CN206405466U - A kind of lower drive formula tapping machine - Google Patents

Abstract

The utility model is related to drive formula tapping machine under one kind, including nose assembly, frame assembly and main transmission component, the nose assembly is located at the top of frame assembly, it includes the differential attachment and clutch of drive connection, the main transmission component is located at the lower section of frame assembly, main transmission component is placed in the lower section of frame assembly by the utility model, using lower drive formula structure, frame assembly is avoided top-heavy phenomenon occur, effectively improve the stability of Tapping procedures, rotated by the original position of leading screw, realize fast feed or the retraction of main shaft, coordinated by the driving of drive sleeve and main transmission component, realize the rotation in situ of drive sleeve, so as to drive main shaft to realize radial rotary, realize that main shaft carries out axial feed while radial rotary by the cooperation of drive sleeve and differential attachment, promote main shaft by constant amount of feeding auto-feed, it is efficiently completed perforate operation, it is big with perforate moment of torsion, opening capability is strong, performance is stable, the characteristics of operating simple.

Description

A kind of lower drive formula tapping machine

Technical field

The utility model is related to the maintenance, repairing, transformation field of the gathering lines such as oil, natural gas and product oil, specifically Say the lower drive formula tapping machine for being related to a kind of gathering line stopping transportation pressure work in ground.

Background technology

Press and open holes are a kind of safe and environment-friendly, economic, efficient working pipeline dimension damage repair technologies, it is adaptable to crude oil, finished product The normal maintenance transformation and the repairing of burst accident of the medium pipeline such as oil, chemical medium, natural gas, it is such as with pressure to rush to repair, more Change the operations such as corrosion pipeline section, attachment means, point defeated transformation.Using stopping transportation pressure perforate, it can be suppressed open in the case of on-line production Hole, makes device while maintaining normal production run, reduces production suspension induced losses.

Tapping machine is the conventional equipment of pipeline dimension repairing, and a kind of existing remote controlled Pressurized driller for pipeline is (specially Profit number is 201610336550.x), using upper drive formula structure, perforate moment of torsion is small, swaging clamp, the phenomenon of vexed knife easily occurs, in addition, Easily occur top-heavy situation during perforate machine operation, so that body is rocked, and make Tapping procedures unstable.

Utility model content

For a variety of deficiencies of prior art, in order to solve the above problems, it is proposed that a kind of lower drive formula tapping machine.

To achieve the above object, the utility model provides following technical scheme：

A kind of lower drive formula tapping machine, including nose assembly, frame assembly and main transmission component, the nose assembly are located at machine The top of body component, it includes the differential attachment and clutch of drive connection, and the main transmission component is located at frame assembly Lower section；

The frame assembly ecto-entad includes drive sleeve, the main shaft in drive sleeve, the driving successively Sleeve is connected with differential attachment, main transmission Component driver respectively, and the main shaft is placed in the guide key groove of drive sleeve by key, Main shaft can axially move in drive sleeve, transmission nut and leading screw are provided with inside the main shaft, the lower end of the leading screw is passed through Transmission nut is worn, its upper end is connected with differential attachment.

Further, the differential attachment includes leading screw big sprocket wheel, leading screw minor sprocket, driving big sprocket wheel and driving minor sprocket, The leading screw big sprocket wheel is located on leading screw, and it is engaged with leading screw minor sprocket, and the driving big sprocket wheel is located in drive sleeve, and It is engaged with driving minor sprocket.

Further, the clutch includes clutch hydraulic motor, clutch shaft, shift fork, the action bars being connected with shift fork, institute State and leading screw minor sprocket, shift fork and driving chainlet, the output shaft of the clutch shaft and clutch hydraulic motor are sequentially provided with clutch shaft Connection, the action bars drives shift fork to be slided on clutch shaft, when shift fork is engaged with driving minor sprocket, realizes the automatic of main shaft Feeding, when shift fork unclamps with driving minor sprocket, realizes fast feed or the retraction of main shaft.

Further, the nose assembly also includes head box, and the differential attachment and clutch are respectively positioned in head box, The periphery of the drive sleeve is also arranged with outer sleeve, and the head box is connected by connector with outer sleeve.

Further, the main transmission component includes main transmission casing, main transmission hydraulic motor and positioned at main transmission casing Interior main transmission gear wheel and main drive pinion, the main drive pinion are located on the output shaft of main transmission hydraulic motor, And it is meshed with main transmission gear wheel, the main transmission gear wheel is located in drive sleeve, and the main transmission casing passes through even Fitting is connected with outer sleeve.

Further, in addition to adapter sleeve, one end of the adapter sleeve is connected by connector with main transmission component, and its is another End is connected with aperture combination device, is machined with inside the adapter sleeve in shoulder hole, the shoulder hole and is sequentially installed with guide sleeve, group Close sealing ring, spring and locknut.

Further, the lower end of the main shaft is provided with knife bar, and the centre bore of knife bar insertion leading screw.

Further, in addition to mark post mechanism, the mark post mechanism includes mark post and the handwheel at the top of mark post, the mark The bottom of bar is connected with knife bar.

The beneficial effects of the utility model are：

Main transmission component is placed in the lower section of frame assembly, using lower drive formula structure, it is to avoid nose heave pin occurs in frame assembly Light phenomenon, effectively improves the stability of Tapping procedures, is rotated by the original position of leading screw, realizes the fast feed of main shaft or returns Contracting, is coordinated by the driving of drive sleeve and main transmission component, the rotation in situ of drive sleeve is realized, so as to drive main shaft to realize Radial rotary, realizes that main shaft carries out axial feed while radial rotary by the cooperation of drive sleeve and differential attachment, promotees Make main shaft by constant amount of feeding auto-feed, be efficiently completed perforate operation, with perforate moment of torsion is big, opening capability is strong, property The characteristics of stablizing, operate simple.

Brief description of the drawings

Fig. 1 is overall structure diagram of the present utility model；

Fig. 2 is nose assembly structural representation of the present utility model；

Fig. 3 is main transmission modular construction schematic diagram of the present utility model；

Fig. 4 is frame assembly structural representation of the present utility model；

Fig. 5 is connecting jacket structure schematic diagram of the present utility model.

In accompanying drawing：1- nose assemblies, 101- driving big sprocket wheel, 102- driving minor sprocket, 103- leading screws big sprocket wheel, 104- Thick stick minor sprocket, 105- clutches hydraulic motor, 106- clutch shafts, 107- shift forks, 108- action bars, 109- head box, 2- fuselage groups Part, 201- outer sleeves, 202- drive sleeves, 203- main shafts, 204- transmission nuts, 205- leading screws, 206- knife bars, 207- connections Part, 208- main axis protective sleeves, 3- main transmissions component, 301- main transmissions hydraulic motor, 302- main transmissions gear wheel, 303- main transmissions Little gear, 304- main transmissions casing, 4- adapter sleeves, 401- guide sleeves, 402- combined seal rings, 403- springs, 404- locknuts, 5- Mark post, 6- handwheels, 7- aperture combinations device, 8- sandwich valves, 9- closure threeway, 10- pipelines, 11- cutters colligator, 12- perforates cylinder Knife, 13- centre drills.

Embodiment

In order that those skilled in the art more fully understand the technical solution of the utility model, with reference to of the present utility model Accompanying drawing, clear, complete description is carried out to the technical solution of the utility model, based on the embodiment in the application, this area is general Other class be the same as Examples that logical technical staff is obtained on the premise of creative work is not made, should all belong to the application The scope of protection.Only it is refer to the attached drawing such as " on " " under " " left side " " right side " in addition, the direction word mentioned in following examples Direction, therefore, the direction word used is for illustrative and not limiting the invention.

The utility model is described in further detail with preferred embodiment below in conjunction with the accompanying drawings.

Embodiment one：

As shown in figure 1, a kind of lower drive formula tapping machine, including nose assembly 1, frame assembly 2, main transmission component 3 and connection Set 4, the nose assembly 1 is located at the top of frame assembly 2, and the main transmission component 3 is located at the lower section of frame assembly 2, uses Lower drive formula structure, it is to avoid top-heavy phenomenon occurs in frame assembly, effectively improves the stability of Tapping procedures, the adapter sleeve 4 one end is connected by connector with main transmission component 3, and its other end is connected with aperture combination device 7.

As Figure 1-4, the nose assembly 1 includes setting the differential of drive connection in head box 109, head box 109 Mechanism and clutch.The differential attachment includes the leading screw big sprocket wheel 103 that is meshed and leading screw minor sprocket 104, be meshed Big sprocket wheel 101 and driving minor sprocket 102 are driven, the leading screw big sprocket wheel 103 is located on leading screw 205, and both are fixedly connected, institute Driving big sprocket wheel 101 is stated to be located at the shaft end in drive sleeve 202 and fix by end caps.The clutch includes clutch Set successively on hydraulic motor 105, clutch shaft 106, shift fork 107, the action bars 108 being connected with shift fork 107, the clutch shaft 106 There are leading screw minor sprocket 104, shift fork 107 and driving minor sprocket 102, driving minor sprocket 102 can be rotated freely on clutch shaft 106, The clutch shaft 106 is connected with the output shaft of clutch hydraulic motor 105.

The ecto-entad of frame assembly 2 includes outer sleeve 201, drive sleeve 202 and main shaft 203, the overcoat successively The upper end of cylinder 201 is connected by connector with head box 109, and its lower end is connected by connector 207 with main transmission casing 304, The main shaft 203 is arranged in drive sleeve 202, meanwhile, the main shaft 203 is placed in the feather key of drive sleeve 202 by key In groove, main shaft 203 can axially move in drive sleeve 202, also, main shaft 203 being capable of radial direction synchronous with drive sleeve 202 Rotation.In addition, the inside of main shaft 203 is provided with transmission nut 204 and leading screw 205, the lower end of the leading screw 205 is through transmission spiral shell Mother 204, its upper end is connected with leading screw big sprocket wheel 103, when leading screw 205 is in situ to be rotated, drives main shaft 203 along drive sleeve 202 axially move, and realize that main shaft 203 feeds or bounced back, the lower end connection cutter colligator 11 of the main shaft 203, band moving knife Clutch of signing an undertaking 11 feeds or bounced back, and the lower end of the main shaft 203 is provided with knife bar 206, knife bar 206 load from the lower section of main shaft 203 and In the centre bore of embedded leading screw 205, the lower end of knife bar 206 completes axial restraint using combination sealing and knife bar locknut.

The main transmission component 3 includes main transmission casing 304, main transmission hydraulic motor 301 and positioned at main transmission casing The main transmission gear wheel 302 and main drive pinion 303 being meshed in 304, the main drive pinion 303 are located at main transmission liquid On the output shaft of pressure motor 301, the main transmission gear wheel 302 is installed on the shaft end of drive sleeve 202 and by end caps It is fixed.

When main transmission hydraulic motor 301 works, main drive pinion 303, main transmission gear wheel 302 is driven to rotate, it is real Existing drive sleeve 202, the radial rotary of main shaft 203.During the radial rotary of drive sleeve 202, drive driving big sprocket wheel 101, Driving minor sprocket 102 is rotated, and the action bars 108 drives shift fork 107 to be slided on clutch shaft 106, when shift fork 107 is small with driving When sprocket wheel 102 completes occlusion, driving minor sprocket 102 drives 103 turns of clutch shaft 106, leading screw minor sprocket 104 and leading screw big sprocket wheel Dynamic, leading screw big sprocket wheel 103 is different from the number of teeth of main transmission gear wheel 302, and differential is formed between leading screw 205 and main shaft 203, realizes The auto-feed of main shaft 203.When shift fork 107 unclamps with driving minor sprocket 102, start clutch hydraulic motor 105, drive leading screw Minor sprocket 104 and clutch shaft 106 are rotated, and then drive leading screw big sprocket wheel 103 to rotate, and are promoted leading screw 205 is in situ to rotate, are realized master The fast feed of axle 203 or retraction.

As shown in Fig. 1, Fig. 3, Fig. 4, Fig. 5, shoulder hole is machined with inside the adapter sleeve 4, one end of the adapter sleeve 4 leads to Cross connector to be connected with main transmission casing 304, its other end is connected with aperture combination device 7, be sequentially installed with the shoulder hole Guide sleeve 401, combined seal ring 402, spring 403 and locknut 404, guide sleeve 401, combined seal ring 402 are respectively to main shaft 203 Play righting-oriented and sealing function.

As Figure 1 and Figure 4, the tapping machine also includes mark post mechanism, and the mark post mechanism includes mark post 5 and positioned at mark The handwheel 6 at the top of bar 5, the bottom of the mark post 5 is connected with knife bar 206, the mark post 5 be it is shaft-like, its excircle provided with Millimeter is the dimension figure of unit, and mark post 5, knife bar 206 and the synchronizing moving of main shaft 203 promote main shaft 203 by the constant amount of feeding Auto-feed.

As Figure 1-5, the course of work of the tapping machine is as follows：Stirring action bars 108 promotes shift fork 107 small with driving Sprocket wheel 102 is unclamped, and starts clutch hydraulic motor 105, and leading screw 205 is in situ to be rotated, and drives main shaft 203 to move axially, until main shaft 203 end is located at the outer 200mm of the end face of aperture combination device 7, loads cutter colligator 11 in the end of main shaft 203, by perforate cylinder In the installation of knife 12 and cutter colligator 11, then by centre drill 13 on cutter colligator 11, after Cutting tool installation manner is finished, by master Axle 203 is retracted, untill treating that perforate cylinder knife 12 is fully retracted in aperture combination device 7.

Closure threeway 9 is welded on pipeline 10, sandwich valve 8 is arranged in closure threeway 9, opening for cutter will be assembled Hole machine is assemblied on sandwich valve 8 with the entirety of aperture combination device 7, in strict accordance with tap operation guidelines tapping machine, completes perforate Operation.

The utility model is described in detail above, it is described above, only the preferred embodiment of the utility model and , it is when the utility model practical range can not be limited, i.e., all to make equivalent changes and modifications according to the application scope, it all should still belong to this In utility model covering scope.

Claims (8)

1. a kind of lower drive formula tapping machine, including nose assembly, frame assembly and main transmission component, it is characterised in that the head Component is located at the top of frame assembly, and it includes the differential attachment and clutch of drive connection, and the main transmission component is located at The lower section of frame assembly；

The frame assembly ecto-entad includes drive sleeve, the main shaft in drive sleeve, the drive sleeve successively It is connected respectively with differential attachment, main transmission Component driver, the main shaft is placed in the guide key groove of drive sleeve by key, main shaft It can be axially moved in drive sleeve, transmission nut and leading screw are provided with inside the main shaft, the lower end of the leading screw is through biography Dynamic nut, its upper end is connected with differential attachment.

2. a kind of lower drive formula tapping machine according to claim 1, it is characterised in that the differential attachment includes the big chain of leading screw Wheel, leading screw minor sprocket, driving big sprocket wheel and driving minor sprocket, the leading screw big sprocket wheel is located on leading screw, and itself and leading screw chainlet Wheel engagement, the driving big sprocket wheel is located in drive sleeve, and it is engaged with driving minor sprocket.

3. a kind of lower drive formula tapping machine according to claim 2, it is characterised in that the clutch includes clutch hydraulic pressure Leading screw minor sprocket, shift fork and driving are sequentially provided with motor, clutch shaft, shift fork, the action bars being connected with shift fork, the clutch shaft Chainlet, the clutch shaft is connected with the output shaft of clutch hydraulic motor, and the action bars drives shift fork to be slided on clutch shaft, when When shift fork is engaged with driving minor sprocket, the auto-feed of main shaft is realized, when shift fork unclamps with driving minor sprocket, main shaft is realized Fast feed or retraction.

4. formula tapping machine is driven under one kind according to Claims 2 or 3, it is characterised in that the nose assembly also includes machine Head case, the differential attachment and clutch are respectively positioned in head box, and the periphery of the drive sleeve is also arranged with outer sleeve, institute Head box is stated to be connected with outer sleeve by connector.

5. a kind of lower drive formula tapping machine according to claim 4, it is characterised in that the main transmission component includes main transmission Casing, main transmission hydraulic motor and main transmission gear wheel and main drive pinion in main transmission box body, the main biography Dynamic little gear is located on the output shaft of main transmission hydraulic motor, and it is meshed with main transmission gear wheel, the main transmission canine tooth Wheel is located in drive sleeve, and the main transmission casing is connected by connector with outer sleeve.

6. a kind of lower drive formula tapping machine according to claim 1, it is characterised in that also including adapter sleeve, the adapter sleeve One end be connected by connector with main transmission component, its other end is connected with aperture combination device, is processed inside the adapter sleeve Have in shoulder hole, the shoulder hole and be sequentially installed with guide sleeve, combined seal ring, spring and locknut.

7. a kind of lower drive formula tapping machine according to claim 1, it is characterised in that the lower end of the main shaft is provided with knife bar, And in the centre bore of knife bar insertion leading screw.

8. a kind of lower drive formula tapping machine according to claim 7, it is characterised in that also including mark post mechanism, the mark post Mechanism includes mark post and the handwheel at the top of mark post, and the bottom of the mark post is connected with knife bar.