Supporting device for tunnel construction

Abstract

The invention discloses a supporting device for tunnel construction, which belongs to the technical field of tunnel construction and comprises a connecting frame, a driving mechanism is fixedly connected to the bottom surface of the connecting frame and comprises driving assemblies symmetrically and fixedly connected to the bottom surface of the connecting frame, a limiting part is arranged on one driving assembly, and a first connecting seat is fixedly connected to the center of the top surface of the connecting frame; a first telescopic mechanism is fixedly connected to the top face of the first connecting base, a top protection plate is fixedly connected to the top face of the first telescopic mechanism, second connecting bases are symmetrically and slidably connected to the two sides of the first connecting base and slidably connected with the connecting frame, a connecting mechanism is in transmission connection with the sides, away from the first connecting base, of the second connecting bases, and a side protection plate is hinged to the connecting mechanism. And the side protection plates are matched with the top protection plate. The top protection plate is fixed to the top of the tunnel by arranging the first telescopic mechanism, the second connecting seats are arranged on the two sides of the first connecting seat correspondingly and used for fixedly connecting the two side protection plates to the two sides of the tunnel, and then the side protection plates are connected with the top protection plate.

Description

Technical Field

[0001] The invention belongs to the technical field of tunnel construction, and in particular relates to a supporting device for tunnel construction. Background Art

[0002] Tunnel construction includes tunnel construction methods, tunnel construction technology and tunnel construction management. Tunnel engineering belongs to underground structures. Underground structures are diverse, and the construction methods and technologies for building underground structures are also diverse. The formation and development of construction methods and technologies are related to the characteristics of underground structures. Its characteristics are that the longitudinal length ranges from a few meters to more than ten kilometers, the cross-section is relatively small, and it is generally 5-6 meters high and 5 to more than ten meters wide.

[0003] The arch steel frames in the current tunnel construction support devices need to be assembled manually, and the assembled protective structure is relatively heavy. When the tunnel construction section is changed, it is inconvenient to transport the protective support structure. Summary of the invention

[0004] The purpose of the present invention is to provide a supporting device for tunnel construction to solve the problems existing in the above-mentioned prior art.

[0005] To achieve the above-mentioned purpose, the present invention provides the following scheme: The present invention provides a support device for tunnel construction, including a connecting frame, a driving mechanism fixedly connected to the bottom surface of the connecting frame, the driving mechanism including driving components symmetrically fixed to the bottom surface of the connecting frame, one of the driving components is provided with a limiting portion, a first connecting seat is fixedly connected to the center of the top surface of the connecting frame, a first telescopic mechanism is fixedly connected to the top surface of the first connecting seat, a top guard plate is fixedly connected to the top surface of the first telescopic mechanism, second connecting seats are symmetrically slidably connected to the two sides of the first connecting seat, the second connecting seat is slidably connected to the connecting frame, a connecting mechanism is transmission-connected to a side of the second connecting seat away from the first connecting seat, the connecting mechanism is hinged with side guard plates, and the side guard plates are adapted to the top guard plate.

[0006] Preferably, the top surface of the connecting frame is symmetrically fixed with a first guide rail, the first guide rail is respectively located on both sides of the first connecting seat, the bottom surface of the second connecting seat is symmetrically provided with a first groove, the first groove and the first guide rail adjacent to it are slidingly connected, the two sides of the first connecting seat are symmetrically fixed with a first motor, the output shaft of the first motor is fixed with one end of a first screw, and the first screw is threadedly connected to the second connecting seat.

[0007] Preferably, a second groove is provided on a side of the second connecting seat away from the first connecting seat, and one end of a first connecting rod is rotatably connected to the second groove via a first connecting shaft. The first connecting shaft is located on a side of the second groove away from the first connecting seat, and one end of the first connecting rod away from the second connecting seat is hinged to the side guard plate. A transmission member is fixedly connected to the second groove, and the transmission member abuts against the first connecting rod.

[0008] Preferably, a first hydraulic telescopic rod is fixedly connected to the top surface of the second groove, an abutment seat is fixedly connected to the bottom surface of the first hydraulic telescopic rod, and the abutment seat abuts against the top surface of the first connecting rod.

[0009] Preferably, a first hinge seat is fixedly connected to one side of the side guard plate close to the first connecting rod, the first hinge seat is hinged to the first connecting rod, an auxiliary component is fixedly connected to the top surface of the first connecting rod, and the auxiliary component is located above the first hinge seat.

[0010] Preferably, the auxiliary component includes a second hinge seat fixed to the top surface of the first connecting rod, a third hinge seat is fixed to the top of the side guard plate, a second connecting rod is fixed between the third hinge seat and the second hinge seat, and the third hinge seat is located above the first hinge seat.

[0011] Preferably, the first telescopic mechanism includes a second hydraulic telescopic rod symmetrically fixed to the top surface of the first connecting seat, the top surfaces of the two second hydraulic telescopic rods are fixed with a first connecting plate, the bottom surface of the top guard plate is symmetrically fixed with a third connecting seat, and the third connecting seat is fixed to the first connecting plate.

[0012] Preferably, the driving assembly comprises driving seats fixedly connected to both sides of the connecting frame, connecting wheels are rotatably connected inside the driving seats, and the limiting portion is fixedly connected between two of the driving seats.

[0013] Preferably, the limiting portion includes a second connecting plate fixedly connected between the two driving seats, the top surface of the second connecting plate is fixedly connected to a fourth connecting seat, the fourth connecting seat is provided with a third groove, the third groove is fixedly connected to the first electric telescopic rod, the bottom surface of the first electric telescopic rod is fixedly connected to a transmission seat, the second connecting plate is provided with a first cavity, the third groove is connected to the first cavity, the driving seat is provided with a first through hole on a side close to the first cavity, the limiting seat is slidably connected to the first cavity, one end of the limiting seat close to the first through hole is slidably connected to the first through hole, the limiting seat abuts against the connecting wheel, the end of the limiting seat located in the first cavity is fixedly connected to the third connecting rod, and the end of the third connecting rod away from the limiting seat is located below the third groove, and the transmission seat extends into the first cavity and is adapted to the third connecting rod.

[0014] Preferably, third connecting plates are fixedly connected to both sides of the limiting seat in the first cavity, and a first spring is fixedly connected between the third connecting plate and the inner wall of the first cavity.

[0015] The present invention discloses the following technical effects: by setting a first telescopic mechanism, the top guard plate is fixed on the top of the tunnel, by setting a second connection seat on both sides of the first connection seat, the two side guard plates are fixed on both sides of the tunnel, and then the side guard plates are connected to the top guard plate. The present invention can effectively support and protect the inner wall of the tunnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0017] Figure 1 It is a structural schematic diagram of the supporting device for tunnel construction of the present invention;

[0018] Figure 2 It is a front view of the supporting device for tunnel construction of the present invention;

[0019] Figure 3 for Figure 2 A partial enlarged view of middle A;

[0020] Figure 4 for Figure 2 A partial enlarged view of B.

[0021] In the figure: 1, connecting frame; 2, first connecting seat; 3, top guard plate; 4, second connecting seat; 5, side guard plate; 6, first guide rail; 7, first groove; 8, first motor; 9, first screw; 10, second groove; 11, first connecting shaft; 12, first connecting rod; 13, first hydraulic telescopic rod; 14, abutment seat; 15, first articulated seat; 16, second articulated seat; 17, third articulated seat; 18, second connecting rod; 19, second hydraulic telescopic rod; 20, first connecting plate; 21, third connecting seat; 22, driving seat; 23, connecting wheel; 24, second connecting plate; 25, fourth connecting seat; 26, third groove; 27, first electric telescopic rod; 28, transmission seat; 29, first cavity; 30, first through hole; 31, limit seat; 32, third connecting rod; 33, third connecting plate; 34, first spring. DETAILED DESCRIPTION

[0022] 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, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0024] Reference Figure 1-Figure 4 As shown, this embodiment provides a support device for tunnel construction, including a connecting frame 1, a driving mechanism is fixedly connected to the bottom surface of the connecting frame 1, the driving mechanism includes driving components symmetrically fixed to the bottom surface of the connecting frame 1, one of the driving components is provided with a limiting portion, a first connecting seat 2 is fixedly connected to the center of the top surface of the connecting frame 1, a first telescopic mechanism is fixedly connected to the top surface of the first connecting seat 2, a top guard plate 3 is fixedly connected to the top surface of the first telescopic mechanism, second connecting seats 4 are symmetrically slidably connected to the two sides of the first connecting seat 2, the second connecting seat 4 is slidably connected to the connecting frame 1, and the second connecting seat 4 is transmission-connected to a side away from the first connecting seat 2 with a connecting mechanism, the connecting mechanism is hinged with a side guard plate 5, and the side guard plate 5 is adapted to the top guard plate 3.

[0025] By setting up a first telescopic mechanism, the top guard plate 3 is fixed on the top of the tunnel, and by setting up second connecting seats 4 on both sides of the first connecting seat 2, the two side guard plates 5 are fixed on both sides of the tunnel, and then the side guard plates 5 are connected to the top guard plate 3.

[0026] To further optimize the solution, the top surface of the connecting frame 1 is symmetrically fixed with a first guide rail 6, and the first guide rails 6 are respectively located on both sides of the first connecting seat 2. The bottom surface of the second connecting seat 4 is symmetrically provided with a first groove 7, and the first groove 7 is slidingly connected to the first guide rail 6 adjacent to it. The two sides of the first connecting seat 2 are symmetrically fixed with a first motor 8, and the output shaft of the first motor 8 is fixed with one end of a first screw 9, and the first screw 9 is threadedly connected to the second connecting seat 4.

[0027] The first motor 8 is started, and the first motor 8 drives the first screw 9 to rotate. The first screw 9 drives the second connecting seat 4 to slide along the first guide rail 6, and then drives the side guard plate 5 to approach the side of the tunnel.

[0028] A further optimized solution is that a second groove 10 is provided on the side of the second connecting seat 4 away from the first connecting seat 2, and one end of the first connecting rod 12 is rotatably connected to the second groove 10 through the first connecting shaft 11. The first connecting shaft 11 is located on the side of the second groove 10 away from the first connecting seat 2, and one end of the first connecting rod 12 away from the second connecting seat 4 is hinged to the side guard plate 5, and a transmission member is fixedly connected to the second groove 10, and the transmission member abuts against the first connecting rod 12.

[0029] According to a further optimized solution, a first hydraulic telescopic rod 13 is fixedly connected to the top surface of the second groove 10 , an abutment seat 14 is fixedly connected to the bottom surface of the first hydraulic telescopic rod 13 , and the abutment seat 14 abuts against the top surface of the first connecting rod 12 .

[0030] When the side guard plate 5 needs to be moved, the first hydraulic telescopic rod 13 is started, the first hydraulic telescopic rod 13 is extended, and the first hydraulic telescopic rod 13 drives the abutment seat 14 to move toward the side close to the first connecting rod 12, thereby driving the first connecting rod 12 to rotate around the first connecting axis 11 to change the position of the side guard plate 5.

[0031] According to a further optimization scheme, a first hinge seat 15 is fixedly connected to one side of the side guard plate 5 close to the first connecting rod 12 , the first hinge seat 15 is hinged to the first connecting rod 12 , and an auxiliary component is fixedly connected to the top surface of the first connecting rod 12 , and the auxiliary component is located above the first hinge seat 15 .

[0032] A further optimized solution is that the auxiliary parts include a second articulated seat 16 fixedly connected to the top surface of the first connecting rod 12, a third articulated seat 17 fixedly connected to the top of the side guard plate 5, a second connecting rod 18 fixedly connected between the third articulated seat 17 and the second articulated seat 16, and the third articulated seat 17 is located above the first articulated seat 15.

[0033] The auxiliary member is used to assist the side guard plate 5 in moving.

[0034] A further optimized solution is that the first telescopic mechanism includes a second hydraulic telescopic rod 19 symmetrically fixed to the top surface of the first connecting seat 2, the top surfaces of the two second hydraulic telescopic rods 19 are fixed with a first connecting plate 20, the bottom surface of the top guard plate 3 is symmetrically fixed with a third connecting seat 21, and the third connecting seat 21 is fixed to the first connecting plate 20.

[0035] The second hydraulic telescopic rod 19 extends, driving the first connecting plate 20 to rise, the first connecting plate 20 drives the third connecting seat 21 to rise, and the third connecting seat 21 drives the top guard plate 3 to rise.

[0036] According to a further optimized solution, the driving assembly includes a driving seat 22 fixedly connected to both sides of the connecting frame 1, and a connecting wheel 23 is rotatably connected inside the driving seat 22, wherein a limiting portion is fixedly connected between the two driving seats 22.

[0037] A further optimized solution is provided, wherein the limiting portion comprises a second connecting plate 24 fixedly connected between the two driving seats 22, a fourth connecting seat 25 being fixedly connected to the top surface of the second connecting plate 24, a third groove 26 being provided in the fourth connecting seat 25, a first electric telescopic rod 27 being fixedly connected in the third groove 26, a transmission seat 28 being fixedly connected to the bottom surface of the first electric telescopic rod 27, a first cavity 29 being provided in the second connecting plate 24, the third groove 26 being communicated with the first cavity 29, a first through hole 30 being provided on a side of the driving seat 22 close to the first cavity 29, a limiting seat 31 being slidably connected in the first cavity 29, an end of the limiting seat 31 close to the first through hole 30 being slidably connected in the first through hole 30, the limiting seat 31 abutting against the connecting wheel 23, a third connecting rod 32 being fixedly connected to one end of the limiting seat 31 located in the first cavity 29, an end of the third connecting rod 32 away from the limiting seat 31 being located below the third groove 26, and the transmission seat 28 extending into the first cavity 29 and being adapted to the third connecting rod 32. The movement of the connecting wheel 23 is limited by the limiting portion.

[0038] According to a further optimized solution, third connecting plates 33 are fixedly connected to both sides of the limiting seat 31 in the first cavity 29 , and a first spring 34 is fixedly connected between the third connecting plate 33 and the inner wall of the first cavity 29 .

[0039] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0040] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A support device for tunnel construction, characterized in that: The invention comprises a connecting frame (1), the bottom surface of which is fixedly connected to a driving mechanism, the driving mechanism comprising driving components symmetrically fixedly connected to the bottom surface of the connecting frame (1), one of the driving components being provided with a limiting portion, a first connecting seat (2) being fixedly connected to the center of the top surface of the connecting frame (1), a first telescopic mechanism being fixedly connected to the top surface of the first connecting seat (2), a top guard plate (3) being fixedly connected to the top surface of the first telescopic mechanism, second connecting seats (4) being symmetrically slidably connected to the two sides of the first connecting seat (2), the second connecting seat (4) being slidably connected to the connecting frame (1), a connecting mechanism being transmission-connected to a side of the second connecting seat (4) away from the first connecting seat (2), the connecting mechanism being hingedly connected to a side guard plate (5), the side guard plate (5) being adapted to the top guard plate (3).

2. The tunnel construction support device according to claim 1, characterized in that: The top surface of the connecting frame (1) is symmetrically fixed with a first guide rail (6), and the first guide rail (6) is respectively located on both sides of the first connecting seat (2). The bottom surface of the second connecting seat (4) is symmetrically provided with a first groove (7), and the first groove (7) is slidably connected to the first guide rail (6) adjacent thereto. The first motor (8) is symmetrically fixed with the two sides of the first connecting seat (2), and the output shaft of the first motor (8) is fixed with one end of a first lead screw (9), and the first lead screw (9) is threadedly connected to the second connecting seat (4).

3. The tunnel construction support device according to claim 1, characterized in that: A second groove (10) is provided on a side of the second connecting seat (4) away from the first connecting seat (2); one end of a first connecting rod (12) is rotatably connected to the inside of the second groove (10) via a first connecting shaft (11); the first connecting shaft (11) is located on a side of the second groove (10) away from the first connecting seat (2); one end of the first connecting rod (12) away from the second connecting seat (4) is hinged to the side guard plate (5); a transmission member is fixedly connected to the inside of the second groove (10); the transmission member abuts against the first connecting rod (12).

4. The tunnel construction support device according to claim 3, characterized in that: A first hydraulic telescopic rod (13) is fixedly connected to the inner top surface of the second groove (10), an abutment seat (14) is fixedly connected to the bottom surface of the first hydraulic telescopic rod (13), and the abutment seat (14) abuts against the top surface of the first connecting rod (12).

5. The tunnel construction support device according to claim 3, characterized in that: A first hinge seat (15) is fixedly connected to one side of the side guard plate (5) close to the first connecting rod (12), the first hinge seat (15) is hinged to the first connecting rod (12), and an auxiliary component is fixedly connected to the top surface of the first connecting rod (12), and the auxiliary component is located above the first hinge seat (15).

6. The tunnel construction support device according to claim 5, characterized in that: The auxiliary component includes a second hinge seat (16) fixedly connected to the top surface of the first connecting rod (12), a third hinge seat (17) fixedly connected to the top of the side guard plate (5), a second connecting rod (18) fixedly connected between the third hinge seat (17) and the second hinge seat (16), and the third hinge seat (17) is located above the first hinge seat (15).

7. The tunnel construction support device according to claim 1, characterized in that: The first telescopic mechanism comprises a second hydraulic telescopic rod (19) symmetrically fixed to the top surface of the first connecting seat (2), the top surfaces of the two second hydraulic telescopic rods (19) are fixedly connected to a first connecting plate (20), the bottom surface of the top guard plate (3) is symmetrically fixedly connected to a third connecting seat (21), and the third connecting seat (21) is fixedly connected to the first connecting plate (20).

8. The tunnel construction support device according to claim 1, characterized in that: The driving assembly comprises a driving seat (22) fixedly connected to both sides of the connecting frame (1), a connecting wheel (23) being rotatably connected inside the driving seat (22), wherein the limiting portion is fixedly connected between the two driving seats (22).

9. The tunnel construction support device according to claim 8, characterized in that: The limiting portion comprises a second connecting plate (24) fixedly connected between the two driving seats (22); a fourth connecting seat (25) is fixedly connected to the top surface of the second connecting plate (24); a third groove (26) is provided in the fourth connecting seat (25); a first electric telescopic rod (27) is fixedly connected to the third groove (26); a transmission seat (28) is fixedly connected to the bottom surface of the first electric telescopic rod (27); a first cavity (29) is provided in the second connecting plate (24); the third groove (26) is connected to the first cavity (29); a first groove (29) is provided on a side of the driving seat (22) close to the first cavity (29); A through hole (30), a limiting seat (31) is slidably connected in the first cavity (29), one end of the limiting seat (31) close to the first through hole (30) is slidably connected in the first through hole (30), the limiting seat (31) abuts against the connecting wheel (23), one end of the limiting seat (31) located in the first cavity (29) is fixedly connected with a third connecting rod (32), one end of the third connecting rod (32) away from the limiting seat (31) is located below the third groove (26), and the transmission seat (28) extends into the first cavity (29) and is adapted to the third connecting rod (32).

10. The tunnel construction support device according to claim 9, characterized in that: The limiting seat (31) is located in the first cavity (29) and has third connecting plates (33) fixedly connected to both sides thereof, and a first spring (34) is fixedly connected between the third connecting plate (33) and the inner wall of the first cavity (29).

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