CN220185070U - Christmas tree cap running tool - Google Patents
Christmas tree cap running tool Download PDFInfo
- Publication number
- CN220185070U CN220185070U CN202321633449.2U CN202321633449U CN220185070U CN 220185070 U CN220185070 U CN 220185070U CN 202321633449 U CN202321633449 U CN 202321633449U CN 220185070 U CN220185070 U CN 220185070U
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- ring
- main body
- tree cap
- limiting
- bearing main
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- 241000191291 Abies alba Species 0.000 title claims abstract description 61
- 238000004901 spalling Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 18
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 13
- 238000009434 installation Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000011084 recovery Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 239000012188 paraffin wax Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006049 ring expansion reaction Methods 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
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Abstract
The utility model discloses a Christmas tree cap feeding tool, which comprises a tool main body and is characterized in that: the tool main body comprises a bearing main body, a limiting ring, a driving ring and a spalling ring; the bearing main body is sleeved with a limiting ring, a driving ring and a spalling ring from top to bottom in sequence; the top of the bearing main body is provided with hydraulic interfaces which are communicated with the locking cavity and the unlocking cavity in a one-to-one correspondence manner; when the driving ring pushes the expansion ring to be positioned on the cylindrical molded surface and the lower end of the expansion ring is abutted against the step for the expansion ring, the radial outer end of the expansion ring protrudes out of the step for the expansion ring and forms locking teeth for being clamped into the connecting clamping groove of the Christmas tree cap. The utility model has the advantages that: the method can better ensure that the operations of lowering, installing and recovering the Christmas tree cap are smoothly carried out, and has better use effect.
Description
Technical Field
The utility model belongs to the field of Christmas tree caps, and particularly relates to a Christmas tree cap feeding tool.
Background
Subsea trees are important equipment in subsea oil and gas production systems. The underwater christmas tree is mainly divided into two main categories according to the installation mode: the tree cap is characterized in that the tree cap is a tree cap of the vertical tree.
The christmas tree cap is an important component part positioned at the top of the underwater christmas tree, plays a reliable sealing role on the production hole and the annular hole, and meanwhile, a hydraulic circuit on the christmas tree cap is connected with the hydraulic circuit of the underwater christmas tree, thereby playing an important role in controlling the whole oil/gas exploitation and the exploitation efficiency.
The Christmas tree cap sending tool is one of the matched tools of the underwater Christmas tree, and is critical in direct relation to smooth development of operations such as lowering, mounting, recycling and the like of the Christmas tree cap.
The prior art publication number CN213269820U discloses an underwater christmas tree cap taking and delivering tool, which has the following defects:
the tool has no hanging structure, and is inconvenient to drop and retrieve; during the in-service use, tear open through carousel wherein, however, carousel pivoted moment of torsion is less and comparatively loaded down with trivial details time-consuming in underwater operation, difficult use, so can cause adverse effect to the operation of sending, loading and unloading recovery of christmas tree cap.
Based on the above, the applicant considers designing a tree cap running tool which can better help the tree cap to be lowered, installed and recovered smoothly.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to solve the technical problems that: how to provide a Christmas tree cap running tool which can better help the smooth development of the lowering, mounting and recycling operations of the Christmas tree cap.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a tree cap running tool comprising a tool body, characterized in that:
the tool main body comprises a bearing main body, a limiting ring, a driving ring and a spalling ring;
the bearing main body is of a cylindrical structure as a whole, and the top surface of the bearing main body is provided with a lifting connection joint which is convex upwards and is used for being connected with a drill rod; the outer side surface of the bearing main body is sequentially provided with a step for a limiting ring, a step for a driving ring and a step for an expanding fracture ring which are gradually increased in outer diameter from top to bottom at intervals;
the bearing main body is sleeved with the limiting ring, the driving ring and the expansion ring from top to bottom in sequence;
the limiting ring is fixedly connected with the bearing main body; the lower end face of the limiting ring is abutted with the step for limiting the limiting ring and limited;
the middle part of the inner side of the driving ring in the height direction is provided with an inward convex pushing shoulder which is in sliding connection with the outer side face of the bearing main body between the step for the limiting ring and the step for the driving ring; the upper annular sealing cavity of the pushing shoulder forms a locking cavity for driving the pushing shoulder to move downwards, and the lower annular sealing cavity of the pushing shoulder forms an unlocking cavity for driving the pushing shoulder to move upwards; the top of the bearing main body is provided with hydraulic interfaces which are communicated with the locking cavity and the unlocking cavity in a one-to-one correspondence manner;
the outer side surface of the bearing body between the step for the driving ring and the step for the spalling ring is a spalling molded surface, the outer diameter of the lower section of the spalling molded surface is larger than that of the upper section, and the lower section is a conical molded surface and a cylindrical molded surface in sequence from top to bottom; the expansion ring is slidably sleeved at the expansion molded surface, and the lower end surface of the driving ring is abutted with the upper end surface of the expansion ring; and when the driving ring pushes the expansion ring to be positioned on the cylindrical molded surface and the lower end of the expansion ring is abutted against the step for the expansion ring, the radial outer end of the expansion ring protrudes out of the step for the expansion ring and forms locking teeth for being clamped into the connecting clamping groove of the Christmas tree cap.
The application process of the Christmas tree cap sending tool of the technical scheme is as follows:
the lifting connection on the bearing main body is fastened and connected by a connector through the drill rod, and then the lifting connection can be lifted, lowered or recovered;
after the Christmas tree cap tool is butted with the Christmas tree cap, the hydraulic connector is used for pressurizing the locking cavity of the driving ring, the driving ring downwards drives the expansion ring to move towards the conical surface under the action of hydraulic pressure, the expansion ring expands outwards from radial under the action of the conical surface, and the outer edge of the expansion ring enters the connecting clamping groove of the Christmas tree cap, so that the Christmas tree cap and the tool are connected together;
when the installation is completed and the unlocking is required, the hydraulic connector is used for pressurizing the unlocking cavity, the driving ring moves upwards under the action of hydraulic pressure (generally 3000 psi), and meanwhile, the expansion ring is withdrawn from the clamping groove of the Christmas tree cap, so that the unlocking of the Christmas tree cap and the tool is realized.
Compared with the prior art, the Christmas tree cap running tool has the advantages that:
connect and handling through the drilling rod, drive the drive ring through hydraulic pressure and reciprocate and drive the expansion ring expansion or retract, convenient realization is with the locking and the unblock between the christmas tree, so can guarantee that the operation of putting down, installation and retrieving of christmas tree cap is developed smoothly better, has better result of use.
Drawings
FIG. 1 is a top view of a tree
FIG. 2 is a cross-sectional view of a tree cap
FIG. 3 is a schematic diagram of the tree cap running tool of the present utility model with the tree cap lowered
FIG. 4 is a schematic diagram of the tree cap running tool of the present utility model for installing a tree cap to a tree
FIG. 5 is a schematic diagram of the structure of the present utility model for the extraction tree cap running tool to retract
FIG. 6 is a schematic diagram of a tree structure with a tree cap
FIG. 7 is a top view of the tree cap running tool (with guide) of the present utility model
FIG. 8 is a cross-sectional view of the tree cap running tool (with guide) of the present utility model
FIG. 9 is a cross-sectional view of the tree cap running tool (without guide) of the present utility model
Marked in the figure as:
a seabed
B base
C, tree production: c1 production hole, C2 hydraulic joint
D drill rod
E1 conversion nipple joint and E2 drill rod joint
F tree cap: f1 position indicator, F2 hydraulic joint, F3 production hole sealing mandrel and F4 annulus sealing mandrel
G Christmas tree cap feeding tool (with guide frame)
H-shaped guide rope
10 bearing body: step for 101 spacing ring, step for 102 driving ring, step for 103 expanding ring, profile for 104 expanding crack, joint for 105 lifting connection, step for 106 supporting spacing, 107 locking cavity, 108 unlocking cavity
20 spacing ring
30 drive ring: 301 annular groove
40 spalling ring
50 pretension spring
60 guide limiting pin
A safety exit mechanism: 71 return compression spring, 72 center sleeve, 73 piston
80 guide frame: 81 center mounting cylinder, 82 cantilever, 83 guide funnel, 84 level gauge, 85 lifting lug and 86 bearing plate
90 spear
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The specific implementation method comprises the following steps: as shown in figures 3 to 9 of the drawings,
a christmas tree cap running tool comprising a tool body comprising a carrier body, a stop collar, a drive ring and a fracture ring;
the bearing main body is of a cylindrical structure as a whole, and the top surface of the bearing main body is provided with a lifting connection joint which is convex upwards and is used for being connected with a drill rod; the outer side surface of the bearing main body is sequentially provided with a step for a limiting ring, a step for a driving ring and a step for an expanding fracture ring which are gradually increased in outer diameter from top to bottom at intervals;
the bearing main body is sleeved with the limiting ring, the driving ring and the expansion ring from top to bottom in sequence;
the limiting ring is fixedly connected with the bearing main body; the lower end face of the limiting ring is abutted with the step for limiting the limiting ring and limited;
the middle part of the inner side of the driving ring in the height direction is provided with an inward convex pushing shoulder which is in sliding connection with the outer side face of the bearing main body between the step for the limiting ring and the step for the driving ring; the upper annular sealing cavity of the pushing shoulder forms a locking cavity for driving the pushing shoulder to move downwards, and the lower annular sealing cavity of the pushing shoulder forms an unlocking cavity for driving the pushing shoulder to move upwards; the top of the bearing main body is provided with hydraulic interfaces which are communicated with the locking cavity and the unlocking cavity in a one-to-one correspondence manner;
the outer side surface of the bearing body between the step for the driving ring and the step for the spalling ring is a spalling molded surface, the outer diameter of the lower section of the spalling molded surface is larger than that of the upper section, and the lower section is a conical molded surface and a cylindrical molded surface in sequence from top to bottom; the expansion ring is slidably sleeved at the expansion molded surface, and the lower end surface of the driving ring is abutted with the upper end surface of the expansion ring; and when the driving ring pushes the expansion ring to be positioned on the cylindrical molded surface and the lower end of the expansion ring is abutted against the step for the expansion ring, the radial outer end of the expansion ring protrudes out of the step for the expansion ring and forms locking teeth for being clamped into the connecting clamping groove of the Christmas tree cap.
In the implementation process, as shown in fig. 3 to 5, the connector for hoisting connection is in coaxial detachable fixed connection with the drill rod through the conversion nipple.
In implementation, the sealing structures of the locking cavity and the unlocking cavity are sealing grooves filled with sealing rings are formed in two attached molded surfaces of the respective cavities. The sealing of the hydraulic cavity is prior art and will not be described in detail herein.
The Christmas tree cap feeding tool also comprises a pre-tightening spring and a guiding limiting pin;
a spring mounting groove for placing the pre-tightening spring is formed in the end face, opposite to the end face, between the driving ring and the limiting ring;
the upper end face of the driving ring is fixedly provided with the guide limiting pin, and the upper section of the guide limiting pin is inserted into the guide hole correspondingly arranged on the limiting ring in a sliding manner.
The pre-tightening spring can apply downward pressure to the driving ring, so that the expanding and unlocking state of the expanding and cracking ring is maintained better, and the reliability of locking connection is ensured.
After the structure of the guide limiting pin matched with the guide hole is adopted, the driving ring can be prevented from rotating in the circumferential direction, the abrasion of the sealing ring caused by rotation is reduced, the pre-tightening spring is prevented from deforming and losing efficacy caused by torque, and the reliability of durable use of the structure is ensured.
The outer side surface of the bearing main body is provided with a supporting and limiting step positioned at the middle part in the height direction between the step for the driving ring and the step for the spalling ring, and the outer diameter of the supporting and limiting step is larger than that of the step for the driving ring and smaller than that of the step for the spalling ring;
the inner side of the driving ring is positioned below the pushing shoulder and is provided with an annular groove for abutting with the supporting and limiting step.
After the annular groove between the supporting and limiting step and the driving ring is matched with the bearing main body, the contact stress surface of the driving ring can be increased, the driving ring is better prevented from being deformed due to local stress concentration in the locking driving process, the reliability of the driving ring structure is better ensured, and accordingly smooth realization of locking and unlocking actions is better ensured.
The production tree cap running tool also comprises a safety withdrawing mechanism, wherein the safety withdrawing mechanism comprises a compression spring for resetting, a central sleeve and a piston;
the inner part of the lower section of the bearing main body is an inner cavity with an opening at the lower end, and the central sleeve is inserted and fixed in a mounting hole of the top wall of the inner cavity; the lower end of the central sleeve is positioned in the inner cavity and is provided with a circle of convex flanges;
the whole piston is of a cylindrical structure sleeved outside the central sleeve, the top radial inner side surface of the piston is in sealing sliding connection with the central sleeve, and the top radial outer side surface of the piston is in sealing sliding connection with the side wall of the inner cavity; an ejection hydraulic cavity is formed by surrounding the top of the piston, the central sleeve and the inner cavity together, and a hydraulic interface which is correspondingly communicated with the ejection hydraulic cavity is arranged at the top of the bearing main body;
the compression spring for resetting is sleeved outside the central sleeve on the inner side of the piston, and two ends of the compression spring for resetting are abutted between the top end plate of the piston and the flange at the bottom of the central sleeve.
As shown in fig. 1 and 2, the top of the christmas tree is provided with a plurality of hydraulic joints which are butted with the christmas tree cap, so that the installation and the withdrawal of the christmas tree cap on the christmas tree are required to be more accurate and the connection reliability of each connection position can be better ensured. If the tool shakes during the lifting process, the structural form of a certain connecting position may be damaged, thereby affecting the controllability and the exploitation efficiency of subsequent oil and gas exploitation.
Therefore, after the safety withdrawing mechanism is arranged, the piston can be driven to slowly and accurately ascend through hydraulic pressure after the installation of the Christmas tree cap on the Christmas tree is completed, and the subsequent recovery can be rapidly completed after the tool is reliably withdrawn from the Christmas tree cap.
Meanwhile, the safety exit mechanism is arranged inside the bearing main body, so that the internal space of the bearing main body is fully utilized, the whole structure of the bearing main body is more compact, and the self weight of the bearing main body is reduced.
The production tree cap running tool also comprises a guide frame, wherein the guide frame comprises a central mounting cylinder, a cantilever and a guide funnel;
the center mounting cylinder is detachably sleeved and fixed outside the upper section of the bearing main body;
the outer side surface of the central mounting cylinder is uniformly provided with at least one pair of cantilevers at intervals in the circumferential direction, the outer end of each cantilever is fixedly provided with a guide funnel with the axial lead parallel to the axial lead of the central mounting cylinder, the upper section of the guide funnel is of a cylindrical structure, and the lower section of the guide funnel is of a horn mouth structure with gradually increased openings.
The guide frame plays a role in supporting the tool and the Christmas tree cap and guiding recovery below the tool and the Christmas tree cap, so that the safety of the whole tool in the operation process is ensured;
the guide funnel mainly has two guide functions: on the one hand, when the tool is fed, a guide rope connected with the Christmas tree is penetrated in the middle of the funnel, and the guide is performed with the aid of the guide rope; on the other hand, when the christmas tree cap is connected with the tool and needs to be placed on a transportation frame (such as an LRP transportation frame), the guide fixing is performed by the cooperation of the guide funnel and the guide rod on the transportation frame.
When in implementation, the top edge of the bearing main body is provided with a convex connection protrusion, and the connection protrusion is fixedly connected with the central mounting cylinder through a connecting piece.
The Christmas tree cap running tool further comprises a level fixedly arranged on the cantilever.
In practice, a transverse beam is preferably fixedly mounted between two adjacent cantilevers, and the level is fixedly mounted on the transverse beam.
The level plays a role in leveling the whole system in the process of tool lowering.
The number of the cantilevers is two, a reinforcing rib block is fixedly connected to the outer side face between the position, adjacent to the guide funnel, of each cantilever and the guide funnel, and lifting holes are formed in the reinforcing rib blocks so that lifting lugs are formed by the reinforcing rib blocks.
In this way, the corresponding cantilever can be lifted and lowered to adjust according to the deviation position of the ball on the horizontal instrument panel during operation until the tool is adjusted to be horizontal, so that the accurate butt joint installation between the Christmas tree cap and the Christmas tree is finally ensured.
And a bearing plate which is transverse as a whole is fixedly connected between two adjacent cantilevers which are close to the central mounting cylinder.
The arrangement of the bearing plate not only can play a role in enhancing the structural strength of the whole guide frame; the carrier plate also facilitates standing of the person, thereby facilitating alignment and quick connection between the drill pipe and the tool by personnel.
In implementation, the carrier plate is a metal grid plate.
In practice, the device further comprises a lance inserted into the bearing body, wherein the lower section of the lance is limited in the bearing body through a conical surface, and the lower end of the lance is in sealed insertion and communicated with the central sleeve.
After the spear structure is arranged, the pressure detection can be carried out below the Christmas tree cap before the recovery of the Christmas tree cap, and the specific detection steps are as follows:
1) Connecting the pipeline to a TC CONECTOR BORES TEST detection port, opening a detection needle valve, and closing a vent needle valve;
2) Closing the TCT valve for pressure test, confirming the tightness of the interface between the TCRT piston and the TC spear, testing the pressure to 7500psi, maintaining the pressure for 15min, and then reducing the pressure to 200psi;
3) Opening the TCT needle valve for 5min, and detecting pressure leakage conditions of the Christmas tree cap paraffin removal valve and the Christmas tree paraffin removal valve;
4) Venting TC CONNECTOR BORES TEST, closing the valve to check the cap of the christmas tree for leakage, and then opening the valve to vent and record (error information also needs to be recorded);
5) After venting all pressure, the ROV opens the TCV.
The above are preferred embodiments of the tree cap running tool:
the Christmas tree cap running tool of the technical scheme is used for driving a mechanical locking mechanism by hydraulic pressure. Four hydraulic joints are arranged on the upper end face of the bearing main body and respectively play roles of locking, unlocking, disconnecting and testing.
The main steps of the installation of the Christmas tree cap are as follows: the production tree cap is connected to the tool and lowered, the production tree cap is connected with the production tree, the production tree cap and the production tree paraffin removal valve are tested, and the tool is disconnected from the production tree cap and recovered.
The main steps of the recovery of the Christmas tree cap are as follows: the tool is connected with the drill rod and lowered, the tool is connected with the Christmas tree cap, the pressure below the Christmas tree cap is detected, and the Christmas tree cap is disconnected from the Christmas tree and recovered.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and improvements made by those skilled in the art without departing from the present technical solution shall be considered as falling within the scope of the claims.
Claims (8)
1. A tree cap running tool comprising a tool body, characterized in that:
the tool main body comprises a bearing main body, a limiting ring, a driving ring and a spalling ring;
the bearing main body is of a cylindrical structure as a whole, and the top surface of the bearing main body is provided with a lifting connection joint which is convex upwards and is used for being connected with a drill rod; the outer side surface of the bearing main body is sequentially provided with a step for a limiting ring, a step for a driving ring and a step for an expanding fracture ring which are gradually increased in outer diameter from top to bottom at intervals;
the bearing main body is sleeved with the limiting ring, the driving ring and the expansion ring from top to bottom in sequence;
the limiting ring is fixedly connected with the bearing main body; the lower end face of the limiting ring is abutted with the step for limiting the limiting ring and limited;
the middle part of the inner side of the driving ring in the height direction is provided with an inward convex pushing shoulder which is in sliding connection with the outer side face of the bearing main body between the step for the limiting ring and the step for the driving ring; the upper annular sealing cavity of the pushing shoulder forms a locking cavity for driving the pushing shoulder to move downwards, and the lower annular sealing cavity of the pushing shoulder forms an unlocking cavity for driving the pushing shoulder to move upwards; the top of the bearing main body is provided with hydraulic interfaces which are communicated with the locking cavity and the unlocking cavity in a one-to-one correspondence manner;
the outer side surface of the bearing body between the step for the driving ring and the step for the spalling ring is a spalling molded surface, the outer diameter of the lower section of the spalling molded surface is larger than that of the upper section, and the lower section is a conical molded surface and a cylindrical molded surface in sequence from top to bottom; the expansion ring is slidably sleeved at the expansion molded surface, and the lower end surface of the driving ring is abutted with the upper end surface of the expansion ring; and when the driving ring pushes the expansion ring to be positioned on the cylindrical molded surface and the lower end of the expansion ring is abutted against the step for the expansion ring, the radial outer end of the expansion ring protrudes out of the step for the expansion ring and forms locking teeth for being clamped into the connecting clamping groove of the Christmas tree cap.
2. The tree cap running tool of claim 1, wherein: the device also comprises a pre-tightening spring and a guide limiting pin;
a spring mounting groove for placing the pre-tightening spring is formed in the end face, opposite to the end face, between the driving ring and the limiting ring;
the upper end face of the driving ring is fixedly provided with the guide limiting pin, and the upper section of the guide limiting pin is inserted into the guide hole correspondingly arranged on the limiting ring in a sliding manner.
3. The tree cap running tool of claim 1, wherein: the outer side surface of the bearing main body is provided with a supporting and limiting step positioned at the middle part in the height direction between the step for the driving ring and the step for the spalling ring, and the outer diameter of the supporting and limiting step is larger than that of the step for the driving ring and smaller than that of the step for the spalling ring;
the inner side of the driving ring is positioned below the pushing shoulder and is provided with an annular groove for abutting with the supporting and limiting step.
4. The tree cap running tool of claim 1, wherein: the safety withdrawing mechanism comprises a compression spring for resetting, a central sleeve and a piston;
the inner part of the lower section of the bearing main body is an inner cavity with an opening at the lower end, and the central sleeve is inserted and fixed in a mounting hole of the top wall of the inner cavity; the lower end of the central sleeve is positioned in the inner cavity and is provided with a circle of convex flanges;
the whole piston is of a cylindrical structure sleeved outside the central sleeve, the top radial inner side surface of the piston is in sealing sliding connection with the central sleeve, and the top radial outer side surface of the piston is in sealing sliding connection with the side wall of the inner cavity; an ejection hydraulic cavity is formed by surrounding the top of the piston, the central sleeve and the inner cavity together, and a hydraulic interface which is correspondingly communicated with the ejection hydraulic cavity is arranged at the top of the bearing main body;
the compression spring for resetting is sleeved outside the central sleeve on the inner side of the piston, and two ends of the compression spring for resetting are abutted between the top end plate of the piston and the flange at the bottom of the central sleeve.
5. The tree cap running tool of claim 1, wherein: the guide frame comprises a central mounting cylinder, a cantilever and a guide funnel;
the center mounting cylinder is detachably sleeved and fixed outside the upper section of the bearing main body;
the outer side surface of the central mounting cylinder is uniformly provided with at least one pair of cantilevers at intervals in the circumferential direction, the outer end of each cantilever is fixedly provided with a guide funnel with the axial lead parallel to the axial lead of the central mounting cylinder, the upper section of the guide funnel is of a cylindrical structure, and the lower section of the guide funnel is of a horn mouth structure with gradually increased openings.
6. The tree cap running tool of claim 5, wherein: the device also comprises a level meter fixedly arranged on the cantilever.
7. The tree cap running tool of claim 5 or 6, wherein: the number of the cantilevers is two, a reinforcing rib block is fixedly connected to the outer side face between the position, adjacent to the guide funnel, of each cantilever and the guide funnel, and lifting holes are formed in the reinforcing rib blocks so that lifting lugs are formed by the reinforcing rib blocks.
8. The tree cap running tool of claim 5 or 6, wherein: and a bearing plate which is transverse as a whole is fixedly connected between two adjacent cantilevers which are close to the central mounting cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321633449.2U CN220185070U (en) | 2023-06-26 | 2023-06-26 | Christmas tree cap running tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321633449.2U CN220185070U (en) | 2023-06-26 | 2023-06-26 | Christmas tree cap running tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220185070U true CN220185070U (en) | 2023-12-15 |
Family
ID=89115988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321633449.2U Active CN220185070U (en) | 2023-06-26 | 2023-06-26 | Christmas tree cap running tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220185070U (en) |
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2023
- 2023-06-26 CN CN202321633449.2U patent/CN220185070U/en active Active
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