CN204248367U - A kind of strange good pump cross head bearing dismantling device - Google Patents

Abstract

The utility model relates to a tool for disassembling and assembling a crosshead bearing of a Qihao pump. It is characterized in that its structure includes: a top screw, a hydraulic cylinder fixed on the end of the top screw, a pressing plate close to the hydraulic cylinder and fixed on the top screw through a threaded hole, and a positioning screw fixed in the middle of the top screw. The bearing splint is threadedly connected to the movable bearing splint at the end of the top screw, and is fastened by nuts to the pull rods symmetrically arranged on the through holes on the side of the pressure plate. The tool for removing and assembling the crosshead bearing of the Qihao pump of the utility model can effectively solve the difficulty of disassembling and inspecting the crosshead bearing of the Qihao pump. The damage of the bearing effectively reduces the labor intensity and improves the maintenance efficiency.

Description

A tool for removing and installing crosshead bearings of Qihao pump

technical field

The utility model relates to a tool for disassembling and assembling a crosshead bearing of a Qihao pump.

Background technique

Qihao pump is a commonly used equipment in the alumina industry. The material is fed into the casing by Qihao pump for preheating. The specification and model of Qihao pump are TZP2000, the production capacity is 200-360m3/h, and the working pressure is 7.7Mpa. Since the crosshead bearing of the Qihao pump is in operation, the bearing reciprocates at a yaw angle of 10°, and the bearing bears impact loads. It needs to be dismantled and inspected regularly to ensure the stable operation of the equipment. After the bearing is disassembled and inspected, it needs to be rotated at a certain angle to be reinstalled and used after cleaning and inspection. In actual operation, disassembly and damage to the bearing often occur, which affects the strength and performance of the bearing. When the bearing is installed, it is necessary to heat the bearing seat hole, resulting in cumbersome operations. Since the spare parts of Qihao pump are expensive and the organization period is long, it is very important to try to protect and dismantle the imported bearings to reduce the cost of spare parts.

Contents of the invention

The purpose of this utility model needle is to provide a tool for removing and assembling crosshead bearings of Qihao pumps that can effectively avoid damage to bearings, ensure bearing strength and performance, and is easy to install and operate in order to address the shortcomings of the above-mentioned prior art.

The purpose of this utility model is achieved through the following technical solutions.

A Qihao pump crosshead bearing dismounting tool is characterized in that its structure includes:

Top screw, the top screw is a long threaded screw;

A hydraulic cylinder, which is fixed on the end of the top screw;

Compression plate, the pressure plate has a threaded hole in the center to match the top screw, and the side is symmetrically provided with through-hole disks; the pressure plate is close to the hydraulic cylinder and fixed on the top screw through the threaded hole ;

Positioning bearing splint, the positioning bearing splint is fixed in the middle of the top screw and can cover the end of the bearing;

The movable bearing splint is a plate that is threadedly connected to the tail of the top screw and can cover the end of the bearing;

A pull rod, the pull rod is a straight rod fastened by a nut to the symmetrically arranged through holes on the edge of the pressing disc.

The tool for removing and assembling the crosshead bearing of the Qihao pump of the utility model can effectively solve the difficulty of disassembling and inspecting the crosshead bearing of the Qihao pump. The damage of the bearing effectively reduces the labor intensity and improves the maintenance efficiency.

Description of drawings

Fig. 1 is the structural representation when the bearing of the present utility model is installed;

Fig. 2 is a schematic diagram of the structure of the bearing of the present invention when it is disassembled.

Detailed ways

A tool for removing and assembling a crosshead bearing of a Qihao pump, the structure of which includes:

Top screw 1, the top screw is a long threaded screw;

Hydraulic cylinder 2, which is fixed on the end of the top screw;

Compression plate 3, the pressure plate is centered with a threaded hole matching with the top screw, and the side is symmetrically provided with a through-hole disk; the pressure plate is close to the hydraulic cylinder, and is fixed on the top screw through the threaded hole superior;

Positioning bearing splint 4, the positioning bearing splint is fixed in the middle of the top screw and can cover the end of the bearing;

Movable bearing splint 5, the movable bearing splint is a plate that is threadedly connected to the tail of the top screw and can cover the end of the bearing;

Pull rod 6, which is a straight rod that is fastened by a nut on the edge of the compaction disc and is symmetrically provided with through holes.

When operating, first remove the movable bearing splint, insert the top screw into the 8 holes of the bearing, stick the bearing on the positioning bearing splint, then install the movable bearing splint on the top screw to fix the bearing, and then adjust the length of the pull rod , so that its end is pressed against the crank connecting rod 7 of the Qihao pump, the hydraulic cylinder is started, and the top screw is driven to rotate, so that the positioning bearing splint, the movable bearing splint and the bearings held by it move on the top screw, and in the pull rod Under the action, the bearing hole of the crank connecting rod of the bearing is displaced, and the disassembly and installation of the bearing are completed. On the premise of not damaging the bearing, the labor intensity is reduced and the maintenance efficiency is improved.

Claims (1)

1. A Qihao pump crosshead bearing dismounting tool, characterized in that its structure includes: Top screw, the top screw is a long threaded screw; A hydraulic cylinder, which is fixed on the end of the top screw; Compression plate, the pressure plate has a threaded hole in the center to match the top screw, and the side is symmetrically provided with through-hole disks; the pressure plate is close to the hydraulic cylinder and fixed on the top screw through the threaded hole ; Positioning bearing splint, the positioning bearing splint is fixed in the middle of the top screw and can cover the end of the bearing; The movable bearing splint is a plate that is threadedly connected to the tail of the top screw and can cover the end of the bearing; A pull rod, the pull rod is a straight rod fastened by a nut to the symmetrically provided through holes on the edge of the pressing disc.