CN216426534U

CN216426534U - Hoisting device for steel structure in shield tunnel

Info

Publication number: CN216426534U
Application number: CN202122474827.4U
Authority: CN
Inventors: 方超刚; 苑健; 李亮; 胡吕; 王光亮; 杨迎录; 王泽明; 毛忠辉; 聂志红
Original assignee: Sinohydro Bureau 14 Co Ltd
Current assignee: Sinohydro Bureau 14 Co Ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-05-03
Anticipated expiration: 2031-10-14

Abstract

The utility model relates to a hoisting device for a steel structure in a shield tunnel, which belongs to the technical field of municipal engineering, and comprises a counterweight frame, a frame body, a suspension arm, a bearing, a winch, a pulley and a steel wire rope; the counterweight frame and the frame body are both of frame structures, and the counterweight frame is fixedly connected to the tail part of the frame body; the suspension arm is fixedly connected to the front end of the frame body, and two bearings for enabling the suspension arm to rotate 360 degrees are arranged on the suspension arm; the winch is arranged on the frame body; the pulley is fixed on the suspension arm, the steel wire rope penetrates through the pulley, one end of the steel wire rope is connected with the winch, and the other end of the steel wire rope is connected with the heavy object. The utility model provides a problem of the inside steel construction hoist and mount of shield tunnel, and simple structure, security are high, low cost, convenient and practical.

Description

Hoisting device for steel structure in shield tunnel

Technical Field

The utility model belongs to the technical field of municipal works, specific theory relates to an inside steel construction hoist device of shield tunnel.

Background

In the construction of the electric shield tunnel, in order to meet the laying requirements of different cables, different compartments are required to be separated in the tunnel, profile steel, prefabricated parts and the like are adopted for separation, the installation of the profile steel and the prefabricated parts cannot be hoisted by large-scale hoisting equipment due to limited space in the tunnel, the steel structure and the prefabricated parts are heavy, the installation height exceeds 2m, and manual work cannot be carried out. Therefore, there is a need for a hoisting device that can perform hoisting work in a tunnel and is easy to operate.

Disclosure of Invention

In order to overcome the problem that exists among the background art, the utility model provides an inside steel construction hoist device of shield tunnel has solved the problem of the inside steel construction hoist and mount of shield tunnel, and simple structure, security height, low cost, convenient and practical.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the hoisting device for the steel structure in the shield tunnel comprises a counterweight frame 1, a frame body 2, a suspension arm 3, a bearing 4, a winch 5, a pulley 6 and a steel wire rope 7; the counterweight frame 1 and the frame body 2 are both of frame structures, and the counterweight frame 1 is fixedly connected to the tail part of the frame body 2; the suspension arm 3 is fixedly connected to the front end of the frame body 2, and two bearings 4 for enabling the suspension arm 3 to rotate 360 degrees are arranged on the suspension arm 3; the winch 5 is arranged on the frame body 2; the pulley 6 is fixed on the suspension arm 3, the steel wire rope 7 penetrates through the pulley 6, one end of the steel wire rope is connected with the winch 5, and the other end of the steel wire rope is connected with a heavy object.

Preferably, the suspension arm 3 comprises a vertical rod 8, a horizontal rod 9 and an inclined rod 10, the middle part and the bottom of the vertical rod 8 are respectively connected with the inner rings of the two bearings 4, the bearing 4 at the bottom of the vertical rod 8 is connected with the front end of the frame body 2, the upper end of the vertical rod 8 is fixedly connected with the horizontal rod 9, and the inclined rod 10 is respectively connected with the vertical rod 8 and the horizontal rod 9.

Preferably, the frame body 2 is provided with a reinforcing frame 11, the reinforcing frame 11 is in an inverted [ -shape, the bottom end of the reinforcing frame is fixedly connected to the front end of the frame body 2, and the top end of the reinforcing frame is fixedly connected with the outer ring of the bearing 4 in the middle of the vertical rod 8.

Preferably, two reinforcing rods 12 are arranged on two sides of the reinforcing frame 11, one end of each reinforcing rod 12 is fixedly connected with the reinforcing frame 11, and the other end of each reinforcing rod 12 is fixedly connected with the frame body 2.

Preferably, a traveling wheel 13 is arranged below the frame body 2.

Preferably, the pulleys 6 are provided in at least three, two fixed to the horizontal bar 9 and one fixed to the vertical bar 8.

The utility model has the advantages that:

the utility model is simple in operation, can carry out the hoist and mount operation of steel construction in the narrow and small tunnel in space, solve the problem of the inside steel construction hoist and mount of shield tunnel to can draw materials on the spot, it chooses for use material economy, simple manufacture, practicality are strong.

Drawings

Fig. 1 is a left side view structure diagram of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic front view of the present invention;

in the figure, 1-counterweight frame, 2-frame body, 3-suspension arm, 4-bearing, 5-winch, 6-pulley, 7-steel wire rope, 8-vertical rod, 9-horizontal rod, 10-diagonal rod, 11-reinforcing frame, 12-reinforcing rod and 13-traveling wheel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.

As shown in fig. 1-3, the hoisting device for the steel structure in the shield tunnel comprises a counterweight frame 1, a frame body 2, a suspension arm 3, a bearing 4, a winch 5, a pulley 6 and a steel wire rope 7. Counterweight frame 1 and support body 2 are by shaped steel assembly welding frame construction, and counterweight frame 1 fixed connection is in 2 afterbody of support body, and the abrasive band is filled as the counter weight in counterweight frame 1. The suspension arm 3 comprises a vertical rod 8, a horizontal rod 9 and an inclined rod 10, the middle part and the bottom of the vertical rod 8 are respectively connected with the inner rings of the two bearings 4, the bearing 4 at the bottom of the vertical rod 8 is connected with the front end of the frame body 2, the upper end of the vertical rod 8 is fixedly connected with the horizontal rod 9, and the inclined rod 10 is respectively connected with the vertical rod 8 and the horizontal rod 9. The suspension arm 3 can rotate 360 degrees through the bearing 5, so that steel structures on two sides of the tunnel can be conveniently hoisted. Hoist engine 5 installs on support body 2, and pulley 6 is fixed on davit 3, sets up 3 altogether, and two welding are on horizontal bar 9, and a welding is on vertical pole 8, and wire rope 7 passes pulley 6, and hoist engine 5 is connected to one end, and the heavy object is connected to the other end, realizes the steel construction hoist and mount, and hoist engine 5 establishes on support body 2, as the driving system who lifts by crane. Four traveling wheels 13 are arranged below the frame body 2, so that the moving in the tunnel is facilitated.

The frame body 2 is provided with a reinforcing frame 11, the reinforcing frame 11 is of an inverted [ -structure formed by assembling and welding profile steel, the bottom end of the reinforcing frame is welded at the front end of the frame body 2, and the top end of the reinforcing frame is welded with the outer ring of the bearing 4 in the middle of the vertical rod 8. Two stiffeners 12 of reinforcing frame 11 both sides welding, reinforcing rod 12 one end fixed connection reinforcing frame 11, other end fixed connection support body 2 play whole reinforcement effect.

The utility model discloses a manufacture process:

counterweight frame 1 and support body 2 all adopt 14# channel-section steel assembly welding to form, and

counterweight frame

1 and 2 afterbody welded fastening of support body establish two 14# channel-sections in 2 middle parts of support body, fix hoist engine 5 on the middle part channel-section steel. 2 bottom both sides of support body respectively set up two walking wheels 13, and support body front end middle part welding an internal diameter phi 80's bearing 4, bearing 4 outer loop and support body 2 welded fastening set up the reinforcement frame 11 of falling "[" structure at 2 front ends of support body, and reinforcement frame 11 adopts the preparation of 14# channel-section steel, strengthens 11 horizontal pole middle parts trompil of frame, installs a internal diameter phi 80's bearing 4 downtheholely at the horizontal pole to welded fastening. The vertical rod 8, the horizontal rod 9 and the inclined rod 10 of the suspension arm 3 are formed by assembling and welding phi 80 steel pipes, the vertical rod 8 of the suspension arm 3 penetrates through the middle bearing 4 of the reinforcing frame 11 to be inserted into the front end bearing 4 of the frame body 2 and is welded and fixed with the inner rings of the upper bearing 4 and the lower bearing 4, and the suspension arm 3 can rotate 360 degrees through the bearings 4. Two sides of the reinforcing frame 11 are respectively provided with a 14# channel steel to be fixedly reinforced with the frame body. Two pulleys 6 are welded on a horizontal rod 9 of the suspension arm 3, one pulley 6 is welded on a vertical rod 8 of the suspension arm 3, a steel wire rope 7 penetrates through the three pulleys 6 to extend to the front end of the suspension arm 3, and the steel wire rope 7 can freely stretch and retract along the pulleys 6 by operating the winch 5.

The utility model discloses a working process:

will the utility model discloses install in the shield tunnel, along the tunnel migration to need hoist and mount position, rotatory davit 3 to front end, through the wire rope 7 hoist steel construction of 3 front ends of davit, slowly rotate davit 3 to perpendicular tunnel axis, operation hoist engine 5 lifts by crane the steel construction, and manual fit takes one's place can.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. The utility model provides an inside steel construction hoist device of shield tunnel which characterized in that: the hoisting device for the steel structure in the shield tunnel comprises a counterweight frame (1), a frame body (2), a suspension arm (3), a bearing (4), a winch (5), a pulley (6) and a steel wire rope (7); the counterweight frame (1) and the frame body (2) are both of frame structures, and the counterweight frame (1) is fixedly connected to the tail part of the frame body (2); the suspension arm (3) is fixedly connected to the front end of the frame body (2), and two bearings (4) for enabling the suspension arm (3) to rotate 360 degrees are arranged on the suspension arm (3); the winch (5) is arranged on the frame body (2); the pulley (6) is fixed on the suspension arm (3), the steel wire rope (7) penetrates through the pulley (6), one end of the steel wire rope is connected with the winch (5), and the other end of the steel wire rope is connected with a heavy object.

2. The hoisting device for the steel structure in the shield tunnel according to claim 1, characterized in that: davit (3) include vertical rod (8), horizon bar (9) and down tube (10), vertical rod (8) middle part and bottom respectively with the inner ring joint of two bearings (4), bearing (4) and support body (2) front end of vertical rod (8) bottom are connected, vertical rod (8) upper end and horizon bar (9) fixed connection, vertical rod (8) and horizon bar (9) are connected respectively in down tube (10).

3. The hoisting device for the steel structure in the shield tunnel according to claim 1, characterized in that: support body (2) on be equipped with and strengthen frame (11), strengthen frame (11) for falling "[" shape, its bottom fixed connection is at support body (2) front end, bearing (4) outer loop fixed connection in the middle part of top and vertical pole (8).

4. The hoisting device for the steel structure in the shield tunnel according to claim 3, characterized in that: two sides of the reinforcing frame (11) are provided with two reinforcing rods (12), one end of each reinforcing rod (12) is fixedly connected with the reinforcing frame (11), and the other end of each reinforcing rod is fixedly connected with the frame body (2).

5. The hoisting device for the steel structure in the shield tunnel according to claim 1, characterized in that: a walking wheel (13) is arranged below the frame body (2).

6. The hoisting device for the steel structure in the shield tunnel according to claim 1, characterized in that: the number of the pulleys (6) is at least three, two of the pulleys are fixed on the horizontal rod (9), and the other pulley is fixed on the vertical rod (8).