Cast iron pipeline hoisting device

Abstract

The utility model provides a cast iron pipeline hoisting device which comprises a frame, a lifting ring and a lifting rod, the two ends of each steel wire rope are detachably connected with the frame, the number of the steel wire ropes is two, the steel wire ropes are located at the two ends of the frame respectively, and rubber sleeves are arranged on the outer sides of the steel wire ropes; the pressing plate is movably connected to the frame, and the pressing plate is located between the two steel wire ropes. The cast iron pipeline hoisting device has the beneficial effects that the rubber sleeve on the outer side of the steel wire rope can scratch the outer side wall of the cast iron pipeline, and the cast iron pipeline is pressed by the pressing plate, so that the stability in the hoisting process is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of water conservancy construction, in particular to a cast iron pipeline hoisting device. Background Art

[0002] During the construction of water conservancy projects, it is often necessary to use vehicles to lift cast iron pipes. The current lifting method of cast iron pipes uses a steel wire rope that passes through the bottom of the cast iron pipe and is connected to the hook of the crane. This lifting method has the following problems during use: First, the steel wire rope can easily scratch the anti-rust coating on the outer wall of the cast iron pipe, causing serious rust during the use of the cast iron pipe; second, the cast iron pipe is prone to shaking during the lifting process, resulting in poor stability of the lifting process, affecting the safety of the construction process. Utility Model Content

[0003] In view of this, the present invention aims to provide a cast iron pipe lifting device, in order to solve at least one of the above-mentioned technical problems.

[0004] In order to achieve the above-mentioned purpose, the technical solution of the utility model is achieved as follows:

[0005] A cast iron pipe hoisting device, comprising:

[0006] A frame, wherein a lifting ring is fixedly provided on the upper end of the frame;

[0007] Steel wire rope, both ends of the steel wire rope are detachably connected to the frame, the number of steel wire ropes is two, one at each end of the frame, and a rubber sleeve is provided on the outside of the steel wire rope;

[0008] A pressure plate is movably connected to the frame and is located between the two steel ropes.

[0009] Furthermore, a V-shaped groove is formed at the lower end of the pressing plate;

[0010] A guide post is fixed on the upper end of the pressing plate, a guide hole matching the guide post is opened on the frame, and the guide post is located inside the guide hole;

[0011] A limiting plate is fixedly provided on the upper end of the guide column, and the diameter of the limiting plate is larger than the diameter of the guide column.

[0012] Furthermore, the frame is fixed with an internal threaded tube corresponding to the upper end surface of the pressure plate, and a tightening screw is provided in the internal threaded tube. The tightening screw is threadedly connected to the inner side of the internal threaded tube, and the lower end of the tightening screw presses the upper end surface of the pressure plate.

[0013] Furthermore, a rubber pad is provided on the inner side of the V-shaped groove;

[0014] The upper end of the screw rod is provided with an inserting hole.

[0015] Furthermore, both ends of the steel wire rope are fixed with plug posts, and the plug posts are provided with a limiting hole;

[0016] The plug column is a square column;

[0017] The frame is fixed with a receiving tube corresponding to the plug column, and the side wall of the receiving tube is provided with a second limiting hole corresponding to the first limiting hole;

[0018] The receiving pipe column is a square pipe;

[0019] The hoisting device further includes a latch, which passes through the first limiting hole and the second limiting hole in sequence.

[0020] Furthermore, a limiting boss is fixed on the side wall of one end of the plug post adjacent to the wire rope;

[0021] The edge of the end of the column away from the wire rope adopts a chamfered structure.

[0022] Furthermore, a mounting tube corresponding to the second limiting hole is fixedly provided on the side wall of the receiving tube, an annular boss is fixedly provided on the outer side wall of the latch, the diameter of the latch matches the diameter of the second limiting hole, the annular boss is installed on the inner side of the mounting tube, and a baffle is fixedly provided on the end of the mounting tube away from the receiving tube, a through hole matching the latch is opened on the baffle, the latch is located on the inner side of the through hole, and a compression spring is provided between the annular boss and the baffle.

[0023] Furthermore, a handle is fixedly provided on one end of the latch away from the receiving tube;

[0024] The edge of one end of the latch adjacent to the receiving pipe adopts a chamfered structure.

[0025] Furthermore, there are multiple receiving tubes, which are evenly arranged along the width direction of the frame. The multiple receiving tubes form a receiving group, and each plug post is provided with a corresponding receiving group.

[0026] Furthermore, the number of the hanging rings is three or more.

[0027] Compared with the prior art, the cast iron pipe hoisting device described in the present invention has the following beneficial effects:

[0028] (1) In the cast iron pipe hoisting device described in the present invention, the rubber sleeve on the outside of the steel wire rope can prevent the outer wall of the cast iron pipe from being scratched, and the pressure plate presses the cast iron pipe to improve the stability during the hoisting process.

[0029] (2) The utility model describes a cast iron pipe hoisting device, wherein the number of the connecting tubes is multiple, and the multiple connecting tubes are evenly arranged along the width direction of the frame. The multiple connecting tubes form a connecting group, and each plug column is provided with a corresponding connecting group. By inserting different connecting tubes, the distance between the two ends of the steel wire rope can be adjusted to be suitable for cast iron pipes of different diameters. By adjusting the distance between the two ends of the steel wire rope to be less than or equal to the diameter of the cast iron pipe, the stability of the cast iron pipe during the hoisting process is facilitated. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The accompanying drawings, which constitute part of the present invention, are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0031] Figure 1 This is a schematic diagram of the three-dimensional structure of the device according to an embodiment of the present utility model;

[0032] Figure 2 For the embodiment of the present utility model Figure 1 Schematic diagram of the structure at A in the middle;

[0033] Figure 3 This is a schematic diagram of the three-dimensional structure of the pressing plate according to an embodiment of the present utility model;

[0034] Figure 4 This is a schematic diagram of the three-dimensional structure of the steel wire rope according to an embodiment of the present utility model;

[0035] Figure 5 For the embodiment of the present utility model Figure 4 Schematic diagram of the structure at B in the middle;

[0036] Figure 6 This is a schematic diagram of the three-dimensional structure of the receiving tube according to an embodiment of the present utility model;

[0037] Figure 7 This is a schematic diagram of the three-dimensional structure of the latch according to an embodiment of the present utility model;

[0038] Figure 8 This is a schematic diagram of the cross-sectional structure of the device according to an embodiment of the present utility model;

[0039] Figure 9 This is a schematic cross-sectional structure diagram of the latch portion of the device according to an embodiment of the present utility model.

[0040] Description of reference numerals:

[0041] 1. Frame; 2. Wire rope; 3. Pressure plate; 4. Screw; 5. Socket; 6. Latch; 7. Compression spring; 8. Cast iron pipe; 101. Lifting ring; 102. Internally threaded pipe; 201. Rubber sleeve; 202. Insert column; 203. Limiting boss; 204. Limiting hole 1; 301. V-groove; 302. Guide column; 303. Limiting plate; 401. Insert hole; 501. Limiting hole 2; 502. Mounting pipe; 503. Baffle; 601. Handle; 602. Annular boss. DETAILED DESCRIPTION

[0042] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features therein can be combined with each other.

[0043] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0044] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0045] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0046] like Figures 1 to 9 As shown, a cast iron pipe lifting device includes:

[0047] Frame 1, a lifting ring 101 is fixed on the upper end of the frame 1;

[0048] Steel wire rope 2, both ends of the steel wire rope 2 are detachably connected to the frame 1, there are two steel wire ropes 2 located at both ends of the frame 1, and a rubber sleeve 201 is provided on the outside of the steel wire rope 2;

[0049] The pressing plate 3 is movably connected to the frame 1 and is located between the two steel ropes 2 .

[0050] A V-shaped groove 301 is provided at the lower end of the pressure plate 3, and the V-shaped groove 301 can be used to compress cast iron pipes 8 of different diameters; a guide column 302 is fixedly provided at the upper end of the pressure plate 3, and a guide hole matching the guide column 302 is provided on the frame 1, and the guide column 302 is located on the inner side of the guide hole; a limit plate 303 is fixedly provided at the upper end of the guide column 302, and the diameter of the limit plate 303 is larger than the diameter of the guide column 302. The limit plate 303 plays a limiting role in preventing the guide column 302 from escaping from the guide hole.

[0051] An internal threaded tube 102 corresponding to the upper end surface of the pressure plate 3 is fixed on the frame 1. A tightening screw 4 is provided in the internal threaded tube 102. The tightening screw 4 is threadedly connected to the inner side of the internal threaded tube 102. The lower end of the tightening screw 4 presses the upper end surface of the pressure plate 3.

[0052] A rubber pad is provided on the inner side of the V-shaped groove 301 . The rubber pad is soft and prevents the outer wall of the cast iron pipe 8 from being scratched. A socket 401 is provided on the upper end of the screw rod 4 . The socket 401 is convenient for inserting a crowbar to rotate the screw rod 4 .

[0053] Both ends of the steel wire rope 2 are fixed with a plug column 202, and the plug column 202 is provided with a limit hole 204; a receiving tube 5 corresponding to the plug column 202 is fixed on the frame 1, and a limit hole 2 501 corresponding to the limit hole 204 is provided on the side wall of the receiving tube 5; the plug column 202 is a square column, and the receiving tube 5 column is a square tube. The square column matches the inner size of the square tube to prevent the plug column 202 from rotating, ensuring that the limit hole 1 204 corresponds to the limit hole 2 501, facilitating the rapid insertion of the pin 6 and improving work efficiency; the lifting device also includes a pin 6, which passes through the limit hole 1 204 and the limit hole 2 501 in sequence.

[0054] A limiting boss 203 is fixedly provided on the side wall of the end of the plug post 202 adjacent to the wire rope 2. The limiting boss 203 limits the plug post 202. When the limiting boss 203 limits the plug post 202, the positions of the limiting hole 1 204 and the limiting hole 2 501 correspond to each other, which facilitates the rapid insertion of the latch pin 6 and improves work efficiency.

[0055] The edge of one end of the insertion column 202 away from the steel wire rope 2 adopts a chamfered structure, and the chamfered structure of the insertion column 202 facilitates the insertion of the insertion column 202 into the receiving tube 5.

[0056] A mounting tube 502 corresponding to the second limiting hole 501 is fixedly provided on the side wall of the receiving tube 5, and an annular boss 602 is fixedly provided on the outer wall of the latch 6. The diameter of the latch 6 matches the diameter of the second limiting hole 501. The annular boss 602 is installed on the inner side of the mounting tube 502. A baffle 503 is fixedly provided on the end of the mounting tube 5 away from the receiving tube 5. A through hole matching the latch 6 is opened on the baffle 503. The latch 6 is located on the inner side of the through hole. A compression spring 7 is provided between the annular boss 602 and the baffle 503.

[0057] A handle 601 is fixed to the end of the latch 6 away from the receiving tube 5, and the handle 601 facilitates the movement of the latch 6;

[0058] The edge of one end of the latch pin 6 adjacent to the receiving tube 5 is chamfered, and the chamfered structure of the latch pin 6 facilitates insertion into the first limiting hole 204 and the second limiting hole 501 .

[0059] There are multiple receiving tubes 5, and the multiple receiving tubes 5 are evenly arranged along the width direction of the frame 1. The multiple receiving tubes 5 form a receiving group. Each plug column 202 is correspondingly provided with a receiving group. By inserting different receiving tubes 5, the distance between the two ends of the wire rope 2 can be adjusted to be suitable for cast iron pipes 8 of different diameters. By adjusting the distance between the two ends of the wire rope 2 to be less than or equal to the diameter of the cast iron pipe 8, it helps to stabilize the cast iron pipe 8.

[0060] The number of the hanging rings 101 is more than three. In the present application, the number of the hanging rings 101 is four, which are respectively located in the middle of the four sides of the square frame 1 .

[0061] Working process:

[0062] During implementation of this solution, the hoisting frame 1 is positioned above the cast iron pipe 8, the frame 1 is moved downward, the cast iron pipe 8 supports the pressure plate 3, and the pressure plate 3 moves upward relative to the frame 1. The two steel wire ropes 2 are connected to the receiving pipe 5 via the latch 6 at one end by the latch 6. The latch 6 is moved toward the handle 601. The other end of the latch 202 passes through the bottom of the cast iron pipe 8 and is inserted into the receiving pipe 5. The latch 6 is released. Under the elastic force of the compression spring 7, the latch 6 sequentially passes through the first and second limit holes 204 and 501. The hoisting frame 1 is then lifted, and the tightening screw 4 is tightened to drive the pressure plate 3 to press the cast iron pipe 8, thereby improving stability during transportation. The rubber sleeve 201 on the outside of the steel wire rope 2 can scratch the outer wall of the cast iron pipe 8. The pressure plate 3 presses the cast iron pipe 8, improving stability during the hoisting process.

[0063] 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 above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and description of the present invention.

[0064] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A cast iron pipe hoisting device, characterized in that: include: A frame (1), wherein a lifting ring (101) is fixedly provided at the upper end of the frame (1); A steel wire rope (2), wherein both ends of the steel wire rope (2) are detachably connected to the frame (1), the number of the steel wire ropes (2) is two, and the steel wire ropes (2) are respectively located at both ends of the frame (1), and a rubber sleeve (201) is provided on the outside of the steel wire rope (2); A pressure plate (3) is movably connected to the frame (1) and is located between two steel cables (2).

2. A cast iron pipe hoisting device according to claim 1, characterized in that: The lower end of the pressing plate (3) is provided with a V-shaped groove (301); A guide post (302) is fixedly provided at the upper end of the pressure plate (3), a guide hole matching the guide post (302) is opened on the frame (1), and the guide post (302) is located inside the guide hole; A limiting plate (303) is fixedly provided at the upper end of the guide column (302), and the diameter of the limiting plate (303) is larger than the diameter of the guide column (302).

3. A cast iron pipe hoisting device according to claim 2, characterized in that: An internal threaded tube (102) corresponding to the upper end surface of the pressure plate (3) is fixed on the frame (1), and a tightening screw (4) is provided inside the internal threaded tube (102). The tightening screw (4) is threadedly connected to the inner side of the internal threaded tube (102), and the lower end of the tightening screw (4) presses against the upper end surface of the pressure plate (3).

4. A cast iron pipe hoisting device according to claim 3, characterized in that: A rubber pad is provided inside the V-shaped groove (301); The upper end of the screw rod (4) is provided with an insertion hole (401).

5. The cast iron pipe hoisting device according to claim 1, characterized in that: Both ends of the steel wire rope (2) are fixed with plug posts (202), and the plug posts (202) are provided with a limiting hole (204); The plug post (202) is a square post; A receiving tube (5) corresponding to the inserting column (202) is fixedly provided on the frame (1), and a second limiting hole (501) corresponding to the first limiting hole (204) is opened on the side wall of the receiving tube (5); The receiving tube (5) column is a square tube; The hoisting device further comprises a latch (6), and the latch (6) passes through the first limiting hole (204) and the second limiting hole (501) in sequence.

6. The cast iron pipe hoisting device according to claim 5, characterized in that: A limiting boss (203) is fixedly provided on the side wall of one end of the plug post (202) adjacent to the steel wire rope (2); The edge of one end of the plug post (202) away from the steel wire rope (2) adopts a chamfered structure.

7. The cast iron pipe hoisting device according to claim 5, characterized in that: The side wall of the receiving tube (5) is fixedly provided with a mounting tube (502) corresponding to the second limiting hole (501), and the outer wall of the latch (6) is fixedly provided with an annular boss (602). The diameter of the latch (6) matches the diameter of the second limiting hole (501). The annular boss (602) is installed on the inner side of the mounting tube (502). The mounting tube (502) is fixedly provided with a baffle (503) at one end away from the receiving tube (5). A through hole matching the latch (6) is opened on the baffle (503). The latch (6) is located on the inner side of the through hole. A compression spring (7) is provided between the annular boss (602) and the baffle (503).

8. The cast iron pipe hoisting device according to claim 7, characterized in that: A handle (601) is fixedly provided at one end of the latch (6) away from the receiving tube (5); The edge of one end of the latch pin (6) adjacent to the receiving tube (5) adopts a chamfered structure.

9. The cast iron pipe hoisting device according to claim 5, characterized in that: There are multiple receiving tubes (5), and the multiple receiving tubes (5) are evenly arranged along the width direction of the frame (1). The multiple receiving tubes (5) form a receiving group, and each plug post (202) is correspondingly provided with a receiving group.

10. The cast iron pipe hoisting device according to claim 1, characterized in that: The number of the hanging rings (101) is three or more.

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