CN206009918U

CN206009918U - A kind of electrical tapping machine

Info

Publication number: CN206009918U
Application number: CN201620782046.8U
Authority: CN
Inventors: 焦祥明
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-07-20
Filing date: 2016-07-20
Publication date: 2017-03-15
Anticipated expiration: 2026-07-20

Abstract

This utility model belongs to pipeline construction equipment, and in particular to a kind of electrical tapping machine, including body, telescopic shaft, rotating shaft, cutter head, rotating shaft drive mechanism and telescopic shaft drive mechanism；Telescopic shaft is inserted in the miner diameter end of housing, and constitutes axial sliding fit with the miner diameter end；Telescopic shaft is tubular structure, and rotating shaft is inserted in telescopic shaft, and is rotatably assorted with telescopic shaft composition；Telescopic shaft and rotating shaft extend to the bigger diameter end within the chamber of housing, and install the cutter head in the rotating shaft at the end；Telescopic shaft drive mechanism is used for driving telescopic shaft to slide axially, and realizes the feed tool backlash movement of cutter head；Rotating shaft drive mechanism is rotated for drive shaft, realizes the circumgyration incision action of cutter head；The shell wall of the bigger diameter end chamber is provided with pipe joint, and the pipe joint is provided with stop valve.This utility model forms a confined space by housing, is then drilled in the confined space, and in work progress, pipeline effectively prevent the loss that work progress brings to productive life without the need for closing.

Description

A kind of electrical tapping machine

Technical field

This utility model belongs to pipeline construction equipment, and in particular to a kind of electrical tapping machine.

Background technology

In pipeline construction field, it is sometimes desirable to which opening up arm on pipeline in working order carries out drain, and is in work Make the flow media that there is high pressure in the pipeline of state, for avoiding medium from spraying, pipeline temporary close can only be constructed, this Produce serious consequence sometimes, such as during tap water supply pipeline construction, if closedown of pipeline is constructed, certainly will Large area can be caused to cut off the water, affect the daily productive life of enterprise and family.

Utility model content

The purpose of this utility model is to provide one kind and can carry out drilling in the state of pipeline is not closed on pipeline to be applied The electrical tapping machine of work.

For achieving the above object, this utility model provides technical scheme below：A kind of electrical tapping machine, including body, Telescopic shaft, rotating shaft, cutter head, rotating shaft drive mechanism and telescopic shaft drive mechanism；The body includes a trumpet-shaped housing, should The bigger diameter end of housing is used on connecting pipe the arm adpting flange for blocking the arm pipe clamp for setting, and the telescopic shaft is inserted in the little of housing Footpath end, and axial sliding fit is constituted with the miner diameter end；The telescopic shaft is tubular structure, and the rotating shaft is inserted in telescopic shaft, And be rotatably assorted with telescopic shaft composition；The telescopic shaft and rotating shaft extend to the bigger diameter end within the chamber of housing, and turning at the end The cutter head is installed on axle；The telescopic shaft drive mechanism is used for driving telescopic shaft to slide axially, and realizes the feed withdrawing of cutter head Action；The rotating shaft drive mechanism is rotated for drive shaft, realizes the circumgyration incision action of cutter head；The bigger diameter end chamber Shell wall is provided with pipe joint, and the pipe joint is provided with stop valve；The cutter head includes tubular cutterhead and is located at tubular cutterhead The drill bit at center；The tubular cutterhead front end is provided with blade, and tubular shape cutterhead rear end is connected with rotating shaft by end plate, the end plate It is provided with the through hole passed through for fluid.

The rotating shaft drive mechanism is motor, and the main shaft of motor is by one end composition on reduction box and rotating shaft away from cutter head Transmission coordinates；The housing of reduction box is fixedly connected with the one end on telescopic shaft away from cutter head；Motor is fixed with reduction box casing and is connected Connect.

The telescopic shaft drive mechanism includes axially disposed tooth bar on telescopic shaft outer wall, the tooth bar and path end housing The gear engagement of setting is rotated on body, and the gear is driven by the handwheel for rotating setting in path end housing.

The first dynamic Mi Quan is provided between the inwall of the outer ring surface of the telescopic shaft and bigger diameter end chamber；The telescopic shaft is close The second dynamic seal ring is provided between the inner ring surface of one end of cutter head and rotating shaft.

Be additionally provided with ball bearing and thrust roller bearing between the telescopic shaft inner ring surface and rotating shaft, the ball bearing and Thrust roller bearing is disposed side by side in rotating shaft the one end near cutter head.

Length of the length of the drill bit more than tubular cutterhead, makes cutter head in cutting, and drill bit is connect with pipeline outer wall first Touch.

Sleeve is additionally provided between the telescopic shaft and miner diameter end inner walls, axially disposed on the sleeve lining have one Bar groove, is provided with a raised line in the axial direction on the telescopic shaft, the raised line is constituted with bar groove and is slidably matched, for preventing from stretching Produce relative rotation between axle and housing.

Of the present utility model have technical effect that：This utility model forms a confined space by housing, then close at this Close in space and drilled, in work progress, pipeline effectively prevent the damage that work progress is brought to productive life without the need for closing Lose.

Description of the drawings

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

Fig. 2 is sectional view of the present utility model；

Fig. 3 is the I partial enlarged views of Fig. 2.

Specific embodiment

This utility model is described in detail below in conjunction with accompanying drawing.

As shown in Figure 1, 2, a kind of electrical tapping machine, drives including body 10, telescopic shaft 11, rotating shaft 12, cutter head 13, rotating shaft Mechanism and telescopic shaft drive mechanism；The body 10 includes that a trumpet-shaped housing, the bigger diameter end 101 of the housing are used for connecting Block the arm adpting flange 22 of the arm pipe clamp 21 for setting on pipeline 20, the telescopic shaft 11 is inserted in the miner diameter end 102 of housing, and with The miner diameter end 102 constitutes axial sliding fit；The telescopic shaft 11 is tubular structure, and the rotating shaft 12 is inserted in telescopic shaft 11, And be rotatably assorted with the composition of telescopic shaft 11；The telescopic shaft 11 and rotating shaft 12 extend to 101 within the chamber of bigger diameter end of housing, and The cutter head 13 is installed in the rotating shaft 12 at the end；The telescopic shaft drive mechanism is used for driving telescopic shaft 11 to slide axially, and realizes The feed tool backlash movement of cutter head 13；The rotating shaft drive mechanism is rotated for drive shaft 12, realizes the circumgyration incision of cutter head 13 Action；The shell wall of 101 chamber of the bigger diameter end is provided with pipe joint 106, and the pipe joint 106 is provided with stop valve 107.This reality A confined space is formed by housing with new, is then drilled in the confined space, in work progress, pipeline is without the need for closing Close, effectively prevent the loss that work progress is brought to productive life.

Preferably, the rotating shaft drive mechanism is motor 14, and the main shaft of motor 14 is by remote in reduction box 15 and rotating shaft 12 Transmission is constituted from one end of cutter head 13 to coordinate；Fix and connect in one end on the housing of reduction box 15 and telescopic shaft 11 away from cutter head 13 Connect；Motor 14 is fixedly connected with 15 housing of reduction box.In work process, motor 14 and reduction box 15 are servo-actuated with telescopic shaft 11.

Preferably, the telescopic shaft drive mechanism includes axially disposed tooth bar 111 on outer 11 walls of telescopic shaft, the tooth Bar 111 is engaged with the gear 103 for rotating setting on 102 housing of miner diameter end, and the gear 103 is set by rotating on 102 housing of miner diameter end The handwheel 104 that puts is driven.

Preferably, as shown in figure 3, being provided between the inwall of 101 chamber of the outer ring surface of the telescopic shaft 11 and bigger diameter end One dynamic close circle 115；The telescopic shaft 11 is provided with the second dynamic seal ring between the inner ring surface of one end of cutter head 13 and rotating shaft 12 116.

Preferably, ball bearing 113 and thrust roller bearing are additionally provided between 11 inner ring surface of the telescopic shaft and rotating shaft 12 114, the ball bearing 113 and thrust roller bearing 114 are disposed side by side in rotating shaft 12 one end near cutter head 13.Thrust axis Hold certain axial thrust can be provided for rotating shaft 12.

Preferably, the cutter head 13 includes tubular cutterhead 131 and the drill bit 132 positioned at 131 center of tubular cutterhead；Described 131 front end of tubular cutterhead is provided with blade, and 131 rear end of tubular shape cutterhead is connected with rotating shaft 12 by end plate, and the end plate is provided with For the through hole 133 that fluid passes through.

Preferably, the length of the drill bit 132 more than tubular cutterhead 131 length, make cutter head 13 cutting when, drill bit 132 first with 20 wall contacts of pipeline.Make when pipeline 20 is cut through again, the part being cut off can be enclosed within drill bit 132, without losing Fall in pipeline 20.

Preferably, sleeve 105 is additionally provided between 102 inner walls of the telescopic shaft 11 and miner diameter end, in the sleeve 105 Axially disposed on wall have a bar groove, is provided with a raised line 112, the raised line 112 and bar on the telescopic shaft 11 in the axial direction Groove is constituted and is slidably matched, for preventing from producing relative rotation between telescopic shaft 11 and housing.

Preferred embodiment of the present utility model is the foregoing is only, not in order to limit this utility model, all at this Any modification, equivalent and improvement that is made within the spirit and principle of utility model etc., should be included in this utility model Protection domain within.

Claims

1. a kind of electrical tapping machine, it is characterised in that：Including body, telescopic shaft, rotating shaft, cutter head, rotating shaft drive mechanism and stretch Contracting axle drive mechanism；The body includes a trumpet-shaped housing, and the bigger diameter end of the housing is for propping up that card on connecting pipe sets The arm adpting flange of pipe pipe clamp, the telescopic shaft are inserted in the miner diameter end of housing, and constitute axial sliding fit with the miner diameter end； The telescopic shaft is tubular structure, and the rotating shaft is inserted in telescopic shaft, and is rotatably assorted with telescopic shaft composition；The telescopic shaft and Rotating shaft extends to the bigger diameter end within the chamber of housing, and installs the cutter head in the rotating shaft at the end；The telescopic shaft drive mechanism For driving telescopic shaft to slide axially, the feed tool backlash movement of cutter head is realized；The rotating shaft drive mechanism is revolved for drive shaft Turn, realize the circumgyration incision action of cutter head；The shell wall of the bigger diameter end chamber is provided with pipe joint, and the pipe joint is provided with and cuts Only valve；The cutter head includes tubular cutterhead and the drill bit positioned at tubular cutter head center；The tubular cutterhead front end is provided with blade, Tubular cutterhead rear end is connected with rotating shaft by end plate, and the end plate is provided with the through hole passed through for fluid；The rotating shaft driving machine Structure is motor, and the main shaft of motor is by one end composition transmission cooperation on reduction box and rotating shaft away from cutter head；The housing of reduction box It is fixedly connected with the one end on telescopic shaft away from cutter head；Motor is fixedly connected with reduction box casing；The outer ring surface of the telescopic shaft The first dynamic Mi Quan is provided with and the inwall of bigger diameter end chamber between；The telescopic shaft near one end of cutter head inner ring surface and rotating shaft it Between be provided with the second dynamic seal ring；Ball bearing and thrust roller bearing, institute is additionally provided between the telescopic shaft inner ring surface and rotating shaft State ball bearing and thrust roller bearing is disposed side by side in rotating shaft the one end near cutter head；The length of the drill bit is more than tubular The length of cutterhead, makes cutter head in cutting, and drill bit is contacted with pipeline outer wall first.