CN208996689U - A kind of ram preventer - Google Patents
A kind of ram preventer Download PDFInfo
- Publication number
- CN208996689U CN208996689U CN201821669775.8U CN201821669775U CN208996689U CN 208996689 U CN208996689 U CN 208996689U CN 201821669775 U CN201821669775 U CN 201821669775U CN 208996689 U CN208996689 U CN 208996689U
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- China
- Prior art keywords
- lock shaft
- side door
- shell
- latch segment
- ram preventer
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Abstract
The utility model discloses a kind of ram preventer, and shell two sides are arranged in the side door for directly opening and directly closing freedom degree including the interior shell equipped with flashboard assembly and as hydraulic device a part；The side door side vertical with flashboard assembly is provided with latch segment, and the side of corresponding shell is provided with the lock shaft with rotary freedom and is fixed on the baffle of locking shaft end head；Described latch segment one end is fixed on side door, and side door is stretched out in one end and lock shaft cooperates；Latch segment has slot of the opening towards locking axis direction, and the width of slot is equal with lock shaft, and the thickness of latch segment is lower than the length of lock shaft, and latch segment is located at that the section of stretching out of slot two sides, wherein one section with raised.The purpose of the utility model is to provide a kind of ram preventers, change the connection type between shell and side door, can quickly fix or open side door, to realize the quick-replaceable of flashboard.
Description
Technical field
The utility model belongs to preventer technical field, and in particular to a kind of ram preventer.
Background technique
Ram preventer is the important component of well control system in oil drilling, it can effectively closed casing and tubing string it
Between annular space, be mainly used for controlling well head pressure during drilling well, well workover, formation testing etc., effectively prevent gas blowout accident
Occur, realizes safe construction.
Need to assemble the flashboard of corresponding aperture size for various sizes of drilling rod, casing, oil pipe, or replacement has damaged
Flashboard etc..Conventional preventer realizes the connection between shell and side door using side door bolt, opens side door replacement flashboard and needs
Disassembly, installation side door bolt, large labor intensity, replacing construction are long.
Utility model content
Goal of the invention: in view of the deficienciess of the prior art, the purpose of the utility model is to provide a kind of ram preventer,
Change the connection type between shell and side door, can quickly fix or open side door, to realize the quick-replaceable of flashboard.
Technical solution: in order to achieve the above-mentioned object of the invention, the technical solution adopted in the utility model is as follows: a kind of flashboard is anti-
Spray apparatus has including the interior shell equipped with flashboard assembly and in shell two sides as the setting of hydraulic device a part and directly opens and directly close
The side door of freedom degree；The side door side vertical with flashboard assembly is provided with latch segment, and the side of corresponding shell is provided with
Lock shaft with rotary freedom and the baffle for being fixed on locking shaft end head；Described latch segment one end is fixed on side door, and one
Side door is stretched out at end and lock shaft cooperates；Latch segment has slot of the opening towards locking axis direction, and the width of slot is equal with lock shaft,
The thickness of latch segment is lower than the length of lock shaft, latch segment be located at slot two sides section of stretching out, wherein one section have it is raised.
Preferably, the side door is a cylinder cap of hydraulic device, it is interior to be equipped with oil circuit and unidirectional valve assembly；The liquid
Pressure device further includes oil cylinder, piston and outer cylinder cap；The oil cylinder, outer cylinder cap pass through oil from outer cylinder cap outer end face by oil cylinder bolt
It is connect on the outside of cylinder with side door；The piston internally passes through piston shaft and connect with flashboard assembly, externally total by piston shaft and manual control
At connection.
Preferably, the outer cylinder cap two sides are additionally provided with and stretch the intracorporal piston rod of shell across side door.
Preferably, counterbore is arranged in the surface of shell, lock shaft is T shape axis, and protruding end is located at counterbore base, is sunk
Be additionally provided with spring between hole bottom and lock shaft, also set up clamping sleeve in counterbore, be sleeved on lock shaft and with counterbore interference
Cooperation, clamping sleeve lower end surface are contacted with the end face of lock shaft protruding end, and lock shaft external end head is connected with baffle.
Preferably, uniform salient point is arranged on the face that the lock shaft protruding end and clamping sleeve contact with each other.
Preferably, four the first keyways are circumferentially uniformly arranged in the position that the lock shaft is contacted with housing outer surface,
Corresponding second keyway is arranged in housing outer surface corresponding with the first keyway, and the first keyway and the second keyway are cooperatively formed with rectangle
Slot, set key fixes lock shaft in rectangular channel,
Preferably, two sides that the side door is vertical with flashboard assembly, two latch segments are arranged in each side, corresponding
Surface of shell matched lock shaft and baffle are set.
Preferably, groove is arranged on the side door and shell, the latch segment is arranged in the groove of side door, locking
Axis and baffle plate setting are in the groove on shell.
The utility model has the advantages that compared with prior art, when the utility model has the advantage that replacement flashboard, not needing to dismantle
Side door bolt, replacing construction is short, mitigates the labor intensity that operator tears side door bolt open, improves operating efficiency.
Detailed description of the invention
Fig. 1 is overall structure diagram；
Fig. 2 is Fig. 1 top view；
Fig. 3 be in Fig. 1 at I when side door closed state with casing connecting structure enlarged drawing；
When Fig. 4 is side door opening state in Fig. 3 with casing connecting structure enlarged drawing；
Fig. 5 is latch segment three-dimensional structure figure；
Fig. 6 is lock shaft and casing connecting structure figure；
Structure chart when Fig. 7 is spring confined state in Fig. 6；
Fig. 8 is lock shaft and casing connecting structure figure；
Fig. 9 is sectional view at Fig. 8 keyway.
Specific embodiment
The utility model is furtherd elucidate with reference to the accompanying drawing.
As shown in Figs. 1-5, a kind of ram preventer, including the interior shell 1 equipped with flashboard assembly 3 and as hydraulic device one
1 two sides of shell, which are arranged in, in part has the side door 2 for directly opening and directly closing freedom degree；The side setting vertical with flashboard assembly 3 of side door 2
There is latch segment 21, the side of corresponding shell 1 is provided with the lock shaft 11 with rotary freedom and is fixed on 11 end of lock shaft
The baffle 12 of head；21 one end of latch segment is fixed on side door 2, and side door 2 is stretched out in one end and lock shaft 11 cooperates；Latch segment 21 has
There is slot 22 of the opening towards 11 direction of lock shaft, the width of slot 22 is equal with lock shaft 11, and the thickness of latch segment 21 is lower than locking
The length of axis 11, latch segment 21 be located at the section of stretching out 24,25 of 22 two sides of slot wherein one section have protrusion 23.
Side door 2 is a cylinder cap of hydraulic device, interior to be equipped with oil circuit 30 and unidirectional valve assembly 31；Hydraulic device further includes
Oil cylinder 4, piston 5 and outer cylinder cap 6；Oil cylinder 4, outer cylinder cap 6 by oil cylinder bolt from outer 6 outer end face of cylinder cap pass through the outside of oil cylinder 4 with
Side door 2 connects；Piston 5 is connect by 5 axis of piston with flashboard assembly 3 to interior, is externally connect by 5 axis of piston with manual assembly.
Outer 6 two sides of cylinder cap are additionally provided with the piston rod 7 stretched in shell 1 across side door 2.
In above-mentioned technical proposal, baffle 12 is rotated to horizontal position first, then by hydraulic device piston shaft with
Flashboard assembly 3 connects, and is then extended in shell 1 by piston rod 7 and is connect with shell 1, keeps side door 2 mobile by hydraulic oil effect
To closed position, the slot 22 of the latch segment 21 on side door 2 passes through the lock shaft 11 on shell 1 at this time, and lock shaft 11 is located at locking
In the slot 22 of block 21, baffle 12 is then rotated clockwise or counter-clockwise, if having protrusion 23 in section of stretching out 24, is revolved clockwise
Turn baffle 12, if having protrusion 23, butterfly 12 counterclockwise in section of stretching out 25.By the rotation of baffle 12 to upright position, gear
Plate 12 blocks the protrusion 23 in section of stretching out 24 or section of stretching out 25, to limit the movement of side door 2, side door 2 is fixed on shell 1
On.When needing replacing flashboard assembly 3, baffle 12 is rotated to horizontal position, latch segment 21 can be with free movement, by latch segment
21 disengage with lock shaft 11, replace by means of group hydraulic device by the opening of side door 2, again by flashboard assembly 3.
Baffle 12 rotates during vibration in order to prevent, takes the rotary freedom of following scheme limitation lock shaft 11.
The first scheme, such as Fig. 6, shown in 7, counterbore 13 is arranged in 1 surface of shell, and lock shaft 11 is T shape axis, protruding end position
It is additionally provided with spring 14 between 13 bottom of counterbore, 13 bottom of counterbore and lock shaft 11, clamping sleeve 15, set are also set up in counterbore 13
It is interference fitted on lock shaft 11 and with counterbore 13,15 lower end surface of clamping sleeve is contacted with the end face of 11 protruding end of lock shaft, is locked
11 external end head of mandrel is connected with baffle 12.
When installation, now spring 14 is filled in counterbore 13, then by lock shaft 11 be mounted in counterbore 13 and with spring 14
Contact, when spring 14 is in original state, clamping sleeve 15 is sleeved on lock shaft 11 and is knocked in counterbore 13 with tool, will
Clamping sleeve 15 continues to knock in some distances when striking the protrusion end in contact as lock shaft 11, so that spring 14 generates one by minute-pressure contracting
A initial compressing force, the axial reaction force that the compression of spring 14 generates acts on 11 protruding end of lock shaft, so that protruding end
Generation frictional force is fitted closely between clamping sleeve 15, lock shaft 11 can not rotate, and limit the rotary freedom of lock shaft 11.
When needing to rotate lock shaft 11, continue press lock shaft 11, spring 14 be further compressed so that 11 protruding end of lock shaft with
Clamping sleeve 15 separates, as shown, rotation lock shaft 11, loosens lock shaft 11,11 protruding end of lock shaft and pressure after being rotated in place
Fixed 15 are bonded again.Frictional force between protruding end and clamping sleeve 15 in order to further increase, in protruding end and clamping sleeve 15
Uniform salient point is set on the face to contact with each other.
Second scheme, such as Fig. 8 shown in 9, are circumferentially uniformly arranged in lock shaft 11 and the position of 1 appearance face contact of shell
Four the first keyways 16,1 outer surface of shell corresponding with the first keyway 16 are arranged corresponding second keyway 17, the first keyway 16 with
Second keyway 17 is cooperatively formed with rectangular channel, and set key 18 is fixed by lock shaft 11 in rectangular channel, limits its rotary freedom.
When needing to rotate lock shaft 11, key 18 is taken out, after side door 2 is installed in place, key 18 is mounted on the first keyway 16
It is cooperatively formed in rectangular channel with the second keyway 17.
Two latch segments 21, corresponding 1 table of shell is arranged in two sides vertical with flashboard assembly 3 of side door 2, each side
Matched lock shaft 11 and baffle 12 is arranged in face.
When transporting and pack in order to prevent to the colliding with of latch segment 21 and lock shaft 11, damage so that side door 2 is outer
Surface is neat, easy to pack.Groove is set on side door 2 and shell 1, latch segment 21 is arranged in the groove of side door 2, lock shaft
11 and baffle 12 be arranged in the groove on shell 1.
Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of this utility model, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of ram preventer, it is characterised in that: including the interior shell (1) equipped with flashboard assembly (3) and as hydraulic device
A part setting has the side door (2) directly opened and directly close freedom degree in shell (1) two sides；The side door (2) and flashboard assembly (3)
Vertical side is provided with latch segment (21), and the side of corresponding shell (1) is provided with the lock shaft with rotary freedom
(11) and it is fixed on the baffle (12) of lock shaft (11) end；Described latch segment (21) one end is fixed on side door (2), and one end is stretched
Side door (2) and lock shaft (11) cooperate out；Latch segment (21) has slot (22) of the opening towards lock shaft (11) direction, slot (22)
Width it is equal with lock shaft (11), the thickness of latch segment (21) is lower than the length of lock shaft (11), and latch segment (21) is located at slot
(22) section of stretching out (24) of two sides, (25) wherein one section there are raised (23).
2. ram preventer according to claim 1, it is characterised in that: the side door (2) is a cylinder of hydraulic device
Lid, it is interior to be equipped with oil circuit (30) and unidirectional valve assembly (31)；The hydraulic device further includes oil cylinder (4), piston (5) and outer cylinder cap
(6)；The oil cylinder (4), outer cylinder cap (6) is passed through on the outside of oil cylinder (4) by oil cylinder bolt from outer cylinder cap (6) outer end face and side door
(2) it connects；The piston (5) is internally connect by piston (5) axis with flashboard assembly (3), and piston (5) axis and manual control are externally passed through
Assembly connection.
3. ram preventer according to claim 2, it is characterised in that: outer cylinder cap (6) two sides are additionally provided with across side
Door (2) stretches the piston rod (7) in shell (1).
4. ram preventer according to claim 1, it is characterised in that: on the shell (1) surface, counterbore (13) are set,
Lock shaft (11) is T shape axis, and protruding end is located at counterbore (13) bottom, is additionally provided between counterbore (13) bottom and lock shaft (11)
Spring (14), counterbore (13) is interior to also set up clamping sleeve (15), is sleeved on lock shaft (11) and is interference fitted with counterbore (13),
Clamping sleeve (15) lower end surface is contacted with the end face of lock shaft (11) protruding end, and lock shaft (11) external end head is connected with baffle (12).
5. ram preventer according to claim 4, it is characterised in that: in the lock shaft (11) protruding end and clamping sleeve
(15) uniform salient point is set on the face to contact with each other.
6. ram preventer according to claim 1, it is characterised in that: in the lock shaft (11) and shell (1) appearance
The position of face contact is circumferentially uniformly arranged four the first keyways (16), and shell (1) outer surface corresponding with the first keyway (16) is set
Corresponding second keyway (17) is set, the first keyway (16) and the second keyway (17) are cooperatively formed with rectangular channel, the interior setting of rectangular channel
Key (18) is fixed by lock shaft (11).
7. ram preventer according to claim 1, it is characterised in that: the side door (2) is vertical with flashboard assembly (3)
Two sides, each side are arranged two latch segments (21), corresponding shell (1) surface be arranged matched lock shaft (11) and
Baffle (12).
8. ram preventer according to claim 1, it is characterised in that: be arranged on the side door (2) and shell (1) recessed
Slot, the latch segment (21) are arranged in the groove of side door (2), and lock shaft (11) and baffle (12) are arranged on shell (1)
In groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821669775.8U CN208996689U (en) | 2018-10-16 | 2018-10-16 | A kind of ram preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821669775.8U CN208996689U (en) | 2018-10-16 | 2018-10-16 | A kind of ram preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208996689U true CN208996689U (en) | 2019-06-18 |
Family
ID=66802729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821669775.8U Active CN208996689U (en) | 2018-10-16 | 2018-10-16 | A kind of ram preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208996689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593801A (en) * | 2019-09-26 | 2019-12-20 | 张化庆 | Annular blowout preventer of oil field wellhead |
-
2018
- 2018-10-16 CN CN201821669775.8U patent/CN208996689U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593801A (en) * | 2019-09-26 | 2019-12-20 | 张化庆 | Annular blowout preventer of oil field wellhead |
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| GR01 | Patent grant |