Stirring mechanism for synchronous grouting material of shield tunneling machine

Abstract

The utility model discloses a stirring mechanism for synchronous grouting material of a shield tunneling machine, which comprises a stirring barrel, a blanking hopper mounted on one side of the top of the stirring barrel, a water tank mounted on one side of the top of the stirring barrel, a water pipe connected to the output end of the water tank, a stirring cavity arranged in the stirring barrel, and a stirring cavity communicated with the output end of the blanking hopper and the water pipe, a driving motor is mounted on the outer side of the stirring barrel, a power output end of the driving motor is connected with a rotating shaft, lock plates are mounted on the left side and the right side of the rotating shaft, two groups of semicircular lock sleeves are mounted between the lock plates on the two sides in a locking manner, and a plurality of main stirring blades are arranged on the outer sides of the semicircular lock sleeves and are uniformly distributed in the axial direction of the rotating shaft; wherein an auxiliary stirring blade is arranged between every two adjacent main stirring blades, the main stirring blades on the upper side and the lower side are combined and spliced to form a spiral conveying stirring blade, a sealing end cover is installed on the side, located in the stirring cavity, of the stirring barrel, handles are installed on the two sides of the surface of the sealing end cover, locking assemblies are installed on the four sides of the sealing end cover, and one ends of the locking assemblies are installed on the stirring barrel.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of shield machine construction equipment, and specifically relates to a mixing mechanism for synchronous grouting material of a shield machine. BACKGROUND

[0002] In the shield machine construction process, synchronous grouting is a crucial process, and the purpose is to fill the gap between the shield machine tunneling post segment and the surrounding soil, prevent ground subsidence, and ensure construction safety and the stability of the surrounding environment. The synchronous grouting material of the shield machine is usually mixed by dry-mixed mortar and water, however, the existing mixing mechanism has the problem that the dry-mixed mortar and water are not mixed sufficiently, resulting in that the water content of the local dry-mixed mortar does not meet the standard, which is because the mixing method and structural design of the traditional mixing mechanism are not reasonable enough, and the dry-mixed mortar and water cannot be fully mixed in a short time, so that the quality of the grouting material is uneven, which affects the effect of synchronous grouting, and may further cause uneven ground subsidence and other problems, and the existing mixing blade is complex to maintain and requires a lot of time and manpower. SUMMARY

[0003] In view of the problems in the above background art, the purpose of the utility model is to provide a mixing mechanism for synchronous grouting material of a shield machine.

[0004] To achieve the above technical purpose, the utility model adopts the following technical scheme:

[0005] A mixing mechanism for synchronous grouting material of a shield machine, comprising a mixing cylinder, a discharge hopper is installed on one side of the top of the mixing cylinder, a water tank is installed on one side of the top of the mixing cylinder, a water pipe is connected to the output end of the water tank, a stirring cavity is arranged in the mixing cylinder, the output ends of the discharge hopper and the water pipe are in communication with the stirring cavity, a drive motor is installed on the outside of the mixing cylinder, a rotating shaft is connected to the power output end of the drive motor, the rotating shaft is rotatably arranged in the stirring cavity, lock plates are installed on the left and right sides of the rotating shaft, two groups of semicircular lock sleeves are tightly installed between the lock plates, the two groups of semicircular lock sleeves are installed on the outside of the rotating shaft on the upper and lower sides, a plurality of main stirring blades are arranged on the outside of the semicircular lock sleeves, the plurality of main stirring blades are evenly distributed along the axial direction of the rotating shaft, a vice stirring blade is arranged between two adjacent main stirring blades, and the main stirring blades on the upper and lower sides are combined and spliced to form spiral conveying stirring blades, a sealing end cover is installed on one side of the stirring cavity of the mixing cylinder, handles are installed on the surface of the sealing end cover on both sides, locking assemblies are installed on the four sides of the sealing end cover, and one end of the locking assembly is installed on the mixing cylinder.

[0006] Further limited, the top of the discharge hopper is provided with a conveying pipe, and the input end of the conveying pipe is connected with a storage tank. Such a structural design facilitates the output of the pre-mixed dry-powder mortar from the storage tank into the conveying pipe and then into the discharge hopper.

[0007] Further limited, the top side of the water tank is provided with a water pipe, and a water level observation window is further installed on one side of the water tank, wherein a water level scale is arranged on the water level observation window, and a water pump is connected to the output end of the water tank, and the output end of the water pump is connected with a water pipe.

[0008] Further limited, the power output end of the driving motor is connected with a hexagonal column, the rotating shaft is provided with a hexagonal butt joint groove at the corresponding hexagonal column, the rotating shaft and the lock plate are arranged in an integral molding structure, the rotating shaft is connected with bearings on the outer side of the lock plate, one side of the bearing is installed in the stirring barrel, and the other side of the bearing is installed on the sealing end cover, the inner side of the stirring cavity is provided with a butt joint ring seat at the corresponding lock plate, and the right side of the lock plate is rotatably installed in the butt joint ring seat.

[0009] Further limited, the locking assembly comprises a lock seat installed on the stirring barrel, a lock rod is slidably connected in the lock seat, a socket is connected to the other side of the lock rod, the socket is installed on the sealing end cover, notch positioning grooves are arranged on the two sides of the inside of the lock seat, an adjusting rod is installed in one of the notch positioning grooves, and the adjusting rod is fixedly installed on the lock rod.

[0010] The utility model discloses a beneficial effect is: the utility model discloses a main stirring blade is responsible for the large -area stirring of dry -mixed mortar and water, and the vice stirring blade can disturb locally dry -mixed mortar and water, further improves mixing effect, and two groups of main stirring blade combination splicing form spiral conveying stirring blade, and then can guide dry -mixed mortar and water along the outlet direction flow, increase dry -mixed mortar and water's flow path and time, make dry -mixed mortar and water can be more fully mixed, thereby can significantly improve dry -mixed mortar and water's mixing effect, avoid local dry -mixed mortar moisture content not up to standard, guarantee the quality of synchronous grouting material, and half round lock cover adopts detachable connecting structure and connects with rotating shaft, makes half round lock cover can drive stirring blade to be quickly detached from rotating shaft and overhaul and maintain, reduces time and manpower waste. BRIEF DESCRIPTION OF DRAWINGS

[0011] The utility model can be further illustrated by the non-limiting embodiment shown in the drawings.

[0012] Figure 1 It is a shaft side structure schematic view of the synchronous grouting material stirring mechanism of the shield machine embodiment of the utility model;

[0013] Figure 2The utility model discloses a kind of mixing barrel section structure schematic diagram of mixing mechanism of synchronous grouting material of shield machine for embodiment of the utility model.

[0014] Figure 3 The utility model discloses a kind of main stirring blade structure schematic diagram of mixing mechanism of synchronous grouting material of shield machine for embodiment of the utility model.

[0015] Figure 4 The utility model discloses a kind of locking assembly shaft side structure schematic diagram of mixing mechanism of synchronous grouting material of shield machine for embodiment of the utility model.

[0016] Figure 5 The utility model discloses a kind of A place amplification structure schematic diagram of mixing mechanism of synchronous grouting material of shield machine for embodiment of the utility model.

[0017] Main element symbol explanation is as follows:

[0018] Mixing barrel 1, hopper 2, water tank 3, water pipe 4, stirring cavity 5, driving motor 6, rotating shaft 7, lock plate 8, semicircle lock sleeve 9, main stirring blade 10, vice stirring blade 11, spiral conveying stirring blade 12, sealing end cover 13, handle 14, locking assembly 15, conveying pipe 16, storage tank 17, water adding pipe 18, water level observation window 19, water pump 20, hexagonal column 21, hexagonal butt joint groove 22, bearing 23, butt joint ring base 24, lock base 25, lock rod 26, socket 27, gap positioning groove 28, adjusting rod 29. Specific implementation

[0019] In order to make those skilled in the art can better understand the utility model, the utility model technical scheme is further explained below in connection with drawing and embodiment.

[0020] Embodiment 1, as Figure 1 , Figure 2 And Figure 3As shown, a kind of mixing mechanism of synchronous grouting material of shield machine, the top side of stirring drum 1 is equipped with lower hopper 2, the top side of stirring drum 1 is equipped with water tank 3, the output end of water tank 3 is connected with water pipe 4, stirring cavity 5 is equipped in stirring drum 1, lower hopper 2 and the output end of water pipe 4 are communicated with stirring cavity 5, driving motor 6 is installed on the outside of stirring drum 1, the power output end of driving motor 6 is connected with rotating shaft 7, rotating shaft 7 is rotatably arranged in stirring cavity 5, locking plate 8 is installed on the left and right sides of rotating shaft 7, two groups of half-round lock sleeves 9 are locked and installed between two locking plates 8, two groups of half-round lock sleeves 9 are installed on the outside of rotating shaft 7 on the top and bottom sides, a plurality of main stirring blades 10 are equipped on the outside of half-round lock sleeve 9, a plurality of main stirring blades 10 are evenly distributed along the axial direction of rotating shaft 7, vice stirring blade 11 is equipped between two adjacent main stirring blades 10, top and bottom side main stirring blade 10 is combined and spliced to form spiral conveying stirring blade 12, sealing end cover 13 is installed on the side of stirring cavity 5 of stirring drum 1, handle 14 is installed on the surface of both sides of sealing end cover 13, locking assembly 15 is installed on the four sides of sealing end cover 13, one end of locking assembly 15 is installed on stirring drum 1.

[0021] In the embodiment, in use, dry-mixed mortar is input into stirring cavity 5 from lower hopper 2, water in water tank 3 is input into stirring cavity 5 through water pipe 4, driving motor 6 is started, driving motor 6 drives rotating shaft 7, rotating shaft 7 drives locking plate 8, locking plate 8 drives half-round lock sleeve 9 locked and installed, half-round lock sleeve 9 drives main stirring blade 10 and vice stirring blade 11 to stir and mix dry-mixed mortar and water, main stirring blade 10 is responsible for large-area stirring of dry-mixed mortar and water, vice stirring blade 11 can disturb dry-mixed mortar and water locally, further improve mixing effect, and after installation, main stirring blade 10 on two groups of half-round lock sleeves 9 is combined and spliced to form spiral conveying stirring blade 12, which can guide dry-mixed mortar and water to flow along the outlet direction, increase the flow path and time of dry-mixed mortar and water, so that dry-mixed mortar and water can be more fully mixed, thereby the mixing effect of dry-mixed mortar and water can be significantly improved, local dry-mixed mortar moisture content can be avoided to be substandard, and the quality of synchronous grouting material is ensured.

[0022] When main stirring blade 10 and vice stirring blade 11 need to be maintained, locking assembly 15 can be unlocked, sealing end cover 13 can be taken out from stirring drum 1, and rotating shaft 7, locking plate 8, half-round lock sleeve 9, main stirring blade 10 and vice stirring blade 11 can be taken out from stirring cavity 5 for maintenance.

[0023] The bottom left side of stirring drum 1 is also provided with an output pipeline, the input end of the output pipeline is communicated with stirring cavity 5, a control valve is installed on the inner side of the output pipeline, and the control valve is used to discharge mortar after stirring is completed.

[0024] In the embodiment, in use, dry-mixed mortar is input into stirring cavity 5 from lower hopper 2, water in water tank 3 is input into stirring cavity 5 through water pipe 4, driving motor 6 is started, driving motor 6 drives rotating shaft 7, rotating shaft 7 drives locking plate 8, locking plate 8 drives half-round lock sleeve 9 locked and installed, half-round lock sleeve 9 drives main stirring blade 10 and vice stirring blade 11 to stir and mix dry-mixed mortar and water, main stirring blade 10 is responsible for large-area stirring of dry-mixed mortar and water, vice stirring blade 11 can disturb dry-mixed mortar and water locally, further improve mixing effect, and after installation, main stirring blade 10 on two groups of half-round lock sleeves 9 is combined and spliced to form spiral conveying stirring blade 12, which can guide dry-mixed mortar and water to flow along the outlet direction, increase the flow path and time of dry-mixed mortar and water, so that dry-mixed mortar and water can be more fully mixed, thereby the mixing effect of dry-mixed mortar and water can be significantly improved, local dry-mixed mortar moisture content can be avoided to be substandard, and the quality of synchronous grouting material is ensured. Figure 1As shown, the embodiment increases the following structure on the basis of Embodiment 1, the top of the lower hopper 2 is provided with a conveying pipe 16, the input end of the conveying pipe 16 is connected with a storage tank 17.

[0025] In the embodiment, the dry-mixed mortar is stored in the storage tank 17 separately, which can prevent the dry-mixed mortar from being damp, and when discharging, the output pre-mixed dry-mixed mortar enters the conveying pipe 16 and then enters the lower hopper 2.

[0026] The conveying pipe 16 is internally provided with an auger screw conveyor, and the conveying pipe 16 is externally provided with a motor, which drives the auger screw conveyor to move, so that the auger screw conveyor outputs the pre-mixed dry-mixed mortar into the lower hopper 2.

[0027] As shown in Figure 1 , Figure 2 and Figure 5 , the embodiment increases the following structure on the basis of Embodiment 1, the top of the water tank 3 is provided with a water adding pipe 18, and the water tank 3 is further provided with a water level observation window 19 on one side, the water level observation window 19 is provided with a water level scale, the output end of the water tank 3 is connected with a water pump 20, and the output end of the water pump 20 is connected with the water pipe 4.

[0028] In the embodiment, during use, the water pump 20 can control the water amount input into the stirring cavity 5 through the water pipe 4 by controlling the start and stop of the water pump 20, which can effectively prevent the dry-mixed mortar from being diluted due to excessive water adding, or the poor workability caused by insufficient water adding, and during use, the water level in the water tank 3 can be observed through the water level observation window 19, so that the water adding pipe 18 can be used for timely water supplement.

[0029] As shown in Figure 5 , the embodiment increases the following structure on the basis of Embodiment 1, the power output end of the driving motor 6 is connected with a hexagonal column 21, the rotating shaft 7 is provided with a hexagonal butt joint groove 22 at the position corresponding to the hexagonal column 21, the rotating shaft 7 and the lock plate 8 are integrally formed, the rotating shaft 7 is connected with a bearing 23 on the outside of the lock plate 8, one side of the bearing 23 is installed in the stirring drum 1, and the other side of the bearing 23 is installed on the sealing end cover 13, the inside of the stirring cavity 5 is provided with a butt joint ring seat 24 at the position corresponding to the lock plate 8, and the right lock plate 8 is rotatably installed in the butt joint ring seat 24.

[0030] In the embodiment, during use, the driving motor 6 drives the hexagonal column 21 to rotate, the hexagonal column 21 rotates in the hexagonal butt joint groove 22 of the rotating shaft 7, and then the rotating shaft 7 drives the lock plate 8 to rotate along the bearing 23, and after the two lock plates 8 rotate, the lock plate 8 drives the semi-circular lock sleeve 9 to rotate, and the semi-circular lock sleeve 9 drives the stirring blade to perform stirring work.

[0031] During disassembly, by pulling the rotating shaft 7 outward, the rotating shaft 7 drives the inner locking plate 8 to exit the docking ring seat 24, and at the same time, the rotating shaft 7 disengages from the hexagonal column 21. The rotating shaft 7, locking plate 8, semi-circular locking sleeve 9, main stirring blade 10 and auxiliary stirring blade 11 can be pulled out from the stirring chamber 5. Then, the semi-circular locking sleeve 9 is removed from between the two locking plates 8, and the main stirring blade 10 and auxiliary stirring blade 11 can be inspected and maintained.

[0032] During installation, the semi-circular locking sleeve 9 is installed on the outside of the rotating shaft 7, so that the two sets of semi-circular locking sleeves 9 wrap around the rotating shaft 7. Then, the locking plate 8 and the semi-circular locking sleeve 9 are locked together with bolts. After that, the assembled rotating shaft 7, locking plate 8, semi-circular locking sleeve 9, main stirring blade 10 and auxiliary stirring blade 11 are pushed into the stirring chamber 5, so that the side with the hexagonal mating groove 22 is located inside the stirring chamber 5. Then, the rotating shaft 7 is pushed so that the hexagonal mating groove 22 on the rotating shaft 7 mates with the hexagonal column 21. At the same time, the inner locking plate 8 is inserted into the mating ring seat 24. Finally, the sealing end cover 13 is installed so that the bearing 23 on the sealing end cover 13 is connected to the outside of the rotating shaft 7, and the installation is completed.

[0033] Example 5, as Figure 4 As shown, this embodiment adds the following structure based on embodiment 1: the locking component 15 includes a locking seat 25 installed on the stirring drum 1, a locking rod 26 is slidably connected inside the locking seat 25, a socket 27 is connected to the other side of the locking rod 26, the socket 27 is installed on the sealing end cover 13, and notch positioning grooves 28 are provided on both sides of the interior of the locking seat 25, an adjusting rod 29 is installed in one of the notch positioning grooves 28, and the adjusting rod 29 is fixedly installed on the locking rod 26.

[0034] In this embodiment, during use, by pulling the adjusting rod 29, the adjusting rod 29 causes the locking rod 26 to slide outward within the lock seat 25, causing the locking rod 26 to disengage from the socket 27. The adjusting rod 29 causes the locking rod 26 to slide inward within the lock seat 25, allowing the locking rod 26 to be positioned and inserted into the socket 27, thereby achieving the effect of fixing the sealing end cover 13 and facilitating its disassembly.

[0035] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A mixing mechanism for simultaneous grout injection of a tunneling shield, characterized in that: Including the stirring drum (1), the lower hopper (2) is installed on one side of the top of the stirring drum (1), the water tank (3) is installed on one side of the top of the stirring drum (1), the output end of the water tank (3) is connected with the water pipe (4), the stirring cavity (5) is arranged in the stirring drum (1), the lower hopper (2) and the output end of the water pipe (4) are communicated with the stirring cavity (5), the driving motor (6) is installed on the outside of the stirring drum (1), the power output end of the driving motor (6) is connected with the rotating shaft (7), the rotating shaft (7) is rotatably arranged in the stirring cavity (5), the left and right sides of the rotating shaft (7) are installed with the lock plate (8), two groups of semicircular lock sleeves (9) are locked and installed between the left and right sides of the lock plate (8), two groups of the semicircular lock sleeves (9) are installed on the outer upper and lower sides of the rotating shaft (7), a plurality of main stirring blades (10) are arranged on the outside of the semicircular lock sleeve (9), a plurality of the main stirring blades (10) are uniformly distributed along the axial direction of the rotating shaft (7), a vice stirring blade (11) is arranged between two adjacent main stirring blades (10), the upper and lower sides of the main stirring blade (10) are combined and spliced to form a spiral conveying stirring blade (12), the sealing end cover (13) is installed on one side of the stirring cavity (5) of the stirring drum (1), the handle (14) is installed on the surface of the sealing end cover (13), the locking assembly (15) is installed on four sides of the sealing end cover (13), one end of the locking assembly (15) is installed on the stirring drum (1).

2. The mixing mechanism for synchronously mixing grouting material of a tunneling machine according to claim 1, characterized in that: The top of the lower hopper (2) is provided with a conveying pipe (16), and the input end of the conveying pipe (16) is connected with a storage tank (17).

3. The mixing mechanism for synchronously mixing grouting material of a tunneling machine according to claim 2, characterized in that: A water adding pipe (18) is installed on one side of the top of the water tank (3), a water level observation window (19) is also installed on one side of the water tank (3), a water level scale is arranged on the water level observation window (19), and the output end of the water tank (3) is connected with a water pump (20), and the output end of the water pump (20) is connected with the water pipe (4).

4. The mixing mechanism for synchronously mixing grouting material of a tunneling machine according to claim 3, characterized in that: The power output end of the driving motor (6) is connected with a hexagonal column (21), the rotating shaft (7) is provided with a hexagonal butt joint groove (22) at the position corresponding to the hexagonal column (21), the rotating shaft (7) and the lock plate (8) are arranged in an integral molding structure, the bearing (23) is connected to the outside of the lock plate (8), one side of the bearing (23) is installed in the stirring drum (1), the other side of the bearing (23) is installed on the sealing end cover (13), the butt joint ring seat (24) is installed on the inside of the stirring cavity (5) at the position corresponding to the lock plate (8), and the right lock plate (8) is rotatably installed in the butt joint ring seat (24).

5. The mixing mechanism for simultaneously mixing grouting material of a tunneling machine according to claim 4, characterized in that: The locking assembly (15) comprises a lock seat (25) mounted on the stirring cylinder (1), a lock rod (26) is slidably connected in the lock seat (25), the other side of the lock rod (26) is connected with a socket (27), the socket (27) is mounted on the sealing end cover (13), both sides of the inside of the lock seat (25) are provided with notched positioning grooves (28), one of the notched positioning grooves (28) is mounted with an adjusting rod (29), and the adjusting rod (29) is fixedly mounted on the lock rod (26).

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