CN1463815A

CN1463815A - All-purpose power-driven self-crawling type pipe cutter

Info

Publication number: CN1463815A
Application number: CN 02113175
Authority: CN
Inventors: 焦发兆
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-06-17
Filing date: 2002-06-17
Publication date: 2003-12-31

Abstract

The universal electric self-climbing pipe cutting machine includes at least one chain, which is around the cut pipe and used in as the track for the machine to climb around the pipe; climbing mechanism, which consists of at least one pair of climbing wheels and chain wheels set coaxially with the climbing wheels and meshed with the chain for driving; and cutting unit, which includes frame revolving around the cut pipe together with the climbing mechanism and rotating cutter driven with motor to cut pipe wall. The present invention is not limited by the diameter of the cut pipes, integrates grinding, milling, plasma cutting, oxygen cutting and other cutting modes together, and is waterproof, explosionproof, suitable for various work environments, and applicable in petroleum, chemical, water supplying, draining and other industries.

Description

All-purpose power-driven self-crawling type pipe cutter

The present invention relates to pipe cutter, more particularly, is a kind of electronic pipe cutter that is particularly useful for outdoor or field pipeline operation.

Background technology:

In different conglomerate such as building, chemical industry, environmental protection, mining, no matter be to rushing to repair in the pipeline breaking of shipment row, to tubulature road relocating, the still installation of newly-built pipeline all exists the pipeline cutting problem in the outdoor or open-air specific environment inevitably.This specific environment also may be under the hole or under the water medium severe condition.Cause current state-of-the-art cutting technique to comprise that laser cutting, water cutting, electric spark cutting etc. all can't use because of the huge restriction heavy and service condition of equipment.Though some small-sized electronic pipe cutters are arranged, respectively be cut caliber, be cut material, operating environment etc. much conveniently is restricted and can not a tractor serves several purposes.

Technical problem to be solved by this invention is to avoid existing problem in the above-mentioned prior art, and a kind of all-purpose power-driven self-crawling type pipe cutter that can be widely used in various calibers, various material and various operating environments is provided.

The technical scheme that technical solution problem of the present invention is adopted is:

Design feature of the present invention is:

The present invention includes at least one rhizosphere around be cut pipe, with the body lock ring be cut the pipe periphery and as body at the chain of the track of creeping that is cut the pipe periphery; Described body comprises climbing mechanism and cuts tool, described climbing mechanism by with motor-driven at least one pair of crawling wheel, with the coaxial setting of crawling wheel and with the chain engages transmission so that body form the sprocket wheel that revolves round the sun and constitute being cut the pipe periphery; The described tool that cuts is being frame with climbing mechanism at the fixed mount that is cut pipe periphery revolution, cut have on the tool motor-driven, be cut the cutter head that forms rotation on the tube wall.

Compared with the prior art, of the present invention producing effect is embodied in:

1, pipe cutter body of the present invention is to be located at by the periphery in Pipe Cutting road by the chain hoop, and with the creep track of chain as body, the length of suitably regulating chain can be adapted to different tube diameters by the Pipe Cutting road.Therefore, on fixed form, not limited by caliber, firmly firm, can guarantee that slot is smooth, the position is accurate.

2, the present invention can be arranged on the tool that cuts that cuts on the tool frame by direct replacing and makes it be widely used in different materials with multiple cutting modes such as grinding, milling, gas cuttings.Comprise that the present invention adopts synthetic diamond blade high-speed grinding cutting for being cut the cutting that the boundary is known as the armored concrete pipe of cement of a difficult problem and plain cast iron pipe, ductile iron pipe in the world; Mould pipe, plastic-aluminum steel etc. for seamless steel pipe, seamed steel pipe, steel and adopt carbide alloy or HSS sawblade milling cutter milling cutting; For the superhard alloy steel conduit, adopt plasma and oxygen cutting.

3, machine volume of the present invention is little, in light weight, easy for installation, and creeping automatically in its cutting process need not manually-operated, in being specially adapted to cheat and other narrow operating space.

4, the present invention can make it can be widely used in various industries such as water delivery, gas transmission, oil transportation, chemical industry, and can adapt to any specific environment by motor being carried out waterproof and explosion-proof setting, has the effect of one-machine-multi-function.

The drawing explanation:

Fig. 1 is master's TV structure schematic diagram of the present invention.

Fig. 2 is a plan structure schematic diagram of the present invention.

Fig. 3, Fig. 4, Fig. 5 are the present invention creep wheel carrier and cutter head different conditions structural representation.

Fig. 6 is a delivering gear structural representation of the present invention.

Fig. 7, Fig. 8 change the view that difference is cut tool for the present invention.

The specific embodiment:

Referring to Fig. 1, Fig. 2, present embodiment comprises at least one rhizosphere around being cut pipe 1, body 2 is being cut pipe 1 periphery by leading block 8 lock rings, and as body 2 at the chain 3 of the track of creeping that is cut pipe 1 periphery.

Shown in the figure, body 2 comprises climbing mechanism and cuts tool, climbing mechanism by with motor-driven at least one pair of crawling wheel 4, with crawling wheel 4 coaxial settings and with chain 3 engaged transmission so that body 2 form the sprocket wheel 5 that revolves round the sun and constitute being cut pipe 1 periphery.Cut tool and be with climbing mechanism at the fixed mount that is cut the revolution of pipe 1 periphery for cutting tool frame 6, cut have on the tool motor-driven, at the cutter head 7 that is being cut formation rotation on pipe 1 tube wall.

Referring to Fig. 2, be provided with the bi-motor structure of separate work in this enforcement, comprise inchworm motor 10 and cutting blade motor 11.Cutting tool is the removable overall structure of independence that is made of cutting blade motor 11 and cutter head 7.This structure setting not only is convenient to cut the integral replacing of tool, can also greatly cut down the consumption of energy simultaneously, alleviates complete machine weight.Wherein, inchworm motor 10 power only are 40W, owing to independent the setting exempted speed changing structure.In concrete the enforcement,, will be used to install the tool frame 6 of cutting of cutting tool and be set to collar, also i.e. half slide structure shown in the figure for the ease of changing.Fig. 7 is illustrated in to cut the tool that cuts with milling cutter head 22 is installed in the tool frame 6, Figure 8 shows that and adopts gas cutting to cut tool 23.

Fig. 1, Fig. 3, Fig. 4 and Fig. 5 illustrate, and the adjustable hinge type of span " ∧ " the shape wheel carrier 9 of creeping is set in the present embodiment, and crawling wheel 4 is symmetricly set on " ∧ " shape and creeps on the two ends leg of wheel carrier 9.The crawling wheel 4 that is provided with straddles on the lateral wall that is cut pipe 1 in pairs.Creep wheel carrier 9 of " ∧ " shape adopts the governor motion of feed screw nut pairs, rotate tensioning handwheel 12, nut 13 moves up and down the angle that can change connecting rod 21 on screw mandrel 14, thereby changes the creep span of wheel carrier 9 of " ∧ " shape, to be adapted to the different calibers that is cut.Fig. 3 is the maximum span of wheel carrier 9 of creeping, this state cutting caliber maximum, and along with reducing of its span, the cutting caliber is also reducing.

Referring to Fig. 6, the Worm-gear type delivering gear that is made of worm gear 19 and worm screw 16 is set in the present embodiment, feed handwheel 15 connects firmly on worm shaft, and worm set 17 is fixedly installed on the body, cuts tool frame 6 and fixedlys connected with worm-wheel shaft 20 by connecting plate 18.Feed handwheel 15 by worm screw 16 drive worm gears 19 with the plane of the axis normal that is cut pipe in rotate, be fixed on the cutter head 7 that cuts on the tool frame 6 in the radially depth of cut that is being cut on pipe 1 sidewall thereby change.

In addition, in order to adapt to different enforcement worker environment, inchworm motor 10 and cutting blade motor 11 can adopt waterproof, safeguard construction setting such as explosion-proof.

In order to make installation process more quick and easy, can and cut tool with body and carry out partial installation.At first body is placed on by on the relevant position of Pipe Cutting, chain is installed, adjust the tensioning handwheel, the body lock ring is being cut on the pipe by chain.Subsequently, will cut the tool integral installation in cutting the tool frame.

During use, at first inchworm motor is arranged on the neutral position, climbing mechanism is in inactive state.Start cutting blade motor, rotate the feed handwheel in the cutter head rotation, make cutter head carry out radially feed when rotating, the tube wall that is cut until this position is cut and is worn.Subsequently, inchworm motor is arranged on the work gear, drive sprocket and chain form engaged transmission, chain is because of friction and be cut and form stationary fit between the pipe, and therefore, it is that track forms revolution in the periphery that is being cut pipe with the chain that the rotation of sprocket wheel will drive body, meanwhile, cutter head cuts tube wall, and after climbing mechanism rotated a week, the cutting of pipeline complete cycle was promptly accused and finished.

Claims

1, all-purpose power-driven self-crawling type pipe cutter is characterized in that comprising that at least one rhizosphere is around being cut pipe (1), body (2) being cut pipe (1) periphery and as the chain (3) of body (2) at the track of creeping that is cut pipe (1) periphery by leading block (8) hoop; Described body (2) comprises climbing mechanism and cuts tool, described climbing mechanism by with motor-driven at least one pair of crawling wheel (4), with the coaxial setting of crawling wheel (4) and with chain (3) engaged transmission so that body (2) forms sprocket wheel (5) formation that revolves round the sun being cut pipe (1) periphery; The described tool that cuts is tool on to have motor-driven, be cut pipe (1) tube wall on formation rotation cutter head (7) at the fixed mount that is cut the revolution of pipe (1) periphery for cutting tool frame (6), cutting with climbing mechanism.

2, all-purpose power-driven self-crawling type pipe cutter according to claim 1, it is characterized in that being provided with the adjustable hinge type of span " ∧ " the shape wheel carrier (9) of creeping, crawling wheel (4) is symmetricly set on " ∧ " shape and creeps on the two ends leg of wheel carrier (9), and the crawling wheel (4) that is provided with straddles and is cut on pipe (1) lateral wall in pairs.

3, all-purpose power-driven self-crawling type pipe cutter according to claim 1, it is characterized in that being provided with the bi-motor structure that works alone, comprise inchworm motor (10) and cutting blade motor (11), the described tool that cuts is the removable overall structure of independence that is made of cutting blade motor (11) and cutter head (7).

4, all-purpose power-driven self-crawling type pipe cutter according to claim 3 is characterized in that being used to install the removable tool frame (6) of cutting of cutting tool mechanism is Spring Clip.

5, according to claim 1 or 2 or 3 or 4 described all-purpose power-driven self-crawling type pipe cutters, it is characterized in that being provided with the Worm-gear type delivering gear that constitutes by worm gear (19) and worm screw (16), feed handwheel (15) connects firmly on worm shaft, worm set (17) is fixedly installed on the body, cuts tool frame (6) and fixedlys connected with worm-wheel shaft (20) by connecting plate (18).

6,, it is characterized in that described motor (10,11) has waterproof, blast resistance construction setting according to claim 1 or 3 described all-purpose power-driven self-crawling type pipe cutters.