CN203940174U - The high pressure perforator with built-in hydraulic fluid chamber - Google Patents
The high pressure perforator with built-in hydraulic fluid chamber Download PDFInfo
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- CN203940174U CN203940174U CN201420327813.7U CN201420327813U CN203940174U CN 203940174 U CN203940174 U CN 203940174U CN 201420327813 U CN201420327813 U CN 201420327813U CN 203940174 U CN203940174 U CN 203940174U
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- perforator
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- hydraulic fluid
- feed screw
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Abstract
The utility model relates to a kind of high pressure perforator with built-in hydraulic fluid chamber, 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, between the boss end face of perforator pull bar and leading screw endoporus, gap forms 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.Beneficial effect: by built-in hydraulic fluid chamber hydraulic oil, the pressure of medium in pipeline is passed to perforator pressure balance mechanism, thereby realized the upper and lower pressure balance of feed screw nut of perforator perforate overall process.Built-in hydraulic fluid chamber has a style of one's own in perforator, and in pipeline, medium is isolated by built-in hydraulic fluid chamber, has guaranteed high pressure perforator work safety.
Description
Technical field
The utility model belongs to the equipment that high pressure pipe line is safeguarded and rushed to repair, and relates 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 (patent No.: ZL2012 0245496.5) discloses 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.
Model utility content
The utility model 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 utility model for achieving the above object, be achieved through the following technical solutions, a kind of high pressure perforator with built-in hydraulic fluid chamber, comprise 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 the embodiment providing according to the utility model, 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 utility model, not structure of the present utility model done to any pro forma restriction.Any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of the technical solution of the utility model.
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 |
|---|---|---|---|
| CN201420327813.7U CN203940174U (en) | 2014-06-19 | 2014-06-19 | The high pressure perforator with built-in hydraulic fluid chamber |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420327813.7U CN203940174U (en) | 2014-06-19 | 2014-06-19 | The high pressure perforator with built-in hydraulic fluid chamber |
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| CN203940174U true CN203940174U (en) | 2014-11-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019325A (en) * | 2014-06-19 | 2014-09-03 | 余本源 | High-pressure tapping machine with built-in hydraulic oil cavity |
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2014
- 2014-06-19 CN CN201420327813.7U patent/CN203940174U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019325A (en) * | 2014-06-19 | 2014-09-03 | 余本源 | High-pressure tapping machine with built-in hydraulic oil cavity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN ZHUODA PIPELINE MACHINERY MANUFACTURING CO Free format text: FORMER OWNER: YU BENYUAN Effective date: 20150506 |
|
| 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 |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150506 Address after: 300402 Beichen District, Tianjin Xiao Dian Industrial Park Patentee after: Tianjin Zhuoda Pipeline Machinery Manufacturing Co., Ltd. Address before: 300181, Hedong District, Hedong Road, Tianjin, 5 West building, 2, 301 Patentee before: Yu Benyuan |