CN-224204719-U - Rigid suspension equipment suitable for cable protection of submersible axial flow pump

CN224204719UCN 224204719 UCN224204719 UCN 224204719UCN-224204719-U

Abstract

The utility model relates to the technical field of rigid suspension equipment, in particular to rigid suspension equipment suitable for cable protection of a submersible axial-flow pump, which comprises a steel pipe and a steel cover, wherein the steel pipe is fixedly connected with the steel cover through a second connecting flange, a bearing ring plate is fixed on the inner wall of the steel pipe, a second limiting block is fixed on the top of the bearing ring plate, a fixing flange is fixed at the middle position of the top of the bearing ring plate, a first limiting block is fixed on the outer wall of the fixing flange, and the first limiting block and the second limiting block are mutually matched to form a limiting structure for limiting rotation of a cable.

Inventors

XU DANQING
ZHOU NING
WANG XIAOJIA
LIU WEIWEI
MENG FANXUE
PAN YANG
ZHANG LI
LU DONGYAN
GUO YANQING
LIU BA

Assignees

上海市水利工程集团有限公司
上海市闵行区水利管理事务中心
上海市闵行区水务建设工程安全质量监督站

Dates

Publication Date: 20260505
Application Date: 20250516

Claims (8)

1. The rigid suspension equipment suitable for protecting the cable of the submersible axial-flow pump comprises a steel pipe (4) and a steel cover (5), and is characterized in that the steel pipe (4) is fixedly connected with the steel cover (5) through a second connecting flange (6); A bearing ring plate (11) is fixed on the inner wall of the steel pipe (4), a second limiting block (16) is fixed on the top of the bearing ring plate (11), a fixed flange (12) is fixed at the middle position of the top of the bearing ring plate (11), and a first limiting block (14) is fixed on the outer wall of the fixed flange (12); The first limiting block (14) and the second limiting block (16) are mutually matched to form a limiting structure for limiting rotation of the cable.
2. Rigid suspension device suitable for cable protection of submersible axial-flow pumps according to claim 1, characterized in that the second limit blocks (16) are distributed annularly about the centre of the steel pipe (4) and the first limit blocks (14) are distributed annularly about the centre of the fixing flange (12).
3. The rigid suspension device suitable for cable protection of a submersible axial-flow pump according to claim 1, characterized in that the first limiting block (14) is provided with a limiting groove (13), and the second limiting block (16) is fixed with a bump (15); The limiting groove (13) is concave, and the protruding blocks (15) are mutually matched with the limiting groove (13).
4. Rigid suspension equipment suitable for cable protection of submersible axial-flow pump according to claim 1, characterized in that the top of the steel pipe (4) is fixed with a first connection flange (3), the top of the first connection flange (3) is fixed with an outlet pipe (1).
5. Rigid suspension device suitable for cable protection for submersible axial pumps according to claim 4, characterized in that the outlet pipe (1) and the fixing flange (12) are penetrated by a cable protection assembly (2), the cable protection assembly (2) comprising a power cable (9) and a control cable (10).
6. Rigid suspension device suitable for cable protection of submersible axial-flow pumps according to claim 5, characterized in that the outer parts of the power cable (9) and the control cable (10) are wrapped with rubber protective covers (8) and the two are mutually abutted.
7. Rigid suspension device suitable for cable protection of submersible axial-flow pumps according to claim 1, characterized in that the second connection flange (6) is equipped with connection bolts (7) for connection fixation, a plurality of said connection bolts (7) being distributed in a ring shape with respect to the centre of the second connection flange (6).
8. Rigid suspension device suitable for cable protection of submersible axial-flow pumps according to claim 1, characterized in that the two sides of the steel tube (4) are welded with suspension loops (17).

Description

Rigid suspension equipment suitable for cable protection of submersible axial flow pump Technical Field The utility model relates to the technical field of rigid suspension equipment, in particular to rigid suspension equipment suitable for cable protection of a submersible axial flow pump. Background The submerged axial flow pump ‌ is a water pump device combining a pump and a motor, is generally used in occasions with high flow and low lift, is widely applied to fields ‌ such as farm irrigation, urban drainage, industrial circulating water and the like, and has an operating principle based on an axial flow design, wherein the water flow direction is parallel to the pump shaft, and the impeller rotates to push water to flow along the axial direction. The pump body is completely immersed in water, and the motor is waterproof through the sealing device, so that normal underwater operation is ensured. The cable ‌ of the submersible axial-flow pump is a cable specially used for the submersible axial-flow pump, is commonly called as a submersible pump special cable, has the characteristics of water resistance, corrosion resistance and high voltage resistance, can safely and stably transmit electric energy in an underwater environment, is commonly provided with suspension equipment when in use, and is easy to be pulled or twisted in the suspension process, so that unnecessary damage is easily brought to the cable, and therefore, aiming at the current situation, the development of a rigid suspension equipment suitable for protecting the submersible axial-flow pump cable is urgently needed to overcome the defects in the current practical application. Disclosure of utility model The utility model aims to provide rigid suspension equipment suitable for cable protection of a submersible axial flow pump, so as to solve the problem that the cable is easy to be pulled or twisted in the suspension process in the background art, and unnecessary damage is easy to be caused to the cable. In order to achieve the above purpose, the present utility model provides the following technical solutions: The rigid suspension equipment suitable for protecting the cable of the submersible axial-flow pump comprises a steel pipe and a steel cover, wherein the steel pipe is fixedly connected with the steel cover through a second connecting flange; A bearing ring plate is fixed on the inner wall of the steel pipe, a second limiting block is fixed on the top of the bearing ring plate, a fixed flange is fixed at the middle position of the top of the bearing ring plate, and a first limiting block is fixed on the outer wall of the fixed flange; The first limiting block and the second limiting block are mutually matched to form a limiting structure for limiting the rotation of the cable. As a further scheme of the utility model, the second limiting blocks are annularly distributed about the circle center of the steel pipe, and the first limiting blocks are annularly distributed about the circle center of the fixed flange. The utility model further provides a scheme that a limiting groove is formed in the first limiting block, and a convex block is fixed on the second limiting block; The limit groove is concave, and the protruding blocks are mutually matched with the limit groove. As a further scheme of the utility model, a first connecting flange is fixed at the top of the steel pipe, and a wire outlet pipe is fixed at the top of the first connecting flange. As a further scheme of the utility model, a cable protection component is penetrated in the outlet pipe and the fixed flange, and the cable protection component comprises a power cable and a control cable. As a further scheme of the utility model, the power cable and the control cable are wrapped with rubber protective covers and are mutually adhered. As a further scheme of the utility model, the second connecting flange is provided with connecting bolts for connecting and fixing, and a plurality of connecting bolts are distributed annularly about the center of the second connecting flange. As a further scheme of the utility model, hanging rings are welded on two sides of the steel pipe. Compared with the prior art, the utility model has the beneficial effects that: 1. The bearing ring plate is fixed on the inner wall of the steel pipe, after the fixing flange is fixed at the middle position in the bearing ring plate, the hollow position in the middle of the fixing flange can be used for penetration of the cable protection assembly, then the first limiting block is fixed on the outer wall of the fixing flange, a limiting groove is formed in the first limiting block, the second limiting block is fixed on the bearing ring plate, and the protruding block is fixed on the second limiting block, so that the protruding block can be exactly clamped in the limiting groove to limit the inner part of the limiting groove, one first limiting block is matched with one second limiting block to correspond