Hanging plate trolley

Abstract

The utility model discloses a hanging plate trolley which comprises a walking door frame, walking wheels with brakes are arranged at the bottom end of the walking door frame, a first platform, a second platform and a third platform are arranged on the top, the middle upper portion and the middle lower portion of the walking door frame respectively, and a ladder stand is arranged on the outer side, close to the end portion, of the walking door frame and extends upwards from the lower end of the walking door frame to the first platform. Protective guards are arranged on the outer sides of the first platform, the second platform and the third platform, and openings are formed in the protective guards close to the crawling ladder. According to the hanging plate trolley, the platform is arranged on the walking door frame, the main body structure is compact, small and exquisite, the occupied space is small, the hanging plate trolley can be conveniently used on site when waterproof cloth of an open-cut tunnel is laid, other construction is prevented from being influenced, the structure is light, moving can be achieved through manual pushing, and the practical using operability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of tunnel support, and particularly relates to a hanging plate trolley. Background Art

[0002] When constructing a tunnel, in order to prevent the tunnel from leaking water and extend the service life of the tunnel, a tunnel waterproof board hanging trolley is needed to lay the waterproof hanging cloth on the inner wall of the tunnel.

[0003] For example, a tunnel waterproof board trolley capable of quickly laying a hanging cloth provided by Patent CN217602684U includes a trolley main body. Arc-shaped tracks are respectively arranged at the left and right ends of the upper surface of the trolley main body. Drag cloth frame bases are respectively and slidably connected to the two arc-shaped tracks. Fixed frames are respectively arranged on the outer sides of the two drag cloth frame bases. Rotating shafts are rotatably connected to the inner sides of the two fixed frames through bearings. For this tunnel waterproof board trolley capable of quickly laying a hanging cloth, by pulling out the insertion rod and rotating the rotating block, the two rotating plates and their internal structures can be flipped, and the used and unused waterproof cloth rolls can be flipped inside and outside, so that the replacement of the waterproof cloth roll can be quickly completed, saving time and improving efficiency.

[0004] However, for an open-cut tunnel, when the crown arch has not been poured and before the steel mesh is laid, the waterproof board still needs to be laid on the side walls on both sides of the tunnel first. When using this trolley to lay the hanging cloth, it is difficult for manual operation to move, and it occupies a large space, which is likely to affect the construction of steel mesh laying and crown arch pouring. Especially when a crane hoists materials from the top, the actual operation and use performance is poor. Content of the Utility Model

[0005] The technical solution adopted by the utility model is a hanging plate trolley, which includes a walking door frame. Self-braking walking wheels are arranged at the bottom end of the walking door frame. A first platform, a second platform and a third platform are respectively arranged at the top, upper middle part and lower middle part of the walking door frame. A ladder is arranged outside the walking door frame near the end, and the ladder extends upward from the lower end of the walking door frame to the first platform.

[0006] Preferably, the above-mentioned walking door frame includes vertical columns and inclined columns. The two vertical columns are arranged side by side at intervals and are fixedly connected by a cross beam at the top. The outer sides of the tops of the two vertical columns are respectively connected to the inclined columns through longitudinal beams. A cross beam is fixedly connected between the two inclined columns. The bottom ends of the inclined columns incline outward and are located below the bottom ends of the vertical columns. The first platform, the second platform and the third platform are located between the vertical columns and the inclined columns.

[0007] Preferably, guardrails are arranged on the outer sides of the first platform, the second platform and the third platform, and an opening is arranged on the guardrail near the ladder.

[0008] Preferably, second walkways and third walkways extend outwardly near the ladder on the outer sides of the above-mentioned second platform and third platform respectively. The outer end of the third walkway extends beyond the second walkway. The openings of the second walkway and the third walkway face the side of the ladder and are close to the ladder.

[0009] Preferably, a strengthening cross beam is provided between two inclined columns on the outer sides of the above-mentioned second platform and third platform. The strengthening cross beam passes through the second walkway and the third walkway.

[0010] Preferably, a diagonal brace is provided between the middle of the above-mentioned third platform and the lower part of the walking door frame.

[0011] Preferably, stay ropes are provided in the middle of both ends of the walking door frame. The movable ends of the stay ropes extend back into the walking door frame after bypassing pulleys. The pulleys are installed at the far ends within the set range of the walking door frame.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows. The hanging plate trolley provided by the present utility model is provided with platforms on the walking door frame. The main structure is compact and small, occupying little space, facilitating on-site use during the laying of waterproof cloth in open-cut tunnels, avoiding affecting other constructions, and being light in structure. It can be moved by manual pushing, with strong practical operability. By providing pulleys at the far ends of the walking door frame and stretching connection pulleys on the walking door frame, the staff can pull the stay ropes on the platform to move the walking door frame, which is convenient to use. Description of the Drawings

[0013] Figure 1 is the front view of the hanging plate trolley;

[0014] Figure 2 is the side view of the hanging plate trolley;

[0015] Figure 3 is the top view of the first platform;

[0016] Figure 4 is the top view of the third platform;

[0017] Figure 5 is the top view of the third platform. Detailed Embodiments

[0018] The following will further explain and illustrate the present utility model in conjunction with the drawings of the specification, so as to facilitate better understanding by those skilled in the art.

[0019] Embodiment 1

[0020] As Figures 1-5As shown in the figure, a hanging plate trolley includes a walking door frame 1. At the bottom end of the walking door frame 1, there are walking wheels 2 with self-brakes. At the top, upper-middle part, and lower-middle part of the walking door frame 1, there are a first platform 3, a second platform 4, and a third platform 5 respectively. Near the end of the outer side of the walking door frame 1, there is a climbing ladder 6, which extends upward from the lower end of the walking door frame 1 to the first platform 3. By walking and operating on the first platform 3, the second platform 4, and the third platform 5, waterproof cloth is manually laid. According to the laying length, the walking door frame 1 can be directly pushed forward to continue working.

[0021] The above-mentioned walking door frame 1 includes vertical columns 101 and inclined columns 102. The two vertical columns 101 are arranged side by side at intervals, and the tops are fixedly connected by a cross beam 103. The outer sides of the tops of the two vertical columns 101 are respectively connected to the inclined columns 102 through longitudinal beams 104. A cross beam 103 is fixedly connected between the two inclined columns 102. The bottom ends of the inclined columns 102 are inclined outward and are located below the bottom ends of the vertical columns 101. The first platform 3, the second platform 4, and the third platform 5 are located between the vertical columns 101 and the inclined columns 102. The overall structure of the device is compact, occupies a small space, is convenient for on-site use during the laying of waterproof cloth in open-cut tunnels, avoids affecting other constructions, and is lightweight. It can be moved by manual pushing, and has strong on-site operability.

[0022] On the outer sides of the first platform 3, the second platform 4, and the third platform 5, there are guardrails 7 to ensure the walking safety of the staff. An opening is provided near the climbing ladder 6 on the guardrail 7, and the various platforms can be entered from the climbing ladder through the opening. Since the climbing ladder 6 is arranged along the inclined column 102 and is inclined, in order to facilitate entering the second platform 4 and the third platform 5 from the climbing ladder 6, the second platform 4 and the third platform 5 respectively extend outward near the climbing ladder 6 to form a second walkway 401 and a third walkway 501. The outer end of the third walkway 501 extends beyond the second walkway 401. The openings of the second walkway 401 and the third walkway 501 face the side of the climbing ladder 6 and are close to the climbing ladder 6.

[0023] To ensure walking safety, on the outer sides of the above-mentioned second platform 4 and the third platform 5, between the two inclined columns, there is a strengthening cross beam 8, and the strengthening cross beam 8 passes through the second walkway 401 and the third walkway 501; between the middle part of the third platform 5 and the lower part of the walking door frame 1, there is an inclined strut 9 to enhance the overall stability of the hanging plate trolley.

[0024] Furthermore, in the middle of both ends of the above-mentioned walking door frame 1, there are pull ropes 10. The movable ends of the pull ropes 10 extend back into the walking door frame 1 after bypassing pulleys 11. The pulleys 11 are installed at the far ends within the set range of the walking door frame 1 (on the inner wall of the far-end tunnel), and anti-disengagement mechanisms are provided on the pulleys 11. The staff stands on the platform and pulls the pull ropes 10 to move the hanging plate trolley, without getting off the vehicle for operation, which is simple and convenient.

[0025] Usage method: Place the column 101 of the walking door frame 1 on the step surface close to the tunnel side wall, with the inclined column 102 on the outside, just landing on the tunnel bottom surface. Workers climb up the first platform 3, the second platform 4 or the third platform 5 through the ladder 6 to lay and fix the waterproof cloth. After completing the current waterproof cloth laying, push or pull the pull rope 10 to move the hanging plate trolley to continue the waterproof cloth laying. The main structure is compact and small, occupying little space, facilitating on-site use during the waterproof cloth laying of open-cut tunnels, avoiding interference with other constructions, and having strong operability.

[0026] The embodiments described above are only for describing the preferred implementation manners of the present invention, and do not limit the scope of the present invention. Without departing from the design spirit and principles of the present invention, various deformations and improvements made by those skilled in the art to the technical solutions of the present invention shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A hanging plate trolley, characterized in that: The walking door frame (1) comprises a walking wheel (2) with a brake at the bottom end thereof, a first platform (3), a second platform (4) and a third platform (5) respectively arranged at the top, the middle upper part and the middle lower part of the walking door frame (1), a ladder (6) is arranged near the end of the outer side of the walking door frame (1), and the ladder (6) extends upward from the lower end of the walking door frame (1) to the first platform (3), and the walking door frame (1) comprises a vertical column (101) and an inclined column (102), and the two vertical columns (101) and the inclined columns (102) are respectively arranged at the top, the middle upper part and the middle lower part of the walking door frame (1). The columns (101) are arranged side by side at intervals, and the top ends are fixedly connected by a cross beam (103). The top ends of the two upright columns (101) are respectively connected to the inclined columns (102) by a longitudinal beam (104). The cross beam (103) is fixedly connected between the two inclined columns (102). The bottom ends of the inclined columns (102) are inclined outwards and are located below the bottom ends of the upright columns (101). The first platform (3), the second platform (4) and the third platform (5) are located between the upright columns (101) and the inclined columns (102).

2. A hanging plate trolley according to claim 1, characterized in that: Guardrails (7) are provided on the outside of the first platform (3), the second platform (4) and the third platform (5), and an opening is provided on the guardrails (7) near the ladder (6).

3. A hanging plate trolley according to claim 2, characterized in that: A second walkway (401) and a third walkway (501) are respectively extended outwardly from the outer sides of the second platform (4) and the third platform (5) near the ladder (6), the outer end of the third walkway (501) exceeds the second walkway (401), and the openings of the second walkway (401) and the third walkway (501) face one side of the ladder (6) and are close to the ladder (6).

4. A hanging plate trolley according to claim 3, characterized in that: A reinforcing crossbeam (8) is provided between the two inclined columns (102) on the outside of the second platform (4) and the third platform (5), and the reinforcing crossbeam (8) passes through the second walkway (401) and the third walkway (501).

5. A hanging plate trolley according to claim 1, characterized in that: A diagonal brace (9) is provided between the middle portion of the third platform (5) and the lower portion of the walking door frame (1).

6. A hanging plate trolley according to claim 1, characterized in that: A pull rope (10) is provided at the middle of both ends of the walking door frame (1). The movable end of the pull rope (10) passes around a pulley (11) and then extends back to the walking door frame (1). The pulley (11) is installed at the far end within a set range of the walking door frame (1).

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