CN217264385U - Hoisting and moving device for circular chain type blowout preventer - Google Patents

Abstract

The utility model belongs to the technical field of oil exploration equipment, especially, relate to a chain link formula preventer hoist and mount mobile device. The lifting mechanism comprises a rail, a traveling mechanism, a connecting main body, a chain wheel set, a lifting wheel assembly and a limiting mechanism, wherein the traveling mechanism is connected to the rail in a sliding manner, a traveling driving piece used for driving the traveling mechanism to reciprocate on the rail is installed on the traveling mechanism, the connecting main body is connected to the lower portion of the traveling mechanism, the chain wheel set is arranged in the connecting main body, the first end of the chain wheel set is connected with a lifting driving piece, the lifting wheel assembly is connected to the second end of the chain wheel set, the limiting mechanism is arranged in the connecting main body, and the execution end of the limiting mechanism is in linkage with the lifting wheel assembly. The utility model is used for solve hoist and mount in-process hanging wheel collision hoist and mount main part fragile whole hoist and mount mobile device's problem.

Description

A chain type blowout preventer hoisting mobile device

technical field

The utility model belongs to the technical field of petroleum exploration equipment, in particular to a chain-type blowout preventer hoisting mobile device.

Background technique

The chain type blowout preventer hoisting mobile device is the main equipment used by the oil drilling team when installing and dismantling the blowout preventer. With full hydraulic control, the lifting height can be designed according to user needs. It can be used for supporting large-scale drilling rig equipment. Its main function: move a single blowout preventer or a combined blowout preventer group for installation, which greatly facilitates the installation and disassembly of the blowout preventer.

At present, most of the domestic hoisting mobile devices use hydraulic cylinders as actuators. The lifting function of the blowout preventer is realized through the wire rope system between the cylinder head and the pulley block on the fixed body of the cylinder. The lifting height is limited, and the lifting height is generally less than 4.8 meters. In the process of hoisting and moving the hoisting chain of the traditional chain-type BOP hoisting mobile device, the hoisting wheel under the hoisting chain often hits the main body of the hoisting mobile device during the upward movement. The failure of the mobile device will also present a safety hazard in hoisting.

Utility model content

The technical problem to be solved by the embodiments of the present application is to overcome the deficiencies of the prior art and provide a chain-type BOP hoisting mobile device, which is used to solve the problem that the entire hoisting mobile device is easily damaged by the collision of the hoisting wheel with the hoisting body during the hoisting process.

The technical solutions for solving the above-mentioned technical problems in the embodiments of the present application are as follows: a chain-type blowout preventer hoisting mobile device, comprising: a rail;

a traveling mechanism, which is slidably connected to the track, and a traveling driving member for driving the traveling mechanism to reciprocate on the track is installed on the traveling mechanism;

the connecting body is connected below the walking mechanism;

a sprocket set, which is arranged in the connection main body, and a lifting driving member is connected to the first end of the sprocket set;

a hanging wheel assembly connected to the second end of the sprocket set;

The limiting mechanism is arranged in the connecting body, and the execution end of the limiting mechanism is linked with the hanging wheel assembly.

Compared with the prior art, the above technical solutions have the following beneficial effects:

The traveling mechanism slidably connected to the track is driven by the traveling driving element to drive the hanging wheel assembly and the lifting driving element mounted on the lower end to move. The limiting mechanism is located in the connecting main body and links the execution end with the hanging wheel assembly, thereby avoiding the hanging wheel assembly. The impact of the upward movement of the component beyond the limit on the connecting body and the entire hoisting mobile device.

Further, the sprocket set includes: a plurality of sprockets and a hanging chain arranged in a staggered manner and rotatably arranged in the connecting body, and the hanging chain is connected to the hanging wheel assembly around the sprocket in turn, and the lifting chain is connected to the hanging wheel assembly. The output end of the lift driving element is connected with a sprocket in a driving manner.

The staggered sprockets and the slings bypassing these sprockets are used to increase the contact surface between the sprockets and the slings, prevent the chain from falling off, and improve the stability and safety of the slings during the hoisting process.

Further, the limiting mechanism includes:

a touch valve, which is arranged in the connecting body and is used for linkage control of the lifting driver;

The suspension weight is suspended at a target position above the hanging wheel assembly, and is arranged in linkage with the execution end of the touch valve, and is used for triggering the touch valve when in contact with the hanging wheel assembly.

Using the linkage between the suspension block and the execution end of the touch valve, the suspension weight usually presses the touch valve. When the hanging wheel assembly located below moves up to lift the suspension weight, the touch valve is released to control the hoisting drive to stop. , to avoid the lifting wheel assembly moving up beyond the limit and hitting the connecting body.

Further, it also includes a swing rod in contact with the execution end of the touch valve, a first end of the swing rod is hinged, and a second end is connected with the suspension weight.

Further, it also includes a chain, the suspension block is provided with at least one hoisting ring, the chain passes through the hoisting ring, one end is connected to the second end of the swing rod, and the other end is connected to the connecting body.

The suspension weight and the pendulum rod are connected by a chain, and chains of different lengths can be selected to control the suspension weight to be at different heights, thereby adjusting the position of the limit.

Further, a chain bag is also included, which is suspended below the connecting body, and the excess chain is stored in the chain bag.

Further, the lifting drive is a brake hydraulic motor

Description of drawings

In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the specific embodiments or the prior art. Obviously, the following descriptions The accompanying drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic diagram of the overall structure of a specific embodiment of the present invention.

FIG. 2 is a schematic cross-sectional structure diagram of FIG. 1 .

FIG. 3 is an enlarged schematic diagram of the structure at A in FIG. 2 .

Reference number:

1. Track;

2. Walking mechanism; 3. Walking drive

4. Connect the main body;

5. Sprocket set;

51, sprocket; 52, hanging chain;

6. Lifting drive parts;

7. Hanging wheel assembly;

8. Limiting mechanism;

81, touch valve; 82, suspension weight; 83, pendulum rod; 84, lifting ring;

9. Chain bag.

Detailed ways

The embodiments of the technical solutions of the present utility model will be described in detail below with reference to the accompanying drawings. The following embodiments are only used to illustrate the technical solutions of the present invention more clearly, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention.

It should be noted that, unless otherwise specified, the technical or scientific terms used in the present application shall have the usual meanings understood by those skilled in the art to which the present invention belongs.

In the description of this application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc. refer to the orientation or position The relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it cannot be construed as a limitation of the present invention.

In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

In this application, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of the two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Example

As shown in Figures 1-3, a chain type blowout preventer hoisting mobile device provided by the embodiment of the present invention includes: a track 1, a traveling mechanism 2, a connecting body 4, a chain wheel 51 group 5, a hanging wheel Assembly 7 and limit mechanism 8.

The traveling mechanism 2 is slidably connected to the track 1. There are two traveling mechanisms 2. The lower load is evenly distributed on the traveling wheels of each traveling mechanism 2 to ensure reliable movement. A traveling driving member 3 that drives the traveling mechanism 2 to reciprocate on the track 1 , specifically, the traveling driving member 3 is a traveling motor.

The connecting body 4 is connected under the traveling mechanism 2 through a pin shaft, a set of sprockets 51 is arranged in the connecting body 4 , and a first end of the set of sprockets 51 is connected with a hoisting driving member 6 .

The hoisting wheel assembly 7 is connected to the second end of the set of sprockets 51 , and the hoisting drive member 6 drives the hoisting wheel assembly 7 to move through the set of sprockets 51 . 6 is the brake hydraulic motor. Through hydraulic control, hydraulic power is provided by the hydraulic station of the drilling rig. The hoisting motor has a braking function. The driving member 6 can be a hydraulic motor with radial braking, such as a Poclain hydraulic motor or the like.

The limiting mechanism 8 is arranged in the connecting body 4 , and the execution end of the limiting mechanism 8 is linked with the hanging wheel assembly 7 .

The traveling mechanism 2 slidably connected to the track 1 is driven by the traveling driving member 3 to drive the hanging wheel assembly 7 and the lifting driving member 6 mounted on the lower end to move. The assembly 7 is linked, thereby avoiding the impact of the lifting wheel assembly 7 moving up beyond the limit to the connecting body 4 and the entire hoisting mobile device.

Specifically, as shown in FIGS. 2 and 3 , the limiting mechanism 8 includes a touch valve 81 and a suspension weight 82 . The touch valve 81 is arranged in the connection body 4 and is used for linkage control of the lifting. For the driving member 6 , the on-off of the touch valve 81 is used to control the action or stop of the lifting driving member 6 .

A suspension block 82 is suspended at a target position above the hanging wheel assembly 7 and is linked with the execution end of the touch valve 81 to trigger the touch valve when in contact with the hanging wheel assembly 7 81.

The suspension weight 82 is linked with the execution end of the touch valve 81. Usually, the suspension weight 82 presses the touch valve 81. When the hanging wheel assembly 7 located below moves up to lift the suspension weight 82, the touch valve 81 is released. The hoisting drive member 6 is controlled to stop, preventing the suspending wheel assembly 7 from moving up beyond the limit and hitting the connecting body 4 .

In this embodiment, it also includes a swing rod 83 in contact with the execution end of the touch valve 81 , the first end of the swing rod 83 is hinged, and the second end is connected with the suspension weight 82 , and the swing rod 83 is pressed against the touch On the execution end of the touch valve 81, the touch valve 81 is in the disconnected state at this time, and the lifting driver 6 is controlled to act. The valve stem of the valve 81 goes up, the touch valve is closed, the oil inlet and oil return ports of the hydraulic circuit are connected, the oil supply to the motor is disconnected, and the lifting driving member 6 cannot move, which plays a limiting role.

Among them, it also includes a chain, which is not shown in the figure. The suspension block 82 is provided with at least one lifting ring 84, the chain passes through the lifting ring 84, and one end is connected to the second end of the swing rod 83, The other end is connected to the connection main body 4, the suspension weight 82 is suspended under the connection main body 4 through a chain, and the suspension weight 82 is located directly above the hanging wheel assembly 7, and the suspension weight 82 and the swing rod 83 are connected by the chain. In connection, chains of different lengths can be selected to control the suspension weights 82 to be at different heights, thereby adjusting the position of the limit.

The set 5 of the sprockets 51 includes: a plurality of sprockets 51 and a hanging chain 52 that are staggered and rotatably arranged in the connecting body 4 , and the hanging chain 52 bypasses the sprockets 51 and the hanging wheels in turn. The component 7 is connected, and the output end of the hoisting drive member 6 is connected with a sprocket 51. Specifically, the sprockets 51 are arranged in three and are arranged in the shape of a product, and the hanging chain 52 is wound around the three sprockets 51 in turn. On the top, it is fully in contact with the sprocket 51, and the staggered sprocket 51 and the chain 52 bypassing these sprockets 51 are used to increase the contact surface between the sprocket 51 and the chain 52, prevent the chain from falling off, and improve the chain 52 Stability and safety during hoisting.

In this embodiment, a chain bag 9 is further included, which is suspended below the connecting body 4 , and the excess chain 52 is stored in the chain bag 9 .

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, but not to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that : it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the various embodiments of the present utility model Scope of technical solutions.

Claims (7)

1. a chain type blowout preventer hoisting mobile device is characterized in that, comprising: track; a traveling mechanism, which is slidably connected to the track, and a traveling driving member for driving the traveling mechanism to reciprocate on the track is installed on the traveling mechanism; the connecting body is connected below the walking mechanism; a sprocket set, which is arranged in the connection main body, and a lifting driving member is connected to the first end of the sprocket set; a hanging wheel assembly connected to the second end of the sprocket set; The limiting mechanism is arranged in the connecting body, and the execution end of the limiting mechanism is linked with the hanging wheel assembly. 2 . The mobile device for hoisting a chain-type blowout preventer according to claim 1 , wherein the sprocket set comprises: a plurality of sprockets and suspending chains arranged in a staggered manner and rotatably arranged in the connecting main body, 2 . The hoisting chain is connected to the hoisting wheel assembly in turn by passing around the sprocket, and the output end of the hoisting driving element is drivingly connected to one of the sprockets. 3. The chain type blowout preventer hoisting mobile device according to claim 1, wherein the limiting mechanism comprises: a touch valve, which is arranged in the connecting body and is used for linkage control of the lifting driver; The suspension weight is suspended at a target position above the hanging wheel assembly, and is arranged in linkage with the execution end of the touch valve, and is used for triggering the touch valve when in contact with the hanging wheel assembly. 4 . The hoisting and moving device for a chain type blowout preventer according to claim 3 , further comprising a swing rod in contact with the execution end of the touch valve, the first end of the swing rod is hinged, and the second end is hinged. 5 . connected to the suspension block. 5. The mobile device for hoisting a chain-type blowout preventer according to claim 4, characterized in that it further comprises a chain, at least one hoisting ring is provided on the suspension weight, the chain passes through the hoisting ring, and one end is connected to the hoisting ring. The second end of the swing rod is connected, and the other end is connected to the connecting body. 6 . The hoisting and moving device of the endless chain type blowout preventer according to claim 2 , further comprising a chain bag, which is suspended below the connecting body, and the excess chain is stored in the chain bag. 7 . 7 . The hoisting and moving device for a chain-type blowout preventer according to claim 1 , wherein the hoisting driving member is a brake hydraulic motor. 8 .

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