CN210264626U - Rotary cementing head for oil field well cementation equipment - Google Patents
Rotary cementing head for oil field well cementation equipment Download PDFInfo
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- CN210264626U CN210264626U CN201921096652.4U CN201921096652U CN210264626U CN 210264626 U CN210264626 U CN 210264626U CN 201921096652 U CN201921096652 U CN 201921096652U CN 210264626 U CN210264626 U CN 210264626U
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- Prior art keywords
- cementing
- cementing head
- head body
- outside
- rod
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 11
- 239000004568 cement Substances 0.000 claims description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 8
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The utility model discloses an oil field cementing equipment is with rotatory cementing head, including the cementing head body, inside the settling of cementing head body has last plug, and goes up the cementing plug below and install down the plug, the outside settling of cementing head body has the cementing head cap, and the cementing head cap outside is connected with hoist mechanism, cementing head body internally mounted has backing pin mechanism, and cementing head body outside settles and have stabilizing mean, the external screw thread sill bar is installed to cementing head body bottom, and external screw thread sill bar external connection has external sleeve pipe, the inside internal thread mouth that is provided with of external sleeve pipe. The utility model discloses in, under the effect of backing pin mechanism, can make the connection handle have the push rod through the inside arrangement of first opening, promote its backing pin plate for the backing pin plate can slide forward in the spout through the slider, thereby blocks the plug, otherwise, through pulling back, goes up the plug and then is released and move down, is favorable to the quick work efficiency of cementing head.
Description
Technical Field
The utility model relates to an oil field cementing equipment technical field especially relates to an oil field cementing equipment is with rotatory cementing head.
Background
With the development of science and technology and the progress of times, the cement head is available for well cementation, and refers to a device which is arranged at the top end of a casing pipe when well cementation and cement injection are carried out, and a cement injection pipeline of each cement truck is simultaneously connected to a water digging head under the combined operation of a plurality of cement trucks.
The backing pin assembly of current cementing head is too in the trouble, must wrench movement several rings just can retreat, release the plug for work efficiency is low, and does not carry out stable device to cementing head during operation, because the cementing head is too heavy in addition, self does not have the device that can assist the promotion to itself, installation process during the influence operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the rotatory cementing head for oil field cementing equipment who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an oil field cementing equipment is with rotatory cementing head, includes the cementing head body, the inside arrangement of cementing head body has last plug, and goes up the cementing plug below and install down the plug, the outside arrangement of cementing head body has the cementing head cap, and the cementing head cap outside is connected with hoist mechanism, cementing head body internally mounted has backing pin mechanism, and cementing head body outside arrangement has stabilizing mean, the external screw thread sill bar is installed to cementing head body bottom, and external screw thread sill bar external connection has external sleeve pipe, the inside internal thread mouth that is provided with of external sleeve pipe, the outside arrangement of cementing head body has the mud entry.
As a further description of the above technical solution:
the stop pin mechanism is internally provided with a push rod, the push rod is externally connected with a connecting handle, the outer side of the push rod is wrapped with a fixed outer rod, the inner side of the fixed outer rod is provided with a sliding groove, a sliding block is internally mounted in the sliding groove, the outer side of the sliding block is connected with a stop pin plate, the outer edge of the stop pin plate is provided with a sealing cushion, the outer side of the fixed outer rod is provided with a first opening, and the inner side of the fixed outer rod is provided with a second opening.
As a further description of the above technical solution:
the stop pin plate and the fixed outer rod form a sliding structure through the sliding groove and the sliding block, and the central axis of the stop pin plate coincides with the central axis of the fixed outer rod.
As a further description of the above technical solution:
stabilizing mean is inside including the connecting block, and connecting block external connection has the loose axle, the loose axle outside is connected with the supporting shoe, and the loose axle externally mounted has the bracing piece, the bracing piece bottom is connected with the sucking disc.
As a further description of the above technical solution:
the support rod forms a rotating structure with the connecting block through the movable shaft, and the support rod is fixedly connected with the sucker.
As a further description of the above technical solution:
inside including fixed frame, and the inboard arrangement of fixed frame has the inside groove, inside being provided with the fixed block of inside groove, and fixed block external connection has the iron chain, the buckle is installed in the iron chain outside, and buckle one side is connected with the connecting rod, the arrangement has the support frame in the connecting rod outside, and the lifting hook is installed on the support frame top.
As a further description of the above technical solution:
the fixed block equidistance is provided with four groups, and is fixed connection between fixed block and the iron chain.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, under the effect of backing pin mechanism, can make the connection handle have the push rod through the inside arrangement of first opening, promote its backing pin plate for the backing pin plate can slide forward in the spout through the slider, thereby blocks the plug, otherwise, through pulling back, goes up the plug and then is released and move down, is favorable to the quick work efficiency of cementing head.
2. The utility model discloses in, under stabilizing mean's effect, when carrying out the operation between cementing head body and external casing, can be through the bracing piece with it under the interact of sucking disc, can make the stability of cementing head body when the effect, guarantee the job stabilization nature of its cementing head, then be convenient for be favorable to the work efficiency of cementing head.
3. The utility model discloses in, under hoist mechanism's effect, because the weight of cementing head body self is not light, can be with the help of the lifting hook, through external equipment of lifting, can hoist its cementing head fast, be convenient for install on the sleeve pipe to the iron chain can be accomodate in the inside groove, buckle and connecting rod, supporting shoe moreover. The lifting hook can be taken down, so that the cement head can be conveniently arranged.
Drawings
FIG. 1 is a schematic structural view of a cement head body in the present invention;
FIG. 2 is a schematic structural view of a middle stop pin mechanism of the present invention;
fig. 3 is a schematic structural view of the middle lifting mechanism of the present invention.
Illustration of the drawings:
1. a cementing head body; 2. a rubber plug is arranged; 3. a rubber plug is arranged; 4. a cement head cap; 5. a slurry inlet; 6. a pin blocking mechanism; 601. a push rod; 602. a connecting handle; 603. fixing the outer rod; 604. a chute; 605. a slider; 606. a stop pin plate; 607. sealing the soft cushion; 608. a first opening; 609. a second opening; 7. a stabilizing mechanism; 701. connecting blocks; 702. a support block; 703. a movable shaft; 704. a support bar; 705. a suction cup; 8. a sleeve is externally connected; 9. an external thread bottom rod; 10. an internal threaded port; 11. a lifting mechanism; 1101. a fixed frame; 1102. an inner tank; 1103. a fixed block; 1104. an iron chain; 1105. a retaining ring; 1106. a connecting rod; 1107. a support frame; 1108. and (4) a lifting hook.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, a rotary cementing head for oilfield cementing equipment comprises a cementing head body 1, an upper rubber plug 2, a lower rubber plug 3, a cementing head cap 4, a slurry inlet 5, a stop pin mechanism 6, a push rod 601, a connecting handle 602, a fixed outer rod 603, a chute 604, a slider 605, a stop pin plate 606, a sealing cushion 607, a first opening 608, a second opening 609, a stabilizing mechanism 7, a connecting block 701, a supporting block 702, a movable shaft 703, a supporting rod 704, a suction cup 705, an external sleeve 8, an external thread bottom rod 9, an internal thread port 10, a lifting mechanism 11, a fixed frame 1101, an internal groove 1102, a fixed block 1103, an iron chain 1104, a retaining ring 1105, a connecting rod 1106, a supporting frame 1107 and a lifting hook 1108, wherein the upper rubber plug 2 is arranged inside the cementing head body 1, the lower rubber plug 3 is arranged below the upper rubber plug 2, the cementing head cap 4 is arranged outside the cementing head body 1, and the lifting mechanism, 1 internally mounted of cementing head body has backing pin mechanism 6, and 1 outside arrangement of cementing head body has stabilizing mean 7, and external screw thread sill bar 9 is installed to 1 bottom of cementing head body, and 9 external connections of external screw thread sill bar have external sleeve pipe 8, and external sleeve pipe 8 is inside to be provided with internal thread mouth 10, and 1 outside arrangement of cementing head body has mud entry 5.
Further, a push rod 601 is arranged inside the stop pin mechanism 6, a connecting handle 602 is connected to the outside of the push rod 601, a fixed outer rod 603 wraps the outside of the push rod 601, a sliding groove 604 is arranged on the inner side of the fixed outer rod 603, a sliding block 605 is arranged inside the sliding groove 604, a stop pin plate 606 is connected to the outside of the sliding block 605, a sealing cushion 607 is arranged on the outer edge of the stop pin plate 606, a first opening 608 is arranged on the outer side of the fixed outer rod 603, and a second opening 609 is arranged on the inner side of the fixed outer rod 603.
Further, the stop pin plate 606 forms a sliding structure with the fixed outer rod 603 through the sliding groove 604 and the sliding block 605, the central axis of the stop pin plate 606 coincides with the central axis of the fixed outer rod 603, and the stop pin plate 606 can block the rubber plug 2 thereon through the sliding block 605 and under the pushing of the connecting handle 602, so that the operation of the cementing head body 1 is facilitated.
Further, the inside of the stabilizing mechanism 7 comprises a connecting block 701, the outside of the connecting block 701 is connected with a movable shaft 703, the outside of the movable shaft 703 is connected with a supporting block 702, the outside of the movable shaft 703 is provided with a supporting rod 704, and the bottom end of the supporting rod 704 is connected with a sucker 705.
Furthermore, the support rod 704 forms a rotating structure with the connecting block 701 through the movable shaft 703, the support rod 704 is fixedly connected with the sucker 705, the support rod 704 can adjust the fixed position of the external sleeve 8 through the movable shaft 703, and the support rod can be stabilized through the sucker 705, so that the stability of the cement head in operation is facilitated.
Further, inside including fixed frame 1101 of hoist mechanism 11, and fixed frame 1101 inboard settles and have interior groove 1102, and inside being provided with fixed block 1103 of interior groove 1102, and fixed block 1103 external connection has iron chain 1104, and buckle 1105 is installed to the iron chain 1104 outside, and buckle 1105 one side is connected with connecting rod 1106, and settle in the connecting rod 1106 outside has support frame 1107, and the top of support frame 1107 installs lifting hook 1108.
Further, the fixed blocks 1103 are arranged in four groups at equal intervals, the fixed blocks 1103 are fixedly connected with the iron chain 1104, under the action of the iron chain 1104 and under the interaction of the lifting hooks 1108, the retaining rings 1105 and the connecting rods 1106, the cement head body 1 is relatively heavy, so that the cement head body 1 can be lifted conveniently through the lifting hooks 1108, and the cement head body is convenient to install on a sleeve.
The working principle is as follows: when in use, a worker firstly lifts the cementing head body 1 by using an external auxiliary crane device through the lifting mechanism 11, so that the external thread bottom rod 9 at the bottom end of the cementing head body 1 is arranged at the internal thread port 10 of the external casing 8 for fixing, then the lower cementing plug 3 which is placed in the cementing head in advance is firstly placed in the cementing head body 1, then the cement slurry is poured from the injection port on the cementing head body 1, then clear water is pumped in to move the lower cementing plug 3 downwards, the lower cementing plug 3 is blocked by the internal support ring, and then the upper cementing plug 2 is placed in, at the moment, the upper cementing plug 2 is blocked by the stop pin mechanism 6, the stop pin plate 606 is moved into the fixed outer rod 603 through connecting the handle 602, so that the upper cementing plug 2 is released, at the moment, the cementing plug 2 and the lower cementing plug 3 collide with each other, so that a liquid channel is blocked, the pumping pressure is increased suddenly, and the cementing work is finished, meanwhile, under the action of the stabilizing mechanism 7, the support rod 704 and the sucker 705 are used for facilitating the effective construction operation of the cementing head body 1, so that the working principle of the device is completed.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides an oil field cementing equipment is with rotatory cementing head, includes cementing head body (1), its characterized in that, cementing head body (1) inside arrangement has last plug (2), and goes up plug (2) below and install down plug (3), cementing head body (1) outside arrangement has cementing head cap (4), and cementing head cap (4) outside is connected with hoist mechanism (11), cementing head body (1) internally mounted has backing pin mechanism (6), and cementing head body (1) outside arrangement has stabilizing mean (7), external screw thread sill bar (9) is installed to cementing head body (1) bottom, and external screw thread sill bar (9) external connection has external sleeve pipe (8), external sleeve pipe (8) inside is provided with internal thread mouth (10), cementing head body (1) outside arrangement has mud entry (5).
2. The rotary cement head for oilfield cementing equipment according to claim 1, wherein the stop pin mechanism (6) comprises a push rod (601) inside, the push rod (601) is externally connected with a connecting handle (602), the outer side of the push rod (601) is wrapped with a fixed outer rod (603), the inner side of the fixed outer rod (603) is provided with a sliding chute (604), the sliding chute (604) is internally provided with a sliding block (605), the sliding block (605) is externally connected with a stop pin plate block (606), the outer edge of the stop pin plate block (606) is provided with a sealing cushion (607), the outer side of the fixed outer rod (603) is provided with a first opening (608), and the inner side of the fixed outer rod (603) is provided with a second opening (609).
3. The rotary cement head for oilfield cementing equipment according to claim 2, wherein the stop pin plate (606) forms a sliding structure with the fixed outer rod (603) through the sliding groove (604), the sliding block (605), and the central axis of the stop pin plate (606) coincides with the central axis of the fixed outer rod (603).
4. The rotary cement head for the oilfield cementing equipment according to claim 1, wherein the stabilizing mechanism (7) comprises a connecting block (701) inside, a movable shaft (703) is connected to the outside of the connecting block (701), a supporting block (702) is connected to the outside of the movable shaft (703), a supporting rod (704) is installed to the outside of the movable shaft (703), and a suction cup (705) is connected to the bottom end of the supporting rod (704).
5. The rotary cementing head for oilfield cementing equipment according to claim 4, wherein the support rod (704) forms a rotary structure with the connecting block (701) through a movable shaft (703), and the support rod (704) is fixedly connected with the suction cup (705).
6. The rotary cement head for the oilfield cementing equipment according to claim 1, wherein the lifting mechanism (11) comprises a fixed frame (1101) inside, an inner groove (1102) is arranged inside the fixed frame (1101), a fixed block (1103) is arranged inside the inner groove (1102), an iron chain (1104) is connected outside the fixed block (1103), a retaining ring (1105) is installed outside the iron chain (1104), a connecting rod (1106) is connected to one side of the retaining ring (1105), a supporting frame (1107) is arranged outside the connecting rod (1106), and a hook (1108) is installed at the top end of the supporting frame (1107).
7. The rotary cement head for oilfield cementing equipment according to claim 6, wherein the fixed blocks (1103) are arranged in four groups at equal intervals, and the fixed blocks (1103) are fixedly connected with the iron chain (1104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921096652.4U CN210264626U (en) | 2019-07-15 | 2019-07-15 | Rotary cementing head for oil field well cementation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921096652.4U CN210264626U (en) | 2019-07-15 | 2019-07-15 | Rotary cementing head for oil field well cementation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210264626U true CN210264626U (en) | 2020-04-07 |
Family
ID=70011989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921096652.4U Expired - Fee Related CN210264626U (en) | 2019-07-15 | 2019-07-15 | Rotary cementing head for oil field well cementation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210264626U (en) |
-
2019
- 2019-07-15 CN CN201921096652.4U patent/CN210264626U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 |