reduction of the integral rigidity and the bearing capacity of the concrete bridge, and is an important reason for causing bridge diseases. In order to strengthen the process control of the bridge construction quality and eliminate the quality defect in the construction process, the grouting quality detection of the prestressed pipeline (corrugated pipe) of the prestressed bridge is an important control link for ensuring that the bridge construction quality reaches the design requirement and the reasonable stress state. The steel strand wires of the prestressed bridge need to give full play to the design effect, the pressure of vehicles and pedestrians on the bridge floor is offset, and the grouting quality effect of the prestressed pipeline is one of the most important factors. The grouting quality meeting the design requirement can enable the prestressed steel strand to fully play a role; when the grouting quality defect exists, the phenomena of anchor head stress concentration and prestress loss along with the time lapse can occur, the design stress state of the beam body can be changed, the bearing capacity of the bridge is reduced, and the service life of the bridge is influenced. Therefore, the grouting quality detection of the prestressed pipeline is an important measure for ensuring the construction quality of the bridge.
How to ensure the compactness during grouting and ensure that the slurry is fully contacted with the steel strand is the problem to be solved at present.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model aims to provide a bridge prestressing force pipeline mud jacking device, through setting up the mud jacking device, the closely knit degree of thick liquids when can guaranteeing the grout makes thick liquids and steel strand wires can the full contact, has prolonged the life of steel strand wires, has improved the grout effect.
The utility model provides a following technical scheme:
a kind of bridge prestressed pipe grouting device, including: the corrugated pipe is internally provided with prestressed reinforcement; the slurry mixing device comprises a slurry barrel, a stirring device is arranged in the slurry barrel, a slurry pumping pipe is arranged in the slurry barrel, and the slurry pumping pipe is connected with a slurry pumping pump; a slurry outlet pipe is connected to a slurry outlet of the slurry pump; the pulp outlet pipe is connected with a pulp pressing device; the mud jacking device can move in the corrugated pipe, and the number of the mud jacking devices in the corrugated pipe is two.
Preferably, a through hole is formed in the surface of the grouting device, and an elastic sheet is arranged at the through hole; a gap is formed in the middle of the elastic sheet, a round hole is formed between the through hole of the mud jacking device and the elastic sheet, and the prestressed reinforcement is located in the round hole.
Preferably, a guniting port is formed in the surface of the grouting device and connected with the grout outlet pipe.
Preferably, the surface of the grouting device is also provided with a fixing threaded hole; the fixing threaded hole is connected with a fixing rod.
Preferably, the fixing rod comprises a plurality of connecting rods, and the connecting rods are provided with threaded columns and threaded holes; the connecting rods are connected with each other through the threaded columns and the threaded holes.
Preferably, a pressure gauge is arranged on the surface of the slurry outlet pipe and used for monitoring the pressure in the slurry outlet pipe.
Preferably, the number of the fixing threaded holes is two, and the two fixing threaded holes are symmetrically arranged about the axis of the grouting device.
Preferably, an electric heater is arranged at the bottom of the slurry barrel and used for heating the slurry barrel.
Preferably, an elastic ring is arranged at the axis of the grouting device and is in contact with the steel bar.
Preferably, the slurry outlet pipe is provided with an adjusting valve, and the adjusting valve is used for adjusting the flow of the slurry.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model relates to a bridge prestressed pipe mud jacking device through setting up the mud jacking device, the closely knit degree of thick liquids when can guaranteeing the grout makes thick liquids and steel strand wires can fully contact, has prolonged the life of steel strand wires, has improved the grout effect.
(2) The utility model relates to a bridge prestressed pipe mud jacking device, through setting up the connecting rod, easily can adjust the length of connecting rod according to actual need, adapted to different construction conditions's needs, simultaneously, the operation connecting rod can be adjusted the position of mud jacking device, and to the control of mud jacking device in the work progress of being convenient for, very big having made things convenient for the work progress.
(3) The utility model relates to a bridge prestressed pipe mud jacking device through being provided with electric heater in thick liquids barrel head portion, can heat the thick liquids in the thick liquids bucket, has satisfied the needs to the temperature in the thick liquids stirring.
(4) The utility model relates to a bridge prestressed pipe mud jacking device is provided with the elastic ring through the axle center department at the mud jacking device, has guaranteed the sealed environment at the packing thick liquids in-process, and the closely knit degree of thick liquids has been guaranteed in the effectual outside air admission thick liquids that prevents.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic diagram of the system structure of the present invention.
Fig. 2 is a schematic view of the grouting device of the present invention.
Fig. 3 is a schematic view of the fixing rod of the present invention.
Fig. 4 is a schematic diagram of a second embodiment of the present invention.
In the figure: 1. a bridge; 2. pre-stressing the steel bars; 3. a bellows; 4, a pulp outlet pipe; 5. a pressure gauge; 6. a slurry pump; 7. a stirring device; 8. a slurry barrel; 9. a grouting device; 10. fixing the rod; 11. a guniting port; 12. an elastic sheet; 13. a connecting rod; 14. a threaded hole; 15. a threaded post; 16. fixing the threaded hole; 17. a slurry pumping pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined to clearly and completely describe the technical solutions of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. 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.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
Example one
As shown in fig. 1 to 3, a grouting device for a prestressed pipeline of a bridge comprises: the corrugated pipe comprises a bridge 1 and a corrugated pipe 3 arranged on the inner side of the bridge 1, wherein prestressed steel bars 2 are arranged in the corrugated pipe 3; the device also comprises a slurry barrel 8, wherein the slurry barrel 8 is used for processing slurry, a stirring device 7 is arranged in the slurry barrel 8, the stirring device 7 is used for processing and stirring the slurry, a slurry pumping pipe 17 is arranged in the slurry barrel 8, and the slurry pumping pipe 17 is connected with a slurry pumping pump 6; a slurry outlet 4 is connected to the slurry outlet of the slurry pump 6; the slurry outlet pipe 4 is connected with a slurry pressing device 9; the grouting devices 9 can move in the corrugated pipe 3, the number of the grouting devices 9 in the corrugated pipe 3 is two, and the two grouting devices 9 are symmetrically arranged.
The surface of the mud jacking device 9 is provided with a through hole, and an elastic sheet 12 is arranged at the through hole; a gap is formed in the middle of the elastic sheet 12 and used for discharging air between the two grouting devices 9, a circular hole is formed between the through hole of the grouting device 9 and the elastic sheet 12, and the prestressed reinforcement 2 is located in the circular hole.
The surface of the grouting device 9 is provided with a grout spraying port 11, the grout spraying port 11 is connected with the grout outlet pipe 4, and the grout is discharged from the grout spraying port 11 through the grout outlet pipe 4 and then filled in the corrugated pipe.
The surface of the grouting device 9 is also provided with a fixed threaded hole 16; the fixing screw hole 16 is connected with a fixing rod 10. The fixing rod 10 comprises a plurality of connecting rods 13, and the connecting rods 13 are provided with threaded columns 15 and threaded holes 14; the connecting rods 13 are connected with each other through threaded columns 15 and threaded holes 14. The length of the fixed rod 10 can be adjusted, so that the construction process is greatly facilitated, and the operation is easy.
The surface of the slurry outlet pipe 4 is provided with a pressure gauge 5, and the pressure gauge 5 is used for monitoring the pressure in the slurry outlet pipe 4. The number of the fixing threaded holes 16 is two, and the two fixing threaded holes 16 are symmetrically arranged about the axis of the grouting device 9.
Example two
Referring to fig. 4, a grouting device for a prestressed pipeline of a bridge includes: the corrugated pipe comprises a bridge 1 and a corrugated pipe 3 arranged on the inner side of the bridge 1, wherein prestressed steel bars 2 are arranged in the corrugated pipe 3; the device also comprises a slurry barrel 8, wherein the slurry barrel 8 is used for processing slurry, a stirring device 7 is arranged in the slurry barrel 8, the stirring device 7 is used for processing and stirring the slurry, a slurry pumping pipe 17 is arranged in the slurry barrel 8, and the slurry pumping pipe 17 is connected with a slurry pumping pump 6; a slurry outlet 4 is connected to the slurry outlet of the slurry pump 6; the slurry outlet pipe 4 is connected with a slurry pressing device 9; the grouting devices 9 can move in the corrugated pipe 3, the number of the grouting devices 9 in the corrugated pipe 3 is two, and the two grouting devices 9 are symmetrically arranged.
The surface of the mud jacking device 9 is provided with a through hole, and an elastic sheet 12 is arranged at the through hole; a gap is formed in the middle of the elastic sheet 12 and used for discharging air between the two grouting devices 9, a circular hole is formed between the through hole of the grouting device 9 and the elastic sheet 12, and the prestressed reinforcement 2 is located in the circular hole.
The surface of the grouting device 9 is provided with a grout spraying port 11, the grout spraying port 11 is connected with the grout outlet pipe 4, and the grout is discharged from the grout spraying port 11 through the grout outlet pipe 4 and then filled in the corrugated pipe.
The surface of the grouting device 9 is also provided with a fixed threaded hole 16; the fixing screw hole 16 is connected with a fixing rod 10. The fixing rod 10 comprises a plurality of connecting rods 13, and the connecting rods 13 are provided with threaded columns 15 and threaded holes 14; the connecting rods 13 are connected with each other through threaded columns 15 and threaded holes 14. The length of the fixed rod 10 can be adjusted, so that the construction process is greatly facilitated, and the operation is easy.
The surface of the slurry outlet pipe 4 is provided with a pressure gauge 5, and the pressure gauge 5 is used for monitoring the pressure in the slurry outlet pipe 4. The number of the fixing threaded holes 16 is two, and the two fixing threaded holes 16 are symmetrically arranged about the axis of the grouting device 9.
The bottom of the slurry barrel 8 is provided with an electric heater which is used for heating the slurry barrel 8. The axis of the grouting device 9 is provided with an elastic ring 18, the elastic ring is in contact with the prestressed reinforcement 2, and the tightness between the grouting device 9 and the prestressed reinforcement 2 is ensured by the elastic ring 18.
And the slurry outlet pipe 4 is provided with an adjusting valve, and the adjusting valve is used for adjusting the flow of slurry.
The device that obtains through above-mentioned technical scheme is a bridge prestressed pipe mud jacking device, in the use, at first places mud jacking device 9 in bellows 3, then carries out the thick liquid processing of arranging in the bellows 3, then, according to actual need, adjusts the position of mud jacking device 9 at the in-process of arranging the thick liquid, can effectually guarantee the closely knit degree of grout, makes the thick liquids can fully contact with prestressing steel 2 fully, has prolonged prestressing steel's life.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art; 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 (7)
1. A kind of bridge prestressed pipe grouting device, including: the corrugated pipe comprises a bridge (1) and a corrugated pipe (3) arranged on the inner side of the bridge (1), wherein prestressed reinforcements (2) are arranged in the corrugated pipe (3); the slurry mixing device is characterized by further comprising a slurry barrel (8), wherein a stirring device (7) is arranged in the slurry barrel (8), a slurry pumping pipe (17) is arranged in the slurry barrel (8), and the slurry pumping pipe (17) is connected with a slurry pumping pump (6); a slurry outlet pipe (4) is connected to a slurry outlet of the slurry pump (6); the slurry outlet pipe (4) is connected with a slurry pressing device (9); the grouting device (9) can move in the corrugated pipe (3), and the number of the grouting devices (9) in the corrugated pipe (3) is two.
2. The bridge prestressed pipe grouting device according to claim 1, characterized in that a through hole is formed in the surface of the grouting device (9), and an elastic sheet (12) is arranged at the through hole; a gap is formed in the middle of the elastic sheet (12), a round hole is formed between the through hole of the mud jacking device (9) and the elastic sheet (12), and the prestressed reinforcement (2) is located in the round hole.
3. The bridge prestressed pipe grouting device according to claim 1, wherein a surface of the grouting device (9) is provided with a grout outlet (11), and the grout outlet (11) is connected with the grout outlet pipe (4).
4. The bridge prestressed pipe grouting device according to claim 1, characterized in that the surface of the grouting device (9) is further provided with a fixing threaded hole (16); the fixing threaded hole (16) is connected with a fixing rod (10).
5. The bridge prestressed pipe grouting device according to claim 4, wherein said fixing rod (10) comprises a plurality of connecting rods (13), said connecting rods (13) being provided with threaded columns (15) and threaded holes (14); the connecting rods (13) are connected with each other through threaded columns (15) and threaded holes (14).
6. The bridge prestressed pipe grouting device according to claim 1, characterized in that a pressure gauge (5) is arranged on the surface of the grout outlet pipe (4), and the pressure gauge (5) is used for monitoring the pressure in the grout outlet pipe (4).
7. The bridge prestressed pipe grouting device according to claim 4, characterized in that the number of the fixing threaded holes (16) is two, and the two fixing threaded holes (16) are symmetrically arranged about an axis of the grouting device (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121194537.8U CN215252373U (en) | 2021-05-31 | 2021-05-31 | Bridge prestressed pipe mud jacking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121194537.8U CN215252373U (en) | 2021-05-31 | 2021-05-31 | Bridge prestressed pipe mud jacking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215252373U true CN215252373U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121194537.8U Active CN215252373U (en) | 2021-05-31 | 2021-05-31 | Bridge prestressed pipe mud jacking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215252373U (en) |
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2021
- 2021-05-31 CN CN202121194537.8U patent/CN215252373U/en active Active
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