Pipe dredging device
The utility model relates to tubing dredging device technical field, particularly relates to a kind of pipe dredging device.
In well construction, cement mortar can be trapped in the pipeline such as drilling rod, oil pipe, form Behavior of Hardened Cement Paste, cannot use, can only scrap, or dredging.
Existing dredging device uses compressed air as power source.Use compressed air as the power source of tubing dredging operation, drilling rod rotation, advance and retreat, impact need to use compressed air respectively, and need to keep lasting air feed, and gas consumption greatly, cannot ensure long-term smooth air feed, cannot ensure to operate production stably.Use compressed air cleaning to bore the finished ground cement ground, and only rotary drilling grind 5-10 centimetre, namely needs to exit drilling rod, takes remaining finished ground cement in pipe out of, otherwise, bore after deeply reaching certain depth, will drilling rod be blocked.Drilling rod exits, enter and need the regular hour, and consume the production time, reduce dredging speed, production efficiency is low.During the work of Pneumatic rotary, impact part, noise is very large, and more than 84 decibels, the hearing affecting operator is healthy, impacts, be not suitable for Long-Time Service to surrounding environment.In existing equipment, the retracting device that finished ground cement is not closed, run into and blow, finished ground cement wafts with the wind, is scattered everywhere, meets water condensation, is difficult to collect, clear up.Drill bit is close to flat bottom bit, and large with cements area, cement granules is little, easily causes drilling cuttings to repeat grinding, and brill mill effect is low.Need the joint area internal diameter at the tubing two ends of dredging to be less than internal diameter of tube body, drilling rod, bit diameter must be less than internal diameter of tube body, can not remove Behavior of Hardened Cement Pastes all in body, can form a pipe of cement on pipe material inner wall.
Utility model content
In view of this, the utility model embodiment provides a kind of pipe dredging device, and main purpose is that dredging process can be crept into forward continuously, increases work efficiency.
For achieving the above object, the utility model mainly provides following technical scheme:
On the one hand, the utility model embodiment provides a kind of pipe dredging device, comprising:
Track, is fixed on described track support;
Slide block, is located on described track, and described slide block can slide along described track;
Slide-driving device, drives described slide block along described track slide anteroposterior;
Reductor, is fixed on described slide block, and the torque output shaft of described reductor is hollow splined shaft;
Rotation drive motor, is connected with described reductor, for described reductor provides input torque;
Drilling rod, is fixedly connected with the front end of described hollow splined shaft, together rotates with described hollow splined shaft;
Drill bit, is connected with the front end of drilling rod;
Rotation seal joint, is connected with the rear end rotatory sealing of described hollow splined shaft;
High-pressure pump, its delivery port is connected with described rotation seal joint by flexible duct, and provides Wash flow to drill bit via drilling rod.
As preferably, described track is fixed with drill steel support, described drill steel support is that described drilling rod provides support.
As preferably, the front end of described track is also fixed with guide plate, and described guide plate supports described drilling rod and leads.
As preferably, also comprise tank, the water inlet of described high-pressure pump is connected with described tank by water inlet pipe.
As preferably, also comprise collection box, described collection box reclaims the flush water flowed out from described bit head, described collection box is communicated with described tank, at least one screen pack is set in described tank, at least one screen pack described filters the recycle-water from collection box successively, and described high-pressure pump extracts the recycle-water after filtering.
As preferably, described support is also provided with pipeline fixing device.
As preferably, described slide-driving device comprise the wheel shaft fixed with track, the sprocket wheel be located on wheel shaft, be arranged at that chain on described sprocket wheel and drive sprocket rotate send brill motor, described slide block is fixedly connected with described chain.
As preferably, described sprocket wheel comprises by sending the drive sprocket, the fixed chain wheels of support chains and the tightener sprocket that bore motor and drive.
As preferably, the rear end of described track has the regulating block that can regulate before and after track, and described sprocket wheel also comprises tensioning and regulates sprocket wheel, and described tensioning regulates sprocket wheel to be connected with regulating block by wheel shaft.
As preferably, described track is the double track structure be made up of two parallel channel-section steels, and the both sides of described slide block have with the outside of two channel-section steels respectively along suitable chute.
As preferably, described rotation drive motor is electro-motor or hydraulic motor.
As preferably, described drill bit is connected with described drilling rod by eccentric connector, and the axis of described drill bit and the axis of described drilling rod are not on the same line and parallel.
Compared with prior art, the beneficial effects of the utility model are:
The pipe dredging device that the utility model embodiment provides is avoided using pneumatic power source, adopts motor significantly to reduce operation noise as power source.Drill bit and drilling rod eccentric setting, can remove Behavior of Hardened Cement Paste residual on inside pipe wall easily.In the process of dredging pipeline, use high pressure water impact Behavior of Hardened Cement Paste, improve the effect of broken Behavior of Hardened Cement Paste.Water under high pressure carries, wash away brill grinds bits, brill can be continued to grind bits, do not need to take brill out of with drill bit, drilling rod and grind bits, realizes continuing to creep into.Adopting retracting device that water under high pressure is recycled avoids waste liquid to the pollution of environment.Purification, filter are set, make the brill in recirculated water grind bits and effectively purified, be separated.
Accompanying drawing explanation
Fig. 1 is the structural representation of the pipe dredging device of the utility model embodiment;
Fig. 2 is the structural profile schematic diagram of the drill bit connecting portion of the pipe dredging device of the utility model embodiment.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as to restriction of the present utility model.In the following description, the not necessarily same embodiment that different " embodiment " or " embodiment " refers to.In addition, special characteristic, structure or feature in one or more embodiment can be combined by any suitable form.
Fig. 1 is the structural representation of the pipe dredging device of the utility model embodiment.As shown in Fig. 1, pipe dredging device, comprising:
Track 6, is fixed on track support;
Slide block 8, is located on track 6, and slide block 8 can along track 6 slide anteroposterior;
Slide-driving device, drives slide block 8 along track 6 slide anteroposterior;
Reductor 31, is fixed on slide block 8, and the torque output shaft of reductor 31 is hollow splined shaft 10;
Rotation drive motor 9, is connected with reductor 31, for reductor 31 provides input torque;
Drilling rod 11, is fixedly connected with the front end of hollow splined shaft 10, together rotates with hollow splined shaft 10;
Drill bit 22, is connected with the front end of drilling rod 11;
Rotation seal joint 30, is connected with the rear end rotatory sealing of hollow splined shaft 10;
High-pressure pump 35, its delivery port is connected with rotation seal joint 30 by flexible duct 32, and provides Wash flow to drill bit via drilling rod 11.
The pipe dredging device that the utility model embodiment provides adopts electro-motor or hydraulic motor to reduce noise as power source, adopts High-Pressure Water to wash away the dirt raising dredging effects such as the Behavior of Hardened Cement Paste on tube wall simultaneously, keeps creeping into continuously, improve efficiency.
Track in the utility model can be any one track in prior art.Preferred as above-described embodiment, the track 6 in the present embodiment is the double track structure be made up of two parallel channel-section steels, and the both sides of slide block 8 have with the outside of two channel-section steels respectively along suitable chute.Arrange the short tube limiting spacing between two channel-section steels, two channel-section steels are fixed as one by bolt 7 by short tube.Such slide block 8 can along track 6 slide anteroposterior reposefully.Certainly, the track structure of the present embodiment does not get rid of employing monorail structure.And slide block 8 and the fit system of track 6 also can adopt various ways, as arranged roller between slide block 8 and track 6, to make the slip of slide block 8 steady and smooth more on track 6.
Preferred as above-described embodiment, track 6 is fixed with drill steel support 16, drill steel support 16 provides support for drilling rod 11.Avoid drilling rod 11 to bend under gravity.In addition, the front end of track 6 also can be fixed with guide plate 19, and guide plate 19 pairs of drilling rods 11 support and lead.Ensure that drilling rod steady operation in dredging operation process.
Preferred as above-described embodiment, also comprise tank 37, the water inlet of high-pressure pump 35 is connected with tank 37 by water inlet pipe 36.Tank 37 provides water source for washing away pipeline.Tank 37 in the present embodiment can be the cement tub being fixed on ground, or moveable metal box, or waterwheel.Certainly, also water source is provided by pool or well.
Preferred as above-described embodiment, also comprise collection box 21, collection box 21 reclaims the flush water flowed out from bit head, collection box 21 is communicated with by water pipe 42 with tank 37, at least one screen pack 39 is set in tank 37, at least one screen pack 39 filters the recycle-water from collection box 21 successively, and high-pressure pump 35 extracts the recycle-water after filtering.Such high pressure flush water reusable edible, not only saves water source, and avoids sewage pollution environment.In the present embodiment, be provided with twice screen pack 39 pairs of recycle-waters in tank 37 and carry out twice filtration.
Support in the utility model can be overall structure, also can be Split type structure.Split type structure can move flexibly and assemble.The present embodiment medium-height trestle adopts Split type structure, and support is made up of fore-stock 17, after-poppet 14 and support of pipelines 29.
Preferred as above-described embodiment, support being also provided with pipeline fixing device, being fixed for treating dredging pipeline 26.In the present embodiment, pipeline fixing device comprises the geometrical clamp 24 of fixed-piping end and the pressing plate 28 of fixing body.Pipeline 26 to be unclogged is fixed on support by pipeline fixing device.
Preferred as above-described embodiment, slide-driving device comprises the wheel shaft fixing with track 6, the sprocket wheel be located on wheel shaft, be arranged at sending that chain 4 on sprocket wheel and drive sprocket rotate bores motor 33, and slide block 8 is fixedly connected with chain.The present embodiment drives sprocket rotation by sending brill motor 33, and sprocket wheel affects chain 4, and chain 4 draws slide block 8 and moves forward and backward along track 6, thus realizes sending brill and moving back brill.Certainly, slide-driving device also can take other modes to realize the movement of slide block 8.As arranged roller on slide block 8, rolled along track 6 by motor driving roller, thus realize slide block 8 and move along track 6.
Preferred as above-described embodiment, sprocket wheel comprises by sending the drive sprocket 13, the fixed chain wheels of support chains 4 and the tightener sprocket 12 that bore motor and drive.In addition, the rear end of track 6 arranges the regulating block 2 that can regulate before and after track 6, and sprocket wheel also comprises tensioning and regulates sprocket wheel 5, and tensioning regulates sprocket wheel 5 to be connected with regulating block 2 by wheel shaft.By adjustment regulating block 2 front and back position, the tensioning degree of chain 4 can be realized.The adjustment of regulating block 2 realizes by adjusting bolt 1.Certainly, the adjustment of other constitution realization chain 4 rates of tension of the prior art can also be adopted.
Preferred as above-described embodiment, see Fig. 2, drill bit 22 is connected with drilling rod 11 by eccentric connector 23, and the axis of drill bit 22 and the axis of drilling rod 11 are not on the same line and parallel.Like this, the Behavior of Hardened Cement Paste on tube wall can be cleaned out by drill bit 22, avoids residual annular cement stone on tube wall, needs the problem of again carrying out process such as beaing.Via drilling rod 11 and eccentric connector 23, the spray orifice 26 between the blade 25 of drill bit 22 sprays high pressure flush water.
Preferred as above-described embodiment, the power source in the utility model, comprises rotation drive motor and is preferably electro-motor or hydraulic motor.
The above; be only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.