Plugging device for material building opening of tunnel secondary lining trolley

Abstract

The utility model discloses a plugging device for a material building opening of a tunnel secondary lining trolley. The plugging device comprises a fixed component, a swing component and a hydraulic oil cylinder. The fixing component comprises two outer side fixing plates, a connecting flat plate, a pouring arc-shaped plate and a concrete pump pipe connector, the two outer side fixing plates are symmetrically arranged on the two sides of a formwork pouring opening in the secondary lining trolley formwork, the connecting flat plate is arranged at the upper ends of the two outer side fixing plates, and the concrete pump pipe connector is arranged on the connecting flat plate. The pouring arc-shaped plate is fixed to one end between the two outer side fixing plates, an arc-shaped plate pouring opening is formed in the pouring arc-shaped plate, the concrete pump pipe connector is connected with the arc-shaped plate pouring opening, and swing pin shaft holes are formed in the same positions of the two outer side fixing plates. The swinging component comprises a plugging plate, a swinging plate, an arc-shaped sealing plate and a fan-shaped rib plate, and the plugging device for the material building opening of the tunnel secondary lining trolley can prevent protrusions from being formed on the surface of concrete after pouring is completed, so that the workload can be reduced, and meanwhile, the attractiveness is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel pouring, in particular to a tunnel secondary lining trolley material opening blocking device. Background Art

[0002] In the construction of underground projects such as tunnels and subways, formwork trolleys are generally used for secondary concrete lining. After the concrete pouring on the top of the formwork trolley is completed, the pouring port needs to be sealed.

[0003] The traditional sealing method is the plug-in type, but the plug-in type sealing method has defects: since there is always a distance between the plug-in plate and the concrete forming surface, after the formwork trolley is demolded, there is a protruding concrete cylinder on the surface of the tunnel secondary lining concrete, which is uneven and needs to be removed manually, which not only increases the workload and construction cost, but also affects the appearance of the secondary lining concrete surface. Summary of the invention

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a tunnel secondary lining trolley material opening sealing device, which can avoid the formation of bulges on the concrete surface after pouring, can reduce the workload and ensure the aesthetics at the same time, and can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tunnel secondary lining trolley material opening plugging device, comprising a fixed component, a swing component and a hydraulic cylinder;

[0006] The fixing member includes an outer fixing plate, a connecting plate, a casting arc plate and a concrete pump pipe joint. The number of the outer fixing plates is two. The two outer fixing plates are symmetrically arranged on both sides of the template casting opening on the second lining trolley template. The connecting plate is arranged on the upper ends of the two outer fixing plates. The casting arc plate is fixed at one end between the two outer fixing plates. The casting arc plate is provided with an arc plate casting opening. The concrete pump pipe joint is connected to the arc plate casting opening. The same position of the two outer fixing plates is provided with a swing pin shaft hole.

[0007] The swing component comprises a blocking plate, a swing plate, an arc-shaped sealing plate and a fan-shaped rib plate, wherein the blocking plate is arranged between two outer fixed plates, the arc-shaped sealing plate is arranged at the lower end of the blocking plate, the outer side surface of the arc-shaped sealing plate is fitted with the inner side surface of the cast arc-shaped plate, the swing plate is fixed to one side of the upper part of the blocking plate, slots are symmetrically arranged on both sides of the swing plate, the slots are arc-shaped, a swing pin passes through the slots and the swing pin shaft hole, and the number of the fan-shaped rib plates is three, and the three fan-shaped rib plates are evenly distributed along the width direction of the arc-shaped sealing plate;

[0008] The fixed end of the hydraulic cylinder is arranged on the outer fixed plate, and the telescopic end of the hydraulic cylinder is connected to the fan-shaped rib plate.

[0009] As a preferred technical solution of the utility model, a rear support plate is provided at one end of the outer fixed plate, the three fan-shaped rib plates are connected by a front support plate, and the two ends of the hydraulic cylinder are respectively hinged on the rear support plate and the front support plate.

[0010] As a preferred technical solution of the utility model, an arc-shaped rib plate is arranged at the lower end between the two outer fixing plates.

[0011] As a preferred technical solution of the utility model, the distance between the two outer fixing plates is equal to the width of the template pouring port, and the length of the blocking plate is equal to the length of the template pouring port.

[0012] As a preferred technical solution of the utility model, the top of the sealing plate is an acute angle, and the angle between one side of the template casting port and the inner side surface of the second lining trolley template is also an acute angle, and the vertices of the acute angles of the two coincide to form a swing center, and the centers of the casting arc plate, slot hole, arc sealing plate, and fan-shaped rib plate all coincide with the swing center.

[0013] As a preferred technical solution of the present invention, a limiting plate is provided at one end of the arc-shaped sealing plate.

[0014] As a preferred technical solution of the utility model, the arc length of the arc-shaped sealing plate is not less than the aperture of the arc-shaped plate casting port.

[0015] As an optimal technical solution of the utility model, mounting base plates are respectively installed on both sides of the template casting port of the second lining trolley template, and a mounting flange plate is provided on one side of the outer fixed plate, and the mounting flange plate is connected to the mounting base plate by bolts.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows: the tunnel secondary lining trolley material opening sealing device has a compact structure and a reasonable arrangement. By arranging the device on each template casting opening on the secondary lining trolley template, under the action of the hydraulic cylinder, the sealing plate and the arc-shaped sealing plate in the swinging member are pushed to seal the template casting opening and the arc-shaped plate casting opening respectively, so that the sealing surface is flat, no concrete bulge is formed, no manual cleaning is required, the workload is reduced, and the beauty of the tunnel lining surface is ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the utility model in an unblocked state;

[0018] Figure 2 for Figure 1 Sectional view at AA in the middle;

[0019] Figure 3 is a schematic diagram of the structure of the fixed component;

[0020] Figure 4 for Figure 3 Schematic diagram of the structure at BB in the middle;

[0021] Figure 5 is a schematic diagram of the structure of the swing component;

[0022] Figure 6 for Figure 5 Left view of;

[0023] Figure 7 It is a schematic diagram of the blocking state of the utility model.

[0024] In the figure: 1 second lining trolley template, 2 template casting port, 3 installation base plate, 4 fixing member, 41 outer fixing plate, 42 connecting flat plate, 43 arc rib plate, 44 rear support plate, 45 casting arc plate, 46 arc plate casting port, 47 concrete pump pipe joint, 48 swing pin shaft hole, 49 installation flange plate, 5 swing member, 51 sealing plate, 52 swing plate, 53 slot hole, 54 front support plate, 55 arc sealing plate, 56 limit plate, 57 fan-shaped rib plate, 6 hydraulic cylinder, 7 bolts, 8 swing pin shaft, 9 swing center. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments (for the convenience of description and understanding, the following is a schematic diagram of the present invention). Figure 1 Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0026] See also Figure 1-7 , the utility model provides a technical solution: a tunnel secondary lining trolley material opening blocking device, comprising a fixed component 4, a swing component 5 and a hydraulic cylinder 6;

[0027] The fixing member 4 includes an outer fixing plate 41, a connecting plate 42, a casting arc plate 45 and a concrete pump pipe joint 47. There are two outer fixing plates 41, which are symmetrically arranged on both sides of the template casting port 2 on the second lining trolley template 1. The connecting plate 42 is arranged on the upper ends of the two outer fixing plates 41. The casting arc plate 45 is fixed at one end between the two outer fixing plates 41. The casting arc plate 45 is provided with an arc plate casting port 46. The concrete pump pipe joint 47 is connected to the arc plate casting port 46. The same position of the two outer fixing plates 41 is provided with a swing pin shaft hole 48.

[0028] The swing member 5 includes a blocking plate 51, a swing plate 52, an arc-shaped sealing plate 55 and a fan-shaped rib plate 57. The blocking plate 51 is arranged between the two outer fixed plates 41. The arc-shaped sealing plate 55 is arranged at the lower end of the blocking plate 51. The outer side surface of the arc-shaped sealing plate 55 is in contact with the inner side surface of the cast arc-shaped plate 45. The swing plate 52 is fixed to one side of the upper part of the blocking plate 51. Slot holes 53 are symmetrically arranged on both sides of the swing plate 52. The slot holes 53 are arc-shaped. The swing pins 8 pass through the slot holes 53 and the swing pin shaft holes 48. There are three fan-shaped rib plates 57, and the three fan-shaped rib plates 57 are evenly distributed along the width direction of the arc-shaped sealing plate 55.

[0029] The top of the blocking plate 51 is an acute angle, and the angle between one side of the template casting port 2 and the inner side surface of the second lining trolley template 1 is also an acute angle. The vertices of the acute angles of the two coincide to form a swing center 9. The centers of the casting arc plate 45, the slot 53, the arc-shaped sealing plate 55, and the fan-shaped rib plate 57 all coincide with the swing center 9, ensuring that the arc-shaped sealing plate 55 and the blocking plate 51 can just block the arc plate casting port 46 and the template casting port 2 when rotating.

[0030] A rear support plate 44 is provided at one end of the outer fixing plate 41 , and the three fan-shaped rib plates 57 are connected by a front support plate 54 . Both ends of the hydraulic cylinder 6 are hinged on the rear support plate 44 and the front support plate 54 , respectively.

[0031] Furthermore, in order to ensure the overall strength of the fixing member 4 , an arc-shaped rib plate 43 is provided at the lower end between the two outer fixing plates 41 .

[0032] Furthermore, in order to ensure the tightness of the sealing of the template pouring opening 2 , the distance between the two outer fixing plates 41 is equal to the width of the template pouring opening 2 , and the length of the sealing plate 51 is equal to the length of the template pouring opening 2 .

[0033] Furthermore, a limit plate 56 is provided at one end of the arc-shaped sealing plate 55. When the limit plate 56 hits the casting arc-shaped plate 45 during the rotation process, it proves that the sealing is in place.

[0034] Furthermore, in order to ensure that the arc-shaped plate pouring opening 46 is completely blocked, the arc length of the arc-shaped sealing plate 55 is not less than the aperture of the arc-shaped plate pouring opening 46 .

[0035] Furthermore, in order to ensure the rapid installation of the fixing member 4 and the second lining trolley template 1, mounting base plates 3 are respectively installed on both sides of the template casting port 2 of the second lining trolley template 1, and a mounting flange plate 49 is provided on one side of the outer fixing plate 41, and the mounting flange plate 49 is connected to the mounting base plate 3 by bolts 7.

[0036] When in use: each template pouring port 2 of the second lining trolley template 1 is provided with the blocking device. First, the concrete delivery pump pipe is connected to the concrete pump pipe joint 47 through the pipe clamp, and the hydraulic cylinder 6 is started to retract the piston rod to the bottom, so that the arc-shaped sealing plate 55 opens the arc plate pouring port 46, and at the same time, the template pouring port 2 is opened; the concrete pump is started to pour concrete on the template pouring port 2 on the top of the second lining trolley template 1, and the concrete pump is closed after the pouring is completed, and then the hydraulic cylinder 6 is started to extend the piston rod, and the arc-shaped sealing plate 55 is pushed to rotate with the swing center 9 as the center of the circle, and the swing plate 52 swings concentrically under the restriction of the slot 53. When the limit plate 56 contacts the end of the pouring arc plate 45, the upper surface of the blocking plate 51 is just flush with the upper surface of the second lining trolley template 1, and the outer side of the arc-shaped sealing plate 55 just blocks the arc plate pouring port 46.

[0037] Repeat the above actions to other template pouring ports 2 and Xining concrete pouring operations until the second lining concrete operation is completed.

[0038] The utility model can be conveniently operated, occupies less space when in use, is easy to operate and use; the template casting opening 2 can be evenly sealed to avoid the occurrence of concrete bulges, no manual cleaning is required, and the workload is reduced.

[0039] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for sealing the material opening of a tunnel secondary lining trolley, characterized in that: It comprises a fixed component (4), a swing component (5) and a hydraulic cylinder (6); The fixing member (4) comprises an outer fixing plate (41), a connecting plate (42), a casting arc plate (45) and a concrete pump pipe joint (47). The number of the outer fixing plates (41) is two. The two outer fixing plates (41) are symmetrically arranged on both sides of the template casting opening (2) on the second lining trolley template (1). The connecting plate (42) is arranged at the upper ends of the two outer fixing plates (41). The casting arc plate (45) is fixed at one end between the two outer fixing plates (41). The casting arc plate (45) is provided with an arc plate casting opening (46). The concrete pump pipe joint (47) is connected to the arc plate casting opening (46). The same position of the two outer fixing plates (41) is provided with a swing pin shaft hole (48). The swing component (5) comprises a blocking plate (51), a swing plate (52), an arc-shaped sealing plate (55) and a fan-shaped rib plate (57); the blocking plate (51) is arranged between two outer fixed plates (41); the arc-shaped sealing plate (55) is arranged at the lower end of the blocking plate (51); the outer side surface of the arc-shaped sealing plate (55) is in contact with the inner side surface of the cast arc-shaped plate (45); the swing plate (52) is fixed to one side of the upper part of the blocking plate (51); slots (53) are symmetrically arranged on both sides of the swing plate (52); the slots (53) are arc-shaped; a swing pin (8) passes through the slots (53) and the swing pin shaft hole (48); the number of the fan-shaped rib plates (57) is three, and the three fan-shaped rib plates (57) are evenly distributed along the width direction of the arc-shaped sealing plate (55); A limiting plate (56) is provided at one end of the arc-shaped sealing plate (55); The fixed end of the hydraulic cylinder (6) is arranged on the outer fixed plate (41), and the telescopic end of the hydraulic cylinder (6) is connected to the fan-shaped rib plate (57).

2. A tunnel secondary lining trolley material opening plugging device according to claim 1, characterized in that: A rear support plate (44) is provided at one end of the outer fixing plate (41), the three fan-shaped rib plates (57) are connected via a front support plate (54), and the two ends of the hydraulic cylinder (6) are respectively hinged on the rear support plate (44) and the front support plate (54).

3. The device for sealing the material opening of the tunnel secondary lining trolley according to claim 1 is characterized by: An arc-shaped rib plate (43) is provided at the lower end between the two outer fixing plates (41).

4. A tunnel secondary lining trolley material opening plugging device according to claim 1, characterized in that: The distance between the two outer fixing plates (41) is equal to the width of the template pouring opening (2), and the length of the blocking plate (51) is equal to the length of the template pouring opening (2).

5. The device for sealing the material opening of the tunnel secondary lining trolley according to claim 1 is characterized by: The top of the blocking plate (51) is an acute angle, and the angle between one side of the template casting port (2) and the inner side surface of the second lining trolley template (1) is also an acute angle, and the vertices of the acute angles of the two coincide with each other to form a swing center (9), and the centers of the casting arc plate (45), the slot hole (53), the arc-shaped sealing plate (55), and the fan-shaped rib plate (57) all coincide with the swing center (9).

6. The device for sealing the material opening of the tunnel secondary lining trolley according to claim 1, characterized in that: The arc length of the arc-shaped sealing plate (55) is not less than the aperture of the arc-shaped plate pouring port (46).

7. The device for sealing the material opening of the tunnel secondary lining trolley according to claim 1, characterized in that: Mounting base plates (3) are respectively installed on both sides of the template pouring port (2) of the secondary lining trolley template (1), and a mounting flange plate (49) is provided on one side of the outer fixing plate (41), and the mounting flange plate (49) is connected to the mounting base plate (3) by bolts (7).

Images