CN203008842U - Multifunctional cable blowout preventer - Google Patents
Multifunctional cable blowout preventer Download PDFInfo
- Publication number
- CN203008842U CN203008842U CN 201220737051 CN201220737051U CN203008842U CN 203008842 U CN203008842 U CN 203008842U CN 201220737051 CN201220737051 CN 201220737051 CN 201220737051 U CN201220737051 U CN 201220737051U CN 203008842 U CN203008842 U CN 203008842U
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- side door
- pair
- housing
- flashboard
- oil duct
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Abstract
The utility model discloses a multifunctional cable blowout preventer. The multifunctional cable blowout preventer comprises a shell, a cable wedge disc assembly, a pair of side doors and side door bolts, a pair of floating seal assemblies, four one-way valves, a pair of cylinder covers, a pair of pistons, and a pair of hand wheels. The shell is in bilateral symmetry, a round inner cavity is formed inside the shell, the cable wedge disc assembly is arranged in the round inner cavity of the shell, the side doors are arranged on the two sides of the shell, the pair of floating seal assemblies are arranged between the shell and the side doors, and are used for tightly sealing the shell and the side doors, the four one-way valves are arranged between the shell and the side doors, the pair of cylinder covers are arranged on one side of the side doors, the pair of pistons comprise piston bodies, front piston rods, and back piston rods, wherein the piston bodies are arranged in cavity space inside the side doors, the front piston rods penetrate through side door bodies and are connected with the cable wedge disc assembly, the back piston rods penetrate inside the cylinder covers, and the pair of hand wheels are arranged on one sides of the cylinder covers, and penetrate inside the cylinder cover and abut against the pistons. The multifunctional cable blowout preventer is capable of quickly sealing cables, oil rods, polish rods, and oil tubes, and has a righting function. The multifunctional cable blowout preventer has the advantages of being good in abrasive resistance and corrosion resistance, high in pressure bearing, applicable to acidic complex working conditions, simple in structure, and convenient to operate.
Description
Technical field
The utility model relates to a kind of well-control equipment for oil, natural gas probing, relates in particular to a kind of multi-functional cable preventer.
Background technology
Along with going deep into of petroleum exploration and development, for a nearly step is improved rate of penetration, prolongation bit life, reduction drilling cost, complete the drilling well task of complicated well section, new drilling technologies such as air drilling, foam drilling and casing drilling of the increasing employing of petroleum industry, these new drilling technologies have proposed Secretary to logging technique and well logging relevant device, especially the drilling safety equipment most important thing especially.The cable blowout control device of development Mobyneb seems very important.
The utility model content
The utility model provides a kind of multi-functional cable preventer, can the fast sealing cable, beam hanger, polished rod, oil pipe, also have simultaneously the righting function, and abrasion resistance, anti-corrosive properties are good, and pressure-bearing is high, can be applicable to acid complex working condition, simple in structure, easy to operate.
The utility model adopts following technical scheme to realize:
A kind of multi-functional cable preventer is characterized in, comprises:
Housing, described housing is the bilateral symmetry structure, is provided with round cavity in it;
Cable flashboard assembly, described cable flashboard assembly is arranged in the round cavity of housing;
A pair of side door and a plurality of side door bolt, a pair of floating seal assembly, a pair of described side door are separately positioned on housing both sides, and described side door comprises side door body and door jamb, and described side door body and door jamb are one-body molded; Described floating seal assembly is arranged between housing and side door; A plurality of described side door bolts are fastened on side door on housing, and pass through the floating seal assembly with housing and side door tightening seal;
Four one way valves, described one way valve are arranged between housing and side door;
A pair of cylinder cap, described cylinder cap is arranged on the port of door jamb, and described cylinder cap and side door consist of the cavity space of the hollow of side door;
Pair of pistons, described piston comprises piston body and is vertically set on respectively secondary piston bar and the back piston bar of piston body both sides, described secondary piston boom end is provided with boss, described piston body is arranged in the cavity space of side door, described secondary piston bar runs through the side door body, and be connected with cable flashboard assembly, described back piston bar penetrates in cylinder cap;
A pair of handwheel, described handwheel are arranged on cylinder cap one side, and the back piston bar that penetrates in cylinder cap with piston offsets.
Above-mentioned multi-functional cable preventer is characterized in, described cable flashboard assembly comprises:
A pair of flashboard body, the contacted end of a pair of described flashboard body are provided with front end slot and two groups guiding swords, and the other end of described flashboard body is provided with groove, and described flashboard body top is provided with top slot, and described top slot is made as semicircular ring;
A pair of top glue core, described top glue core is arranged in the top slot of flashboard body, with flashboard body and housing seal;
A pair of anterior glue core, described anterior glue core is arranged in the front end slot of flashboard body, with a pair of flashboard body sealing;
A pair of feather key and a plurality of screw, described feather key is arranged on the bottom of flashboard body, and is connected with the flashboard body by a plurality of screws.
Above-mentioned multi-functional cable preventer is characterized in, the boss of a pair of described secondary piston boom end embeds respectively in the groove of a pair of flashboard body one end, and piston is connected with cable flashboard assembly.
Above-mentioned multi-functional cable preventer is characterized in, two groups of guiding sword opposite directions on each described flashboard body, and on a pair of described flashboard body, corresponding guiding sword matches each other.
Above-mentioned multi-functional cable preventer is characterized in, described anterior glue core and top glue core are complex as a whole by high durometer rubber and metallic framework sulfuration.
Above-mentioned multi-functional cable preventer is characterized in, described floating seal assembly comprises: floating seal skeleton, front sealing ring, rear sealing ring; Described front sealing ring is arranged between floating seal skeleton and housing, and with floating seal assembly and housing seal, described rear sealing ring is arranged between floating seal skeleton and side door, with floating seal assembly and side door sealing.
Above-mentioned multi-functional cable preventer is characterized in, sets gradually pull bar envelope and Y type envelope between the secondary piston bar of described piston and the side door body of side door, with secondary piston bar and the sealing of side door body; The two-way lip envelope of twice is set, with piston body and door jamb sealing between described piston body and door jamb; Set gradually Y type envelope and O type circle between described back piston bar and cylinder cap, with back piston bar and cylinder cap sealing.
Above-mentioned multi-functional cable preventer is characterized in, on described housing, relative both sides are respectively equipped with and open hydraulic fluid port and close hydraulic fluid port; First of mutual perforation is set respectively in housing and side door opens oil duct, the second unlatching oil duct, first in described housing opened oil duct and opened the hydraulic fluid port perforation, and the cavity space that second in described side door opened oil duct one end and side door connects; First of mutual perforation is set respectively in housing and side door, cylinder cap closes oil duct, second and closes oil duct, the 3rd and close oil duct, in described housing first closed oil duct and connected with closing hydraulic fluid port, and the cavity space that the 3rd in described cylinder cap closed oil duct one end and side door connects;
Above-mentioned multi-functional cable preventer, be characterized in, a plurality of described one way valves are arranged between housing and side door, and second closing on oil duct of being separately positioned on that first in housing open that second in oil duct and side door opened on oil duct, first in housing closed oil duct and side door is interior.
The utlity model has following good effect:
(1) the utility model is owing to comprising cable flashboard assembly and piston, piston is connected with cable flashboard assembly, can be by outside Remote Hydraulic control device or the side-to-side movement of handwheel pushing piston, thereby drive the side-to-side movement of cable flashboard assembly, therefore the utility model can be realized shut-in well fast in cable perforation, wireline logging operation, prevent gas blowout accident, or realize driving a well operation.(2) the utility model because the inner chamber in housing adopts circular configuration, can effectively reduce stress and concentrate, and has stress reasonable, pressure-bearing is high, the characteristics of compact conformation, and round cavity surface process nickel plating phosphorus is processed, anti-corrosive properties are good, can be applicable under acid complex working condition; The utility model is because housing adopts full forged steel pieces, and after heat treatment the property indices such as tensile strength, impact toughness can reach the 75K requirement in " drilling channel equipment code " API 16A.(3) the utility model because cable flashboard assembly comprises a pair of flashboard body that is provided with the guiding sword that matches each other, guiding sword surface is through quenching heat treatment, so the utility model hermetically-sealed cable segment length, pressure-bearing is high, also has good righting performance, abrasion resistance is good; The utility model is owing to being provided with top glue core and anterior glue core on the flashboard body, so the utility model sealing performance is reliable.(4) the utility model is owing to adopting the integral type side door, side door body and door jamb are one-body molded, side door possesses the function of side door and oil cylinder simultaneously, compares with the oil cylinder split-type structural with traditional side door, and side door oil cylinder integrative-structure quality of fit of the present utility model is higher.(5) the utility model is owing to adopting the floating seal assembly to seal between housing and side door, front sealing ring and rear sealing ring are set on the floating seal skeleton of floating seal assembly, therefore floating seal assembly initial sealing of the present utility model is good, well is pressed and is helped sealing property good, can be applicable to press under operating mode higher than the well of 70Mpa.(6) the utility model is owing to arranging four one way valves between housing and side door, so the utility model can effectively prevent the leakage of hydraulic control oil when dismounting is maintained, and stops environment pollution.(7) the utility model is owing to having handwheel, in the situation that without hydraulic power source, can close well operations by the turn handwheel.
Description of drawings
Fig. 1 is the overall structure elevation of a kind of multi-functional cable preventer of the utility model;
Fig. 2 is the overall structure top view of a kind of multi-functional cable preventer of the utility model;
Fig. 3 is the structural representation of the cable flashboard assembly of a kind of multi-functional cable preventer of the utility model;
Fig. 4 is the structural representation of the flashboard body of a kind of multi-functional cable preventer of the utility model;
Fig. 5 is the structural representation of the floating seal assembly of a kind of multi-functional cable preventer of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing, by describing a better specific embodiment in detail, the utility model is further elaborated.
Consult shown in accompanying drawing 1 and accompanying drawing 2, a kind of multi-functional cable preventer of the utility model comprises: housing 1, cable flashboard assembly 7, a pair of side door 2 and a plurality of side door bolt 9,6, four one way valves 8 of a pair of floating seal assembly, a pair of cylinder cap 4, pair of pistons 3, a pair of handwheel 5.
Housing 1 is the bilateral symmetry structure, is provided with round cavity in it.In the present embodiment, housing 1 adopts full wrought alloy steel to form, and after heat treatment the property indices such as tensile strength, impact toughness reaches the 75K requirement in " drilling channel equipment code " API 16A.Inner chamber in housing 1 adopts circular configuration, can effectively reduce stress and concentrate, and has stress reasonable, pressure-bearing is high, the characteristics of compact conformation, and round cavity surface process nickel plating phosphorus is processed, nickel phosphorus layer thickness is greater than 0.04mm, and anti-corrosive properties are good, can be applicable under acid complex working condition.On housing 1, relative both sides are respectively equipped with and open hydraulic fluid port 11 and close hydraulic fluid port 12, being respectively equipped with the left and right in housing 1 runs through first of housing 1 and opens oil duct 13 and left and right and run through first of housing 1 and close oil duct 14, the first unlatching oil duct 13 connects with opening hydraulic fluid port 11, and first closes oil duct 14 and close hydraulic fluid port 12 perforations.
Cable flashboard assembly 7 is arranged in the round cavity of housing 1.Consult shown in accompanying drawing 3, cable flashboard assembly 7 comprises: a pair of flashboard body 71, a pair of top glue core 72, a pair of anterior glue core 73, a pair of feather key 74 and a plurality of screw 75.Coordinate and consult shown in accompanying drawing 4, the contacted end of a pair of flashboard body 71 is provided with front end slot 713 and two groups of guiding swords 715, two groups of guiding sword 715 opposite directions on each flashboard body 71, wherein one group of guiding sword 715 is protruding, another group guiding sword 715 is recessed, guiding sword 715 corresponding on a pair of flashboard body 71 matches each other, and the guiding sword 715 of this structure has good righting performance.The other end of flashboard body 71 is provided with groove 716.Flashboard body 71 tops are provided with top slot 714, and this top slot 714 is made as semicircular ring.In the present embodiment, flashboard body 71 is by the cast molding of middle carbon quenched and tempered steel one, and guiding sword 715 surfaces are through power frequency heat hardening heat treatment, and abrasion resistance is good.A pair of top glue core 72 is separately positioned in the top slot 714 of a pair of flashboard body 71, with flashboard body 71 and housing 1 sealing.A pair of anterior glue core 73 is separately positioned in the front end slot 713 of a pair of flashboard body 71, with a pair of flashboard body 71 sealings.Anterior glue core 73 and top glue core 72 materials are that high durometer rubber and metallic framework sulfuration form, and the performance indications of its rubber need reach following parameter: tensile strength 18 ~ 25Mpa, and elongation per unit length 300 ~ 500, compressive strain is less than 20%, and tearing strength is greater than 4Mpa.A pair of feather key 74 is separately positioned on the bottom of a pair of flashboard body 71, and is connected with flashboard body 71 by a plurality of screws 75.The cable flashboard assembly 7 hermetically-sealed cable segment lengths of this structure, pressure-bearing is high, and sealing performance is reliable.
A pair of side door 2 is separately positioned on housing 1 both sides.Side door 2 comprises side door body 21 and door jamb 22, side door body 21 adopts the alloy steel casting one-body molded with door jamb 22, side door 2 possesses the function of side door and oil cylinder simultaneously, compares with the oil cylinder split-type structural with traditional side door, and side door oil cylinder integrative-structure quality of fit of the present utility model is higher.Be provided with the second unlatching oil duct 23 and second in side door 2 and close oil duct 24, second opens oil duct 23 runs through side door body 21, in one end and housing 1 first opened the corresponding and perforation mutually in oil duct 13 positions, second closes oil duct 24 runs through side door body 21 and door jamb 22, and first in one end and housing 1 closed the corresponding and perforation mutually in oil duct 14 positions.
A pair of floating seal assembly is separately positioned between housing 1 and side door 2, and a plurality of side door bolts 9 are fastened on side door 2 on housing 1, and passes through floating seal assembly 6 with housing 1 and side door 2 tightening seals.Consult shown in accompanying drawing 5, floating seal assembly 6 comprises: floating seal skeleton 61, front sealing ring 62, rear sealing ring 63.Front sealing ring 62 is arranged between floating seal skeleton 61 and housing 1, with floating seal assembly 6 and housing 1 sealing.Rear sealing ring 62 is arranged between floating seal skeleton 61 and side door 2, with floating seal assembly 6 and side door 2 sealings.The floating seal assembly initial sealing of this structure is good, and front sealing ring 62 and rear sealing ring 63 help envelope in the situation that well is pressed, and can effectively realize the sealing between floating seal skeleton 61 and housing 1 and side door 2, can be applicable to press under operating mode higher than the well of 70Mpa.Four one way valves 8 are arranged between housing 1 and side door 2, and be separately positioned on that first in housing 1 opens that second in oil duct 13 and side door 2 opened on oil duct 23, first in housing 1 close second in oil duct 14 and side door 2 and close on oil duct 24.Can effectively prevent the leakage of hydraulic oil when dismounting maintenance the utility model multi-functional cable preventer, stop environment pollution.
Cylinder cap 4 is arranged on the port of the door jamb 22 of side door 2, is connected with side door 2 by screw, and with side door 2 sealings, cylinder cap 4 and the side door body 21 of side door 2, the cavity space that door jamb 22 consists of the hollow of side door 2.In the present embodiment, cylinder cap 4 is made as convex shape, the convex shape bottom is connected with side door 2, its top bump part of horizontal arranges, cylinder cap 4 inside are provided with the through hole that cavity and level run through cylinder cap 4, cavity in this through hole and cylinder cap 4 connects, and the cavity diameter in cylinder cap 4 is greater than this through-hole diameter, and the through-hole wall of cylinder cap 4 top bump one ends is provided with internal thread.Being provided with the 3rd in cylinder cap 4 closes second in a end that oil duct 41, the three closes oil duct 41 and door jamb 22 to close oil duct 24 positions corresponding and mutually connect the cavity space perforation of the hollow of its other end and side door 2.
Piston 3 comprises piston body 31 and is vertically set on respectively secondary piston bar 32 and the back piston bar 33 of piston body 31 both sides, and piston body 31 and secondary piston bar 32, back piston bar 33 are structure as a whole, and the end of secondary piston bar 32 is provided with boss 320.Piston body 31 is arranged in the cavity space of side door 2, secondary piston bar 32 runs through side door body 21, the groove 716 of boss 321 embedding flashboard body 71 1 ends of its end is interior to be connected piston 3 with cable flashboard assembly 7, the through hole of back piston bar 33 bottom cylinder cap 4 convex shapes penetrates in the interior cavity of cylinder cap 4.Set gradually pull bar envelope 321 and Y type between the secondary piston bar 32 of piston 3 and the side door body 21 of side door 2 and seal 322, with secondary piston bar 32 and 21 sealings of side door body, wherein pull bar envelope 321 is used for the sealed well pressure, and Y type envelope is used for the unseal oil pressure; The two-way lip envelope 323 of twice is set, with piston body 31 and door jamb 22 sealings between piston body 31 and door jamb 22; Set gradually Y type envelope 324 and O type circle 325 between back piston bar 33 and cylinder cap 4, with back piston bar 33 and cylinder cap 4 sealings, wherein Y type envelope 324 is used for the hermetically closing oil pressure, and O type circle 325 is used for dustproof.
Handwheel 5 is arranged on a side of cylinder cap 4, and the back piston bar 33 that penetrates in cylinder cap 4 with piston 3 offsets.Handwheel 5 comprises wheel body (not marking in accompanying drawing) and the handwheel connecting rod (not marking in accompanying drawing) that is connected with wheel body, handwheel connecting rod outer wall is provided with external screw thread, this handwheel connecting rod penetrates in the interior cavity of cylinder cap 4 by the through hole of cylinder cap 4 top bump parts, offset with the back piston bar 33 in the cavity that penetrates cylinder cap 4, and can penetrate the length in cylinder cap 4 and contact with back piston bar 33 by the adjusting handle connecting rod.
The utility model multi-functional cable preventer is connected with the Remote Hydraulic control device of outside, and the Remote Hydraulic control device is connected respectively to the unlatching hydraulic fluid port 11 of preventer housing and cuts out hydraulic fluid port 12 by high-pressure hose.When promptly needing closing well, can control the hand-operated valve of Remote Hydraulic control device, hydraulic oil is closed second in oil duct 14, side door 2 by first in housing 1 successively and is closed the 3rd in oil duct 24, cylinder cap 4 and close oil duct 41 and send between cylinder cap 4 and piston body 31, hydraulic drive pair of pistons 3 of the present utility model is respectively to 21 motions of side door body, pair of pistons 3 promotes respectively a pair of flashboard body 71 that is connected with secondary piston bar 32 to the central motion of housing 1, thereby realize shut-in well fast in cable perforation, wireline logging operation, prevent gas blowout accident.When needs drive a well, can control the hand-operated valve of Remote Hydraulic control device, hydraulic oil is sent between side door body 21 and piston body 31 by the second unlatching oil duct 23 that first in housing 1 opened in oil duct 13, side door 2 successively, hydraulic drive pair of pistons 3 of the present utility model is respectively to cylinder cap 4 motions, pair of pistons 3 pulls respectively a pair of flashboard body 71 that is connected with secondary piston bar 32 disconnected from each other, thereby realizes driving a well.Adopt the operation of Remote Hydraulic control device under the utility model routine, in the situation that without hydraulic power source, can close well operations by turn handwheel 5.By turn handwheel 5, adjusting handle 5 penetrates the length in cylinder cap 4, making it the back piston bar 33 interior with penetrating cylinder cap 4 contacts, thereby pushing piston 3 is to housing 1 central motion, and motion together with the flashboard body 71 that connects of the secondary piston bar 32 of drive and piston 3, thereby realize fast shut-in well and prevent gas blowout accident in cable perforation, wireline logging operation.
In sum, the utility model can be applied to the operations such as cable perforation, wireline logging, solved cable perforation open flow technical barrier, improved the safety factor of cable perforation construction, improved production efficiency, and the utility model also can be used for construction and seal sucker rod, polished rod, oil pipe, realizes the conventional drilling operation.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute will be all apparent.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (9)
1. a multi-functional cable preventer, is characterized in that, comprises:
Housing (1), described housing (1) is the bilateral symmetry structure, is provided with round cavity in it;
Cable flashboard assembly (7), described cable flashboard assembly (7) is arranged in the round cavity of housing (1);
A pair of side door (2) and a plurality of side door bolt (9), a pair of floating seal assembly (6), a pair of described side door (2) is separately positioned on housing (1) both sides, described side door (2) comprises side door body (21) and door jamb (22), and described side door body (21) is one-body molded with door jamb (22); Described floating seal assembly (6) is arranged between housing (1) and side door (2); A plurality of described side door bolts (9) are fastened on side door (2) on housing (1), and pass through floating seal assembly (6) with housing (1) and side door (2) tightening seal;
Four one way valves (8), described one way valve (8) are arranged between housing (1) and side door (2);
A pair of cylinder cap (4), described cylinder cap (4) is arranged on the port of door jamb (22), and described cylinder cap (4) and side door (2) consist of the cavity space of the hollow of side door (2);
Pair of pistons (3), described piston (3) comprises piston body (31) and is vertically set on respectively secondary piston bar (32) and the back piston bar (33) of piston body (31) both sides, described secondary piston bar (32) end is provided with boss (320), described piston body (31) is arranged in the cavity space of side door (2), described secondary piston bar (32) runs through side door body (21), and be connected with cable flashboard assembly (7), described back piston bar (33) penetrates in cylinder cap (4);
A pair of handwheel (5), described handwheel (5) are arranged on cylinder cap (4) one sides, and the back piston bar (33) that penetrates in cylinder cap (4) with piston (3) offsets.
2. multi-functional cable preventer as claimed in claim 1, is characterized in that, described cable flashboard assembly (7) comprises:
A pair of flashboard body (71), the contacted end of a pair of described flashboard body (71) is provided with front end slot (713) and two groups of guiding swords (715), the other end of described flashboard body (71) is provided with groove (716), described flashboard body (71) top is provided with top slot (714), and described top slot (714) is made as semicircular ring;
A pair of top glue core (72), described top glue core (72) are arranged in the top slot (714) of flashboard body (71), with flashboard body (71) and housing (1) sealing;
A pair of anterior glue core (73), described anterior glue core (73) are arranged in the front end slot (713) of flashboard body (71), and a pair of flashboard body (71) is sealed;
A pair of feather key (74) and a plurality of screw (75), described feather key (74) is arranged on the bottom of flashboard body (71), and is connected with flashboard body (71) by a plurality of screws (75).
3. multi-functional cable preventer as claimed in claim 2, it is characterized in that, the boss (320) of a pair of described secondary piston bar (32) end embeds respectively in the groove (716) of a pair of flashboard body (71) one ends, and piston (3) is connected with cable flashboard assembly (7).
4. multi-functional cable preventer as claimed in claim 2, is characterized in that, two groups of guiding sword (715) opposite directions on each described flashboard body (71), and the upper corresponding guiding sword (715) of a pair of described flashboard body (71) matches each other.
5. multi-functional cable preventer as claimed in claim 2, is characterized in that, described anterior glue core (73) and top glue core (72) are complex as a whole by high durometer rubber and metallic framework sulfuration.
6. multi-functional cable preventer as claimed in claim 1, is characterized in that, described floating seal assembly (6) comprises: floating seal skeleton (61), front sealing ring (62), rear sealing ring (63); Described front sealing ring (62) is arranged between floating seal skeleton (61) and housing (1), with floating seal assembly (6) and housing (1) sealing, described rear sealing ring (62) is arranged between floating seal skeleton (61) and side door (2), with floating seal assembly (6) and side door (2) sealing.
7. multi-functional cable preventer as claimed in claim 1, it is characterized in that, set gradually pull bar envelope (321) and Y type envelope (322) between the secondary piston bar (32) of described piston (3) and the side door body (21) of side door (2), with secondary piston bar (32) and side door body (21) sealing; The two-way lip envelopes of twice (323) are set, with piston body (31) and door jamb (22) sealing between described piston body (31) and door jamb (22); Set gradually Y type envelope (324) and O type circle (325) between described back piston bar (33) and cylinder cap (4), with back piston bar (33) and cylinder cap (4) sealing.
8. multi-functional cable preventer as claimed in claim 1, is characterized in that, described housing (1) upward relative both sides is respectively equipped with unlatching hydraulic fluid port (11) and closes hydraulic fluid port (12); First of mutual perforation is set respectively in housing (1) and side door (2) opens oil duct (13), the second unlatching oil duct (23), in described housing (1) first opened oil duct (13) and connected with opening hydraulic fluid port (11), and the cavity space that second in described side door (2) opened oil duct (23) one ends and side door (2) connects; First of mutual perforation is set respectively in housing (1), side door (2), cylinder cap (4) closes oil duct (14), second and closes oil duct (24), the 3rd and close oil duct (41), in described housing (1) first closed oil duct (14) and connected with closing hydraulic fluid port (12), and the cavity space that the 3rd in described cylinder cap (4) closed oil duct (41) one ends and side door (2) connects.
9. multi-functional cable preventer as claimed in claim 8, it is characterized in that, four described one way valves (8) are arranged between housing (1) and side door (2), and be separately positioned on that first in housing (1) opens that second in oil duct (13) and side door (2) opens that oil duct (23) is upper, first in housing (1) close second in oil duct (14) and side door (2) and close on oil duct (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220737051 CN203008842U (en) | 2012-12-28 | 2012-12-28 | Multifunctional cable blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220737051 CN203008842U (en) | 2012-12-28 | 2012-12-28 | Multifunctional cable blowout preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203008842U true CN203008842U (en) | 2013-06-19 |
Family
ID=48600449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220737051 Expired - Lifetime CN203008842U (en) | 2012-12-28 | 2012-12-28 | Multifunctional cable blowout preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203008842U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511650A (en) * | 2013-10-24 | 2014-01-15 | 天津百利展发集团有限公司 | Gate valve without valve seat and without pressure in inner chamber |
| CN103924942A (en) * | 2014-05-07 | 2014-07-16 | 苏州道森钻采设备股份有限公司 | Multifunctional manual ram preventer |
| CN103982156A (en) * | 2014-05-04 | 2014-08-13 | 宝鸡市赛孚石油机械有限公司 | BOP (Blowout Preventer) gate plate body guiding structure |
| CN114396241A (en) * | 2022-03-28 | 2022-04-26 | 四川新为橡塑有限公司 | Double-layer sealed spherical rubber core and annular blowout preventer |
-
2012
- 2012-12-28 CN CN 201220737051 patent/CN203008842U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511650A (en) * | 2013-10-24 | 2014-01-15 | 天津百利展发集团有限公司 | Gate valve without valve seat and without pressure in inner chamber |
| CN103982156A (en) * | 2014-05-04 | 2014-08-13 | 宝鸡市赛孚石油机械有限公司 | BOP (Blowout Preventer) gate plate body guiding structure |
| CN103982156B (en) * | 2014-05-04 | 2016-05-11 | 宝鸡市赛孚石油机械有限公司 | Ram block body guide frame |
| CN103924942A (en) * | 2014-05-07 | 2014-07-16 | 苏州道森钻采设备股份有限公司 | Multifunctional manual ram preventer |
| CN114396241A (en) * | 2022-03-28 | 2022-04-26 | 四川新为橡塑有限公司 | Double-layer sealed spherical rubber core and annular blowout preventer |
| CN114396241B (en) * | 2022-03-28 | 2022-06-10 | 四川新为橡塑有限公司 | Double-layer sealed spherical rubber core and annular blowout preventer |
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