An inverting trestle finishing and leveling device

Abstract

The present invention discloses an invert trestle finishing and leveling device, belonging to the technical field of tunnel construction equipment, comprising: a fixing frame, traveling wheels, a support plate, a lifting assembly, a support frame, a vibrating assembly, a troweling assembly and a driving assembly; through the fixing frame and the traveling wheels, the support plate can drive the vibrating assembly, the troweling assembly and the driving assembly to move along the bottom side of the invert trestle. The vibrating assembly can quickly discharge the air in the concrete, and the troweling assembly can level the concrete at the air discharge port. The driving assembly can realize the reciprocating movement of the vibrating assembly in the horizontal and vertical directions, which is convenient for increasing the area of the vibrating area, quickly discharging the air from the concrete. When the driving assembly is working, it can also drive the troweling assembly to reciprocally level the concrete surface, quickly level the concrete surface, and improve the work efficiency.

Description

Technical Field

[0001] The present invention belongs to the technical field of tunnel construction equipment, and particularly relates to a device for finishing and leveling the invert trestle surface. Background Art

[0002] During tunnel construction, an arched structure made of concrete materials is set at the bottom of the tunnel, which is the so-called invert. The invert can improve the stress conditions of the upper support structure of the tunnel, effectively resist the reaction force transmitted from the underlying layer at the lower part of the tunnel, and increase the structural stability. The invert filling is generally divided into two filling materials: rubble concrete and plain concrete. The difficulty in controlling the construction quality of the invert filling lies in the vibration of the concrete and the control of the surface flatness and elevation.

[0003] Currently, the vibration of the filling concrete is mainly carried out by manual vibrating rods, and there are situations such as missed vibration and over-vibration, and there are certain quality problems in the concrete entity. When using mechanical equipment for leveling operations, the vibrating rods are not convenient for position adjustment, and the leveling effect on the concrete is poor, reducing the working effect.

[0004] To avoid the above technical problems, it is indeed necessary to provide a device for finishing and leveling the invert trestle surface to overcome the defects in the prior art. Summary of the Invention

[0005] The purpose of the present invention is to provide a device for finishing and leveling the invert trestle surface to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the present invention provides the following technical solutions:

[0007] A device for finishing and leveling the invert trestle surface, comprising:

[0008] A fixing frame, located at the bottom side of the invert trestle, and walking wheels are installed on the fixing frame for driving the fixing frame to move along the bottom side of the invert trestle; a support plate is provided at the bottom side of the fixing frame, and a lifting assembly is installed between the support plate and the fixing frame for adjusting the distance between the support plate and the fixing frame;

[0009] A support frame is installed on the support plate, a chute is provided on the support plate, and a vibrating assembly is installed inside the chute for vibrating the concrete; a smoothing assembly is also installed on the support plate for smoothing the vibrated concrete;

[0010] A driving assembly is installed on the support frame, and the driving assembly is connected to the vibrating assembly and the smoothing assembly for reciprocally adjusting the position of the vibrating assembly and enabling the smoothing assembly to reciprocally smooth the concrete.

[0011] As a further technical solution of the present invention: The vibrating assembly includes:

[0012] A moving cylinder, located inside the sliding groove, is in concave-convex connection with the sliding groove. A limiting groove is provided on the inner wall of the sliding groove. A fixing plate is installed on the outer wall of the moving cylinder, and a pulley is installed on the fixing plate. The fixing plate and the pulley are located inside the limiting groove and are used to support the moving cylinder.

[0013] A vibrating rod is installed at the bottom end of the moving cylinder. The vibrating rod is horizontal, and the limiting groove is inclined inside the sliding groove.

[0014] As a further technical solution of the present invention: The leveling assembly includes:

[0015] A fixed rod is fixedly installed on the support plate. A long rod is installed on the fixed rod, and the long rod is rotatably connected to the fixed rod. One end of the long rod is installed with a telescopic member. The telescopic member is vertical, and a leveling plate is installed at the output end of the telescopic member. A slot hole is provided on the support plate, the telescopic member is located inside the slot hole, and the leveling plate is located at the bottom side of the support plate.

[0016] As a further technical solution of the present invention: The driving assembly includes:

[0017] A driving member is fixedly installed on the support frame. A rotating disk is installed at the output end of the driving member. The rotating disk is located inside the support frame. A connecting rod is installed on the rotating disk, and the connecting rod is rotatably connected to the rotating disk. A moving frame is provided on the support plate, the connecting rod is located inside the moving frame, and a limiting assembly is installed between the moving frame and the support plate to limit the moving track of the moving frame.

[0018] A positioning rod is fixedly installed in the middle of the bottom end of the moving frame. The positioning rod is in concave-convex connection with the moving cylinder and is used to drive the moving cylinder to move along the sliding groove to adjust the position of the vibrating rod.

[0019] A connecting assembly is further installed between the moving frame and the long rod and is used to drive the long rod to drive the telescopic member and the leveling plate to rotate around the fixed rod when the moving frame moves.

[0020] As a further technical solution of the present invention: The limiting assembly includes:

[0021] A positioning groove is located on the support plate. A moving frame is installed at the bottom side of the moving frame. The moving frame is located inside the positioning groove. A roller is installed on the moving frame to reduce the friction between the moving frame and the positioning groove. The positioning groove is linear and is used to make the moving frame always move in a straight line direction.

[0022] As a further technical solution of the present invention: The connecting assembly includes:

[0023] The first rack is fixedly installed on one side of the moving frame close to the long rod. A second rack is installed at one end of the long rod close to the moving frame. The shape of the first rack is linear, and the shape of the second rack is arc-shaped. The first rack and the second rack are meshed and connected.

[0024] As a further technical solution of the present invention: The lifting assembly includes:

[0025] A lift, fixedly installed on the support plate, and the output end is fixedly connected to the fixed frame. A limiting rod is installed at the corner of the support plate. The limiting rod is vertical and penetrates through the fixed frame to keep the fixed frame and the support plate always parallel.

[0026] As a further technical solution of the present invention: A screed plate is fixedly installed on the bottom side of the support plate away from the vibrating assembly. The cross-sectional shape of the screed plate is a parallelogram.

[0027] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0028] An invert trestle finishing and leveling device provided by the present invention can drive the vibrating assembly, the troweling assembly and the driving assembly to move along the bottom side of the invert trestle through the fixed frame and the walking wheels. The vibrating assembly can quickly discharge the air in the concrete, and the troweling assembly can level the concrete at the air discharge port. The driving assembly can realize the reciprocating movement of the vibrating assembly in the horizontal and vertical directions, which is convenient for increasing the area of the vibrating area and quickly discharging the air from the concrete. When the driving assembly is working, it can also drive the troweling assembly to reciprocally level the concrete surface, quickly level the concrete surface, and improve the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic structural diagram of the present invention.

[0030] Figure 2 For the present invention Figure 1 The enlarged structural diagram at A in it.

[0031] Figure 3 For the present invention Figure 1 The enlarged structural diagram at B in it.

[0032] Figure 4 It is a schematic structural diagram of the connection between the driving assembly and the long rod in the present invention.

[0033] Figure 5 It is a schematic structural diagram of the moving cylinder inside the chute in the present invention.

[0034] Figure 6 It is a schematic structural diagram of the troweling plate in the present invention.

[0035] In the accompanying drawings: 1 - fixing frame, 2 - traveling wheels, 3 - support plate, 4 - lifting assembly, 41 - elevator, 42 - limiting rod, 5 - support frame, 6 - sliding groove, 7 - vibrating assembly, 71 - moving cylinder, 72 - limiting groove, 73 - fixing plate, 74 - pulley, 75 - vibrating rod, 8 - leveling assembly, 81 - fixing rod, 82 - long rod, 83 - telescopic member, 84 - leveling plate, 85 - slot, 9 - driving assembly, 91 - driving member, 92 - rotating disc, 93 - connecting rod, 94 - moving frame, 95 - limiting assembly, 951 - positioning groove, 952 - moving frame, 953 - roller, 96 - positioning rod, 97 - connecting assembly, 971 - first rack, 972 - second rack, 10 - finishing plate. Detailed implementation manners

[0036] In order to make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0037] The following describes in detail the specific implementation of the present invention in conjunction with specific embodiments.

[0038] As Figures 1 to 6 shown, in the embodiment provided by the present invention, a finishing and leveling device for an invert trestle includes:

[0039] A fixing frame 1, located at the bottom side of the invert trestle. Traveling wheels 2 are installed on the fixing frame 1 and are used to drive the fixing frame 1 to move along the bottom side of the invert trestle; a support plate 3 is provided at the bottom side of the fixing frame 1, and a lifting assembly 4 is installed between the support plate 3 and the fixing frame 1 and is used to adjust the distance between the support plate 3 and the fixing frame 1;

[0040] A support frame 5 is installed on the support plate 3. A sliding groove 6 is provided on the support plate 3, and a vibrating assembly 7 is installed inside the sliding groove 6 and is used to vibrate the concrete; a leveling assembly 8 is also installed on the support plate 3 and is used to level the vibrated concrete.

[0041] A driving assembly 9 is installed on the support frame 5. The driving assembly 9 is connected to the vibrating assembly 7 and the leveling assembly 8 and is used to reciprocally adjust the position of the vibrating assembly 7 and make the leveling assembly 8 reciprocally level the concrete.

[0042] In this embodiment, the support plate 3 can drive the vibrating assembly 7, the leveling assembly 8 and the driving assembly 9 to move along the bottom side of the invert trestle through the fixing frame 1 and the walking wheels 2. The vibrating assembly 7 can quickly discharge the air in the concrete, and the leveling assembly 8 levels the concrete from which the air has been discharged. The driving assembly 9 can realize the reciprocating movement of the vibrating assembly 7 in the horizontal and vertical directions, which is convenient for increasing the area of the vibrating area, quickly discharging the air from the concrete. When the driving assembly 9 is working, it can also drive the leveling assembly 8 to reciprocally level the surface of the concrete, quickly level the surface of the concrete, and improve the work efficiency; the lifting assembly 4 can adjust the position of the support plate 3 in the vertical direction, which is convenient for leveling operation.

[0043] In one embodiment of the present invention, please refer to Figure 1 、 Figure 2 and Figure 5 , the vibrating assembly 7 includes:

[0044] The moving cylinder 71 is located inside the sliding groove 6 and is connected to the sliding groove 6 in a concave-convex manner. A limiting groove 72 is provided on the inner wall of the sliding groove 6. A fixing plate 73 is installed on the outer wall of the moving cylinder 71, and a pulley 74 is installed on the fixing plate 73. The fixing plate 73 and the pulley 74 are located inside the limiting groove 72 and are used to support the moving cylinder 71.

[0045] A vibrating rod 75 is installed at the bottom end of the moving cylinder 71. The vibrating rod 75 is horizontal, and the limiting groove 72 is inclined inside the sliding groove 6.

[0046] In this embodiment, the moving cylinder 71 is located inside the sliding groove 6 and is vertical. Fixing plates 73 and pulleys 74 are installed on both sides of the moving cylinder 71 close to the sliding groove 6. Pulleys 74 are installed on both the upper and lower sides of the fixing plate 73, which is convenient for the fixing plate 73 to slide along the limiting groove 72. The fixing plate 73 is parallel to the inner wall of the limiting groove 72, and the limiting groove 72 is inclined on the inner wall of the sliding groove 6. When the moving cylinder 71 moves along the sliding groove 6, the position of the moving cylinder 71 in the vertical direction can be realized through the limiting groove 72, the fixing plate 73 and the pulley 74. Further, when the vibrating rod 75 moves in the horizontal direction, its position in the vertical direction can be adjusted, which is convenient for expanding the working area of the vibrating rod 75. After the vibrating rod 75 is turned on, it can vibrate automatically, which is convenient for discharging the air in the concrete.

[0047] In one embodiment of the present invention, please refer to Figure 1 and Figure 6 , the leveling assembly 8 includes:

[0048] The fixed rod 81 is fixedly installed on the support plate 3. A long rod 82 is installed on the fixed rod 81. The long rod 82 is rotatably connected to the fixed rod 81. One end of the long rod 82 is installed with a telescopic member 83. The telescopic member 83 is in a vertical shape. The output end of the telescopic member 83 is installed with a screed board 84. A slot hole 85 is provided on the support plate 3. The telescopic member 83 is located inside the slot hole 85, and the screed board 84 is located on the bottom side of the support plate 3.

[0049] In this embodiment, the fixed rod 81 is in a vertical shape. A rolling bearing is installed between the fixed rod 81 and the long rod 82. The long rod 82 can rotate on the fixed rod 81. The slot hole 85 facilitates the movement of the telescopic member 83 and the screed board 84. The telescopic member 83 can be a telescopic motor or a cylinder. In this embodiment, the telescopic member 83 is a telescopic motor, which is convenient for adjusting the position of the screed board 84 in the vertical direction, facilitating the contact between the screed board 84 and the concrete surface and performing the leveling operation on the concrete surface; the cross-sectional shape of the screed board 84 is an inverted isosceles triangle, which is convenient for leveling the concrete surface when the screed board 84 swings back and forth.

[0050] In an embodiment of the present invention, please refer to Figure 1 、 Figure 4 and Figure 5 , the driving assembly 9 includes:

[0051] A driving member 91 is fixedly installed on the support frame 5. The output end of the driving member 91 is installed with a rotating disk 92. The rotating disk 92 is located inside the support frame 5. A connecting rod 93 is installed on the rotating disk 92. The connecting rod 93 is rotatably connected to the rotating disk 92. A moving frame 94 is provided on the support plate 3. The connecting rod 93 is located inside the moving frame 94. A limiting assembly 95 is installed between the moving frame 94 and the support plate 3 for limiting the moving track of the moving frame 94;

[0052] The middle part of the bottom end of the moving frame 94 is fixedly installed with a positioning rod 96. The positioning rod 96 is in concave-convex connection with the moving cylinder 71 for driving the moving cylinder 71 to move along the chute 6 to adjust the position of the vibrating rod 75;

[0053] A connecting assembly 97 is further installed between the moving frame 94 and the long rod 82 for driving the long rod 82 to drive the telescopic member 83 and the screed board 84 to rotate around the fixed rod 81 when the moving frame 94 moves.

[0054] In this embodiment, the driving member 91 is fixedly installed at the top of the support frame 5. The driving member 91 can be a rotary motor or a stepping motor, etc. In this embodiment, the driving member 91 is a rotary motor. The output end of the driving member 91 is fixedly connected to the middle of the rotating disk 92, which facilitates driving the rotating disk 92 to rotate inside the support frame 5. A connecting rod 93 is installed at the bottom side of the rotating disk 92 away from the center of the circle. The connecting rod 93 is cylindrical, and a rolling bearing is installed between the connecting rod 93 and the rotating disk 92. The moving frame 94 is rectangular, and a through hole is provided inside the moving frame 94. The through hole is linear. The connecting rod 93 is located inside the through hole. When the rotating disk 92 rotates, the moving frame 94 can be driven by the connecting rod 93 to reciprocate linearly along the limiting component 95. A positioning rod 96 is fixedly installed in the middle of the bottom side of the moving frame 94. The positioning rod 96 extends into the moving cylinder 71 and is connected to the moving cylinder 71 in a concave-convex manner. When the moving frame 94 drives the positioning rod 96 to reciprocate linearly, the moving cylinder 71 can be driven to reciprocate along the chute 6, further realizing the reciprocating movement of the vibrating rod 75 in the horizontal and vertical directions, which is convenient for quickly discharging the air in the concrete. The connecting component 97 between the moving frame 94 and the long rod 82 can drive the screed plate 84 to reciprocate when the moving frame 94 reciprocates linearly.

[0055] In an embodiment of the present invention, please refer to Figure 1 and Figure 3 , the limiting component 95 includes:

[0056] A positioning groove 951, located on the support plate 3. A moving frame 952 is installed on the bottom side of the moving frame 94. The moving frame 952 is located inside the positioning groove 951. A roller 953 is installed on the moving frame 952 to reduce the friction between the moving frame 952 and the positioning groove 951. The positioning groove 951 is linear, which is used to make the moving frame 94 always move linearly.

[0057] In this embodiment, the positioning groove 951 is linear and located on the support plate 3. The positioning groove 951 is located below the moving frame 94. A moving frame 952 is fixedly installed on the bottom side of the moving frame 94. The shape of the moving frame 952 is an inverted T shape, which is convenient to move along the inside of the positioning groove 951 and effectively prevents the moving frame 952 from separating from the positioning groove 951. The friction between the moving frame 952 moving inside the positioning groove 951 can be reduced by the roller 953, which is convenient for the moving frame 94 to move. The positioning groove 951, the moving frame 952 and the roller 953 are all provided in two groups and are symmetrically distributed at both ends of the bottom side of the moving frame 94, which is convenient to keep the moving frame 94 stable during the movement.

[0058] In an embodiment of the present invention, please refer to Figure 4, the connecting component 97 includes:

[0059] A first rack 971 fixedly installed on one side of the moving frame 94 close to the long rod 82. A second rack 972 is installed at one end of the long rod 82 close to the moving frame 94. The first rack 971 is in a straight shape, the second rack 972 is in an arc shape, and the first rack 971 and the second rack 972 are meshed and connected.

[0060] In this embodiment, the first rack 971 is fixedly installed at one end of the moving frame 94 close to the long rod 82. The first rack 971 is perpendicular to the moving frame 94 and is in a straight shape. The second rack 972 is fixedly installed on the long rod 82 and is in an arc shape. When the driving member 91 controls the rotating disk 92 to rotate, the moving frame 94 moves reciprocally in a straight line along the positioning groove 951, further realizing the reciprocating movement of the first rack 971. Through the meshing connection between the first rack 971 and the second rack 972, the second rack 972 can drive the long rod 82 to rotate around the fixed rod 81, and further realize the reciprocating swing of the screed plate 84 in the horizontal direction, facilitating the leveling operation of the concrete surface.

[0061] In an embodiment of the present invention, please refer to Figure 1 , the lifting component 4 includes:

[0062] A lifter 41 fixedly installed on the support plate 3, with the output end fixedly connected to the fixed frame 1. A limiting rod 42 is installed at the corner of the support plate 3. The limiting rod 42 is vertical and penetrates through the fixed frame 1 to keep the fixed frame 1 and the support plate 3 always parallel.

[0063] In this embodiment, there are two lifters 41, which are symmetrically distributed between the fixed frame 1 and the support plate 3. The two groups of lifters 41 work simultaneously, facilitating the adjustment of the distance between the support plate 3 and the fixed frame 1 and adjusting the position of the support plate 3 in the vertical direction, facilitating the leveling operation. A leveling plate 10 is fixedly installed on the bottom side of one end of the support plate 3 away from the vibrating component 7. The cross-sectional shape of the leveling plate 10 is a parallelogram. There are multiple leveling plates 10 evenly distributed at one end of the support plate 3, facilitating the overall leveling operation of the concrete surface. The support plate 3 can be kept stable during the movement through multiple groups of limiting rods 42.

[0064] The working principle of the present invention is:

[0065] In the present invention, first, the fixing frame 1 is placed on the bottom side of the invert trestle, and the traveling wheels 2 are connected to the bottom side of the invert trestle, so that the fixing frame 1 can move along the bottom side of the invert trestle. During the movement, the driving member 91 is turned on, so that the rotating disk 92 drives the connecting rod 93 to rotate, so that the moving frame 94 reciprocates along the positioning groove 951, and drives the moving cylinder 71 to reciprocate along the sliding groove 6 through the positioning rod 96, so as to adjust the positions of the vibrating rod 75 in the horizontal and vertical directions, and quickly discharge the air from the concrete; during the movement of the moving frame 94, the screed plate 84 can perform a reciprocating leveling operation on the concrete surface through the first rack 971 and the second rack 972. At this time, the leveling plate 10 can perform an overall leveling operation on the leveled concrete, improving the leveling effect.

[0066] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

[0067] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An invert trestle finishing and leveling device, characterized in that, it includes: A fixed frame is located at the bottom side of the invert trestle. A walking wheel is installed on the fixed frame and is used to drive the fixed frame to move along the bottom side of the invert trestle; a support plate is provided at the bottom side of the fixed frame, and a lifting component is installed between the support plate and the fixed frame to adjust the distance between the support plate and the fixed frame; A support frame is installed on the support plate. A chute is provided on the support plate, and a vibrating component is installed inside the chute and is used to vibrate the concrete; a leveling component is also installed on the support plate and is used to level the vibrated concrete; A driving component is installed on the support frame. The driving component is connected to the vibrating component and the leveling component and is used to reciprocally adjust the position of the vibrating component and make the leveling component reciprocally level the concrete; The vibrating component includes: A moving cylinder is located inside the chute and is in concave-convex connection with the chute. A limiting groove is provided on the inner wall of the chute. A fixing plate is installed on the outer wall of the moving cylinder, and a pulley is installed on the fixing plate. The fixing plate and the pulley are located inside the limiting groove and are used to support the moving cylinder; A vibrating rod is installed at the bottom end of the moving cylinder. The vibrating rod is horizontal, and the limiting groove is inclined inside the chute; The leveling component includes: A fixed rod is fixedly installed on the support plate. A long rod is installed on the fixed rod, and the long rod is rotatably connected to the fixed rod. One end of the long rod is installed with a telescopic member. The telescopic member is vertical, and a leveling plate is installed at the output end of the telescopic member. A slot hole is provided on the support plate, and the telescopic member is located inside the slot hole, and the leveling plate is located at the bottom side of the support plate; The driving component includes: A driving member is fixedly installed on the support frame. A rotating disk is installed at the output end of the driving member. The rotating disk is located inside the support frame. A connecting rod is installed on the rotating disk, and the connecting rod is rotatably connected to the rotating disk. A moving frame is provided on the support plate, and the connecting rod is located inside the moving frame. A limiting component is installed between the moving frame and the support plate to limit the moving track of the moving frame; A positioning rod is fixedly installed in the middle of the bottom end of the moving frame. The positioning rod is in concave-convex connection with the moving cylinder and is used to drive the moving cylinder to move along the chute to adjust the position of the vibrating rod; A connecting component is also installed between the moving frame and the long rod and is used to drive the long rod to drive the telescopic member and the leveling plate to rotate around the fixed rod when the moving frame moves.

2. The invert trestle finishing and leveling device according to claim 1, characterized in that, The limiting component includes: A positioning groove is located on the support plate. A moving frame is installed at the bottom side of the moving frame, and the moving frame is located inside the positioning groove. A roller is installed on the moving frame and is used to reduce the friction between the moving frame and the positioning groove. The positioning groove is linear and is used to make the moving frame always move in a straight line direction.

3. The invert trestle finishing and leveling device according to claim 2, characterized in that, The connecting component includes: The first rack is fixedly installed on one side of the moving frame close to the long rod. A second rack is installed at one end of the long rod close to the moving frame. The shape of the first rack is linear, and the shape of the second rack is arc-shaped. The first rack and the second rack are meshed and connected.

4. The invert trestle finishing and leveling device according to claim 1, characterized in that the lifting assembly includes: a lifter, fixedly installed on the support plate, the output end of which is fixedly connected to the fixed frame. A limiting rod is installed at the corner of the support plate. The limiting rod is vertical and penetrates through the fixed frame to keep the fixed frame and the support plate always parallel.

5. The invert trestle finishing and leveling device according to claim 1, characterized in that a leveling plate is fixedly installed on the bottom side of the support plate away from the vibrating assembly. The cross-sectional shape of the leveling plate is a parallelogram.

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