CN208330241U - Release device - Google Patents
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- CN208330241U CN208330241U CN201820700569.2U CN201820700569U CN208330241U CN 208330241 U CN208330241 U CN 208330241U CN 201820700569 U CN201820700569 U CN 201820700569U CN 208330241 U CN208330241 U CN 208330241U
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- bearing plate
- guide cylinder
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- release device
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Abstract
The utility model discloses a kind of release devices, belong to oil/gas well well workover technology field.The release device includes: upper bearing plate, lower bearing plate, multiple jack and fixed mechanism.The first central through hole is provided on upper bearing plate, the second central through hole is provided on lower bearing plate, the orthographic projection on lower bearing plate of first central through hole is located in the second central through hole, and fixed mechanism is located on upper bearing plate, and multiple jack are between upper bearing plate and lower bearing plate.Release device is fixed on the well head of oil/gas well by lower bearing plate by the utility model, when carrying out unfreezing to oil/gas well, the tubing string for passing through the first central through hole and the second central through hole is fixedly connected with the hanger etc. in oil/gas well, and tubing string is stuck on upper bearing plate by fixed mechanism.Later, bearing plate is gone up by multiple jack lifts, so that tubing string and hanger etc. be driven to move upwards, to realize the unfreezing to oil/gas well, improves the unfreezing efficiency of oil/gas well, reduce the security risk of operator.
Description
Technical field
The utility model relates to oil/gas well well workover technology field, in particular to a kind of release device.
Background technique
As the exploitation of Domestic Oil And Gas Fields enters the middle and later periods, the oil/gas well recycling of early development in oil gas field has become oil
The important means that gas field is taped the latent power, increased production.However, part oil/gas well is not safeguarded due to stopping well for a long time, and, lead to oil/gas well
Interior hanger etc. is because four exchange device adhesions of action of rust and oil/gas well well head are serious.Therefore, in order to guarantee the part oil
Gas well can be produced normally, need to carry out unfreezing, to take out hanger in oil/gas well etc..
Currently, can use large tonnage workover rig when carrying out unfreezing to oil/gas well, that is to say that lifting force is larger
Workover rig, hoisting hanger etc. realize unfreezing.It is of course also possible to use hydraulic pressure lifting device, lifting hanger etc. is realized
Unfreezing.
However, since large tonnage workover rig cost of use is high, and there are security risks, therefore, not only increase
The unfreezing cost of oil/gas well, also improves the security risk of operator.Since hydraulic pressure lifting device has, shape is big, installation is multiple
Miscellaneous disadvantage, and special hydraulic power source is needed to configure, therefore, the unfreezing workload of oil/gas well is not only increased, oil is also reduced
The unfreezing efficiency of gas well.
Utility model content
The utility model provides a kind of release device, which can be improved the unfreezing efficiency of oil/gas well, simultaneously
Reduce security risk of the operator when carrying out unfreezing to oil/gas well.The technical solution is as follows:
On the one hand, a kind of release device is provided, the release device includes: upper bearing plate, lower bearing plate, multiple very heavy
Top and fixed mechanism；
It is provided with the first central through hole on the upper bearing plate, the second central through hole, institute are provided on the lower bearing plate
The first central through hole is stated to be located in second central through hole in the orthographic projection on the lower bearing plate；
The fixed mechanism is located on the upper bearing plate, and the fixed mechanism is used for across first central through hole
It is fixed with the tubing string of second central through hole；
For the multiple jack between the upper bearing plate and the lower bearing plate, the multiple jack is used for edge
Vertical direction lifts the upper bearing plate.
Optionally, multiple grooves are provided on the lower bearing plate, the multiple groove and the multiple jack are one by one
Corresponding, each jack is located in corresponding groove.
Optionally, the release device further include: interior guide cylinder and outer guide cylinder；
One end of the interior guide cylinder is fixedly connected with the upper bearing plate, one end of the outer guide cylinder with it is described under hold
Weight plate is fixedly connected, and the other end of the interior guide cylinder is located at the inside of the outer guide cylinder, the outer wall of the interior guide cylinder and
The inner wall gap-contact of the outer guide cylinder.
Optionally, the internal diameter of the interior guide cylinder is greater than or equal to the aperture of first central through hole, the outer guiding
The internal diameter of cylinder is greater than or equal to the aperture of second central through hole, and the interior guide cylinder, the outer guide cylinder, described first
The center line of central through hole and second central through hole is overlapped.
Optionally, the release device further includes Pear-Shaped fixed ring；
The Pear-Shaped fixed ring is looped around at least one jack and the outer guide cylinder in the multiple jack
Outer wall on, at least one described jack is fixedly connected with the outer guide cylinder.
Optionally, the release device further includes multiple elastic mechanisms；
One end of each elastic mechanism in the multiple elastic mechanism is fixedly connected with the upper bearing plate, each elasticity
The other end of mechanism is fixedly connected with the lower bearing plate, and the multiple elastic mechanism is used to pull institute along vertically downward direction
State bearing plate.
Optionally, each elastic mechanism include above tighten bolt, elastic component and under tighten bolt；
One end that bolt is tightened on described is fixedly connected with the upper bearing plate, it is described on tighten the other end and the institute of bolt
The one end for stating elastic component is fixedly connected, and one end that bolt is tightened under described is fixedly connected with the lower bearing plate, the downward
The other end of tight bolt is fixedly connected with the other end of the elastic component.
Optionally, each elastic mechanism further includes upper connection ring, upper connecting pin, lower connection ring and lower connecting pin；
The upper connecting pin, which is fixed on described, to be tightened on bolt, and one end of the upper connection ring and the upper connecting pin connect
It connects, the other end of the upper connection ring is fixedly connected with one end of the elastic component；
The lower connecting pin be fixed on it is described under tighten on bolt, one end of the lower connection ring and the lower connecting pin connect
It connects, one end that the other end of the lower connection ring is another with the elastic component is fixedly connected.
Technical solution bring beneficial effect provided by the utility model at least may include:
The release device is fixed on the well head of oil/gas well by lower bearing plate by the utility model, is solved to oil/gas well
When card, the tubing string for passing through the first central through hole and the second central through hole is fixedly connected with the hanger etc. in oil/gas well, and logical
It crosses fixed mechanism the tubing string is stuck on upper bearing plate.Later, due to multiple jack be located at lower bearing plate and upper bearing plate it
Between, bearing plate can be gone up by multiple jack lifts, to drive the tubing string and hanger etc. to move upwards, to realize to oil
The unfreezing of gas well improves the unfreezing efficiency of oil/gas well, reduces the security risk of operator.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of schematic view of the front view of release device provided by the embodiment of the utility model；
Fig. 2 is a kind of schematic view of the front view of release device provided by the embodiment of the utility model；
Fig. 3 is a kind of overlooking structure diagram of release device provided by the embodiment of the utility model；
Fig. 4 is a kind of structural schematic diagram of Pear-Shaped fixed ring provided by the embodiment of the utility model；
Fig. 5 is a kind of schematic view of the front view of release device provided by the embodiment of the utility model；
Fig. 6 is a kind of structural schematic diagram of elastic mechanism provided by the embodiment of the utility model；
Fig. 7 is a kind of structural schematic diagram of elastic mechanism provided by the embodiment of the utility model.
Appended drawing reference:
1: upper bearing plate；2: lower bearing plate；3: jack；4: fixed mechanism；5: interior guide cylinder；6: outer guide cylinder；7: calabash
Reed shape fixed ring；8: elastic mechanism；
11: the first central through holes；21: the second central through holes；22: groove；71: first part；72: second part；81: on
Tighten bolt；82: elastic component；83: under tighten bolt；84: upper connection ring；85: upper connecting pin；86: lower connection ring；87: under
Connecting pin.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
Fig. 1 is a kind of release device provided by the embodiment of the utility model, and release device includes: upper bearing plate 1, lower load-bearing
Plate 2, multiple jack 3 and fixed mechanism 4.It is provided with the first central through hole 11 on upper bearing plate 1, is provided on lower bearing plate 2
Second central through hole 21, the first central through hole 11 are located in the second central through hole 21 in the orthographic projection on lower bearing plate 2, fixed machine
Structure 4 is located on upper bearing plate 1, fixed mechanism 4 be used for pass through the tubing string of the first central through hole 11 and the second central through hole 21 into
Row is fixed, and multiple jack 3 are between upper bearing plate 1 and lower bearing plate 2, and multiple jack 3 for lifting along the vertical direction
Upper bearing plate 1.
Wherein, the aperture of the first central through hole 11 can be slightly larger than the outer diameter of the tubing string, certainly, the first central through hole 11
Difference between aperture and the outer diameter of the tubing string can also be greater than aperture threshold value, in order to which the tubing string can pass through in first
Heart through-hole 11 and the second central through hole 21.The outer diameter of fixed mechanism 4 can be greater than the first central through hole 11 aperture, in order to
When fixed mechanism 4 fixes the tubing string, which can be stuck on upper bearing plate 1.Certainly, the outer diameter of fixed mechanism 4 can also be with
Less than the aperture of the first central through hole 11, at this point, in order to guarantee that the tubing string can be stuck on upper bearing plate 1 by fixed mechanism 4, Gu
Determine that bearing pad can be set between mechanism 4 and upper bearing plate 1, the outer diameter of the bearing pad is greater than the hole of the first central through hole 11
Diameter.Multiple jack 3 can be evenly distributed between bearing plate 1 and lower bearing plate 2, to guarantee by multiple jack 3
In lifting when bearing plate 1, upper bearing plate 1 can be moved along direction straight up, so that it is inclined to avoid bearing plate 1 from occurring
Phenomenon.Wherein, the position that multiple jack 3 are uniformly distributed where referring to each jack 3 is symmetrical with the center line of the tubing string.
The release device is fixed on to the well head of oil/gas well by lower bearing plate 2, and tubing string is sequentially passed through into the first center
Through-hole 11 and the second central through hole 21, and be fixedly connected with the hanger etc. in oil/gas well, it later, should by fixed mechanism 4
Tubing string is stuck on bearing plate 1.Since multiple jack 3 are between lower bearing plate 2 and upper bearing plate 1, and lower bearing plate 2 with
The well head of oil/gas well is fixedly connected, and therefore, upper bearing plate 1 can be lifted by multiple jack 3, to drive the tubing string upward
Movement.Since the tubing string is fixedly connected with the hanger etc. in oil/gas well, when the tubing string moves upwards, hanger etc. is also synchronized
It moves upwards, to realize the unfreezing to oil/gas well, improves the unfreezing efficiency of oil/gas well, the safety for reducing operator is hidden
Suffer from.
During multiple jack 3 lift upper bearing plate 1, at least one jack 3 in multiple jack 3 may
1 run-off the straight of bearing plate is caused because sliding occurs, in turn results in the tubing string run-off the straight.In this way, will increase in second
Frictional force between the hole wall of heart through-hole 21 and the tubing string, to increase the load of multiple jack 3, in some instances it may even be possible to cause the pipe
The outer wall of column is worn.Therefore, in the first possible implementation, referring to fig. 2, can be set on lower bearing plate 2
Multiple grooves 22, multiple grooves 22 are corresponded with multiple jack 3, and each jack 3 is located in corresponding groove 22.This
Sample can position the jack 3 being located in the groove 22 by each groove 22, so that jack 3 be avoided to slide
The phenomenon that moving, and causing 1 run-off the straight of bearing plate, to guarantee that upper bearing plate 1 can be moved along direction straight up.
In the second possible implementation, referring to fig. 2, which can also include: interior guide cylinder 5 and lead outside
To cylinder 6, one end of interior guide cylinder 5 can be fixedly connected with upper bearing plate 1, and one end of outer guide cylinder 6 can be solid with lower bearing plate 2
Fixed connection, the other end of interior guide cylinder 5 are located at the inside of outer guide cylinder 6, the inner wall of the outer wall of interior guide cylinder 5 and outer guide cylinder 6
Gap-contact.Certainly, one end of interior guide cylinder 5 can also be fixedly connected with lower bearing plate 2, and one end of outer guide cylinder 6 can also be with
It is fixedly connected with upper bearing plate 1, the utility model embodiment does not limit this.
Wherein, due to the inner wall gap-contact of the outer wall of interior guide cylinder 5 and outer guide cylinder 6, in the limit of outer guide cylinder 6
Under, interior guide cylinder 5 can only move on the direction where the center line of outer guide cylinder 6.Due to interior guide cylinder 5 and upper bearing plate 1
It is fixedly connected, when lifting upper bearing plate 1 by multiple jack 3, upper bearing plate 1 also can only be along the center line of outer guide cylinder 6
It is moved on the direction at place, thus the phenomenon that avoiding bearing plate 1 from glancing off.
It should be noted that in order to avoid on when multiple jack 3 lift upper bearing plate 1 bearing plate 1 glance off it is existing
As, two kinds of possible implementations mentioned above can also be combined, be that is to say, it can be on lower bearing plate 2 and each
While groove 22 are arranged in the corresponding position of jack 3, be arranged between upper bearing plate 1 and lower bearing plate 2 in guide cylinder 5 and outer
Guide cylinder 6.
It is referring to fig. 2, interior when avoiding upper bearing plate 1 from glancing off phenomenon by above-mentioned second possible implementation
The internal diameter of guide cylinder 5 can be greater than or equal to the aperture of the first central through hole 11, and the internal diameter of outer guide cylinder 6 can be greater than or equal to
The aperture of second central through hole 21, and in interior guide cylinder 5, outer guide cylinder 6, the first central through hole 11 and the second central through hole 21
Heart line is overlapped.In this way, to oil/gas well carry out unfreezing when, tubing string can sequentially pass through the first central through hole 11, interior guide cylinder 5,
Outer guide cylinder 6 and the second central through hole 21.Since interior guide cylinder 5 and 6 sets of outer guide cylinder are on tubing string, passing through interior guide cylinder 5
When being defined with moving direction of the outer guide cylinder 6 to upper bearing plate 1, tubing string run-off the straight can also be avoided.
Certainly, other positions between upper bearing plate 1 and lower bearing plate 2 also can be set in interior guide cylinder 5 and outer guide cylinder 6
It sets, as long as can be to avoid multiple jack 3 when lifting upper bearing plate 1, upper 1 run-off the straight of bearing plate.
When avoiding upper bearing plate 1 from glancing off phenomenon by the above-mentioned second possible implementation, referring to Fig. 3, in order to
Each jack 3 in multiple jack 3 is avoided to slide, which can also include Pear-Shaped fixed ring 7, cucurbit
Shape fixed ring 7 is looped around on the outer wall of at least one jack 3 and outer guide cylinder 6 in multiple jack 3, by least one
Jack 3 is fixedly connected with outer guide cylinder 6.Since outer guide cylinder 6 is fixedly connected with lower bearing plate 2, fixed by Pear-Shaped
After at least one jack 3 is fixedly connected by ring 7 with outer guide cylinder 6, at least one jack 3 and lower bearing plate 2 are relatively fixed,
To avoid at least one jack 3 from sliding.
Certainly, when interior guide cylinder 5 is fixedly connected with lower bearing plate 2, can by Pear-Shaped fixed ring 7 by least one
Jack 3 is fixedly connected with interior guide cylinder 5, at least one jack 3 and lower bearing plate 2 is relatively fixed.
It should be noted that one jack 3 and outer guide cylinder 6 or interior guide cylinder 5 are consolidated by Pear-Shaped fixed ring
When connecting surely, which may include multiple Pear-Shaped fixed rings 7, multiple Pear-Shaped fixed rings 7 and multiple jack 3 one
One is corresponding, and corresponding jack 3 is fixedly connected by each Pear-Shaped fixed ring 7 with outer guide cylinder 6 or interior guide cylinder 5.Wherein,
Referring to fig. 4, each Pear-Shaped fixed ring 7 may include first 71 and second part 72, first part 71 and second part 72
Can be symmetrical, first part 71 and second part 72 can be fixedly connected by bolt.It is of course also possible to pass through it
At least one jack 3 in multiple jack 3 is fixedly connected mode by he with outer guide cylinder 6 or interior guide cylinder 5, this is practical new
Type embodiment does not limit this.
It should be noted that when carrying out unfreezing to oil/gas well by the release device, in order to avoid the act of upper bearing plate 1
Lift can also be overlapped use from the unfreezing for being not enough to realize to oil/gas well, the release device, that is to say the first release device
Lower bearing plate be fixedly connected with the well head of oil/gas well, will be held on the lower bearing plate of the second release device and the first release device
Weight plate is fixedly connected, the lifting distance for the upper bearing plate for including by the first release device and the second release device include on hold
The lifting distance of weight plate realizes the unfreezing to oil/gas well.
Upper bearing plate 1 is being lifted by multiple jack 3, and after completing to the unfreezing of oil/gas well, it can be to more
A jack 3 carries out pressure release.After multiple jack 3 complete pressure release, in order to guarantee that upper bearing plate 1 can restore to original position, one
In kind possible implementation, referring to Fig. 5, which can also include multiple elastic mechanisms 8, in multiple elastic mechanisms 8
One end of each elastic mechanism 8 be fixedly connected with upper bearing plate 1, the other end of each elastic mechanism 8 and lower bearing plate 2 are fixed
Connection, multiple elastic mechanisms 8 are used to pull upper bearing plate 1 along vertically downward direction.
Wherein, it in each elastic mechanism 8 of fixation, in one possible implementation, can be set on upper bearing plate 1
Have and correspond multiple first threaded holes with multiple elastic mechanisms 8, can be set on lower bearing plate 2 and multiple elastic mechanisms 8
Multiple secondth threaded holes are corresponded, the both ends of each elastic mechanism are each passed through corresponding first threaded hole and the second screw thread
Hole, which is realized, to be fixed.When multiple jack 3 do not lift upper bearing plate 1, each elastic mechanism 8 may be at nature shape
State, during multiple jack 3 lift upper bearing plate 1, each elastic mechanism 8 may be at tensional state.?
After multiple 3 pressure releases of jack, upper bearing plate 1 bears multiple elastic mechanisms 8 along the pulling force of vertically downward direction, so as to promote
Restore bearing plate 1 to original position.
Wherein, referring to Fig. 6, each elastic mechanism 8 may include on tighten bolt 81, elastic component 82 and under tighten bolt
83, the one end for above tightening bolt 81 is fixedly connected with upper bearing plate 1, above tightens the other end and the one of elastic component 82 of bolt 81
End is fixedly connected, under tighten one end of bolt 83 and be fixedly connected with lower bearing plate 2, under tighten the other end and elastic structure of bolt 83
The other end of part 82 is fixedly connected.
Wherein, for each elastic mechanism 8, in one possible implementation, the one end for above tightening bolt 81 can be with
It is fixedly connected with the first threaded hole corresponding on upper bearing plate 1, above tightens the other end of bolt 81 and one end of elastic component 82
Be fixedly connected, one end that the other end of elastic component 82 tightens bolt 83 under is fixedly connected, under tighten the other end of bolt 83
It is fixedly connected with the second threaded hole corresponding on lower bearing plate 2.Elastic component 82 can be spring, it is of course also possible to elastic structure
Part.
Further, by elastic component 82 with above tighten bolt 81 and under tighten bolt 83 and be fixedly connected when, in order to just
It is operated in operator, improves the packaging efficiency of the release device, referring to Fig. 7, each elastic mechanism 8 can also include upper connection
Ring 84, upper connecting pin 85, lower connection ring 86 and lower connecting pin 87, upper connecting pin 85, which is fixed on, to be tightened on bolt 81, upper connection
One end of ring 84 is connect with upper connecting pin 85, and the other end of upper connection ring 84 is fixedly connected with one end of elastic component 82.Lower company
Outbound 87, which is fixed on down, to be tightened on bolt 83, and one end of lower connection ring 86 is connect with lower connecting pin 87, lower connection ring 86 it is another
One end another with elastic component 82 is held to be fixedly connected.
Wherein, in one possible implementation, one end of upper connecting pin 85 and lower 87 one end of connecting pin can be in
Hook-shaped will be in that one end of hook-shaped hangs over one end of upper connection ring 84 on upper connecting pin 85, by the other end of upper connecting pin 85
It is fixedly connected with bolt 81 is above tightened.To be in that one end of hook-shaped hangs over one end of lower connection ring 86 on lower connecting pin 87, will under
The other end of connecting pin 87 tightens bolt 83 under and is fixedly connected, the other end of upper connection ring 84 and lower connection ring 86 it is another
One end is fixedly connected with the both ends of elastic component 82 respectively.
The release device is fixed on the well head of oil/gas well by lower bearing plate by the utility model, is solved to oil/gas well
When card, tubing string is sequentially passed through into the first central through hole, interior guide cylinder, outer guide cylinder and the second central through hole, and by tubing string and oil
Hanger etc. in gas well is fixedly connected, and the tubing string is stuck on upper bearing plate by fixed mechanism.Later, due to Pear-Shaped
Fixed ring is fixed at least one jack and outer guide cylinder, and the limit of outer guide cylinder and interior guide cylinder, guarantees
Upper bearing plate can be moved along direction straight up, to drive the tubing string and hanger etc. to move upwards, to realize to oil
The unfreezing of gas well improves the unfreezing efficiency of oil/gas well, reduces the security risk of operator.In the solution for completing oil/gas well
Card, and after carrying out pressure release to multiple jack, upper bearing plate can be promoted to restore to original by the pulling force of multiple elastic components
Position.It moves the tubing string and hanger etc. to move upwards, to realize the unfreezing to oil/gas well, improves the unfreezing efficiency of oil/gas well, drop
The low security risk of operator.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. a kind of release device, which is characterized in that the release device includes: upper bearing plate (1), lower bearing plate (2), Duo Geqian
Jin top (3) and fixed mechanism (4)；
It is provided with the first central through hole (11) on the upper bearing plate (1), it is logical that the second center is provided on the lower bearing plate (2)
Hole (21), orthographic projection of first central through hole (11) on the lower bearing plate (2) are located at second central through hole
(21) in；
The fixed mechanism (4) is located on the upper bearing plate (1), and the fixed mechanism (4) is used for in described first
The tubing string of heart through-hole (11) and second central through hole (21) is fixed；
The multiple jack (3) is between the upper bearing plate (1) and the lower bearing plate (2), the multiple jack
(3) for lifting the upper bearing plate (1) along the vertical direction.
2. release device as described in claim 1, which is characterized in that be provided with multiple grooves on the lower bearing plate (2)
(22), the multiple groove (22) and the multiple jack (3) correspond, and each jack (3) is located at corresponding groove
(22) in.
3. release device as described in claim 1, which is characterized in that the release device further include: interior guide cylinder (5) and outer
Guide cylinder (6)；
One end of the interior guide cylinder (5) is fixedly connected with the upper bearing plate (1), one end of the outer guide cylinder (6) and institute
It states lower bearing plate (2) to be fixedly connected, the other end of the interior guide cylinder (5) is located at the inside of the outer guide cylinder (6), described interior
The inner wall gap-contact of the outer wall of guide cylinder (5) and the outer guide cylinder (6).
4. release device as claimed in claim 3, which is characterized in that the internal diameter of the interior guide cylinder (5) is greater than or equal to institute
The aperture of the first central through hole (11) is stated, the internal diameter of the outer guide cylinder (6) is greater than or equal to second central through hole (21)
Aperture, and the interior guide cylinder (5), the outer guide cylinder (6), first central through hole (11) and second center are logical
The center line in hole (21) is overlapped.
5. release device as claimed in claim 3, which is characterized in that the release device further includes Pear-Shaped fixed ring (7)；
It at least one jack (3) that the Pear-Shaped fixed ring (7) is looped around in the multiple jack (3) and described outer leads
To on the outer wall of cylinder (6), at least one described jack (3) is fixedly connected with the outer guide cylinder (6).
6. release device a method as claimed in any one of claims 1 to 5, which is characterized in that the release device further includes multiple elastic machines
Structure (8)；
One end of each elastic mechanism (8) in the multiple elastic mechanism (8) is fixedly connected with the upper bearing plate (1), often
The other end of a elastic mechanism (8) is fixedly connected with the lower bearing plate (2), and the multiple elastic mechanism (8) is used for along vertical
Downwardly direction pulls the upper bearing plate (1).
7. release device as claimed in claim 6, which is characterized in that each elastic mechanism (8) include above tighten bolt (81),
Elastic component (82) and under tighten bolt (83)；
One end that bolt (81) is tightened on described is fixedly connected with the upper bearing plate (1), it is described on tighten the another of bolt (81)
One end is fixedly connected with the one end of the elastic component (82), tightened under described bolt (83) one end and the lower bearing plate
(2) it is fixedly connected, the other end that bolt (83) is tightened under described is fixedly connected with the other end of the elastic component (82).
8. release device as claimed in claim 7, which is characterized in that each elastic mechanism (8) further include upper connection ring (84),
Upper connecting pin (85), lower connection ring (86) and lower connecting pin (87)；
The upper connecting pin (85), which is fixed on described, to be tightened on bolt (81), one end of the upper connection ring (84) and it is described on
Connecting pin (85) connection, the other end of the upper connection ring (84) are fixedly connected with one end of the elastic component (82)；
The lower connecting pin (87) be fixed on it is described under tighten on bolt (83), one end of the lower connection ring (86) and it is described under
Connecting pin (87) connection, one end that the other end of the lower connection ring (86) is another with the elastic component (82) is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820700569.2U CN208330241U (en) | 2018-05-10 | 2018-05-10 | Release device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820700569.2U CN208330241U (en) | 2018-05-10 | 2018-05-10 | Release device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208330241U true CN208330241U (en) | 2019-01-04 |
Family
ID=64777555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820700569.2U Active CN208330241U (en) | 2018-05-10 | 2018-05-10 | Release device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208330241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469280A (en) * | 2018-05-10 | 2019-11-19 | 中国石油天然气股份有限公司 | Release device |
-
2018
- 2018-05-10 CN CN201820700569.2U patent/CN208330241U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469280A (en) * | 2018-05-10 | 2019-11-19 | 中国石油天然气股份有限公司 | Release device |
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