Pipeline lifting device

Abstract

The utility model relates to the technical field of building construction, in particular to a pipeline lifting device which comprises a base, a winch and a supporting rod are arranged on the base, a fixed pulley is arranged on the supporting rod, a rope pulled out by the winch bypasses the fixed pulley from the upper side of the fixed pulley, and a tray used for containing a pipeline is arranged at the tail end of the rope. A guide mechanism for guiding the tray to stably ascend is arranged on the lower side of the tray; and by arranging the guide mechanism, the tray ascends stably, so that the pipeline is prevented from shaking in the hoisting process, the stability of the pipeline during hoisting is ensured, and the hoisting quality and the construction safety are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a pipeline lifting device. Background Art

[0002] In existing construction, the installation of large pipe shaft pipelines usually faces the problems of large pipeline volume, high installation floor height, and inconvenient transportation. In traditional construction, for the transportation of pipelines, a construction method of setting up mobile scaffolding and manual pulling or renting a lifting vehicle and manual handling is usually adopted. The traditional construction method has the following problems: 1. The mobile scaffolding needs to be moved with the construction location, and the pipeline needs to be transferred from bottom to top manually. A large number of construction personnel are required, and the workload of construction personnel is large, which increases labor costs and there is a risk of pipelines injuring construction personnel; 2. Although renting a lifting vehicle effectively reduces labor costs and construction risks, it faces the problem of high rental costs, and the pipeline needs to be installed floor by floor, and it is necessary to wait for the main construction of each floor to be completed. The lifting vehicle is idle for a long time, which adds additional rental costs.

[0003] The existing authorization announcement number CN207774651U is a pipeline lifting tool, comprising: a base, on which a winch is provided; a telescopic arm is hinged on the base, and a fixed pulley is provided on the top of the telescopic arm, and the rope pulled by the winch passes around the fixed pulley along the telescopic arm; a support arm is hinged between the base and the telescopic arm with oblique support; a pipeline lifting ring is provided at the end of the rope; the tool is used to convert the manual pulling of the pipeline during transportation into mechanical operation, which effectively saves labor and reduces construction costs; the applicant found in the process of using the existing technology that there are the following problems in the pipeline lifting process: due to the long length and heavy volume of the pipeline, it is easy to shake during the lifting process, and the pipeline is easy to hit the main structure during the shaking process, causing damage to the appearance quality of the main structure or deformation of the pipeline, and it is also easy to injure the construction personnel on the lower side. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a pipeline lifting device capable of stably transporting pipelines.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A pipeline lifting device comprises a base, on which a winch and a support rod are provided, on which a fixed pulley is provided, a rope pulled by the winch passes around the fixed pulley from the upper side, a tray for holding the pipeline is provided at the end of the rope, and a guide mechanism for guiding the tray to rise stably is provided at the lower side of the tray.

[0007] Compared with the prior art, the utility model adopting the above technical solution has the following outstanding features:

[0008] By setting up a guide mechanism, the pallet can rise smoothly, avoiding shaking during pipeline lifting, ensuring the stability of the pipeline during lifting, and improving the lifting quality and construction safety.

[0009] As a preferred embodiment, a further technical solution of the utility model is:

[0010] Preferably, a first connecting ear is provided at each of the four corners of the pallet, and the guiding mechanism comprises four telescopic rods provided at the lower sides of the four first connecting ears, the lower ends of the telescopic rods are connected to the base, and the upper ends are provided with second connecting ears, the first connecting ear is fitted with the second connecting ear and fixed by connecting bolts and connecting nuts, and the four telescopic rods are synchronously extended and retracted as the pallet rises and falls; the structure is simple and the manufacturing cost is low, and a stable attachment is provided for the lifting and lowering of the pallet, making the lifting and lowering of the pallet more stable and preventing the pallet from swinging left and right or up and down.

[0011] Preferably, the telescopic rod is composed of a plurality of sleeves whose diameters decrease successively from the outside to the inside, the lower end of the outermost sleeve is fixedly mounted on the base, and the upper end of the innermost sleeve is provided with a second connecting ear; a limit card is provided between two adjacent layers of sleeves, the limit card includes an inner ring plate provided on the inner wall of the upper end of the outer sleeve and an outer ring plate provided on the outer wall of the lower end of the inner sleeve; the limit card plays a limiting role to avoid disconnection between the sleeves.

[0012] Preferably, sliders are provided at the four corners of the pallet, and the guiding mechanism includes four channel steel slide rails corresponding to the four sliders. The sliders are slidably connected in the slide grooves of the channel steel slide rails. The channel steel slide rails are vertically arranged and the lower ends are connected to the base. X-shaped reinforcement ribs are connected between the four channel steel slide rails. The channel steel slide rails can directly use U-shaped channel steels without the need for processing, and on-site production is simple and convenient.

[0013] Preferably, a V-shaped groove is provided on the pallet, horizontal side wings are provided on both sides of the V-shaped groove, a hook is provided at the end of the rope, two handles are hooked on the hook, and the two handles are respectively connected to the two horizontal side wings; this facilitates the connection between the pallet and the guide mechanism, and the V-shaped groove can be suitable for pipes of different diameters, thereby preventing the pipes from rolling horizontally and improving operation safety.

[0014] Preferably, the support rod includes a lower support rod and an upper support rod, the lower end of the lower support rod is welded and fixed to the base, the lower support rod is provided with an adjustment hole, the adjustment hole is provided with an adjustment screw, the lower part of the upper support rod is inserted into the lower support rod, the end of the adjusting screw is tightly against the part of the upper support rod inserted into the lower support rod and is locked and fixed by an adjusting nut; a cantilever plate is provided at the upper end of the upper support rod, and an oblique support rod is further installed between the upper support rod and the cantilever plate, and a group of mounting plates are provided on the cantilever plate, a group of two, and a wheel axle for installing a fixed pulley is provided between the two mounting plates; the structure is simple and the height is adjustable.

[0015] Preferably, wheels are installed at the four corners of the base, and a handle is also provided on the base; this facilitates pushing the pipeline lifting device to move with the construction location. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a pipeline lifting device in an embodiment of the utility model;

[0017] Figure 2 It is a side view structural diagram of the pipeline lifting device in the embodiment of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the telescopic rod in the embodiment of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of another pipeline lifting device in an embodiment of the utility model;

[0020] Figure 5 It is a schematic diagram of the connection structure between the slider and the channel steel slide rail in the embodiment of the utility model.

[0021] Explanation of the reference numerals in the accompanying drawings: 1. base; 2. winch; 3. support rod; 301. lower support rod; 302. upper support rod; 303. cantilever plate; 304. diagonal support rod; 4. rope; 5. fixed pulley; 6. tray; 601. V-shaped groove; 602. horizontal side wing; 7. telescopic rod; 8. channel steel slide rail; 801. slide groove; 9. wheel; 10. handle; 11. hook; 12. handle; 13. first connecting ear; 14. connecting bolt; 15. reinforcing rib; 16. pipe; 17. slider. DETAILED DESCRIPTION

[0022] The present invention is further described below in conjunction with specific embodiments, the purpose of which is only to provide a better understanding of the content of the present invention. Therefore, the examples given do not limit the protection scope of the present invention.

[0023] Embodiment 1, as Figure 1The present embodiment provides a pipeline lifting device, including a base 1, on which a winch 2 and a support rod 3 are provided, on which a fixed pulley 5 is provided, and a rope 4 pulled out by the winch 2 passes over the fixed pulley 5 from the upper side of the fixed pulley 5, and a tray 6 for holding a pipeline 16 is provided at the end of the rope 4, and a guide mechanism for guiding the tray 6 to rise stably is provided at the lower side of the tray 6. Among them, the base 1 is made of 25# U-shaped channel steel by welding, including two outer rods arranged in parallel, and four support channel steels are welded between the two outer rods, two support channel steels are used to fix the support rod 3, and two support channel steels are used to install the winch 2; wheels 9 are installed at the four corners of the base 1, and a handle 10 is also provided on the base 1, and the handle 10 is made of a galvanized steel pipe of Ø32; the support rod 3 is a telescopic structure, including a lower support rod 301 and an upper support rod 302, and the lower end of the lower support rod 301 is welded and fixed to the base 1, and the lower support rod 301 is provided with a plurality of groups of adjustable There are two node holes in each group and they are symmetrically arranged. An adjusting screw is inserted into the adjusting hole. The lower part of the upper support rod 302 is inserted into the lower support rod 301. The end of the adjusting screw is tightly against the part of the upper support rod 302 inserted into the lower support rod 301 and is locked and fixed by an adjusting nut. A lifting plate 303 is arranged at the upper end of the upper support rod 302, and an oblique support rod 304 is further installed between the upper support rod 302 and the lifting plate 303. A group of mounting plates are arranged on the lifting plate 303, a group of two, and a wheel axle for mounting a fixed pulley 5 is arranged between the two mounting plates, and the fixed pulley 5 is rotatably mounted on the wheel axle. The structure is simple and the height is adjustable.

[0024] Embodiment 2: This embodiment discloses a specific structure of the guide mechanism in embodiment 1, such as Figure 1 , Figure 2 As shown, the four corners of the tray 6 are provided with a first connecting ear 13, the first connecting ear 13 is vertically arranged, and a first ear hole is arranged on the first connecting ear 13; the guiding mechanism includes four telescopic rods 7 arranged on the lower side of the four first connecting ears 13, the lower end of the telescopic rod 7 is connected to the base 1, and a second connecting ear is arranged on the upper end, and a second ear hole is arranged on the second connecting ear, the first connecting ear 13 is fitted with the second connecting ear and the first ear hole is opposite to the second ear hole, a connecting bolt 14 is passed through the first ear hole and the second ear hole, and a connecting nut is threadedly connected to the connecting bolt 14 to lock and fix the first connecting ear 13 and the second connecting ear. When the winch 2 retracts and releases the rope 4, the four telescopic rods 7 are synchronously extended and retracted with the rise and fall of the tray 6; specifically, as Figure 3The telescopic rod 7 is composed of a plurality of sleeves with decreasing diameters from the outside to the inside. The lower end of the outermost sleeve is fixedly mounted on the base 1, and the upper end of the innermost sleeve is provided with a second connecting ear. A limit card is provided between two adjacent sleeves, and the limit card includes an inner ring plate provided on the inner wall of the upper end of the outer sleeve in the two adjacent sleeves and an outer ring plate provided on the outer wall of the lower end of the inner sleeve in the two adjacent sleeves. When the telescopic rod 7 is extended, when the inner sleeve is about to completely extend out of the outer sleeve, the outer ring plate on the inner sleeve is blocked by the inner ring plate in the outer sleeve, thereby preventing the inner sleeve from falling out.

[0025] Embodiment three, as Figure 4 , Figure 5 As shown, this embodiment provides another structure of the guide mechanism; sliders 17 are provided at the four corners of the tray 6, and the guide mechanism includes four channel steel slide rails 8 provided corresponding to the four sliders 17, the sliders 17 are slidably connected in the slide grooves 801 of the channel steel slide rails 8, the channel steel slide rails 8 are vertically provided and the lower ends are connected to the base 1; X-shaped reinforcement ribs 15 are connected between the four channel steel slide rails 8; in this embodiment, the channel steel slide rails 8 can directly use U-shaped channel steels without processing; the sliders 17 can use either steel blocks or pulleys.

[0026] The tray 6 is provided with a groove for holding the pipe 16, and the groove may be an arc-shaped groove or a V-shaped groove 601V adapted to the size of the pipe 16; Embodiment 4, this embodiment provides a tray 6 structure that is more stable during lifting, specifically, as Figure 2 As shown, a V-shaped groove 601V is provided on the tray 6, and horizontal side wings 602 are provided on both sides of the V-shaped groove 601V. A hook 11 is provided at the end of the rope 4, and two handles 12 are hooked on the hook 11, and the two handles 12 are respectively connected to the two horizontal side wings 602; compared with the arc-shaped groove, the V-shaped groove 601V can be suitable for pipes 16 of different diameters, which plays a role in preventing the pipes 16 from rolling horizontally, thereby improving the safety of operation.

[0027] In the present application, a guide mechanism is provided to ensure that the tray 6 rises smoothly, thereby preventing the pipe 16 from shaking during lifting, ensuring the stability of the pipe 16 during lifting, and improving the lifting quality and construction safety.

[0028] The above description is only a preferred feasible embodiment of the present utility model, and does not limit the scope of rights of the present utility model. All equivalent changes made using the contents of the present utility model specification and its drawings are included in the scope of rights of the present utility model.

Claims

1. A pipeline lifting device, comprising a base, a winch and a support rod are arranged on the base, a fixed pulley is arranged on the support rod, and a rope pulled by the winch passes around the fixed pulley from the upper side of the fixed pulley, characterized in that: A tray for holding pipes is provided at the end of the rope, and a guide mechanism for guiding the tray to rise stably is provided on the lower side of the tray; first connecting ears are provided at the four corners of the tray, and the guide mechanism includes four telescopic rods provided on the lower sides of the four first connecting ears, the lower ends of the telescopic rods are connected to the base, and the upper ends are provided with second connecting ears, the first connecting ears are fitted with the second connecting ears and are fixed by connecting bolts and connecting nuts, and the four telescopic rods are telescoped synchronously with the rise and fall of the tray.

2. The pipeline lifting device according to claim 1, characterized in that: The telescopic rod is composed of a plurality of sleeves with decreasing diameters from the outside to the inside. The lower end of the outermost sleeve is fixedly mounted on the base, and the upper end of the innermost sleeve is provided with a second connecting ear. A limit card is provided between two adjacent sleeves, and the limit card includes an inner ring plate provided on the inner wall of the upper end of the outer sleeve and an outer ring plate provided on the outer wall of the lower end of the inner sleeve.

3. The pipeline lifting device according to claim 1, characterized in that: Slide blocks are provided at the four corners of the tray. The guide mechanism includes four channel steel slide rails corresponding to the four slide blocks. The slide blocks are slidably connected in the slide grooves of the channel steel slide rails. The channel steel slide rails are vertically arranged and the lower ends are connected to the base. X-shaped reinforcement ribs are connected between the four channel steel slide rails.

4. The pipeline lifting device according to claim 1, characterized in that: A V-shaped groove is arranged on the tray, and horizontal side wings are arranged on both sides of the V-shaped groove. A hook is arranged at the end of the rope, and two handles are hung on the hook, and the two handles are respectively connected with the two horizontal side wings.

5. The pipeline lifting device according to claim 1, characterized in that: The support rod includes a lower support rod and an upper support rod. The lower end of the lower support rod is welded and fixed to the base. An adjustment hole is provided on the lower support rod, and an adjustment screw is provided on the adjustment hole. The lower part of the upper support rod is inserted into the lower support rod, and the end of the adjusting screw is tightly against the part of the upper support rod inserted into the lower support rod and is locked and fixed by an adjusting nut; a cantilever plate is provided at the upper end of the upper support rod, and an oblique support rod is further installed between the upper support rod and the cantilever plate. A group of mounting plates are provided on the cantilever plate, a group of two, and a wheel axle for installing a fixed pulley is provided between the two mounting plates.

6. The pipeline lifting device according to claim 1, characterized in that: Wheels are installed at the four corners of the base, and a handle is also arranged on the base.

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