CN206174926U - Well head protector and specialized tool - Google Patents
Well head protector and specialized tool Download PDFInfo
- Publication number
- CN206174926U CN206174926U CN201621099767.5U CN201621099767U CN206174926U CN 206174926 U CN206174926 U CN 206174926U CN 201621099767 U CN201621099767 U CN 201621099767U CN 206174926 U CN206174926 U CN 206174926U
- Authority
- CN
- China
- Prior art keywords
- bull stick
- fixture block
- binding nut
- well mouth
- mouth protector
- 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 - Fee Related
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Abstract
The utility model provides a well head protector and specialized tool, includes the connecting pipe that sets up along vertical orientation, is equipped with along the axial in the connecting pipe and presss from both sides tight bull stick, the top that presss from both sides tight bull stick is equipped with eccentric crank round pin axle along vertical orientation, settings of staggering each other of axis that the axis and the crank of eccentric crank round pin axle pressed from both sides tight bull stick, the bottom of eccentric crank round pin axle and to press from both sides the top of tight bull stick fixed continuous, the bottom that presss from both sides tight bull stick links to each other with the top of locking the lead screw, and the locking lead screw is equipped with down clamping nut including last screw thread section that is located locking lead screw upper portion and the lower screw thread section that is located locking lead screw lower part, the lower screw thread section top spin of locking lead screw, and the last screw thread section top spin of locking lead screw is equipped with clamping nut, and the lower part of going up clamping nut is cone angle round platform down and appears. Its aim at provides one kind and can avoid the foreign matter to fall into the well, makes the oil well thoroughly destroy to fundamentally prevents that the incident of stealing the well head accessory from taking place, provides the well head protector and specialized tool of safety guarantee for oil field production.
Description
Technical field
This utility model is related to a kind of well mouth protector and specific purpose tool.
Background technology
It is to protect abandoned well, length to stop well, pending well and the Special wellhead protection device that designs in well mouth protector.
There are up to ten thousand mouthfuls of oil wells in oil field, and these oil wells are dispersed between city and township open country.Quantity is more, and distribution is wide, management work
Difficulty is big, and Jing often occurs the stolen event of well head, and especially some abandoned wells, length stops well, pending well.These wells are not due to for a long time
With four-way, valve, shut-in well lid, clip, bolt then on well head etc. are easy to stolen.Once these wellhead assemblies are stolen, will
Well head is opened wide, and the unmanned concern of long-time, it is easy to cause foreign body to fall in well, oil well is thoroughly destroyed.Cause greatly damage
Lose.Meanwhile, if there is pressure down-hole, it is excessive and erupt also to easily cause pressure, jeopardizes personal safety around.
In addition, abandoned well, length stop well, the well head processing mode of pending well is usually to install a shut-in well lid additional, oil well is long
Time is in the data such as closed state, the pressure in well cannot judge, if opening rashly, accident can occur.
Utility model content
The purpose of this utility model is to provide one kind foreign body can be avoided to fall in well, oil well is thoroughly destroyed, and from root
Prevent the event for stealing wellhead hardware from occurring in sheet, for well mouth protector and special tool that oil field production provides safety guarantee
Tool.The well mouth protector is arranged on well head, can play the security protection to well head and borehole pressure detection effect.
This utility model well mouth protector, including the connecting tube for vertically arranging, is provided with vertically in connecting tube
Bull stick is clamped, the top for clamping bull stick is vertically provided with eccentric crank bearing pin, and axis and the crank of eccentric crank bearing pin are pressed from both sides
The axis of tight bull stick mutually staggers settings, and the bottom of eccentric crank bearing pin and the top of clamping bull stick are fixedly linked；
The bottom for clamping bull stick is connected with the top of locking screw, and locking screw includes being located at the upper spiral shell on locking screw top
Thread rotary orientation on stricture of vagina section and the lower thread segment positioned at locking screw bottom, the thread rotary orientation on upper thread segment and lower thread segment that
This is installed with clamping conversely, be installed with lower binding nut on the lower thread segment of locking screw on upper thread segment of locking screw
Nut, the bottom of upper binding nut is cone angle truncated cone-shaped directed downwardly, and the top of lower binding nut is cone angle truncated cone-shaped upward, even
It is located in the cavity between upper binding nut and lower binding nut in adapter and is provided with multiple fixture blocks around locking screw, each fixture block
The top of side inwardly can be engaged with the surface of the truncated cone-shaped of upper binding nut bottom, under each fixture block side inwardly
Portion can be engaged with the surface of the truncated cone-shaped on lower binding nut top, and each fixture block can be in the presence of back-moving spring along locking silk
Thick stick is moved radially inwards.
Well mouth protector of the present utility model, wherein being provided with tubular on the outside of the upper binding nut and lower binding nut
Anchoring body, the top of anchoring body is fixedly linked with the bottom in connecting tube, position corresponding with each fixture block point in anchoring body
Other one is provided with fixture block via, and each fixture block radially using gap fits through corresponding fixture block via respectively.
Well mouth protector of the present utility model, wherein gathering sill is vertically provided with the side wall of the anchoring body,
It is radially mounted respectively on the lateral wall of the upper binding nut and lower binding nut to have a slip pin, slip pin radially to
Outer extension is penetrated in the gathering sill in anchoring body.
Well mouth protector of the present utility model, wherein the quantity of the fixture block is 3-6, each fixture block includes respectively
The pedestal of one cuboid, the upper and lower of pedestal end face inwardly is radially provided with respectively a stage clip and places counterbore, institute
The outer end for stating back-moving spring withstands on the bottom that corresponding stage clip places counterbore, and the inner end of back-moving spring withstands on spring and blocks, spring
Stifled to be threaded connection on the side wall of the anchoring body, middle part and the inner end of jacking block of pedestal end face outwardly are connected to
Integrally, jacking block end face outwardly is the arcwall face of middle part outwardly convex, and on jacking block end face outwardly multiple teeth are laid with.
Well mouth protector of the present utility model, wherein the top of the connecting tube is installed with the bottom for hanging short circuit sleeve
It is connected, the top for hanging short circuit sleeve is installed with the middle part for hanging flange bottom and is connected.
Well mouth protector of the present utility model, wherein the bottom of the anchoring body be threaded connection be fixed with bottom block up,
The suspension flange is connected using anti-theft bolt and anti-theft nut with the flange of well head four-way.
Well mouth protector of the present utility model, wherein the blue end face directed downwardly of the suspension method is provided with well head steel ring, institute
The top for stating clamping bull stick lateral wall is fixed with spacing back-up ring.
Well mouth protector of the present utility model, wherein phase is installed in the blue top of the suspension method with the bottom of nipple
Even, the top of nipple is connected with valve, and the outside and top of valve are provided with anti-theft protective cover, and the bottom of anti-theft protective cover is provided with out
Mouthful, the suspension flange is located in anti-theft protective cover, and anti-theft protective cover is provided with what is can locked together suspension flange and anti-theft protective cover
Lock.
Well mouth protector of the present utility model, wherein the anti-theft protective cover lateral wall on handle, nipple are installed
Side wall on pressure gauge and pressure release safety valve are installed, on anti-theft protective cover at the position corresponding with pressure gauge and pressure release safety valve
Pressure watch window is provided with, gland made by transparent material is installed at pressure watch window.
. for rotating the specific purpose tool of the well mouth protector for opening described, including the sleeve for vertically arranging, set
The top of cylinder is fixedly linked with the bottom of spanner bull stick, and spanner bull stick is vertically arranged, and the top of spanner bull stick is provided with and turns
Fixed handle, the middle and upper part of hub internal bore is fitted with mandrel, eccentric crank bearing pin is vertically provided with the lower surface of mandrel and is inserted
Enter hole, when the sleeve is coordinated with gap to be sleeved on the lateral wall on the clamping bull stick top, the eccentric crank bearing pin
The eccentric crank bearing pin of insertion is coordinated to insert in the hole with gap.
Well mouth protector of the present utility model and specific purpose tool when in use, can will be used for the above-mentioned well head of rotation unlatching and prevent
The sleeve of the specific purpose tool of protection unit is sleeved on the lateral wall on the clamping bull stick top with gap cooperation, now eccentric crank
Bearing pin then coordinates the eccentric crank bearing pin of insertion to insert in the hole with gap, and rotation handle rotating spanner bull stick is then grasped again,
Clamping bar rotation can be allowed.When needs will clamp bull stick, eccentric crank bearing pin, fixture block etc. to be fixed in production string, need
The specific purpose tool for rotating the above-mentioned well mouth protector of unlatching of the present utility model is used, can be by clamping bar rotation lock
Tight leading screw, allows binding nut, lower binding nut to do approximating move toward one another along locking screw, using upper clamping spiral shell
The surface of the truncated cone-shaped of female, lower binding nut pushes out each fixture block, and each fixture block then can be while compress back-moving spring, on one side
Be affixed to the inwall of production string, and finally tightly withstand on the inwall of production string, will clamp bull stick, eccentric crank bearing pin,
The parts such as fixture block are locked in production string.And when needing to take out well mouth protector, it is also necessary to using for rotating
The specific purpose tool direction for opening above-mentioned well mouth protector rotates clamping bull stick, allows binding nut, lower binding nut along lock
Tight leading screw does motion away from each other to each other, allows the distance between binding nut, lower binding nut to become big, then each fixture block is just
The inwall of production string can be left under the thrust of back-moving spring 18, thus can clamp bull stick, eccentric crank bearing pin,
The parts such as fixture block take out production string 32.Therefore, well mouth protector of the present utility model can avoid foreign body from falling in well and make oil
Well is thoroughly destroyed, and fundamentally prevents the event for stealing wellhead hardware from occurring, and for oil field production safety guarantee is provided.
This utility model well mouth protector, using the exclusive design of this utility model, it has triple protection device, the
One again protection be protective cover, it is necessary to could open protective cover using specific purpose tool.Second again protection be anti-theft bolt, open protection
After cover, it can be seen that big four is connected with wellhead flange by anti-theft bolt, it is necessary to can just remove four-way by specific purpose tool.The
Triple protection are the Protective locks for including clamping the compositions such as bull stick, eccentric crank bearing pin, fixture block, due to the axis of eccentric crank bearing pin
The axis for clamping bull stick with crank mutually staggers settings, only could allow fixture block using special instrument insertion bias crank bearing pin
The inwall of production string is left, and then can just remove the parts such as the clamping bull stick in well head, eccentric crank bearing pin, fixture block.It is above-mentioned
Cleverly design overcomes the defect of prior art presence, with prominent substantive distinguishing features and significant progress.
This utility model well mouth protector and specific purpose tool are described in further detail below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is the main view profile of the structural representation of well mouth protector of the present utility model；
Fig. 2 is the enlarged drawing of the upper binding nut of well mouth protector of the present utility model and lower binding nut part；
Fig. 3 is the main view profile for rotating the specific purpose tool for opening well mouth protector of the present utility model.
Specific embodiment
As depicted in figs. 1 and 2, this utility model well mouth protector, including the connecting tube 13 for vertically arranging, connects
It is provided with clamping bull stick 33 in adapter 13 vertically, the top for clamping bull stick 33 is vertically provided with eccentric crank bearing pin 30, partially
The axis that the axis of heart crank bearing pin 30 clamps bull stick 33 with crank mutually staggers settings, the bottom of eccentric crank bearing pin 30 with press from both sides
The top of tight bull stick 33 is fixedly linked；
The bottom for clamping bull stick 33 is connected with the top of locking screw 14, and locking screw 14 includes being located on locking screw 14
On the upper thread segment in portion and the lower thread segment positioned at the bottom of locking screw 14, the thread rotary orientation on upper thread segment and lower thread segment
Thread rotary orientation is opposite each other, and lower binding nut 21, the upper screw thread of locking screw 14 are installed with the lower thread segment of locking screw 14
Be installed with binding nut 16 in section, the bottom of upper binding nut 16 is cone angle truncated cone-shaped directed downwardly, lower binding nut 21 it is upper
Portion is to be located in the cavity between upper binding nut 16 and lower binding nut 21 to surround in cone angle truncated cone-shaped upward, connecting tube 13
Locking screw 14 is provided with multiple fixture blocks 20, and the top of each side inwardly of fixture block 20 can be with the round platform of the bottom of upper binding nut 16
The surface of shape is engaged, and the bottom of each side inwardly of fixture block 20 can be with the surface phase of the truncated cone-shaped on the lower top of binding nut 21
Coordinate, each side outwardly of fixture block 20 can be engaged with the inwall of production string 32, and each fixture block 20 can be in back-moving spring 18
In the presence of move radially inwards along locking screw 14.
Used as further improvement of the utility model, the outside of above-mentioned upper binding nut 16 and lower binding nut 21 is provided with cylinder
The anchoring body 15 of shape, the top of anchoring body 15 be fixedly linked in the bottom of connecting tube 13, with each fixture block 20 in anchoring body 15
Corresponding position is provided with fixture block via 34 for one respectively, and each fixture block 20 radially using gap fits through corresponding card respectively
Block via 34.
As further improvement of the utility model, on the side wall of above-mentioned anchoring body 15 gathering sill is vertically provided with
35, it is radially mounted respectively on the lateral wall of upper binding nut 16 and lower binding nut 21 to have slip pin 17, slip pin 17
In extending radially outward the gathering sill 35 penetrated in anchoring body 15.
Used as further improvement of the utility model, the quantity of above-mentioned fixture block 20 is 3-6, and each fixture block 20 is wrapped respectively
The pedestal of a cuboid is included, the upper and lower of pedestal end face inwardly is radially provided with respectively a stage clip and places counterbore
37, the outer end of back-moving spring 18 withstands on the bottom that corresponding stage clip places counterbore 37, and the inner end of back-moving spring 18 withstands on spring and blocks up
On 19, spring stifled 19 is threaded connection on the side wall of anchoring body 15, middle part and the jacking block 38 of pedestal end face outwardly
Inner end be connected as one, the end face outwardly of jacking block 38 be middle part outwardly convex arcwall face, on jacking block end face outwardly lay
There are multiple teeth 36.
Used as further improvement of the utility model, the top of above-mentioned connecting tube 13 is pacified with the bottom for hanging short circuit sleeve 11
Pretend company, the top for hanging short circuit sleeve 11 is connected with the middle part installation for hanging the bottom of flange 8.
As further improvement of the utility model, the bottom of above-mentioned anchoring body 15 be threaded connection be fixed with bottom block up
22, hang flange 8 and be connected with the flange of well head four-way 31 using anti-theft bolt 9 and anti-theft nut 10.
Used as further improvement of the utility model, the end face directed downwardly of above-mentioned suspension flange 8 is provided with well head steel ring 12, folder
The top of the tight lateral wall of bull stick 33 is fixed with spacing back-up ring 40.
Used as further improvement of the utility model, phase is installed in the top of above-mentioned suspension flange 8 with the bottom of nipple 4
Even, the top of nipple 4 is connected with valve 3, and the outside and top of valve 3 are provided with anti-theft protective cover 2, and the bottom of anti-theft protective cover 2 sets
There is opening, hang flange 8 and be located in anti-theft protective cover 2, anti-theft protective cover 2 is provided with can hang flange 8 and anti-theft protective cover 2 is locked in one
The lock 7 for rising.
As further improvement of the utility model, handle 1, nipple 4 are installed on the lateral wall of above-mentioned anti-theft protective cover 2
Side wall on pressure gauge 6 and pressure release safety valve 5 are installed, it is corresponding with pressure gauge 6 and pressure release safety valve 5 on anti-theft protective cover 2
Pressure watch window 28 is provided with position, gland 29 made by transparent material are installed at pressure watch window 28.Above-mentioned design
Make well mouth protector that there is gas pressure checking function, the pressure in flowline or in sleeve pipe can be detected, be provided with protective cover
Pressure watch window 28 can then be clearly observed borehole pressure.
As shown in figure 3, for rotating the specific purpose tool for opening above-mentioned well mouth protector, including what is vertically arranged
Sleeve 41, top and the bottom of spanner bull stick 44 of sleeve 41 are fixedly linked, and spanner bull stick 44 is vertically arranged, and spanner turns
The top of bar 44 is provided with rotation handle 45, and the middle and upper part of the endoporus of sleeve 41 is fitted with mandrel 42, along perpendicular on the lower surface of mandrel 42
Nogata is sleeved on the lateral wall for clamping the top of bull stick 33 to eccentric crank bearing pin patchhole 43 is provided with when sleeve 41 is coordinated with gap
When upper, eccentric crank bearing pin 30 is coordinated in the eccentric crank bearing pin patchhole 43 of insertion with gap.The eccentric crank of the specific purpose tool
Eccentric throw between the axis of bearing pin patchhole 43 and the axis of the endoporus of sleeve 41 has to the axis with eccentric crank bearing pin 30
It is equal with the eccentric throw between the axis that crank clamps bull stick 33, so can just allow the sleeve 41 of specific purpose tool to coordinate with gap
It is sleeved on the lateral wall for clamping the top of bull stick 33.By change specific purpose tool eccentric crank bearing pin patchhole 43 axis with
Eccentric throw between the axis of the endoporus of sleeve 41, and change the axis of eccentric crank bearing pin 30 and the axle of crank clamping bull stick 33
Eccentric throw between line, it is possible to allow stranger to be hard to turn on well mouth protector of the present utility model.
Well mouth protector of the present utility model and specific purpose tool when in use, can will be used for the above-mentioned well head of rotation unlatching and prevent
The sleeve 41 of the specific purpose tool of protection unit is sleeved on the lateral wall for clamping the top of bull stick 33 with gap cooperation, now eccentric crank
Bearing pin 30 is then coordinated in the eccentric crank bearing pin patchhole 43 of insertion with gap, and the rotation rotating spanner of handle 45 is then grasped again
Bull stick 44, you can allow clamping bull stick 33 to rotate.Oil reservoir set is fixed on when needs will clamp bull stick, eccentric crank bearing pin, fixture block etc.
When in pipe 32, need to use the specific purpose tool for rotating the above-mentioned well mouth protector of unlatching of the present utility model, can be by folder
The tight rotation lock leading screw 14 of bull stick 33, allows binding nut 16, lower binding nut 21 to do approximating along locking screw 14
Move toward one another, using the surface of upper binding nut 16, the truncated cone-shaped of lower binding nut 21 each fixture block 20 is pushed out, each card
Block 20 then while being affixed to the inwall of production string 32, and finally can tightly withstand on production string while compress back-moving spring 18
On 32 inwall, the parts such as bull stick, eccentric crank bearing pin, fixture block will be clamped and be locked in production string 32.And when needs
When taking out well mouth protector, it is also necessary to using the specific purpose tool direction rotating clip that above-mentioned well mouth protector is opened for rotation
Tight bull stick 33, allow binding nut 16, lower binding nut 21 along locking screw 14 do it is away from each other to each other move, allow folder
The distance between tight nut 16, lower binding nut 21 become big, then each fixture block 20 will be under the thrust of back-moving spring 18
The inwall of production string 32 is left, the parts such as bull stick, eccentric crank bearing pin, fixture block 20 thus can will be clamped and be taken out production string
32.Therefore, well mouth protector of the present utility model can avoid foreign body from falling in well makes oil well thoroughly destroy, and fundamentally prevents
The event for only stealing wellhead hardware occurs, and for oil field production safety guarantee is provided.
Well mouth protector of the present utility model is arranged on well head, may also function as the security protection to well head and well is intrinsic pressure
Power detection is acted on.
This utility model well mouth protector well mouth protector has a triple protection device, first again protection be protection
Cover, it is necessary to could open protective cover using specific purpose tool.Second again protection be anti-theft bolt, open protective cover after, it can be seen that
Big four is connected with wellhead flange by anti-theft bolt, it is necessary to can just remove four-way by specific purpose tool.Triple protection are bags
The Protective lock for clamping the compositions such as bull stick, eccentric crank bearing pin, fixture block is included, is turned because the axis of eccentric crank bearing pin is clamped with crank
The axis of bar mutually staggers setting, only using the special eccentric crank bearing pin of instrument insertion fixture block could be allowed to leave production string
Inwall, and then can just remove the parts such as the clamping bull stick in well head, eccentric crank bearing pin, fixture block.
The installation procedure of this utility model well mouth protector：
1st, manifold connection well head and pollution tank car, release residual liquid in well, release；
2nd, cementing truck, tank car fill well head kill-job, and blowout prevention is processed；
3rd, well head four-way is connected on wellhead flange with anti-theft bolt；
4th, fixture block 20 etc. is transferred in pit shaft, and it is locked；
5th, protective cover is buckled, anti-theft bolt of screwing on is installed.
This utility model well mouth protector disassembly procedure：
1st, oil pipe, annular pressure meter reading are observed；
2nd, anti-theft bolt is removed with specific purpose tool, removes protective cover；
3rd, fixture block 20 is opened with specific purpose tool, removes the Protective lock for clamping the compositions such as bull stick, eccentric crank bearing pin, fixture block；
4th, anti-theft bolt is removed with specific purpose tool, removes big four, dismounting is finished.
Claims (10)
1. well mouth protector, it is characterised in that：Including the connecting tube (13) for vertically arranging, connecting tube (13) is interior along axle
Bull stick (33) is clamped to being provided with, the top for clamping bull stick (33) is vertically provided with eccentric crank bearing pin (30), eccentric crank
The axis that the axis of bearing pin (30) clamps bull stick (33) with crank mutually staggers settings, the bottom of eccentric crank bearing pin (30) with press from both sides
The top of tight bull stick (33) is fixedly linked；
The bottom for clamping bull stick (33) is connected with the top of locking screw (14), and locking screw (14) includes being located at locking screw
(14) the upper thread segment on top and the lower thread segment positioned at locking screw (14) bottom, the thread rotary orientation on upper thread segment and lower spiral shell
Thread rotary orientation in stricture of vagina section is opposite each other, and lower binding nut (21) is installed with the lower thread segment of locking screw (14), locks silk
Binding nut (16) is installed with the upper thread segment of thick stick (14), the bottom of upper binding nut (16) is cone angle round platform directed downwardly
Shape, the top of lower binding nut (21) be located in cone angle truncated cone-shaped upward, connecting tube (13) upper binding nut (16) and under
Multiple fixture blocks (20) are provided with around locking screw (14) in cavity between binding nut (21), each fixture block (20) side inwardly
The top in face can be engaged with the surface of the truncated cone-shaped of upper binding nut (16) bottom, under each fixture block (20) side inwardly
Portion can be engaged with the surface of the truncated cone-shaped on lower binding nut (21) top, and each fixture block (20) can be in the work of back-moving spring (18)
Moved radially inwards with lower edge locking screw (14).
2. well mouth protector according to claim 1, it is characterised in that：The upper binding nut (16) and lower clamping spiral shell
The anchoring body (15) of tubular, the top of anchoring body (15) and the bottom fixing phase in connecting tube (13) are provided with the outside of female (21)
Even, position corresponding with each fixture block (20) is provided with fixture block via (34) for one respectively in anchoring body (15), each fixture block (20)
Radially corresponding fixture block via (34) fitted through using gap respectively.
3. well mouth protector according to claim 2, it is characterised in that：Along vertically on the side wall of the anchoring body (15)
Direction is provided with radially mounted respectively on the lateral wall of gathering sill (35), the upper binding nut (16) and lower binding nut (21)
There is slip pin (17), slip pin (17) is extended radially outward in the gathering sill (35) penetrated in anchoring body (15).
4. well mouth protector according to claim 3, it is characterised in that：The quantity of the fixture block (20) is 3-6,
Each fixture block (20) includes respectively the pedestal of a cuboid, and the upper and lower of pedestal end face inwardly is radially provided with respectively
One stage clip places counterbore (37), and the outer end of the back-moving spring (18) withstands on the bottom that corresponding stage clip places counterbore (37),
The inner end of back-moving spring (18) is withstood on spring stifled (19), and spring stifled (19) is threaded connection installed in the anchoring body (15)
Side wall on, middle part and the inner end of jacking block (38) of pedestal end face outwardly are connected as one, and jacking block (38) end face outwardly is
The arcwall face of middle part outwardly convex, is laid with multiple teeth (36) on jacking block end face outwardly.
5. well mouth protector according to claim 4, it is characterised in that：The top of the connecting tube (13) is short with suspension
The bottom of female connector cylinder (11) is installed and is connected, and phase is installed in the top for hanging short circuit sleeve (11) with the middle part for hanging flange (8) bottom
Even.
6. well mouth protector according to claim 5, it is characterised in that：The bottom of the anchoring body (15) passes through screw thread
It is fixedly connected with bottom stifled (22), suspension flange (8) is using anti-theft bolt (9) and anti-theft nut (10) and well head four-way (31)
Flange be connected.
7. well mouth protector according to claim 6, it is characterised in that：It is described to hang on flange (8) end face directed downwardly
Well head steel ring (12) is provided with, the top for clamping bull stick (33) lateral wall is fixed with spacing back-up ring (40).
8. the well mouth protector according to any one of claim 5 to 7, it is characterised in that：Suspension flange (8)
The bottom of top and nipple (4) install and be connected, the top of nipple (4) is connected with valve (3), the outside of valve (3) with
Top is provided with anti-theft protective cover (2), and the bottom of anti-theft protective cover (2) is provided with opening, and suspension flange (8) is positioned at anti-theft protective cover (2)
Interior, anti-theft protective cover (2) is provided with can will hang the lock (7) that flange (8) is locked together with anti-theft protective cover (2).
9. well mouth protector according to claim 8, it is characterised in that：The upper peace of anti-theft protective cover (2) lateral wall
Equipped with handle (1), pressure gauge (6) and pressure release safety valve (5) are installed, with pressure on anti-theft protective cover (2) on the side wall of nipple (4)
Pressure watch window (28), pressure watch window (28) place peace are provided with the corresponding position of power table (6) and pressure release safety valve (5)
Equipped with gland made by transparent material (29).
10. it is used to rotate the specific purpose tool for opening the well mouth protector any one of claim 1 to 7, its feature
It is：Including the sleeve (41) for vertically arranging, top and the bottom of spanner bull stick (44) of sleeve (41) are fixedly linked,
Spanner bull stick (44) is vertically arranged, and the top of spanner bull stick (44) is provided with rotation handle (45), sleeve (41) endoporus
Middle and upper part is fitted with mandrel (42), and eccentric crank bearing pin patchhole (43) is vertically provided with the lower surface of mandrel (42),
When the sleeve (41) is coordinated with gap to be sleeved on the lateral wall on clamping bull stick (33) top, the eccentric crank pin
Axle (30) is coordinated in eccentric crank bearing pin patchhole (43) of insertion with gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621099767.5U CN206174926U (en) | 2016-09-30 | 2016-09-30 | Well head protector and specialized tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621099767.5U CN206174926U (en) | 2016-09-30 | 2016-09-30 | Well head protector and specialized tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206174926U true CN206174926U (en) | 2017-05-17 |
Family
ID=58678243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621099767.5U Expired - Fee Related CN206174926U (en) | 2016-09-30 | 2016-09-30 | Well head protector and specialized tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206174926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351610A (en) * | 2016-09-30 | 2017-01-25 | 盘锦禹帝科技实业有限公司 | Well mouth protection device and special tool |
-
2016
- 2016-09-30 CN CN201621099767.5U patent/CN206174926U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351610A (en) * | 2016-09-30 | 2017-01-25 | 盘锦禹帝科技实业有限公司 | Well mouth protection device and special tool |
| CN106351610B (en) * | 2016-09-30 | 2018-10-30 | 盘锦禹帝科技实业有限公司 | Well mouth protector and specific purpose tool |
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Granted publication date: 20170517 Termination date: 20190930 |