CN2818021Y

CN2818021Y - Electric self-advancing pipeline hole making device

Info

Publication number: CN2818021Y
Application number: CN 200520010106
Authority: CN
Inventors: 肖代伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-10-17
Filing date: 2005-10-17
Publication date: 2006-09-20
Anticipated expiration: 2015-10-17

Abstract

The utility model belongs to a mechanical assembly tool which is an electric self-advancing pipe driller which comprises a cutter 1, a central drill 2, a driller seat 3, a motor 8, a box body 11, a main shaft 13, a hand crank 18, a box cover 20, a flange 22, a main shaft sleeve 4, a square head shaft bevel gear 5, a nut bevel gear 6, a screw rod 7, a drive gear 9, a worm 10, a bearing seat 12, a worm wheel 14, a shaft coupling spiral gear 15, a double gear 16, a square head shaft helical gear 17, a handle shifting fork 19, a nut gear 21, a triangular belt 23, a small belt pulley 24 and a large belt pulley 25. Compared with the pipe driller in the prior art, the utility model has the advantages of compact structure, small size of the whole driller, convenient and flexible use and high safety and reliability, and is suitable for working in narrow construction environment, so the utility model has broad market prospect in pipe installation engineering for water supply, drainage, coal gas and petroleum, etc.

Description

Electronic self-advancing type pipe tapping machine

One, technical field

The utility model belongs to what machinery erector, particularly the facility used of pipeline tapping.

Two, background technology

At pipeline the pipe tapping machine that uses in the industry is installed at present, what adopt usually is the pipe tapping machine of manual feed formula, and its defective is that the depth of cut is inhomogeneous, thereby cause power impaired, cutter is broken easily, and shorten the service life of facility, and influence work progress; Also have the pipe tapping machine of electronic feed to appear on the market, but its structure is unreasonable, it is oversize to show that mainly main shaft overhangs, and makes vibration cutting big, and the swaging clamp phenomenon is serious, and travelling gear is also broken easily, but also inconvenience is used in narrow and small job site.

Three, summary of the invention

At the above-mentioned defective that existing pipe tapping machine exists, propose a kind of electronic self-advancing type pipe tapping machine of meter, make it compact conformation, feed at the uniform velocity alleviates vibration, and is flexible and convenient to use, and stable working is reliable, is suitable for perforate on the pipeline of various materials.

Technical solution adopted in the utility model is as follows.

A kind of electronic self-advancing type pipe tapping machine includes cutter, centre drill, support, motor, casing, main shaft, shakes the hand, case lid and flange, it is characterized in that:

1) it also has collar bush, square head shaft bevel gear, nut bevel gear, screw mandrel, travelling gear, worm screw, bearing block, worm gear, connecting shaft helical gear, duplicate gear, square head shaft helical gear, handle shift fork, nut gear, V-belt, small pulley and big belt wheel;

2) main shaft top is polished rod for the screw mandrel bottom, centre drill is installed in the groove of main shaft lower end, cutter is fixed on the large end face of main shaft with hexagon socket head cap screw, collar bush is bearing in the support by bearing shell, main shaft is fixed in the bearing shell of collar bush and can endwisely slips, and weld mutually with flange the collar bush upper end, square head shaft bevel gear and nut bevel gear mesh and by bearing fixing on support, the screw mandrel lower end is inserted in that screw thread interlocks in the nut bevel gear, and the screw mandrel upper end is fixedly linked with flange;

3) casing is connected with flange with hexagon socket head cap screw, and travelling gear and worm gear are connected and fixed with key and are one, and worm gear is fixed in the bearing block, and be connected with key with main shaft upper end, bearing block support is on casing, and worm screw is bearing on the casing by bearing, and meshes with worm gear;

4) the connecting shaft helical gear is bearing on the casing by bearing, and mesh with the square head shaft helical gear, the square head shaft helical gear is fixed on the case lid by axle sleeve, the axle that duplicate gear is enclosed within the connecting shaft helical gear upward also can endwisely slip with key is fixing, respectively with travelling gear and nut gear engagement, the handle shift fork is arranged in the groove of duplicate gear, and nut gear, and interlocks with screw thread on the main shaft screw mandrel in the dead eye of casing by bearing fixing;

5) small pulley is installed on the axle of motor, and big belt wheel is installed in the end of worm screw, puts the V-belt and constitutes a reducing gear together.

When using the electronic self-advancing type pipe tapping machine of the utility model structure, will shake the hand as required both can be enclosed within on the square toes of square head shaft helical gear, also can be enclosed within on the square toes of square head shaft bevel gear.

The electronic self-advancing type pipe tapping machine of the utility model owing to having adopted collar bush to shorten overhanging of main shaft, has been strengthened the main shaft rigidity, can prevent vibration cutting, avoids the swaging clamp phenomenon; Because unique autofeed version, feed velocity is even during work, can guarantee the service life of moving component and cutter; Owing to adopted belt transmission-reducing gear, overcome gear drive and easily beaten the tooth phenomenon, and made cutter milling work more steadily reliable, noise is low; It can implement the perforate operation on pipe of cement, plastic tube, steel pipe or other metallic conduit.It is compared with the pipe tapping machine of prior art, and compact conformation, machine volume are less, flexible and convenient to use, are adapted at narrow construction environment operation, and it has vast market prospect in plumbing in pipelayer's journeys such as coal gas and oil.

Four, description of drawings

Fig. 1 is the assembly planar structure schematic diagram of the electronic self-advancing type pipe tapping machine of the utility model;

Fig. 2 is the A-A broken section structural representation of Fig. 1;

In the drawings, 1-cutter, 2-centre drill, 3-support, 4-collar bush, 5-square head shaft bevel gear, 6-nut bevel gear, 7-screw mandrel, 8-motor, 9-travelling gear, 10)-and worm screw, 11-casing, 12-bearing block, 13-main shaft, the 14-worm gear, 15-connecting shaft helical gear, 16-duplicate gear, 17-square head shaft helical gear, 18-shakes the hand, 19-handle shift fork, 20-case lid, 21-nut gear, the 22-flange, 23-V-belt, 24-small pulley, the big belt wheel of 25-.

Five, the specific embodiment

Further specify the concrete structure of the electronic self-advancing type pipe tapping machine of the utility model and its operation principle below in conjunction with accompanying drawing.

A kind of electronic self-advancing type pipe tapping machine includes cutter 1, centre drill 2, support 3, motor 8, casing 11, main shaft 13, shakes the hand 18, case lid 20 and flange 22, it is characterized in that:

1) it also has collar bush 4, square head shaft bevel gear 5, nut bevel gear 6, screw mandrel 7, travelling gear 9, worm screw 10, bearing block 12, worm gear 14, connecting shaft helical gear 15, duplicate gear 16, square head shaft helical gear 17, handle shift fork 19, nut gear 21, V-belt 23, small pulley 24 and big belt wheel 25;

2) main shaft 13 tops are polished rod for the screw mandrel bottom, centre drill 2 is installed in the groove of main shaft 13 lower ends, cutter 1 usefulness hexagon socket head cap screw is fixed on the large end face of main shaft 13, collar bush 4 is bearing in the support 3 by bearing shell, main shaft 13 is fixed in the bearing shell of collar bush 4 and can endwisely slips, weld mutually with flange 22 collar bush 4 upper ends, square head shaft bevel gear 5 and 6 engagements of nut bevel gear and by bearing fixing on support 3, screw mandrel 7 lower ends are inserted in that screw thread interlocks in the nut bevel gear 6, and screw mandrel 7 upper ends and flange 22 are fixedly linked;

3) casing 11 usefulness hexagon socket head cap screws are connected with flange 22, travelling gear 9 is connected and fixed with worm gear 14 usefulness keys and is one, worm gear 14 is fixed in the bearing block 12, and be connected with key with main shaft 13 upper ends, bearing block 12 is bearing on the casing 11, worm screw 10 is bearing on the casing 11 by bearing, and meshes with worm gear 14;

4) connecting shaft helical gear 15 is bearing on the casing 11 by bearing, and with square head shaft helical gear 17 engagement, square head shaft helical gear 17 is fixed on the case lid 20 by axle sleeve, the axle that duplicate gear 16 is enclosed within connecting shaft helical gear 15 upward also can endwisely slip with key is fixing, respectively with travelling gear 9 and nut gear 21 engagements, handle shift fork 19 is arranged in the groove of duplicate gear 16, and nut gear 21, and interlocks with screw thread on main shaft 13 screw mandrels in the dead eye of casing 11 by bearing fixing;

5) small pulley 24 is installed on the axle of motor 8, and big belt wheel 25 is installed in the end of worm screw 10, puts V-belt 23 and constitutes a reducing gear together.

Its operation principle is as follows:

18 be enclosed within on the square toes of square head shaft bevel gear 5 shaking the hand, 18 rotate square head shaft bevel gears 5 and make 6 rotations of nut bevel gear with shaking the hand, and then make screw mandrel 7 do to move downward or upward, like this, just can make cutter 1 and centre drill 2 be toward or away from the pipeline tapping position fast; Actuating motor 8 by small pulley 24, big belt wheel 25 and V-belt 23 transmissions and deceleration, and then drives worm screw 10 and worm gear 14, drives main shaft 13 rotations; On the other hand, the travelling gear 9 that is connected as a single entity with worm gear 14 drives duplicate gear 16 rotations again, and then drive nut gear 21 rotations, make main shaft 13 because screw mandrel and nut gear 21 screw threads interlock moves down, thereby realize the autofeed milling of 1 pair of pipeline plan of its cutter position of opening; Handle shift fork 19 is upwards stirred, make on the duplicate gear 16 and slide and the engagement of disengaging and travelling gear 9, with the 18 rotation square head shaft helical gears 17 of shaking the hand, driving duplicate gear 16 rotates synchronously with connecting shaft helical gear 15, and then make nut gear 21 follow rotation, thereby realize the fast advance and retreat of main shaft 13.

Claims

1, a kind of electronic self-advancing type pipe tapping machine includes cutter (1), centre drill (2), support (3), motor (8), casing (11), main shaft (13), shake the hand (18), case lid (20) and flange (22), it is characterized in that:

1) it also has collar bush (4), square head shaft bevel gear (5), nut bevel gear (6), screw mandrel (7), travelling gear (9), worm screw (10), bearing block (12), worm gear (14), connecting shaft helical gear (15), duplicate gear (16), square head shaft helical gear (17), handle shift fork (19), nut gear (21), V-belt (23), small pulley (24) and big belt wheel (25);

2) main shaft (13) top is polished rod for the screw mandrel bottom, centre drill (2) is installed in the groove of main shaft (13) lower end, cutter (1) is fixed on the large end face of main shaft (13) with hexagon socket head cap screw, collar bush (4) is bearing in the support (3) by bearing shell, main shaft (13) is fixed in the bearing shell of collar bush (4) and can endwisely slips, weld mutually with flange (22) collar bush (4) upper end, the engagement of square head shaft bevel gear (5) and nut bevel gear (6) and by bearing fixing on support (3), screw mandrel (7) lower end is inserted in the middle screw thread of nut bevel gear (6) and is interlocked, and screw mandrel (7) upper end is fixedly linked with flange (22);

3) casing (11) is connected with flange (22) with hexagon socket head cap screw, travelling gear (9) is connected and fixed with key with worm gear (14) and is one, worm gear (14) is with fixing in the bearing block (12), and be connected with key with main shaft (13) upper end, bearing block (12) is bearing on the casing (11), worm screw (10) is bearing on the casing (11) by bearing, and meshes with worm gear (14);

4) connecting shaft helical gear (15) is bearing on the casing (11) by bearing, and mesh with square head shaft helical gear (17), square head shaft helical gear (17) is fixed on the case lid (20) by axle sleeve, the axle that duplicate gear (16) is enclosed within connecting shaft helical gear (15) upward also can endwisely slip with key is fixing, respectively with travelling gear (9) and nut gear (21) engagement, handle shift fork (19) is arranged in the groove of duplicate gear (16), nut gear (21), and interlocks with screw thread on main shaft (13) screw mandrel in the dead eye of casing (11) by bearing fixing;

5) small pulley (24) is installed on the axle of motor (8), and big belt wheel (25) is installed in the end of worm screw (10), puts V-belt (23) and constitutes a reducing gear together.