CN2405000Y - Derrick for petroleum drilling preparing equipment - Google Patents

Abstract

The utility model relates to a derrick for oil drilling and preparing equipment. An upper, a middle and a lower derrick monomers of the derricks are sheathed together; the upper derrick monomer of the derrick is sheathed in the middle derrick monomer which is sheathed in the lower derrick monomer of the derrick; the utility model also comprises a derrick monomer carrying device, a derrick monomer telescoping device, an overhead crane assembly, a worktable with two layers, a lifting device, etc. The utility model realizes the telescoping, supporting and working requirements of the derrick monomers on site. The derrick using the structure has small integral movement length and can satisfy carrying requirements under the special road conditions of mountain roadways, hilly country roadways, village roadways, etc. with continuous road turns.

Description

Be used for the derrick that oil bores the equipment of repairing

The utility model relates to the derrick that a kind of oil bores the equipment of repairing, and is applicable to rig or workover rig in petroleum exploration and development drilling well or the workover treatment.

In known technology, a kind of derrick of rig or workover rig configuration by two joint derrick monomer suits, this derrick has upper and lower two joint derrick monomers, and the derrick upper body penetrates from the port of derrick lower body and is sleeved on together.Stand up mechanism by hydraulic pressure or machinery and realize erecting and falling of derrick, realize the derrick upper body from the stretching out and withdraw of derrick lower body by hydraulic pressure or mechanical-stretching mechanism, thus the movement and the work of realization derrick.When rig, workover rig operation, the derrick lower body to the supporting of derrick upper body be control one group of linkage, linkage and promote the carrying bearing pin and move into place by manpower pulling wire rope after, the derrick upper body is sitting on the bearing pin realizes.

Above-mentioned two joint sleeve type derricks, because the restriction of the requirement of derrick working depth and safe space height when being subjected to drilling well or workover treatment, derrick monomer length generally all surpasses 20 meters, behind the suit in the mountain region that continuous bend is arranged, hilly ground and village road can't transport at all, thereby expose the limitation of its use.Above-mentioned sleeve structure needs hoist engine and crane in level and vertical both direction reinforcing during suit, the derrick upper body of slinging slowly penetrates in the derrick lower body, owing to be subjected to the restriction in gap between derrick upper body and the derrick lower body, installation is difficult.The bogey of above-mentioned derrick monomer draws wire rope to realize the action of linkage by manpower, and labour intensity is big, complex structure, and the reliability that bearing pins puts in place is also relatively poor.

The purpose of this utility model is to provide a kind of derrick that oil bores the equipment of repairing that is used at above-mentioned deficiency, this derrick is sleeved on together by three joint derrick monomers, it satisfy drilling well, workover treatment to derrick working depth and safe space requirement for height in, because the minimizing of the length of derrick monomer, whole movement length reduces than two joint suit derricks behind the suit, can satisfy in the mountain region that continuous bend is arranged, the requirement of hilly ground and village road transport, and suit is easy, and is time saving and energy saving.

The scheme that the utility model is taked is: derrick adopts three joint derrick monomer suits, and the derrick monomer is respectively body and derrick lower body in derrick upper body, the derrick, and the derrick upper body is sleeved in the derrick in the body, and body is sleeved in the derrick lower body in the derrick.The erecting and falling and other structures of derrick can adopt the form of structure of known technology of flexible, the derrick monomer withdrawal back derrick integral body of derrick monomer.

As improvement to three joint suit derrick sleeve structures, the derrick monomer adopts open front form derrick, during suit in the derrick body put into the derrick lower body by the open front place level of derrick lower body, the open front place level of derrick upper body body in derrick is put into the derrick body, in derrick, be connected with at interval some positive stops on open front two heel posts of body and derrick lower body, body and the derrick upper body erects and outwards tumble along opening direction during operation in the restriction derrick.

As further improvement, draw wire rope to promote linkage manpower in the two joint suit derrick bogeys and change control cylinder promotion linkage into derrick monomer bogey structure.

For further reducing the whole movement length of derrick, the tops that the linkage and the cylinder of derrick upper body bogey is installed in its four carrying planes, bearing pin place.If this structure can be avoided linkage when being positioned at the bearing pin bottom, and the length in the body derrick retracting lower body reduces in the derrick because the installation site of linkage makes, thereby can further reduce the whole movement length of derrick.The installation site of body bogey is unrestricted in the derrick.

As further improvement to derrick monomer telescopicing performance, the upper port of body is respectively installed six leading blocks in derrick lower body and derrick, wherein, respectively install one on the angle of opening both sides, axis is vertically respectively installed a pair of mutually on two other angle, play guiding and centralizing function when four direction stretches to body in derrick upper body, the derrick all around like this, thereby reduce the frictional force between the derrick monomer when stretching.

As the further improvement to derrick monomer bogey, the connecting lever that promotes the carrying bearing pin in the linkage changes elongated hole with the hinge hole that carries bearing pin into by circular hole, thereby makes moving freely, flexibly of carrying bearing pin.

Above-mentioned three joint suit derricks have overcome the deficiency that prior art exists, promptly owing to adopt three joint nested form, the whole movement length of derrick is reduced greatly, satisfied in the mountain region that continuous bend is arranged, the transportation in the relatively poor areas of transportation road conditions such as hilly ground, village road, be specially adapted to the area of some oil gas fields such as China Shaanxi, Shanxi, Gansu, Sichuan, Guizhou and the exploitation of coal gas layer.Adopt the cantilever mast monomer along opening part suit successively, install easily, time saving and energy saving; Promote linkage by cylinder, simplify the structure, reduced labour intensity, strengthened safety; Linkage installation direction in the bogey of derrick upper body has further reduced the whole movement length of derrick; The leading block of body and derrick lower body port in the derrick to the flexible guiding and the centralizing function of having played of body in derrick upper body and the derrick, has reduced the frictional force between derrick monomer when flexible.

Below in conjunction with accompanying drawing the utility model is further described:

Fig. 1 three joint suit derrick overall structure front schematic view

Fig. 2 three joint suit derrick overall structure side schematic views

Fig. 3 three joint suit derrick sleeve structure schematic diagrames

Fig. 4 derrick upper body bogey structure elevation

Fig. 5 derrick upper body bogey structure side view

Fig. 6 derrick upper body, middle body bogey installation site figure

Fig. 7 leading block structure front schematic view

Fig. 8 leading block texture edge schematic diagram

Fig. 9 connecting lever hinge hole structure chart

Derrick as shown in Figure 1 and Figure 2 mainly is made up of body stretching device 7 in body bogey 5, derrick upper body stretching device 6, the derrick in body 2, derrick lower body 3, derrick upper body bogey 4, the derrick in derrick upper body 1, the derrick, overhead traveling crane assembly 8, two layers of workbench 9, boom hoisting 10 etc.Referring to Fig. 3, body 2 is put into by top by the open front level of derrick lower body 3 in the derrick, derrick upper body 1 is put into by top by the open front level of body in the derrick 2, in derrick, be interrupted on opening two heel posts of body 2, derrick lower body 3 and be connected with positive stop 23,24,33,34 etc., can prevent that derrick from erecting and during operation, body 2 is outwards tumbled along opening part in derrick upper body 1, the derrick.Other structures such as device, overhead traveling crane assembly 8, two layers of workbench 9, boom hoisting 10 that stand up of body stretching device 7, derrick integral body still adopt form of structure in the known technology in derrick upper body stretching device 6, the derrick.In the derrick in 5 pairs of derricks of body bogey the support of body promote one group of linkage, linkage by cylinder and promote in four carrying bearing pins, the derrick body and be sitting on four carrying bearing pins and realize.Referring to Fig. 4, start cylinder 51, eight arms 52 and change an angle counterclockwise, promoting bearing pins 53 is moved to the left, promote connecting rod 54 simultaneously, connecting rod 54 promotes eight arm 55, makes eight arm 55 around the fixed bearing angle that turns clockwise, thereby promoting bearing pins 56 moves right, referring to Fig. 5, connecting lever 52 ' be rigidly connected by bar 58 with connecting lever 52 promotes bearing pin 57 synchronously and moves right, in like manner, also has another bearing pin (not shown) with bearing pin 56 is moved to the left synchronously.Four bearing pins are distributed on four angles of derrick lower body bearing surface, realize the supporting to body in the derrick.After four carrying bearing pins move into place, with alignment pin 59 connecting lever 52 and derrick lower body 3 are connected together, realize the locking of whole linkage, avoid because cylinder misoperation etc. caused the support failure accidents.The derrick upper body bogey 4 that body 2 supports derrick upper bodies 1 in the derrick structurally with derrick in body bogey 5 identical.

Referring to Fig. 6, the top that the linkage and the cylinder 41 of derrick upper body bogey 4 is installed in its plane, bearing pins place, can avoid of the influence of the linkage of derrick upper body bogey 4 like this to the 2 derrick retracting lower bodies of body in the derrick, 3 strokes, make that body 2 is withdrawn in the derrick lower body 3 as far as possible in the derrick, thereby reduce the whole movement length of derrick.All can in the linkage of body bogey 5 and cylinder are installed in its bearing pins in the derrick bottom or top.

As the further improvement to the derrick telescopicing performance, 6 leading blocks have respectively been installed in body 2 and derrick lower body 3 upper surfaces in derrick, can be implemented in all around on the four direction flexible derrick monomer to be led and centralizing function.Referring to Fig. 7, Fig. 8, the upper surface of body 2 in the derrick, on two angles, opening both sides, respectively installed a pulley 25,25 ', on two other angle axis be 90 ° respectively install a pair of pulley 26,27 and 26 ', 27 ', left and right sides pulley 25,26 and 25 ', the vertical interval between 26 ' surface is slightly larger than the width of derrick upper body 1, the vertical interval that pulley 27,27 ' surface and positive stop are 23,24 is slightly larger than the thickness of derrick upper body 1.6 leading blocks are installed with spline structure in derrick lower body upper surface.Rely on this guiding of pulley and position-limiting action, can effectively control derrick gap between derrick monomer when flexible, reduce frictional force each other.

As further improvement, change promote the hinged pin-and-hole of eight arm of bearing pins and bearing pins as elongated hole into by original circular hole to derrick monomer load carrier.Referring to Fig. 9; connecting lever 55 changes elongated hole 551 with the hinge hole of bearing pin 56 into by original circular hole, makes the motion track of bearing pins 56 be essentially straight line, thus mobile flexibility and reliability; having overcome circular hole, to cause the bearing pins running orbit be a lonely line, and action has some setbacks, likes to hinder shortcoming.The hinge hole of other eight arm and bearing pins all changes elongated hole into.

Claims (6)

1, a kind ofly be used for the derrick that oil bores the equipment of repairing, mainly by the overhead traveling crane assembly, the derrick monomer, derrick monomer bogey, derrick monomer stretching device, the overhead traveling crane assembly, two layers of workbench, formations such as boom hoisting, it is characterized in that: described derrick amount of monomer is 3 joints, be respectively derrick upper body (1), body in the derrick (2), derrick lower body (3), derrick upper body (1) is sleeved in the body in the derrick (2), body in the derrick (2) is sleeved in the derrick lower body (3), described derrick monomer bogey comprises body bogey (5) in derrick upper body bogey (4) and the derrick, and described derrick monomer stretching device comprises body stretching device (7) in derrick upper body stretching device (6) and the derrick.

2, derrick as claimed in claim 1, it is characterized in that: described derrick monomer is a cantilever mast, its sleeve structure is: body in the derrick (2) is lain in a horizontal plane in the derrick lower body (3) by derrick lower body (3) open front, derrick upper body (1) is lain in a horizontal plane in the body in the derrick (2) by body in the derrick (2) open front, along the derrick length direction, in derrick lower body (3), be connected with some positive stops (23 on body in the derrick (2) open front two heel posts at interval, 24,33,34 ...), guarantee that derrick erects and during operation, derrick upper body (1), body in the derrick (2) can be by body in the derrick (2), the opening part of derrick lower body (3) is outwards tumbled.

3, derrick as claimed in claim 1, it is characterized in that: body bogey (5) promotes one group of linkage by gas control circuit control cylinder (51) in the derrick, linkage drives the supporting of bearing pin (53,56, the 57) realization of four carryings to body in the derrick, and the structural principle of derrick upper body bogey (4) is identical with body bogey (5) in the derrick.

4, derrick as claimed in claim 3 is characterized in that: the linkage of described derrick upper body bogey (4) is positioned at the top on its carrying plane, bearing pin place.

5, derrick as claimed in claim 1, it is characterized in that: a pulley (25,25 ') has respectively been installed in the upper surface of body in the described derrick (2) on two angles, opening both sides, axis is 90 ° a pair of pulley (26 respectively is installed on two other angle, 27 and 26 ', 27 '), the upper surface of derrick lower body (3) is equipped with 6 pulleys with the upper surface of body in the derrick (2) with spline structure.

6, derrick as claimed in claim 3 is characterized in that: connecting lever in the linkage (45) is an elongated hole with the hinge hole (451) of bearing pins.

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