CN212925730U

CN212925730U - Hydraulic self-propelled walking trestle for tunnel inverted arch construction

Info

Publication number: CN212925730U
Application number: CN202023244614.4U
Authority: CN
Inventors: 苏武东
Original assignee: Chongqing Shengong Steel Formwork Manufacturing Co ltd
Current assignee: Chongqing Shengong Steel Formwork Manufacturing Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-04-09
Anticipated expiration: 2030-12-29

Abstract

The utility model relates to a tunnel invert landing stage technical field just discloses tunnel invert construction hydraulic pressure self-propelled walking landing stage, which comprises a supporting seat and i, the top fixedly connected with lift cylinder of supporting seat, the top fixedly connected with guardrail of lift cylinder, the right side of supporting seat is equipped with the gyro wheel, the top fixedly connected with connecting seat of gyro wheel, the top fixedly connected with fixing base of connecting seat, the right side fixedly connected with center bull stick of fixing base, the right side of center bull stick is rotated and is connected with the center bull stick. The utility model discloses when lifting up the removal to the main bridge, telescopic cylinder contracts to drive bottom main bridge rebound, driving motor work drives the drum and retrieves first hinge, avoids the cylinder body impaired in telescopic cylinder use, leads to lifting up the time-out to the bottom main bridge, takes place the condition that the main bridge falls, has reduced the risk of landing stage work, has improved the construction security.

Description

Hydraulic self-propelled walking trestle for tunnel inverted arch construction

Technical Field

The utility model relates to a tunnel invert landing stage technical field specifically is tunnel invert construction hydraulic pressure self-propelled walking landing stage.

Background

The inverted arch trestle is professional equipment for realizing inverted arch full-width construction and inverted arch filling of railway and highway tunnels, various vehicle equipment and personnel in an inverted arch operation section are normally passed on the trestle by adopting the inverted arch trestle in tunnel construction, and tunnel inverted arch reinforcement binding, inverted arch and concrete filling and pouring and other operations are simultaneously carried out under the trestle, so that the interference between tunnel face excavation construction I transportation and inverted arch construction can be reduced.

But current self-propelled hydraulic pressure invert landing stage lifts up through hydraulic telescoping rod drive main bridge and removes when in-service use for the pressure of pneumatic cylinder is great, does not set up auxiliary stay, leads to taking place the danger that the main bridge falls very easily, and main bridge rotation angle is little, is difficult to satisfy full section excavation and satisfies the bench method excavation simultaneously, and for this reason, we release a tunnel invert construction hydraulic pressure self-propelled walking landing stage.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a tunnel invert construction hydraulic pressure self-propelled walking landing stage possesses the advantage of auxiliary stay, has solved the problem that the main bridge falls, and it is big to possess main bridge rotation angle, has solved and has been difficult to satisfy the problem that full section excavation satisfied the step method excavation simultaneously.

The utility model provides a following technical scheme: the hydraulic self-propelled walking trestle for tunnel invert construction comprises a supporting seat, wherein a lifting cylinder is fixedly connected to the top of the supporting seat, a guardrail is fixedly connected to the top of the lifting cylinder, a roller is arranged on the right side of the supporting seat, a connecting seat is fixedly connected to the top of the roller, a fixing seat is fixedly connected to the top of the connecting seat, a central rotating rod is fixedly connected to the right side of the fixing seat, a guide gear is rotatably connected to the right side of the central rotating rod, a wire collecting disc is arranged at the bottom of the central rotating rod, a driving motor is fixedly connected to one side of the wire collecting disc, a first hinge is clamped to the outer wall of the wire collecting disc, a cross rod is fixedly connected to the inner wall of the connecting seat, a central rotating shaft is sleeved on two movable ends of the cross rod, rotating seats are movably sleeved on two sides of the cross rod, a fixing buckle, the hinge box is characterized in that a telescopic cylinder is fixedly connected to one side of the fixing seat, a hinge box is fixedly connected to the bottom of the telescopic cylinder, a rotating motor is arranged inside the hinge box, a second hinge is clamped to the outer wall of the rotating motor, a lifting gear is clamped to the bottom of the second hinge, and a main bridge is fixedly connected to one side of the lifting gear.

Preferably, the centre of a circle of leading gear and wire-collecting tray is on same vertical water line, and the one end and the fixed knot of first hinge are fixed and are connected, the other end of first hinge passes through the outer wall of leading gear winding at the wire-collecting tray.

Preferably, both sides of the cross frame are fixedly connected with the inner wall of the hinge box.

Preferably, the bottom of the hinge box is provided with a rectangular opening, the sectional area of the rectangular opening is larger than that of the second hinge, the bottom of the hinge box is provided with heat dissipation holes, and the heat dissipation holes are uniformly arranged at the bottom of the hinge box.

Preferably, the distance from the central rotating shaft to the connecting seat is smaller than the distance from the rotating seat to the connecting seat, one end of the central rotating shaft is fixedly connected with the cross frame, one end of the rotating seat is fixedly connected with the main bridge, and the length of the cross frame is smaller than that of the main bridge.

Preferably, one end of the second hinge is fixed on the outer wall of the rotating motor, and the other end of the second hinge is fixedly connected with the bottom of the hinge box through the rectangular opening and the lifting gear.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this tunnel invert construction hydraulic pressure self-propelled walking landing stage, through increasing first hinge, driving motor, the drum that collects, the center bull stick, the crossbearer, fixed knot and central pivot, when lifting the removal to the main bridge, telescopic cylinder shrink, thereby drive bottom main bridge rebound, driving motor work, drive drum retrieves first hinge, it is impaired to avoid the cylinder body in telescopic cylinder use, lead to lifting the time-out bottom main bridge, the condition that the main bridge falls takes place, the risk in the landing stage work has been reduced, construction safety has been improved.

2. This tunnel invert construction hydraulic pressure self-propelled walking landing stage, through the crossbearer, the hinge case, rotate the motor, the second hinge, lifting gear and rotation seat, original structure passes through the telescopic link shrink and drives the main bridge and rotate, receive the length restriction of telescopic link, lead to the rotation angle to the main bridge limited, be difficult to satisfy full section excavation and satisfy the bench method excavation simultaneously, sink and rise the main bridge through gear box and second hinge, the operation scope of main bridge has been improved, the limited construction scope that leads to of main bridge rotation angle has been avoided receiving the influence.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a first hinge structure of the present invention;

FIG. 3 is a side view of the structure of the present invention;

fig. 4 is a schematic view of a second hinge structure of the present invention.

In the figure: 1. a supporting seat; 2. lifting air; 3. a guardrail; 4. a roller; 5. a connecting seat; 6. a guide gear; 7. a first hinge; 8. a fixed seat; 9. a fixing buckle; 10. a telescopic cylinder; 11. a cross frame; 12. a hinge box; 13. a wire collecting disc; 14. a central rotating shaft; 15. a central rotating rod; 16. a drive motor; 17. rotating the motor; 18. a second hinge; 19. a main bridge; 20. a cross bar; 21. a rotating seat; 22. and a lifting gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the hydraulic self-propelled traveling trestle for tunnel inverted arch construction comprises a support base 1, a lifting cylinder 2 is fixedly connected to the top of the support base 1, a guardrail 3 is fixedly connected to the top of the lifting cylinder 2, a roller 4 is arranged on the right side of the support base 1, a connecting base 5 is fixedly connected to the top of the roller 4, a fixing base 8 is fixedly connected to the top of the connecting base 5, a central rotating rod 15 is fixedly connected to the right side of the fixing base 8, a guide gear 6 is rotatably connected to the right side of the central rotating rod 15, the centers of circles of the guide gear 6 and a wire collecting disc 13 are on the same vertical horizontal line, one end of a first hinge 7 is fixedly connected with a fixing buckle 9, the other end of the first hinge 7 is wound on the outer wall of the wire collecting disc 13 through the guide gear 6, the first hinge 7 is driven to rotate through a driving motor, the telescopic cylinder 10 drives the cross frame 11 to move towards the top, so as to drive the main axle 19 to overturn, auxiliary work is carried out through the driving motor 16 and the first hinge 7, the situation that the main axle 19 falls down due to damage of a cylinder body is avoided, the bottom of the central rotating rod 15 is provided with the wire collecting disc 13, one side of the wire collecting disc 13 is fixedly connected with the driving motor 16, the outer wall of the wire collecting disc 13 is clamped with the first hinge 7, the inner wall of the connecting seat 5 is fixedly connected with the cross rod 20, two movable sleeves of the cross rod 20 are sleeved with the central rotating shaft 14, the distance between the central rotating shaft 14 and the connecting seat 5 is smaller than that between the rotating seat 21 and the connecting seat 5, one end of the central rotating shaft 14 is fixedly connected with the cross frame 11, one end of the rotating seat 21 is fixedly connected with the main axle 19, the length of the cross frame 11 is smaller than that of the main axle 19, when the first hinge 7 drives the cross frame 11 to, when the main bridge 19 rotates, the rotating seat 21 rotates on the surface of the cross bar 20, the rotating seat 21 is movably sleeved on two sides of the cross bar 20, the bottom of the first hinge 7 is fixedly connected with the fixing buckle 9, the bottom of the fixing buckle 9 is fixedly connected with the cross frame 11, two sides of the cross frame 11 are fixedly connected with the inner wall of the hinge box 12, when the telescopic cylinder 10 contracts, the cross frame 11 is driven to rotate through the fixed connection of the cross frame 11 and the hinge box 12, the telescopic cylinder 10 is fixedly connected with one side of the fixing seat 8, the bottom of the telescopic cylinder 10 is fixedly connected with the hinge box 12, a rectangular opening is arranged at the bottom of the hinge box 12, the sectional area of the rectangular opening is larger than that of the second hinge 18, the bottom of the hinge box 12 is provided with heat dissipation holes, the heat dissipation holes are uniformly arranged at the bottom of the hinge box 12, and the rotating motor 17 is prevented from working, the heat exchange between the internal environment of the hinge box 12 and the outside is facilitated, the problem that the heat inside the hinge box 12 cannot be smoothly conducted out is avoided, so that the internal temperature of the box body is overhigh, the rotating motor 17 is arranged inside the hinge box 12, the second hinge 18 is clamped on the outer wall of the rotating motor 17, one end of the second hinge 18 is fixed on the outer wall of the rotating motor 17, the other end of the second hinge 18 is fixedly connected with the bottom of the hinge box 12 through a rectangular opening and a lifting gear 22, the second hinge 18 is driven to contract through the operation of the rotating motor 17, the second hinge 18 contracts to drive the main bridge 19 to move towards the top, so that the turnover angle of the main bridge 19 is enlarged, the requirement for full-section excavation is conveniently met, meanwhile, the step-method excavation is met, namely, the folding and unfolding angle of the second hinge 18 to the main bridge 19 is increased on the basis of the original rotating angle, the lifting, one side of the lifting gear 22 is fixedly connected with a main bridge 19.

The theory of operation lifts up when removing main axle 19, rotates motor 17 work, drives second hinge 18 and contracts, and second hinge 18 length shortens, and main axle 19 takes place to remove to the top, and telescopic cylinder 10 contracts, and driving motor 16 rotates, contracts first hinge 7, avoids taking place that the cylinder body is impaired, and the condition that main axle 19 descends takes place, can.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Tunnel invert construction hydraulic pressure self-propelled walking trestle, including supporting seat (1), its characterized in that: the top of the supporting seat (1) is fixedly connected with a lifting cylinder (2), the top of the lifting cylinder (2) is fixedly connected with a guardrail (3), the right side of the supporting seat (1) is provided with a roller (4), the top of the roller (4) is fixedly connected with a connecting seat (5), the top of the connecting seat (5) is fixedly connected with a fixing seat (8), the right side of the fixing seat (8) is fixedly connected with a central rotating rod (15), the right side of the central rotating rod (15) is rotatably connected with a guide gear (6), the bottom of the central rotating rod (15) is provided with a wire collecting disc (13), one side of the wire collecting disc (13) is fixedly connected with a driving motor (16), the outer wall of the wire collecting disc (13) is clamped with a first hinge (7), the inner wall of the connecting seat (5) is fixedly connected with a cross rod (20), and two movable sleeves of the cross rod, the utility model discloses a hinge box, including horizontal pole (20), rotation seat (21), the bottom fixedly connected with of first hinge (7) is fixed to be detained (9), the bottom fixedly connected with crossbearer (11) of fixed knot (9), one side fixedly connected with telescopic cylinder (10) of fixing base (8), the bottom fixedly connected with hinge case (12) of telescopic cylinder (10), the inside of hinge case (12) is equipped with rotates motor (17), the outer wall joint that rotates motor (17) has second hinge (18), the bottom joint of second hinge (18) has elevating gear (22), one side fixedly connected with main bridge (19) of elevating gear (22).

2. The hydraulic self-propelled walking trestle for tunnel inverted arch construction according to claim 1, which is characterized in that: the circle center of guide gear (6) and line concentration dish (13) is on same vertical horizontal line, and the one end and the fixed knot (9) fixed connection of first hinge (7), the other end of first hinge (7) passes through guide gear (6) and twines the outer wall at line concentration dish (13).

3. The hydraulic self-propelled walking trestle for tunnel inverted arch construction according to claim 1, which is characterized in that: and two sides of the transverse frame (11) are fixedly connected with the inner wall of the hinge box (12).

4. The hydraulic self-propelled walking trestle for tunnel inverted arch construction according to claim 1, which is characterized in that: the bottom of the hinge box (12) is provided with a rectangular opening, the sectional area of the rectangular opening is larger than that of the second hinge (18), the bottom of the hinge box (12) is provided with heat dissipation holes, and the heat dissipation holes are uniformly arranged at the bottom of the hinge box (12).

5. The hydraulic self-propelled walking trestle for tunnel inverted arch construction according to claim 1, which is characterized in that: the distance between the central rotating shaft (14) and the connecting seat (5) is smaller than the distance between the rotating seat (21) and the connecting seat (5), one end of the central rotating shaft (14) is fixedly connected with the transverse frame (11), one end of the rotating seat (21) is fixedly connected with the main bridge (19), and the length of the transverse frame (11) is smaller than that of the main bridge (19).

6. The hydraulic self-propelled walking trestle for tunnel inverted arch construction according to claim 1, which is characterized in that: one end of the second hinge (18) is fixed on the outer wall of the rotating motor (17), and the other end of the second hinge (18) is fixedly connected with the bottom of the hinge box (12) through a rectangular opening and a lifting gear (22).