CN104019325A - High-pressure tapping machine with built-in hydraulic oil cavity - Google Patents
High-pressure tapping machine with built-in hydraulic oil cavity Download PDFInfo
- Publication number
- CN104019325A CN104019325A CN201410274362.XA CN201410274362A CN104019325A CN 104019325 A CN104019325 A CN 104019325A CN 201410274362 A CN201410274362 A CN 201410274362A CN 104019325 A CN104019325 A CN 104019325A
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- Prior art keywords
- built
- perforator
- fluid chamber
- hydraulic fluid
- pressure
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- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 15
- 238000010079 rubber tapping Methods 0.000 title abstract 19
- 239000003921 oil Substances 0.000 claims abstract description 22
- 239000012530 fluid Substances 0.000 claims description 41
- 238000005553 drilling Methods 0.000 claims description 26
- 239000000945 filler Substances 0.000 claims description 19
- 210000004907 gland Anatomy 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/18—Appliances for use in repairing pipes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a high-pressure tapping machine with a built-in hydraulic oil cavity. The portion between the bottom face of a pressure balance sealing sleeve and the top face of a boss of a pull rod comprises the bottom face of the sealing sleeve, the top face of a screw lock nut, the bottom face of a center hole of a drill rod of the tapping machine, a gap between the drill rod and a feed screw of the tapping machine, the top face of a rotary table of a rotary driving shaft, a gap between the rotary driving shaft and the drill rod, a gap between the feed screw of the tapping machine and the pull rod of the tapping machine and a gap between the top face of the boss of the pull rod of the tapping machine and an inner hole of the screw, and the bottom face of the sealing sleeve, the top face of the screw lock nut, the bottom face of the center hole of the drill rod of the tapping machine, the gap between the drill rod and the feed screw of the tapping machine, the top face of the rotary table of the rotary driving shaft, the gap between the rotary driving shaft and the drill rod, the gap between the feed screw of the tapping machine and the pull rod of the tapping machine and the gap between the top face of the boss of the pull rod of the tapping machine and the inner hole of the screw form a pressure balance oil cavity. The high-pressure tapping machine is characterized in that the pressure balance oil cavity is connected to the built-in hydraulic oil cavity through a built-in channel. The high-pressure tapping machine has the advantages that the pressure of a medium in a pipeline is transmitted to a pressure balance mechanism of the tapping machine through hydraulic oil of the built-in hydraulic oil cavity, and then balance of upper pressure and lower pressure of the feeding screw nut in the whole tapping process of the tapping machine is achieved; the built-in hydraulic oil cavity is integrated in the tapping machine, the medium in the pipeline is isolated by the built-in hydraulic oil cavity, and working safety of the high-pressure tapping machine is guaranteed.
Description
Technical field
The invention belongs to the equipment that high pressure pipe line is safeguarded and rushed to repair, relate in particular to a kind of high pressure perforator with built-in hydraulic fluid chamber.
Background technique
Carry the manifold pressure of the various energy more and more higher.Pipeline, through the use of several years, is subject to foundation settlement, the long term of the destructive factors such as corrosion and external construction, and pipeline is all likely impaired at any time in running, need to carry out pipeline maintenance and repairing.The maintenance of current maintenance, repairing and working pipeline for important energy source conveyance conduit and the impaired leakage of production technology pipeline, normally used method is not stopping transportation, press and open holes shutoff.Therefore for high pressure pipe line, high pressure perforator becomes indispensable equipment.The high pressure perforator using at present directly utilizes pipeline medium to carry out balance, and medium need directly enter perforator pressure balancing system, often causes balance sysmte to stop up, cause perforator to work.
Claimant's (patent No.: ZL20120245496.5) disclose a kind of high pressure perforator with pressure balance mechanism, pressure balance oil pocket is set in perforator body, at perforator boring bar head, opening and passage are set, and at opening, filter screen is installed, in pipeline, medium is passed to the pressure balance oil pocket in perforator by filtering by pressure, thereby assurance perforator is normally worked under high pressure conditions.But while finding in production practices that medium is very dirty in high pressure line, perforator is prone to fault.
Summary of the invention
The present invention is in order to overcome deficiency of the prior art, a kind of high pressure perforator with built-in hydraulic fluid chamber is provided, on the pressure balance oil pocket basis arranging alone in perforator body, utilize and between the flange outer sleeve of perforator self and rotating driveshaft, hydraulic seal cover is set and forms built-in hydraulic fluid chamber, in pipeline, medium passes to the pressure balance oil pocket in perforator by built-in hydraulic fluid chamber by pressure, realized the pressure balance oil pocket that medium in pipeline can not enter perforator inside, guaranteed that perforator normally works under high pressure conditions.
The present invention for achieving the above object, be achieved through the following technical solutions, a high pressure perforator with built-in hydraulic fluid chamber, comprises feed gear box, Jian speed Chi Lun Xiang ﹑ flange outer sleeve, the perforator pull bar, feed screw, perforator drilling rod and the rotating driveshaft that by center, are outwards connected successively, the gear of described reduction gear box and rotating driveshaft keyed jointing, rotating driveshaft meshes by the key of featherway and perforator drilling rod upper end, the affixed feed screw locknut in described rotating driveshaft upper end, feed screw in described feed screw locknut and perforator drilling rod is spirally connected, the intermediate hole of described feed screw is sleeved on perforator pull bar, the rear end of described feed screw locknut is provided with pressure balance seal cover, the described bottom surface from pressure balance seal cover starts to stop to pull bar boss end face, comprise stuffing box gland bottom surface, leading screw locknut end face, perforator drilling rod intermediate hole bottom surface, gap between perforator drilling rod and feed screw, rotating driveshaft rotating disk end face, gap between rotating driveshaft and drilling rod, gap between perforator feed screw and perforator pull bar, gap between perforator pull bar boss end face and leading screw endoporus, common combination forms pressure balance oil pocket, preset hydraulic oil in described pressure balance oil pocket, it is characterized in that: described pressure balance oil pocket is connected to built-in hydraulic fluid chamber by built-in channel, described built-in hydraulic fluid chamber arranges hydraulic seal cover by the two ends, space between flange outer sleeve and rotating driveshaft and forms built-in hydraulic fluid chamber, in described built-in hydraulic fluid chamber, be full of hydraulic oil, described built-in hydraulic fluid chamber is provided with two built-in channels and is connected with described pressure balance oil pocket in perforator.
Described built-in hydraulic fluid chamber is provided with two filler openings, and one of them filler opening is connected with high pressure line with aperture combination device by high-pressure rubber pipe and rapid pipe joint, and another filler opening connects high-pressure ball valve.
Between described rotating driveshaft and hydraulic seal cover, combination seal is set, described combination seal comprises 4 O RunddichtringOs.
Beneficial effect: compared with prior art, the built-in hydraulic fluid chamber arranging has two cover filler opening and built-in channels, can make progress according to perforator, proportion size downward or the perforate direction of level and the hydraulic oil of the interior medium of pipeline and built-in hydraulic fluid chamber is selected one of them filler opening and a built-in channel, high pressure line medium is passed to the built-in pressure balance oil pocket of perforator by this filler opening and this built-in channel of this built-in hydraulic fluid chamber by pressure, realize on perforator feed screw nut, pressure balance is not when bearing any strength, also guaranteed that in pipeline, medium can not enter the built-in pressure balance oil pocket of perforator, guaranteed that perforator normally works under high pressure conditions.
Accompanying drawing explanation
Fig. 1 is perforator general structure schematic diagram;
Fig. 2 is the built-in hydraulic fluid chamber part of perforator enlarged view.
In figure: 1, feed gear box; 2, pressure balance seal cover; 3, feed screw locknut; 4, rotating driveshaft; 5, key; 6, perforator drilling rod; 7, feed screw; 8, perforator pull bar; 9, reduction gear box; 10, flange outer sleeve; 11, gear; 12, rotating driveshaft rotating disk; 13, the first built-in channel; 14, the second built-in channel; 15, high-pressure ball valve; 16, the second filler opening; 17, rapid pipe joint; 18, the first filler opening; 19, combination seal; 20, built-in hydraulic fluid chamber; 21, hydraulic seal cover.
Embodiment
Below in conjunction with preferred embodiment, to according to embodiment provided by the invention, details are as follows: refer to accompanying drawing, a kind of high pressure perforator with built-in hydraulic fluid chamber, comprise feed gear box 1, reduction gear box 9 ﹑ flange outer sleeve 10, the perforator pull bar 8, feed screw 7, perforator drilling rod 6 and the rotating driveshaft 4 that by center, are outwards connected successively, gear 11 and rotating driveshaft 4 keyed jointings of described reduction gear box, rotating driveshaft is by key 5 engagements of featherway and perforator drilling rod upper end, the affixed feed screw locknut 3 in described rotating driveshaft upper end, feed screw in described feed screw locknut and perforator drilling rod is spirally connected, the intermediate hole of described feed screw is sleeved on perforator pull bar, the rear end of described feed screw locknut is provided with pressure balance seal cover 2, the described bottom surface from pressure balance seal cover starts to stop to pull bar boss end face, comprise stuffing box gland bottom surface, leading screw locknut end face, perforator drilling rod intermediate hole bottom surface, gap between perforator drilling rod and feed screw, rotating driveshaft rotating disk 12 end faces, gap between rotating driveshaft and drilling rod, gap between perforator feed screw and perforator pull bar, between perforator pull bar raised head face and leading screw endoporus, gap common combination forms pressure balance oil pocket, preset hydraulic oil in described pressure balance oil pocket.Described pressure balance oil pocket is connected to built-in hydraulic fluid chamber 20 by the first built-in channel 13 or the second built-in channel 14.Described built-in hydraulic fluid chamber is by the two ends, space between flange outer sleeve 10 and rotating driveshaft 4, hydraulic seal cover 21 to be set to form.Described built-in hydraulic fluid chamber is provided with the first filler opening 18 and the second filler opening 16.According to one of them filler opening of the different choice of perforate direction and pipeline internal medium, by high-pressure rubber pipe and rapid pipe joint 17, be connected with high pressure line with aperture combination device, another filler opening connects high-pressure ball valve 15, and high-pressure ball valve is closed.Between described rotating driveshaft and hydraulic seal cover, combination seal 19 is set.Described combination seal comprises four O RunddichtringOs, is placed in built-in hydraulic fluid chamber two ends.Two filler openings of described built-in hydraulic fluid chamber and built-in channel, be placed in respectively built-in hydraulic fluid chamber two ends, according to perforator perforate direction (upwards, downwards or level etc.) and pipeline in proportion size one of them filler opening of selection and a built-in channel of medium and built-in hydraulic fluid chamber hydraulic oil, while guaranteeing that medium is passed to built-in pressure balance chamber by this hydraulic fluid chamber in high pressure line, pipeline internal medium does not enter built-in pressure balance chamber, guarantees the safety of perforator high pressure perforate.
Working principle:
Press and open holes shutoff belongs to excessive risk operation, before construction, must carry out overhaul of the equipments, during overhaul of the equipments, according to medium in the direction of perforate and pipeline, select filler opening and built-in channel, built-in channel is circle hole shape structure, circular-hole internal-wall is provided with pipe thread, and no built-in channel blocks with plug.Built-in hydraulic fluid chamber and built-in pressure balance chamber are full of hydraulic oil.
During work when the gear 11 of speed reducer rotates, the rotation of driven rotary live axle, rotating driveshaft drives the rotation of perforator drilling rod, the actuation gear rotation that install driven rotary live axle upper end portion simultaneously, actuation gear and the engagement of engage a gear feed gear wheel, realize the automatic feed that drives perforator drilling rod with the transmission ratio of perforator feed screw, complete perforate operation.The front end of perforator drilling rod bears boring pressure P, and pressure balance seal cover is set in the rear end of perforator drilling rod, by the gap between stuffing box gland bottom surface, leading screw locknut end face, perforator drilling rod intermediate hole bottom surface, perforator pull bar intermediate hole, perforator drilling rod and feed screw, rotating driveshaft rotating disk 12 end faces, gap between rotating driveshaft and perforator drilling rod, and the gap between perforator feed screw and perforator pull bar forms pressure balance oil pocket jointly.When perforate operation proceeds to pipeline inner high voltage medium and enters aperture combination device, high-pressure medium passes to perforator pressure balance mechanism by the built-in hydraulic fluid chamber being connected between aperture combination device and perforator self pressure balance oil pocket by the pressure of high-pressure medium, thereby reaches the pressure balanced object of perforate under perforator high pressure conditions.Meanwhile do not have drop medium to enter perforator pressure balance mechanism, guaranteed the normal work of high pressure perforate.
The above, be only preferred embodiment of the present invention, not structure of the present invention done to any pro forma restriction.Any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of technological scheme of the present invention.
Claims (5)
1. a high pressure perforator with built-in hydraulic fluid chamber, comprises feed gear box, subtracts fast tooth wheel case ﹑ flange outer sleeve, the perforator pull bar, feed screw, perforator drilling rod and the rotating driveshaft that by center, are outwards connected successively, the gear of described reduction gear box and rotating driveshaft keyed jointing, rotating driveshaft meshes by the key of featherway and perforator drilling rod upper end, the affixed feed screw locknut in described rotating driveshaft upper end, feed screw in described feed screw locknut and perforator drilling rod is spirally connected, the intermediate hole of described feed screw is sleeved on perforator pull bar, the rear end of described feed screw locknut is provided with pressure balance seal cover, from the bottom surface of pressure balance seal cover, start to stop to pull bar boss end face, comprise stuffing box gland bottom surface, leading screw locknut end face, perforator drilling rod intermediate hole bottom surface, gap between perforator drilling rod and feed screw, rotating driveshaft rotating disk end face, gap between rotating driveshaft and drilling rod, gap between perforator feed screw and perforator pull bar, gap between perforator pull bar boss end face and leading screw endoporus, common combination forms pressure balance oil pocket, preset hydraulic oil in described pressure balance oil pocket, it is characterized in that: described pressure balance oil pocket is connected to built-in hydraulic fluid chamber by built-in channel, described built-in hydraulic fluid chamber arranges hydraulic seal cover by the two ends, space between flange outer sleeve and rotating driveshaft and forms built-in hydraulic fluid chamber, in described built-in hydraulic fluid chamber, be full of hydraulic oil, described built-in hydraulic fluid chamber is provided with two built-in channels and is connected with described pressure balance oil pocket in perforator.
2. the high pressure perforator with built-in hydraulic fluid chamber according to claim 1, it is characterized in that: described built-in hydraulic fluid chamber is provided with two filler openings, one of them filler opening is connected with high pressure line with aperture combination device by high-pressure rubber pipe and rapid pipe joint, and another filler opening connects high-pressure ball valve.
3. the high pressure perforator with built-in hydraulic fluid chamber according to claim 1 and 2, is characterized in that: between described rotating driveshaft and hydraulic seal cover, combination seal is set, described combination seal comprises 4 O RunddichtringOs.
4. the high pressure perforator with built-in hydraulic fluid chamber according to claim 3, is characterized in that: two filler openings of described built-in hydraulic fluid chamber and built-in channel, be placed in respectively built-in hydraulic fluid chamber two ends.
5. the high pressure perforator with built-in hydraulic fluid chamber according to claim 4, is characterized in that: described built-in channel is circle hole shape structure, and circular-hole internal-wall is provided with pipe thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410274362.XA CN104019325A (en) | 2014-06-19 | 2014-06-19 | High-pressure tapping machine with built-in hydraulic oil cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410274362.XA CN104019325A (en) | 2014-06-19 | 2014-06-19 | High-pressure tapping machine with built-in hydraulic oil cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104019325A true CN104019325A (en) | 2014-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410274362.XA Pending CN104019325A (en) | 2014-06-19 | 2014-06-19 | High-pressure tapping machine with built-in hydraulic oil cavity |
Country Status (1)
| Country | Link |
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| CN (1) | CN104019325A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6012878A (en) * | 1997-12-02 | 2000-01-11 | Tdw Delaware, Inc. | Pressure balanced subsea tapping machine |
| CN102661469A (en) * | 2012-05-29 | 2012-09-12 | 天津市江达扬升工程技术有限公司 | High-pressure tapping machine with pressure balancing mechanism |
| CN103511792A (en) * | 2013-10-28 | 2014-01-15 | 北京金石湾管道技术有限公司 | High-pressure tapping machine with external pressure balance cylinder |
| CN203940174U (en) * | 2014-06-19 | 2014-11-12 | 余本源 | The high pressure perforator with built-in hydraulic fluid chamber |
-
2014
- 2014-06-19 CN CN201410274362.XA patent/CN104019325A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6012878A (en) * | 1997-12-02 | 2000-01-11 | Tdw Delaware, Inc. | Pressure balanced subsea tapping machine |
| CN102661469A (en) * | 2012-05-29 | 2012-09-12 | 天津市江达扬升工程技术有限公司 | High-pressure tapping machine with pressure balancing mechanism |
| CN103511792A (en) * | 2013-10-28 | 2014-01-15 | 北京金石湾管道技术有限公司 | High-pressure tapping machine with external pressure balance cylinder |
| CN203940174U (en) * | 2014-06-19 | 2014-11-12 | 余本源 | The high pressure perforator with built-in hydraulic fluid chamber |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN ZHUODA PIPELINE MACHINERY MANUFACTURING CO Free format text: FORMER OWNER: YU BENYUAN Effective date: 20150420 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300181 HEDONG, TIANJIN TO: 300402 BEICHEN, TIANJIN |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20150420 Address after: 300402 Beichen District, Tianjin Xiao Dian Industrial Park Applicant after: Tianjin Zhuoda Pipeline Machinery Manufacturing Co., Ltd. Address before: 300181, building 2, building 5, West Lane, Longtan Road, Hedong District, Tianjin, 301 Applicant before: Yu Benyuan |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140903 |