CN211338603U - A crawler crane gantry - Google Patents

Abstract

The utility model discloses a crawler crane door type frame, including track bed, door type frame one and door type frame two, it has the pivot to embed on the track bed lateral wall, the pivot has two, pivot one side is rotated through the bearing and is connected with door type frame one, the pivot opposite side is rotated through the bearing and is connected with door type frame two. Has the advantages that: the utility model discloses a set up door type frame one and door type frame two for the device can carry out the operation of hanging up of double hook simultaneously, great improvement work efficiency, is favorable to big batch hoisting task's quick completion.

Description

A crawler crane gantry

technical field

The utility model relates to the technical field of crawler cranes, in particular to a crawler crane portal frame.

Background technique

The crawler crane is a self-propelled crane for high-rise building construction. It is a boom rotating crane that uses the crawler to travel. The crawler has a large grounding area, good passability, strong adaptability, and can walk with load, which is suitable for hoisting operations on construction sites. It can perform various operations such as excavation, rammed earth, and piling. However, due to the slow walking speed, other vehicles are required for long-distance transfer of the site.

The gantry of the existing crawler crane has only one set of hooks, and the working mode is relatively simple. Only one set of objects can be lifted at a time, and the efficiency is low. For large quantities of goods, the working speed is slow.

Utility model content

(1) Technical problems to be solved

In order to overcome the shortcomings of the existing technology, a crawler crane gantry is proposed, which solves the problem that the existing crawler crane gantry has only one set of hooks, the working mode is relatively simple, and only one set of objects can be lifted at a time, and the efficiency Lower, for large quantities of goods, the problem of slower work speed.

(2) Technical solutions

The utility model is realized through the following technical solutions: the utility model proposes a crawler crane portal frame, which includes a crawler bed, a portal frame and a portal frame two, wherein a rotating shaft is embedded in a side wall of the crawler bed, There are two rotating shafts, one side of the rotating shaft is rotatably connected to the first portal frame through a bearing, and the other side of the rotating shaft is rotatably connected to the second portal frame through a bearing.

By adopting the above technical solution, the first portal frame and the second portal frame can both adjust the inclination angle on the crawler bed through the rotating shaft, and the first portal frame and the second portal frame are double stations Operating mode.

Further, the top of the crawler bed is welded with uprights, there are two groups of the uprights, and the top of the uprights is rotatably connected with a pulley through a bearing.

By adopting the above technical solution, the vertical column is used to fix and support the hoisting line of the equipment.

Further, one side of the top of the crawler bed close to the column is fixed with a hoisting drum 1 through a slot, and the other side of the top of the crawler bed close to the column is fixed with a hoist drum 2 through a slot, and the hoist is Both the first drum and the second hoisting drum are wound with suspending ropes.

By adopting the above technical solution, the hoisting drum 1 and the hoisting drum 2 are controlled by the same motor to realize synchronous hoisting operation

Further, a second pulley is rotatably connected to the top of the first portal frame and the second portal frame, and the hanging rope is nested on the first pulley and the second pulley.

Further, a wire take-up is nested on the hanging rope, and a hook is slidably connected to one end of the hanging rope.

By adopting the above technical solution, the suspending rope is a metal steel bar, and the wire take-up device is used to limit the position of the suspending rope to avoid knotting of the suspending rope.

Further, a fixing block is welded on the top of the crawler bed close to the hoisting drum 1 and the hoisting drum 2, and a hydraulic rod is rotatably connected to the side wall of the fixing block, and the hydraulic rod is connected with the hoisting drum. The first portal frame and the second portal frame are connected by bolts.

By adopting the above technical solution, the fixing block is used to fix and support the hydraulic rod, and the hydraulic rod can drag the gantry 1 and gantry 2 to rotate along the rotating shaft, and adjust the gantry 1 and gantry 2 to rotate along the shaft. Two inclinations of the portal frame.

(3) Beneficial effects

Compared with the prior art, the utility model has the following beneficial effects:

In order to solve the problem that the gantry of the existing crawler crane has only one set of hooks, the working mode is relatively simple, only one set of objects can be lifted at a time, and the efficiency is low. By arranging the first portal frame and the second portal frame, the utility model enables the device to simultaneously perform the lifting operation of the double hooks, greatly improving the work efficiency and facilitating the rapid completion of large-scale lifting tasks.

Description of drawings

Fig. 1 is the structural representation of a kind of crawler crane portal frame according to the present utility model;

2 is a schematic diagram of the positional relationship between a crawler bed and a rotating shaft in a crawler crane portal frame according to the present invention;

Figure 3 is a left side view of a crawler crane portal frame according to the present invention.

The reference numerals are explained as follows:

1. Crawler bed; 2. Portal frame 1; 3. Portal frame 2; 4. Hook; 5. Upright column; 6. Hoisting drum 1; 7. Hoisting drum 2; Two; 10, hanging rope; 11, hydraulic rod; 12, fixed block; 13, shaft; 14, wire take-up.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to 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 intended to limit the present invention.

As shown in Figures 1-3, a crawler crane portal frame in this embodiment includes a crawler bed 1, a portal frame 2 and a portal frame 2 3. A side wall of the crawler bed 1 is embedded with a Rotating shaft 13, there are two rotating shafts 13, one side of the rotating shaft 13 is connected with a portal frame 1 2 through a bearing, and the other side of the rotating shaft 13 is connected with a portal frame 2 3 through a bearing rotation, a portal frame 1 2 and a portal frame 2 3 The inclination angle can be adjusted on the crawler bed 1 through the rotating shaft 13, and the portal frame 1 2 and the portal frame 2 3 are in double-station working mode.

The top of the crawler bed 1 is welded with a column 5, and there are two groups of columns 5. The top of the column 5 is rotatably connected with a pulley 8 through a bearing. The column 5 is used to fix and support the hoisting line of the equipment.

One side of the top of the crawler bed 1 close to the column 5 is fixed with a hoisting drum 1 6 through a slot, and the other side of the top of the crawler bed 1 near the column 5 is fixed with a hoisting drum 2 7, a hoisting drum 1 6 and a hoisting drum. The second 7 is wound with a suspending rope 10, and the first hoisting drum 6 and the second hoisting drum 7 are controlled by the same motor to realize the synchronous lifting operation.

Two pulleys 9 are rotatably connected to the tops of the first portal frame 2 and the second portal frame 3. The hanging rope 10 is nested on the first pulley 8 and the second pulley 9. The hanging rope 10 is a metal steel bar.

A wire take-up 14 is nested on the hanging rope 10 , and one end of the hanging rope 10 is slidably connected with a hook 4 .

A fixed block 12 is welded on the top of the crawler bed 1 near the hoisting drum 1 6 and the hoisting drum 2 7. A hydraulic rod 11 is rotatably connected to a side wall of the fixing block 12. The hydraulic rod 11 is connected to the portal frame 1 2 and the door. The frames 2 and 3 are connected by bolts, and the fixing block 12 is used to fix and support the hydraulic rod 11. The hydraulic rod 11 can drag the portal frame 1 2 and the portal frame 2 3 to rotate along the rotating shaft 13, and adjust the portal frame 1 2 and the portal frame 2. Gantry two 3 inclination.

The specific implementation process of this embodiment is as follows: first, the crawler bed 1 is installed on the crawler moving mechanism, and the first hoisting drum 6 and the second hoisting drum 7 are connected to the motor output end of the crawler machine, and the device can be used normally, The user controls the hoisting drum 1 6 and the hoisting drum 2 7 to work through the operating lever in the control room, the suspending rope 10 slides under the support of the pulley 1 8 and the pulley 2 9, and drives the hook 4 to rise or fall to lift the objects. The two sets of hooks 4 on the frame 1 2 and the portal frame 2 3 can realize the device to lift two sets of objects at the same time, which greatly improves the efficiency of lifting work, is conducive to the rapid completion of large-scale lifting tasks, and saves money. Human and material resources are invested in time, thereby saving costs.

The above-mentioned embodiments merely describe the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention. Under the premise of not departing from the design concept of the present invention, various modifications and improvements made by ordinary persons in the art to the technical solutions of the present invention shall fall within the protection scope of the present invention. The content has been fully described in the claims.

Claims (6)

1. A gantry of a crawler crane, comprising: including track bed (1), door type frame one (2) and door type frame two (3), it has pivot (13) to embed on track bed (1) a lateral wall, pivot (13) have two, pivot (13) one side is rotated through the bearing and is connected with door type frame one (2), pivot (13) opposite side is rotated through the bearing and is connected with door type frame two (3).

2. A crawler crane gantry according to claim 1, wherein: the top welding of track bed (1) has stand (5), stand (5) have two sets ofly, stand (5) top is rotated through the bearing and is moved and be connected with pulley (8).

3. A crawler crane gantry according to claim 2, wherein: the top of the crawler bed (1) is close to one side of the upright post (5) and is fixedly provided with a first hoisting drum (6) through a clamping groove, the top of the crawler bed (1) is close to the other side of the upright post (5) and is fixedly provided with a second hoisting drum (7) through a clamping groove, and hoisting ropes (10) are wound on the first hoisting drum (6) and the second hoisting drum (7).

4. A crawler crane gantry according to claim 3, wherein: the top parts of the first door-shaped frame (2) and the second door-shaped frame (3) are rotatably connected with a second pulley (9), and the lifting rope (10) is nested on the first pulley (8) and the second pulley (9).

5. A crawler crane gantry according to claim 4, wherein: a wire winding device (14) is nested on the lifting rope (10), and one end of the lifting rope (10) is connected with a lifting hook (4) in a sliding mode.

6. A crawler crane gantry according to claim 5, wherein: the top of the crawler bed (1) is close to the first hoisting cylinder (6) and one side of the second hoisting cylinder (7) is welded with a fixing block (12), a hydraulic rod (11) is rotatably connected to one side wall of the fixing block (12), and the hydraulic rod (11) is connected with the first portal frame (2) and the second portal frame (3) through bolts.

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