CN201376252Y

CN201376252Y - Adjustable assembler and disassembler

Info

Publication number: CN201376252Y
Application number: CN200920012972U
Authority: CN
Inventors: 赵士华
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-04-15
Filing date: 2009-04-15
Publication date: 2010-01-06
Anticipated expiration: 2019-04-15

Abstract

The utility model relates to adjustable assembler and disassembler. A round rod arm comprises a middle arm and two side arms. A radial bolt post rod is arranged on the middle arm. Two pairs of drag hooks and a pair of pushing rod are sheathed symmetrically on the two side arms. A quadrilateral hoop frame is arranged between a pair of opposite drag hooks. The pushing rod is provided with a rectangular hanging block. The hanging block is provided with an internal thread hole which is communicated with a circular hole of a hanging arm. The axial line of the internal thread hole is perpendicular to the axial line of the circular hole of the hanging arm. A forcing off screw hole is arranged at one end hole of the internal thread hole, and a forcing off screw is screwed in the forcing off screw hole. A pushing rod body with external threads is arranged at the other end hole of the internal thread hole. One pushing rod body is sheathed with a pushing tube with a semi-hole. The other pushing rod body is sheathed with a pushing ring with a shoulder hole. The external diameter of the pushing tube is equal to the internal diameter of the big shoulder hole of the pushing ring. The adjustable assembler and disassembler are provided with two pairs of drag hooks and a pair of pull rods on the round rod arm, are convenient to be used during mechanical and electrical equipment overhaul, and are suitable for the disassembling and assembling of the circular ring shaped parts with different sizes and shapes at different positions used on different mechanical and electrical equipment such as bearing, gear and shaft coupling and the like.

Description

Adjustable replacer

Technical field

The utility model relates to the instrument that a kind of machine repairing benchwork is used during electromechanical equipment in maintenance, particularly a kind of machine repairing benchwork when the maintenance electromechanical equipment, the instrument that annular parts such as dismounting bearing, gear, shaft joint are used on axle.

Background technology

Bearing is arranged in electromechanical equipment, gear, annular parts such as shaft joint, these annular parts all are to be enclosed within tightly on the axle of electromechanical equipment, when electromechanical equipment overhauls, often need, these annular parts of dismounting from the axle in large quantities, because bearing, gear, cooperating between annular parts such as shaft joint and the axle is interference fits, dismounting is very difficult, machine repairing benchwork is when the maintenance electromechanical equipment, there is not better suited replacer, because the kind of electromechanical equipment is a lot, the axle of distinct device and the annular element size on the axle, the difference of shape and position is very big, the above-mentioned dismounting operation when common replacer can not adapt to dynamo-electric overhaul of the equipments well.In the prior art; not when overhauling, conveniently do not use by electromechanical equipment and is suitable for the adjustable instrument of combined type of annular parts dismounting such as bearing, gear, shaft joint to different size, shape and position on the different electromechanical equipment axles; in the electromechanical equipment maintenance process; during annular parts such as dismounting bearing, gear, shaft joint; because there is not suitable replacer; the maintainer pulls out sled and knocks dismounting with instruments such as hand hammer, lever are rigid, causes through regular meeting and damages electromechanical equipment or parts.

Summary of the invention

The purpose of this utility model is in order to overcome above-mentioned deficiency, proposes a kind of adjustable replacer that conveniently uses when electromechanical equipment overhauls and be suitable for the annular parts dismounting such as bearing, gear, shaft joint to different size, shape and position on the different electromechanical equipment axles.

The utility model is realized with the following method.

Adjustable replacer has three sections ladder round bar arms, the round bar arm has stage casing arm and two side arms, the external diameter of stage casing arm is bigger, the equal in length of two side arms, external diameter equates, there is the radial direction through hole with internal thread the centre of stage casing arm, be rotary with the bolt push rod in the radial direction through hole, be with two pairs of drag hooks and a pair of pull bar on the two side arms symmetrically, drag hook has the straight body of rod, the front end of the body of rod has the hook that bends towards a side, there is the circular arc that concaves in the hook front of a pair of drag hook, the extension arm circular hole that matches with two side arms is arranged on the body of rod of body of rod rear side, the axis of hanging the arm circular hole is vertical with the length direction of the body of rod, the axis of hanging the arm circular hole is identical with the bending direction of hook, the rear end of the body of rod has and hangs the female back top wire hole that the arm circular hole is vertical and communicate, be rotary with jackscrew in the back top wire hole, quadrangle hoop frame is arranged between relative drag hook, the hoop frame has two end plates, there is circular hole the both sides of end plate, be connected with bolt between the corresponding circular hole of two end plates, pull bar has the cuboid hanging block, the extension arm circular hole that matches with two side arms is arranged on the hanging block, have on the hanging block and hang the internal thread through hole that the arm circular hole communicates, the axis of internal thread through hole is perpendicular with the axis of hanging the arm circular hole, one stomidium mouth of internal thread through hole is rotary with jackscrew, the other end aperture of internal thread through hole is rotary with screw rod, be with the pipe with axial half hole on the screw rod, be with the annulus with axial step hole on another root screw rod, the external diameter of pipe is identical with the macropore internal diameter in annulus axial step hole.

Axle dismounting bearing from electromechanical equipment, gear, during annular parts such as shaft joint, for easy to use, dismounting at a certain electromechanical equipment, be rotary with at the stage casing arm on the round bar arm of threaded mandrel and can only keep a pair of drag hook, a pair of drag hook is respectively on two side arms, hook is relatively crooked, the hook of drag hook is hooked in the one side of circular ring part near equipment, with jackscrew drag hook tightly is fixed on the two side arms, with the hoop frame a pair of drag hook on the two side arms is trapped among in the hoop frame, the front end of threaded mandrel withstands on the outer end of axle, with the hoop frame this is trapped among in the hoop frame drag hook, the turn threaded mandrel, threaded mandrel stretches out, and can pull out circular ring part from axle.When drawing, a pair of drag hook on the two side arms can not break off relations because of being with the hoop frame, and the safety that guarantees field-strip is with effective.

On the electromechanical equipment axle, bearing is installed, gear, during annular parts such as shaft joint, be rotary with at the stage casing arm and only on two side arms, keep push rod on the round bar arm of threaded mandrel, screw the push rod jackscrew, pusher body is spun on the electromechanical equipment body of a both sides, aperture one end that has of pushing cylinder is inserted in the macropore of throw-out collar shoulder hole, the endoporus of annular parts is placed on the spindle nose facing to spindle nose, throw-out collar is against on the annular parts, threaded mandrel is against the other end of pushing cylinder, the turn threaded mandrel, the main thread push rod stretches out, and by promoting pushing cylinder and throw-out collar the annular parts is pushed in the axle.

Two pairs of drag hooks and a pair of pull bar are arranged on the round bar arm of the present utility model, the convenient use when electromechanical equipment overhauls can be fit to the dismounting and the installation of the annular parts such as bearing, gear, shaft joint of different size, shape and position on the different electromechanical equipment axles.

Below in conjunction with accompanying drawing, the utility model is further described.

Description of drawings

Fig. 1 is that the master of a kind of adjustable replacer of proposing by invention scheme of the present utility model looks schematic diagram;

Fig. 2 is that schematic diagram cuts open in the office of overlooking of Fig. 1;

Fig. 3 is that the master during from axle dismounting annular parts looks schematic diagram with the horizontal drawing hook;

Fig. 4 is that the master during from axle dismounting annular parts looks schematic diagram with arc limit drag hook;

Fig. 5 is that the master during mounting circular ring shape parts looks schematic diagram on axle.

The specific embodiment

Fig. 1, among Fig. 2, adjustable replacer has three sections ladder round bar arms 1, the round bar arm has stage casing arm 2 and two side arms 3, the external diameter of stage casing arm is bigger, the equal in length of two side arms, external diameter equates, there is the radial direction through hole 4 with internal thread the centre of stage casing arm, be rotary with bolt push rod 5 in the radial direction through hole, be with two pairs of drag hooks 6 on the two side arms symmetrically, 7 and a pair of pull bar 8, drag hook has the straight body of rod 9, the front end of the body of rod has the hook 10 that bends towards a side, there is the circular arc 11 that concaves in the hook front of a pair of drag hook, the extension arm circular hole 12 that matches with two side arms is arranged on the body of rod of body of rod rear side, the axis of hanging the arm circular hole is vertical with the length direction of the body of rod, the axis of hanging the arm circular hole is identical with the bending direction of hook, the rear end of the body of rod has and hangs the female back top wire hole 13 that the arm circular hole is vertical and communicate, be rotary with jackscrew 14 in the back top wire hole, quadrangle hoop frame 15 is arranged between relative drag hook, the hoop frame has two end plates 16, there is circular hole 17 both sides of end plate, be connected with bolt 18 between the corresponding circular hole of two end plates, pull bar has cuboid hanging block 19, the extension arm circular hole 20 that matches with two side arms is arranged on the hanging block, have on the hanging block and hang the internal thread through hole 21 that the arm circular hole communicates, the axis of internal thread through hole is perpendicular with the axis of hanging the arm circular hole, one stomidium mouth of internal thread through hole is rotary with jackscrew 22, and the other end aperture of internal thread through hole is rotary with on 23, screw rods of screw rod and is with the pipe 24 with axial half hole, be with the annulus 25 with axial step hole on another root screw rod, the external diameter of pipe is identical with the macropore internal diameter in annulus axial step hole.

Among Fig. 3, with horizontal drawing hook 26 dismounting annular parts 27 of the present utility model.

Among Fig. 4, the drag hook 36 dismounting annular parts 29 of the circular arc that concaves are arranged from thinner axle 28 usefulness hook fronts with arc of the present utility model limit drag hook.

Among Fig. 5, with pull bar 30 of the present utility model, annulus 32 mounting circular ring shape parts 35 on the axle 34 of equipment 33 of having the pipe 31 in axial half hole and having an axial step hole.

Claims

1. adjustable replacer, it is characterized in that: three sections ladder round bar arms are arranged, the round bar arm has stage casing arm and two side arms, the external diameter of stage casing arm is bigger, the equal in length of two side arms, external diameter equates, there is the radial direction through hole with internal thread the centre of stage casing arm, be rotary with the bolt push rod in the radial direction through hole, be with two pairs of drag hooks and a pair of pull bar on the two side arms symmetrically, drag hook has the straight body of rod, the front end of the body of rod has the hook that bends towards a side, there is the circular arc that concaves in the hook front of a pair of drag hook, the extension arm circular hole that matches with two side arms is arranged on the body of rod of body of rod rear side, the axis of hanging the arm circular hole is vertical with the length direction of the body of rod, the axis of hanging the arm circular hole is identical with the bending direction of hook, the rear end of the body of rod has and hangs the female back top wire hole that the arm circular hole is vertical and communicate, be rotary with jackscrew in the back top wire hole, quadrangle hoop frame is arranged between relative drag hook, the hoop frame has two end plates, there is circular hole the both sides of end plate, be connected with bolt between the corresponding circular hole of two end plates, pull bar has the cuboid hanging block, the extension arm circular hole that matches with two side arms is arranged on the hanging block, have on the hanging block with hang the arm circular hole mutually～logical internal thread through hole, the axis of internal thread through hole is perpendicular with the axis of hanging the arm circular hole, one stomidium mouth of internal thread through hole is rotary with jackscrew, and the other end aperture of internal thread through hole is rotary with screw rod, is with the pipe with axial half hole on the screw rod, be with the annulus with axial step hole on another root screw rod, the external diameter of pipe is identical with the macropore internal diameter in annulus axial step hole.