CN219408947U - Crown block frame of petroleum drilling machine - Google Patents

Abstract

The utility model discloses a petroleum drilling rig overhead frame, which relates to the technical field of petroleum drilling and production and comprises a base, a placing frame arranged on the base, a pulley groove arranged on the placing frame, bearing seats arranged on two sides of the pulley groove, pulley assemblies connected to the bearing seats and a rope blocking mechanism, wherein the pulley grooves are formed in the placing frame; the rope blocking mechanism is positioned at two sides of the bearing seat and comprises supporting vertical plates which are oppositely arranged, adjusting rods which are respectively arranged on the two supporting vertical plates and a blocking rod which is connected to the two adjusting rods, and the length and the angle of the adjusting rods relative to the supporting vertical plates are adjustable. The utility model relates to a crane frame of an oil rig, which comprises a base, a placing frame and a rope blocking mechanism, wherein the rope blocking mechanism comprises a supporting vertical plate, an adjusting rod and a blocking rod, and the crane frame realizes the angle and the distance of approaching to steel wires by using the adjusting rod, so that each steel wire is in a limited range which can only accommodate a single steel wire in any condition, and the safety production is prevented from being damaged by the jump of the steel wire.

Description

Crown block frame of petroleum drilling machine

Technical Field

The utility model relates to the technical field of petroleum drilling and production, in particular to a petroleum drilling rig overhead frame.

Background

The crown block frame for the oil rig is a mechanism for installing crown block blocks and connecting the crown block blocks with the top of a derrick, most of traditional crown block frames are welded integrally, the crown block frame is large in integral size and not detachable, and the crown block blocks and the crown block frame are inconvenient to install and detach. The crown block pulley can loosen the connecting bolt after long-term work, and construction safety accidents are easy to be caused when the bolt loosens or a lifting rope on the crown block pulley is separated from a rope groove. Therefore, the daily maintenance key points include that the axle and the layer base of the crown block should be firmly fixed, and whether the steel wire rope jumps to the groove or not is checked.

Patent document 201820406163.3 discloses an oil rig crown block frame, and it is equipped with four articulated seats at the rack top, articulates on the articulated seat has the articulated pole, is connected with the horizontal pole and sets up the cylinder between two articulated pole tops on the shaft axial direction of crown block pulley, leaves the space between cylinder and the crown block pulley, when wire rope breaks away from the rope groove, the cylinder will contact with the crown block pulley of vibrations, plays the warning effect, and consequently the staff can in time shut down the restoration, has fine guard action. Although the frame is improved to a certain extent aiming at maintenance key points, the frame still has the defects. The crane frame mainly shows that the crane frame works in a noisy environment for a long time, so that the alarm is difficult to discover timely, and most of equipment is arranged on the derrick, so that the timely discovery and treatment are difficult to realize, and the alarm stopping mode is insufficient. In addition, the base and the placing frame of the overhead crane frame are fixed by bolts only, and are close to the pulley groove, the base and the placing frame are only supported, effective position limitation is not carried out, and the problem that the supporting end is pulled due to loosening of the bolts and the problem of large potential safety hazard exist.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide the petroleum drilling rig overhead frame which can effectively prevent the wire rope from jumping out and has high reliability.

The technical scheme adopted for solving the technical problems is as follows: the oil rig overhead traveling crane comprises a base, a placing frame arranged on the base, a pulley groove arranged on the placing frame, bearing seats arranged on two sides of the pulley groove, pulley assemblies connected to the bearing seats, and a rope blocking mechanism;

the rope blocking mechanism is positioned at two sides of the bearing seat and comprises supporting vertical plates which are oppositely arranged, adjusting rods which are respectively arranged on the two supporting vertical plates and a blocking rod which is connected to the two adjusting rods, and the length and the angle of the adjusting rods relative to the supporting vertical plates are adjustable.

Further, the adjusting rod comprises a first end and a second end, the first end is hinged to the supporting vertical plate, and a locking piece is arranged in the middle of the adjusting rod;

the support vertical plate is provided with an arc chute, the locking piece penetrates through the adjusting rod and the arc chute and is limited in the arc chute in a sliding mode, and the baffle rod is connected to the second end.

Further, the adjusting rod comprises a first end and a second end, and the first end and the middle part are respectively provided with a first locking piece and a second locking piece;

the support vertical plate is provided with a first chute and a second chute, the first locking piece penetrates through the adjusting rod and the first chute and is limited in the first chute in a sliding mode, the second locking piece penetrates through the adjusting rod and the second chute and is limited in the second chute in a sliding mode, and the baffle rod is connected to the second end.

Further, the adjusting rod is provided with a limiting hole along the length direction, and the first locking piece and the second locking piece are arranged in the limiting hole in a penetrating mode.

Further, the second sliding groove is arc-shaped.

Further, reinforcing ribs are arranged on the outer sides of the supporting vertical plates.

Further, the position of the arc chute on the supporting vertical plate is provided with angle scales.

Further, the upper end of the groove wall of the pulley groove is provided with a limiting groove, the end part of the placing frame is provided with a connecting end part, and the connecting end part is accommodated in the limiting groove.

Further, the limit groove is opened towards the direction deviating from the pulley groove.

The oil rig overhead frame comprises a base, a placing frame and a rope blocking mechanism, wherein the rope blocking mechanism comprises a supporting vertical plate, an adjusting rod and a blocking rod, and the angle and the distance of the overhead frame to be close to the steel wire ropes are realized by the aid of the adjusting rod, so that each steel wire rope is in a limited range capable of only accommodating a single steel wire rope under any condition, and the safety production is prevented from being damaged by the jumping of the steel wire ropes.

In addition, by utilizing the limiting groove, the problem that the connecting end part is pulled can be effectively prevented when the bolt is loosened, the potential safety hazard is avoided, the base and the placing frame are more efficiently fixed, and the safety is obviously improved.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic diagram of the structure of an oil rig overhead frame according to an embodiment of the present utility model;

fig. 2 is an enlarged view of a portion B of fig. 1;

FIG. 3 is a schematic view of a part of the structure of an oil rig overhead frame according to an embodiment of the utility model;

FIG. 4 is a schematic view of a part of the structure of an oil rig overhead frame according to an embodiment of the utility model;

fig. 5 is a side view of a part of the construction of an oil rig overhead frame according to an embodiment of the utility model.

Reference numerals illustrate:

1. a base; 11. a limit groove; 2. a placing rack; 21. a connecting end; 3. a bearing seat; 4. a pulley assembly; 5. a rope blocking mechanism; 51. a supporting vertical plate; 52. an adjusting rod; 53. a gear lever; 54. a first locking member; 55. a first chute; 56. a second chute; 57. a second locking member; 58. and a limiting hole.

Detailed Description

For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings.

As shown in fig. 1-5, the oil rig crane frame comprises a base 1, a placing frame 2 arranged on the base 1, a pulley groove arranged on the placing frame 2, bearing seats 3 arranged on two sides of the pulley groove, pulley assemblies 4 connected to the bearing seats 3, and a rope blocking mechanism 5;

the rope blocking mechanism 5 is located at two sides of the bearing seat 3, the rope blocking mechanism 5 comprises supporting vertical plates 51 which are oppositely arranged, adjusting rods 52 which are respectively arranged on the two supporting vertical plates 51, and a blocking rod 53 which is connected to the two adjusting rods 52, and the length and the angle of the adjusting rods 52 relative to the supporting vertical plates 51 are adjustable.

The oil rig overhead frame comprises a base 1, a placing frame 2 and a rope blocking mechanism 5, wherein the rope blocking mechanism 5 comprises a supporting vertical plate 51, an adjusting rod 52 and a blocking rod 53, and the overhead frame achieves the angle and the distance of approaching to the steel wire ropes by using the adjusting rod 52, so that each steel wire rope is in a limited range which can only accommodate a single steel wire rope under any condition, and the safety production is prevented from being damaged by the jump of the steel wire rope.

The adjusting lever 52 includes a first end and a second end, and a first locking member 54 and a second locking member 57 are respectively disposed at the first end and the middle part;

the supporting vertical plate 51 is provided with a first chute 55 and a second chute 56, the first locking member 54 passes through the adjusting rod 52 and the first chute 55 and is limited in the first chute 55 in a sliding manner, the second locking member 57 passes through the adjusting rod 52 and the second chute 56 and is limited in the second chute 56 in a sliding manner, and the baffle rod 53 is connected at the second end.

The adjusting lever 52 is provided with a limiting hole 58 along the length direction, and the first locking member 54 and the second locking member 57 are arranged in the limiting hole 58 in a penetrating manner. In this embodiment, the second chute 56 is arc-shaped. Of course, in other embodiments, the first chute 55 and the second chute 56 may be straight grooves, and they are parallel.

In other embodiments, the adjusting rod 52 includes a first end and a second end, the first end is hinged on the supporting vertical plate 51, and a locking member is disposed in the middle of the adjusting rod 52;

the supporting vertical plate 51 is provided with an arc chute, the locking member passes through the adjusting rod 52 and the arc chute and is limited in the arc chute in a sliding manner, and the baffle rod 53 is connected to the second end.

In order to effectively improve the strength of the supporting vertical plate 51, reinforcing ribs are arranged on the outer side of the supporting vertical plate 51; in order to coordinate the consistency of the adjustment lever 52, the position of the arc chute on the support vertical plate 51 is provided with an angle scale.

In this embodiment, the upper end of the groove wall of the pulley groove is provided with a limit groove 11, the end of the placement frame 2 is provided with a connection end 21, and the connection end 21 is accommodated in the limit groove 11. The limit groove 11 is opened toward the direction away from the pulley groove. The limit groove 11 is utilized, so that potential safety hazards can be effectively prevented from being generated when bolts are loosened, the base 1 and the placing frame 2 are more efficiently fixed, and the safety is obviously improved.

Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims (9)

1. The oil rig crown block comprises a base (1), a placing frame (2) arranged on the base (1), a pulley groove arranged on the placing frame (2), bearing blocks (3) arranged on two sides of the pulley groove and pulley assemblies (4) connected to the bearing blocks (3), and is characterized by further comprising a rope blocking mechanism (5);

the rope blocking mechanism (5) is located at two sides of the bearing seat (3), the rope blocking mechanism (5) comprises supporting vertical plates (51) which are oppositely arranged, adjusting rods (52) which are respectively arranged on the two supporting vertical plates (51) and blocking rods (53) which are connected to the two adjusting rods (52), and the length and the angle of the adjusting rods (52) are adjustable relative to the supporting vertical plates (51).

2. The oil rig crown block according to claim 1, wherein the adjusting lever (52) comprises a first end and a second end, the first end is hinged on the supporting vertical plate (51), and a locking member is arranged in the middle of the adjusting lever (52);

the supporting vertical plate (51) is provided with an arc chute, the locking piece penetrates through the adjusting rod (52) and the arc chute and is limited in the arc chute in a sliding mode, and the baffle rod (53) is connected to the second end.

3. The oil rig crown block of claim 1, wherein the adjustment lever (52) includes a first end and a second end, the first end and the middle portion being provided with a first locking member (54) and a second locking member (57), respectively;

the support vertical plate (51) is provided with a first sliding groove (55) and a second sliding groove (56), the first locking piece (54) penetrates through the adjusting rod (52) and the first sliding groove (55) and is limited in the first sliding groove (55) in a sliding mode, the second locking piece (57) penetrates through the adjusting rod (52) and the second sliding groove (56) and is limited in the second sliding groove (56) in a sliding mode, and the baffle rod (53) is connected to the second end.

4. The oil rig crown block according to claim 3, wherein the adjusting lever (52) is provided with a limiting hole (58) along a length direction, and the first locking member (54) and the second locking member (57) are inserted into the limiting hole (58).

5. A petroleum drilling rig crown block according to claim 3, characterized in that the second runner (56) is arc-shaped in shape.

6. Petroleum drilling rig crown block according to any one of claims 1-5, characterized in that the outer side of the supporting riser (51) is provided with reinforcing ribs.

7. The oil rig crown block according to claim 2 or 5, characterized in that the position of the arc chute on the support riser (51) is provided with an angle scale.

8. The oil rig crown block according to any one of claims 1-5, characterized in that the upper end of the pulley groove wall is provided with a limit groove (11), the end of the placement frame (2) is provided with a connecting end (21), and the connecting end (21) is accommodated in the limit groove (11).

9. The oil rig crown block according to claim 8, characterized in that the limit groove (11) opens in a direction facing away from the pulley groove.