Special hoisting tool for slurry pump sheath

Abstract

The utility model provides a special hoisting tool for a slurry pump sheath, which belongs to the technical field of hoisting tools and comprises a transversely arranged threaded rod and bearing parts arranged on two sides of the threaded rod, a hoisting part is arranged in the middle of the threaded rod, and a threaded hole is transversely formed in the middle of each bearing part in a penetrating manner. The two bearing parts are arranged on the two sides of the threaded rod in a threaded sleeving mode through the threaded holes, and the two bearing parts rotate along the threaded rod so that the distance between the two bearing parts can be adjusted. According to the special hoisting tool for the slurry pump jacket, the stability of the slurry pump jacket during hoisting can be ensured, meanwhile, the hoisting operation of slurry pump jackets of different models can be completed by adjusting the distance between the two bearing parts, and the universality is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of hoisting tools, and more specifically relates to a special hoisting tool for a slurry pump jacket. Background Art

[0002] Slurry pump is a kind of pump used to transport thick liquid containing solid particles (such as ore pulp, tailings, mud, etc.). Slurry pump is widely used in mining, chemical industry, environmental protection, construction and other industries. It usually consists of pump body, jacket, impeller, bearing, sealing device and driving device (such as motor).

[0003] The slurry pump jacket is an important part of the slurry pump. Its main function is to protect the pump body and prevent the pump body from being worn and corroded in a harsh working environment. The jacket is usually located at the inlet and outlet of the pump and is the part that is in direct contact with the fluid.

[0004] During the assembly stage of the slurry pump jacket, two steel plates are usually inserted into the jacket for hoisting. This method of hoisting the slurry pump jacket has poor stability and poor universality for different types of jackets. Utility Model Content

[0005] The utility model aims to provide a special hoisting tool for a slurry pump jacket, aiming to solve the problem that the conventional hoisting method of the slurry pump jacket leads to poor stability and poor versatility of the jacket.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a special lifting tool for a slurry pump casing, comprising a transversely arranged threaded rod and supporting parts arranged on both sides of the threaded rod, a lifting component is provided in the middle part of the threaded rod, and a threaded hole is opened transversely through the middle part of the supporting part, and the two supporting parts are threadedly sleeved on both sides of the threaded rod through the threaded holes, and the two supporting parts rotate along the threaded rod to adjust the distance between the two supporting parts.

[0007] In a possible implementation, the supporting portion is an arc-shaped rod, the threaded hole is opened in the middle of the arc-shaped rod, and both ends of the arc-shaped rod are bent toward the middle of the threaded rod.

[0008] In a possible implementation, the arc-shaped rod is a prismatic rod, and both the upper end surface and the lower end surface of the prismatic rod have a supporting surface for supporting the inner side surface of the edge of the sheath water inlet.

[0009] In a possible implementation, an elastic anti-slip layer is provided on the supporting surface.

[0010] In a possible implementation, an angle formed by a line connecting two ends of the arc-shaped rod and a middle portion of the threaded rod is not less than 90°.

[0011] In a possible implementation, the lifting component includes a fixed block and a lifting ring, the fixed block is welded to the middle portion of the threaded rod, and the lifting ring is detachably connected to the middle portion of the fixed block.

[0012] In a possible implementation, a connecting screw hole is radially provided in the fixing block, a connecting screw is provided on one side of the lifting ring, and the connecting screw is threadedly connected in the connecting screw hole.

[0013] In one possible implementation, .

[0014] The utility model provides a special lifting tool for a slurry pump jacket, which has the beneficial effect that: compared with the prior art, the length of the threaded rod is less than the diameter of the jacket flow channel, ensuring that the threaded rod can be fully inserted into the jacket flow channel and can be adjusted to a horizontal state. The two supporting parts rotate in the same direction, so that the two supporting parts can be continuously approached or continuously moved away in a rotating state. When using the special lifting tool for a slurry pump jacket provided by the utility model, first rotate the two supporting parts in the same direction, the two supporting parts are continuously approached in a rotating state, the threaded rod is inserted into the jacket flow channel in an inclined state, and then the threaded rod is placed horizontally. Then rotate the two supporting parts in the opposite direction so that the two supporting parts are continuously moved away in a rotating state, and finally the distance between the two supporting parts is greater than the diameter of the jacket water inlet and is in a horizontal state. Hang the hook of the lifting equipment on the lifting component and lift it upward, the two supporting parts are respectively against the inner side of the edge of the jacket water inlet, and the lifting of the jacket is completed under the joint support of the two supporting parts. The utility model provides a special hoisting tool for a slurry pump casing, which can ensure the stability of the casing when hoisting. At the same time, by adjusting the distance between two supporting parts, the hoisting operation of slurry pump casings of different models can be completed, and the versatility is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 A schematic structural diagram of a special hoisting tool for a slurry pump jacket provided in an embodiment of the utility model;

[0017] Figure 2 for Figure 1 Section view along AA;

[0018] Figure 3A diagram showing the use status of a special lifting tool for a slurry pump jacket provided in an embodiment of the utility model.

[0019] Description of reference numerals:

[0020] 1. Threaded rod; 2. Arc-shaped rod; 201. Supporting surface; 3. Fixing block; 4. Lifting ring; 401. Connecting screw. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with 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 used to limit the present invention.

[0022] In the claims, specification and the above-mentioned drawings of the utility model, unless otherwise clearly defined, the use of terms such as "first", "second" or "third" etc. is to distinguish different objects rather than to describe a specific order.

[0023] In the claims, specification and the above-mentioned drawings of the utility model, unless otherwise explicitly defined, directional words, such as the terms "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inside", "outside", "up", "down", "front", "back", "left", "right", "clockwise", "counterclockwise", "high", "low", etc., indicating directions or positional relationships are based on the directions and positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the specific protection scope of the utility model.

[0024] See also Figures 1 to 3 Now, a special lifting tool for a slurry pump jacket provided by the utility model is described. A special lifting tool for a slurry pump jacket comprises a transversely arranged threaded rod 1 and supporting parts arranged on both sides of the threaded rod 1, a lifting component is arranged in the middle of the threaded rod 1, a threaded hole is transversely opened in the middle of the supporting part, two supporting parts are threadedly sleeved on both sides of the threaded rod 1 through the threaded holes, and the two supporting parts rotate along the threaded rod 1 to adjust the distance between the two supporting parts.

[0025] The utility model provides a special lifting tool for a slurry pump jacket. Compared with the prior art, the length of the threaded rod 1 is less than the diameter of the jacket flow channel, ensuring that the threaded rod 1 can be fully inserted into the jacket flow channel and can be adjusted to a horizontal state. The two supporting parts rotate in the same direction, so that the two supporting parts can be continuously approached or continuously moved away in a rotating state. When using the special lifting tool for a slurry pump jacket provided by the utility model, first rotate the two supporting parts in the same direction, the two supporting parts are continuously approached in a rotating state, the threaded rod 1 is inserted into the jacket flow channel in an inclined state, and then the threaded rod 1 is placed horizontally. Then rotate the two supporting parts in the opposite direction so that the two supporting parts are continuously moved away in a rotating state, and finally the distance between the two supporting parts is greater than the diameter of the jacket water inlet and is in a horizontal state. Hang the hook of the lifting equipment on the lifting component and lift it upward, the two supporting parts are respectively against the inner side of the edge of the jacket water inlet, and the lifting of the jacket is completed under the joint support of the two supporting parts. The utility model provides a special hoisting tool for a slurry pump casing, which can ensure the stability of the casing when hoisting. At the same time, by adjusting the distance between two supporting parts, the hoisting operation of slurry pump casings of different models can be completed, and the versatility is strong.

[0026] In addition, for a jacket with a low jacket flow channel height, that is, the height of the jacket flow channel is less than the maximum width of the supporting part, it is necessary to first adjust the distance between the two supporting parts to a state slightly larger than the diameter of the jacket water inlet, and then insert it into the jacket flow channel in an inclined state, and then place the above-mentioned slurry pump jacket special lifting tool horizontally as a whole. For a jacket with a high jacket flow channel height, that is, the height of the jacket flow channel is greater than the maximum width of the supporting part, the two supporting parts can be rotated inside the jacket flow channel to adjust the distance between the two supporting parts.

[0027] See also Figure 1 The supporting part is an arc-shaped rod 2, the threaded hole is opened in the middle of the arc-shaped rod 2, and the two ends of the arc-shaped rod 2 are bent toward the middle of the threaded rod 1. The arc-shaped rod 2 can adapt to the shape of the jacket flow channel, and the arc-shaped rod 2 can provide more contact area with the inner side of the edge of the jacket water inlet, thereby improving the stability of the slurry pump jacket lifting.

[0028] See also Figure 2 The arc-shaped rod 2 is a prismatic rod, and the upper and lower end surfaces of the prismatic rod are both provided with a supporting surface 201 for supporting the inner side surface of the edge of the sheath water inlet. The prismatic rod can provide horizontal supporting surfaces 201 on its upper and lower end surfaces, respectively, which can not only provide more contact area with the inner side wall of the edge of the sheath water inlet, but also reduce the number of rotations of the supporting part. Any end surface of the supporting part can be used as the supporting surface 201 when it is rotated to the upper end surface.

[0029] Preferably, an elastic anti-skid layer is provided on the supporting surface 201. The elastic anti-skid layer is a rubber layer, which is bonded or bolted to the supporting surface 201. The rubber layer completely covers the supporting surface 201 to avoid rigid contact between the supporting surface 201 and the inner side of the edge of the jacket water inlet, thereby reducing scratches. At the same time, the rubber layer can also increase the friction between the supporting surface 201 and the inner side of the edge of the jacket water inlet, thereby improving the stability of the slurry pump jacket hoisting.

[0030] At the same time, the angle formed by the two ends of the arc-shaped rod 2 and the middle of the threaded rod 1 is not less than 90°. Ensuring that the arc-shaped rod 2 has sufficient length can provide sufficient contact area when supporting the jacket, ensuring the stability of the lifting state of the slurry pump jacket.

[0031] See also Figure 2 The lifting components include a fixed block 3 and a lifting ring 4. The fixed block 3 is welded to the middle of the threaded rod 1. The fixed block 3 is a cylindrical or prism structure. A through hole is opened in the axial direction inside the fixed block 3. The fixed block 3 is sleeved in the middle of the threaded rod 1 through the through hole and welded at both ends of the through hole. The lifting ring 4 is detachably connected to the middle of the fixed block 3, so that the lifting ring 4 can be quickly replaced when it is damaged.

[0032] Preferably, a connecting screw hole is provided in the radial direction of the fixing block 3, and a connecting screw 401 is provided on one side of the lifting ring 4. The connecting screw 401 is integrally formed with the lifting ring 4, and the connecting screw 401 is threadedly connected in the connecting screw hole. Of course, in order to ensure the structural strength of the lifting ring 4, after being connected to the fixing block 3 by the connecting screw 401, it can also be further reinforced by welding. In this state, the lifting ring 4 cannot be disassembled.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A special hoisting tool for a slurry pump jacket, characterized in that: It comprises a transversely arranged threaded rod (1) and supporting parts arranged on both sides of the threaded rod (1), a lifting component is provided in the middle of the threaded rod (1), a threaded hole is transversely opened in the middle of the supporting part, two supporting parts are threadedly sleeved on both sides of the threaded rod (1) through the threaded holes, and the two supporting parts rotate along the threaded rod (1) to adjust the distance between the two supporting parts.

2. A special hoisting tool for a slurry pump jacket as claimed in claim 1, characterized in that: The supporting portion is an arc-shaped rod (2), the threaded hole is opened in the middle of the arc-shaped rod (2), and both ends of the arc-shaped rod (2) are bent toward the middle of the threaded rod (1).

3. A special hoisting tool for a slurry pump jacket as claimed in claim 2, characterized in that: The arc-shaped rod (2) is a prismatic rod, and the upper end surface and the lower end surface of the prismatic rod are both provided with a supporting surface (201) for supporting the inner side surface of the edge of the sheath water inlet.

4. A special hoisting tool for a slurry pump jacket as claimed in claim 3, characterized in that: An elastic anti-slip layer is provided on the supporting surface (201).

5. A special hoisting tool for a slurry pump jacket as claimed in claim 2, characterized in that: The angle formed by the line connecting the two ends of the arc-shaped rod (2) and the middle of the threaded rod (1) is not less than 90°.

6. A special hoisting tool for a slurry pump jacket according to any one of claims 1 to 5, characterized in that: The lifting component comprises a fixed block (3) and a lifting ring (4); the fixed block (3) is welded to the middle part of the threaded rod (1); and the lifting ring (4) is detachably connected to the middle part of the fixed block (3).

7. A special hoisting tool for a slurry pump jacket as claimed in claim 6, characterized in that: The fixing block (3) is provided with a connecting screw hole in the radial direction, and a connecting screw (401) is provided on one side of the lifting ring (4), and the connecting screw (401) is threadedly connected in the connecting screw hole.

Images