CN203680186U - Union expanding device - Google Patents
Union expanding device Download PDFInfo
- Publication number
- CN203680186U CN203680186U CN201320715217.1U CN201320715217U CN203680186U CN 203680186 U CN203680186 U CN 203680186U CN 201320715217 U CN201320715217 U CN 201320715217U CN 203680186 U CN203680186 U CN 203680186U
- Authority
- CN
- China
- Prior art keywords
- union
- oil cylinder
- slips
- outer slip
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 8
- 239000003345 natural gas Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Images
Abstract
The utility model provides a union expanding device which is an indoor natural gas pipeline maintaining device and solves difficulties of other technologies. The union expanding device is composed of a nut, a guiding positioning rod, a right outer slip, a left outer slip, an oil cylinder left positioning rod, an oil cylinder, a piston, inner slips, a butterfly-shaped nut, a double-ended bolt, a pipeline, a union and a union gasket which are connected, wherein the two inner slips are used for clamping the pipeline and the two inner slips are sleeved into the left outer slip and the right outer slip; the guiding positioning rod and the oil cylinder left positioning rod are respectively inserted into circular holes of the left outer slip and the right outer slip; the right outer slip is provided with the double-ended bolt in advance; the butterfly-shaped nut is used for fastening the left outer slip and the right outer slip; a threaded end of the oil cylinder left positioning rod penetrates through the right outer slip to be connected with the nut; the oil cylinder is internally provided with the oil cylinder left positioning rod and the piston; the two parts of the union are respectively welded on the pipeline and the union gasket is arranged in the middle of the union. The union expanding device has the meanings that the union expanding device is simple in structure, convenient to operate and low in operation cost.
Description
Technical field: the utility model relates to a kind of indoor natural gas line maintenance unit, especially union dilator.
Background technology: we connect by union by common indoor natural gas line, are union pad between union joint.In the time that union pad is in use damaged, will cause natural gas leaking, bring harm, be all first to turn off the local total valve of source of the gas at present in the time changing union pad, then changes union pad, wastes time and energy like this.
Summary of the invention: the purpose of this utility model is to provide a kind of simple in structure, easy to operate union dilator, it has solved the difficult point of other technology, the purpose of this utility model is to realize like this, it is by nut, guide-localization bar, right outside slips, left outside slips, the left backstay of oil cylinder, oil cylinder, piston, internal slip, pipeline, union, union pad, wing nut, stud is formed by connecting, two internal slips block pipeline both sides, and two internal slips are inserted in left outside slips and outer right slips, in the circular hole of left outside slips and outer right slips, interting respectively guide-localization bar, the left backstay of oil cylinder, on the left backstay of oil cylinder, connecting nut, centre at left outside slips and right outside slips is being connected stud, is connecting wing nut on stud.
In oil cylinder, there are the left backstay of oil cylinder, piston.
End points at two ends pipeline is connecting respectively union, has union pad in the middle of union.
Using method: two prefabricated internal slips are blocked to pipeline, more left outside slips, right outside slips are inserted in internal slip, with wing nut and studs pretension, pack the integral left and right external slips assembling of the left backstay of oil cylinder, piston and pretension in oil cylinder; Opposite side same method at union installs left outside slips, right outside slips and internal slip, and guide-localization bar is penetrated in the left outside slips on union both sides, right outside slips locating hole.Make the pipeline of the stuck union of internal slip both sides by tightening wing nut, the cylinder connector end of thread is connected with oil cylinder, other end connecting fluid press pump, operation hydraulic pump promotes internal slip toward oiling in oil cylinder and drives the pipeline of union both sides by force union pad place to be separated to 4mm left and right, change gasket seal, operation hydraulic pump, by oil cylinder pressure release, is pulled down union dilator, install union parts, work completes.
Meaning of the present utility model is: the utility model is simple in structure, easy to operate; Operating cost is low.
Brief description of the drawings: Fig. 1 is the structural representation of union dilator, in figure 1, nut 2, guide-localization bar 3, right outside slips 4, left outside slips 5, the left backstay 6 of oil cylinder, oil cylinder 7, piston 8, internal slip 9, pipeline 10, union 11, union pad
Fig. 2 is the part block diagram of union dilator, in figure 12, wing nut 13, stud
Detailed description of the invention: embodiment 1, the utility model are to be formed by connecting by nut 1, guide-localization bar 2, right outside slips 3, left outside slips 4, the left backstay 5 of oil cylinder, oil cylinder 6, piston 7, internal slip 8, pipeline 9, union 10, union pad 11, wing nut 12, stud 13, two internal slips 8 block pipeline both sides, and two internal slips 8 are inserted in left outside slips 4 and outer right slips 3, in the circular hole of left outside slips 4 and outer right slips 3, intert respectively guide-localization bar 2, the left backstay 5 of oil cylinder, on the left backstay 5 of oil cylinder, connecting nut 1; Be connected stud 13 at left outside slips 4 with the centre of right outside slips 3, on stud 13, connecting wing nut 12.
In embodiment 2, oil cylinder 6, there are the left backstay 5 of oil cylinder, piston 7.
Embodiment 3, connect respectively union 10 at the end points of two ends pipeline 9, in the middle of union 10, having union pad 11.
Claims (3)
1. union dilator, it is by nut (1), guide-localization bar (2), right outside slips (3), left outside slips (4), the left backstay of oil cylinder (5), oil cylinder (6), piston (7), internal slip (8), pipeline (9), union (10), union pad (11), wing nut (12), stud (13) is formed by connecting, it is characterized in that: two internal slips (8) block pipeline both sides, and two internal slips (8) are inserted in left outside slips (4) and right outside slips (3), in the circular hole of left outside slips (4) and right outside slips (3), interting respectively guide-localization bar (2), the left backstay of oil cylinder (5), on the left backstay of oil cylinder (5), connecting nut (1), be connected stud (13) at left outside slips (4) with the centre of right outside slips (3), on stud (13), connecting wing nut (12).
2. union dilator according to claim 1, is characterized in that: in oil cylinder (6), have the left backstay of oil cylinder (5), piston (7).
3. union dilator according to claim 1, is characterized in that: connecting respectively union (10) at the end points of two ends pipeline (9), having union pad (11) in the middle of union (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320715217.1U CN203680186U (en) | 2013-11-14 | 2013-11-14 | Union expanding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320715217.1U CN203680186U (en) | 2013-11-14 | 2013-11-14 | Union expanding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203680186U true CN203680186U (en) | 2014-07-02 |
Family
ID=51002145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320715217.1U Expired - Lifetime CN203680186U (en) | 2013-11-14 | 2013-11-14 | Union expanding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203680186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690682A (en) * | 2015-02-12 | 2015-06-10 | 北京市燃气集团有限责任公司 | Valve seat detaching device and manufacturing method thereof |
-
2013
- 2013-11-14 CN CN201320715217.1U patent/CN203680186U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690682A (en) * | 2015-02-12 | 2015-06-10 | 北京市燃气集团有限责任公司 | Valve seat detaching device and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
|
| CX01 | Expiry of patent term |