High-pressure grouting device for bridge pile foundation in fracture development area

Abstract

The utility model relates to the technical field of bridge foundation construction, in particular to a crack development area bridge pile foundation high-pressure grouting device which comprises a material storage barrel, a material conveying pipe, a motor, a flow guide assembly and a stirring rod. The stirring rod is rotationally mounted on the inner side of the storage barrel, the top end of the stirring rod extends to the top end of the storage barrel, the bottom end of the stirring rod extends to the bottom end of the inner side of the storage barrel, and a spiral plate used for pushing slurry at the bottom end of the inner side of the storage barrel in a use state is arranged at the bottom end of the stirring rod and located at the bottom end of the inner side of the storage barrel; the motor is mounted at the top end of the storage barrel and is rotationally connected with the end part of the stirring rod; materials and water conveyed into the material storage barrel are guided through the flow guide assembly, the water and the materials are premixed in the flow guide process and move towards the stirring path of the stirring rod after being mixed, the stirring rod is made to scatter the caked materials, the spiral plate is driven to move mixed slurry at the bottom upwards in the stirring process, and the materials and the materials are stirred uniformly. And the mixing efficiency of the water and the material is relatively high.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge foundation construction technical field, concretely relates to a fissure development area bridge pile foundation high pressure grouting device. BACKGROUND

[0002] When carrying out bridge pile foundation construction, high pressure grouting device is often used to grout fissure rock mass, fill and repair rock mass fissure, and further improve the integrity of surrounding rock.

[0003] The Chinese patent document with the authorized announcement number CN211849394U discloses a deep water karst fissure development geological high pressure grouting device, which falls the material from the hopper into the storage barrel through the feeding pipe by opening the valve, adds water into the storage barrel through the water inlet pipe, then starts the driving motor to work, the stirring shaft drives a plurality of stirring blades to stir, when the stirring is completed, the air pump is started to work, the pressure pipe conveys the stirred material into the grout pipe through the grout pipe, then the sleeve pipe is taken out, the material is conveyed into the steel flower pipe through the grout pipe and the second grouting hole on the grout pipe, and finally injected into the foundation through a plurality of first grouting holes on the outer wall of the steel flower pipe.

[0004] However, in the above scheme, water and material are respectively conveyed to both sides of the inside of the storage barrel, and since there is a gap between the stirring blade and the inside bottom end of the storage barrel, water and material need to be added to a certain degree before they can be mixed and stirred, resulting in low mixing efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art and provides a fissure development area bridge pile foundation high pressure grouting device.

[0006] The technical scheme of the utility model: a fissure development area bridge pile foundation high pressure grouting device, comprising a storage barrel, a material conveying pipe, a motor, a flow guide assembly and a stirring rod;

[0007] The stirring rod is rotatably installed on the inside of the storage barrel, and the top end extends to the top end of the storage barrel, and the bottom end extends to the inside bottom end of the storage barrel, and the bottom end of the stirring rod and the inside bottom end of the storage barrel are provided with a spiral plate for pushing the slurry of the inside bottom end of the storage barrel in the use state;

[0008] The motor is installed on the top end of the storage barrel and rotatably connected with the end of the stirring rod;

[0009] The material conveying pipe is installed at the bottom end of the storage barrel and the end is bent to one side, and the end is provided with a valve;

[0010] The flow guide assembly is installed on the inside top end of the storage barrel and sleeved on the outside of the stirring rod.

[0011] Preferably, the storage barrel comprises an upper shell, a lower shell, a cover plate, a feeding pipe, a liquid inlet pipe and an air pipe;

[0012] The lower shell is arranged at the bottom end of the upper shell and communicates with the upper shell;

[0013] The cover plate is installed at the top end of the upper shell by bolts;

[0014] The feeding pipe, the liquid inlet pipe and the air pipe are all arranged at the top end of the cover plate and penetrate the cover plate to communicate with the upper shell, and the top end of the air pipe communicates with an external pressurizing device.

[0015] Preferably, the lower shell is conical, the spiral plate is located at the inner side of the lower shell, and the edge of the spiral plate has a gap with the inner side wall of the lower shell.

[0016] Preferably, the stirring rod comprises a rotating rod and stirring blades;

[0017] The rotating rod is rotatably installed at the middle part of the cover plate, and the bottom end extends to the inner side of the lower shell, and the top end extends above the cover plate and is connected with a motor in transmission;

[0018] The stirring blades are installed at the outer side of the rotating rod and located at the inner side of the upper shell.

[0019] Preferably, the number of the stirring blades is multiple, and the multiple stirring blades are equidistantly arranged at the outer side of the rotating rod, and every two adjacent stirring blades among the multiple stirring blades are symmetrically arranged.

[0020] Preferably, the flow guide assembly comprises a flow guide shell and a flow guide plate;

[0021] The flow guide shell is installed at the lower end face of the cover plate and located at the inner side of the upper shell;

[0022] The flow guide plate is arranged at the inner side of the flow guide shell, and the bottom end has a gap with the bottom end of the flow guide shell.

[0023] Preferably, a connecting ring extending to the cover plate is arranged at the edge of the flow guide shell, the bottom end of the cover plate is provided with a convex ring, the outer side of the convex ring is provided with threads, the inner side of the connecting ring is provided with a thread groove, and in the cooperating and installed state of the flow guide shell and the cover plate, the convex ring is inserted at the inner side of the connecting ring, and the threads are accommodated in the thread groove in cooperation.

[0024] Preferably, the flow guide plate is spiral, the liquid inlet pipe is located above the highest point of the spiral path of the flow guide plate, and the feeding pipe is located at one side of the liquid inlet pipe and above the spiral path of the flow guide plate.

[0025] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0026] The utility model discloses a guide component carries out the flow guiding to the material and water that convey to the storage barrel, and pre-mixes water and material in the flow guiding process, and moves in the stirring path of the stirring rod after mixing, makes the stirring rod scatter the caking material, and drives the spiral plate to move the mixed pulp in the bottom upwards in the stirring process, and makes water and material mixing mixing efficiency higher. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 A perspective view of an embodiment of the utility model is provided.

[0028] Figure 2 A storage barrel structure sectional view in an embodiment of the utility model is provided.

[0029] Figure 3 A guide component structure schematic view in an embodiment of the utility model is provided.

[0030] Reference signs: 1, upper shell body;2, lower shell body;3, valve;4, material conveying pipe;5, cover plate;6, feed pipe;7, liquid inlet pipe;8, motor;9, air pipe;10, guide component;101, guide shell;102, thread groove;103, connecting ring;104, guide plate;11, rotating rod;12, stirring blade;13, spiral plate;14, convex ring;15, thread. DETAILED DESCRIPTION

[0031] Embodiment one

[0032] As Figures 1-3 shown, the utility model provides a fissure development area bridge pile high pressure grouting device, including storage barrel, material conveying pipe 4, motor 8, air pipe 9, guide component 10 and stirring rod;

[0033] Stirring rod rotatory installation is in the inside of storage barrel, and the top end extends to the top end of storage barrel, and the bottom end extends to the inside bottom end of storage barrel, and the bottom end of stirring rod and located inside bottom end of storage barrel is provided with spiral plate 13 for the pulp of inside bottom end of storage barrel is pushed in the use state;

[0034] Motor 8 is installed in the top end of storage barrel and is rotatory connected with the end of stirring rod;

[0035] Material conveying pipe 4 is installed in the bottom end of storage barrel and is bent to one side in the end, and the end is provided with valve 3;

[0036] Guide component 10 is installed in the inside top end of storage barrel and is set in the outside of stirring rod and makes the feed inlet of storage barrel to be located in the inside of guide component 10;

[0037] Air pipe 9 is installed in the top end of storage barrel, and both ends are communicated with storage barrel and external pressure increasing device respectively, wherein, external pressure increasing device is pressure increasing pump.

[0038] In this embodiment, the material and water delivered to the storage tank are guided by the flow guiding component 10. During the flow guiding process, the water comes into contact with the material for pre-mixing and forms a slurry. The slurry is then moved upwards by the upper housing 1 to the stirring rod. At the same time, the motor 8 drives the stirring rod to rotate, causing the stirring rod to collide with the slurry. As the slurry is continuously delivered, the stirring rod continues to collide with the slurry, preventing the material in the slurry from clumping. Simultaneously, the stirring rod stirs the entire slurry added to the storage tank, improving the uniformity of water and material mixing. The stirring rod also drives the spiral plate 13 to rotate, moving the slurry at the bottom of the inner side of the storage tank upwards, preventing the material from settling at the bottom of the inner side of the storage tank and failing to mix. At the same time, the booster pump pressurizes the storage tank through the air pipe 9, and by opening the valve 3, the slurry flows into the delivery pipe 4 under pressure and its own gravity.

[0039] Example 2

[0040] like Figures 1-2 As shown, the high-pressure grouting device for bridge pile foundation in the fracture development zone proposed by this utility model, compared with Embodiment 1, in this embodiment, the storage tank includes an upper shell 1, a lower shell 2, a cover plate 5, a feed pipe 6 and a liquid inlet pipe 7;

[0041] The lower housing 2 is located at the bottom end of the upper housing 1 and is connected to the upper housing 1;

[0042] The cover plate 5 is bolted to the top of the upper housing 1;

[0043] The feed pipe 6 and the liquid inlet pipe 7 are both located at the top of the cover plate 5 and pass through the cover plate 5 to communicate with the upper shell 1. The ends of the feed pipe 6 and the liquid inlet pipe 7 are respectively controlled by a cap and a valve (not shown in the figure).

[0044] In an optional embodiment, the lower shell 2 is conical in shape, and the spiral plate 13 is located inside the lower shell 2. The edge of the spiral plate 13 has a gap with the inner wall of the lower shell 2. This gap is used to allow the stirring rod to drive the spiral plate 13 to rotate during use, so that the material inside the lower shell 2 moves upward and avoids the deposition of slurry inside the lower shell 2. At the same time, the gap prevents the rotation of the spiral plate 13 from causing excessive pressure inside the lower shell 2.

[0045] In this embodiment, the cover plate 5 is detachably installed with the upper shell 1, which makes it easy to clean the inside of the upper shell 1 and to maintain the structure such as the stirring rod. The lower shell 2 is conical in shape, and the conveying pipe 4 is installed at the bottom middle of the lower shell 2, so that the slurry generates pressure by its own weight, thereby increasing the slurry conveying speed.

[0046] Example 3

[0047] like Figure 2As shown, the high-pressure grouting device for bridge pile foundation in fracture development zone proposed by this utility model, compared with Embodiment 1, in this embodiment, the stirring rod includes a rotating rod 11 and a stirring blade 12;

[0048] The rotating rod 11 is rotatably installed in the middle of the cover plate 5, with its bottom end extending to the inside of the lower housing 2 and its top end extending to the top of the cover plate 5 for transmission connection with the motor 8.

[0049] The stirring blade 12 is installed on the outside of the rotating rod 11 and located on the inside of the upper housing 1.

[0050] In an optional embodiment, there are multiple stirring blades 12, and the multiple stirring blades 12 are arranged at equal distances on the outside of the rotating rod 11, with each pair of adjacent stirring blades 12 arranged symmetrically.

[0051] In this embodiment, the rotating rod 11 drives multiple stirring blades 12 to stir the slurry inside the upper shell 1, further mixing it. At the same time, by symmetrically arranging every two adjacent stirring blades 12, the slurry inside the upper shell 1 moves relative to or towards each other between the multiple stirring blades 12, improving the uniformity of slurry mixing.

[0052] Example 4

[0053] like Figure 3 As shown, the high-pressure grouting device for bridge pile foundation in the fracture development zone proposed by this utility model, compared with Embodiment 1, in this embodiment, the flow guiding component 10 includes a flow guiding shell 101 and a flow guiding plate 104;

[0054] The flow guide shell 101 is installed on the lower end face of the cover plate 5 and located inside the upper shell 1. The flow guide shell 101 is conical in shape and is used to transport the mixture of water and material to the inside of the upper shell 1 during use.

[0055] The guide plate 104 is disposed inside the guide shell 101, and there is a gap between the bottom end of the guide plate 104 and the bottom end of the guide shell 101 to prevent material residue between the lower end face of the guide plate 104 and the inner wall of the guide shell 101 during use.

[0056] In an optional embodiment, a connecting ring 103 extending towards the cover plate 5 is provided at the edge of the flow guide shell 101, and a protruding ring 14 is provided at the bottom end of the cover plate 5. A thread 15 is provided on the outer side of the protruding ring 14, and a threaded groove 102 is provided on the inner side of the connecting ring 103. When the flow guide shell 101 and the cover plate 5 are installed together, the protruding ring 14 is inserted into the inner side of the connecting ring 103, and the thread 15 is accommodated in the threaded groove 102. This allows the flow guide shell 101 and the cover plate 5 to be detachably installed during use.

[0057] In an alternative embodiment, the guide plate 104 is in the shape of a spiral, the liquid inlet pipe 7 is located above the highest point of the spiral path of the guide plate 104, and the material inlet pipe 6 is located on one side of the liquid inlet pipe 7 and above the spiral path of the guide plate 104, so as to guide the material transported by the material inlet pipe 6 and the water transported by the liquid inlet pipe 7 when the guide plate 104 is in use, and to make the water flush the material on the guide plate 104, so that the material and the water are guided on the guide plate 104 to be mixed, and then are transported to the stirring blades 12 through the guide shell 101, so that the stirring blades 12 collide with the falling material, and the overall mixing degree of the material and the water is further improved.

[0058] In this embodiment, the water is transported to the highest point of the guide plate 104 through the liquid inlet pipe 7, and the material is transported into the moving path of the guide plate 104 through the material inlet pipe 6, so that the water drives the material to move synchronously when the water moves along the guide plate 104, and the water and the material are premixed, and then are guided above the stirring blades 12 through the shape of the guide shell 101, so that the stirring blades 12 collide with the falling material, and the material is prevented from being lumped.

[0059] In this embodiment, the water is transported to the highest point of the guide plate 104 through the liquid inlet pipe 7, and the material is transported into the moving path of the guide plate 104 through the material inlet pipe 6, so that the water drives the material to move synchronously when the water moves along the guide plate 104, and the water and the material are premixed, and then are guided above the stirring blades 12 through the shape of the guide shell 101, so that the stirring blades 12 collide with the falling material, and the material is prevented from being lumped.

[0060] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to this, and various changes can be made within the knowledge range of the persons skilled in the art without departing from the purpose of the utility model.

Claims

1. A fracture development zone bridge pile foundation high-pressure grouting device, characterized in that, The storage barrel, the feed pipe (4), the motor (8), the flow guide assembly (10) and the stirring rod are included. The stirring rod is rotatably installed at the inner side of the storage barrel, and the top end extends to the top end of the storage barrel, and the bottom end extends to the bottom end of the inner side of the storage barrel. The motor (8) is installed at the top end of the storage barrel and rotatably connected with the end of the stirring rod. The feed pipe (4) is installed at the bottom end of the storage barrel and the end is bent to one side, and the end is provided with a valve (3). The flow guide assembly (10) is installed at the inner top end of the storage barrel and is sleeved on the outer side of the stirring rod.

2. The fracture development zone bridge pile foundation high-pressure grouting device according to claim 1, characterized in that, The storage barrel includes an upper shell (1), a lower shell (2), a cover plate (5), a feed pipe (6), a liquid inlet pipe (7) and an air pipe (9). The lower shell (2) is arranged at the bottom end of the upper shell (1) and communicates with the upper shell (1). The cover plate (5) is installed at the top end of the upper shell (1) by bolts. The feed pipe (6), the liquid inlet pipe (7) and the air pipe (9) are all arranged at the top end of the cover plate (5) and penetrate the cover plate (5) to communicate with the upper shell (1), and the top end of the air pipe (9) communicates with the external supercharging device.

3. The fracture development zone bridge pile foundation high-pressure grouting device according to claim 2, characterized in that, The lower shell (2) is conical in shape, the spiral plate (13) is located at the inner side of the lower shell (2), and the edge of the spiral plate (13) has a gap with the inner wall of the lower shell (2).

4. The fracture development zone bridge pile foundation high-pressure grouting device according to claim 2, characterized in that, The stirring rod includes a rotating rod (11) and stirring blades (12). The rotating rod (11) is rotatably installed at the middle of the cover plate (5), and the bottom end extends to the inner side of the lower shell (2), and the top end extends above the cover plate (5) and is drivingly connected with the motor (8). The stirring blades (12) are installed at the outer side of the rotating rod (11) and located at the inner side of the upper shell (1).

5. The fracture development zone bridge pile foundation high-pressure grouting device according to claim 4, characterized in that, The number of stirring blades (12) is multiple, and the multiple stirring blades (12) are equidistantly arranged at the outer side of the rotating rod (11), and every two adjacent stirring blades (12) among the multiple stirring blades (12) are symmetrically arranged.

6. The fracture development zone bridge pile foundation high-pressure grouting device according to claim 2, characterized in that, The flow guide assembly (10) includes a flow guide shell (101) and a flow guide plate (104). The flow guide shell (101) is installed at the lower end face of the cover plate (5) and located at the inner side of the upper shell (1). The flow guide plate (104) is arranged at the inner side of the flow guide shell (101), and the bottom end has a gap with the bottom end of the flow guide shell (101).

7. The fracture development zone bridge pile foundation high-pressure grouting device according to claim 6, characterized in that, The edge of the flow guide shell (101) is provided with a connecting ring (103) extending to the cover plate (5), the bottom end of the cover plate (5) is provided with a convex ring (14), the outer side of the convex ring (14) is provided with a thread (15), the inner side of the connecting ring (103) is provided with a thread groove (102), and in the cooperating installation state of the flow guide shell (101) and the cover plate (5), the convex ring (14) is inserted at the inner side of the connecting ring (103), and the thread (15) is cooperatively accommodated in the thread groove (102).

8. The fracture development zone bridge pile foundation high-pressure grouting device according to claim 6, characterized in that, The flow guide plate (104) is spiral, the liquid inlet pipe (7) is located above the highest point of the spiral path of the flow guide plate (104), and the feed pipe (6) is located on one side of the liquid inlet pipe (7) and above the spiral path of the flow guide plate (104).

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