Door-shaped hoisting device for pipeline installation

Abstract

The utility model discloses a door type hoisting device for pipeline installation, which comprises a support, a plurality of supporting legs are arranged on the support, each supporting leg comprises two stand columns and a first cross beam fixed on the stand columns, the first cross beam is detachably connected with a bearing seat, a conveying rod is rotatably arranged on the bearing seat, and the conveying rod is connected with the stand columns. A door-shaped frame is detachably connected to the supporting legs, a hanging point is arranged on the door-shaped frame, a hoisting mechanism is arranged on the hanging point, and the hoisting mechanism is located above the conveying rod. Compared with the prior art, the hoisting mechanism pulls the pipeline to move on the conveying rods, the conveying rods rotate to assist pipeline transportation, and the structural design facilitates movement of the pipeline on the support. After welding is completed, the hoisting mechanism lifts the pipeline, then the bearing seat is detached, the pipeline falls on the support again, and finally the door-shaped frame is detached. The roof pipeline transporting and installing device is simple in structure, pipelines can be transported and installed on a roof conveniently, and then the hoisting cost can be reduced due to the detachable arrangement.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline installation, in particular to a gantry hoisting device for pipeline installation. Background Art

[0002] With the continuous improvement of China's economy, it has driven the rapid development of the petrochemical production industry, and at the same time, it has also led to the prosperity of pipeline transportation and installation technology. To improve the installation efficiency, cranes are usually used for installation. However, when transporting and installing pipelines on the roof, due to the inconvenience of crane transfer, a gantry hoisting device is used. The patent with the publication number of CN220845153U discloses a high-efficiency pipeline welding combination device, which includes a lifting part and a supporting part. The lifting part includes a gantry bracket, on which a driving motor and two fixed pulleys are installed. The steel wire rope on the driving motor sequentially bypasses the first fixed pulley and the second fixed pulley and then hangs between the gantry brackets. The end of the steel wire rope is connected with a hook; the supporting part includes a foot seat, on which two pairs of supporting rod pairs arranged at intervals left and right are vertically fixed. Each pair of supporting rod pairs includes two supporting rods arranged at intervals front and back, and a horizontally arranged rolling bearing is rotatably installed between the two supporting rods. This high-efficiency pipeline welding combination device improves the efficiency of welding operations and greatly shortens the construction period. However, in this test device, due to the lack of the assistance of a crane, the transportation of large pipelines on the roof is relatively difficult. Content of the Utility Model

[0003] The utility model provides a gantry hoisting device for pipeline installation to solve the problem that the current gantry hoisting device is difficult to transport pipelines in areas where cranes are inconvenient for construction.

[0004] The utility model provides a gantry hoisting device for pipeline installation, which includes a bracket. A plurality of legs are provided on the bracket. The legs include two columns and a first cross beam fixed on the columns. A bearing seat is detachably connected to the first cross beam. A conveying rod is rotatably arranged on the bearing seat. A gantry frame is detachably connected to the legs. Hanging points are provided on the gantry frame, and a hoisting mechanism is provided on the hanging points. The hoisting mechanism is located above the conveying rod.

[0005] Preferably, the gantry frames are distributed at intervals on the legs.

[0006] Preferably, the first cross beam is an I-beam.

[0007] Preferably, it further includes a clamping plate. The clamping plate and the bearing seat are respectively arranged on the upper and lower sides of the steel plate at the upper end of the first cross beam. Bolts pass through the bearing seat and the clamping plate and are threadedly connected with nuts.

[0008] Preferably, a spring washer is provided between the nut and the clamping plate.

[0009] Preferably, the hoisting mechanism is a manual hoist or an electric hoist.

[0010] Preferably, an inclined rod is fixed to the lower end of the gantry, and the inclined rod is fixedly connected to the bracket.

[0011] Preferably, a second cross beam is further included, and the bottom of the second cross beam is fixed to the bracket.

[0012] Preferably, the bracket includes a cross bar passing through the column, a reinforcing bar is fixed between the cross bars, and the reinforcing bar is arranged between two legs.

[0013] Preferably, the gantry, the column, the cross bar and the reinforcing bar are all channel steels.

[0014] Compared with the prior art, in the present utility model, the hoisting mechanism pulls the pipeline to move on the conveying rod, and multiple conveying rods rotate to assist the pipeline transportation. This structural design facilitates the movement of the pipeline on the bracket. After the pipeline is transported in place, welding is carried out. After the welding is completed, the hoisting mechanism lifts the pipeline, then the bearing seat is removed, the pipeline falls back on the bracket again, and finally the gantry is disassembled. The structure of the present utility model is simple, which is convenient for transporting and installing pipelines on the roof. Secondly, the detachable setting helps to reduce the hoisting cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative efforts.

[0016] Figure 1 is a schematic structural view of the present utility model;

[0017] Figure 2 is a front view of the present utility model;

[0018] Figure 3 is a schematic structural view of the present utility model when transporting the pipeline;

[0019] Figure 4 is Figure 1 an enlarged schematic view of the structure at A in

[0020] Reference numerals:

[0021] 1. Bracket, 11. Leg, 12. Cross bar, 13. Reinforcing bar, 111. Column, 112. First cross beam, 113. Second cross beam, 2. Bearing seat, 3. Conveying rod, 4. Gantry, 41. Inclined rod, 42. Hanging point, 5. Clamping plate, 6. Bolt, 7. Nut, 8. Pipeline. Detailed implementation mode

[0022] To make the objectives, technical solutions and advantages of the present utility model clearer, the technical solutions in the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the protection scope of the present utility model.

[0023] Referring to the attached Figure 1 and the attached Figure 2 , the present utility model provides a gantry hoisting device for pipeline installation, including a bracket 1. A plurality of legs 11 are provided on the bracket 1, and the legs 11 are fixed on the ground. The legs 11 include two columns 111 and a first cross beam 112 fixed on the columns 111. A bearing seat 2 is detachably connected to the first cross beam 112. A conveying rod 3 is rotatably arranged on the bearing seat 2. A bearing seat 2 is distributed at both ends of the conveying rod 3. A gantry 4 is detachably connected to the legs 11. A hanging point 42 is provided on the gantry 4, and a hoisting mechanism is provided on the hanging point 42. The hoisting mechanism swings on the hanging point 42 so as to pull the pipeline 8. The hoisting mechanism is located above the conveying rod 3, and the conveying rod 3 and the bearing seat 2 constitute a conveying mechanism. In the present utility model, the pipeline 8 is hoisted on the roof by a crane, and then the pipeline 8 is transported to the bracket 1 through the cooperation of the hoisting mechanism and the conveying rod 3. Specifically, referring to the attached Figure 3 , the hoisting mechanism pulls the pipeline 8 onto the bracket 1, and then the pipeline 8 moves forward along the conveying rod 3. During this process, a plurality of conveying rods 3 rotate to assist in the transportation of the pipeline 8. When the pipeline 8 is transported in place, welding is carried out. After welding is completed, the hoisting mechanism hoists the pipeline 8, and then the conveying mechanism is disassembled. The hoisting mechanism places the pipeline 8 on the first cross beam 112, and the pipeline 8 is fixed on the first cross beam 112 through a hoop to complete the installation. The overall structure of the present utility model is simple. The cooperation of a plurality of conveying mechanisms and a plurality of hoisting mechanisms can conveniently transport the pipeline 8 to the bracket 1. After the pipeline 8 is installed, the conveying mechanism is disassembled through the hoisting mechanism, and finally the gantry 4 is disassembled. This structural design is conducive to reducing costs.

[0024] As another implementation mode of the present utility model: The gantries 4 are distributed at intervals on the legs 11, and this setting can reduce the setting of the gantries 4 and the hoisting mechanism.

[0025] As another implementation mode of the present utility model: The first cross beam 112 is an I-beam, and the I-beam is welded and fixed to the column 111. 0]

[0026] As another implementation mode of the present utility model: Referring to the attached Figure 4, this embodiment further includes a clamping plate 5. The clamping plate 5 and the bearing seat 2 are respectively arranged on the upper and lower sides of the steel plate at the upper end of the first cross beam 112. The bolt 6 passes through the bearing seat 2 and the clamping plate 5 and is threadedly connected with the nut 7, thereby fixing the bearing seat 2 on the first cross beam 112. This structural design facilitates the installation and disassembly of the bearing seat 2.

[0027] Specifically, a spring washer is provided between the nut 7 and the clamping plate 5, and a spring washer is also provided between the head of the bolt 6 and the first cross beam 112.

[0028] An implementation mode of the hoisting mechanism: The hoisting mechanism is a manual hoist or an electric hoist. In this embodiment, the hoisting mechanism is a manual hoist. The pipeline 8 is tied up with the manual hoist, and the pipeline 8 is hoisted and pulled to the support 1 through the conveying rod 3.

[0029] As another implementation mode of the present utility model: A diagonal rod 41 is fixed at the lower end of the gantry 4, and the diagonal rod 41 is fixedly connected with the support 1. This structural design is beneficial to strengthening the firmness between the gantry 4 and the support 1.

[0030] As another implementation mode of the present utility model: This embodiment further includes a second cross beam 113. The bottom of the second cross beam 113 is fixed on the support 1. The second cross beam 113 divides the support 1 into upper and lower layers, so that two layers of pipelines 8 can be installed. This structural design is beneficial to increasing the installation quantity of the pipelines 8.

[0031] As another implementation mode of the present utility model: The support 1 includes a cross bar 12 passing through the column 111. The column 111 and the cross bar 12 are fixedly welded. A reinforcing bar 13 is fixed between the cross bars 12. The reinforcing bar 13 is arranged between the two legs 11. This structural design is beneficial to improving the structural strength of the support 1. Specifically, the vertical rod of the gantry 4 is welded on the second cross beam 113, and the diagonal rod 41 is fixed on the cross bar 12.

[0032] As another implementation mode of the present utility model: The gantry 4, the column 111, the cross bar 12 and the reinforcing bar 13 are all channel steels. The gantry 4 is formed by welding multiple channel steels, and the cross bar 12 and the reinforcing bar 13 are fixedly connected by welding.

[0033] An implementation mode of fixing the leg 11 on the ground: A bottom plate is fixed at the bottom of the column 111, and the bottom plate is fixed on the roof through the bolt 6.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A portal hoisting device for pipeline installation, characterized in that, It includes a bracket, on which there are multiple legs. The leg includes two columns and a first cross beam fixed on the columns. A bearing seat is detachably connected to the first cross beam, and a conveying rod is rotatably arranged on the bearing seat. A portal frame is detachably connected to the leg. There is a hanging point on the portal frame, and a hoisting mechanism is arranged on the hanging point. The hoisting mechanism is located above the conveying rod.

2. The gantry hoisting device for pipeline installation according to claim 1, characterized in that, The portal frames are spaced apart on the legs.

3. The gantry hoisting device for pipeline installation according to claim 2, characterized in that, The first cross beam is an I-beam.

4. The gantry hoisting device for pipeline installation according to claim 3, characterized in that, It further includes a clamping plate. The clamping plate and the bearing seat are respectively arranged on the upper and lower sides of the steel plate at the upper end of the first cross beam. Bolts pass through the bearing seat and the clamping plate and are threadedly connected with nuts.

5. The gantry lifting device for pipeline installation according to claim 4, characterized in that, A spring washer is arranged between the nut and the clamping plate.

6. The gantry hoisting device for pipeline installation according to claim 1, wherein The hoisting mechanism is a manual hoist or an electric hoist.

7. The gantry hoisting device for pipeline installation according to claim 1, characterized in that, An inclined rod is fixed at the lower end of the portal frame, and the inclined rod is fixedly connected to the bracket.

8. The gantry lifting device for pipeline installation according to claim 7, wherein It further includes a second cross beam, and the bottom of the second cross beam is fixed on the bracket.

9. The gantry lifting device for pipeline installation according to claim 8, wherein, The bracket includes a cross bar passing through the columns, and a reinforcing bar is fixed between the cross bars. The reinforcing bar is arranged between two legs.

10. The gantry hoisting device for pipeline installation according to claim 9, characterized in that, The portal frame, the columns, the cross bar and the reinforcing bar are all channel steels.

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