CN106837206B - The vertical land hoisting tool of production tree - Google Patents

Abstract

The present invention provides a kind of vertical land hoisting tools of production tree, and the vertical land hoisting tool of production tree includes: ontology, are provided with the accommodation space at least accommodating vertical production tree upper end, are provided with the radial through-hole being through in accommodation space on the outer wall of ontology；Push rod locking assembly is arranged in radial through-hole and can slide to accommodation space direction, and push rod locking assembly has the locked position being clamped with vertical production tree and bounces back to the unlocked position in radial through-hole；Claw connection component, setting on the body, claw connection component can along ontology axial movement and on vertical production tree drive rod be clamped.The invention has the advantages that the coupling mechanism force to production tree can be increased by setting push rod locking assembly and claw connection component, guarantee the lifting stability in hoisting process.

Description

Vertical Christmas Tree Onshore Lifting Tool

technical field

The invention relates to the field of lifting devices, in particular to an onshore lifting tool for a vertical Christmas tree.

Background technique

The subsea vertical Christmas tree onshore lifting tool is an installation tool used in conjunction with the subsea vertical Christmas tree tree structure. It can be applied in the testing and installation stage of the subsea tree, and it can complete the installation of the subsea tree together with the subsea tree body feeding tool. In the prior art, the vertical tree is generally moved by direct hoisting or truck-loaded transportation.

Direct hoisting is generally to directly bind the above-mentioned vertical oil tree through steel wires or slings, and move the vertical tree through hoisting components such as a crane.

Chinese utility model patent, authorized announcement number CN202953143U, authorized announcement date on May 29, 2013, discloses a deep-sea drilling Christmas tree transfer device, the device includes a vehicle mounted on the deck, and the vehicle is equipped with The accommodating cavity capable of carrying the Christmas tree, the vehicle is provided with a driving device, and the driving device can drive the vehicle to move relative to the deck.

Disadvantages of the prior art: the hoisting or moving operation of the vertical tree in the prior art is relatively unreliable, and the locking force is poor.

SUMMARY OF THE INVENTION

The invention provides a vertical Christmas tree lifting tool on land, so as to increase the reliability of hoisting and improve the locking force.

The technical solution adopted by the present invention to solve the technical problem is: a vertical christmas tree onshore lifting tool, the vertical christmas tree onshore lifting tool includes: a body, which is provided with an accommodation space for at least accommodating the upper end of the vertical christmas tree , the outer wall of the body is provided with a radial through hole penetrating into the accommodation space; the push rod locking assembly is arranged in the radial through hole and can slide in the direction of the accommodation space, the push rod locking assembly has the same structure as the vertical tree The clamping locking position and the unlocking position retracted into the radial through hole; the claw connection assembly is arranged on the body, and the claw connection assembly can move along the axial direction of the body and connect with the drive rod on the vertical tree Card access.

Further, the body is provided with a clamping limit hole communicating with the radial through hole, and the push rod locking assembly includes: a push rod, which is arranged in the radial through hole and can slide relative to the radial through hole; The positioning component is fixed with the push rod and can be clamped with the clamping limit hole, and the elastic clamping limit component can limit the sliding of the push rod along the radial through hole.

Further, a limit groove is provided on the push rod, and the elastic clamping limit assembly includes a spring and a steel ball. One end of the spring is fixed in the limit groove, and the other end of the spring is connected to the steel ball. The steel ball can be connected with the limit groove and the steel ball. The clamping limit hole is clamped.

Further, the body further includes an unlocking bolt, which is arranged in the clamping limiting hole, and the unlocking bolt can push the steel ball out of the clamping limiting hole.

Further, there are multiple push rod locking assemblies, and the plurality of push rod locking assemblies are evenly distributed along the circumference of the body, and one end of each push rod is provided with a snap-in groove for snap-fitting with the vertical Christmas tree.

Further, the push rod locking assembly also includes a protective sleeve, which is sleeved on the outside of the other end of the push rod, the inner diameter of the protective sleeve is adapted to the outer diameter of the push rod, and the protective sleeve is provided with a The matching limit hole corresponding to the limit groove.

Further, the claw connection assembly includes: a connecting rod, which is a hollow rod-shaped structure, the connecting rod is arranged on the body, and the connecting rod is provided with a claw through hole in the radial direction; a driving ring is sleeved on the outside of the connecting rod to drive The ring can move relative to the axial direction of the connecting rod; the claw is arranged in the through hole of the claw, and the driving ring can drive the claw to lock inwardly along the through hole of the claw.

Further, the connecting rod is provided with an external thread section, one end of the driving ring is provided with an internal thread section matching the external thread section, the other end of the driving ring is a conical section, and the large-diameter end of the conical section faces the outside of the driving ring.

Further, the claw is provided with a pull ring, and the pull ring can pull the claw out of the through hole of the claw.

Further, the claw connecting assembly further includes a hydraulic cylinder, the connecting rod is connected to the hydraulic cylinder, and the hydraulic cylinder can drive the connecting rod to move up and down along the axial direction of the body.

The beneficial effect of the present invention is that the locking force on the Christmas tree can be increased by arranging the push rod locking assembly and the claw connecting assembly, so as to ensure the hoisting stability in the hoisting process.

The embodiment of the present invention has simple structure, fast and convenient locking, stable and reliable lifting, can realize fast locking and stable lifting of the vertical tree, improves the operating efficiency, reduces the difficulty of operation, and has a great effect on reducing the cost and improving the safety performance meaning.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide a further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached image:

Fig. 1 is a schematic structural view of the vertical Christmas tree land lifting tool of the present invention;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is the bottom view of Fig. 1;

Fig. 4 is a cross-sectional view of the assembly structure of the vertical Christmas tree onshore lifting tool and the vertical Christmas tree of the present invention;

Fig. 5 is an enlarged view of part A in Fig. 3;

Fig. 6 is a schematic structural view of the claw connection assembly in the vertical Christmas tree onshore lifting tool of the present invention;

Fig. 7 is a cross-sectional view of the driving ring in the vertical Christmas tree land lifting tool of the present invention;

Fig. 8 is a cross-sectional view of the claw connection assembly in the vertical tree onshore lifting tool of the present invention;

Fig. 9 is an enlarged view of part B in Fig. 8 .

Reference signs in the figure: 10, body; 11, unlocking bolt; 12, lifting lug; 13, guide sleeve; 20, push rod locking assembly; 21, push rod; 22, spring; 23, steel ball; 24, protection Sleeve; 211, clamping groove; 30, claw connection assembly; 31, connecting rod; 32, driving ring; 33, claw; 331, large diameter section; 332, small diameter section; 333, snap ring; 34 , pull ring; 35, hydraulic cylinder; 40, hydraulic pipeline; 51, connecting base; 52, positioning handle; 60, Christmas tree.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

As shown in FIGS. 1 to 7 , the embodiment of the present invention provides a vertical Christmas tree onshore lifting tool. The vertical Christmas tree onshore lifting tool includes a body 10 , a push rod locking assembly 20 and a claw connection assembly 30 . The main body 10 is provided with an accommodating space for at least accommodating the upper end of the vertical tree 60 , and the outer wall of the main body 10 is provided with a radial through hole penetrating into the accommodating space. The push rod locking assembly 20 is arranged in the radial through hole and can slide toward the direction of the accommodation space. The push rod locking assembly 20 has a locking position where it engages with the vertical tree 60 and a retracted position into the radial through hole. Unlock position. The claw connection assembly 30 is disposed on the body 10 , and the claw connection assembly can move along the axial direction of the body 10 and is engaged with the driving rod on the vertical tree 60 .

By arranging the push rod locking assembly 20 and the jaw connecting assembly 30, the locking force on the Christmas tree can be increased to ensure the hoisting stability during the hoisting process. In the embodiment of the present invention, there are multiple push rod locking assemblies 20 , and the plurality of push rod locking assemblies 20 are evenly distributed along the circumferential direction of the body 10 .

The main body 10 has a stepped structure, and the lower end of the main body 10 is provided with a radial flange with a larger diameter. On the radial flange, there is a clamping limiting hole communicating with the radial through hole. The clamping limiting hole Set in the vertical direction. The push rod locking assembly 20 includes a push rod 21 and an elastic clamping stop assembly. The push rod 21 is arranged in the radial through hole and can slide relative to the radial through hole. The elastic clamping limiting component is fixed to the push rod 21 and can be clamped with the clamping limiting hole, and the elastic clamping limiting component can limit the sliding of the push rod 21 along the radial through hole.

In the embodiment of the present invention, a limit groove is provided on the push rod 21, and the elastic clamping limit assembly includes a spring 22 and a steel ball 23. One end of the spring 22 is fixed in the limit groove, and the other end of the spring 22 is connected to the steel ball 23. , the steel ball 23 can be clamped with the limit groove and the clamping limit hole.

Preferably, the body 10 also includes an unlocking bolt 11, which is arranged in the clamping limit hole, and the unlocking bolt 11 can unlock the steel ball 23 from the clamping limit hole, that is, the unlocking bolt 11 can push the steel ball 23 out of the clamping limit hole , so that the push rod 21 can slide along the radial through hole.

It should be noted that the above-mentioned elastic snap-fit limiting components are symmetrically arranged on both sides of the push rod 21, the number of the above-mentioned snap-fit limit holes corresponds to the number of elastic snap-fit limit components, and each snap-fit limit hole Each is provided with an unlocking bolt 11 .

As shown in FIG. 4 and FIG. 5 , one end of each push rod 21 is provided with a snap-in groove 211 for snap-fitting with the vertical tree 60 . The push rod locking assembly 20 also includes a protective sleeve 24, which is sleeved on the outside of the other end of the push rod 21. The inner diameter of the protective sleeve 24 is adapted to the outer diameter of the push rod 21. The protective sleeve 24 Cooperating limit holes corresponding to the limit grooves are arranged on the top. The protective sleeve 24 is sheathed and fixed on the outside of the other end of the push rod 21 , and can move along with the push rod 21 along the radial through hole. The above-mentioned steel ball 23 can limit the sliding of the protective sleeve along the radial through hole.

In the embodiment of the present invention, in a normal state, the push rod 21 of the push rod locking assembly 20 is located in the radial through hole and is in an unlocked position detached from the vertical tree 60 . When the vertical tree 60 needs to be locked, the body 10 is socketed and fitted with the upper end of the vertical tree 60 . After the positioning is completed, the push rod 21 is pushed inward, so that the engaging groove 211 of the push rod 21 is engaged with the vertical tree 60 to limit the position. At the same time, the above-mentioned steel ball 23 enters into the clamping limiting hole under the action of the spring 22 and engages with it. At this time, since the vertical tree 60 exerts a downward force on the push rod 21 in the vertical direction, but the radial force received by the push rod 21 is small, so the fixing method of the steel ball 23 can be used to limit the position. Of course, this fixing method is not limited to the above-mentioned fixing method. For example, fixing bolts can also be directly used for limit clamping, that is, fixing bolts are arranged in the clamping limit holes, and corresponding clamps are set on the push rod 21 and the protective sleeve. Connecting holes, when positioning is required, the positioning bolts are clamped with the clamping holes for positioning.

When it needs to be unlocked, the steel ball 23 is pushed out of the clamping limit hole through the unlocking bolt 11, so that the push rod 21 and the protective sleeve can slide freely. At this time, the push rod 21 and the protective sleeve are manually pulled out to make the push rod lock The tight assembly 20 is retracted into the radial through hole and is in the unlocked position.

As shown in FIGS. 1 and 2 , the upper end of the body 10 is provided with lifting lugs 12 for lifting, and the lifting lugs can be connected with lifting steel wires. A guide sleeve 13 is provided below the main body 10 , and the guide sleeve 13 can guide the vertical tree 60 so as to facilitate the vertical tree 60 to be sleeved inside the main body 10 .

A connection base 51 and a positioning handle 52 are provided on the side of the body 10 , one end of the connection base 51 is fixedly connected to the side wall of the body 10 , and the other end of the connection base 51 is connected to the positioning handle 52 . The positioning handle 52 can be positioned with components on the vertical tree 60 . In the embodiment of the present invention, the positioning handle 52 is provided with a positioning hole, and the vertical oil tree 60 is provided with a positioning cylinder arranged in the vertical direction. The positioning cylinder can be positioned in cooperation with the positioning hole on the positioning handle 52 to ensure installation Accuracy and snap-in accuracy.

As shown in FIG. 1 and FIG. 6 , the claw connection assembly 30 includes a connecting rod 31 , a driving ring 32 and a claw 33 . The connecting rod 31 is a hollow rod-shaped structure, the connecting rod 31 is arranged on the body 10 , and the connecting rod 31 is provided with claw through holes along the radial direction. The driving ring 32 is sheathed outside the connecting rod 31 , and the driving ring 32 can move relative to the axial direction of the connecting rod 31 . The claw 33 is disposed in the through hole of the claw, and the driving ring 32 can drive the claw 33 to lock inwardly along the through hole of the claw. In the embodiment of the present invention, there are four jaw connection assemblies 30 , which are evenly spaced along the circumference of the body 10 .

Specifically, as shown in Figures 8 and 9, the claw 33 is stepped, and the claw 33 has a large-diameter section 331 with a larger diameter and a small-diameter section 332 with a smaller diameter. The large-diameter section of the claw 33 331 can be completely placed in the claw through hole, and the small diameter section 332 can protrude to the outside of the inside of the claw through hole, and can be clamped with the Christmas tree drive rod (not shown).

Preferably, in order to ensure that the claw 33 will not fall out, the middle part of the through hole of the claw in the embodiment of the present invention is provided with an annular clamping part. In the direction from right to left in FIG. The joints are snapped together and limit the displacement of the claw 33 from right to left. The small-diameter section 332 is detachably provided with a snap ring 333 , the snap ring 333 can cooperate with the ring snap joint and is used to limit the displacement of the claw 33 from left to right in FIG. 9 .

When the main body 10 is docked with the vertical Christmas tree 60, the above-mentioned claw connection assembly 30 can be docked and locked with the tree drive rod on the vertical Christmas tree 60, which can make the hoisting process more stable, and at the same time, the above-mentioned claw connection assembly 30 It can test whether the drive rod of the Christmas tree can be connected normally to avoid unnecessary losses.

In the embodiment of the present invention, the claw connection assembly 30 also includes a hydraulic cylinder 35, the hydraulic cylinder 35 is fixed on the body 10, the connecting rod 31 is connected to the hydraulic cylinder 35, and the hydraulic cylinder 35 can drive the connecting rod 31 along the axial direction of the body 10 Moving up and down. Since there are four claw connecting assemblies 30 , there are four hydraulic cylinders 35 correspondingly, and the four hydraulic cylinders 35 are connected through hydraulic pipelines 40 .

A hydraulic cylinder 35 is provided to drive the connecting rod 31 to move up and down in the vertical direction, so as to complete the docking operation with the driving rod of the Christmas tree. In the embodiment of the present invention, the above-mentioned hydraulic cylinders 35 can be independent of each other, or can be synchronized with each other, and different connection methods can be selected according to different needs, and the connection methods and driving methods will not be repeated here.

As shown in Figure 7, the connecting rod 31 is provided with an external thread segment, one end of the driving ring 32 is provided with an internal thread segment matching with the external thread segment, the other end of the driving ring 32 is a conical segment, and the large diameter end of the conical segment faces The outer side of the drive ring 32.

When the drive ring 32 moves downward along the connecting rod 31, the above-mentioned conical section contacts the claw 33 and squeezes the claw to move toward the inside of the claw through hole. As the inner diameter of the cone section gradually decreases, the claw 33 enters the claw through hole The length becomes more and more until the tree driving rod is locked. The above-mentioned threaded section is arranged on the upper part of the conical section in Fig. 6 .

Specifically, a pull ring 34 is provided on the claw 33, and the pull ring 34 can pull the claw 33 out of the through hole of the claw. A pull ring groove for accommodating the pull ring 34 is provided in the claw 33 , and when the pull ring 34 is not in use, it can be accommodated in the pull ring groove, thereby avoiding interference with the driving ring 32 .

When the driving ring 32 moves upward and disengages from the claw 33 , the claw 33 can be pulled out through the pull ring 34 , so that the claw 33 is unlocked from the Christmas tree driving rod.

From the above description, it can be seen that the above-mentioned embodiments of the present invention have achieved the following technical effects:

The locking force on the Christmas tree can be increased by setting the push rod locking assembly and the claw connecting assembly, ensuring the hoisting stability during the hoisting process.

The embodiment of the present invention has simple structure, fast and convenient locking, stable and reliable lifting, can realize fast locking and stable lifting of the vertical tree, improves the operating efficiency, reduces the difficulty of operation, and has a great effect on reducing the cost and improving the safety performance meaning.

The above is only a specific embodiment of the present invention, and cannot limit the scope of the invention, so the replacement of its equivalent components, or the equivalent changes and modifications made according to the patent protection scope of the present invention, should still fall within the scope of this patent. category. In addition, the technical features and technical features, technical features and technical solutions, and technical solutions and technical solutions in the present invention can be used in free combination.

Claims (10)

1. A vertical christmas tree land lifting tool, characterized in that, the vertical christmas tree land lifting tool comprises: The body (10) is provided with an accommodating space for at least accommodating the upper end of the vertical oil tree, and the outer wall of the body (10) is provided with a radial through hole penetrating into the accommodating space; The push rod locking assembly (20) is arranged in the radial through hole and can slide toward the direction of the accommodation space, and the push rod locking assembly (20) has a locking position that is engaged with the vertical tree and retracted to an unlocked position within said radial through hole; The jaw connection assembly (30) is arranged on the body (10), and the jaw connection assembly can move along the axial direction of the body (10) and is clamped with the driving rod on the vertical tree. 2. The vertical Christmas tree onshore lifting tool according to claim 1, characterized in that, the body (10) is provided with a snap-fit limit hole communicating with the radial through hole, and the push rod locking assembly (20 )include: a push rod (21), arranged in the radial through hole and capable of sliding relative to the radial through hole; The elastic clamping limit component is fixed to the push rod (21) and can be clamped with the clamping limit hole, and the elastic clamping limit component can limit the sliding of the push rod (21) along the radial through hole . 3. The vertical X-mas tree land lifting tool according to claim 2, characterized in that a limit groove is arranged on the push rod (21), and the elastic clamping limit assembly includes a spring (22) and a steel ball ( 23), one end of the spring (22) is fixed in the limiting groove, the other end of the spring (22) is connected with the steel ball (23), and the steel ball (23) can be engaged with the limiting groove and the The limit hole is clamped. 4. The vertical Christmas tree onshore lifting tool according to claim 3, characterized in that, the body (10) also includes an unlocking bolt (11), which is arranged in the clamping limit hole, and the unlocking bolt (11) The steel ball (23) can be pushed out of the snap-fit limiting hole. 5. The vertical oil tree onshore lifting tool according to claim 3, characterized in that there are multiple push rod locking assemblies (20), and a plurality of push rod locking assemblies (20) are along the length of the main body (10). Uniformly distributed in the circumferential direction, one end of each push rod (21) is provided with a snap-in groove (211) for snap-fitting with the vertical tree. 6. The vertical Christmas tree land lifting tool according to claim 5, characterized in that, the push rod locking assembly (20) also includes a protective sleeve (24), and the protective sleeve (24) is sheathed on the push rod Outside the other end of (21), the inner diameter of the protective sleeve (24) is compatible with the outer diameter of the push rod (21), and the protective sleeve (24) is provided with a matching limit corresponding to the limiting groove. Bit hole. 7. The vertical Christmas tree onshore lifting tool according to any one of claims 1 to 6, wherein the jaw connection assembly (30) comprises: The connecting rod (31), the connecting rod (31) is a hollow rod-shaped structure, the connecting rod (31) is arranged on the body (10), and the connecting rod (31) is provided with claw through holes along the radial direction; The driving ring (32) is sleeved outside the connecting rod (31), and the driving ring (32) can move relative to the axial direction of the connecting rod (31); The claw (33) is arranged in the through hole of the claw, and the driving ring (32) can drive the claw (33) to lock inwardly along the through hole of the claw. 8. The vertical christmas tree land lifting tool according to claim 7, characterized in that, the connecting rod (31) is provided with an external thread segment, and one end of the drive ring (32) is provided with a The other end of the drive ring (32) is a cone segment, and the large-diameter end of the cone segment faces the outside of the drive ring (32). 9. The vertical christmas tree land lifting tool according to claim 7, characterized in that, the claw (33) is provided with a pull ring (34), and the pull ring (34) can move the claw (33) from the Pull it out through the through hole of the claw. 10. The vertical Christmas tree land lifting tool according to claim 7, characterized in that, the jaw connecting assembly (30) further comprises a hydraulic cylinder (35), and the connecting rod (31) and the hydraulic cylinder (35) connected, the hydraulic cylinder (35) can drive the connecting rod (31) to move up and down along the axial direction of the body (10).