CN221032653U - Even pouring device at top of tunnel second lining - Google Patents

Abstract

The application provides a device for evenly pouring the top of a tunnel secondary lining, which comprises a hose with a first end and a second end, wherein the first end is communicated with a concrete conveying pipe, the second end is used for pouring concrete to the top of an arch-shaped template of a secondary lining trolley, the device also comprises a movable pulley assembly arranged on one side of the hose and a power assembly which is used for driving the movable pulley assembly to move and moves along a first direction, when the device is used, the hose is wound on the movable pulley assembly, concrete is fed into the hose from the first end, is discharged from the second end and is poured on the top of the arch-shaped template of the trolley, and the movable pulley assembly is driven by the power assembly to move along a direction far away from the first end so as to drive the second end to synchronously move.

Description

Even pouring device at top of tunnel second lining

Technical Field

The application relates to the technical field of tunnel construction, in particular to a device for uniformly pouring the top of a secondary lining of a tunnel.

Background

In the tunnel construction process, after the primary support is fixed, secondary lining construction is required, a secondary lining trolley is required to be arranged on the inner side of the primary support, the existing secondary lining trolley mainly comprises an arch-shaped template, a portal frame, an auxiliary support and other structures, the position relationship between the outer wall of the arch-shaped template and the primary support is shown as figure 8, concrete is poured between the outer wall of the arch-shaped template and the primary support in the secondary lining construction, the existing pouring sequence is that two sides of the arch-shaped template are poured firstly, and finally the top of the arch-shaped template is poured, so that a secondary lining structure is formed, and the two lining trolley system for longitudinal continuous pouring of a tunnel is disclosed in patent CN 215949499U, and is provided with a pouring gun and a pouring trolley, wherein one end of the pouring gun is communicated with the pouring trolley, the other end of the pouring gun is horizontally arranged deep into the arch-shaped template and the primary support, and the pouring gun is driven to continuously move horizontally from the innermost part of the arch-shaped template and the primary support structure through the horizontal movement of the pouring trolley during pouring;

In order to ensure that the pouring gun can pour the deepest position of the arch template, the pouring gun needs to ensure enough length, further needs to reserve the moving distance for completely exiting the arch template, occupies large space before and after construction, and influences other equipment and facilities to enter the construction area.

Disclosure of Invention

In view of the foregoing drawbacks or shortcomings of the prior art, the present application is directed to a device for uniformly casting a tunnel secondary lining roof for casting a secondary lining trolley roof, the secondary lining trolley including an arch form having a first space inside, the casting device comprising:

a hose having a first end and a second end, said first end being in communication with a concrete delivery tube disposed in said first space, said second end being disposed at a top end of an outer wall of said arched form;

the movable pulley assembly is arranged at one side of the first space, and the hose is wound at one side of the movable pulley assembly;

the power assembly is arranged in the first space and can drive the movable pulley assembly to move along a first direction in a direction away from the first end.

According to the technical scheme provided by the embodiment of the application, the movable pulley assembly comprises an arc-shaped first guide wheel set, the opening of the first guide wheel set faces the side of the power assembly, the first guide wheel set comprises a plurality of first guide wheels distributed in an array in the circumferential direction, the hose is arranged at the end, far away from the power assembly, of the first guide wheel set, the axis extension line direction of each first guide wheel is in a second direction, the second direction is perpendicular to the first direction, and the outer wall of the hose is abutted against the outer wall of each first guide wheel.

According to the technical scheme provided by the embodiment of the application, the movable pulley assembly further comprises an arc-shaped second guide wheel set arranged on the side, far away from the first guide wheel set, of the hose, the arc formed by the second guide wheel set and the arc formed by the first guide wheel set are respectively positioned on two concentric circles, the second guide wheel set comprises a plurality of second guide wheels which are circumferentially distributed in an array manner, the direction of an axis extension line of each second guide wheel is the second direction, and the outer wall, far away from the first guide wheel set, of the hose is abutted against each second guide wheel.

According to the technical scheme provided by the embodiment of the application, the power assembly is further provided with a linear driving assembly close to the movable pulley assembly, and the linear driving assembly is used for driving the movable pulley assembly to move along the first direction.

According to the technical scheme provided by the embodiment of the application, the linear driving assembly comprises a shell and a screw rod arranged in the shell, the direction of an axis extension line of the screw rod is the first direction, a sliding block in threaded connection is sleeved outside the screw rod, the sliding block is connected with the movable pulley assembly through a third connecting rod, the outer wall of the sliding block is attached to the inner wall of the shell, and a third hydraulic motor for driving the screw rod to rotate is arranged on one side of the shell.

According to the technical scheme provided by the embodiment of the application, the power assembly comprises the track trolley moving along the first direction, the track trolley is provided with the rotating assembly connected with the linear driving assembly, and the rotating assembly is used for limiting the direction of the axis extension line of the screw rod to be the first direction.

According to the technical scheme provided by the embodiment of the application, the rotary assembly comprises a rotary support, the rotary support comprises an external gear ring connected with the trolley through a mounting sleeve, the external gear ring is provided with a second axis, the extending direction of the second axis is a third direction, the second direction and the first direction are mutually perpendicular, a first hydraulic motor is arranged outside the external gear ring, a second gear is sleeved outside an output shaft of the first hydraulic motor, and the second gear is meshed with the external gear ring; the first hydraulic motor is connected with an end cover close to the output shaft end, and the end cover drives the linear driving assembly to rotate by taking the second axis as the center.

According to the technical scheme provided by the embodiment of the application, the rotary support is provided with the height adjusting component, and the height adjusting component is used for adjusting the position of the screw rod along the third direction.

According to the technical scheme provided by the embodiment of the application, the end cover is provided with the first mounting seat far away from the outer tooth ring end, the height adjusting component comprises a first arm, a second arm, a first hydraulic component and a second hydraulic component, one end of the first arm is rotatably connected with the first mounting seat, the second arm is rotatably connected with the first arm far away from the first mounting seat, the first hydraulic component drives the first arm to rotate, the second hydraulic component drives the second arm to rotate, and the axial extension line directions of rotating shafts of the first arm and the second arm are both in the second direction.

According to the technical scheme provided by the embodiment of the application, the power assembly comprises a second hydraulic motor arranged on the track trolley, the two-lining trolley further comprises a portal frame arranged in the first space, a first track is arranged on the portal frame, the extending direction of the first track is the first direction, and the second hydraulic motor drives the track trolley to move along the extending direction of the first track.

In summary, the application provides a device for uniformly pouring the top of a secondary lining of a tunnel, which comprises a hose with a first end and a second end, wherein the first end is communicated with a concrete conveying pipe, the second end is used for pouring concrete to the top of an arch form of a secondary lining trolley, the device also comprises a movable pulley assembly arranged on one side of the hose, and a power assembly which drives the movable pulley assembly to move along a first direction.

Drawings

Fig. 1 is a schematic structural diagram of a device for uniformly pouring a top of a secondary lining of a tunnel according to an embodiment of the present application;

Fig. 2 is a schematic structural diagram of a first arm and a second arm of a device for uniformly pouring the top of a tunnel secondary lining according to an embodiment of the present application;

Fig. 3 is a schematic structural diagram of a second arm and a housing of a device for uniformly pouring a top of a tunnel secondary lining according to an embodiment of the present application;

FIG. 4 is an enlarged partial schematic view of the area A of FIG. 2;

Fig. 5 is a schematic structural diagram of an inner ring body and an outer toothed ring of a device for uniformly pouring the top of a secondary lining of a tunnel provided by the embodiment of the application;

Fig. 6 is a schematic structural diagram of a limiting roller and a first track of a device for uniformly pouring the top of a secondary lining of a tunnel according to an embodiment of the present application;

Fig. 7 is a schematic structural diagram of a first gear and a rack of a device for uniformly pouring the top of a secondary lining of a tunnel according to an embodiment of the present application;

Fig. 8 is a schematic structural diagram of an arch form and an initial support of a device for uniformly pouring a top of a secondary lining of a tunnel according to an embodiment of the present application;

fig. 9 is a schematic diagram of a hose position before a rotating assembly of a device for uniformly casting a top of a tunnel secondary lining according to an embodiment of the present application is not adjusted.

The text labels in the figures are expressed as:

1. a second lining trolley; 11. an arched form; 12. a door frame;

2. a hose; 21. a first end; 22. a second end;

3. A movable pulley assembly; 31. the first guide wheel; 32. the second guide wheel; 33. a side plate; 34. a first connecting rod; 35. a second connecting rod;

4. a power assembly; 41. a first track; 42. a rack; 43. a rail trolley; 44. a second hydraulic motor; 45. a first gear; 46. a limit roller;

5. A rotating assembly; 51. installing a sleeve; 52. a rotary support; 53. a first hydraulic motor; 54. an inner ring body; 55. an outer toothed ring; 56. a second gear; 57. an end cap;

6. A linear drive assembly; 61. a housing; 62. a third hydraulic motor; 63. a screw rod; 64. a slide block; 65. a third connecting rod;

7. An elevation adjustment assembly; 71. a first mount; 72. a first arm; 73. a second mounting base; 74. a first hydraulic cylinder; 75. a second arm; 76. a second hydraulic cylinder;

8. and (5) primary support.

Detailed Description

The application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the application are shown in the drawings.

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

As mentioned in the background art, the present application proposes a device for uniformly pouring the top of a secondary lining of a tunnel for pouring the top of a secondary lining trolley 1, wherein the secondary lining trolley 1 comprises an arch-shaped template 11, a first space is provided inside the arch-shaped template 11, and the pouring device comprises:

A hose 2 having a first end 21 and a second end 22, wherein the first end 21 is communicated with a concrete delivery pipe placed in the first space, the second end 22 is placed at the top end of the outer wall of the arched form 11, the secondary support trolley 1 is arranged in a tunnel, a primary support 8 is arranged between the outer side of the arched form 11 and the inner wall of the tunnel, the position of the concrete delivery pipe cannot move, the concrete delivery pipe feeds concrete into the first end 21 of the hose 2, the concrete flows to the second end 22 along the hose 2 and is discharged to the top end of the outer wall of the arched form 11 from the second end 22, pouring between the top of the arched form 11 and the primary support 8 is realized, in addition, the primary support 8 is a frame body formed by a reinforcement cage, a first channel for the hose 2 to penetrate through is reserved, the second end 22 of the hose 2 is convenient to penetrate deep into the tunnel, and interference between the hose 2 and the primary support 8 is reduced;

The movable pulley assembly 3 is arranged on one side of the first space, and the hose 2 is wound on one side of the movable pulley assembly 3;

The power assembly 4 is arranged in the first space, the power assembly 4 can drive the movable pulley assembly 3 to move along a first direction in a direction away from the first end 21, wherein the first direction is a horizontal direction, namely a left-right direction, the movable pulley assembly 3 and the second end 22 always move rightwards in the pouring process, according to a movable pulley principle, when a pulley is used as a drive, the moving distance of a movable end is twice of the moving distance of the pulley, the movable end is the second end 22 in the application, in addition, rolling friction is formed between the hose 2 and the movable pulley assembly 3, so that overlarge friction force is avoided, and the movable end is inconvenient to move;

as shown in fig. 1 and 2, when in use, the hose 2 is wound on the movable pulley assembly 3, concrete is fed into the hose 2 from the first end 21, and is discharged from the second end 22 to be poured on the top of the arch-shaped formwork 11 of the secondary lining trolley 1, and the second end 22 is driven to synchronously move along with the movement of the movable pulley assembly 3 driven by the power assembly 4 in a direction away from the first end 21, so that the movable pulley assembly 3 is driven to take effort and save a distance according to the movable pulley principle, and the movement distance of the second end 22 in the first direction is twice the movement distance of the movable pulley assembly 3, so that compared with the prior art, the movement distance of the second end 22 is directly driven, the distance is shorter, the space is saved, and other equipment is convenient to enter a construction site.

In a preferred embodiment, the movable pulley assembly 3 includes an arc-shaped first guide pulley set, the opening of which faces the power assembly 4 side, the first guide pulley set includes a plurality of first guide pulleys 31 distributed in an array along a circumferential direction, the hose 2 is disposed at an end of the first guide pulley set away from the power assembly 4, an axis extension line direction of each first guide pulley 31 is a second direction, the second direction is perpendicular to the first direction, and an outer wall of the hose 2 abuts against an outer wall of each first guide pulley 31.

As shown in fig. 1 and 3, the second direction is a front-back direction, each first guide wheel 31 is disposed inside the hose 2, when the movable pulley assembly 3 moves rightward, each first guide wheel 31 pushes the hose 2, and because the first end 21 is fixedly connected with the concrete delivery pipe, the distance between the first end 21 and the movable pulley assembly 3 increases, the distance between the second end 22 and the movable pulley assembly 3 decreases, each first guide wheel 31 can rotate around its own axis as a center, and when the hose 2 is pushed by each first guide wheel 31, rolling friction is generated between the hose 2 and each first guide wheel 31, and compared with the sliding friction, the rolling friction is smaller, so that the stability of the movement of the hose 2 can be primarily ensured.

In a preferred embodiment, the movable pulley assembly 3 further includes a second guide pulley set disposed on the side of the flexible tube 2 away from the first guide pulley set, the arc formed by the second guide pulley set and the arc formed by the first guide pulley set are respectively located on two concentric circles, the second guide pulley set includes a plurality of second guide pulleys 32 circumferentially distributed in an array, the axis extension line direction of each second guide pulley 32 is the second direction, and the outer wall of the flexible tube 2 away from the first guide pulley set is abutted against each second guide pulley 32.

As shown in fig. 1 and 3, during the process of pushing the flexible tube 2 by each first guide wheel 31, each second guide wheel 32 limits the flexible tube 2, so as to avoid the first guide wheel 31 located at the edge of the first guide wheel set from being separated from the flexible tube 2, and further avoid stress concentration on the first guide wheel 31 in the middle after separation.

In a preferred embodiment, the power assembly 4 is further provided with a linear driving assembly 6 near the end of the movable pulley assembly 3, and the linear driving assembly 6 is used for driving the movable pulley assembly 3 to move along the first direction.

As shown in fig. 2 and 3, when the power assembly 4 drives the movable pulley assembly 3 to move to the limit position along the right direction, the movable pulley assembly 3 can be driven by the linear driving assembly 6 to move to the right again, and the distance that the power assembly 4 needs to move is shortened by the pushing of the linear driving assembly 6, so that the space occupied by the power assembly 4 is further reduced.

In a preferred embodiment, the linear driving assembly 6 includes a housing 61, and a screw 63 disposed in the housing 61, an axis extending direction of the screw 63 is the first direction, a sliding block 64 screwed on an outer sleeve of the screw 63, the sliding block 64 is connected with the movable pulley assembly 3 through a third connecting rod 65, an outer wall of the sliding block 64 is attached to an inner wall of the housing 61, and a third hydraulic motor 62 for driving the screw 63 to rotate is disposed on one side of the housing 61.

As shown in fig. 2 and 3, the third hydraulic motor 62 drives the screw 63 to rotate, and the slide block 64 moves rightward under the action of the screw thread and the inner wall of the housing 61, so as to drive the hose 2 and the movable pulley assembly 3 to move rightward stably; in addition, the movable pulley assembly 3 includes two side plates 33 disposed at two ends of the first guide wheel 31 and the second guide wheel 32 along the second direction, where the side plates 33 are semi-annular plates, a second connecting rod 35 is disposed between the top end and the bottom end of each side plate 33, the second connecting rod 35 is used for primary reinforcement, in the driving process, the hose 2 applies excessive stress to each first guide wheel 31, so that the top end and the bottom end of each side plate 33 are close to each other, and finally break and damage, the second connecting rod 35 is far away from the hose 2 side and is connected with the third connecting rod 65, so that the movable pulley assembly 3 is driven by the sliding block 64 to move along the first direction, in addition, one second connecting rod 35 is far away from the side of the linear driving assembly 6 and is provided with two symmetrical first connecting rods 34, and the first connecting rod 34 is far away from the second connecting rod 35 end and is connected with the side plate 33, so as to further avoid bending and breaking of the second connecting rod 35, and the movable pulley assembly 3 is stable as a whole.

In a preferred embodiment, the power assembly 4 includes a trolley 43 moving along the first direction, and a rotating assembly 5 connected to the linear driving assembly 6 is disposed on the trolley 43, where the rotating assembly 5 is used to limit the axis extension direction of the screw 63 to the first direction.

By adjusting the linear drive assembly 6 as shown in fig. 2, it is ensured that the linear drive assembly 6 can push the movable pulley assembly 3 to move rightward, avoiding the situation that the hose 2 is deviated as shown in fig. 9.

In a preferred embodiment, the rotating assembly 5 comprises a slewing bearing 52, the slewing bearing 52 comprises an outer gear ring 55 connected with the trolley 43 through a mounting sleeve 51, the outer gear ring 55 has a second axis, the extending direction of the second axis is a third direction, the second direction and the first direction are perpendicular to each other, a first hydraulic motor 53 is arranged outside the outer gear ring 55, a second gear 56 is arranged outside an output shaft of the first hydraulic motor 53, and the second gear 56 is meshed with the outer gear ring 55; an end cover 57 is connected to the first hydraulic motor 53 near the output shaft end, and the end cover 57 drives the linear driving assembly 6 to rotate around the second axis;

As shown in fig. 5, the third direction is a vertical direction, the trolley 43 is provided with a mounting sleeve 51, and the mounting sleeve 51 is detachably connected with the external gear ring 55; the rotary support 52 further comprises an inner ring 54 disposed inside the outer ring 55, the top end of the inner ring 54 is connected with the end cover 57, so as to ensure that the end cover 57 rotates stably, the first hydraulic motor 53 is disposed on the end cover 57, when the first hydraulic motor 53 drives the second gear 56 to rotate, the outer ring 55 is fixedly connected with the trolley 43, so that the second gear 56 rolls along the outer ring 55, the end cover 57 and the screw 63 are driven to rotate around the second axis, and the adjustment is completed when the axis extension line direction of the screw 63 is parallel to the first direction, and in addition, the rotary support 52 is in the prior art and is not repeated herein.

In a preferred embodiment, the slewing bearing 52 is provided with a height adjusting assembly 7, and the height adjusting assembly 7 is used for adjusting the position of the screw 63 along the third direction;

As shown in fig. 2, the third direction is a vertical direction, i.e. the height of the screw 63 in the vertical direction is adjusted, so as to adjust the height of the movable pulley assembly 3, so that the hose 2 between the second end 22 and the movable pulley assembly 3 is located outside the arch-shaped template 11, and the situation that the second end 22 is located in the first space due to too low height is avoided.

In a preferred embodiment, the end cap 57 is provided with a first mounting seat 71 at an end far away from the outer ring gear 55, the height adjusting assembly 7 includes a first arm 72 with one end rotatably connected to the first mounting seat 71, a second arm 75 rotatably connected to the first arm 72 far away from the first mounting seat 71, a first hydraulic assembly for driving the first arm 72 to rotate, and a second hydraulic assembly for driving the second arm 75 to rotate, and axis extension directions of the rotation axes of the first arm 72 and the second arm 75 are all in the second direction.

As shown in fig. 3 and 4, the first hydraulic assembly includes a second mounting seat 73 provided on the end cover 57, and a first hydraulic cylinder 74 rotatably connected to the second mounting seat 73, where the first hydraulic cylinder 74 is rotatably connected to the middle of the first arm 72 away from the second mounting seat 73, and the first hydraulic cylinder 74 extends to drive the first arm 72 to rotate counterclockwise, so as to drive the screw 63 to swing counterclockwise, at this time, although the height of the screw 63 is adjusted, the axis extension direction of the screw 63 forms a first included angle with the first direction, and the opening of the first included angle faces the slewing support 52, so that the second arm 75 needs to be driven to rotate clockwise again, to drive the screw 63 to swing back clockwise, and to stop when the axis extension direction of the screw 63 is parallel to the first direction, so as to complete the whole height adjustment process, where the second hydraulic assembly includes a second hydraulic cylinder 76, and one end of the second hydraulic cylinder 76 is rotatably connected to the first arm 72, and the second arm 75 can rotate.

In a preferred embodiment, the power assembly 4 includes a second hydraulic motor 44 disposed on the trolley 43, the second trolley 1 further includes a gantry 12 disposed in the first space, a first rail 41 is disposed on the gantry 12, the extending direction of the first rail 41 is the first direction, and the second hydraulic motor 44 drives the trolley 43 to move along the extending direction of the first rail 41;

As shown in fig. 2, fig. 5, fig. 6 and fig. 7, the number of the first rails 41 is two, the rail trolley 43 is arranged on the first rails 41, the cross section of the first rails 41 is i-shaped, racks 42 are arranged in the middle of the side surfaces of the two first rails 41, which are adjacent to each other, the extending direction of the racks 42 is the same as that of the first rails 41, the number of the second hydraulic motors 44 is also two, first gears 45 are sleeved outside the two second hydraulic motors 44, the two first gears 45 are meshed with the corresponding racks 42, the second hydraulic motors 44 drive the first gears 45 to roll along the racks 42, the rail trolley 43 is driven to move, the first rails 41, the racks 42, the first gears 45 and the second hydraulic motors 44 are all arranged into two, stability in the moving process can be ensured, rotatable limit rollers 46 are arranged on the side walls of the bottoms of the rail trolley 43 in a penetrating manner, the outer walls of the limit rollers 46 are meshed with the corresponding racks 42, and the first rollers are in a sliding manner between the first rollers and the first rails 41 are in a sliding manner, and the friction between the limit rollers and the first rails 41 are enabled to move stably.

The principles and embodiments of the present application have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present application and its core ideas. The foregoing is merely illustrative of the preferred embodiments of this application, and it is noted that there is objectively no limit to the specific structure disclosed herein, since numerous modifications, adaptations and variations can be made by those skilled in the art without departing from the principles of the application, and the above-described features can be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present application.

Claims (10)

1. Even pouring device in tunnel secondary lining top for pouring at secondary lining platform truck (1) top, secondary lining platform truck (1) are including arch template (11), arch template (11) inside has first space, its characterized in that, pouring device includes:

A hose (2) having a first end (21) and a second end (22), said first end (21) being in communication with a concrete delivery pipe placed in said first space, said second end (22) being placed on top of the outer wall of said arched form (11);

The movable pulley assembly (3) is arranged on one side of the first space, and the hose (2) is wound on one side of the movable pulley assembly (3);

the power assembly (4) is arranged in the first space, and the power assembly (4) can drive the movable pulley assembly (3) to move along a first direction in a direction away from the first end (21).

2. The device for uniformly pouring the tunnel secondary lining top according to claim 1, wherein the movable pulley assembly (3) comprises an arc-shaped first guide wheel set, an opening of the first guide wheel set faces the side of the power assembly (4), the first guide wheel set comprises a plurality of first guide wheels (31) distributed in an array in the circumferential direction, the hose (2) is arranged at the end, far away from the power assembly (4), of the first guide wheel set, the axis direction of each first guide wheel (31) is in a second direction, the second direction is perpendicular to the first direction, and the outer wall of the hose (2) is in butt joint with the outer wall of each first guide wheel (31).

3. The device for uniformly pouring the tunnel secondary lining top according to claim 2, wherein the movable pulley assembly (3) further comprises an arc-shaped second guide wheel set arranged on the side, away from the first guide wheel set, of the hose (2), the arc formed by the second guide wheel set and the arc formed by the first guide wheel set are respectively located on two concentric circles, the second guide wheel set comprises a plurality of second guide wheels (32) distributed in an array mode circumferentially, the axis extension line direction of each second guide wheel (32) is the second direction, and the outer wall, away from the first guide wheel set, of the hose (2) is abutted against each second guide wheel (32).

4. The device for uniformly pouring the tunnel secondary lining top according to claim 3, wherein the power assembly (4) is further provided with a linear driving assembly (6) near the end of the movable pulley assembly 3, and the linear driving assembly (6) is used for driving the movable pulley assembly (3) to move along the first direction.

5. The device for uniformly pouring the tunnel secondary lining top according to claim 4, wherein the linear driving assembly (6) comprises a shell (61) and a screw rod (63) arranged in the shell (61), the axis extension line direction of the screw rod (63) is the first direction, a sliding block (64) in threaded connection is sleeved outside the screw rod (63), the sliding block (64) is connected with the movable pulley assembly (3) through a third connecting rod (65), the outer wall of the sliding block (64) is attached to the inner wall of the shell (61), and a third hydraulic motor (62) for driving the screw rod (63) to rotate is arranged on one side of the shell (61).

6. The tunnel secondary lining top uniform pouring device according to claim 5, wherein the power assembly (4) comprises a track trolley (43) moving along the first direction, a rotating assembly (5) connected with the linear driving assembly (6) is arranged on the track trolley (43), and the rotating assembly (5) is used for limiting the axis extension line direction of the screw rod (63) to be the first direction.

7. The tunnel secondary lining top uniform pouring device according to claim 6, wherein the rotating assembly (5) comprises a slewing support (52), the slewing support (52) comprises an outer gear ring (55) connected with the trolley (43) through a mounting sleeve (51), the outer gear ring (55) is provided with a second axis, the extending direction of the second axis is a third direction, the second direction and the first direction are mutually perpendicular, a first hydraulic motor (53) is arranged outside the outer gear ring (55), a second gear (56) is arranged outside an output shaft of the first hydraulic motor (53), and the second gear (56) is meshed with the outer gear ring (55); the first hydraulic motor (53) is connected with an end cover (57) close to the output shaft end, and the end cover (57) drives the linear driving assembly (6) to rotate by taking the second axis as the center.

8. The device for uniformly pouring the tunnel secondary lining top according to claim 7, wherein the slewing support (52) is provided with a height adjusting component (7), and the height adjusting component (7) is used for adjusting the position of the screw rod (63) along the third direction.

9. The tunnel secondary lining top uniform pouring device according to claim 8, wherein the end cover (57) is provided with a first mounting seat (71) far away from the end of the outer toothed ring (55), the height adjusting component (7) comprises a first arm (72) with one end rotatably connected with the first mounting seat (71), a second arm (75) rotatably connected with the first arm (72) far away from the first mounting seat (71), a first hydraulic component for driving the first arm (72) to rotate, and a second hydraulic component for driving the second arm (75) to rotate, and the axial extension line directions of rotating shafts of the first arm (72) and the second arm (75) are all in the second direction.

10. The tunnel secondary lining top uniform pouring device according to claim 6, wherein the power assembly (4) comprises a second hydraulic motor (44) arranged on the track trolley (43), the secondary lining trolley (1) further comprises a portal frame (12) arranged in the first space, a first track (41) is arranged on the portal frame (12), the extending direction of the first track (41) is the first direction, and the second hydraulic motor (44) drives the track trolley (43) to move along the extending direction of the first track (41).