CN207377531U - A kind of lower sheave tree-protector - Google Patents
A kind of lower sheave tree-protector Download PDFInfo
- Publication number
- CN207377531U CN207377531U CN201720967000.8U CN201720967000U CN207377531U CN 207377531 U CN207377531 U CN 207377531U CN 201720967000 U CN201720967000 U CN 201720967000U CN 207377531 U CN207377531 U CN 207377531U
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- CN
- China
- Prior art keywords
- lower sheave
- main body
- pulley bracket
- bracket main
- supporting rod
- 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.)
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Abstract
The utility model belongs to natural gas well exploitation field, and in particular to a kind of lower sheave tree-protector, it is characterised in that including：Pulley bracket main body, lower sheave, lower sheave supporting rod, groove and anchor ear, the pulley bracket main body, lower sheave, lower sheave supporting rod, groove is connected with anchor ear, the one side of the pulley bracket main body is provided with anchor ear, the opposite side of the pulley bracket main body sets fluted, the pulley bracket main body is in contact with lower sheave supporting rod, the lower sheave is connected by lower sheave supporting rod with pulley bracket main body, the utility model can adjust backing positions according to operation field actual conditions, it is hampered in the construction process if running into instrument in well or during quick downward jarring, can effectively protect lower sheave in the case that do not stress do not occur partially fall, so as to which steel wire be protected not give a discount, reduce job safety risk.
Description
Technical field
The utility model belongs to natural gas well exploitation field, and in particular to a kind of lower sheave tree-protector.
Background technology
When carrying out wire Launching and Bailing operation, it is hampered in the construction process if running into instrument in well or quick downward jarring
When, lower sheave falls partially in the easily generation that do not stress, and steel wire is caused to give a discount, there is very big security risk.In order to prevent
The generation of such case improves operational security, lower sheave tree-protector has been invented with reference to field condition.
Utility model content
Deficiency in for the above-mentioned prior art, the utility model provide a kind of lower sheave tree-protector.
A kind of lower sheave tree-protector, it is characterised in that including：Pulley bracket main body, lower sheave, lower sheave support
Bar, groove and anchor ear, the pulley bracket main body, lower sheave, lower sheave supporting rod, groove are connected with anchor ear, the pulley
The one side of rack body is provided with anchor ear, and the opposite side of the pulley bracket main body sets fluted, the pulley bracket main body
It is in contact with lower sheave supporting rod, the lower sheave is connected by lower sheave supporting rod with pulley bracket main body.
The groove is V-arrangement, up-side down triangle.
When the groove is V-arrangement, the chamfering scope of V-arrangement is 15-30 degree at this time.
When the groove is to triangle, the angular range of up-side down triangle is 45-60 degree at this time.
It is provided with for pulley bracket main body to be fastened on the clamping screw on blow-out release device on the anchor ear.
The clamping screw is anticorrosion fastening bolt.
Operation principle:
1. first lower sheave protective device is connected and is fastened on wellhead blowout preventer.
2. it again by lower sheave supporting rod through lower sheave, and is fixed with lock pin.
3. finally lower sheave one end is fixed on lubricator with lifting rope, and adjust good position, it is ensured that lower sheave stent exists
The situation of not stressing can fall in V-type groove.
The beneficial effects of the utility model:
1. backing positions can be adjusted according to operation field actual conditions.
2. being hampered in the construction process if running into instrument in well or during quick downward jarring, lower sheave can be effectively protected
Do not occur to fall partially in the case that not stressing, so as to which steel wire be protected not give a discount, reduce job safety risk.
Reference numeral
1. pulley bracket main body, 2. lower sheaves, 3. lower sheave supporting rods, 4. grooves, 5. anchor ears, 6. clamping screws.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Specific embodiment：
Embodiment 1：
A kind of lower sheave tree-protector, it is characterised in that including：Pulley bracket main body 1, lower sheave 2, lower sheave branch
Strut 3, groove 4 and anchor ear 5, the pulley bracket main body 1, lower sheave 2, lower sheave supporting rod 3, groove 4 are connected with anchor ear 5
It connects, the one side of the pulley bracket main body 1 is provided with anchor ear 5, and the opposite side of the pulley bracket main body 1 sets fluted 4, institute
It states pulley bracket main body 1 to be in contact with lower sheave supporting rod 3, the lower sheave 2 passes through lower sheave supporting rod 3 and pulley bracket master
Body 1 is connected.
Embodiment 2：
A kind of lower sheave tree-protector, it is characterised in that including：Pulley bracket main body 1, lower sheave 2, lower sheave branch
Strut 3, groove 4 and anchor ear 5, the pulley bracket main body 1, lower sheave 2, lower sheave supporting rod 3, groove 4 are connected with anchor ear 5
It connects, the one side of the pulley bracket main body 1 is provided with anchor ear 5, and the opposite side of the pulley bracket main body 1 sets fluted 4, institute
It states pulley bracket main body 1 to be in contact with lower sheave supporting rod 3, the lower sheave 2 passes through lower sheave supporting rod 3 and pulley bracket master
Body 1 is connected.
It is provided with for pulley bracket main body 1 to be fastened on the clamping screw 6 on blow-out release device on the anchor ear 5.
The clamping screw 6 is anticorrosion fastening bolt.
Embodiment 3：
A kind of lower sheave tree-protector, it is characterised in that including：Pulley bracket main body 1, lower sheave 2, lower sheave branch
Strut 3, groove 4 and anchor ear 5, the pulley bracket main body 1, lower sheave 2, lower sheave supporting rod 3, groove 4 are connected with anchor ear 5
It connects, the one side of the pulley bracket main body 1 is provided with anchor ear 5, and the opposite side of the pulley bracket main body 1 sets fluted 4, institute
It states pulley bracket main body 1 to be in contact with lower sheave supporting rod 3, the lower sheave 2 passes through lower sheave supporting rod 3 and pulley bracket master
Body 1 is connected.
The groove 4 is V-arrangement, up-side down triangle.
When the groove 4 is V-arrangement, the chamfering scope of V-arrangement is 15-30 degree at this time.
When the groove 4 is to triangle, the angular range of up-side down triangle is 45-60 degree at this time.
Embodiment 4：
A kind of lower sheave tree-protector, it is characterised in that including：Pulley bracket main body 1, lower sheave 2, lower sheave branch
Strut 3, groove 4 and anchor ear 5, the pulley bracket main body 1, lower sheave 2, lower sheave supporting rod 3, groove 4 are connected with anchor ear 5
It connects, the one side of the pulley bracket main body 1 is provided with anchor ear 5, and the opposite side of the pulley bracket main body 1 sets fluted 4, institute
It states pulley bracket main body 1 to be in contact with lower sheave supporting rod 3, the lower sheave 2 passes through lower sheave supporting rod 3 and pulley bracket master
Body 1 is connected.
The groove 4 is V-arrangement, up-side down triangle.
It is provided with for pulley bracket main body 1 to be fastened on the clamping screw 6 on blow-out release device on the anchor ear 5.
The clamping screw 6 is anticorrosion fastening bolt.
Embodiment 5：
A kind of lower sheave tree-protector, it is characterised in that including：Pulley bracket main body 1, lower sheave 2, lower sheave branch
Strut 3, groove 4 and anchor ear 5, the pulley bracket main body 1, lower sheave 2, lower sheave supporting rod 3, groove 4 are connected with anchor ear 5
It connects, the one side of the pulley bracket main body 1 is provided with anchor ear 5, and the opposite side of the pulley bracket main body 1 sets fluted 4, institute
It states pulley bracket main body 1 to be in contact with lower sheave supporting rod 3, the lower sheave 2 passes through lower sheave supporting rod 3 and pulley bracket master
Body 1 is connected.
The groove 4 is V-arrangement, up-side down triangle.
When the groove 4 is V-arrangement, the chamfering scope of V-arrangement is 15-30 degree at this time.
When the groove 4 is to triangle, the angular range of up-side down triangle is 45-60 degree at this time.
Embodiment 6：
A kind of lower sheave tree-protector, it is characterised in that including：Pulley bracket main body 1, lower sheave 2, lower sheave branch
Strut 3, groove 4 and anchor ear 5, the pulley bracket main body 1, lower sheave 2, lower sheave supporting rod 3, groove 4 are connected with anchor ear 5
It connects, the one side of the pulley bracket main body 1 is provided with anchor ear 5, and the opposite side of the pulley bracket main body 1 sets fluted 4, institute
It states pulley bracket main body 1 to be in contact with lower sheave supporting rod 3, the lower sheave 2 passes through lower sheave supporting rod 3 and pulley bracket master
Body 1 is connected.
The groove 4 is V-arrangement, up-side down triangle.
When the groove 4 is V-arrangement, the chamfering scope of V-arrangement is 15-30 degree at this time.
When the groove 4 is to triangle, the angular range of up-side down triangle is 45-60 degree at this time.
It is provided with for pulley bracket main body 1 to be fastened on the clamping screw 6 on blow-out release device on the anchor ear 5.
Embodiment 7：
A kind of lower sheave tree-protector, it is characterised in that including：Pulley bracket main body 1, lower sheave 2, lower sheave branch
Strut 3, groove 4 and anchor ear 5, the pulley bracket main body 1, lower sheave 2, lower sheave supporting rod 3, groove 4 are connected with anchor ear 5
It connects, the one side of the pulley bracket main body 1 is provided with anchor ear 5, and the opposite side of the pulley bracket main body 1 sets fluted 4, institute
It states pulley bracket main body 1 to be in contact with lower sheave supporting rod 3, the lower sheave 2 passes through lower sheave supporting rod 3 and pulley bracket master
Body 1 is connected.
The groove 4 is V-arrangement, up-side down triangle.
When the groove 4 is V-arrangement, the chamfering scope of V-arrangement is 15-30 degree at this time.
When the groove 4 is to triangle, the angular range of up-side down triangle is 45-60 degree at this time.
It is provided with for pulley bracket main body 1 to be fastened on the clamping screw 6 on blow-out release device on the anchor ear 5.
The clamping screw 6 is anticorrosion fastening bolt.
Operation principle:
1. first lower sheave protective device is connected and is fastened on wellhead blowout preventer.
2. it again by lower sheave supporting rod through lower sheave, and is fixed with lock pin.
3. finally lower sheave one end is fixed on lubricator with lifting rope, and adjust good position, it is ensured that lower sheave stent exists
The situation of not stressing can fall in V-type groove.
The beneficial effects of the utility model:
1. backing positions can be adjusted according to operation field actual conditions.
2. being hampered in the construction process if running into instrument in well or during quick downward jarring, lower sheave can be effectively protected
Do not occur to fall partially in the case that not stressing, so as to which steel wire be protected not give a discount, reduce job safety risk.
Claims (6)
1. a kind of lower sheave tree-protector, it is characterised in that including：Pulley bracket main body（1）, lower sheave（2）, lower sheave
Supporting rod（3）, groove（4）And anchor ear（5）, the pulley bracket main body（1）, lower sheave（2）, lower sheave supporting rod（3）, groove
（4）And anchor ear（5）It is connected, the pulley bracket main body（1）One side be provided with anchor ear（5）, the pulley bracket main body（1）
Opposite side set it is fluted（4）, the pulley bracket main body（1）With lower sheave supporting rod（3）It is in contact, the lower sheave
（2）Pass through lower sheave supporting rod（3）With pulley bracket main body（1）It is connected.
2. a kind of lower sheave tree-protector according to claim 1, it is characterised in that：The groove（4）For V-arrangement, fall
Triangle.
3. a kind of lower sheave tree-protector according to claim 1, it is characterised in that：The groove（4）For V-arrangement when,
The chamfering scope of V-arrangement is 15-30 degree at this time.
4. a kind of lower sheave tree-protector according to claim 1, it is characterised in that：The groove（4）To arrive triangle
During shape, the angular range of up-side down triangle is 45-60 degree at this time.
5. a kind of lower sheave tree-protector according to claim 1, it is characterised in that：The anchor ear（5）On be provided with
For by pulley bracket main body（1）The clamping screw being fastened on blow-out release device（6）.
6. a kind of lower sheave tree-protector according to claim 5, it is characterised in that：The clamping screw（6）It is anti-
Corrode fastening bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720967000.8U CN207377531U (en) | 2017-08-04 | 2017-08-04 | A kind of lower sheave tree-protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720967000.8U CN207377531U (en) | 2017-08-04 | 2017-08-04 | A kind of lower sheave tree-protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207377531U true CN207377531U (en) | 2018-05-18 |
Family
ID=62342125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720967000.8U Active CN207377531U (en) | 2017-08-04 | 2017-08-04 | A kind of lower sheave tree-protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207377531U (en) |
-
2017
- 2017-08-04 CN CN201720967000.8U patent/CN207377531U/en active Active
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| GR01 | Patent grant |